MediaProfiles.cpp revision 3eaa4e92dbebb5b27cb89f329f31fac6fb6fe1f0 
1/*
2**
3** Copyright 2010, 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//#define LOG_NDEBUG 0
20#define LOG_TAG "MediaProfiles"
21
22#include <stdlib.h>
23#include <utils/Log.h>
24#include <utils/Vector.h>
25#include <cutils/properties.h>
26#include <expat.h>
27#include <media/MediaProfiles.h>
28#include <media/stagefright/MediaDebug.h>
29
30namespace android {
31
32Mutex MediaProfiles::sLock;
33bool MediaProfiles::sIsInitialized = false;
34MediaProfiles *MediaProfiles::sInstance = NULL;
35
36const MediaProfiles::NameToTagMap MediaProfiles::sVideoEncoderNameMap[] = {
37    {"h263", VIDEO_ENCODER_H263},
38    {"h264", VIDEO_ENCODER_H264},
39    {"m4v",  VIDEO_ENCODER_MPEG_4_SP}
40};
41
42const MediaProfiles::NameToTagMap MediaProfiles::sAudioEncoderNameMap[] = {
43    {"amrnb", AUDIO_ENCODER_AMR_NB},
44    {"amrwb", AUDIO_ENCODER_AMR_WB},
45    {"aac",   AUDIO_ENCODER_AAC},
46};
47
48const MediaProfiles::NameToTagMap MediaProfiles::sFileFormatMap[] = {
49    {"3gp", OUTPUT_FORMAT_THREE_GPP},
50    {"mp4", OUTPUT_FORMAT_MPEG_4}
51};
52
53const MediaProfiles::NameToTagMap MediaProfiles::sVideoDecoderNameMap[] = {
54    {"wmv", VIDEO_DECODER_WMV}
55};
56
57const MediaProfiles::NameToTagMap MediaProfiles::sAudioDecoderNameMap[] = {
58    {"wma", AUDIO_DECODER_WMA}
59};
60
61const MediaProfiles::NameToTagMap MediaProfiles::sCamcorderQualityNameMap[] = {
62    {"high", CAMCORDER_QUALITY_HIGH},
63    {"low",  CAMCORDER_QUALITY_LOW}
64};
65
66/*static*/ void
67MediaProfiles::logVideoCodec(const MediaProfiles::VideoCodec& codec)
68{
69    LOGV("video codec:");
70    LOGV("codec = %d", codec.mCodec);
71    LOGV("bit rate: %d", codec.mBitRate);
72    LOGV("frame width: %d", codec.mFrameWidth);
73    LOGV("frame height: %d", codec.mFrameHeight);
74    LOGV("frame rate: %d", codec.mFrameRate);
75}
76
77/*static*/ void
78MediaProfiles::logAudioCodec(const MediaProfiles::AudioCodec& codec)
79{
80    LOGV("audio codec:");
81    LOGV("codec = %d", codec.mCodec);
82    LOGV("bit rate: %d", codec.mBitRate);
83    LOGV("sample rate: %d", codec.mSampleRate);
84    LOGV("number of channels: %d", codec.mChannels);
85}
86
87/*static*/ void
88MediaProfiles::logVideoEncoderCap(const MediaProfiles::VideoEncoderCap& cap)
89{
90    LOGV("video encoder cap:");
91    LOGV("codec = %d", cap.mCodec);
92    LOGV("bit rate: min = %d and max = %d", cap.mMinBitRate, cap.mMaxBitRate);
93    LOGV("frame width: min = %d and max = %d", cap.mMinFrameWidth, cap.mMaxFrameWidth);
94    LOGV("frame height: min = %d and max = %d", cap.mMinFrameHeight, cap.mMaxFrameHeight);
95    LOGV("frame rate: min = %d and max = %d", cap.mMinFrameRate, cap.mMaxFrameRate);
96}
97
98/*static*/ void
99MediaProfiles::logAudioEncoderCap(const MediaProfiles::AudioEncoderCap& cap)
100{
101    LOGV("audio encoder cap:");
102    LOGV("codec = %d", cap.mCodec);
103    LOGV("bit rate: min = %d and max = %d", cap.mMinBitRate, cap.mMaxBitRate);
104    LOGV("sample rate: min = %d and max = %d", cap.mMinSampleRate, cap.mMaxSampleRate);
105    LOGV("number of channels: min = %d and max = %d", cap.mMinChannels, cap.mMaxChannels);
106}
107
108/*static*/ void
109MediaProfiles::logVideoDecoderCap(const MediaProfiles::VideoDecoderCap& cap)
110{
111    LOGV("video decoder cap:");
112    LOGV("codec = %d", cap.mCodec);
113}
114
115/*static*/ void
116MediaProfiles::logAudioDecoderCap(const MediaProfiles::AudioDecoderCap& cap)
117{
118    LOGV("audio codec cap:");
119    LOGV("codec = %d", cap.mCodec);
120}
121
122/*static*/ int
123MediaProfiles::findTagForName(const MediaProfiles::NameToTagMap *map, size_t nMappings, const char *name)
124{
125    int tag = -1;
126    for (size_t i = 0; i < nMappings; ++i) {
127        if (!strcmp(map[i].name, name)) {
128            tag = map[i].tag;
129            break;
130        }
131    }
132    return tag;
133}
134
135/*static*/ MediaProfiles::VideoCodec*
136MediaProfiles::createVideoCodec(const char **atts, MediaProfiles *profiles)
137{
138    CHECK(!strcmp("codec",     atts[0]) &&
139          !strcmp("bitRate",   atts[2]) &&
140          !strcmp("width",     atts[4]) &&
141          !strcmp("height",    atts[6]) &&
142          !strcmp("frameRate", atts[8]));
143
144    const size_t nMappings = sizeof(sVideoEncoderNameMap)/sizeof(sVideoEncoderNameMap[0]);
145    const int codec = findTagForName(sVideoEncoderNameMap, nMappings, atts[1]);
146    CHECK(codec != -1);
147
148    MediaProfiles::VideoCodec *videoCodec =
149        new MediaProfiles::VideoCodec(static_cast<video_encoder>(codec),
150            atoi(atts[3]), atoi(atts[5]), atoi(atts[7]), atoi(atts[9]));
151    logVideoCodec(*videoCodec);
152
153    size_t nCamcorderProfiles;
154    CHECK((nCamcorderProfiles = profiles->mCamcorderProfiles.size()) >= 1);
155    profiles->mCamcorderProfiles[nCamcorderProfiles - 1]->mVideoCodec = videoCodec;
156    return videoCodec;
157}
158
159/*static*/ MediaProfiles::AudioCodec*
160MediaProfiles::createAudioCodec(const char **atts, MediaProfiles *profiles)
161{
162    CHECK(!strcmp("codec",      atts[0]) &&
163          !strcmp("bitRate",    atts[2]) &&
164          !strcmp("sampleRate", atts[4]) &&
165          !strcmp("channels",   atts[6]));
166    const size_t nMappings = sizeof(sAudioEncoderNameMap)/sizeof(sAudioEncoderNameMap[0]);
167    const int codec = findTagForName(sAudioEncoderNameMap, nMappings, atts[1]);
168    CHECK(codec != -1);
169
170    MediaProfiles::AudioCodec *audioCodec =
171        new MediaProfiles::AudioCodec(static_cast<audio_encoder>(codec),
172            atoi(atts[3]), atoi(atts[5]), atoi(atts[7]));
173    logAudioCodec(*audioCodec);
174
175    size_t nCamcorderProfiles;
176    CHECK((nCamcorderProfiles = profiles->mCamcorderProfiles.size()) >= 1);
177    profiles->mCamcorderProfiles[nCamcorderProfiles - 1]->mAudioCodec = audioCodec;
178    return audioCodec;
179}
180/*static*/ MediaProfiles::AudioDecoderCap*
181MediaProfiles::createAudioDecoderCap(const char **atts)
182{
183    CHECK(!strcmp("name",    atts[0]) &&
184          !strcmp("enabled", atts[2]));
185
186    const size_t nMappings = sizeof(sAudioDecoderNameMap)/sizeof(sAudioDecoderNameMap[0]);
187    const int codec = findTagForName(sAudioDecoderNameMap, nMappings, atts[1]);
188    CHECK(codec != -1);
189
190    MediaProfiles::AudioDecoderCap *cap =
191        new MediaProfiles::AudioDecoderCap(static_cast<audio_decoder>(codec));
192    logAudioDecoderCap(*cap);
193    return cap;
194}
195
196/*static*/ MediaProfiles::VideoDecoderCap*
197MediaProfiles::createVideoDecoderCap(const char **atts)
198{
199    CHECK(!strcmp("name",    atts[0]) &&
200          !strcmp("enabled", atts[2]));
201
202    const size_t nMappings = sizeof(sVideoDecoderNameMap)/sizeof(sVideoDecoderNameMap[0]);
203    const int codec = findTagForName(sVideoDecoderNameMap, nMappings, atts[1]);
204    CHECK(codec != -1);
205
206    MediaProfiles::VideoDecoderCap *cap =
207        new MediaProfiles::VideoDecoderCap(static_cast<video_decoder>(codec));
208    logVideoDecoderCap(*cap);
209    return cap;
210}
211
212/*static*/ MediaProfiles::VideoEncoderCap*
213MediaProfiles::createVideoEncoderCap(const char **atts)
214{
215    CHECK(!strcmp("name",           atts[0])  &&
216          !strcmp("enabled",        atts[2])  &&
217          !strcmp("minBitRate",     atts[4])  &&
218          !strcmp("maxBitRate",     atts[6])  &&
219          !strcmp("minFrameWidth",  atts[8])  &&
220          !strcmp("maxFrameWidth",  atts[10]) &&
221          !strcmp("minFrameHeight", atts[12]) &&
222          !strcmp("maxFrameHeight", atts[14]) &&
223          !strcmp("minFrameRate",   atts[16]) &&
224          !strcmp("maxFrameRate",   atts[18]));
225
226    const size_t nMappings = sizeof(sVideoEncoderNameMap)/sizeof(sVideoEncoderNameMap[0]);
227    const int codec = findTagForName(sVideoEncoderNameMap, nMappings, atts[1]);
228    CHECK(codec != -1);
229
230    MediaProfiles::VideoEncoderCap *cap =
231        new MediaProfiles::VideoEncoderCap(static_cast<video_encoder>(codec),
232            atoi(atts[5]), atoi(atts[7]), atoi(atts[9]), atoi(atts[11]), atoi(atts[13]),
233            atoi(atts[15]), atoi(atts[17]), atoi(atts[19]));
234    logVideoEncoderCap(*cap);
235    return cap;
236}
237
238/*static*/ MediaProfiles::AudioEncoderCap*
239MediaProfiles::createAudioEncoderCap(const char **atts)
240{
241    CHECK(!strcmp("name",          atts[0])  &&
242          !strcmp("enabled",       atts[2])  &&
243          !strcmp("minBitRate",    atts[4])  &&
244          !strcmp("maxBitRate",    atts[6])  &&
245          !strcmp("minSampleRate", atts[8])  &&
246          !strcmp("maxSampleRate", atts[10]) &&
247          !strcmp("minChannels",   atts[12]) &&
248          !strcmp("maxChannels",   atts[14]));
249
250    const size_t nMappings = sizeof(sAudioEncoderNameMap)/sizeof(sAudioEncoderNameMap[0]);
251    const int codec = findTagForName(sAudioEncoderNameMap, nMappings, atts[1]);
252    CHECK(codec != -1);
253
254    MediaProfiles::AudioEncoderCap *cap =
255        new MediaProfiles::AudioEncoderCap(static_cast<audio_encoder>(codec), atoi(atts[5]), atoi(atts[7]),
256            atoi(atts[9]), atoi(atts[11]), atoi(atts[13]),
257            atoi(atts[15]));
258    logAudioEncoderCap(*cap);
259    return cap;
260}
261
262/*static*/ output_format
263MediaProfiles::createEncoderOutputFileFormat(const char **atts)
264{
265    CHECK(!strcmp("name", atts[0]));
266
267    const size_t nMappings =sizeof(sFileFormatMap)/sizeof(sFileFormatMap[0]);
268    const int format = findTagForName(sFileFormatMap, nMappings, atts[1]);
269    CHECK(format != -1);
270
271    return static_cast<output_format>(format);
272}
273
274/*static*/ MediaProfiles::CamcorderProfile*
275MediaProfiles::createCamcorderProfile(int cameraId, const char **atts)
276{
277    CHECK(!strcmp("quality",    atts[0]) &&
278          !strcmp("fileFormat", atts[2]) &&
279          !strcmp("duration",   atts[4]));
280
281    const size_t nProfileMappings = sizeof(sCamcorderQualityNameMap)/sizeof(sCamcorderQualityNameMap[0]);
282    const int quality = findTagForName(sCamcorderQualityNameMap, nProfileMappings, atts[1]);
283    CHECK(quality != -1);
284
285    const size_t nFormatMappings = sizeof(sFileFormatMap)/sizeof(sFileFormatMap[0]);
286    const int fileFormat = findTagForName(sFileFormatMap, nFormatMappings, atts[3]);
287    CHECK(fileFormat != -1);
288
289    MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
290    profile->mCameraId = cameraId;
291    profile->mFileFormat = static_cast<output_format>(fileFormat);
292    profile->mQuality = static_cast<camcorder_quality>(quality);
293    profile->mDuration = atoi(atts[5]);
294    return profile;
295}
296
297MediaProfiles::ImageEncodingQualityLevels*
298MediaProfiles::findImageEncodingQualityLevels(int cameraId) const
299{
300    int n = mImageEncodingQualityLevels.size();
301    for (int i = 0; i < n; i++) {
302        ImageEncodingQualityLevels *levels = mImageEncodingQualityLevels[i];
303        if (levels->mCameraId == cameraId) {
304            return levels;
305        }
306    }
307    return NULL;
308}
309
310void MediaProfiles::addImageEncodingQualityLevel(int cameraId, const char** atts)
311{
312    CHECK(!strcmp("quality", atts[0]));
313    int quality = atoi(atts[1]);
314    LOGV("%s: cameraId=%d, quality=%d\n", __func__, cameraId, quality);
315    ImageEncodingQualityLevels *levels = findImageEncodingQualityLevels(cameraId);
316
317    if (levels == NULL) {
318        levels = new ImageEncodingQualityLevels();
319        levels->mCameraId = cameraId;
320        mImageEncodingQualityLevels.add(levels);
321    }
322
323    levels->mLevels.add(quality);
324}
325
326/*static*/ int
327MediaProfiles::getCameraId(const char** atts)
328{
329    if (!atts[0]) return 0;  // default cameraId = 0
330    CHECK(!strcmp("cameraId", atts[0]));
331    return atoi(atts[1]);
332}
333
334/*static*/ void
335MediaProfiles::startElementHandler(void *userData, const char *name, const char **atts)
336{
337    MediaProfiles *profiles = (MediaProfiles *) userData;
338    if (strcmp("Video", name) == 0) {
339        createVideoCodec(atts, profiles);
340    } else if (strcmp("Audio", name) == 0) {
341        createAudioCodec(atts, profiles);
342    } else if (strcmp("VideoEncoderCap", name) == 0 &&
343               strcmp("true", atts[3]) == 0) {
344        profiles->mVideoEncoders.add(createVideoEncoderCap(atts));
345    } else if (strcmp("AudioEncoderCap", name) == 0 &&
346               strcmp("true", atts[3]) == 0) {
347        profiles->mAudioEncoders.add(createAudioEncoderCap(atts));
348    } else if (strcmp("VideoDecoderCap", name) == 0 &&
349               strcmp("true", atts[3]) == 0) {
350        profiles->mVideoDecoders.add(createVideoDecoderCap(atts));
351    } else if (strcmp("AudioDecoderCap", name) == 0 &&
352               strcmp("true", atts[3]) == 0) {
353        profiles->mAudioDecoders.add(createAudioDecoderCap(atts));
354    } else if (strcmp("EncoderOutputFileFormat", name) == 0) {
355        profiles->mEncoderOutputFileFormats.add(createEncoderOutputFileFormat(atts));
356    } else if (strcmp("CamcorderProfiles", name) == 0) {
357        profiles->mCurrentCameraId = getCameraId(atts);
358    } else if (strcmp("EncoderProfile", name) == 0) {
359        profiles->mCamcorderProfiles.add(
360            createCamcorderProfile(profiles->mCurrentCameraId, atts));
361    } else if (strcmp("ImageEncoding", name) == 0) {
362        profiles->addImageEncodingQualityLevel(profiles->mCurrentCameraId, atts);
363    }
364}
365
366/*static*/ MediaProfiles*
367MediaProfiles::getInstance()
368{
369    LOGV("getInstance");
370    Mutex::Autolock lock(sLock);
371    if (!sIsInitialized) {
372        char value[PROPERTY_VALUE_MAX];
373        if (property_get("media.settings.xml", value, NULL) <= 0) {
374            const char *defaultXmlFile = "/etc/media_profiles.xml";
375            FILE *fp = fopen(defaultXmlFile, "r");
376            if (fp == NULL) {
377                LOGW("could not find media config xml file");
378                sInstance = createDefaultInstance();
379            } else {
380                fclose(fp);  // close the file first.
381                sInstance = createInstanceFromXmlFile(defaultXmlFile);
382            }
383        } else {
384            sInstance = createInstanceFromXmlFile(value);
385        }
386    }
387
388    return sInstance;
389}
390
391/*static*/ MediaProfiles::VideoEncoderCap*
392MediaProfiles::createDefaultH263VideoEncoderCap()
393{
394    return new MediaProfiles::VideoEncoderCap(
395        VIDEO_ENCODER_H263, 192000, 420000, 176, 352, 144, 288, 1, 20);
396}
397
398/*static*/ MediaProfiles::VideoEncoderCap*
399MediaProfiles::createDefaultM4vVideoEncoderCap()
400{
401    return new MediaProfiles::VideoEncoderCap(
402        VIDEO_ENCODER_MPEG_4_SP, 192000, 420000, 176, 352, 144, 288, 1, 20);
403}
404
405
406/*static*/ void
407MediaProfiles::createDefaultVideoEncoders(MediaProfiles *profiles)
408{
409    profiles->mVideoEncoders.add(createDefaultH263VideoEncoderCap());
410    profiles->mVideoEncoders.add(createDefaultM4vVideoEncoderCap());
411}
412
413/*static*/ MediaProfiles::CamcorderProfile*
414MediaProfiles::createDefaultCamcorderHighProfile()
415{
416    MediaProfiles::VideoCodec *videoCodec =
417        new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 360000, 352, 288, 20);
418
419    AudioCodec *audioCodec = new AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
420    CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
421    profile->mCameraId = 0;
422    profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
423    profile->mQuality = CAMCORDER_QUALITY_HIGH;
424    profile->mDuration = 60;
425    profile->mVideoCodec = videoCodec;
426    profile->mAudioCodec = audioCodec;
427    return profile;
428}
429
430/*static*/ MediaProfiles::CamcorderProfile*
431MediaProfiles::createDefaultCamcorderLowProfile()
432{
433    MediaProfiles::VideoCodec *videoCodec =
434        new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 192000, 176, 144, 20);
435
436    MediaProfiles::AudioCodec *audioCodec =
437        new MediaProfiles::AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
438
439    MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
440    profile->mCameraId = 0;
441    profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
442    profile->mQuality = CAMCORDER_QUALITY_LOW;
443    profile->mDuration = 30;
444    profile->mVideoCodec = videoCodec;
445    profile->mAudioCodec = audioCodec;
446    return profile;
447}
448
449/*static*/ void
450MediaProfiles::createDefaultCamcorderProfiles(MediaProfiles *profiles)
451{
452    profiles->mCamcorderProfiles.add(createDefaultCamcorderHighProfile());
453    profiles->mCamcorderProfiles.add(createDefaultCamcorderLowProfile());
454}
455
456/*static*/ void
457MediaProfiles::createDefaultAudioEncoders(MediaProfiles *profiles)
458{
459    profiles->mAudioEncoders.add(createDefaultAmrNBEncoderCap());
460}
461
462/*static*/ void
463MediaProfiles::createDefaultVideoDecoders(MediaProfiles *profiles)
464{
465    MediaProfiles::VideoDecoderCap *cap =
466        new MediaProfiles::VideoDecoderCap(VIDEO_DECODER_WMV);
467
468    profiles->mVideoDecoders.add(cap);
469}
470
471/*static*/ void
472MediaProfiles::createDefaultAudioDecoders(MediaProfiles *profiles)
473{
474    MediaProfiles::AudioDecoderCap *cap =
475        new MediaProfiles::AudioDecoderCap(AUDIO_DECODER_WMA);
476
477    profiles->mAudioDecoders.add(cap);
478}
479
480/*static*/ void
481MediaProfiles::createDefaultEncoderOutputFileFormats(MediaProfiles *profiles)
482{
483    profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_THREE_GPP);
484    profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_MPEG_4);
485}
486
487/*static*/ MediaProfiles::AudioEncoderCap*
488MediaProfiles::createDefaultAmrNBEncoderCap()
489{
490    return new MediaProfiles::AudioEncoderCap(
491        AUDIO_ENCODER_AMR_NB, 5525, 12200, 8000, 8000, 1, 1);
492}
493
494/*static*/ void
495MediaProfiles::createDefaultImageEncodingQualityLevels(MediaProfiles *profiles)
496{
497    ImageEncodingQualityLevels *levels = new ImageEncodingQualityLevels();
498    levels->mCameraId = 0;
499    levels->mLevels.add(70);
500    levels->mLevels.add(80);
501    levels->mLevels.add(90);
502    profiles->mImageEncodingQualityLevels.add(levels);
503}
504
505/*static*/ MediaProfiles*
506MediaProfiles::createDefaultInstance()
507{
508    MediaProfiles *profiles = new MediaProfiles;
509    createDefaultCamcorderProfiles(profiles);
510    createDefaultVideoEncoders(profiles);
511    createDefaultAudioEncoders(profiles);
512    createDefaultVideoDecoders(profiles);
513    createDefaultAudioDecoders(profiles);
514    createDefaultEncoderOutputFileFormats(profiles);
515    createDefaultImageEncodingQualityLevels(profiles);
516    sIsInitialized = true;
517    return profiles;
518}
519
520/*static*/ MediaProfiles*
521MediaProfiles::createInstanceFromXmlFile(const char *xml)
522{
523    FILE *fp = NULL;
524    CHECK((fp = fopen(xml, "r")));
525
526    XML_Parser parser = ::XML_ParserCreate(NULL);
527    CHECK(parser != NULL);
528
529    MediaProfiles *profiles = new MediaProfiles();
530    ::XML_SetUserData(parser, profiles);
531    ::XML_SetElementHandler(parser, startElementHandler, NULL);
532
533    /*
534      FIXME:
535      expat is not compiled with -DXML_DTD. We don't have DTD parsing support.
536
537      if (!::XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS)) {
538          LOGE("failed to enable DTD support in the xml file");
539          return UNKNOWN_ERROR;
540      }
541
542    */
543
544    const int BUFF_SIZE = 512;
545    for (;;) {
546        void *buff = ::XML_GetBuffer(parser, BUFF_SIZE);
547        if (buff == NULL) {
548            LOGE("failed to in call to XML_GetBuffer()");
549            delete profiles;
550            profiles = NULL;
551            goto exit;
552        }
553
554        int bytes_read = ::fread(buff, 1, BUFF_SIZE, fp);
555        if (bytes_read < 0) {
556            LOGE("failed in call to read");
557            delete profiles;
558            profiles = NULL;
559            goto exit;
560        }
561
562        CHECK(::XML_ParseBuffer(parser, bytes_read, bytes_read == 0));
563
564        if (bytes_read == 0) break;  // done parsing the xml file
565    }
566
567exit:
568    ::XML_ParserFree(parser);
569    ::fclose(fp);
570    if (profiles) {
571        sIsInitialized = true;
572    }
573    return profiles;
574}
575
576Vector<output_format> MediaProfiles::getOutputFileFormats() const
577{
578    return mEncoderOutputFileFormats;  // copy out
579}
580
581Vector<video_encoder> MediaProfiles::getVideoEncoders() const
582{
583    Vector<video_encoder> encoders;
584    for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
585        encoders.add(mVideoEncoders[i]->mCodec);
586    }
587    return encoders;  // copy out
588}
589
590int MediaProfiles::getVideoEncoderParamByName(const char *name, video_encoder codec) const
591{
592    LOGV("getVideoEncoderParamByName: %s for codec %d", name, codec);
593    int index = -1;
594    for (size_t i = 0, n = mVideoEncoders.size(); i < n; ++i) {
595        if (mVideoEncoders[i]->mCodec == codec) {
596            index = i;
597            break;
598        }
599    }
600    if (index == -1) {
601        LOGE("The given video encoder %d is not found", codec);
602        return -1;
603    }
604
605    if (!strcmp("enc.vid.width.min", name)) return mVideoEncoders[index]->mMinFrameWidth;
606    if (!strcmp("enc.vid.width.max", name)) return mVideoEncoders[index]->mMaxFrameWidth;
607    if (!strcmp("enc.vid.height.min", name)) return mVideoEncoders[index]->mMinFrameHeight;
608    if (!strcmp("enc.vid.height.max", name)) return mVideoEncoders[index]->mMaxFrameHeight;
609    if (!strcmp("enc.vid.bps.min", name)) return mVideoEncoders[index]->mMinBitRate;
610    if (!strcmp("enc.vid.bps.max", name)) return mVideoEncoders[index]->mMaxBitRate;
611    if (!strcmp("enc.vid.fps.min", name)) return mVideoEncoders[index]->mMinFrameRate;
612    if (!strcmp("enc.vid.fps.max", name)) return mVideoEncoders[index]->mMaxFrameRate;
613
614    LOGE("The given video encoder param name %s is not found", name);
615    return -1;
616}
617
618Vector<audio_encoder> MediaProfiles::getAudioEncoders() const
619{
620    Vector<audio_encoder> encoders;
621    for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
622        encoders.add(mAudioEncoders[i]->mCodec);
623    }
624    return encoders;  // copy out
625}
626
627int MediaProfiles::getAudioEncoderParamByName(const char *name, audio_encoder codec) const
628{
629    LOGV("getAudioEncoderParamByName: %s for codec %d", name, codec);
630    int index = -1;
631    for (size_t i = 0, n = mAudioEncoders.size(); i < n; ++i) {
632        if (mAudioEncoders[i]->mCodec == codec) {
633            index = i;
634            break;
635        }
636    }
637    if (index == -1) {
638        LOGE("The given audio encoder %d is not found", codec);
639        return -1;
640    }
641
642    if (!strcmp("enc.aud.ch.min", name)) return mAudioEncoders[index]->mMinChannels;
643    if (!strcmp("enc.aud.ch.max", name)) return mAudioEncoders[index]->mMaxChannels;
644    if (!strcmp("enc.aud.bps.min", name)) return mAudioEncoders[index]->mMinBitRate;
645    if (!strcmp("enc.aud.bps.max", name)) return mAudioEncoders[index]->mMaxBitRate;
646    if (!strcmp("enc.aud.hz.min", name)) return mAudioEncoders[index]->mMinSampleRate;
647    if (!strcmp("enc.aud.hz.max", name)) return mAudioEncoders[index]->mMaxSampleRate;
648
649    LOGE("The given audio encoder param name %s is not found", name);
650    return -1;
651}
652
653Vector<video_decoder> MediaProfiles::getVideoDecoders() const
654{
655    Vector<video_decoder> decoders;
656    for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
657        decoders.add(mVideoDecoders[i]->mCodec);
658    }
659    return decoders;  // copy out
660}
661
662Vector<audio_decoder> MediaProfiles::getAudioDecoders() const
663{
664    Vector<audio_decoder> decoders;
665    for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
666        decoders.add(mAudioDecoders[i]->mCodec);
667    }
668    return decoders;  // copy out
669}
670
671int MediaProfiles::getCamcorderProfileParamByName(const char *name,
672                                                  int cameraId,
673                                                  camcorder_quality quality) const
674{
675    LOGV("getCamcorderProfileParamByName: %s for camera %d, quality %d",
676         name, cameraId, quality);
677
678    int index = -1;
679    for (size_t i = 0, n = mCamcorderProfiles.size(); i < n; ++i) {
680        if (mCamcorderProfiles[i]->mCameraId == cameraId &&
681            mCamcorderProfiles[i]->mQuality == quality) {
682            index = i;
683            break;
684        }
685    }
686    if (index == -1) {
687        LOGE("The given camcorder profile camera %d quality %d is not found",
688             cameraId, quality);
689        return -1;
690    }
691
692    if (!strcmp("duration", name)) return mCamcorderProfiles[index]->mDuration;
693    if (!strcmp("file.format", name)) return mCamcorderProfiles[index]->mFileFormat;
694    if (!strcmp("vid.codec", name)) return mCamcorderProfiles[index]->mVideoCodec->mCodec;
695    if (!strcmp("vid.width", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameWidth;
696    if (!strcmp("vid.height", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameHeight;
697    if (!strcmp("vid.bps", name)) return mCamcorderProfiles[index]->mVideoCodec->mBitRate;
698    if (!strcmp("vid.fps", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameRate;
699    if (!strcmp("aud.codec", name)) return mCamcorderProfiles[index]->mAudioCodec->mCodec;
700    if (!strcmp("aud.bps", name)) return mCamcorderProfiles[index]->mAudioCodec->mBitRate;
701    if (!strcmp("aud.ch", name)) return mCamcorderProfiles[index]->mAudioCodec->mChannels;
702    if (!strcmp("aud.hz", name)) return mCamcorderProfiles[index]->mAudioCodec->mSampleRate;
703
704    LOGE("The given camcorder profile param id %d name %s is not found", cameraId, name);
705    return -1;
706}
707
708Vector<int> MediaProfiles::getImageEncodingQualityLevels(int cameraId) const
709{
710    Vector<int> result;
711    ImageEncodingQualityLevels *levels = findImageEncodingQualityLevels(cameraId);
712    if (levels != NULL) {
713        result = levels->mLevels;  // copy out
714    }
715    return result;
716}
717
718MediaProfiles::~MediaProfiles()
719{
720    CHECK("destructor should never be called" == 0);
721#if 0
722    for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
723        delete mAudioEncoders[i];
724    }
725    mAudioEncoders.clear();
726
727    for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
728        delete mVideoEncoders[i];
729    }
730    mVideoEncoders.clear();
731
732    for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
733        delete mVideoDecoders[i];
734    }
735    mVideoDecoders.clear();
736
737    for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
738        delete mAudioDecoders[i];
739    }
740    mAudioDecoders.clear();
741
742    for (size_t i = 0; i < mCamcorderProfiles.size(); ++i) {
743        delete mCamcorderProfiles[i];
744    }
745    mCamcorderProfiles.clear();
746#endif
747}
748} // namespace android
749