VideoEditorVideoEncoder.cpp revision 3b25fdc4a33b53cfcf67315c2d42ad699b8cefe2 
1/*
2 * Copyright (C) 2011 NXP Software
3 * Copyright (C) 2011 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17/**
18*************************************************************************
19* @file   VideoEditorVideoEncoder.cpp
20* @brief  StageFright shell video encoder
21*************************************************************************
22*/
23#define LOG_NDEBUG 1
24#define LOG_TAG "VIDEOEDITOR_VIDEOENCODER"
25
26/*******************
27 *     HEADERS     *
28 *******************/
29#include "M4OSA_Debug.h"
30#include "M4SYS_AccessUnit.h"
31#include "VideoEditorVideoEncoder.h"
32#include "VideoEditorUtils.h"
33
34#include "utils/Log.h"
35#include <media/stagefright/MediaSource.h>
36#include <media/stagefright/MediaDebug.h>
37#include <media/stagefright/MediaDefs.h>
38#include <media/stagefright/MetaData.h>
39#include <media/stagefright/OMXClient.h>
40#include <media/stagefright/OMXCodec.h>
41#include "OMX_Video.h"
42
43/********************
44 *   DEFINITIONS    *
45 ********************/
46
47// Minimum number of buffer in the source in order to allow encoding
48#define VIDEOEDITOR_MIN_BUFFER_NB 15
49
50// Not enough source buffers available
51#define M4WAR_SF_LOW_BUFFER M4OSA_ERR_CREATE(M4_WAR, 0xFF, 0x00001)
52
53// Encoder color format
54#define VIDEOEDITOR_ENCODER_COLOR_FORMAT OMX_COLOR_FormatYUV420Planar
55
56// Force using hardware encoder
57#define VIDEOEDITOR_FORCECODEC kHardwareCodecsOnly
58
59// Force Encoder to produce a DSI by sending fake input frames upon creation
60#define VIDEOEDITOR_ENCODER_GET_DSI_AT_CREATION
61
62#if defined(VIDEOEDITOR_ENCODER_GET_DSI_AT_CREATION) && \
63    !defined(VIDEOEDITOR_FORCECODEC)
64    #error "Cannot force DSI retrieval if codec type is not fixed"
65#endif
66
67/********************
68 *   SOURCE CLASS   *
69 ********************/
70
71namespace android {
72
73struct VideoEditorVideoEncoderSource : public MediaSource {
74    public:
75        static sp<VideoEditorVideoEncoderSource> Create();
76        virtual status_t start(MetaData *params = NULL);
77        virtual status_t stop();
78        virtual sp<MetaData> getFormat();
79        virtual status_t read(MediaBuffer **buffer,
80            const ReadOptions *options = NULL);
81        virtual int32_t storeBuffer(MediaBuffer *buffer);
82
83    protected:
84        virtual ~VideoEditorVideoEncoderSource();
85
86    private:
87        struct MediaBufferChain {
88            MediaBuffer* buffer;
89            MediaBufferChain* nextLink;
90        };
91        enum State {
92            CREATED,
93            STARTED,
94            ERROR
95        };
96        VideoEditorVideoEncoderSource();
97        MediaBufferChain* mFirstBufferLink;
98        MediaBufferChain* mLastBufferLink;
99        int32_t           mNbBuffer;
100        bool              mIsEOS;
101        State             mState;
102};
103
104sp<VideoEditorVideoEncoderSource> VideoEditorVideoEncoderSource::Create() {
105
106    sp<VideoEditorVideoEncoderSource> aSource =
107        new VideoEditorVideoEncoderSource();
108    return aSource;
109}
110
111VideoEditorVideoEncoderSource::VideoEditorVideoEncoderSource():
112        mFirstBufferLink(NULL),
113        mLastBufferLink(NULL),
114        mNbBuffer(0),
115        mIsEOS(false),
116        mState(CREATED) {
117    LOGV("VideoEditorVideoEncoderSource::VideoEditorVideoEncoderSource");
118}
119
120VideoEditorVideoEncoderSource::~VideoEditorVideoEncoderSource() {
121
122    // Safety clean up
123    if( STARTED == mState ) {
124        stop();
125    }
126}
127
128status_t VideoEditorVideoEncoderSource::start(MetaData *meta) {
129    status_t err = OK;
130
131    LOGV("VideoEditorVideoEncoderSource::start() begin");
132
133    if( CREATED != mState ) {
134        LOGV("VideoEditorVideoEncoderSource::start: invalid state %d", mState);
135        return UNKNOWN_ERROR;
136    }
137    mState = STARTED;
138
139    LOGV("VideoEditorVideoEncoderSource::start() END (0x%x)", err);
140    return err;
141}
142
143status_t VideoEditorVideoEncoderSource::stop() {
144    status_t err = OK;
145
146    LOGV("VideoEditorVideoEncoderSource::stop() begin");
147
148    if( STARTED != mState ) {
149        LOGV("VideoEditorVideoEncoderSource::stop: invalid state %d", mState);
150        return UNKNOWN_ERROR;
151    }
152
153    // Release the buffer chain
154    int32_t i = 0;
155    MediaBufferChain* tmpLink = NULL;
156    while( mFirstBufferLink ) {
157        i++;
158        tmpLink = mFirstBufferLink;
159        mFirstBufferLink = mFirstBufferLink->nextLink;
160        delete tmpLink;
161    }
162    LOGV("VideoEditorVideoEncoderSource::stop : %d buffer remained", i);
163    mFirstBufferLink = NULL;
164    mLastBufferLink = NULL;
165
166    mState = CREATED;
167
168    LOGV("VideoEditorVideoEncoderSource::stop() END (0x%x)", err);
169    return err;
170}
171
172sp<MetaData> VideoEditorVideoEncoderSource::getFormat() {
173
174    LOGW("VideoEditorVideoEncoderSource::getFormat:THIS IS NOT IMPLEMENTED");
175    return NULL;
176}
177
178status_t VideoEditorVideoEncoderSource::read(MediaBuffer **buffer,
179        const ReadOptions *options) {
180    MediaSource::ReadOptions readOptions;
181    status_t err = OK;
182    MediaBufferChain* tmpLink = NULL;
183
184    LOGV("VideoEditorVideoEncoderSource::read() begin");
185
186    if ( STARTED != mState ) {
187        LOGV("VideoEditorVideoEncoderSource::read: invalid state %d", mState);
188        return UNKNOWN_ERROR;
189    }
190
191    // Get a buffer from the chain
192    if ( NULL == mFirstBufferLink ) {
193        *buffer = NULL;
194        if( mIsEOS ) {
195            LOGV("VideoEditorVideoEncoderSource::read : EOS");
196            return ERROR_END_OF_STREAM;
197        } else {
198            LOGV("VideoEditorVideoEncoderSource::read: no buffer available");
199            return ERROR_END_OF_STREAM;
200        }
201    }
202    *buffer = mFirstBufferLink->buffer;
203    tmpLink = mFirstBufferLink;
204    mFirstBufferLink = mFirstBufferLink->nextLink;
205
206    if ( NULL == mFirstBufferLink ) {
207        mLastBufferLink = NULL;
208    }
209    delete tmpLink;
210    mNbBuffer--;
211
212    LOGV("VideoEditorVideoEncoderSource::read() END (0x%x)", err);
213    return err;
214}
215
216int32_t VideoEditorVideoEncoderSource::storeBuffer(MediaBuffer *buffer) {
217    status_t err = OK;
218
219    LOGV("VideoEditorVideoEncoderSource::storeBuffer() begin");
220
221    if( NULL == buffer ) {
222        LOGV("VideoEditorVideoEncoderSource::storeBuffer : reached EOS");
223        mIsEOS = true;
224    } else {
225        MediaBufferChain* newLink = new MediaBufferChain;
226        newLink->buffer = buffer;
227        newLink->nextLink = NULL;
228        if( NULL != mLastBufferLink ) {
229            mLastBufferLink->nextLink = newLink;
230        } else {
231            mFirstBufferLink = newLink;
232        }
233        mLastBufferLink = newLink;
234        mNbBuffer++;
235    }
236    LOGV("VideoEditorVideoEncoderSource::storeBuffer() end");
237    return mNbBuffer;
238}
239
240/**
241 ******************************************************************************
242 * structure VideoEditorVideoEncoder_Context
243 * @brief    This structure defines the context of the StageFright video encoder
244 *           shell
245 ******************************************************************************
246*/
247typedef enum {
248    CREATED   = 0x1,
249    OPENED    = 0x2,
250    STARTED   = 0x4,
251    BUFFERING = 0x8,
252    READING   = 0x10
253} VideoEditorVideoEncoder_State;
254
255typedef struct {
256    VideoEditorVideoEncoder_State     mState;
257    M4ENCODER_Format                  mFormat;
258    M4WRITER_DataInterface*           mWriterDataInterface;
259    M4VPP_apply_fct*                  mPreProcFunction;
260    M4VPP_Context                     mPreProcContext;
261    M4SYS_AccessUnit*                 mAccessUnit;
262    M4ENCODER_Params*                 mCodecParams;
263    M4ENCODER_Header                  mHeader;
264    H264MCS_ProcessEncodedNALU_fct*   mH264NALUPostProcessFct;
265    M4OSA_Context                     mH264NALUPostProcessCtx;
266    M4OSA_UInt32                      mLastCTS;
267    sp<VideoEditorVideoEncoderSource> mEncoderSource;
268    OMXClient                         mClient;
269    sp<MediaSource>                   mEncoder;
270    OMX_COLOR_FORMATTYPE              mEncoderColorFormat;
271
272    uint32_t                          mNbInputFrames;
273    double                            mFirstInputCts;
274    double                            mLastInputCts;
275    uint32_t                          mNbOutputFrames;
276    int64_t                           mFirstOutputCts;
277    int64_t                           mLastOutputCts;
278
279} VideoEditorVideoEncoder_Context;
280
281/********************
282 *      TOOLS       *
283 ********************/
284
285M4OSA_ERR VideoEditorVideoEncoder_getDSI(M4ENCODER_Context pContext,
286        sp<MetaData> metaData) {
287    M4OSA_ERR err = M4NO_ERROR;
288    VideoEditorVideoEncoder_Context*  pEncoderContext = M4OSA_NULL;
289    status_t result = OK;
290    int32_t nbBuffer = 0;
291    int32_t stride = 0;
292    int32_t height = 0;
293    int32_t framerate = 0;
294    int32_t isCodecConfig = 0;
295    size_t size = 0;
296    uint32_t codecFlags = 0;
297    MediaBuffer* inputBuffer = NULL;
298    MediaBuffer* outputBuffer = NULL;
299    sp<VideoEditorVideoEncoderSource> encoderSource = NULL;
300    sp<MediaSource> encoder = NULL;;
301    OMXClient client;
302
303    LOGV("VideoEditorVideoEncoder_getDSI begin");
304    // Input parameters check
305    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext,       M4ERR_PARAMETER);
306    VIDEOEDITOR_CHECK(M4OSA_NULL != metaData.get(), M4ERR_PARAMETER);
307
308    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
309    VIDEOEDITOR_CHECK(CREATED == pEncoderContext->mState, M4ERR_STATE);
310
311    // Create the encoder source
312    encoderSource = VideoEditorVideoEncoderSource::Create();
313    VIDEOEDITOR_CHECK(NULL != encoderSource.get(), M4ERR_STATE);
314
315    // Connect to the OMX client
316    result = client.connect();
317    VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
318
319    // Create the OMX codec
320    // VIDEOEDITOR_FORCECODEC MUST be defined here
321    codecFlags |= OMXCodec::VIDEOEDITOR_FORCECODEC;
322    encoder = OMXCodec::Create(client.interface(), metaData, true,
323        encoderSource, NULL, codecFlags);
324    VIDEOEDITOR_CHECK(NULL != encoder.get(), M4ERR_STATE);
325
326    /**
327     * Send fake frames and retrieve the DSI
328     */
329    // Send a fake frame to the source
330    metaData->findInt32(kKeyStride,     &stride);
331    metaData->findInt32(kKeyHeight,     &height);
332    metaData->findInt32(kKeySampleRate, &framerate);
333    size = (size_t)(stride*height*3)/2;
334    inputBuffer = new MediaBuffer(size);
335    inputBuffer->meta_data()->setInt64(kKeyTime, 0);
336    nbBuffer = encoderSource->storeBuffer(inputBuffer);
337    encoderSource->storeBuffer(NULL); // Signal EOS
338
339    // Call read once to get the DSI
340    result = encoder->start();;
341    VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
342    result = encoder->read(&outputBuffer, NULL);
343    VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
344    VIDEOEDITOR_CHECK(outputBuffer->meta_data()->findInt32(
345        kKeyIsCodecConfig, &isCodecConfig) && isCodecConfig, M4ERR_STATE);
346
347    VIDEOEDITOR_CHECK(M4OSA_NULL == pEncoderContext->mHeader.pBuf, M4ERR_STATE);
348    if ( M4ENCODER_kH264 == pEncoderContext->mFormat ) {
349        // For H264, format the DSI
350        result = buildAVCCodecSpecificData(
351            (uint8_t**)(&(pEncoderContext->mHeader.pBuf)),
352            (size_t*)(&(pEncoderContext->mHeader.Size)),
353            (const uint8_t*)outputBuffer->data() + outputBuffer->range_offset(),
354            outputBuffer->range_length(), encoder->getFormat().get());
355        outputBuffer->release();
356        VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
357    } else {
358        // For MPEG4, just copy the DSI
359        pEncoderContext->mHeader.Size =
360            (M4OSA_UInt32)outputBuffer->range_length();
361        SAFE_MALLOC(pEncoderContext->mHeader.pBuf, M4OSA_Int8,
362            pEncoderContext->mHeader.Size, "Encoder header");
363        memcpy((void *)pEncoderContext->mHeader.pBuf,
364            (void *)((M4OSA_MemAddr8)(outputBuffer->data())+outputBuffer->range_offset()),
365            pEncoderContext->mHeader.Size);
366        outputBuffer->release();
367    }
368
369    result = encoder->stop();
370    VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
371
372cleanUp:
373    // Destroy the graph
374    if ( encoder != NULL ) { encoder.clear(); }
375    client.disconnect();
376    if ( encoderSource != NULL ) { encoderSource.clear(); }
377    if ( M4NO_ERROR == err ) {
378        LOGV("VideoEditorVideoEncoder_getDSI no error");
379    } else {
380        LOGV("VideoEditorVideoEncoder_getDSI ERROR 0x%X", err);
381    }
382    LOGV("VideoEditorVideoEncoder_getDSI end");
383    return err;
384}
385/********************
386 * ENGINE INTERFACE *
387 ********************/
388
389M4OSA_ERR VideoEditorVideoEncoder_cleanup(M4ENCODER_Context pContext) {
390    M4OSA_ERR err = M4NO_ERROR;
391    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
392
393    LOGV("VideoEditorVideoEncoder_cleanup begin");
394    // Input parameters check
395    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
396
397    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
398    VIDEOEDITOR_CHECK(CREATED == pEncoderContext->mState, M4ERR_STATE);
399
400    // Release memory
401    SAFE_FREE(pEncoderContext->mHeader.pBuf);
402    SAFE_FREE(pEncoderContext);
403    pContext = M4OSA_NULL;
404
405cleanUp:
406    if ( M4NO_ERROR == err ) {
407        LOGV("VideoEditorVideoEncoder_cleanup no error");
408    } else {
409        LOGV("VideoEditorVideoEncoder_cleanup ERROR 0x%X", err);
410    }
411    LOGV("VideoEditorVideoEncoder_cleanup end");
412    return err;
413}
414
415M4OSA_ERR VideoEditorVideoEncoder_init(M4ENCODER_Format format,
416        M4ENCODER_Context* pContext,
417        M4WRITER_DataInterface* pWriterDataInterface,
418        M4VPP_apply_fct* pVPPfct, M4VPP_Context pVPPctxt,
419        M4OSA_Void* pExternalAPI, M4OSA_Void* pUserData) {
420
421    M4OSA_ERR err = M4NO_ERROR;
422    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
423
424    LOGV("VideoEditorVideoEncoder_init begin: format  %d", format);
425    // Input parameters check
426    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
427    VIDEOEDITOR_CHECK(M4OSA_NULL != pWriterDataInterface, M4ERR_PARAMETER);
428    VIDEOEDITOR_CHECK(M4OSA_NULL != pVPPfct, M4ERR_PARAMETER);
429    VIDEOEDITOR_CHECK(M4OSA_NULL != pVPPctxt, M4ERR_PARAMETER);
430
431    // Context allocation & initialization
432    SAFE_MALLOC(pEncoderContext, VideoEditorVideoEncoder_Context, 1,
433        "VideoEditorVideoEncoder");
434    pEncoderContext->mState = CREATED;
435    pEncoderContext->mFormat = format;
436    pEncoderContext->mWriterDataInterface = pWriterDataInterface;
437    pEncoderContext->mPreProcFunction = pVPPfct;
438    pEncoderContext->mPreProcContext = pVPPctxt;
439
440    *pContext = pEncoderContext;
441
442cleanUp:
443    if ( M4NO_ERROR == err ) {
444        LOGV("VideoEditorVideoEncoder_init no error");
445    } else {
446        VideoEditorVideoEncoder_cleanup(pEncoderContext);
447        *pContext = M4OSA_NULL;
448        LOGV("VideoEditorVideoEncoder_init ERROR 0x%X", err);
449    }
450    LOGV("VideoEditorVideoEncoder_init end");
451    return err;
452}
453
454M4OSA_ERR VideoEditorVideoEncoder_init_H263(M4ENCODER_Context* pContext,
455        M4WRITER_DataInterface* pWriterDataInterface, M4VPP_apply_fct* pVPPfct,
456        M4VPP_Context pVPPctxt, M4OSA_Void* pExternalAPI, M4OSA_Void* pUserData)
457        {
458
459    return VideoEditorVideoEncoder_init(M4ENCODER_kH263, pContext,
460        pWriterDataInterface, pVPPfct, pVPPctxt, pExternalAPI, pUserData);
461}
462
463
464M4OSA_ERR VideoEditorVideoEncoder_init_MPEG4(M4ENCODER_Context* pContext,
465        M4WRITER_DataInterface* pWriterDataInterface, M4VPP_apply_fct* pVPPfct,
466        M4VPP_Context pVPPctxt, M4OSA_Void* pExternalAPI, M4OSA_Void* pUserData)
467        {
468
469    return VideoEditorVideoEncoder_init(M4ENCODER_kMPEG4, pContext,
470        pWriterDataInterface, pVPPfct, pVPPctxt, pExternalAPI, pUserData);
471}
472
473
474M4OSA_ERR VideoEditorVideoEncoder_init_H264(M4ENCODER_Context* pContext,
475        M4WRITER_DataInterface* pWriterDataInterface, M4VPP_apply_fct* pVPPfct,
476        M4VPP_Context pVPPctxt, M4OSA_Void* pExternalAPI, M4OSA_Void* pUserData)
477        {
478
479    return VideoEditorVideoEncoder_init(M4ENCODER_kH264, pContext,
480        pWriterDataInterface, pVPPfct, pVPPctxt, pExternalAPI, pUserData);
481}
482
483M4OSA_ERR VideoEditorVideoEncoder_close(M4ENCODER_Context pContext) {
484    M4OSA_ERR err = M4NO_ERROR;
485    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
486
487    LOGV("VideoEditorVideoEncoder_close begin");
488    // Input parameters check
489    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
490
491    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
492    VIDEOEDITOR_CHECK(OPENED == pEncoderContext->mState, M4ERR_STATE);
493
494    // Release memory
495    SAFE_FREE(pEncoderContext->mCodecParams);
496
497    // Destroy the graph
498    pEncoderContext->mEncoder.clear();
499    pEncoderContext->mClient.disconnect();
500    pEncoderContext->mEncoderSource.clear();
501
502    // Set the new state
503    pEncoderContext->mState = CREATED;
504
505cleanUp:
506    if( M4NO_ERROR == err ) {
507        LOGV("VideoEditorVideoEncoder_close no error");
508    } else {
509        LOGV("VideoEditorVideoEncoder_close ERROR 0x%X", err);
510    }
511    LOGV("VideoEditorVideoEncoder_close end");
512    return err;
513}
514
515
516M4OSA_ERR VideoEditorVideoEncoder_open(M4ENCODER_Context pContext,
517        M4SYS_AccessUnit* pAU, M4OSA_Void* pParams) {
518    M4OSA_ERR err = M4NO_ERROR;
519    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
520    M4ENCODER_Params* pCodecParams = M4OSA_NULL;
521    status_t result = OK;
522    sp<MetaData> encoderMetadata = NULL;
523    const char* mime = NULL;
524    int32_t iProfile = 0;
525    int32_t iFrameRate = 0;
526    uint32_t codecFlags = 0;
527
528    LOGV(">>> VideoEditorVideoEncoder_open begin");
529    // Input parameters check
530    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
531    VIDEOEDITOR_CHECK(M4OSA_NULL != pAU,      M4ERR_PARAMETER);
532    VIDEOEDITOR_CHECK(M4OSA_NULL != pParams,  M4ERR_PARAMETER);
533
534    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
535    pCodecParams = (M4ENCODER_Params*)pParams;
536    VIDEOEDITOR_CHECK(CREATED == pEncoderContext->mState, M4ERR_STATE);
537
538    // Context initialization
539    pEncoderContext->mAccessUnit = pAU;
540
541    // Allocate & initialize the encoding parameters
542    SAFE_MALLOC(pEncoderContext->mCodecParams, M4ENCODER_Params, 1,
543        "VideoEditorVideoEncoder");
544
545
546    pEncoderContext->mCodecParams->InputFormat = pCodecParams->InputFormat;
547    pEncoderContext->mCodecParams->InputFrameWidth =
548        pCodecParams->InputFrameWidth;
549    pEncoderContext->mCodecParams->InputFrameHeight =
550        pCodecParams->InputFrameHeight;
551    pEncoderContext->mCodecParams->FrameWidth = pCodecParams->FrameWidth;
552    pEncoderContext->mCodecParams->FrameHeight = pCodecParams->FrameHeight;
553    pEncoderContext->mCodecParams->Bitrate = pCodecParams->Bitrate;
554    pEncoderContext->mCodecParams->FrameRate = pCodecParams->FrameRate;
555    pEncoderContext->mCodecParams->Format = pCodecParams->Format;
556
557    // Check output format consistency and resolution
558    VIDEOEDITOR_CHECK(
559        pEncoderContext->mCodecParams->Format == pEncoderContext->mFormat,
560        M4ERR_PARAMETER);
561    VIDEOEDITOR_CHECK(0 == pEncoderContext->mCodecParams->FrameWidth  % 16,
562        M4ERR_PARAMETER);
563    VIDEOEDITOR_CHECK(0 == pEncoderContext->mCodecParams->FrameHeight % 16,
564        M4ERR_PARAMETER);
565
566    /**
567     * StageFright graph building
568     */
569
570    // Create the meta data for the encoder
571    encoderMetadata = new MetaData;
572    switch( pEncoderContext->mCodecParams->Format ) {
573        case M4ENCODER_kH263:
574            mime     = MEDIA_MIMETYPE_VIDEO_H263;
575            iProfile = OMX_VIDEO_H263ProfileBaseline;
576            break;
577        case M4ENCODER_kMPEG4:
578            mime     = MEDIA_MIMETYPE_VIDEO_MPEG4;
579            iProfile = OMX_VIDEO_MPEG4ProfileSimple;
580            break;
581        case M4ENCODER_kH264:
582            mime     = MEDIA_MIMETYPE_VIDEO_AVC;
583            iProfile = OMX_VIDEO_AVCProfileBaseline;
584            break;
585        default:
586            VIDEOEDITOR_CHECK(!"VideoEncoder_open : incorrect input format",
587                M4ERR_PARAMETER);
588            break;
589    }
590    encoderMetadata->setCString(kKeyMIMEType, mime);
591    encoderMetadata->setInt32(kKeyVideoProfile, iProfile);
592    encoderMetadata->setInt32(kKeyWidth,
593        (int32_t)pEncoderContext->mCodecParams->FrameWidth);
594    encoderMetadata->setInt32(kKeyStride,
595        (int32_t)pEncoderContext->mCodecParams->FrameWidth);
596    encoderMetadata->setInt32(kKeyHeight,
597        (int32_t)pEncoderContext->mCodecParams->FrameHeight);
598    encoderMetadata->setInt32(kKeySliceHeight,
599        (int32_t)pEncoderContext->mCodecParams->FrameHeight);
600
601    switch( pEncoderContext->mCodecParams->FrameRate ) {
602        case M4ENCODER_k5_FPS:    iFrameRate = 5;  break;
603        case M4ENCODER_k7_5_FPS:  iFrameRate = 8;  break;
604        case M4ENCODER_k10_FPS:   iFrameRate = 10; break;
605        case M4ENCODER_k12_5_FPS: iFrameRate = 13; break;
606        case M4ENCODER_k15_FPS:   iFrameRate = 15; break;
607        case M4ENCODER_k20_FPS:   iFrameRate = 20; break;
608        case M4ENCODER_k25_FPS:   iFrameRate = 25; break;
609        case M4ENCODER_k30_FPS:   iFrameRate = 30; break;
610        case M4ENCODER_kVARIABLE_FPS:
611            iFrameRate = 30;
612            LOGI("Frame rate set to M4ENCODER_kVARIABLE_FPS: set to 30");
613          break;
614        case M4ENCODER_kUSE_TIMESCALE:
615            iFrameRate = 30;
616            LOGI("Frame rate set to M4ENCODER_kUSE_TIMESCALE:  set to 30");
617            break;
618
619        default:
620            VIDEOEDITOR_CHECK(!"VideoEncoder_open:incorrect framerate",
621                M4ERR_STATE);
622            break;
623    }
624    encoderMetadata->setInt32(kKeyFrameRate, iFrameRate);
625    encoderMetadata->setInt32(kKeyBitRate,
626        (int32_t)pEncoderContext->mCodecParams->Bitrate);
627    encoderMetadata->setInt32(kKeyIFramesInterval, 1);
628
629    pEncoderContext->mEncoderColorFormat = VIDEOEDITOR_ENCODER_COLOR_FORMAT;
630    encoderMetadata->setInt32(kKeyColorFormat,
631        pEncoderContext->mEncoderColorFormat);
632
633#ifdef VIDEOEDITOR_ENCODER_GET_DSI_AT_CREATION
634    // Get the encoder DSI
635    err = VideoEditorVideoEncoder_getDSI(pEncoderContext, encoderMetadata);
636    VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
637#endif /* VIDEOEDITOR_ENCODER_GET_DSI_AT_CREATION */
638
639    // Create the encoder source
640    pEncoderContext->mEncoderSource = VideoEditorVideoEncoderSource::Create();
641    VIDEOEDITOR_CHECK(
642        NULL != pEncoderContext->mEncoderSource.get(), M4ERR_STATE);
643
644    // Connect to the OMX client
645    result = pEncoderContext->mClient.connect();
646    VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
647
648    // Create the OMX codec
649#ifdef VIDEOEDITOR_FORCECODEC
650    codecFlags |= OMXCodec::VIDEOEDITOR_FORCECODEC;
651#endif /* VIDEOEDITOR_FORCECODEC */
652    pEncoderContext->mEncoder = OMXCodec::Create(
653        pEncoderContext->mClient.interface(), encoderMetadata, true,
654        pEncoderContext->mEncoderSource, NULL, codecFlags);
655    VIDEOEDITOR_CHECK(NULL != pEncoderContext->mEncoder.get(), M4ERR_STATE);
656    LOGV("VideoEditorVideoEncoder_open : DONE");
657
658    // Set the new state
659    pEncoderContext->mState = OPENED;
660
661cleanUp:
662    if( M4NO_ERROR == err ) {
663        LOGV("VideoEditorVideoEncoder_open no error");
664    } else {
665        VideoEditorVideoEncoder_close(pEncoderContext);
666        LOGV("VideoEditorVideoEncoder_open ERROR 0x%X", err);
667    }
668    LOGV("VideoEditorVideoEncoder_open end");
669    return err;
670}
671
672M4OSA_ERR VideoEditorVideoEncoder_processOutputBuffer(
673        M4ENCODER_Context pContext, MediaBuffer* buffer);
674M4OSA_ERR VideoEditorVideoEncoder_processInputBuffer(
675        M4ENCODER_Context pContext, M4OSA_Double Cts,
676        M4OSA_Bool bReachedEOS) {
677    M4OSA_ERR err = M4NO_ERROR;
678    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
679    M4VIFI_ImagePlane pOutPlane[3];
680    MediaBuffer* buffer = NULL;
681    int32_t nbBuffer = 0;
682
683    LOGV("VideoEditorVideoEncoder_processInputBuffer begin: cts  %f", Cts);
684    // Input parameters check
685    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
686
687    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
688    pOutPlane[0].pac_data = M4OSA_NULL;
689    pOutPlane[1].pac_data = M4OSA_NULL;
690    pOutPlane[2].pac_data = M4OSA_NULL;
691
692    if ( M4OSA_FALSE == bReachedEOS ) {
693        M4OSA_UInt32 sizeY = pEncoderContext->mCodecParams->FrameWidth *
694            pEncoderContext->mCodecParams->FrameHeight;
695        M4OSA_UInt32 sizeU = sizeY >> 2;
696        M4OSA_UInt32 size  = sizeY + 2*sizeU;
697        M4OSA_UInt8* pData = M4OSA_NULL;
698        buffer = new MediaBuffer((size_t)size);
699        pData = (M4OSA_UInt8*)buffer->data() + buffer->range_offset();
700
701        // Prepare the output image for pre-processing
702        pOutPlane[0].u_width   = pEncoderContext->mCodecParams->FrameWidth;
703        pOutPlane[0].u_height  = pEncoderContext->mCodecParams->FrameHeight;
704        pOutPlane[0].u_topleft = 0;
705        pOutPlane[0].u_stride  = pOutPlane[0].u_width;
706        pOutPlane[1].u_width   = pOutPlane[0].u_width/2;
707        pOutPlane[1].u_height  = pOutPlane[0].u_height/2;
708        pOutPlane[1].u_topleft = 0;
709        pOutPlane[1].u_stride  = pOutPlane[0].u_stride/2;
710        pOutPlane[2].u_width   = pOutPlane[1].u_width;
711        pOutPlane[2].u_height  = pOutPlane[1].u_height;
712        pOutPlane[2].u_topleft = 0;
713        pOutPlane[2].u_stride  = pOutPlane[1].u_stride;
714
715        switch( pEncoderContext->mEncoderColorFormat ) {
716            case OMX_COLOR_FormatYUV420Planar:
717                pOutPlane[0].pac_data = pData;
718                pOutPlane[1].pac_data = pData + sizeY;
719                pOutPlane[2].pac_data = pData + sizeY + sizeU;
720            break;
721            case OMX_COLOR_FormatYUV420SemiPlanar:
722                pOutPlane[0].pac_data = pData;
723                SAFE_MALLOC(pOutPlane[1].pac_data, M4VIFI_UInt8,
724                    pOutPlane[1].u_height*pOutPlane[1].u_stride,"OutputPlaneU");
725                SAFE_MALLOC(pOutPlane[2].pac_data, M4VIFI_UInt8,
726                    pOutPlane[2].u_height*pOutPlane[2].u_stride,"OutputPlaneV");
727            break;
728            default:
729                LOGV("VideoEditorVideoEncoder_processInputBuffer : unsupported "
730                    "color format 0x%X", pEncoderContext->mEncoderColorFormat);
731                VIDEOEDITOR_CHECK(M4OSA_FALSE, M4ERR_PARAMETER);
732            break;
733        }
734
735        // Apply pre-processing
736        err = pEncoderContext->mPreProcFunction(
737            pEncoderContext->mPreProcContext, M4OSA_NULL, pOutPlane);
738        VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
739
740        // Convert to MediaBuffer format if necessary
741        if( OMX_COLOR_FormatYUV420SemiPlanar == \
742                pEncoderContext->mEncoderColorFormat ) {
743            M4OSA_UInt8* pTmpData = M4OSA_NULL;
744            pTmpData = pData + sizeY;
745            // Highly unoptimized copy...
746            for( M4OSA_UInt32 i=0; i<sizeU; i++ ) {
747                *pTmpData = pOutPlane[2].pac_data[i]; pTmpData++;
748                *pTmpData = pOutPlane[1].pac_data[i]; pTmpData++;
749            }
750        }
751
752        // Set the metadata
753        buffer->meta_data()->setInt64(kKeyTime, (int64_t)(Cts*1000));
754    }
755
756    // Push the buffer to the source, a NULL buffer, notifies the source of EOS
757    nbBuffer = pEncoderContext->mEncoderSource->storeBuffer(buffer);
758    if ( VIDEOEDITOR_MIN_BUFFER_NB > nbBuffer ) {
759        LOGV("VideoEncoder_processInputBuffer not enough source buffer"
760        "%d", nbBuffer);
761        err = M4WAR_SF_LOW_BUFFER;
762    }
763
764cleanUp:
765    if ( OMX_COLOR_FormatYUV420SemiPlanar == \
766            pEncoderContext->mEncoderColorFormat ) {
767        // Y plane has not been allocated
768        if ( pOutPlane[1].pac_data ) {
769            SAFE_FREE(pOutPlane[1].pac_data);
770        }
771        if ( pOutPlane[2].pac_data ) {
772            SAFE_FREE(pOutPlane[2].pac_data);
773        }
774    }
775    if ( (M4NO_ERROR == err) || (M4WAR_SF_LOW_BUFFER == err) ) {
776        LOGV("VideoEditorVideoEncoder_processInputBuffer error 0x%X", err);
777    } else {
778        if( NULL != buffer ) {
779            buffer->release();
780        }
781        LOGV("VideoEditorVideoEncoder_processInputBuffer ERROR 0x%X", err);
782    }
783    LOGV("VideoEditorVideoEncoder_processInputBuffer end");
784    return err;
785}
786
787M4OSA_ERR VideoEditorVideoEncoder_processOutputBuffer(
788        M4ENCODER_Context pContext, MediaBuffer* buffer) {
789    M4OSA_ERR err = M4NO_ERROR;
790    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
791    M4OSA_UInt32 Cts = 0;
792    int32_t i32Tmp = 0;
793    int64_t i64Tmp = 0;
794    status_t result = OK;
795
796    LOGV("VideoEditorVideoEncoder_processOutputBuffer begin");
797    // Input parameters check
798    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
799    VIDEOEDITOR_CHECK(M4OSA_NULL != buffer,   M4ERR_PARAMETER);
800
801    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
802
803    // Process the returned AU
804    if ( 0 == buffer->range_length() ) {
805        // Encoder has no data yet, nothing unusual
806        LOGV("VideoEditorVideoEncoder_processOutputBuffer : buffer is empty");
807        goto cleanUp;
808    }
809    VIDEOEDITOR_CHECK(0 == ((M4OSA_UInt32)buffer->data())%4, M4ERR_PARAMETER);
810    VIDEOEDITOR_CHECK(buffer->meta_data().get(), M4ERR_PARAMETER);
811    if ( buffer->meta_data()->findInt32(kKeyIsCodecConfig, &i32Tmp) && i32Tmp ){
812        {   // Display the DSI
813            LOGV("VideoEditorVideoEncoder_processOutputBuffer DSI %d",
814                buffer->range_length());
815            uint8_t* tmp = (uint8_t*)(buffer->data());
816            for( uint32_t i=0; i<buffer->range_length(); i++ ) {
817                LOGV("DSI [%d] %.2X", i, tmp[i]);
818            }
819        }
820
821#ifndef VIDEOEDITOR_ENCODER_GET_DSI_AT_CREATION
822        VIDEOEDITOR_CHECK(M4OSA_NULL == pEncoderContext->mHeader.pBuf,
823            M4ERR_STATE);
824        if ( M4ENCODER_kH264 == pEncoderContext->mFormat ) {
825            result = buildAVCCodecSpecificData(
826                (uint8_t**)(&(pEncoderContext->mHeader.pBuf)),
827                (size_t*)(&(pEncoderContext->mHeader.Size)),
828                (const uint8_t *)buffer->data() + buffer->range_offset(),
829                buffer->range_length(),
830                pEncoderContext->mEncoder->getFormat().get());
831        } else {
832            pEncoderContext->mHeader.Size =
833                (M4OSA_UInt32)buffer->range_length();
834            SAFE_MALLOC(pEncoderContext->mHeader.pBuf, M4OSA_Int8,
835                pEncoderContext->mHeader.Size, "Encoder header");
836            memcpy((void *)pEncoderContext->mHeader.pBuf,
837                (void *)((M4OSA_MemAddr8)(buffer->data())+buffer->range_offset()),
838                pEncoderContext->mHeader.Size);
839        }
840#endif /* VIDEOEDITOR_ENCODER_GET_DSI_AT_CREATION */
841    } else {
842        // Check the CTS
843        VIDEOEDITOR_CHECK(buffer->meta_data()->findInt64(kKeyTime, &i64Tmp),
844            M4ERR_STATE);
845
846        pEncoderContext->mNbOutputFrames++;
847        if ( 0 > pEncoderContext->mFirstOutputCts ) {
848            pEncoderContext->mFirstOutputCts = i64Tmp;
849        }
850        pEncoderContext->mLastOutputCts = i64Tmp;
851
852        Cts = (M4OSA_Int32)(i64Tmp/1000);
853        LOGV("[TS_CHECK] VI/ENC WRITE frame %d @ %lld -> %d (last %d)",
854            pEncoderContext->mNbOutputFrames, i64Tmp, Cts,
855            pEncoderContext->mLastCTS);
856        if ( Cts < pEncoderContext->mLastCTS ) {
857            LOGV("VideoEncoder_processOutputBuffer WARNING : Cts is going "
858            "backwards %d < %d", Cts, pEncoderContext->mLastCTS);
859            goto cleanUp;
860        }
861        LOGV("VideoEditorVideoEncoder_processOutputBuffer : %d %d",
862            Cts, pEncoderContext->mLastCTS);
863
864        // Retrieve the AU container
865        err = pEncoderContext->mWriterDataInterface->pStartAU(
866            pEncoderContext->mWriterDataInterface->pWriterContext,
867            pEncoderContext->mAccessUnit->stream->streamID,
868            pEncoderContext->mAccessUnit);
869        VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
870
871        // Format the AU
872        VIDEOEDITOR_CHECK(
873            buffer->range_length() <= pEncoderContext->mAccessUnit->size,
874            M4ERR_PARAMETER);
875        // Remove H264 AU start code
876        if ( M4ENCODER_kH264 == pEncoderContext->mFormat ) {
877            if (!memcmp((const uint8_t *)buffer->data() + \
878                    buffer->range_offset(), "\x00\x00\x00\x01", 4) ) {
879                buffer->set_range(buffer->range_offset() + 4,
880                    buffer->range_length() - 4);
881            }
882        }
883
884        if ( (M4ENCODER_kH264 == pEncoderContext->mFormat) &&
885            (M4OSA_NULL != pEncoderContext->mH264NALUPostProcessFct) ) {
886        // H264 trimming case, NALU post processing is needed
887        M4OSA_Int32 outputSize = pEncoderContext->mAccessUnit->size;
888        err = pEncoderContext->mH264NALUPostProcessFct(
889            pEncoderContext->mH264NALUPostProcessCtx,
890            (M4OSA_UInt8*)buffer->data()+buffer->range_offset(),
891            buffer->range_length(),
892            (M4OSA_UInt8*)pEncoderContext->mAccessUnit->dataAddress,
893            &outputSize);
894        VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
895        pEncoderContext->mAccessUnit->size = (M4OSA_UInt32)outputSize;
896        } else {
897            // The AU can just be copied
898            memcpy((void *)pEncoderContext->mAccessUnit->\
899                dataAddress, (void *)((M4OSA_MemAddr8)(buffer->data())+buffer->\
900                range_offset()), buffer->range_length());
901            pEncoderContext->mAccessUnit->size =
902                (M4OSA_UInt32)buffer->range_length();
903        }
904
905        if ( buffer->meta_data()->findInt32(kKeyIsSyncFrame,&i32Tmp) && i32Tmp){
906            pEncoderContext->mAccessUnit->attribute = AU_RAP;
907        } else {
908            pEncoderContext->mAccessUnit->attribute = AU_P_Frame;
909        }
910        pEncoderContext->mLastCTS = Cts;
911        pEncoderContext->mAccessUnit->CTS = Cts;
912        pEncoderContext->mAccessUnit->DTS = Cts;
913
914        LOGV("VideoEditorVideoEncoder_processOutputBuffer: AU @ 0x%X 0x%X %d %d",
915            pEncoderContext->mAccessUnit->dataAddress,
916            *pEncoderContext->mAccessUnit->dataAddress,
917            pEncoderContext->mAccessUnit->size,
918            pEncoderContext->mAccessUnit->CTS);
919
920        // Write the AU
921        err = pEncoderContext->mWriterDataInterface->pProcessAU(
922            pEncoderContext->mWriterDataInterface->pWriterContext,
923            pEncoderContext->mAccessUnit->stream->streamID,
924            pEncoderContext->mAccessUnit);
925        VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
926    }
927
928cleanUp:
929    buffer->release();
930    if( M4NO_ERROR == err ) {
931        LOGV("VideoEditorVideoEncoder_processOutputBuffer no error");
932    } else {
933        SAFE_FREE(pEncoderContext->mHeader.pBuf);
934        pEncoderContext->mHeader.Size = 0;
935        LOGV("VideoEditorVideoEncoder_processOutputBuffer ERROR 0x%X", err);
936    }
937    LOGV("VideoEditorVideoEncoder_processOutputBuffer end");
938    return err;
939}
940
941M4OSA_ERR VideoEditorVideoEncoder_encode(M4ENCODER_Context pContext,
942        M4VIFI_ImagePlane* pInPlane, M4OSA_Double Cts,
943        M4ENCODER_FrameMode FrameMode) {
944    M4OSA_ERR err = M4NO_ERROR;
945    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
946    status_t result = OK;
947    MediaBuffer* outputBuffer = NULL;
948
949    LOGV("VideoEditorVideoEncoder_encode 0x%X %f %d", pInPlane, Cts, FrameMode);
950    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
951
952    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
953    if ( STARTED == pEncoderContext->mState ) {
954        pEncoderContext->mState = BUFFERING;
955    }
956    VIDEOEDITOR_CHECK(
957        (BUFFERING | READING) & pEncoderContext->mState, M4ERR_STATE);
958
959    pEncoderContext->mNbInputFrames++;
960    if ( 0 > pEncoderContext->mFirstInputCts ) {
961        pEncoderContext->mFirstInputCts = Cts;
962    }
963    pEncoderContext->mLastInputCts = Cts;
964
965    LOGV("VideoEditorVideoEncoder_encode 0x%X %d %f (%d)", pInPlane, FrameMode,
966        Cts, pEncoderContext->mLastCTS);
967
968    // Push the input buffer to the encoder source
969    err = VideoEditorVideoEncoder_processInputBuffer(pEncoderContext, Cts,
970        M4OSA_FALSE);
971    VIDEOEDITOR_CHECK((M4NO_ERROR == err) || (M4WAR_SF_LOW_BUFFER == err), err);
972
973    // Notify the source in case of EOS
974    if ( M4ENCODER_kLastFrame == FrameMode ) {
975        err = VideoEditorVideoEncoder_processInputBuffer(
976            pEncoderContext, 0, M4OSA_TRUE);
977        VIDEOEDITOR_CHECK((M4NO_ERROR == err) || (M4WAR_SF_LOW_BUFFER == err),
978            err);
979    }
980
981    if ( BUFFERING == pEncoderContext->mState ) {
982        if ( M4WAR_SF_LOW_BUFFER == err ) {
983            // Insufficient prefetch, do not encode
984            err = M4NO_ERROR;
985            goto cleanUp;
986        } else {
987            // Prefetch is complete, start reading
988            pEncoderContext->mState = READING;
989        }
990    }
991    // Read
992    result = pEncoderContext->mEncoder->read(&outputBuffer, NULL);
993    if( OK != result ) {
994        LOGV("VideoEditorVideoEncoder_encode: encoder returns 0x%X", result);
995    }
996
997    if( ERROR_END_OF_STREAM == result ) {
998        if( outputBuffer != NULL ) {
999            LOGV("VideoEditorVideoEncoder_encode : EOS w/ buffer");
1000        }
1001        VIDEOEDITOR_CHECK(0 == VIDEOEDITOR_MIN_BUFFER_NB, M4ERR_STATE);
1002        // No output provided here, just exit
1003        goto cleanUp;
1004    }
1005    VIDEOEDITOR_CHECK((OK == result) || (ERROR_END_OF_STREAM == result),
1006        M4ERR_STATE);
1007
1008    // Provide the encoded AU to the writer
1009    err = VideoEditorVideoEncoder_processOutputBuffer(pEncoderContext,
1010        outputBuffer);
1011    VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
1012
1013cleanUp:
1014    if( M4NO_ERROR == err ) {
1015        LOGV("VideoEditorVideoEncoder_encode no error");
1016    } else {
1017        LOGV("VideoEditorVideoEncoder_encode ERROR 0x%X", err);
1018    }
1019    LOGV("VideoEditorVideoEncoder_encode end");
1020    return err;
1021}
1022
1023M4OSA_ERR VideoEditorVideoEncoder_start(M4ENCODER_Context pContext) {
1024    M4OSA_ERR                  err             = M4NO_ERROR;
1025    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
1026    status_t                   result          = OK;
1027
1028    LOGV("VideoEditorVideoEncoder_start begin");
1029    // Input parameters check
1030    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
1031
1032    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
1033    VIDEOEDITOR_CHECK(OPENED == pEncoderContext->mState, M4ERR_STATE);
1034
1035    pEncoderContext->mNbInputFrames  = 0;
1036    pEncoderContext->mFirstInputCts  = -1.0;
1037    pEncoderContext->mLastInputCts   = -1.0;
1038    pEncoderContext->mNbOutputFrames = 0;
1039    pEncoderContext->mFirstOutputCts = -1;
1040    pEncoderContext->mLastOutputCts  = -1;
1041
1042    result = pEncoderContext->mEncoder->start();
1043    VIDEOEDITOR_CHECK(OK == result, M4ERR_STATE);
1044
1045    // Set the new state
1046    pEncoderContext->mState = STARTED;
1047
1048cleanUp:
1049    if ( M4NO_ERROR == err ) {
1050        LOGV("VideoEditorVideoEncoder_start no error");
1051    } else {
1052        LOGV("VideoEditorVideoEncoder_start ERROR 0x%X", err);
1053    }
1054    LOGV("VideoEditorVideoEncoder_start end");
1055    return err;
1056}
1057
1058M4OSA_ERR VideoEditorVideoEncoder_stop(M4ENCODER_Context pContext) {
1059    M4OSA_ERR err = M4NO_ERROR;
1060    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
1061    MediaBuffer* outputBuffer = NULL;
1062    status_t result = OK;
1063
1064    LOGV("VideoEditorVideoEncoder_stop begin");
1065    // Input parameters check
1066    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
1067    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
1068
1069    // Process the remaining buffers if necessary
1070    if ( (BUFFERING | READING) & pEncoderContext->mState ) {
1071        // Send EOS again just in case
1072        err = VideoEditorVideoEncoder_processInputBuffer(pEncoderContext, 0,
1073            M4OSA_TRUE);
1074        VIDEOEDITOR_CHECK((M4NO_ERROR == err) || (M4WAR_SF_LOW_BUFFER == err),
1075            err);
1076        while( OK == result ) {
1077            result = pEncoderContext->mEncoder->read(&outputBuffer, NULL);
1078            if ( OK == result ) {
1079                err = VideoEditorVideoEncoder_processOutputBuffer(
1080                    pEncoderContext, outputBuffer);
1081                VIDEOEDITOR_CHECK(M4NO_ERROR == err, err);
1082            }
1083        }
1084        pEncoderContext->mState = STARTED;
1085    }
1086
1087    // Stop the graph module if necessary
1088    if ( STARTED == pEncoderContext->mState ) {
1089        pEncoderContext->mEncoder->stop();
1090        pEncoderContext->mState = OPENED;
1091    }
1092
1093    if ( pEncoderContext->mNbInputFrames != pEncoderContext->mNbInputFrames ) {
1094        LOGV("VideoEditorVideoEncoder_stop: some frames were not encoded %d %d",
1095            pEncoderContext->mNbInputFrames, pEncoderContext->mNbInputFrames);
1096    }
1097
1098cleanUp:
1099    if ( M4NO_ERROR == err ) {
1100        LOGV("VideoEditorVideoEncoder_stop no error");
1101    } else {
1102        LOGV("VideoEditorVideoEncoder_stop ERROR 0x%X", err);
1103    }
1104    LOGV("VideoEditorVideoEncoder_stop end");
1105    return err;
1106}
1107
1108M4OSA_ERR VideoEditorVideoEncoder_regulBitRate(M4ENCODER_Context pContext) {
1109    M4OSA_ERR err = M4NO_ERROR;
1110    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
1111
1112    LOGV("VideoEditorVideoEncoder_regulBitRate begin");
1113    // Input parameters check
1114    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
1115    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
1116
1117    LOGV("VideoEditorVideoEncoder_regulBitRate : THIS IS NOT IMPLEMENTED");
1118
1119cleanUp:
1120    if ( M4NO_ERROR == err ) {
1121        LOGV("VideoEditorVideoEncoder_regulBitRate no error");
1122    } else {
1123        LOGV("VideoEditorVideoEncoder_regulBitRate ERROR 0x%X", err);
1124    }
1125    LOGV("VideoEditorVideoEncoder_regulBitRate end");
1126    return err;
1127}
1128
1129M4OSA_ERR VideoEditorVideoEncoder_setOption(M4ENCODER_Context pContext,
1130        M4OSA_UInt32 optionID, M4OSA_DataOption optionValue) {
1131    M4OSA_ERR err = M4NO_ERROR;
1132    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
1133
1134    LOGV("VideoEditorVideoEncoder_setOption start optionID 0x%X", optionID);
1135    // Input parameters check
1136    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
1137
1138    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
1139
1140    switch( optionID ) {
1141        case M4ENCODER_kOptionID_SetH264ProcessNALUfctsPtr:
1142            pEncoderContext->mH264NALUPostProcessFct =
1143                (H264MCS_ProcessEncodedNALU_fct*)optionValue;
1144            break;
1145        case M4ENCODER_kOptionID_H264ProcessNALUContext:
1146            pEncoderContext->mH264NALUPostProcessCtx =
1147                (M4OSA_Context)optionValue;
1148            break;
1149        default:
1150            LOGV("VideoEditorVideoEncoder_setOption: unsupported optionId 0x%X",
1151                optionID);
1152            VIDEOEDITOR_CHECK(M4OSA_FALSE, M4ERR_BAD_OPTION_ID);
1153            break;
1154    }
1155
1156cleanUp:
1157    if ( M4NO_ERROR == err ) {
1158        LOGV("VideoEditorVideoEncoder_setOption no error");
1159    } else {
1160        LOGV("VideoEditorVideoEncoder_setOption ERROR 0x%X", err);
1161    }
1162    LOGV("VideoEditorVideoEncoder_setOption end");
1163    return err;
1164}
1165
1166M4OSA_ERR VideoEditorVideoEncoder_getOption(M4ENCODER_Context pContext,
1167        M4OSA_UInt32 optionID, M4OSA_DataOption optionValue) {
1168    M4OSA_ERR err = M4NO_ERROR;
1169    VideoEditorVideoEncoder_Context* pEncoderContext = M4OSA_NULL;
1170
1171    LOGV("VideoEditorVideoEncoder_getOption begin optinId 0x%X", optionID);
1172    // Input parameters check
1173    VIDEOEDITOR_CHECK(M4OSA_NULL != pContext, M4ERR_PARAMETER);
1174    pEncoderContext = (VideoEditorVideoEncoder_Context*)pContext;
1175
1176    switch( optionID ) {
1177        case M4ENCODER_kOptionID_EncoderHeader:
1178            VIDEOEDITOR_CHECK(
1179                    M4OSA_NULL != pEncoderContext->mHeader.pBuf, M4ERR_STATE);
1180            *(M4ENCODER_Header**)optionValue = &(pEncoderContext->mHeader);
1181            break;
1182        default:
1183            LOGV("VideoEditorVideoEncoder_getOption: unsupported optionId 0x%X",
1184                optionID);
1185            VIDEOEDITOR_CHECK(M4OSA_FALSE, M4ERR_BAD_OPTION_ID);
1186            break;
1187    }
1188
1189cleanUp:
1190    if ( M4NO_ERROR == err ) {
1191        LOGV("VideoEditorVideoEncoder_getOption no error");
1192    } else {
1193        LOGV("VideoEditorVideoEncoder_getOption ERROR 0x%X", err);
1194    }
1195    return err;
1196}
1197
1198M4OSA_ERR VideoEditorVideoEncoder_getInterface(M4ENCODER_Format format,
1199        M4ENCODER_Format* pFormat,
1200        M4ENCODER_GlobalInterface** pEncoderInterface, M4ENCODER_OpenMode mode){
1201    M4OSA_ERR err = M4NO_ERROR;
1202
1203    // Input parameters check
1204    VIDEOEDITOR_CHECK(M4OSA_NULL != pFormat,           M4ERR_PARAMETER);
1205    VIDEOEDITOR_CHECK(M4OSA_NULL != pEncoderInterface, M4ERR_PARAMETER);
1206
1207    LOGV("VideoEditorVideoEncoder_getInterface begin 0x%x 0x%x %d", pFormat,
1208        pEncoderInterface, mode);
1209
1210    SAFE_MALLOC(*pEncoderInterface, M4ENCODER_GlobalInterface, 1,
1211        "VideoEditorVideoEncoder");
1212
1213    *pFormat = format;
1214
1215    switch( format ) {
1216        case M4ENCODER_kH263:
1217            {
1218                (*pEncoderInterface)->pFctInit =
1219                    VideoEditorVideoEncoder_init_H263;
1220                break;
1221            }
1222        case M4ENCODER_kMPEG4:
1223            {
1224                (*pEncoderInterface)->pFctInit =
1225                    VideoEditorVideoEncoder_init_MPEG4;
1226                break;
1227            }
1228        case M4ENCODER_kH264:
1229            {
1230                (*pEncoderInterface)->pFctInit =
1231                    VideoEditorVideoEncoder_init_H264;
1232                break;
1233            }
1234        default:
1235            LOGV("VideoEditorVideoEncoder_getInterface : unsupported format %d",
1236                format);
1237            VIDEOEDITOR_CHECK(M4OSA_FALSE, M4ERR_PARAMETER);
1238        break;
1239    }
1240    (*pEncoderInterface)->pFctOpen         = VideoEditorVideoEncoder_open;
1241    (*pEncoderInterface)->pFctStart        = VideoEditorVideoEncoder_start;
1242    (*pEncoderInterface)->pFctStop         = VideoEditorVideoEncoder_stop;
1243    (*pEncoderInterface)->pFctPause        = M4OSA_NULL;
1244    (*pEncoderInterface)->pFctResume       = M4OSA_NULL;
1245    (*pEncoderInterface)->pFctClose        = VideoEditorVideoEncoder_close;
1246    (*pEncoderInterface)->pFctCleanup      = VideoEditorVideoEncoder_cleanup;
1247    (*pEncoderInterface)->pFctRegulBitRate =
1248        VideoEditorVideoEncoder_regulBitRate;
1249    (*pEncoderInterface)->pFctEncode       = VideoEditorVideoEncoder_encode;
1250    (*pEncoderInterface)->pFctSetOption    = VideoEditorVideoEncoder_setOption;
1251    (*pEncoderInterface)->pFctGetOption    = VideoEditorVideoEncoder_getOption;
1252
1253cleanUp:
1254    if( M4NO_ERROR == err ) {
1255        LOGV("VideoEditorVideoEncoder_getInterface no error");
1256    } else {
1257        *pEncoderInterface = M4OSA_NULL;
1258        LOGV("VideoEditorVideoEncoder_getInterface ERROR 0x%X", err);
1259    }
1260    return err;
1261}
1262
1263extern "C" {
1264
1265M4OSA_ERR VideoEditorVideoEncoder_getInterface_H263(M4ENCODER_Format* pFormat,
1266        M4ENCODER_GlobalInterface** pEncoderInterface, M4ENCODER_OpenMode mode){
1267    return VideoEditorVideoEncoder_getInterface(M4ENCODER_kH263, pFormat,
1268            pEncoderInterface, mode);
1269}
1270
1271M4OSA_ERR VideoEditorVideoEncoder_getInterface_MPEG4(M4ENCODER_Format* pFormat,
1272        M4ENCODER_GlobalInterface** pEncoderInterface, M4ENCODER_OpenMode mode){
1273    return VideoEditorVideoEncoder_getInterface(M4ENCODER_kMPEG4, pFormat,
1274           pEncoderInterface, mode);
1275}
1276
1277M4OSA_ERR VideoEditorVideoEncoder_getInterface_H264(M4ENCODER_Format* pFormat,
1278        M4ENCODER_GlobalInterface** pEncoderInterface, M4ENCODER_OpenMode mode){
1279    return VideoEditorVideoEncoder_getInterface(M4ENCODER_kH264, pFormat,
1280           pEncoderInterface, mode);
1281
1282}
1283
1284}  // extern "C"
1285
1286}  // namespace android
1287