MediaArtistNativeHelper.java revision ff90212a3c00e89b25399eb90cdce471cc8c8cc1
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.media.videoeditor;
18
19import java.io.File;
20import java.io.IOException;
21import java.math.BigDecimal;
22import java.nio.IntBuffer;
23import java.util.Iterator;
24import java.util.List;
25import java.util.concurrent.Semaphore;
26
27import android.graphics.Bitmap;
28import android.graphics.BitmapFactory;
29import android.graphics.Canvas;
30import android.graphics.Paint;
31import android.graphics.Rect;
32import android.media.videoeditor.VideoEditor.ExportProgressListener;
33import android.media.videoeditor.VideoEditor.PreviewProgressListener;
34import android.media.videoeditor.VideoEditor.MediaProcessingProgressListener;
35import android.util.Log;
36import android.util.Pair;
37import android.view.Surface;
38
39/**
40 *This class provide Native methods to be used by MediaArtist {@hide}
41 */
42class MediaArtistNativeHelper {
43    private static final String TAG = "MediaArtistNativeHelper";
44
45    static {
46        System.loadLibrary("videoeditor_jni");
47    }
48
49    private static final int MAX_THUMBNAIL_PERMITTED = 8;
50
51    public static final int TASK_LOADING_SETTINGS = 1;
52    public static final int TASK_ENCODING = 2;
53
54    /**
55     *  The resize paint
56     */
57    private static final Paint sResizePaint = new Paint(Paint.FILTER_BITMAP_FLAG);
58
59    private final VideoEditor mVideoEditor;
60    /*
61     *  Semaphore to control preview calls
62     */
63    private final Semaphore mLock;
64
65    private EditSettings mStoryBoardSettings;
66
67    private String mOutputFilename;
68
69    private PreviewClipProperties mClipProperties = null;
70
71    private EditSettings mPreviewEditSettings;
72
73    private AudioSettings mAudioSettings = null;
74
75    private AudioTrack mAudioTrack = null;
76
77    private boolean mInvalidatePreviewArray = true;
78
79    private boolean mRegenerateAudio = true;
80
81    private String mExportFilename = null;
82
83    private int mProgressToApp;
84
85    private String mRenderPreviewOverlayFile;
86    private int mRenderPreviewRenderingMode;
87
88    private boolean mIsFirstProgress;
89
90    private static final String AUDIO_TRACK_PCM_FILE = "AudioPcm.pcm";
91
92    // Processing indication
93    public static final int PROCESSING_NONE          = 0;
94    public static final int PROCESSING_AUDIO_PCM     = 1;
95    public static final int PROCESSING_TRANSITION    = 2;
96    public static final int PROCESSING_KENBURNS      = 3;
97    public static final int PROCESSING_INTERMEDIATE1 = 11;
98    public static final int PROCESSING_INTERMEDIATE2 = 12;
99    public static final int PROCESSING_INTERMEDIATE3 = 13;
100    public static final int PROCESSING_EXPORT        = 20;
101
102    private int mProcessingState;
103    private Object mProcessingObject;
104    private PreviewProgressListener mPreviewProgressListener;
105    private ExportProgressListener mExportProgressListener;
106    private ExtractAudioWaveformProgressListener mExtractAudioWaveformProgressListener;
107    private MediaProcessingProgressListener mMediaProcessingProgressListener;
108    private final String mProjectPath;
109
110    private long mPreviewProgress;
111
112    private String mAudioTrackPCMFilePath;
113
114    private int mTotalClips = 0;
115
116    private boolean mErrorFlagSet = false;
117
118    @SuppressWarnings("unused")
119    private int mManualEditContext;
120
121    /* Listeners */
122
123    /**
124     * Interface definition for a listener to be invoked when there is an update
125     * in a running task.
126     */
127    public interface OnProgressUpdateListener {
128        /**
129         * Called when there is an update.
130         *
131         * @param taskId id of the task reporting an update.
132         * @param progress progress of the task [0..100].
133         * @see BasicEdit#TASK_ENCODING
134         */
135        public void OnProgressUpdate(int taskId, int progress);
136    }
137
138    /** Defines the version. */
139    public final class Version {
140
141        /** Major version number */
142        public int major;
143
144        /** Minor version number */
145        public int minor;
146
147        /** Revision number */
148        public int revision;
149
150        /** VIDEOEDITOR major version number */
151        private static final int VIDEOEDITOR_MAJOR_VERSION = 0;
152
153        /** VIDEOEDITOR minor version number */
154        private static final int VIDEOEDITOR_MINOR_VERSION = 0;
155
156        /** VIDEOEDITOR revision number */
157        private static final int VIDEOEDITOR_REVISION_VERSION = 1;
158
159        /** Method which returns the current VIDEOEDITOR version */
160        public Version getVersion() {
161            Version version = new Version();
162
163            version.major = Version.VIDEOEDITOR_MAJOR_VERSION;
164            version.minor = Version.VIDEOEDITOR_MINOR_VERSION;
165            version.revision = Version.VIDEOEDITOR_REVISION_VERSION;
166
167            return version;
168        }
169    }
170
171    /**
172     * Defines output audio formats.
173     */
174    public final class AudioFormat {
175        /** No audio present in output clip. Used to generate video only clip */
176        public static final int NO_AUDIO = 0;
177
178        /** AMR Narrow Band. */
179        public static final int AMR_NB = 1;
180
181        /** Advanced Audio Coding (AAC). */
182        public static final int AAC = 2;
183
184        /** Advanced Audio Codec Plus (HE-AAC v1). */
185        public static final int AAC_PLUS = 3;
186
187        /** Advanced Audio Codec Plus (HE-AAC v2). */
188        public static final int ENHANCED_AAC_PLUS = 4;
189
190        /** MPEG layer 3 (MP3). */
191        public static final int MP3 = 5;
192
193        /** Enhanced Variable RateCodec (EVRC). */
194        public static final int EVRC = 6;
195
196        /** PCM (PCM). */
197        public static final int PCM = 7;
198
199        /** No transcoding. Output audio format is same as input audio format */
200        public static final int NULL_AUDIO = 254;
201
202        /** Unsupported audio format. */
203        public static final int UNSUPPORTED_AUDIO = 255;
204    }
205
206    /**
207     * Defines audio sampling frequencies.
208     */
209    public final class AudioSamplingFrequency {
210        /**
211         * Default sampling frequency. Uses the default frequency for a specific
212         * audio format. For AAC the only supported (and thus default) sampling
213         * frequency is 16 kHz. For this audio format the sampling frequency in
214         * the OutputParams.
215         **/
216        public static final int FREQ_DEFAULT = 0;
217
218        /** Audio sampling frequency of 8000 Hz. */
219        public static final int FREQ_8000 = 8000;
220
221        /** Audio sampling frequency of 11025 Hz. */
222        public static final int FREQ_11025 = 11025;
223
224        /** Audio sampling frequency of 12000 Hz. */
225        public static final int FREQ_12000 = 12000;
226
227        /** Audio sampling frequency of 16000 Hz. */
228        public static final int FREQ_16000 = 16000;
229
230        /** Audio sampling frequency of 22050 Hz. */
231        public static final int FREQ_22050 = 22050;
232
233        /** Audio sampling frequency of 24000 Hz. */
234        public static final int FREQ_24000 = 24000;
235
236        /** Audio sampling frequency of 32000 Hz. */
237        public static final int FREQ_32000 = 32000;
238
239        /** Audio sampling frequency of 44100 Hz. */
240        public static final int FREQ_44100 = 44100;
241
242        /** Audio sampling frequency of 48000 Hz. Not available for output file. */
243        public static final int FREQ_48000 = 48000;
244    }
245
246    /**
247     * Defines the supported fixed audio and video bitrates. These values are
248     * for output audio video only.
249     */
250    public final class Bitrate {
251        /** Variable bitrate. Means no bitrate regulation */
252        public static final int VARIABLE = -1;
253
254        /** An undefined bitrate. */
255        public static final int UNDEFINED = 0;
256
257        /** A bitrate of 9.2 kbits/s. */
258        public static final int BR_9_2_KBPS = 9200;
259
260        /** A bitrate of 12.2 kbits/s. */
261        public static final int BR_12_2_KBPS = 12200;
262
263        /** A bitrate of 16 kbits/s. */
264        public static final int BR_16_KBPS = 16000;
265
266        /** A bitrate of 24 kbits/s. */
267        public static final int BR_24_KBPS = 24000;
268
269        /** A bitrate of 32 kbits/s. */
270        public static final int BR_32_KBPS = 32000;
271
272        /** A bitrate of 48 kbits/s. */
273        public static final int BR_48_KBPS = 48000;
274
275        /** A bitrate of 64 kbits/s. */
276        public static final int BR_64_KBPS = 64000;
277
278        /** A bitrate of 96 kbits/s. */
279        public static final int BR_96_KBPS = 96000;
280
281        /** A bitrate of 128 kbits/s. */
282        public static final int BR_128_KBPS = 128000;
283
284        /** A bitrate of 192 kbits/s. */
285        public static final int BR_192_KBPS = 192000;
286
287        /** A bitrate of 256 kbits/s. */
288        public static final int BR_256_KBPS = 256000;
289
290        /** A bitrate of 288 kbits/s. */
291        public static final int BR_288_KBPS = 288000;
292
293        /** A bitrate of 384 kbits/s. */
294        public static final int BR_384_KBPS = 384000;
295
296        /** A bitrate of 512 kbits/s. */
297        public static final int BR_512_KBPS = 512000;
298
299        /** A bitrate of 800 kbits/s. */
300        public static final int BR_800_KBPS = 800000;
301
302        /** A bitrate of 2 Mbits/s. */
303        public static final int BR_2_MBPS = 2000000;
304
305        /** A bitrate of 5 Mbits/s. */
306        public static final int BR_5_MBPS = 5000000;
307
308        /** A bitrate of 8 Mbits/s. */
309        public static final int BR_8_MBPS = 8000000;
310    }
311
312    /**
313     * Defines all supported file types.
314     */
315    public final class FileType {
316        /** 3GPP file type. */
317        public static final int THREE_GPP = 0;
318
319        /** MP4 file type. */
320        public static final int MP4 = 1;
321
322        /** AMR file type. */
323        public static final int AMR = 2;
324
325        /** MP3 audio file type. */
326        public static final int MP3 = 3;
327
328        /** PCM audio file type. */
329        public static final int PCM = 4;
330
331        /** JPEG image file type. */
332        public static final int JPG = 5;
333
334        /** GIF image file type. */
335        public static final int GIF = 7;
336
337        /** PNG image file type. */
338        public static final int PNG = 8;
339
340        /** M4V file type. */
341        public static final int M4V = 10;
342
343        /** Unsupported file type. */
344        public static final int UNSUPPORTED = 255;
345    }
346
347    /**
348     * Defines rendering types. Rendering can only be applied to files
349     * containing video streams.
350     **/
351    public final class MediaRendering {
352        /**
353         * Resize to fit the output video with changing the aspect ratio if
354         * needed.
355         */
356        public static final int RESIZING = 0;
357
358        /**
359         * Crop the input video to fit it with the output video resolution.
360         **/
361        public static final int CROPPING = 1;
362
363        /**
364         * Resize to fit the output video resolution but maintain the aspect
365         * ratio. This framing type adds black borders if needed.
366         */
367        public static final int BLACK_BORDERS = 2;
368    }
369
370    /**
371     * Defines the results.
372     */
373    public final class Result {
374        /** No error. result OK */
375        public static final int NO_ERROR = 0;
376
377        /** File not found */
378        public static final int ERR_FILE_NOT_FOUND = 1;
379
380        /**
381         * In case of UTF8 conversion, the size of the converted path will be
382         * more than the corresponding allocated buffer.
383         */
384        public static final int ERR_BUFFER_OUT_TOO_SMALL = 2;
385
386        /** Invalid file type. */
387        public static final int ERR_INVALID_FILE_TYPE = 3;
388
389        /** Invalid effect kind. */
390        public static final int ERR_INVALID_EFFECT_KIND = 4;
391
392        /** Invalid video effect. */
393        public static final int ERR_INVALID_VIDEO_EFFECT_TYPE = 5;
394
395        /** Invalid audio effect. */
396        public static final int ERR_INVALID_AUDIO_EFFECT_TYPE = 6;
397
398        /** Invalid video transition. */
399        public static final int ERR_INVALID_VIDEO_TRANSITION_TYPE = 7;
400
401        /** Invalid audio transition. */
402        public static final int ERR_INVALID_AUDIO_TRANSITION_TYPE = 8;
403
404        /** Invalid encoding frame rate. */
405        public static final int ERR_INVALID_VIDEO_ENCODING_FRAME_RATE = 9;
406
407        /** External effect is called but this function is not set. */
408        public static final int ERR_EXTERNAL_EFFECT_NULL = 10;
409
410        /** External transition is called but this function is not set. */
411        public static final int ERR_EXTERNAL_TRANSITION_NULL = 11;
412
413        /** Begin time cut is larger than the video clip duration. */
414        public static final int ERR_BEGIN_CUT_LARGER_THAN_DURATION = 12;
415
416        /** Begin cut time is larger or equal than end cut. */
417        public static final int ERR_BEGIN_CUT_LARGER_THAN_END_CUT = 13;
418
419        /** Two consecutive transitions are overlapping on one clip. */
420        public static final int ERR_OVERLAPPING_TRANSITIONS = 14;
421
422        /** Internal error, type size mismatch. */
423        public static final int ERR_ANALYSIS_DATA_SIZE_TOO_SMALL = 15;
424
425        /** An input 3GPP file is invalid/corrupted. */
426        public static final int ERR_INVALID_3GPP_FILE = 16;
427
428        /** A file contains an unsupported video format. */
429        public static final int ERR_UNSUPPORTED_INPUT_VIDEO_FORMAT = 17;
430
431        /** A file contains an unsupported audio format. */
432        public static final int ERR_UNSUPPORTED_INPUT_AUDIO_FORMAT = 18;
433
434        /** A file format is not supported. */
435        public static final int ERR_AMR_EDITING_UNSUPPORTED = 19;
436
437        /** An input clip has an unexpectedly large Video AU. */
438        public static final int ERR_INPUT_VIDEO_AU_TOO_LARGE = 20;
439
440        /** An input clip has an unexpectedly large Audio AU. */
441        public static final int ERR_INPUT_AUDIO_AU_TOO_LARGE = 21;
442
443        /** An input clip has a corrupted Audio AU. */
444        public static final int ERR_INPUT_AUDIO_CORRUPTED_AU = 22;
445
446        /** The video encoder encountered an Access Unit error. */
447        public static final int ERR_ENCODER_ACCES_UNIT_ERROR = 23;
448
449        /** Unsupported video format for Video Editing. */
450        public static final int ERR_EDITING_UNSUPPORTED_VIDEO_FORMAT = 24;
451
452        /** Unsupported H263 profile for Video Editing. */
453        public static final int ERR_EDITING_UNSUPPORTED_H263_PROFILE = 25;
454
455        /** Unsupported MPEG-4 profile for Video Editing. */
456        public static final int ERR_EDITING_UNSUPPORTED_MPEG4_PROFILE = 26;
457
458        /** Unsupported MPEG-4 RVLC tool for Video Editing. */
459        public static final int ERR_EDITING_UNSUPPORTED_MPEG4_RVLC = 27;
460
461        /** Unsupported audio format for Video Editing. */
462        public static final int ERR_EDITING_UNSUPPORTED_AUDIO_FORMAT = 28;
463
464        /** File contains no supported stream. */
465        public static final int ERR_EDITING_NO_SUPPORTED_STREAM_IN_FILE = 29;
466
467        /** File contains no video stream or an unsupported video stream. */
468        public static final int ERR_EDITING_NO_SUPPORTED_VIDEO_STREAM_IN_FILE = 30;
469
470        /** Internal error, clip analysis version mismatch. */
471        public static final int ERR_INVALID_CLIP_ANALYSIS_VERSION = 31;
472
473        /**
474         * At least one of the clip analysis has been generated on another
475         * platform (WIN32, ARM, etc.).
476         */
477        public static final int ERR_INVALID_CLIP_ANALYSIS_PLATFORM = 32;
478
479        /** Clips don't have the same video format (H263 or MPEG4). */
480        public static final int ERR_INCOMPATIBLE_VIDEO_FORMAT = 33;
481
482        /** Clips don't have the same frame size. */
483        public static final int ERR_INCOMPATIBLE_VIDEO_FRAME_SIZE = 34;
484
485        /** Clips don't have the same MPEG-4 time scale. */
486        public static final int ERR_INCOMPATIBLE_VIDEO_TIME_SCALE = 35;
487
488        /** Clips don't have the same use of MPEG-4 data partitioning. */
489        public static final int ERR_INCOMPATIBLE_VIDEO_DATA_PARTITIONING = 36;
490
491        /** MP3 clips can't be assembled. */
492        public static final int ERR_UNSUPPORTED_MP3_ASSEMBLY = 37;
493
494        /**
495         * The input 3GPP file does not contain any supported audio or video
496         * track.
497         */
498        public static final int ERR_NO_SUPPORTED_STREAM_IN_FILE = 38;
499
500        /**
501         * The Volume of the added audio track (AddVolume) must be strictly
502         * superior than zero.
503         */
504        public static final int ERR_ADDVOLUME_EQUALS_ZERO = 39;
505
506        /**
507         * The time at which an audio track is added can't be higher than the
508         * input video track duration..
509         */
510        public static final int ERR_ADDCTS_HIGHER_THAN_VIDEO_DURATION = 40;
511
512        /** The audio track file format setting is undefined. */
513        public static final int ERR_UNDEFINED_AUDIO_TRACK_FILE_FORMAT = 41;
514
515        /** The added audio track stream has an unsupported format. */
516        public static final int ERR_UNSUPPORTED_ADDED_AUDIO_STREAM = 42;
517
518        /** The audio mixing feature doesn't support the audio track type. */
519        public static final int ERR_AUDIO_MIXING_UNSUPPORTED = 43;
520
521        /** The audio mixing feature doesn't support MP3 audio tracks. */
522        public static final int ERR_AUDIO_MIXING_MP3_UNSUPPORTED = 44;
523
524        /**
525         * An added audio track limits the available features: uiAddCts must be
526         * 0 and bRemoveOriginal must be true.
527         */
528        public static final int ERR_FEATURE_UNSUPPORTED_WITH_AUDIO_TRACK = 45;
529
530        /**
531         * An added audio track limits the available features: uiAddCts must be
532         * 0 and bRemoveOriginal must be true.
533         */
534        public static final int ERR_FEATURE_UNSUPPORTED_WITH_AAC = 46;
535
536        /** Input audio track is not of a type that can be mixed with output. */
537        public static final int ERR_AUDIO_CANNOT_BE_MIXED = 47;
538
539        /** Input audio track is not AMR-NB, so it can't be mixed with output. */
540        public static final int ERR_ONLY_AMRNB_INPUT_CAN_BE_MIXED = 48;
541
542        /**
543         * An added EVRC audio track limit the available features: uiAddCts must
544         * be 0 and bRemoveOriginal must be true.
545         */
546        public static final int ERR_FEATURE_UNSUPPORTED_WITH_EVRC = 49;
547
548        /** H263 profiles other than 0 are not supported. */
549        public static final int ERR_H263_PROFILE_NOT_SUPPORTED = 51;
550
551        /** File contains no video stream or an unsupported video stream. */
552        public static final int ERR_NO_SUPPORTED_VIDEO_STREAM_IN_FILE = 52;
553
554        /** Transcoding of the input file(s) is necessary. */
555        public static final int WAR_TRANSCODING_NECESSARY = 53;
556
557        /**
558         * The size of the output file will exceed the maximum configured value.
559         */
560        public static final int WAR_MAX_OUTPUT_SIZE_EXCEEDED = 54;
561
562        /** The time scale is too big. */
563        public static final int WAR_TIMESCALE_TOO_BIG = 55;
564
565        /** The year is out of range */
566        public static final int ERR_CLOCK_BAD_REF_YEAR = 56;
567
568        /** The directory could not be opened */
569        public static final int ERR_DIR_OPEN_FAILED = 57;
570
571        /** The directory could not be read */
572        public static final int ERR_DIR_READ_FAILED = 58;
573
574        /** There are no more entries in the current directory */
575        public static final int ERR_DIR_NO_MORE_ENTRY = 59;
576
577        /** The input parameter/s has error */
578        public static final int ERR_PARAMETER = 60;
579
580        /** There is a state machine error */
581        public static final int ERR_STATE = 61;
582
583        /** Memory allocation failed */
584        public static final int ERR_ALLOC = 62;
585
586        /** Context is invalid */
587        public static final int ERR_BAD_CONTEXT = 63;
588
589        /** Context creation failed */
590        public static final int ERR_CONTEXT_FAILED = 64;
591
592        /** Invalid stream ID */
593        public static final int ERR_BAD_STREAM_ID = 65;
594
595        /** Invalid option ID */
596        public static final int ERR_BAD_OPTION_ID = 66;
597
598        /** The option is write only */
599        public static final int ERR_WRITE_ONLY = 67;
600
601        /** The option is read only */
602        public static final int ERR_READ_ONLY = 68;
603
604        /** The feature is not implemented in this version */
605        public static final int ERR_NOT_IMPLEMENTED = 69;
606
607        /** The media type is not supported */
608        public static final int ERR_UNSUPPORTED_MEDIA_TYPE = 70;
609
610        /** No data to be encoded */
611        public static final int WAR_NO_DATA_YET = 71;
612
613        /** No data to be decoded */
614        public static final int WAR_NO_MORE_STREAM = 72;
615
616        /** Time stamp is invalid */
617        public static final int WAR_INVALID_TIME = 73;
618
619        /** No more data to be decoded */
620        public static final int WAR_NO_MORE_AU = 74;
621
622        /** Semaphore timed out */
623        public static final int WAR_TIME_OUT = 75;
624
625        /** Memory buffer is full */
626        public static final int WAR_BUFFER_FULL = 76;
627
628        /** Server has asked for redirection */
629        public static final int WAR_REDIRECT = 77;
630
631        /** Too many streams in input */
632        public static final int WAR_TOO_MUCH_STREAMS = 78;
633
634        /** The file cannot be opened/ written into as it is locked */
635        public static final int ERR_FILE_LOCKED = 79;
636
637        /** The file access mode is invalid */
638        public static final int ERR_FILE_BAD_MODE_ACCESS = 80;
639
640        /** The file pointer points to an invalid location */
641        public static final int ERR_FILE_INVALID_POSITION = 81;
642
643        /** Invalid string */
644        public static final int ERR_STR_BAD_STRING = 94;
645
646        /** The input string cannot be converted */
647        public static final int ERR_STR_CONV_FAILED = 95;
648
649        /** The string size is too large */
650        public static final int ERR_STR_OVERFLOW = 96;
651
652        /** Bad string arguments */
653        public static final int ERR_STR_BAD_ARGS = 97;
654
655        /** The string value is larger than maximum size allowed */
656        public static final int WAR_STR_OVERFLOW = 98;
657
658        /** The string value is not present in this comparison operation */
659        public static final int WAR_STR_NOT_FOUND = 99;
660
661        /** The thread is not started */
662        public static final int ERR_THREAD_NOT_STARTED = 100;
663
664        /** Trancoding done warning */
665        public static final int WAR_TRANSCODING_DONE = 101;
666
667        /** Unsupported mediatype */
668        public static final int WAR_MEDIATYPE_NOT_SUPPORTED = 102;
669
670        /** Input file contains invalid/unsupported streams */
671        public static final int ERR_INPUT_FILE_CONTAINS_NO_SUPPORTED_STREAM = 103;
672
673        /** Invalid input file */
674        public static final int ERR_INVALID_INPUT_FILE = 104;
675
676        /** Invalid output video format */
677        public static final int ERR_UNDEFINED_OUTPUT_VIDEO_FORMAT = 105;
678
679        /** Invalid output video frame size */
680        public static final int ERR_UNDEFINED_OUTPUT_VIDEO_FRAME_SIZE = 106;
681
682        /** Invalid output video frame rate */
683        public static final int ERR_UNDEFINED_OUTPUT_VIDEO_FRAME_RATE = 107;
684
685        /** Invalid output audio format */
686        public static final int ERR_UNDEFINED_OUTPUT_AUDIO_FORMAT = 108;
687
688        /** Invalid video frame size for H.263 */
689        public static final int ERR_INVALID_VIDEO_FRAME_SIZE_FOR_H263 = 109;
690
691        /** Invalid video frame rate for H.263 */
692        public static final int ERR_INVALID_VIDEO_FRAME_RATE_FOR_H263 = 110;
693
694        /** invalid playback duration */
695        public static final int ERR_DURATION_IS_NULL = 111;
696
697        /** Invalid H.263 profile in file */
698        public static final int ERR_H263_FORBIDDEN_IN_MP4_FILE = 112;
699
700        /** Invalid AAC sampling frequency */
701        public static final int ERR_INVALID_AAC_SAMPLING_FREQUENCY = 113;
702
703        /** Audio conversion failure */
704        public static final int ERR_AUDIO_CONVERSION_FAILED = 114;
705
706        /** Invalid trim start and end times */
707        public static final int ERR_BEGIN_CUT_EQUALS_END_CUT = 115;
708
709        /** End time smaller than start time for trim */
710        public static final int ERR_END_CUT_SMALLER_THAN_BEGIN_CUT = 116;
711
712        /** Output file size is small */
713        public static final int ERR_MAXFILESIZE_TOO_SMALL = 117;
714
715        /** Output video bitrate is too low */
716        public static final int ERR_VIDEOBITRATE_TOO_LOW = 118;
717
718        /** Output audio bitrate is too low */
719        public static final int ERR_AUDIOBITRATE_TOO_LOW = 119;
720
721        /** Output video bitrate is too high */
722        public static final int ERR_VIDEOBITRATE_TOO_HIGH = 120;
723
724        /** Output audio bitrate is too high */
725        public static final int ERR_AUDIOBITRATE_TOO_HIGH = 121;
726
727        /** Output file size is too small */
728        public static final int ERR_OUTPUT_FILE_SIZE_TOO_SMALL = 122;
729
730        /** Unknown stream type */
731        public static final int ERR_READER_UNKNOWN_STREAM_TYPE = 123;
732
733        /** Invalid metadata in input stream */
734        public static final int WAR_READER_NO_METADATA = 124;
735
736        /** Invalid file reader info warning */
737        public static final int WAR_READER_INFORMATION_NOT_PRESENT = 125;
738
739        /** Warning to indicate the the writer is being stopped */
740        public static final int WAR_WRITER_STOP_REQ = 131;
741
742        /** Video decoder failed to provide frame for transcoding */
743        public static final int WAR_VIDEORENDERER_NO_NEW_FRAME = 132;
744
745        /** Video deblocking filter is not implemented */
746        public static final int WAR_DEBLOCKING_FILTER_NOT_IMPLEMENTED = 133;
747
748        /** H.263 decoder profile not supported */
749        public static final int ERR_DECODER_H263_PROFILE_NOT_SUPPORTED = 134;
750
751        /** The input file contains unsupported H.263 profile */
752        public static final int ERR_DECODER_H263_NOT_BASELINE = 135;
753
754        /** There is no more space to store the output file */
755        public static final int ERR_NOMORE_SPACE_FOR_FILE = 136;
756
757        /** Internal error. */
758        public static final int ERR_INTERNAL = 255;
759    }
760
761    /**
762     * Defines output video formats.
763     */
764    public final class VideoFormat {
765        /** No video present in output clip. Used to generate audio only clip */
766        public static final int NO_VIDEO = 0;
767
768        /** H263 baseline format. */
769        public static final int H263 = 1;
770
771        /** MPEG4 video Simple Profile format. */
772        public static final int MPEG4 = 2;
773
774        /** MPEG4 video Simple Profile format with support for EMP. */
775        public static final int MPEG4_EMP = 3;
776
777        /** H264 video */
778        public static final int H264 = 4;
779
780        /** No transcoding. Output video format is same as input video format */
781        public static final int NULL_VIDEO = 254;
782
783        /** Unsupported video format. */
784        public static final int UNSUPPORTED = 255;
785    }
786
787    /** Defines video profiles and levels. */
788    public final class VideoProfile {
789        /** H263, Profile 0, Level 10. */
790        public static final int H263_PROFILE_0_LEVEL_10 = MediaProperties.H263_PROFILE_0_LEVEL_10;
791
792        /** H263, Profile 0, Level 20. */
793        public static final int H263_PROFILE_0_LEVEL_20 = MediaProperties.H263_PROFILE_0_LEVEL_20;
794
795        /** H263, Profile 0, Level 30. */
796        public static final int H263_PROFILE_0_LEVEL_30 = MediaProperties.H263_PROFILE_0_LEVEL_30;
797
798        /** H263, Profile 0, Level 40. */
799        public static final int H263_PROFILE_0_LEVEL_40 = MediaProperties.H263_PROFILE_0_LEVEL_40;
800
801        /** H263, Profile 0, Level 45. */
802        public static final int H263_PROFILE_0_LEVEL_45 = MediaProperties.H263_PROFILE_0_LEVEL_45;
803
804        /** MPEG4, Simple Profile, Level 0. */
805        public static final int MPEG4_SP_LEVEL_0 = MediaProperties.MPEG4_SP_LEVEL_0;
806
807        /** MPEG4, Simple Profile, Level 0B. */
808        public static final int MPEG4_SP_LEVEL_0B = MediaProperties.MPEG4_SP_LEVEL_0B;
809
810        /** MPEG4, Simple Profile, Level 1. */
811        public static final int MPEG4_SP_LEVEL_1 = MediaProperties.MPEG4_SP_LEVEL_1;
812
813        /** MPEG4, Simple Profile, Level 2. */
814        public static final int MPEG4_SP_LEVEL_2 = MediaProperties.MPEG4_SP_LEVEL_2;
815
816        /** MPEG4, Simple Profile, Level 3. */
817        public static final int MPEG4_SP_LEVEL_3 = MediaProperties.MPEG4_SP_LEVEL_3;
818
819        /** MPEG4, Simple Profile, Level 4A. */
820        public static final int MPEG4_SP_LEVEL_4A = MediaProperties.MPEG4_SP_LEVEL_4A;
821
822        /** MPEG4, Simple Profile, Level 0. */
823        public static final int MPEG4_SP_LEVEL_5 = MediaProperties.MPEG4_SP_LEVEL_5;
824
825        /** H264, Profile 0, Level 1. */
826        public static final int H264_PROFILE_0_LEVEL_1 = MediaProperties.H264_PROFILE_0_LEVEL_1;
827
828        /** H264, Profile 0, Level 1b. */
829        public static final int H264_PROFILE_0_LEVEL_1b = MediaProperties.H264_PROFILE_0_LEVEL_1B;
830
831        /** H264, Profile 0, Level 1.1 */
832        public static final int H264_PROFILE_0_LEVEL_1_1 = MediaProperties.H264_PROFILE_0_LEVEL_1_1;
833
834        /** H264, Profile 0, Level 1.2 */
835        public static final int H264_PROFILE_0_LEVEL_1_2 = MediaProperties.H264_PROFILE_0_LEVEL_1_2;
836
837        /** H264, Profile 0, Level 1.3 */
838        public static final int H264_PROFILE_0_LEVEL_1_3 = MediaProperties.H264_PROFILE_0_LEVEL_1_3;
839
840        /** H264, Profile 0, Level 2. */
841        public static final int H264_PROFILE_0_LEVEL_2 = MediaProperties.H264_PROFILE_0_LEVEL_2;
842
843        /** H264, Profile 0, Level 2.1 */
844        public static final int H264_PROFILE_0_LEVEL_2_1 = MediaProperties.H264_PROFILE_0_LEVEL_2_1;
845
846        /** H264, Profile 0, Level 2.2 */
847        public static final int H264_PROFILE_0_LEVEL_2_2 = MediaProperties.H264_PROFILE_0_LEVEL_2_2;
848
849        /** H264, Profile 0, Level 3. */
850        public static final int H264_PROFILE_0_LEVEL_3 = MediaProperties.H264_PROFILE_0_LEVEL_3;
851
852        /** H264, Profile 0, Level 3.1 */
853        public static final int H264_PROFILE_0_LEVEL_3_1 = MediaProperties.H264_PROFILE_0_LEVEL_3_1;
854
855        /** H264, Profile 0, Level 3.2 */
856        public static final int H264_PROFILE_0_LEVEL_3_2 = MediaProperties.H264_PROFILE_0_LEVEL_3_2;
857
858        /** H264, Profile 0, Level 4. */
859        public static final int H264_PROFILE_0_LEVEL_4 = MediaProperties.H264_PROFILE_0_LEVEL_4;
860
861        /** H264, Profile 0, Level 4.1 */
862        public static final int H264_PROFILE_0_LEVEL_4_1 = MediaProperties.H264_PROFILE_0_LEVEL_4_1;
863
864        /** H264, Profile 0, Level 4.2 */
865        public static final int H264_PROFILE_0_LEVEL_4_2 = MediaProperties.H264_PROFILE_0_LEVEL_4_2;
866
867        /** H264, Profile 0, Level 5. */
868        public static final int H264_PROFILE_0_LEVEL_5 = MediaProperties.H264_PROFILE_0_LEVEL_5;
869
870        /** H264, Profile 0, Level 5.1 */
871        public static final int H264_PROFILE_0_LEVEL_5_1 = MediaProperties.H264_PROFILE_0_LEVEL_5_1;
872
873        /** Profile out of range. */
874        public static final int OUT_OF_RANGE = MediaProperties.UNSUPPORTED_PROFILE_LEVEL;
875    }
876
877    /** Defines video frame sizes. */
878    public final class VideoFrameSize {
879
880        public static final int SIZE_UNDEFINED = -1;
881
882        /** SQCIF 128 x 96 pixels. */
883        public static final int SQCIF = 0;
884
885        /** QQVGA 160 x 120 pixels. */
886        public static final int QQVGA = 1;
887
888        /** QCIF 176 x 144 pixels. */
889        public static final int QCIF = 2;
890
891        /** QVGA 320 x 240 pixels. */
892        public static final int QVGA = 3;
893
894        /** CIF 352 x 288 pixels. */
895        public static final int CIF = 4;
896
897        /** VGA 640 x 480 pixels. */
898        public static final int VGA = 5;
899
900        /** WVGA 800 X 480 pixels */
901        public static final int WVGA = 6;
902
903        /** NTSC 720 X 480 pixels */
904        public static final int NTSC = 7;
905
906        /** 640 x 360 */
907        public static final int nHD = 8;
908
909        /** 854 x 480 */
910        public static final int WVGA16x9 = 9;
911
912        /** 720p 1280 X 720 */
913        public static final int V720p = 10;
914
915        /** 1080 x 720 */
916        public static final int W720p = 11;
917
918        /** 1080 960 x 720 */
919        public static final int S720p = 12;
920    }
921
922    /**
923     * Defines output video frame rates.
924     */
925    public final class VideoFrameRate {
926        /** Frame rate of 5 frames per second. */
927        public static final int FR_5_FPS = 0;
928
929        /** Frame rate of 7.5 frames per second. */
930        public static final int FR_7_5_FPS = 1;
931
932        /** Frame rate of 10 frames per second. */
933        public static final int FR_10_FPS = 2;
934
935        /** Frame rate of 12.5 frames per second. */
936        public static final int FR_12_5_FPS = 3;
937
938        /** Frame rate of 15 frames per second. */
939        public static final int FR_15_FPS = 4;
940
941        /** Frame rate of 20 frames per second. */
942        public static final int FR_20_FPS = 5;
943
944        /** Frame rate of 25 frames per second. */
945        public static final int FR_25_FPS = 6;
946
947        /** Frame rate of 30 frames per second. */
948        public static final int FR_30_FPS = 7;
949    }
950
951    /**
952     * Defines Video Effect Types.
953     */
954    public static class VideoEffect {
955
956        public static final int NONE = 0;
957
958        public static final int FADE_FROM_BLACK = 8;
959
960        public static final int FADE_TO_BLACK = 16;
961
962        public static final int EXTERNAL = 256;
963
964        public static final int BLACK_AND_WHITE = 257;
965
966        public static final int PINK = 258;
967
968        public static final int GREEN = 259;
969
970        public static final int SEPIA = 260;
971
972        public static final int NEGATIVE = 261;
973
974        public static final int FRAMING = 262;
975
976        public static final int TEXT = 263;
977
978        public static final int ZOOM_IN = 264;
979
980        public static final int ZOOM_OUT = 265;
981
982        public static final int FIFTIES = 266;
983
984        public static final int COLORRGB16 = 267;
985
986        public static final int GRADIENT = 268;
987    }
988
989    /**
990     * Defines the video transitions.
991     */
992    public static class VideoTransition {
993        /** No transition */
994        public static final int NONE = 0;
995
996        /** Cross fade transition */
997        public static final int CROSS_FADE = 1;
998
999        /** External transition. Currently not available. */
1000        public static final int EXTERNAL = 256;
1001
1002        /** AlphaMagic transition. */
1003        public static final int ALPHA_MAGIC = 257;
1004
1005        /** Slide transition. */
1006        public static final int SLIDE_TRANSITION = 258;
1007
1008        /** Fade to black transition. */
1009        public static final int FADE_BLACK = 259;
1010    }
1011
1012    /**
1013     * Defines settings for the AlphaMagic transition
1014     */
1015    public static class AlphaMagicSettings {
1016        /** Name of the alpha file (JPEG file). */
1017        public String file;
1018
1019        /** Blending percentage [0..100] 0 = no blending. */
1020        public int blendingPercent;
1021
1022        /** Invert the default rotation direction of the AlphaMagic effect. */
1023        public boolean invertRotation;
1024
1025        public int rgbWidth;
1026        public int rgbHeight;
1027    }
1028
1029    /** Defines the direction of the Slide transition. */
1030    public static final class SlideDirection {
1031
1032        /** Right out left in. */
1033        public static final int RIGHT_OUT_LEFT_IN = 0;
1034
1035        /** Left out right in. */
1036        public static final int LEFT_OUT_RIGTH_IN = 1;
1037
1038        /** Top out bottom in. */
1039        public static final int TOP_OUT_BOTTOM_IN = 2;
1040
1041        /** Bottom out top in */
1042        public static final int BOTTOM_OUT_TOP_IN = 3;
1043    }
1044
1045    /** Defines the Slide transition settings. */
1046    public static class SlideTransitionSettings {
1047        /**
1048         * Direction of the slide transition. See {@link SlideDirection
1049         * SlideDirection} for valid values.
1050         */
1051        public int direction;
1052    }
1053
1054    /**
1055     * Defines the settings of a single clip.
1056     */
1057    public static class ClipSettings {
1058
1059        /**
1060         * The path to the clip file.
1061         * <p>
1062         * File format of the clip, it can be:
1063         * <ul>
1064         * <li>3GP file containing MPEG4/H263/H264 video and AAC/AMR audio
1065         * <li>JPG file
1066         * </ul>
1067         */
1068
1069        public String clipPath;
1070
1071        /**
1072         * The path of the decoded file. This is used only for image files.
1073         */
1074        public String clipDecodedPath;
1075
1076        /**
1077         * The path of the Original file. This is used only for image files.
1078         */
1079        public String clipOriginalPath;
1080
1081        /**
1082         * File type of the clip. See {@link FileType FileType} for valid
1083         * values.
1084         */
1085        public int fileType;
1086
1087        /** Begin of the cut in the clip in milliseconds. */
1088        public int beginCutTime;
1089
1090        /**
1091         * End of the cut in the clip in milliseconds. Set both
1092         * <code>beginCutTime</code> and <code>endCutTime</code> to
1093         * <code>0</code> to get the full length of the clip without a cut. In
1094         * case of JPG clip, this is the duration of the JPEG file.
1095         */
1096        public int endCutTime;
1097
1098        /**
1099         * Begin of the cut in the clip in percentage of the file duration.
1100         */
1101        public int beginCutPercent;
1102
1103        /**
1104         * End of the cut in the clip in percentage of the file duration. Set
1105         * both <code>beginCutPercent</code> and <code>endCutPercent</code> to
1106         * <code>0</code> to get the full length of the clip without a cut.
1107         */
1108        public int endCutPercent;
1109
1110        /** Enable panning and zooming. */
1111        public boolean panZoomEnabled;
1112
1113        /** Zoom percentage at start of clip. 0 = no zoom, 100 = full zoom */
1114        public int panZoomPercentStart;
1115
1116        /** Top left X coordinate at start of clip. */
1117        public int panZoomTopLeftXStart;
1118
1119        /** Top left Y coordinate at start of clip. */
1120        public int panZoomTopLeftYStart;
1121
1122        /** Zoom percentage at start of clip. 0 = no zoom, 100 = full zoom */
1123        public int panZoomPercentEnd;
1124
1125        /** Top left X coordinate at end of clip. */
1126        public int panZoomTopLeftXEnd;
1127
1128        /** Top left Y coordinate at end of clip. */
1129        public int panZoomTopLeftYEnd;
1130
1131        /**
1132         * Set The media rendering. See {@link MediaRendering MediaRendering}
1133         * for valid values.
1134         */
1135        public int mediaRendering;
1136
1137        /**
1138         * RGB width and Height
1139         */
1140         public int rgbWidth;
1141         public int rgbHeight;
1142    }
1143
1144    /**
1145     * Defines settings for a transition.
1146     */
1147    public static class TransitionSettings {
1148
1149        /** Duration of the transition in msec. */
1150        public int duration;
1151
1152        /**
1153         * Transition type for video. See {@link VideoTransition
1154         * VideoTransition} for valid values.
1155         */
1156        public int videoTransitionType;
1157
1158        /**
1159         * Transition type for audio. See {@link AudioTransition
1160         * AudioTransition} for valid values.
1161         */
1162        public int audioTransitionType;
1163
1164        /**
1165         * Transition behaviour. See {@link TransitionBehaviour
1166         * TransitionBehaviour} for valid values.
1167         */
1168        public int transitionBehaviour;
1169
1170        /**
1171         * Settings for AlphaMagic transition. Only needs to be set if
1172         * <code>videoTransitionType</code> is set to
1173         * <code>VideoTransition.ALPHA_MAGIC</code>. See
1174         * {@link AlphaMagicSettings AlphaMagicSettings}.
1175         */
1176        public AlphaMagicSettings alphaSettings;
1177
1178        /**
1179         * Settings for the Slide transition. See
1180         * {@link SlideTransitionSettings SlideTransitionSettings}.
1181         */
1182        public SlideTransitionSettings slideSettings;
1183    }
1184
1185    public static final class AudioTransition {
1186        /** No audio transition. */
1187        public static final int NONE = 0;
1188
1189        /** Cross-fade audio transition. */
1190        public static final int CROSS_FADE = 1;
1191    }
1192
1193    /**
1194     * Defines transition behaviors.
1195     */
1196    public static final class TransitionBehaviour {
1197
1198        /** The transition uses an increasing speed. */
1199        public static final int SPEED_UP = 0;
1200
1201        /** The transition uses a linear (constant) speed. */
1202        public static final int LINEAR = 1;
1203
1204        /** The transition uses a decreasing speed. */
1205        public static final int SPEED_DOWN = 2;
1206
1207        /**
1208         * The transition uses a constant speed, but slows down in the middle
1209         * section.
1210         */
1211        public static final int SLOW_MIDDLE = 3;
1212
1213        /**
1214         * The transition uses a constant speed, but increases speed in the
1215         * middle section.
1216         */
1217        public static final int FAST_MIDDLE = 4;
1218    }
1219
1220    /**
1221     * Defines settings for the background music.
1222     */
1223    public static class BackgroundMusicSettings {
1224
1225        /** Background music file. */
1226        public String file;
1227
1228        /** File type. See {@link FileType FileType} for valid values. */
1229        public int fileType;
1230
1231        /**
1232         * Insertion time in milliseconds, in the output video where the
1233         * background music must be inserted.
1234         */
1235        public long insertionTime;
1236
1237        /**
1238         * Volume, as a percentage of the background music track, to use. If
1239         * this field is set to 100, the background music will replace the audio
1240         * from the video input file(s).
1241         */
1242        public int volumePercent;
1243
1244        /**
1245         * Start time in milliseconds in the background muisc file from where
1246         * the background music should loop. Set both <code>beginLoop</code> and
1247         * <code>endLoop</code> to <code>0</code> to disable looping.
1248         */
1249        public long beginLoop;
1250
1251        /**
1252         * End time in milliseconds in the background music file to where the
1253         * background music should loop. Set both <code>beginLoop</code> and
1254         * <code>endLoop</code> to <code>0</code> to disable looping.
1255         */
1256        public long endLoop;
1257
1258        public boolean enableDucking;
1259
1260        public int duckingThreshold;
1261
1262        public int lowVolume;
1263
1264        public boolean isLooping;
1265    }
1266
1267    /** Defines settings for an effect. */
1268    public static class AudioEffect {
1269        /** No audio effect. */
1270        public static final int NONE = 0;
1271
1272        /** Fade-in effect. */
1273        public static final int FADE_IN = 8;
1274
1275        /** Fade-out effect. */
1276        public static final int FADE_OUT = 16;
1277    }
1278
1279    /** Defines the effect settings. */
1280    public static class EffectSettings {
1281
1282        /** Start time of the effect in milliseconds. */
1283        public int startTime;
1284
1285        /** Duration of the effect in milliseconds. */
1286        public int duration;
1287
1288        /**
1289         * Video effect type. See {@link VideoEffect VideoEffect} for valid
1290         * values.
1291         */
1292        public int videoEffectType;
1293
1294        /**
1295         * Audio effect type. See {@link AudioEffect AudioEffect} for valid
1296         * values.
1297         */
1298        public int audioEffectType;
1299
1300        /**
1301         * Start time of the effect in percents of the duration of the clip. A
1302         * value of 0 percent means start time is from the beginning of the
1303         * clip.
1304         */
1305        public int startPercent;
1306
1307        /**
1308         * Duration of the effect in percents of the duration of the clip.
1309         */
1310        public int durationPercent;
1311
1312        /**
1313         * Framing file.
1314         * <p>
1315         * This field is only used when the field <code>videoEffectType</code>
1316         * is set to {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise
1317         * this field is ignored.
1318         */
1319        public String framingFile;
1320
1321        /**
1322         * Framing buffer.
1323         * <p>
1324         * This field is only used when the field <code>videoEffectType</code>
1325         * is set to {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise
1326         * this field is ignored.
1327         */
1328        public int[] framingBuffer;
1329
1330        /**
1331         * Bitmap type Can be from RGB_565 (4), ARGB_4444 (5), ARGB_8888 (6);
1332         **/
1333
1334        public int bitmapType;
1335
1336        public int width;
1337
1338        public int height;
1339
1340        /**
1341         * Top left x coordinate. This coordinate is used to set the x
1342         * coordinate of the picture in the framing file when the framing file
1343         * is selected. The x coordinate is also used to set the location of the
1344         * text in the text effect.
1345         * <p>
1346         * This field is only used when the field <code>videoEffectType</code>
1347         * is set to {@link VideoEffect#FRAMING VideoEffect.FRAMING} or
1348         * {@link VideoEffect#TEXT VideoEffect.TEXT}. Otherwise this field is
1349         * ignored.
1350         */
1351        public int topLeftX;
1352
1353        /**
1354         * Top left y coordinate. This coordinate is used to set the y
1355         * coordinate of the picture in the framing file when the framing file
1356         * is selected. The y coordinate is also used to set the location of the
1357         * text in the text effect.
1358         * <p>
1359         * This field is only used when the field <code>videoEffectType</code>
1360         * is set to {@link VideoEffect#FRAMING VideoEffect.FRAMING} or
1361         * {@link VideoEffect#TEXT VideoEffect.TEXT}. Otherwise this field is
1362         * ignored.
1363         */
1364        public int topLeftY;
1365
1366        /**
1367         * Should the frame be resized or not. If this field is set to
1368         * <link>true</code> then the frame size is matched with the output
1369         * video size.
1370         * <p>
1371         * This field is only used when the field <code>videoEffectType</code>
1372         * is set to {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise
1373         * this field is ignored.
1374         */
1375        public boolean framingResize;
1376
1377        /**
1378         * Size to which the framing buffer needs to be resized to
1379         * This is valid only if framingResize is true
1380         */
1381        public int framingScaledSize;
1382        /**
1383         * Text to insert in the video.
1384         * <p>
1385         * This field is only used when the field <code>videoEffectType</code>
1386         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT}. Otherwise this
1387         * field is ignored.
1388         */
1389        public String text;
1390
1391        /**
1392         * Text attributes for the text to insert in the video.
1393         * <p>
1394         * This field is only used when the field <code>videoEffectType</code>
1395         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT}. Otherwise this
1396         * field is ignored. For more details about this field see the
1397         * integration guide.
1398         */
1399        public String textRenderingData;
1400
1401        /** Width of the text buffer in pixels. */
1402        public int textBufferWidth;
1403
1404        /** Height of the text buffer in pixels. */
1405        public int textBufferHeight;
1406
1407        /**
1408         * Processing rate for the fifties effect. A high value (e.g. 30)
1409         * results in high effect strength.
1410         * <p>
1411         * This field is only used when the field <code>videoEffectType</code>
1412         * is set to {@link VideoEffect#FIFTIES VideoEffect.FIFTIES}. Otherwise
1413         * this field is ignored.
1414         */
1415        public int fiftiesFrameRate;
1416
1417        /**
1418         * RGB 16 color of the RGB16 and gradient color effect.
1419         * <p>
1420         * This field is only used when the field <code>videoEffectType</code>
1421         * is set to {@link VideoEffect#COLORRGB16 VideoEffect.COLORRGB16} or
1422         * {@link VideoEffect#GRADIENT VideoEffect.GRADIENT}. Otherwise this
1423         * field is ignored.
1424         */
1425        public int rgb16InputColor;
1426
1427        /**
1428         * Start alpha blending percentage.
1429         * <p>
1430         * This field is only used when the field <code>videoEffectType</code>
1431         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT} or
1432         * {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise this field
1433         * is ignored.
1434         */
1435        public int alphaBlendingStartPercent;
1436
1437        /**
1438         * Middle alpha blending percentage.
1439         * <p>
1440         * This field is only used when the field <code>videoEffectType</code>
1441         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT} or
1442         * {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise this field
1443         * is ignored.
1444         */
1445        public int alphaBlendingMiddlePercent;
1446
1447        /**
1448         * End alpha blending percentage.
1449         * <p>
1450         * This field is only used when the field <code>videoEffectType</code>
1451         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT} or
1452         * {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise this field
1453         * is ignored.
1454         */
1455        public int alphaBlendingEndPercent;
1456
1457        /**
1458         * Duration, in percentage of effect duration of the fade-in phase.
1459         * <p>
1460         * This field is only used when the field <code>videoEffectType</code>
1461         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT} or
1462         * {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise this field
1463         * is ignored.
1464         */
1465        public int alphaBlendingFadeInTimePercent;
1466
1467        /**
1468         * Duration, in percentage of effect duration of the fade-out phase.
1469         * <p>
1470         * This field is only used when the field <code>videoEffectType</code>
1471         * is set to {@link VideoEffect#TEXT VideoEffect.TEXT} or
1472         * {@link VideoEffect#FRAMING VideoEffect.FRAMING}. Otherwise this field
1473         * is ignored.
1474         */
1475        public int alphaBlendingFadeOutTimePercent;
1476    }
1477
1478    /** Defines the clip properties for preview */
1479    public static class PreviewClips {
1480
1481        /**
1482         * The path to the clip file.
1483         * <p>
1484         * File format of the clip, it can be:
1485         * <ul>
1486         * <li>3GP file containing MPEG4/H263 video and AAC/AMR audio
1487         * <li>JPG file
1488         * </ul>
1489         */
1490
1491        public String clipPath;
1492
1493        /**
1494         * File type of the clip. See {@link FileType FileType} for valid
1495         * values.
1496         */
1497        public int fileType;
1498
1499        /** Begin of the cut in the clip in milliseconds. */
1500        public long beginPlayTime;
1501
1502        public long endPlayTime;
1503
1504        /**
1505         * Set The media rendering. See {@link MediaRendering MediaRendering}
1506         * for valid values.
1507         */
1508        public int mediaRendering;
1509
1510    }
1511
1512    /** Defines the audio settings. */
1513    public static class AudioSettings {
1514
1515        String pFile;
1516
1517        /** < PCM file path */
1518        String Id;
1519
1520        boolean bRemoveOriginal;
1521
1522        /** < If true, the original audio track is not taken into account */
1523        int channels;
1524
1525        /** < Number of channels (1=mono, 2=stereo) of BGM clip */
1526        int Fs;
1527
1528        /**
1529         * < Sampling audio frequency (8000 for amr, 16000 or more for aac) of
1530         * BGM clip
1531         */
1532        int ExtendedFs;
1533
1534        /** < Extended frequency for AAC+, eAAC+ streams of BGM clip */
1535        long startMs;
1536
1537        /** < Time, in milliseconds, at which the added audio track is inserted */
1538        long beginCutTime;
1539
1540        long endCutTime;
1541
1542        int fileType;
1543
1544        int volume;
1545
1546        /** < Volume, in percentage, of the added audio track */
1547        boolean loop;
1548
1549        /** < Looping on/off > **/
1550
1551        /** Audio mix and Duck **/
1552        int ducking_threshold;
1553
1554        int ducking_lowVolume;
1555
1556        boolean bInDucking_enable;
1557
1558        String pcmFilePath;
1559    }
1560
1561    /** Encapsulates preview clips and effect settings */
1562    public static class PreviewSettings {
1563
1564        public PreviewClips[] previewClipsArray;
1565
1566        /** The effect settings. */
1567        public EffectSettings[] effectSettingsArray;
1568
1569    }
1570
1571    /** Encapsulates clip properties */
1572    public static class PreviewClipProperties {
1573
1574        public Properties[] clipProperties;
1575
1576    }
1577
1578    /** Defines the editing settings. */
1579    public static class EditSettings {
1580
1581        /**
1582         * Array of clip settings. There is one <code>clipSetting</code> for
1583         * each clip.
1584         */
1585        public ClipSettings[] clipSettingsArray;
1586
1587        /**
1588         * Array of transition settings. If there are n clips (and thus n
1589         * <code>clipSettings</code>) then there are (n-1) transitions and (n-1)
1590         * <code>transistionSettings</code> in
1591         * <code>transistionSettingsArray</code>.
1592         */
1593        public TransitionSettings[] transitionSettingsArray;
1594
1595        /** The effect settings. */
1596        public EffectSettings[] effectSettingsArray;
1597
1598        /**
1599         * Video frame rate of the output clip. See {@link VideoFrameRate
1600         * VideoFrameRate} for valid values.
1601         */
1602        public int videoFrameRate;
1603
1604        /** Output file name. Must be an absolute path. */
1605        public String outputFile;
1606
1607        /**
1608         * Size of the video frames in the output clip. See
1609         * {@link VideoFrameSize VideoFrameSize} for valid values.
1610         */
1611        public int videoFrameSize;
1612
1613        /**
1614         * Format of the video stream in the output clip. See
1615         * {@link VideoFormat VideoFormat} for valid values.
1616         */
1617        public int videoFormat;
1618
1619        /**
1620         * Format of the audio stream in the output clip. See
1621         * {@link AudioFormat AudioFormat} for valid values.
1622         */
1623        public int audioFormat;
1624
1625        /**
1626         * Sampling frequency of the audio stream in the output clip. See
1627         * {@link AudioSamplingFrequency AudioSamplingFrequency} for valid
1628         * values.
1629         */
1630        public int audioSamplingFreq;
1631
1632        /**
1633         * Maximum file size. By setting this you can set the maximum size of
1634         * the output clip. Set it to <code>0</code> to let the class ignore
1635         * this filed.
1636         */
1637        public int maxFileSize;
1638
1639        /**
1640         * Number of audio channels in output clip. Use <code>0</code> for none,
1641         * <code>1</code> for mono or <code>2</code> for stereo. None is only
1642         * allowed when the <code>audioFormat</code> field is set to
1643         * {@link AudioFormat#NO_AUDIO AudioFormat.NO_AUDIO} or
1644         * {@link AudioFormat#NULL_AUDIO AudioFormat.NULL_AUDIO} Mono is only
1645         * allowed when the <code>audioFormat</code> field is set to
1646         * {@link AudioFormat#AAC AudioFormat.AAC}
1647         */
1648        public int audioChannels;
1649
1650        /** Video bitrate. See {@link Bitrate Bitrate} for valid values. */
1651        public int videoBitrate;
1652
1653        /** Audio bitrate. See {@link Bitrate Bitrate} for valid values. */
1654        public int audioBitrate;
1655
1656        /**
1657         * Background music settings. See {@link BackgroundMusicSettings
1658         * BackgroundMusicSettings} for valid values.
1659         */
1660        public BackgroundMusicSettings backgroundMusicSettings;
1661
1662        public int primaryTrackVolume;
1663
1664    }
1665
1666    /**
1667     * Defines the media properties.
1668     **/
1669
1670    public static class Properties {
1671
1672        /**
1673         * Duration of the media in milliseconds.
1674         */
1675
1676        public int duration;
1677
1678        /**
1679         * File type.
1680         */
1681
1682        public int fileType;
1683
1684        /**
1685         * Video format.
1686         */
1687
1688        public int videoFormat;
1689
1690        /**
1691         * Duration of the video stream of the media in milliseconds.
1692         */
1693
1694        public int videoDuration;
1695
1696        /**
1697         * Bitrate of the video stream of the media.
1698         */
1699
1700        public int videoBitrate;
1701
1702        /**
1703         * Width of the video frames or the width of the still picture in
1704         * pixels.
1705         */
1706
1707        public int width;
1708
1709        /**
1710         * Height of the video frames or the height of the still picture in
1711         * pixels.
1712         */
1713
1714        public int height;
1715
1716        /**
1717         * Average frame rate of video in the media in frames per second.
1718         */
1719
1720        public float averageFrameRate;
1721
1722        /**
1723         * Profile and level of the video in the media.
1724         */
1725
1726        public int profileAndLevel;
1727
1728        /**
1729         * Audio format.
1730         */
1731
1732        public int audioFormat;
1733
1734        /**
1735         * Duration of the audio stream of the media in milliseconds.
1736         */
1737
1738        public int audioDuration;
1739
1740        /**
1741         * Bitrate of the audio stream of the media.
1742         */
1743
1744        public int audioBitrate;
1745
1746        /**
1747         * Number of audio channels in the media.
1748         */
1749
1750        public int audioChannels;
1751
1752        /**
1753         * Sampling frequency of the audio stream in the media in samples per
1754         * second.
1755         */
1756
1757        public int audioSamplingFrequency;
1758
1759        /**
1760         * Volume value of the audio track as percentage.
1761         */
1762        public int audioVolumeValue;
1763
1764        public String Id;
1765    }
1766
1767    /**
1768     * Constructor
1769     *
1770     * @param projectPath The path where the VideoEditor stores all files
1771     *        related to the project
1772     * @param lock The semaphore
1773     * @param veObj The video editor reference
1774     */
1775    public MediaArtistNativeHelper(String projectPath, Semaphore lock, VideoEditor veObj) {
1776        mProjectPath = projectPath;
1777        if (veObj != null) {
1778            mVideoEditor = veObj;
1779        } else {
1780            mVideoEditor = null;
1781            throw new IllegalArgumentException("video editor object is null");
1782        }
1783        if (mStoryBoardSettings == null) {
1784            mStoryBoardSettings = new EditSettings();
1785        }
1786
1787        mLock = lock;
1788
1789        _init(mProjectPath, "null");
1790        mAudioTrackPCMFilePath = null;
1791    }
1792
1793    /**
1794     * @return The project path
1795     */
1796    String getProjectPath() {
1797        return mProjectPath;
1798    }
1799
1800    /**
1801     * @return The Audio Track PCM file path
1802     */
1803    String getProjectAudioTrackPCMFilePath() {
1804        return mAudioTrackPCMFilePath;
1805    }
1806
1807    /**
1808     * Invalidates the PCM file
1809     */
1810    void invalidatePcmFile() {
1811        if (mAudioTrackPCMFilePath != null) {
1812            new File(mAudioTrackPCMFilePath).delete();
1813            mAudioTrackPCMFilePath = null;
1814        }
1815    }
1816
1817    @SuppressWarnings("unused")
1818    private void onProgressUpdate(int taskId, int progress) {
1819        if (mProcessingState == PROCESSING_EXPORT) {
1820            if (mExportProgressListener != null) {
1821                if (mProgressToApp < progress) {
1822                    mExportProgressListener.onProgress(mVideoEditor, mOutputFilename, progress);
1823                    /* record previous progress */
1824                    mProgressToApp = progress;
1825                }
1826            }
1827        }
1828        else {
1829            // Adapt progress depending on current state
1830            int actualProgress = 0;
1831            int action = 0;
1832
1833            if (mProcessingState == PROCESSING_AUDIO_PCM) {
1834                action = MediaProcessingProgressListener.ACTION_DECODE;
1835            } else {
1836                action = MediaProcessingProgressListener.ACTION_ENCODE;
1837            }
1838
1839            switch (mProcessingState) {
1840                case PROCESSING_AUDIO_PCM:
1841                    actualProgress = progress;
1842                    break;
1843                case PROCESSING_TRANSITION:
1844                    actualProgress = progress;
1845                    break;
1846                case PROCESSING_KENBURNS:
1847                    actualProgress = progress;
1848                    break;
1849                case PROCESSING_INTERMEDIATE1:
1850                    if ((progress == 0) && (mProgressToApp != 0)) {
1851                        mProgressToApp = 0;
1852                    }
1853                    if ((progress != 0) || (mProgressToApp != 0)) {
1854                        actualProgress = progress/4;
1855                    }
1856                    break;
1857                case PROCESSING_INTERMEDIATE2:
1858                    if ((progress != 0) || (mProgressToApp != 0)) {
1859                        actualProgress = 25 + progress/4;
1860                    }
1861                    break;
1862                case PROCESSING_INTERMEDIATE3:
1863                    if ((progress != 0) || (mProgressToApp != 0)) {
1864                        actualProgress = 50 + progress/2;
1865                    }
1866                    break;
1867                case PROCESSING_NONE:
1868
1869                default:
1870                    Log.e(TAG, "ERROR unexpected State=" + mProcessingState);
1871                    return;
1872            }
1873            if ((mProgressToApp != actualProgress) && (actualProgress != 0)) {
1874
1875                mProgressToApp = actualProgress;
1876
1877                if (mMediaProcessingProgressListener != null) {
1878                    // Send the progress indication
1879                    mMediaProcessingProgressListener.onProgress(mProcessingObject, action,
1880                                                                actualProgress);
1881                }
1882            }
1883            /* avoid 0 in next intermediate call */
1884            if (mProgressToApp == 0) {
1885                if (mMediaProcessingProgressListener != null) {
1886                    /*
1887                     *  Send the progress indication
1888                     */
1889                    mMediaProcessingProgressListener.onProgress(mProcessingObject, action,
1890                                                                actualProgress);
1891                }
1892                mProgressToApp = 1;
1893            }
1894        }
1895    }
1896
1897    @SuppressWarnings("unused")
1898    private void onPreviewProgressUpdate(int progress, boolean isFinished,
1899                  boolean updateOverlay, String filename, int renderingMode) {
1900        if (mPreviewProgressListener != null) {
1901            if (mIsFirstProgress) {
1902                mPreviewProgressListener.onStart(mVideoEditor);
1903                mIsFirstProgress = false;
1904            }
1905
1906            final VideoEditor.OverlayData overlayData;
1907            if (updateOverlay) {
1908                overlayData = new VideoEditor.OverlayData();
1909                if (filename != null) {
1910                    overlayData.set(BitmapFactory.decodeFile(filename), renderingMode);
1911                } else {
1912                    overlayData.setClear();
1913                }
1914            } else {
1915                overlayData = null;
1916            }
1917
1918            if (progress != 0) {
1919                mPreviewProgress = progress;
1920            }
1921
1922            if (isFinished) {
1923                mPreviewProgressListener.onStop(mVideoEditor);
1924            } else {
1925                mPreviewProgressListener.onProgress(mVideoEditor, progress, overlayData);
1926            }
1927        }
1928    }
1929
1930    /**
1931     * Release the native helper object
1932     */
1933    void releaseNativeHelper() throws InterruptedException {
1934        release();
1935    }
1936
1937    /**
1938     * Release the native helper to end the Audio Graph process
1939     */
1940    @SuppressWarnings("unused")
1941    private void onAudioGraphExtractProgressUpdate(int progress, boolean isVideo) {
1942        if ((mExtractAudioWaveformProgressListener != null) && (progress > 0)) {
1943            mExtractAudioWaveformProgressListener.onProgress(progress);
1944        }
1945    }
1946
1947    /**
1948     * Populates the Effect Settings in EffectSettings
1949     *
1950     * @param effects The reference of EffectColor
1951     *
1952     * @return The populated effect settings in EffectSettings reference
1953     */
1954    EffectSettings getEffectSettings(EffectColor effects) {
1955        EffectSettings effectSettings = new EffectSettings();
1956        effectSettings.startTime = (int)effects.getStartTime();
1957        effectSettings.duration = (int)effects.getDuration();
1958        effectSettings.videoEffectType = getEffectColorType(effects);
1959        effectSettings.audioEffectType = 0;
1960        effectSettings.startPercent = 0;
1961        effectSettings.durationPercent = 0;
1962        effectSettings.framingFile = null;
1963        effectSettings.topLeftX = 0;
1964        effectSettings.topLeftY = 0;
1965        effectSettings.framingResize = false;
1966        effectSettings.text = null;
1967        effectSettings.textRenderingData = null;
1968        effectSettings.textBufferWidth = 0;
1969        effectSettings.textBufferHeight = 0;
1970        if (effects.getType() == EffectColor.TYPE_FIFTIES) {
1971            effectSettings.fiftiesFrameRate = 15;
1972        } else {
1973            effectSettings.fiftiesFrameRate = 0;
1974        }
1975
1976        if ((effectSettings.videoEffectType == VideoEffect.COLORRGB16)
1977                || (effectSettings.videoEffectType == VideoEffect.GRADIENT)) {
1978            effectSettings.rgb16InputColor = effects.getColor();
1979        }
1980
1981        effectSettings.alphaBlendingStartPercent = 0;
1982        effectSettings.alphaBlendingMiddlePercent = 0;
1983        effectSettings.alphaBlendingEndPercent = 0;
1984        effectSettings.alphaBlendingFadeInTimePercent = 0;
1985        effectSettings.alphaBlendingFadeOutTimePercent = 0;
1986        return effectSettings;
1987    }
1988
1989    /**
1990     * Populates the Overlay Settings in EffectSettings
1991     *
1992     * @param overlay The reference of OverlayFrame
1993     *
1994     * @return The populated overlay settings in EffectSettings reference
1995     */
1996    EffectSettings getOverlaySettings(OverlayFrame overlay) {
1997        EffectSettings effectSettings = new EffectSettings();
1998        Bitmap bitmap = null;
1999
2000        effectSettings.startTime = (int)overlay.getStartTime();
2001        effectSettings.duration = (int)overlay.getDuration();
2002        effectSettings.videoEffectType = VideoEffect.FRAMING;
2003        effectSettings.audioEffectType = 0;
2004        effectSettings.startPercent = 0;
2005        effectSettings.durationPercent = 0;
2006        effectSettings.framingFile = null;
2007
2008        if ((bitmap = overlay.getBitmap()) != null) {
2009            effectSettings.framingFile = overlay.getFilename();
2010
2011            if (effectSettings.framingFile == null) {
2012                try {
2013                    (overlay).save(mProjectPath);
2014                } catch (IOException e) {
2015                    Log.e(TAG, "getOverlaySettings : File not found");
2016                }
2017                effectSettings.framingFile = overlay.getFilename();
2018            }
2019            if (bitmap.getConfig() == Bitmap.Config.ARGB_8888)
2020                effectSettings.bitmapType = 6;
2021            else if (bitmap.getConfig() == Bitmap.Config.ARGB_4444)
2022                effectSettings.bitmapType = 5;
2023            else if (bitmap.getConfig() == Bitmap.Config.RGB_565)
2024                effectSettings.bitmapType = 4;
2025            else if (bitmap.getConfig() == Bitmap.Config.ALPHA_8)
2026                throw new RuntimeException("Bitmap config not supported");
2027
2028            effectSettings.width = bitmap.getWidth();
2029            effectSettings.height = bitmap.getHeight();
2030            effectSettings.framingBuffer = new int[effectSettings.width];
2031            int tmp = 0;
2032            short maxAlpha = 0;
2033            short minAlpha = (short)0xFF;
2034            short alpha = 0;
2035            while (tmp < effectSettings.height) {
2036                bitmap.getPixels(effectSettings.framingBuffer, 0,
2037                                 effectSettings.width, 0, tmp,
2038                                 effectSettings.width, 1);
2039                for (int i = 0; i < effectSettings.width; i++) {
2040                    alpha = (short)((effectSettings.framingBuffer[i] >> 24) & 0xFF);
2041                    if (alpha > maxAlpha) {
2042                        maxAlpha = alpha;
2043                    }
2044                    if (alpha < minAlpha) {
2045                        minAlpha = alpha;
2046                    }
2047                }
2048                tmp += 1;
2049            }
2050            alpha = (short)((maxAlpha + minAlpha) / 2);
2051            alpha = (short)((alpha * 100) / 256);
2052            effectSettings.alphaBlendingEndPercent = alpha;
2053            effectSettings.alphaBlendingMiddlePercent = alpha;
2054            effectSettings.alphaBlendingStartPercent = alpha;
2055            effectSettings.alphaBlendingFadeInTimePercent = 100;
2056            effectSettings.alphaBlendingFadeOutTimePercent = 100;
2057            effectSettings.framingBuffer = null;
2058
2059            /*
2060             * Set the resized RGB file dimensions
2061             */
2062            effectSettings.width = overlay.getResizedRGBSizeWidth();
2063            if(effectSettings.width == 0) {
2064                effectSettings.width = bitmap.getWidth();
2065            }
2066
2067            effectSettings.height = overlay.getResizedRGBSizeHeight();
2068            if(effectSettings.height == 0) {
2069                effectSettings.height = bitmap.getHeight();
2070            }
2071
2072        }
2073
2074        effectSettings.topLeftX = 0;
2075        effectSettings.topLeftY = 0;
2076
2077        effectSettings.framingResize = true;
2078        effectSettings.text = null;
2079        effectSettings.textRenderingData = null;
2080        effectSettings.textBufferWidth = 0;
2081        effectSettings.textBufferHeight = 0;
2082        effectSettings.fiftiesFrameRate = 0;
2083        effectSettings.rgb16InputColor = 0;
2084        int mediaItemHeight;
2085        int aspectRatio;
2086        if (overlay.getMediaItem() instanceof MediaImageItem) {
2087            if (((MediaImageItem)overlay.getMediaItem()).getGeneratedImageClip() != null) {
2088                // Ken Burns was applied
2089                mediaItemHeight = ((MediaImageItem)overlay.getMediaItem()).getGeneratedClipHeight();
2090                aspectRatio = getAspectRatio(
2091                    ((MediaImageItem)overlay.getMediaItem()).getGeneratedClipWidth()
2092                    , mediaItemHeight);
2093            } else {
2094                //For image get the scaled height. Aspect ratio would remain the same
2095                mediaItemHeight = ((MediaImageItem)overlay.getMediaItem()).getScaledHeight();
2096                aspectRatio = overlay.getMediaItem().getAspectRatio();
2097            }
2098        } else {
2099            aspectRatio = overlay.getMediaItem().getAspectRatio();
2100            mediaItemHeight = overlay.getMediaItem().getHeight();
2101        }
2102        effectSettings.framingScaledSize = findVideoResolution(aspectRatio, mediaItemHeight);
2103        return effectSettings;
2104    }
2105
2106     /* get Video Editor aspect ratio */
2107    int nativeHelperGetAspectRatio() {
2108        return mVideoEditor.getAspectRatio();
2109    }
2110
2111    /**
2112     * Sets the audio regenerate flag
2113     *
2114     * @param flag The boolean to set the audio regenerate flag
2115     *
2116     */
2117    void setAudioflag(boolean flag) {
2118        //check if the file exists.
2119        if (!(new File(String.format(mProjectPath + "/" + AUDIO_TRACK_PCM_FILE)).exists())) {
2120            flag = true;
2121        }
2122        mRegenerateAudio = flag;
2123    }
2124
2125    /**
2126     * Gets the audio regenerate flag
2127     *
2128     * @param return The boolean to get the audio regenerate flag
2129     *
2130     */
2131    boolean getAudioflag() {
2132        return mRegenerateAudio;
2133    }
2134
2135    /**
2136     * Maps the average frame rate to one of the defined enum values
2137     *
2138     * @param averageFrameRate The average frame rate of video item
2139     *
2140     * @return The frame rate from one of the defined enum values
2141     */
2142    int GetClosestVideoFrameRate(int averageFrameRate) {
2143        if (averageFrameRate >= 25) {
2144            return VideoFrameRate.FR_30_FPS;
2145        } else if (averageFrameRate >= 20) {
2146            return VideoFrameRate.FR_25_FPS;
2147        } else if (averageFrameRate >= 15) {
2148            return VideoFrameRate.FR_20_FPS;
2149        } else if (averageFrameRate >= 12) {
2150            return VideoFrameRate.FR_15_FPS;
2151        } else if (averageFrameRate >= 10) {
2152            return VideoFrameRate.FR_12_5_FPS;
2153        } else if (averageFrameRate >= 7) {
2154            return VideoFrameRate.FR_10_FPS;
2155        } else if (averageFrameRate >= 5) {
2156            return VideoFrameRate.FR_7_5_FPS;
2157        } else {
2158            return -1;
2159        }
2160    }
2161
2162    /**
2163     * Helper function to adjust the effect or overlay start time
2164     * depending on the begin and end boundary time of meddia item
2165     */
2166    public void adjustEffectsStartTimeAndDuration(EffectSettings lEffect, int beginCutTime,
2167                                                  int endCutTime) {
2168
2169        int effectStartTime = 0;
2170        int effectDuration = 0;
2171
2172        /**
2173         * cbct -> clip begin cut time
2174         * cect -> clip end cut time
2175         ****************************************
2176         *  |                                 |
2177         *  |         cbct        cect        |
2178         *  | <-1-->   |           |          |
2179         *  |       <--|-2->       |          |
2180         *  |          | <---3---> |          |
2181         *  |          |        <--|-4--->    |
2182         *  |          |           | <--5-->  |
2183         *  |      <---|------6----|---->     |
2184         *  |                                 |
2185         *  < : effectStart
2186         *  > : effectStart + effectDuration
2187         ****************************************
2188         **/
2189
2190        /** 1 & 5 */
2191        /**
2192         * Effect falls out side the trim duration. In such a case effects shall
2193         * not be applied.
2194         */
2195        if ((lEffect.startTime > endCutTime)
2196                || ((lEffect.startTime + lEffect.duration) <= beginCutTime)) {
2197
2198            effectStartTime = 0;
2199            effectDuration = 0;
2200
2201            lEffect.startTime = effectStartTime;
2202            lEffect.duration = effectDuration;
2203            return;
2204        }
2205
2206        /** 2 */
2207        if ((lEffect.startTime < beginCutTime)
2208                && ((lEffect.startTime + lEffect.duration) > beginCutTime)
2209                && ((lEffect.startTime + lEffect.duration) <= endCutTime)) {
2210            effectStartTime = 0;
2211            effectDuration = lEffect.duration;
2212
2213            effectDuration -= (beginCutTime - lEffect.startTime);
2214            lEffect.startTime = effectStartTime;
2215            lEffect.duration = effectDuration;
2216            return;
2217        }
2218
2219        /** 3 */
2220        if ((lEffect.startTime >= beginCutTime)
2221                && ((lEffect.startTime + lEffect.duration) <= endCutTime)) {
2222            effectStartTime = lEffect.startTime - beginCutTime;
2223            lEffect.startTime = effectStartTime;
2224            lEffect.duration = lEffect.duration;
2225            return;
2226        }
2227
2228        /** 4 */
2229        if ((lEffect.startTime >= beginCutTime)
2230                && ((lEffect.startTime + lEffect.duration) > endCutTime)) {
2231            effectStartTime = lEffect.startTime - beginCutTime;
2232            effectDuration = endCutTime - lEffect.startTime;
2233            lEffect.startTime = effectStartTime;
2234            lEffect.duration = effectDuration;
2235            return;
2236        }
2237
2238        /** 6 */
2239        if ((lEffect.startTime < beginCutTime)
2240                && ((lEffect.startTime + lEffect.duration) > endCutTime)) {
2241            effectStartTime = 0;
2242            effectDuration = endCutTime - beginCutTime;
2243            lEffect.startTime = effectStartTime;
2244            lEffect.duration = effectDuration;
2245            return;
2246        }
2247
2248    }
2249
2250    /**
2251     * Generates the clip for preview or export
2252     *
2253     * @param editSettings The EditSettings reference for generating
2254     * a clip for preview or export
2255     *
2256     * @return error value
2257     */
2258    public int generateClip(EditSettings editSettings) {
2259        int err = 0;
2260
2261        try {
2262            err = nativeGenerateClip(editSettings);
2263        } catch (IllegalArgumentException ex) {
2264            Log.e(TAG, "Illegal Argument exception in load settings");
2265            return -1;
2266        } catch (IllegalStateException ex) {
2267            Log.e(TAG, "Illegal state exception in load settings");
2268            return -1;
2269        } catch (RuntimeException ex) {
2270            Log.e(TAG, "Runtime exception in load settings");
2271            return -1;
2272        }
2273        return err;
2274    }
2275
2276    /**
2277     * Init function to initialiZe the  ClipSettings reference to
2278     * default values
2279     *
2280     * @param lclipSettings The ClipSettings reference
2281     */
2282    void initClipSettings(ClipSettings lclipSettings) {
2283        lclipSettings.clipPath = null;
2284        lclipSettings.clipDecodedPath = null;
2285        lclipSettings.clipOriginalPath = null;
2286        lclipSettings.fileType = 0;
2287        lclipSettings.endCutTime = 0;
2288        lclipSettings.beginCutTime = 0;
2289        lclipSettings.beginCutPercent = 0;
2290        lclipSettings.endCutPercent = 0;
2291        lclipSettings.panZoomEnabled = false;
2292        lclipSettings.panZoomPercentStart = 0;
2293        lclipSettings.panZoomTopLeftXStart = 0;
2294        lclipSettings.panZoomTopLeftYStart = 0;
2295        lclipSettings.panZoomPercentEnd = 0;
2296        lclipSettings.panZoomTopLeftXEnd = 0;
2297        lclipSettings.panZoomTopLeftYEnd = 0;
2298        lclipSettings.mediaRendering = 0;
2299    }
2300
2301
2302    /**
2303     * Populates the settings for generating an effect clip
2304     *
2305     * @param lMediaItem The media item for which the effect clip
2306     * needs to be generated
2307     * @param lclipSettings The ClipSettings reference containing
2308     * clips data
2309     * @param e The EditSettings reference containing effect specific data
2310     * @param uniqueId The unique id used in the name of the output clip
2311     * @param clipNo Used for internal purpose
2312     *
2313     * @return The name and path of generated clip
2314     */
2315    String generateEffectClip(MediaItem lMediaItem, ClipSettings lclipSettings,
2316            EditSettings e,String uniqueId,int clipNo) {
2317        int err = 0;
2318        EditSettings editSettings = null;
2319        String EffectClipPath = null;
2320
2321        editSettings = new EditSettings();
2322
2323        editSettings.clipSettingsArray = new ClipSettings[1];
2324        editSettings.clipSettingsArray[0] = lclipSettings;
2325
2326        editSettings.backgroundMusicSettings = null;
2327        editSettings.transitionSettingsArray = null;
2328        editSettings.effectSettingsArray = e.effectSettingsArray;
2329
2330        EffectClipPath = String.format(mProjectPath + "/" + "ClipEffectIntermediate" + "_"
2331                + lMediaItem.getId() + uniqueId + ".3gp");
2332
2333        File tmpFile = new File(EffectClipPath);
2334        if (tmpFile.exists()) {
2335            tmpFile.delete();
2336        }
2337
2338        if (lMediaItem instanceof MediaVideoItem) {
2339            MediaVideoItem m = (MediaVideoItem)lMediaItem;
2340
2341            editSettings.audioFormat = AudioFormat.AAC;
2342            editSettings.audioChannels = 2;
2343            editSettings.audioBitrate = Bitrate.BR_64_KBPS;
2344            editSettings.audioSamplingFreq = AudioSamplingFrequency.FREQ_32000;
2345
2346            editSettings.videoBitrate = Bitrate.BR_5_MBPS;
2347            //editSettings.videoFormat = VideoFormat.MPEG4;
2348            editSettings.videoFormat = VideoFormat.H264;
2349            editSettings.videoFrameRate = VideoFrameRate.FR_30_FPS;
2350            editSettings.videoFrameSize = findVideoResolution(mVideoEditor.getAspectRatio(),
2351                    m.getHeight());
2352        } else {
2353            MediaImageItem m = (MediaImageItem)lMediaItem;
2354            editSettings.audioBitrate = Bitrate.BR_64_KBPS;
2355            editSettings.audioChannels = 2;
2356            editSettings.audioFormat = AudioFormat.AAC;
2357            editSettings.audioSamplingFreq = AudioSamplingFrequency.FREQ_32000;
2358
2359            editSettings.videoBitrate = Bitrate.BR_5_MBPS;
2360            editSettings.videoFormat = VideoFormat.H264;
2361            editSettings.videoFrameRate = VideoFrameRate.FR_30_FPS;
2362            editSettings.videoFrameSize = findVideoResolution(mVideoEditor.getAspectRatio(),
2363                    m.getScaledHeight());
2364        }
2365
2366        editSettings.outputFile = EffectClipPath;
2367
2368        if (clipNo == 1) {
2369            mProcessingState  = PROCESSING_INTERMEDIATE1;
2370        } else if (clipNo == 2) {
2371            mProcessingState  = PROCESSING_INTERMEDIATE2;
2372        }
2373        mProcessingObject = lMediaItem;
2374        err = generateClip(editSettings);
2375        mProcessingState  = PROCESSING_NONE;
2376
2377        if (err == 0) {
2378            lclipSettings.clipPath = EffectClipPath;
2379            lclipSettings.fileType = FileType.THREE_GPP;
2380            return EffectClipPath;
2381        } else {
2382            throw new RuntimeException("preview generation cannot be completed");
2383        }
2384    }
2385
2386
2387    /**
2388     * Populates the settings for generating a Ken Burn effect clip
2389     *
2390     * @param m The media image item for which the Ken Burn effect clip
2391     * needs to be generated
2392     * @param e The EditSettings reference clip specific data
2393     *
2394     * @return The name and path of generated clip
2395     */
2396    String generateKenBurnsClip(EditSettings e, MediaImageItem m) {
2397        String output = null;
2398        int err = 0;
2399
2400        e.backgroundMusicSettings = null;
2401        e.transitionSettingsArray = null;
2402        e.effectSettingsArray = null;
2403        output = String.format(mProjectPath + "/" + "ImageClip-" + m.getId() + ".3gp");
2404
2405        File tmpFile = new File(output);
2406        if (tmpFile.exists()) {
2407            tmpFile.delete();
2408        }
2409
2410        e.outputFile = output;
2411        e.audioBitrate = Bitrate.BR_64_KBPS;
2412        e.audioChannels = 2;
2413        e.audioFormat = AudioFormat.AAC;
2414        e.audioSamplingFreq = AudioSamplingFrequency.FREQ_32000;
2415
2416        e.videoBitrate = Bitrate.BR_5_MBPS;
2417        e.videoFormat = VideoFormat.H264;
2418        e.videoFrameRate = VideoFrameRate.FR_30_FPS;
2419        e.videoFrameSize = findVideoResolution(mVideoEditor.getAspectRatio(),
2420                                                           m.getScaledHeight());
2421        mProcessingState  = PROCESSING_KENBURNS;
2422        mProcessingObject = m;
2423        err = generateClip(e);
2424        // Reset the processing state and check for errors
2425        mProcessingState  = PROCESSING_NONE;
2426        if (err != 0) {
2427            throw new RuntimeException("preview generation cannot be completed");
2428        }
2429        return output;
2430    }
2431
2432
2433    /**
2434     * Calculates the output resolution for transition clip
2435     *
2436     * @param m1 First media item associated with transition
2437     * @param m2 Second media item associated with transition
2438     *
2439     * @return The transition resolution
2440     */
2441    private int getTransitionResolution(MediaItem m1, MediaItem m2) {
2442        int clip1Height = 0;
2443        int clip2Height = 0;
2444        int videoSize = 0;
2445
2446        if (m1 != null && m2 != null) {
2447            if (m1 instanceof MediaVideoItem) {
2448                clip1Height = m1.getHeight();
2449            } else if (m1 instanceof MediaImageItem) {
2450                clip1Height = ((MediaImageItem)m1).getScaledHeight();
2451            }
2452            if (m2 instanceof MediaVideoItem) {
2453                clip2Height = m2.getHeight();
2454            } else if (m2 instanceof MediaImageItem) {
2455                clip2Height = ((MediaImageItem)m2).getScaledHeight();
2456            }
2457            if (clip1Height > clip2Height) {
2458                videoSize = findVideoResolution(mVideoEditor.getAspectRatio(), clip1Height);
2459            } else {
2460                videoSize = findVideoResolution(mVideoEditor.getAspectRatio(), clip2Height);
2461            }
2462        } else if (m1 == null && m2 != null) {
2463            if (m2 instanceof MediaVideoItem) {
2464                clip2Height = m2.getHeight();
2465            } else if (m2 instanceof MediaImageItem) {
2466                clip2Height = ((MediaImageItem)m2).getScaledHeight();
2467            }
2468            videoSize = findVideoResolution(mVideoEditor.getAspectRatio(), clip2Height);
2469        } else if (m1 != null && m2 == null) {
2470            if (m1 instanceof MediaVideoItem) {
2471                clip1Height = m1.getHeight();
2472            } else if (m1 instanceof MediaImageItem) {
2473                clip1Height = ((MediaImageItem)m1).getScaledHeight();
2474            }
2475            videoSize = findVideoResolution(mVideoEditor.getAspectRatio(), clip1Height);
2476        }
2477        return videoSize;
2478    }
2479
2480    /**
2481     * Populates the settings for generating an transition clip
2482     *
2483     * @param m1 First media item associated with transition
2484     * @param m2 Second media item associated with transition
2485     * @param e The EditSettings reference containing
2486     * clip specific data
2487     * @param uniqueId The unique id used in the name of the output clip
2488     * @param t The Transition specific data
2489     *
2490     * @return The name and path of generated clip
2491     */
2492    String generateTransitionClip(EditSettings e, String uniqueId,
2493            MediaItem m1, MediaItem m2,Transition t) {
2494        String outputFilename = null;
2495        int err = 0;
2496
2497        outputFilename = String.format(mProjectPath + "/" + uniqueId + ".3gp");
2498        e.outputFile = outputFilename;
2499        e.audioBitrate = Bitrate.BR_64_KBPS;
2500        e.audioChannels = 2;
2501        e.audioFormat = AudioFormat.AAC;
2502        e.audioSamplingFreq = AudioSamplingFrequency.FREQ_32000;
2503
2504        e.videoBitrate = Bitrate.BR_5_MBPS;
2505        e.videoFormat = VideoFormat.H264;
2506        e.videoFrameRate = VideoFrameRate.FR_30_FPS;
2507        e.videoFrameSize = getTransitionResolution(m1, m2);
2508
2509        if (new File(outputFilename).exists()) {
2510            new File(outputFilename).delete();
2511        }
2512        mProcessingState  = PROCESSING_INTERMEDIATE3;
2513        mProcessingObject = t;
2514        err = generateClip(e);
2515        // Reset the processing state and check for errors
2516        mProcessingState  = PROCESSING_NONE;
2517        if (err != 0) {
2518            throw new RuntimeException("preview generation cannot be completed");
2519        }
2520        return outputFilename;
2521    }
2522
2523    /**
2524     * Populates effects and overlays in EffectSettings structure
2525     * and also adjust the start time and duration of effects and overlays
2526     * w.r.t to total story board time
2527     *
2528     * @param m1 Media item associated with effect
2529     * @param effectSettings The EffectSettings reference containing
2530     *      effect specific data
2531     * @param beginCutTime The begin cut time of the clip associated with effect
2532     * @param endCutTime The end cut time of the clip associated with effect
2533     * @param storyBoardTime The current story board time
2534     *
2535     * @return The updated index
2536     */
2537    private int populateEffects(MediaItem m, EffectSettings[] effectSettings, int i,
2538            int beginCutTime, int endCutTime, int storyBoardTime) {
2539
2540        if (m.getBeginTransition() != null && m.getBeginTransition().getDuration() > 0
2541                && m.getEndTransition() != null && m.getEndTransition().getDuration() > 0) {
2542            beginCutTime += m.getBeginTransition().getDuration();
2543            endCutTime -= m.getEndTransition().getDuration();
2544        } else if (m.getBeginTransition() == null && m.getEndTransition() != null
2545                && m.getEndTransition().getDuration() > 0) {
2546            endCutTime -= m.getEndTransition().getDuration();
2547        } else if (m.getEndTransition() == null && m.getBeginTransition() != null
2548                && m.getBeginTransition().getDuration() > 0) {
2549            beginCutTime += m.getBeginTransition().getDuration();
2550        }
2551
2552        final List<Effect> effects = m.getAllEffects();
2553        final List<Overlay> overlays = m.getAllOverlays();
2554
2555        for (Overlay overlay : overlays) {
2556            effectSettings[i] = getOverlaySettings((OverlayFrame)overlay);
2557            adjustEffectsStartTimeAndDuration(effectSettings[i], beginCutTime, endCutTime);
2558            effectSettings[i].startTime += storyBoardTime;
2559            i++;
2560        }
2561
2562        for (Effect effect : effects) {
2563            if (effect instanceof EffectColor) {
2564                effectSettings[i] = getEffectSettings((EffectColor)effect);
2565                adjustEffectsStartTimeAndDuration(effectSettings[i], beginCutTime, endCutTime);
2566                effectSettings[i].startTime += storyBoardTime;
2567                i++;
2568            }
2569        }
2570
2571        return i;
2572    }
2573
2574    /**
2575     * Adjusts the media item boundaries for use in export or preview
2576     *
2577     * @param clipSettings The ClipSettings reference
2578     * @param clipProperties The Properties reference
2579     * @param m The media item
2580     */
2581    private void adjustMediaItemBoundary(ClipSettings clipSettings,
2582                                         Properties clipProperties, MediaItem m) {
2583        if (m.getBeginTransition() != null && m.getBeginTransition().getDuration() > 0
2584                && m.getEndTransition() != null && m.getEndTransition().getDuration() > 0) {
2585            clipSettings.beginCutTime += m.getBeginTransition().getDuration();
2586            clipSettings.endCutTime -= m.getEndTransition().getDuration();
2587        } else if (m.getBeginTransition() == null && m.getEndTransition() != null
2588                && m.getEndTransition().getDuration() > 0) {
2589            clipSettings.endCutTime -= m.getEndTransition().getDuration();
2590        } else if (m.getEndTransition() == null && m.getBeginTransition() != null
2591                && m.getBeginTransition().getDuration() > 0) {
2592            clipSettings.beginCutTime += m.getBeginTransition().getDuration();
2593        }
2594
2595        clipProperties.duration = clipSettings.endCutTime - clipSettings.beginCutTime;
2596
2597        if (clipProperties.videoDuration != 0) {
2598            clipProperties.videoDuration = clipSettings.endCutTime - clipSettings.beginCutTime;
2599        }
2600
2601        if (clipProperties.audioDuration != 0) {
2602            clipProperties.audioDuration = clipSettings.endCutTime - clipSettings.beginCutTime;
2603        }
2604    }
2605
2606    /**
2607     * Generates the transition if transition is present
2608     * and is in invalidated state
2609     *
2610     * @param transition The Transition reference
2611     * @param editSettings The EditSettings reference
2612     * @param clipPropertiesArray The clip Properties array
2613     * @param i The index in clip Properties array for current clip
2614     */
2615    private void generateTransition(Transition transition, EditSettings editSettings,
2616            PreviewClipProperties clipPropertiesArray, int index) {
2617        if (!(transition.isGenerated())) {
2618            transition.generate();
2619        }
2620        editSettings.clipSettingsArray[index] = new ClipSettings();
2621        editSettings.clipSettingsArray[index].clipPath = transition.getFilename();
2622        editSettings.clipSettingsArray[index].fileType = FileType.THREE_GPP;
2623        editSettings.clipSettingsArray[index].beginCutTime = 0;
2624        editSettings.clipSettingsArray[index].endCutTime = (int)transition.getDuration();
2625        editSettings.clipSettingsArray[index].mediaRendering = MediaRendering.BLACK_BORDERS;
2626
2627        try {
2628            clipPropertiesArray.clipProperties[index] =
2629                getMediaProperties(transition.getFilename());
2630        } catch (Exception e) {
2631            throw new IllegalArgumentException("Unsupported file or file not found");
2632        }
2633
2634        clipPropertiesArray.clipProperties[index].Id = null;
2635        clipPropertiesArray.clipProperties[index].audioVolumeValue = 100;
2636        clipPropertiesArray.clipProperties[index].duration = (int)transition.getDuration();
2637        if (clipPropertiesArray.clipProperties[index].videoDuration != 0) {
2638            clipPropertiesArray.clipProperties[index].videoDuration = (int)transition.getDuration();
2639        }
2640
2641        if (clipPropertiesArray.clipProperties[index].audioDuration != 0) {
2642            clipPropertiesArray.clipProperties[index].audioDuration = (int)transition.getDuration();
2643        }
2644    }
2645
2646    /**
2647     * Sets the volume for current media item in clip properties array
2648     *
2649     * @param m The media item
2650     * @param clipProperties The clip properties array reference
2651     * @param i The index in clip Properties array for current clip
2652     */
2653    private void adjustVolume(MediaItem m, PreviewClipProperties clipProperties,
2654                              int index) {
2655        if (m instanceof MediaVideoItem) {
2656            final boolean videoMuted = ((MediaVideoItem)m).isMuted();
2657            if (videoMuted == false) {
2658                mClipProperties.clipProperties[index].audioVolumeValue =
2659                    ((MediaVideoItem)m).getVolume();
2660            } else {
2661                mClipProperties.clipProperties[index].audioVolumeValue = 0;
2662            }
2663        } else if (m instanceof MediaImageItem) {
2664            mClipProperties.clipProperties[index].audioVolumeValue = 0;
2665        }
2666    }
2667
2668    /**
2669     * Checks for odd size image width and height
2670     *
2671     * @param m The media item
2672     * @param clipProperties The clip properties array reference
2673     * @param i The index in clip Properties array for current clip
2674     */
2675    private void checkOddSizeImage(MediaItem m, PreviewClipProperties clipProperties, int index) {
2676        if (m instanceof MediaImageItem) {
2677            int width = mClipProperties.clipProperties[index].width;
2678            int height = mClipProperties.clipProperties[index].height;
2679
2680            if ((width % 2) != 0) {
2681                width -= 1;
2682            }
2683            if ((height % 2) != 0) {
2684                height -= 1;
2685            }
2686            mClipProperties.clipProperties[index].width = width;
2687            mClipProperties.clipProperties[index].height = height;
2688        }
2689    }
2690
2691    /**
2692     * Populates the media item properties and calculates the maximum
2693     * height among all the clips
2694     *
2695     * @param m The media item
2696     * @param i The index in clip Properties array for current clip
2697     * @param maxHeight The max height from the clip properties
2698     *
2699     * @return Updates the max height if current clip's height is greater
2700     * than all previous clips height
2701     */
2702    private int populateMediaItemProperties(MediaItem m, int index, int maxHeight) {
2703        mPreviewEditSettings.clipSettingsArray[index] = new ClipSettings();
2704        if (m instanceof MediaVideoItem) {
2705            mPreviewEditSettings.clipSettingsArray[index] =
2706                ((MediaVideoItem)m).getVideoClipProperties();
2707            if (((MediaVideoItem)m).getHeight() > maxHeight) {
2708                maxHeight = ((MediaVideoItem)m).getHeight();
2709            }
2710        } else if (m instanceof MediaImageItem) {
2711            mPreviewEditSettings.clipSettingsArray[index] =
2712                ((MediaImageItem)m).getImageClipProperties();
2713            if (((MediaImageItem)m).getScaledHeight() > maxHeight) {
2714                maxHeight = ((MediaImageItem)m).getScaledHeight();
2715            }
2716        }
2717        /** + Handle the image files here */
2718        if (mPreviewEditSettings.clipSettingsArray[index].fileType == FileType.JPG) {
2719            mPreviewEditSettings.clipSettingsArray[index].clipDecodedPath =
2720                ((MediaImageItem)m).getDecodedImageFileName();
2721
2722            mPreviewEditSettings.clipSettingsArray[index].clipOriginalPath =
2723                         mPreviewEditSettings.clipSettingsArray[index].clipPath;
2724        }
2725        return maxHeight;
2726    }
2727
2728    /**
2729     * Populates the background music track properties
2730     *
2731     * @param mediaBGMList The background music list
2732     *
2733     */
2734    private void populateBackgroundMusicProperties(List<AudioTrack> mediaBGMList) {
2735
2736        if (mediaBGMList.size() == 1) {
2737            mAudioTrack = mediaBGMList.get(0);
2738        } else {
2739            mAudioTrack = null;
2740        }
2741
2742        if (mAudioTrack != null) {
2743            mAudioSettings = new AudioSettings();
2744            Properties mAudioProperties = new Properties();
2745            mAudioSettings.pFile = null;
2746            mAudioSettings.Id = mAudioTrack.getId();
2747            try {
2748                mAudioProperties = getMediaProperties(mAudioTrack.getFilename());
2749            } catch (Exception e) {
2750               throw new IllegalArgumentException("Unsupported file or file not found");
2751            }
2752            mAudioSettings.bRemoveOriginal = false;
2753            mAudioSettings.channels = mAudioProperties.audioChannels;
2754            mAudioSettings.Fs = mAudioProperties.audioSamplingFrequency;
2755            mAudioSettings.loop = mAudioTrack.isLooping();
2756            mAudioSettings.ExtendedFs = 0;
2757            mAudioSettings.pFile = mAudioTrack.getFilename();
2758            mAudioSettings.startMs = mAudioTrack.getStartTime();
2759            mAudioSettings.beginCutTime = mAudioTrack.getBoundaryBeginTime();
2760            mAudioSettings.endCutTime = mAudioTrack.getBoundaryEndTime();
2761            if (mAudioTrack.isMuted()) {
2762                mAudioSettings.volume = 0;
2763            } else {
2764                mAudioSettings.volume = mAudioTrack.getVolume();
2765            }
2766            mAudioSettings.fileType = mAudioProperties.fileType;
2767            mAudioSettings.ducking_lowVolume = mAudioTrack.getDuckedTrackVolume();
2768            mAudioSettings.ducking_threshold = mAudioTrack.getDuckingThreshhold();
2769            mAudioSettings.bInDucking_enable = mAudioTrack.isDuckingEnabled();
2770            mAudioTrackPCMFilePath = String.format(mProjectPath + "/" + AUDIO_TRACK_PCM_FILE);
2771            mAudioSettings.pcmFilePath = mAudioTrackPCMFilePath;
2772
2773            mPreviewEditSettings.backgroundMusicSettings = new BackgroundMusicSettings();
2774            mPreviewEditSettings.backgroundMusicSettings.file = mAudioTrackPCMFilePath;
2775            mPreviewEditSettings.backgroundMusicSettings.fileType = mAudioProperties.fileType;
2776            mPreviewEditSettings.backgroundMusicSettings.insertionTime =
2777                mAudioTrack.getStartTime();
2778            mPreviewEditSettings.backgroundMusicSettings.volumePercent = mAudioTrack.getVolume();
2779            mPreviewEditSettings.backgroundMusicSettings.beginLoop =
2780                mAudioTrack.getBoundaryBeginTime();
2781            mPreviewEditSettings.backgroundMusicSettings.endLoop =
2782                                               mAudioTrack.getBoundaryEndTime();
2783            mPreviewEditSettings.backgroundMusicSettings.enableDucking =
2784                mAudioTrack.isDuckingEnabled();
2785            mPreviewEditSettings.backgroundMusicSettings.duckingThreshold =
2786                mAudioTrack.getDuckingThreshhold();
2787            mPreviewEditSettings.backgroundMusicSettings.lowVolume =
2788                mAudioTrack.getDuckedTrackVolume();
2789            mPreviewEditSettings.backgroundMusicSettings.isLooping = mAudioTrack.isLooping();
2790            mPreviewEditSettings.primaryTrackVolume = 100;
2791            mProcessingState  = PROCESSING_AUDIO_PCM;
2792            mProcessingObject = mAudioTrack;
2793        } else {
2794            mAudioSettings = null;
2795            mPreviewEditSettings.backgroundMusicSettings = null;
2796            mAudioTrackPCMFilePath = null;
2797        }
2798    }
2799
2800    /**
2801     * Calculates all the effects in all the media items
2802     * in media items list
2803     *
2804     * @param mediaItemsList The media item list
2805     *
2806     * @return The total number of effects
2807     *
2808     */
2809    private int getTotalEffects(List<MediaItem> mediaItemsList) {
2810        int totalEffects = 0;
2811        final Iterator<MediaItem> it = mediaItemsList.iterator();
2812        while (it.hasNext()) {
2813            final MediaItem t = it.next();
2814            totalEffects += t.getAllEffects().size();
2815            totalEffects += t.getAllOverlays().size();
2816            final Iterator<Effect> ef = t.getAllEffects().iterator();
2817            while (ef.hasNext()) {
2818                final Effect e = ef.next();
2819                if (e instanceof EffectKenBurns) {
2820                    totalEffects--;
2821                }
2822            }
2823        }
2824        return totalEffects;
2825    }
2826
2827    /**
2828     * This function is responsible for forming clip settings
2829     * array and clip properties array including transition clips
2830     * and effect settings for preview purpose or export.
2831     *
2832     *
2833     * @param mediaItemsList The media item list
2834     * @param mediaTransitionList The transitions list
2835     * @param mediaBGMList The background music list
2836     * @param listener The MediaProcessingProgressListener
2837     *
2838     */
2839    void previewStoryBoard(List<MediaItem> mediaItemsList,
2840            List<Transition> mediaTransitionList, List<AudioTrack> mediaBGMList,
2841            MediaProcessingProgressListener listener) {
2842        if (mInvalidatePreviewArray) {
2843            int previewIndex = 0;
2844            int totalEffects = 0;
2845            int storyBoardTime = 0;
2846            int maxHeight = 0;
2847            int beginCutTime = 0;
2848            int endCutTime = 0;
2849            int effectIndex = 0;
2850            Transition lTransition = null;
2851            MediaItem lMediaItem = null;
2852            mPreviewEditSettings = new EditSettings();
2853            mClipProperties = new PreviewClipProperties();
2854            mTotalClips = 0;
2855
2856            mTotalClips = mediaItemsList.size();
2857            for (Transition transition : mediaTransitionList) {
2858                if (transition.getDuration() > 0) {
2859                    mTotalClips++;
2860                }
2861            }
2862
2863            totalEffects = getTotalEffects(mediaItemsList);
2864
2865            mPreviewEditSettings.clipSettingsArray = new ClipSettings[mTotalClips];
2866            mPreviewEditSettings.effectSettingsArray = new EffectSettings[totalEffects];
2867            mClipProperties.clipProperties = new Properties[mTotalClips];
2868
2869            /** record the call back progress listener */
2870            mMediaProcessingProgressListener = listener;
2871            mProgressToApp = 0;
2872
2873            if (mediaItemsList.size() > 0) {
2874                for (int i = 0; i < mediaItemsList.size(); i++) {
2875                    /* Get the Media Item from the list */
2876                    lMediaItem = mediaItemsList.get(i);
2877                    if (lMediaItem instanceof MediaVideoItem) {
2878                        beginCutTime = (int)((MediaVideoItem)lMediaItem).getBoundaryBeginTime();
2879                        endCutTime = (int)((MediaVideoItem)lMediaItem).getBoundaryEndTime();
2880                    } else if (lMediaItem instanceof MediaImageItem) {
2881                        beginCutTime = 0;
2882                        endCutTime = (int)((MediaImageItem)lMediaItem).getTimelineDuration();
2883                    }
2884                    /* Get the transition associated with Media Item */
2885                    lTransition = lMediaItem.getBeginTransition();
2886                    if (lTransition != null && (lTransition.getDuration() > 0)) {
2887                        /* generate transition clip */
2888                        generateTransition(lTransition, mPreviewEditSettings,
2889                                           mClipProperties, previewIndex);
2890                        storyBoardTime += mClipProperties.clipProperties[previewIndex].duration;
2891                        previewIndex++;
2892                    }
2893                    /* Populate media item properties */
2894                    maxHeight = populateMediaItemProperties(lMediaItem, previewIndex, maxHeight);
2895                    /* Get the clip properties of the media item. */
2896                    if (lMediaItem instanceof MediaImageItem) {
2897                        int tmpCnt = 0;
2898                        boolean bEffectKbPresent = false;
2899                        final List<Effect> effectList = lMediaItem.getAllEffects();
2900                        /**
2901                         * Check if Ken Burns effect is present
2902                         */
2903                        while (tmpCnt < effectList.size()) {
2904                            if (effectList.get(tmpCnt) instanceof EffectKenBurns) {
2905                                bEffectKbPresent = true;
2906                                break;
2907                            }
2908                            tmpCnt++;
2909                        }
2910
2911                        if (bEffectKbPresent) {
2912                            try {
2913                                  if(((MediaImageItem)lMediaItem).getGeneratedImageClip() != null) {
2914                                     mClipProperties.clipProperties[previewIndex]
2915                                        = getMediaProperties(((MediaImageItem)lMediaItem).
2916                                                             getGeneratedImageClip());
2917                                  }
2918                                  else {
2919                                   mClipProperties.clipProperties[previewIndex]
2920                                      = getMediaProperties(((MediaImageItem)lMediaItem).
2921                                                             getScaledImageFileName());
2922                                   mClipProperties.clipProperties[previewIndex].width =
2923                                             ((MediaImageItem)lMediaItem).getScaledWidth();
2924                                   mClipProperties.clipProperties[previewIndex].height =
2925                                             ((MediaImageItem)lMediaItem).getScaledHeight();
2926                                  }
2927                                } catch (Exception e) {
2928                                   throw new IllegalArgumentException("Unsupported file or file not found");
2929                                }
2930                         } else {
2931                              try {
2932                                  mClipProperties.clipProperties[previewIndex]
2933                                      = getMediaProperties(((MediaImageItem)lMediaItem).
2934                                                               getScaledImageFileName());
2935                              } catch (Exception e) {
2936                                throw new IllegalArgumentException("Unsupported file or file not found");
2937                              }
2938                            mClipProperties.clipProperties[previewIndex].width =
2939                                        ((MediaImageItem)lMediaItem).getScaledWidth();
2940                            mClipProperties.clipProperties[previewIndex].height =
2941                                        ((MediaImageItem)lMediaItem).getScaledHeight();
2942                        }
2943                    } else {
2944                        try {
2945                            mClipProperties.clipProperties[previewIndex]
2946                                 = getMediaProperties(lMediaItem.getFilename());
2947                            } catch (Exception e) {
2948                              throw new IllegalArgumentException("Unsupported file or file not found");
2949                          }
2950                    }
2951                    mClipProperties.clipProperties[previewIndex].Id = lMediaItem.getId();
2952                    checkOddSizeImage(lMediaItem, mClipProperties, previewIndex);
2953                    adjustVolume(lMediaItem, mClipProperties, previewIndex);
2954
2955                    /*
2956                     * Adjust media item start time and end time w.r.t to begin
2957                     * and end transitions associated with media item
2958                     */
2959
2960                    adjustMediaItemBoundary(mPreviewEditSettings.clipSettingsArray[previewIndex],
2961                            mClipProperties.clipProperties[previewIndex], lMediaItem);
2962
2963                    /*
2964                     * Get all the effects and overlays for that media item and
2965                     * adjust start time and duration of effects
2966                     */
2967
2968                    effectIndex = populateEffects(lMediaItem,
2969                            mPreviewEditSettings.effectSettingsArray, effectIndex, beginCutTime,
2970                            endCutTime, storyBoardTime);
2971                    storyBoardTime += mClipProperties.clipProperties[previewIndex].duration;
2972                    previewIndex++;
2973
2974                    /* Check if there is any end transition at last media item */
2975
2976                    if (i == (mediaItemsList.size() - 1)) {
2977                        lTransition = lMediaItem.getEndTransition();
2978                        if (lTransition != null && (lTransition.getDuration() > 0)) {
2979                            generateTransition(lTransition, mPreviewEditSettings, mClipProperties,
2980                                    previewIndex);
2981                            break;
2982                        }
2983                    }
2984                }
2985
2986                if (!mErrorFlagSet) {
2987                    mPreviewEditSettings.videoFrameSize = findVideoResolution(mVideoEditor
2988                            .getAspectRatio(), maxHeight);
2989                    populateBackgroundMusicProperties(mediaBGMList);
2990
2991                    /** call to native populate settings */
2992                    try {
2993                        nativePopulateSettings(mPreviewEditSettings, mClipProperties, mAudioSettings);
2994                    } catch (IllegalArgumentException ex) {
2995                        Log.e(TAG, "Illegal argument exception in nativePopulateSettings");
2996                        throw ex;
2997                    } catch (IllegalStateException ex) {
2998                        Log.e(TAG, "Illegal state exception in nativePopulateSettings");
2999                        throw ex;
3000                    } catch (RuntimeException ex) {
3001                        Log.e(TAG, "Runtime exception in nativePopulateSettings");
3002                        throw ex;
3003                    }
3004                    mInvalidatePreviewArray = false;
3005                    mProcessingState  = PROCESSING_NONE;
3006                }
3007            }
3008            if (mErrorFlagSet) {
3009                mErrorFlagSet = false;
3010                throw new RuntimeException("preview generation cannot be completed");
3011            }
3012        }
3013    } /* END of previewStoryBoard */
3014
3015    /**
3016     * This function is responsible for starting the preview
3017     *
3018     *
3019     * @param surface The surface on which preview has to be displayed
3020     * @param fromMs The time in ms from which preview has to be started
3021     * @param toMs The time in ms till preview has to be played
3022     * @param loop To loop the preview or not
3023     * @param callbackAfterFrameCount INdicated after how many frames
3024     * the callback is needed
3025     * @param listener The PreviewProgressListener
3026     */
3027    void doPreview(Surface surface, long fromMs, long toMs, boolean loop,
3028            int callbackAfterFrameCount, PreviewProgressListener listener) {
3029        mPreviewProgress = fromMs;
3030        mIsFirstProgress = true;
3031        mPreviewProgressListener = listener;
3032
3033        if (!mInvalidatePreviewArray) {
3034            try {
3035                /** Modify the image files names to rgb image files. */
3036                for (int clipCnt = 0; clipCnt < mPreviewEditSettings.clipSettingsArray.length;
3037                    clipCnt++) {
3038                    if (mPreviewEditSettings.clipSettingsArray[clipCnt].fileType == FileType.JPG) {
3039                        mPreviewEditSettings.clipSettingsArray[clipCnt].clipPath =
3040                            mPreviewEditSettings.clipSettingsArray[clipCnt].clipDecodedPath;
3041                    }
3042                }
3043                nativePopulateSettings(mPreviewEditSettings, mClipProperties, mAudioSettings);
3044                nativeStartPreview(surface, fromMs, toMs, callbackAfterFrameCount, loop);
3045            } catch (IllegalArgumentException ex) {
3046                Log.e(TAG, "Illegal argument exception in nativeStartPreview");
3047                throw ex;
3048            } catch (IllegalStateException ex) {
3049                Log.e(TAG, "Illegal state exception in nativeStartPreview");
3050                throw ex;
3051            } catch (RuntimeException ex) {
3052                Log.e(TAG, "Runtime exception in nativeStartPreview");
3053                throw ex;
3054            }
3055        } else {
3056            throw new IllegalStateException("generatePreview is in progress");
3057        }
3058    }
3059
3060    /**
3061     * This function is responsible for stopping the preview
3062     */
3063    long stopPreview() {
3064        return nativeStopPreview();
3065    }
3066
3067    /**
3068     * This function is responsible for rendering a single frame
3069     * from the complete story board on the surface
3070     *
3071     * @param surface The surface on which frame has to be rendered
3072     * @param time The time in ms at which the frame has to be rendered
3073     * @param surfaceWidth The surface width
3074     * @param surfaceHeight The surface height
3075     * @param overlayData The overlay data
3076     *
3077     * @return The actual time from the story board at which the  frame was extracted
3078     * and rendered
3079     */
3080    long renderPreviewFrame(Surface surface, long time, int surfaceWidth,
3081            int surfaceHeight, VideoEditor.OverlayData overlayData) {
3082        if (mInvalidatePreviewArray) {
3083            if (Log.isLoggable(TAG, Log.DEBUG)) {
3084                Log.d(TAG, "Call generate preview first");
3085            }
3086            throw new IllegalStateException("Call generate preview first");
3087        }
3088
3089        long timeMs = 0;
3090        try {
3091            for (int clipCnt = 0; clipCnt < mPreviewEditSettings.clipSettingsArray.length;
3092                  clipCnt++) {
3093                if (mPreviewEditSettings.clipSettingsArray[clipCnt].fileType == FileType.JPG) {
3094                    mPreviewEditSettings.clipSettingsArray[clipCnt].clipPath =
3095                        mPreviewEditSettings.clipSettingsArray[clipCnt].clipDecodedPath;
3096                }
3097            }
3098
3099            // Reset the render preview frame params that shall be set by native.
3100            mRenderPreviewOverlayFile = null;
3101            mRenderPreviewRenderingMode = MediaRendering.RESIZING;
3102
3103            nativePopulateSettings(mPreviewEditSettings, mClipProperties, mAudioSettings);
3104
3105            timeMs = (long)nativeRenderPreviewFrame(surface, time, surfaceWidth, surfaceHeight);
3106
3107            if (mRenderPreviewOverlayFile != null) {
3108                overlayData.set(BitmapFactory.decodeFile(mRenderPreviewOverlayFile),
3109                        mRenderPreviewRenderingMode);
3110            } else {
3111                overlayData.setClear();
3112            }
3113        } catch (IllegalArgumentException ex) {
3114            Log.e(TAG, "Illegal Argument exception in nativeRenderPreviewFrame");
3115            throw ex;
3116        } catch (IllegalStateException ex) {
3117            Log.e(TAG, "Illegal state exception in nativeRenderPreviewFrame");
3118            throw ex;
3119        } catch (RuntimeException ex) {
3120            Log.e(TAG, "Runtime exception in nativeRenderPreviewFrame");
3121            throw ex;
3122        }
3123
3124        return timeMs;
3125    }
3126
3127    private void previewFrameEditInfo(String filename, int renderingMode) {
3128        mRenderPreviewOverlayFile = filename;
3129        mRenderPreviewRenderingMode = renderingMode;
3130    }
3131
3132
3133    /**
3134     * This function is responsible for rendering a single frame
3135     * from a single media item on the surface
3136     *
3137     * @param surface The surface on which frame has to be rendered
3138     * @param filepath The file path for which the frame needs to be displayed
3139     * @param time The time in ms at which the frame has to be rendered
3140     * @param framewidth The frame width
3141     * @param framewidth The frame height
3142     *
3143     * @return The actual time from media item at which the  frame was extracted
3144     * and rendered
3145     */
3146    long renderMediaItemPreviewFrame(Surface surface, String filepath,
3147                                            long time, int framewidth, int frameheight) {
3148        long timeMs = 0;
3149        try {
3150            timeMs = (long)nativeRenderMediaItemPreviewFrame(surface, filepath, framewidth,
3151                    frameheight, 0, 0, time);
3152        } catch (IllegalArgumentException ex) {
3153            Log.e(TAG, "Illegal Argument exception in renderMediaItemPreviewFrame");
3154            throw ex;
3155        } catch (IllegalStateException ex) {
3156            Log.e(TAG, "Illegal state exception in renderMediaItemPreviewFrame");
3157            throw ex;
3158        } catch (RuntimeException ex) {
3159            Log.e(TAG, "Runtime exception in renderMediaItemPreviewFrame");
3160            throw ex;
3161        }
3162
3163        return timeMs;
3164    }
3165
3166    /**
3167     * This function sets the flag to invalidate the preview array
3168     * and for generating the preview again
3169     */
3170    void setGeneratePreview(boolean isRequired) {
3171        boolean semAcquiredDone = false;
3172        try {
3173            lock();
3174            semAcquiredDone = true;
3175            mInvalidatePreviewArray = isRequired;
3176        } catch (InterruptedException ex) {
3177            Log.e(TAG, "Runtime exception in renderMediaItemPreviewFrame");
3178        } finally {
3179            if (semAcquiredDone) {
3180                unlock();
3181            }
3182        }
3183    }
3184
3185    /**
3186     * @return Returns the current status of preview invalidation
3187     * flag
3188     */
3189    boolean getGeneratePreview() {
3190        return mInvalidatePreviewArray;
3191    }
3192
3193    /**
3194     * Calculates the aspect ratio from widht and height
3195     *
3196     * @param w The width of media item
3197     * @param h The height of media item
3198     *
3199     * @return The calculated aspect ratio
3200     */
3201    int getAspectRatio(int w, int h) {
3202        double apRatio = (double)(w) / (double)(h);
3203        BigDecimal bd = new BigDecimal(apRatio);
3204        bd = bd.setScale(3, BigDecimal.ROUND_HALF_UP);
3205        apRatio = bd.doubleValue();
3206        int var = MediaProperties.ASPECT_RATIO_16_9;
3207        if (apRatio >= 1.7) {
3208            var = MediaProperties.ASPECT_RATIO_16_9;
3209        } else if (apRatio >= 1.6) {
3210            var = MediaProperties.ASPECT_RATIO_5_3;
3211        } else if (apRatio >= 1.5) {
3212            var = MediaProperties.ASPECT_RATIO_3_2;
3213        } else if (apRatio > 1.3) {
3214            var = MediaProperties.ASPECT_RATIO_4_3;
3215        } else if (apRatio >= 1.2) {
3216            var = MediaProperties.ASPECT_RATIO_11_9;
3217        }
3218        return var;
3219    }
3220
3221    /**
3222     * Maps the file type used in native layer
3223     * to file type used in JAVA layer
3224     *
3225     * @param fileType The file type in native layer
3226     *
3227     * @return The File type in JAVA layer
3228     */
3229    int getFileType(int fileType) {
3230        int retValue = -1;
3231        switch (fileType) {
3232            case FileType.UNSUPPORTED:
3233                retValue = MediaProperties.FILE_UNSUPPORTED;
3234                break;
3235            case FileType.THREE_GPP:
3236                retValue = MediaProperties.FILE_3GP;
3237                break;
3238            case FileType.MP4:
3239                retValue = MediaProperties.FILE_MP4;
3240                break;
3241            case FileType.JPG:
3242                retValue = MediaProperties.FILE_JPEG;
3243                break;
3244            case FileType.PNG:
3245                retValue = MediaProperties.FILE_PNG;
3246                break;
3247            case FileType.MP3:
3248                retValue = MediaProperties.FILE_MP3;
3249                break;
3250            case FileType.M4V:
3251                retValue = MediaProperties.FILE_M4V;
3252                break;
3253
3254            default:
3255                retValue = -1;
3256        }
3257        return retValue;
3258    }
3259
3260    /**
3261     * Maps the video codec type used in native layer
3262     * to video codec type used in JAVA layer
3263     *
3264     * @param codecType The video codec type in native layer
3265     *
3266     * @return The video codec type in JAVA layer
3267     */
3268    int getVideoCodecType(int codecType) {
3269        int retValue = -1;
3270        switch (codecType) {
3271            case VideoFormat.H263:
3272                retValue = MediaProperties.VCODEC_H263;
3273                break;
3274            case VideoFormat.H264:
3275                retValue = MediaProperties.VCODEC_H264BP;
3276                break;
3277            case VideoFormat.MPEG4:
3278                retValue = MediaProperties.VCODEC_MPEG4;
3279                break;
3280            case VideoFormat.UNSUPPORTED:
3281
3282            default:
3283                retValue = -1;
3284        }
3285        return retValue;
3286    }
3287
3288    /**
3289     * Maps the audio codec type used in native layer
3290     * to audio codec type used in JAVA layer
3291     *
3292     * @param audioType The audio codec type in native layer
3293     *
3294     * @return The audio codec type in JAVA layer
3295     */
3296    int getAudioCodecType(int codecType) {
3297        int retValue = -1;
3298        switch (codecType) {
3299            case AudioFormat.AMR_NB:
3300                retValue = MediaProperties.ACODEC_AMRNB;
3301                break;
3302            case AudioFormat.AAC:
3303                retValue = MediaProperties.ACODEC_AAC_LC;
3304                break;
3305            case AudioFormat.MP3:
3306                retValue = MediaProperties.ACODEC_MP3;
3307                break;
3308
3309            default:
3310                retValue = -1;
3311        }
3312        return retValue;
3313    }
3314
3315    /**
3316     * Returns the frame rate as integer
3317     *
3318     * @param fps The fps as enum
3319     *
3320     * @return The frame rate as integer
3321     */
3322    int getFrameRate(int fps) {
3323        int retValue = -1;
3324        switch (fps) {
3325            case VideoFrameRate.FR_5_FPS:
3326                retValue = 5;
3327                break;
3328            case VideoFrameRate.FR_7_5_FPS:
3329                retValue = 8;
3330                break;
3331            case VideoFrameRate.FR_10_FPS:
3332                retValue = 10;
3333                break;
3334            case VideoFrameRate.FR_12_5_FPS:
3335                retValue = 13;
3336                break;
3337            case VideoFrameRate.FR_15_FPS:
3338                retValue = 15;
3339                break;
3340            case VideoFrameRate.FR_20_FPS:
3341                retValue = 20;
3342                break;
3343            case VideoFrameRate.FR_25_FPS:
3344                retValue = 25;
3345                break;
3346            case VideoFrameRate.FR_30_FPS:
3347                retValue = 30;
3348                break;
3349
3350            default:
3351                retValue = -1;
3352        }
3353        return retValue;
3354    }
3355
3356    /**
3357     * Maps the file type used in JAVA layer
3358     * to file type used in native layer
3359     *
3360     * @param fileType The file type in JAVA layer
3361     *
3362     * @return The File type in native layer
3363     */
3364    int getMediaItemFileType(int fileType) {
3365        int retValue = -1;
3366
3367        switch (fileType) {
3368            case MediaProperties.FILE_UNSUPPORTED:
3369                retValue = FileType.UNSUPPORTED;
3370                break;
3371            case MediaProperties.FILE_3GP:
3372                retValue = FileType.THREE_GPP;
3373                break;
3374            case MediaProperties.FILE_MP4:
3375                retValue = FileType.MP4;
3376                break;
3377            case MediaProperties.FILE_JPEG:
3378                retValue = FileType.JPG;
3379                break;
3380            case MediaProperties.FILE_PNG:
3381                retValue = FileType.PNG;
3382                break;
3383            case MediaProperties.FILE_M4V:
3384                retValue = FileType.M4V;
3385                break;
3386
3387            default:
3388                retValue = -1;
3389        }
3390        return retValue;
3391
3392    }
3393
3394    /**
3395     * Maps the rendering mode used in native layer
3396     * to rendering mode used in JAVA layer
3397     *
3398     * @param renderingMode The rendering mode in JAVA layer
3399     *
3400     * @return The rendering mode in native layer
3401     */
3402    int getMediaItemRenderingMode(int renderingMode) {
3403        int retValue = -1;
3404        switch (renderingMode) {
3405            case MediaItem.RENDERING_MODE_BLACK_BORDER:
3406                retValue = MediaRendering.BLACK_BORDERS;
3407                break;
3408            case MediaItem.RENDERING_MODE_STRETCH:
3409                retValue = MediaRendering.RESIZING;
3410                break;
3411            case MediaItem.RENDERING_MODE_CROPPING:
3412                retValue = MediaRendering.CROPPING;
3413                break;
3414
3415            default:
3416                retValue = -1;
3417        }
3418        return retValue;
3419    }
3420
3421    /**
3422     * Maps the transition behavior used in JAVA layer
3423     * to transition behavior used in native layer
3424     *
3425     * @param transitionType The transition behavior in JAVA layer
3426     *
3427     * @return The transition behavior in native layer
3428     */
3429    int getVideoTransitionBehaviour(int transitionType) {
3430        int retValue = -1;
3431        switch (transitionType) {
3432            case Transition.BEHAVIOR_SPEED_UP:
3433                retValue = TransitionBehaviour.SPEED_UP;
3434                break;
3435            case Transition.BEHAVIOR_SPEED_DOWN:
3436                retValue = TransitionBehaviour.SPEED_DOWN;
3437                break;
3438            case Transition.BEHAVIOR_LINEAR:
3439                retValue = TransitionBehaviour.LINEAR;
3440                break;
3441            case Transition.BEHAVIOR_MIDDLE_SLOW:
3442                retValue = TransitionBehaviour.SLOW_MIDDLE;
3443                break;
3444            case Transition.BEHAVIOR_MIDDLE_FAST:
3445                retValue = TransitionBehaviour.FAST_MIDDLE;
3446                break;
3447
3448            default:
3449                retValue = -1;
3450        }
3451        return retValue;
3452    }
3453
3454    /**
3455     * Maps the transition slide direction used in JAVA layer
3456     * to transition slide direction used in native layer
3457     *
3458     * @param slideDirection The transition slide direction
3459     * in JAVA layer
3460     *
3461     * @return The transition slide direction in native layer
3462     */
3463    int getSlideSettingsDirection(int slideDirection) {
3464        int retValue = -1;
3465        switch (slideDirection) {
3466            case TransitionSliding.DIRECTION_RIGHT_OUT_LEFT_IN:
3467                retValue = SlideDirection.RIGHT_OUT_LEFT_IN;
3468                break;
3469            case TransitionSliding.DIRECTION_LEFT_OUT_RIGHT_IN:
3470                retValue = SlideDirection.LEFT_OUT_RIGTH_IN;
3471                break;
3472            case TransitionSliding.DIRECTION_TOP_OUT_BOTTOM_IN:
3473                retValue = SlideDirection.TOP_OUT_BOTTOM_IN;
3474                break;
3475            case TransitionSliding.DIRECTION_BOTTOM_OUT_TOP_IN:
3476                retValue = SlideDirection.BOTTOM_OUT_TOP_IN;
3477                break;
3478
3479            default:
3480                retValue = -1;
3481        }
3482        return retValue;
3483    }
3484
3485    /**
3486     * Maps the effect color type used in JAVA layer
3487     * to effect color type used in native layer
3488     *
3489     * @param effect The EffectColor reference
3490     *
3491     * @return The color effect value from native layer
3492     */
3493    private int getEffectColorType(EffectColor effect) {
3494        int retValue = -1;
3495        switch (effect.getType()) {
3496            case EffectColor.TYPE_COLOR:
3497                if (effect.getColor() == EffectColor.GREEN) {
3498                    retValue = VideoEffect.GREEN;
3499                } else if (effect.getColor() == EffectColor.PINK) {
3500                    retValue = VideoEffect.PINK;
3501                } else if (effect.getColor() == EffectColor.GRAY) {
3502                    retValue = VideoEffect.BLACK_AND_WHITE;
3503                } else {
3504                    retValue = VideoEffect.COLORRGB16;
3505                }
3506                break;
3507            case EffectColor.TYPE_GRADIENT:
3508                retValue = VideoEffect.GRADIENT;
3509                break;
3510            case EffectColor.TYPE_SEPIA:
3511                retValue = VideoEffect.SEPIA;
3512                break;
3513            case EffectColor.TYPE_NEGATIVE:
3514                retValue = VideoEffect.NEGATIVE;
3515                break;
3516            case EffectColor.TYPE_FIFTIES:
3517                retValue = VideoEffect.FIFTIES;
3518                break;
3519
3520            default:
3521                retValue = -1;
3522        }
3523        return retValue;
3524    }
3525
3526    /**
3527     * Calculates video resolution for output clip
3528     * based on clip's height and aspect ratio of storyboard
3529     *
3530     * @param aspectRatio The aspect ratio of story board
3531     * @param height The height of clip
3532     *
3533     * @return The video resolution
3534     */
3535    private int findVideoResolution(int aspectRatio, int height) {
3536        final Pair<Integer, Integer>[] resolutions;
3537        final Pair<Integer, Integer> maxResolution;
3538        int retValue = VideoFrameSize.SIZE_UNDEFINED;
3539        switch (aspectRatio) {
3540            case MediaProperties.ASPECT_RATIO_3_2:
3541                if (height == MediaProperties.HEIGHT_480)
3542                    retValue = VideoFrameSize.NTSC;
3543                else if (height == MediaProperties.HEIGHT_720)
3544                    retValue = VideoFrameSize.W720p;
3545                break;
3546            case MediaProperties.ASPECT_RATIO_16_9:
3547                if (height == MediaProperties.HEIGHT_480)
3548                    retValue = VideoFrameSize.WVGA16x9;
3549                else if (height == MediaProperties.HEIGHT_720)
3550                    retValue = VideoFrameSize.V720p;
3551                break;
3552            case MediaProperties.ASPECT_RATIO_4_3:
3553                if (height == MediaProperties.HEIGHT_480)
3554                    retValue = VideoFrameSize.VGA;
3555                else if (height == MediaProperties.HEIGHT_720)
3556                    retValue = VideoFrameSize.S720p;
3557                break;
3558            case MediaProperties.ASPECT_RATIO_5_3:
3559                if (height == MediaProperties.HEIGHT_480)
3560                    retValue = VideoFrameSize.WVGA;
3561                break;
3562            case MediaProperties.ASPECT_RATIO_11_9:
3563                if (height == MediaProperties.HEIGHT_144)
3564                    retValue = VideoFrameSize.QCIF;
3565                else if (height == MediaProperties.HEIGHT_288)
3566                    retValue = VideoFrameSize.CIF;
3567                break;
3568        }
3569        if (retValue == VideoFrameSize.SIZE_UNDEFINED) {
3570            resolutions = MediaProperties.getSupportedResolutions(mVideoEditor.getAspectRatio());
3571            // Get the highest resolution
3572            maxResolution = resolutions[resolutions.length - 1];
3573            retValue = findVideoResolution(mVideoEditor.getAspectRatio(), maxResolution.second);
3574        }
3575
3576        return retValue;
3577    }
3578
3579    /**
3580     * This method is responsible for exporting a movie
3581     *
3582     * @param filePath The output file path
3583     * @param projectDir The output project directory
3584     * @param height The height of clip
3585     * @param bitrate The bitrate at which the movie should be exported
3586     * @param mediaItemsList The media items list
3587     * @param mediaTransitionList The transitions list
3588     * @param mediaBGMList The background track list
3589     * @param listener The ExportProgressListener
3590     *
3591     */
3592    void export(String filePath, String projectDir, int height, int bitrate,
3593            List<MediaItem> mediaItemsList, List<Transition> mediaTransitionList,
3594            List<AudioTrack> mediaBGMList, ExportProgressListener listener) {
3595
3596        int outBitrate = 0;
3597        mExportFilename = filePath;
3598        previewStoryBoard(mediaItemsList, mediaTransitionList, mediaBGMList,null);
3599        mExportProgressListener = listener;
3600
3601        mProgressToApp = 0;
3602
3603        switch (bitrate) {
3604            case MediaProperties.BITRATE_28K:
3605                outBitrate = Bitrate.BR_32_KBPS;
3606                break;
3607            case MediaProperties.BITRATE_40K:
3608                outBitrate = Bitrate.BR_48_KBPS;
3609                break;
3610            case MediaProperties.BITRATE_64K:
3611                outBitrate = Bitrate.BR_64_KBPS;
3612                break;
3613            case MediaProperties.BITRATE_96K:
3614                outBitrate = Bitrate.BR_96_KBPS;
3615                break;
3616            case MediaProperties.BITRATE_128K:
3617                outBitrate = Bitrate.BR_128_KBPS;
3618                break;
3619            case MediaProperties.BITRATE_192K:
3620                outBitrate = Bitrate.BR_192_KBPS;
3621                break;
3622            case MediaProperties.BITRATE_256K:
3623                outBitrate = Bitrate.BR_256_KBPS;
3624                break;
3625            case MediaProperties.BITRATE_384K:
3626                outBitrate = Bitrate.BR_384_KBPS;
3627                break;
3628            case MediaProperties.BITRATE_512K:
3629                outBitrate = Bitrate.BR_512_KBPS;
3630                break;
3631            case MediaProperties.BITRATE_800K:
3632                outBitrate = Bitrate.BR_800_KBPS;
3633                break;
3634            case MediaProperties.BITRATE_2M:
3635                outBitrate = Bitrate.BR_2_MBPS;
3636                break;
3637
3638            case MediaProperties.BITRATE_5M:
3639                outBitrate = Bitrate.BR_5_MBPS;
3640                break;
3641            case MediaProperties.BITRATE_8M:
3642                outBitrate = Bitrate.BR_8_MBPS;
3643                break;
3644
3645            default:
3646                throw new IllegalArgumentException("Argument Bitrate incorrect");
3647        }
3648        mPreviewEditSettings.videoFrameRate = VideoFrameRate.FR_30_FPS;
3649        mPreviewEditSettings.outputFile = mOutputFilename = filePath;
3650
3651        int aspectRatio = mVideoEditor.getAspectRatio();
3652        mPreviewEditSettings.videoFrameSize = findVideoResolution(aspectRatio, height);
3653        mPreviewEditSettings.videoFormat = VideoFormat.H264;
3654        mPreviewEditSettings.audioFormat = AudioFormat.AAC;
3655        mPreviewEditSettings.audioSamplingFreq = AudioSamplingFrequency.FREQ_32000;
3656        mPreviewEditSettings.maxFileSize = 0;
3657        mPreviewEditSettings.audioChannels = 2;
3658        mPreviewEditSettings.videoBitrate = outBitrate;
3659        mPreviewEditSettings.audioBitrate = Bitrate.BR_96_KBPS;
3660
3661        mPreviewEditSettings.transitionSettingsArray = new TransitionSettings[mTotalClips - 1];
3662        for (int index = 0; index < mTotalClips - 1; index++) {
3663            mPreviewEditSettings.transitionSettingsArray[index] = new TransitionSettings();
3664            mPreviewEditSettings.transitionSettingsArray[index].videoTransitionType =
3665                VideoTransition.NONE;
3666            mPreviewEditSettings.transitionSettingsArray[index].audioTransitionType =
3667                AudioTransition.NONE;
3668        }
3669
3670        for (int clipCnt = 0; clipCnt < mPreviewEditSettings.clipSettingsArray.length; clipCnt++) {
3671            if (mPreviewEditSettings.clipSettingsArray[clipCnt].fileType == FileType.JPG) {
3672                mPreviewEditSettings.clipSettingsArray[clipCnt].clipPath =
3673                mPreviewEditSettings.clipSettingsArray[clipCnt].clipOriginalPath;
3674            }
3675        }
3676        nativePopulateSettings(mPreviewEditSettings, mClipProperties, mAudioSettings);
3677
3678        int err = 0;
3679        try {
3680            mProcessingState  = PROCESSING_EXPORT;
3681            mProcessingObject = null;
3682            err = generateClip(mPreviewEditSettings);
3683            mProcessingState  = PROCESSING_NONE;
3684        } catch (IllegalArgumentException ex) {
3685            Log.e(TAG, "IllegalArgument for generateClip");
3686            throw ex;
3687        } catch (IllegalStateException ex) {
3688            Log.e(TAG, "IllegalStateExceptiont for generateClip");
3689            throw ex;
3690        } catch (RuntimeException ex) {
3691            Log.e(TAG, "RuntimeException for generateClip");
3692            throw ex;
3693        }
3694
3695        if (err != 0) {
3696            Log.e(TAG, "RuntimeException for generateClip");
3697            throw new RuntimeException("generateClip failed with error=" + err);
3698        }
3699
3700        mExportProgressListener = null;
3701    }
3702
3703    /**
3704     * This methods takes care of stopping the Export process
3705     *
3706     * @param The input file name for which export has to be stopped
3707     */
3708    void stop(String filename) {
3709        try {
3710            stopEncoding();
3711            new File(mExportFilename).delete();
3712        } catch (IllegalStateException ex) {
3713            Log.e(TAG, "Illegal state exception in unload settings");
3714            throw ex;
3715        } catch (RuntimeException ex) {
3716            Log.e(TAG, "Runtime exception in unload settings");
3717            throw ex;
3718        }
3719    }
3720
3721    /**
3722     * This method extracts a frame from the input file
3723     * and returns the frame as a bitmap
3724     *
3725     * @param inputFile The inputFile
3726     * @param width The width of the output frame
3727     * @param height The height of the output frame
3728     * @param timeMS The time in ms at which the frame has to be extracted
3729     */
3730    Bitmap getPixels(String inputFile, int width, int height, long timeMS) {
3731        if (inputFile == null) {
3732            throw new IllegalArgumentException("Invalid input file");
3733        }
3734
3735        /* Make width and height as even */
3736        final int newWidth = (width + 1) & 0xFFFFFFFE;
3737        final int newHeight = (height + 1) & 0xFFFFFFFE;
3738
3739        /* Create a temp bitmap for resized thumbnails */
3740        Bitmap tempBitmap = null;
3741        if ((newWidth != width) || (newHeight != height)) {
3742             tempBitmap = Bitmap.createBitmap(newWidth, newHeight, Bitmap.Config.ARGB_8888);
3743        }
3744
3745        IntBuffer rgb888 = IntBuffer.allocate(newWidth * newHeight * 4);
3746        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
3747        nativeGetPixels(inputFile, rgb888.array(), newWidth, newHeight, timeMS);
3748
3749        if ((newWidth == width) && (newHeight == height)) {
3750            bitmap.copyPixelsFromBuffer(rgb888);
3751        } else {
3752            /* Create a temp bitmap to be used for resize */
3753            tempBitmap.copyPixelsFromBuffer(rgb888);
3754
3755            /* Create a canvas to resize */
3756            final Canvas canvas = new Canvas(bitmap);
3757            canvas.drawBitmap(tempBitmap, new Rect(0, 0, newWidth, newHeight),
3758                                          new Rect(0, 0, width, height), sResizePaint);
3759        }
3760
3761        if (tempBitmap != null) {
3762            tempBitmap.recycle();
3763        }
3764
3765        return bitmap;
3766    }
3767
3768    /**
3769     * This method extracts a list of frame from the
3770     * input file and returns the frame in bitmap array
3771     *
3772     * @param filename The inputFile
3773     * @param width The width of the output frame
3774     * @param height The height of the output frame
3775     * @param startMs The starting time in ms
3776     * @param endMs The end time in ms
3777     * @param thumbnailCount The number of frames to be extracted
3778     * from startMs to endMs
3779     *
3780     * @return The frames as bitmaps in bitmap array
3781     **/
3782    Bitmap[] getPixelsList(String filename, int width, int height, long startMs, long endMs,
3783            int thumbnailCount) {
3784        int[] rgb888 = null;
3785        int thumbnailSize = 0;
3786        Bitmap tempBitmap = null;
3787
3788        /* Make width and height as even */
3789        final int newWidth = (width + 1) & 0xFFFFFFFE;
3790        final int newHeight = (height + 1) & 0xFFFFFFFE;
3791        thumbnailSize = newWidth * newHeight * 4;
3792
3793        /* Create a temp bitmap for resized thumbnails */
3794        if ((newWidth != width) || (newHeight != height)) {
3795            tempBitmap = Bitmap.createBitmap(newWidth, newHeight, Bitmap.Config.ARGB_8888);
3796        }
3797        int i = 0;
3798        int deltaTime = (int)(endMs - startMs) / thumbnailCount;
3799        Bitmap[] bitmaps = null;
3800
3801        try {
3802            // This may result in out of Memory Error
3803            rgb888 = new int[thumbnailSize * thumbnailCount];
3804            bitmaps = new Bitmap[thumbnailCount];
3805        } catch (Throwable e) {
3806            // Allocating to new size with Fixed count
3807            try {
3808                rgb888 = new int[thumbnailSize * MAX_THUMBNAIL_PERMITTED];
3809                bitmaps = new Bitmap[MAX_THUMBNAIL_PERMITTED];
3810                thumbnailCount = MAX_THUMBNAIL_PERMITTED;
3811            } catch (Throwable ex) {
3812                throw new RuntimeException("Memory allocation fails, thumbnail count too large: "
3813                        + thumbnailCount);
3814            }
3815        }
3816        IntBuffer tmpBuffer = IntBuffer.allocate(thumbnailSize);
3817        nativeGetPixelsList(filename, rgb888, newWidth, newHeight, deltaTime, thumbnailCount,
3818                startMs, endMs);
3819
3820        for (; i < thumbnailCount; i++) {
3821            bitmaps[i] = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
3822            tmpBuffer.put(rgb888, (i * thumbnailSize), thumbnailSize);
3823            tmpBuffer.rewind();
3824
3825            if ((newWidth == width) && (newHeight == height)) {
3826                bitmaps[i].copyPixelsFromBuffer(tmpBuffer);
3827            } else {
3828                /* Copy the out rgb buffer to temp bitmap */
3829                tempBitmap.copyPixelsFromBuffer(tmpBuffer);
3830
3831                /* Create a canvas to resize */
3832                final Canvas canvas = new Canvas(bitmaps[i]);
3833                canvas.drawBitmap(tempBitmap, new Rect(0, 0, newWidth, newHeight),
3834                                              new Rect(0, 0, width, height), sResizePaint);
3835            }
3836        }
3837
3838        if (tempBitmap != null) {
3839            tempBitmap.recycle();
3840        }
3841
3842        return bitmaps;
3843    }
3844
3845    /**
3846     * This method generates the audio graph
3847     *
3848     * @param uniqueId The unique id
3849     * @param inFileName The inputFile
3850     * @param OutAudiGraphFileName output filename
3851     * @param frameDuration The each frame duration
3852     * @param audioChannels The number of audio channels
3853     * @param samplesCount Total number of samples count
3854     * @param listener ExtractAudioWaveformProgressListener reference
3855     * @param isVideo The flag to indicate if the file is video file or not
3856     *
3857     **/
3858    void generateAudioGraph(String uniqueId, String inFileName, String OutAudiGraphFileName,
3859            int frameDuration, int audioChannels, int samplesCount,
3860            ExtractAudioWaveformProgressListener listener, boolean isVideo) {
3861        String tempPCMFileName;
3862
3863        mExtractAudioWaveformProgressListener = listener;
3864
3865        /**
3866         * In case of Video, first call will generate the PCM file to make the
3867         * audio graph
3868         */
3869        if (isVideo) {
3870            tempPCMFileName = String.format(mProjectPath + "/" + uniqueId + ".pcm");
3871        } else {
3872            tempPCMFileName = mAudioTrackPCMFilePath;
3873        }
3874
3875        /**
3876         * For Video item, generate the PCM
3877         */
3878        if (isVideo) {
3879            nativeGenerateRawAudio(inFileName, tempPCMFileName);
3880        }
3881
3882        nativeGenerateAudioGraph(tempPCMFileName, OutAudiGraphFileName, frameDuration,
3883                audioChannels, samplesCount);
3884
3885        /**
3886         * Once the audio graph file is generated, delete the pcm file
3887         */
3888        if (isVideo) {
3889            new File(tempPCMFileName).delete();
3890        }
3891    }
3892
3893    void clearPreviewSurface(Surface surface) {
3894        nativeClearSurface(surface);
3895    }
3896
3897    /**
3898     * Grab the semaphore which arbitrates access to the editor
3899     *
3900     * @throws InterruptedException
3901     */
3902    private void lock() throws InterruptedException {
3903        if (Log.isLoggable(TAG, Log.DEBUG)) {
3904            Log.d(TAG, "lock: grabbing semaphore", new Throwable());
3905        }
3906        mLock.acquire();
3907        if (Log.isLoggable(TAG, Log.DEBUG)) {
3908            Log.d(TAG, "lock: grabbed semaphore");
3909        }
3910    }
3911
3912    /**
3913     * Release the semaphore which arbitrates access to the editor
3914     */
3915    private void unlock() {
3916        if (Log.isLoggable(TAG, Log.DEBUG)) {
3917            Log.d(TAG, "unlock: releasing semaphore");
3918        }
3919        mLock.release();
3920    }
3921
3922    /**     Native Methods        */
3923    native Properties getMediaProperties(String file) throws IllegalArgumentException,
3924            IllegalStateException, RuntimeException, Exception;
3925
3926    /**
3927     * Get the version of ManualEdit.
3928     *
3929     * @return version of ManualEdit
3930     * @throws RuntimeException if an error occurred
3931     * @see Version
3932     */
3933    private static native Version getVersion() throws RuntimeException;
3934
3935    /**
3936     * Returns the video thumbnail in an array of integers. Output format is
3937     * ARGB8888.
3938     *
3939     * @param pixelArray the array that receives the pixel values
3940     * @param width width of the video thumbnail
3941     * @param height height of the video thumbnail
3942     * @param timeMS desired time of the thumbnail in ms
3943     * @return actual time in ms of the thumbnail generated
3944     * @throws IllegalStateException if the class has not been initialized
3945     * @throws IllegalArgumentException if the pixelArray is not available or
3946     *             one of the dimensions is negative or zero or the time is
3947     *             negative
3948     * @throws RuntimeException on runtime errors in native code
3949     */
3950    private native int nativeGetPixels(String fileName, int[] pixelArray, int width, int height,
3951            long timeMS);
3952
3953    private native int nativeGetPixelsList(String fileName, int[] pixelArray, int width, int height,
3954            int timeMS, int nosofTN, long startTimeMs, long endTimeMs);
3955
3956    /**
3957     * Releases the JNI and cleans up the core native module.. Should be called
3958     * only after init( )
3959     *
3960     * @throws IllegalStateException if the method could not be called
3961     */
3962    private native void release() throws IllegalStateException, RuntimeException;
3963
3964    /*
3965     * Clear the preview surface
3966     */
3967    private native void nativeClearSurface(Surface surface);
3968
3969    /**
3970     * Stops the encoding. This method should only be called after encoding has
3971     * started using method <code> startEncoding</code>
3972     *
3973     * @throws IllegalStateException if the method could not be called
3974     */
3975    private native void stopEncoding() throws IllegalStateException, RuntimeException;
3976
3977
3978    private native void _init(String tempPath, String libraryPath)
3979            throws IllegalArgumentException, IllegalStateException, RuntimeException;
3980
3981    private native void nativeStartPreview(Surface mSurface, long fromMs, long toMs,
3982            int callbackAfterFrameCount, boolean loop) throws IllegalArgumentException,
3983            IllegalStateException, RuntimeException;
3984
3985    private native void nativePopulateSettings(EditSettings editSettings,
3986            PreviewClipProperties mProperties, AudioSettings mAudioSettings)
3987    throws IllegalArgumentException, IllegalStateException, RuntimeException;
3988
3989    private native int nativeRenderPreviewFrame(Surface mSurface, long timeMs,
3990                                                 int surfaceWidth, int surfaceHeight)
3991                                                 throws IllegalArgumentException,
3992                                                 IllegalStateException, RuntimeException;
3993
3994    private native int nativeRenderMediaItemPreviewFrame(Surface mSurface, String filepath,
3995            int framewidth, int frameheight, int surfacewidth, int surfaceheight, long timeMs)
3996    throws IllegalArgumentException, IllegalStateException, RuntimeException;
3997
3998    private native int nativeStopPreview();
3999
4000    private native int nativeGenerateAudioGraph(String pcmFilePath, String outGraphPath,
4001            int frameDuration, int channels, int sampleCount);
4002
4003    private native int nativeGenerateRawAudio(String InFileName, String PCMFileName);
4004
4005    private native int nativeGenerateClip(EditSettings editSettings)
4006    throws IllegalArgumentException, IllegalStateException, RuntimeException;
4007
4008}
4009