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      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 
     30 namespace android {
     31 
     32 Mutex MediaProfiles::sLock;
     33 bool MediaProfiles::sIsInitialized = false;
     34 MediaProfiles *MediaProfiles::sInstance = NULL;
     35 
     36 const MediaProfiles::NameToTagMap MediaProfiles::sVideoEncoderNameMap[] = {
     37     {"h263", VIDEO_ENCODER_H263},
     38     {"h264", VIDEO_ENCODER_H264},
     39     {"m4v",  VIDEO_ENCODER_MPEG_4_SP}
     40 };
     41 
     42 const MediaProfiles::NameToTagMap MediaProfiles::sAudioEncoderNameMap[] = {
     43     {"amrnb", AUDIO_ENCODER_AMR_NB},
     44     {"amrwb", AUDIO_ENCODER_AMR_WB},
     45     {"aac",   AUDIO_ENCODER_AAC},
     46 };
     47 
     48 const MediaProfiles::NameToTagMap MediaProfiles::sFileFormatMap[] = {
     49     {"3gp", OUTPUT_FORMAT_THREE_GPP},
     50     {"mp4", OUTPUT_FORMAT_MPEG_4}
     51 };
     52 
     53 const MediaProfiles::NameToTagMap MediaProfiles::sVideoDecoderNameMap[] = {
     54     {"wmv", VIDEO_DECODER_WMV}
     55 };
     56 
     57 const MediaProfiles::NameToTagMap MediaProfiles::sAudioDecoderNameMap[] = {
     58     {"wma", AUDIO_DECODER_WMA}
     59 };
     60 
     61 const MediaProfiles::NameToTagMap MediaProfiles::sCamcorderQualityNameMap[] = {
     62     {"high", CAMCORDER_QUALITY_HIGH},
     63     {"low",  CAMCORDER_QUALITY_LOW}
     64 };
     65 
     66 /*static*/ void
     67 MediaProfiles::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
     78 MediaProfiles::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
     88 MediaProfiles::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
     99 MediaProfiles::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
    109 MediaProfiles::logVideoDecoderCap(const MediaProfiles::VideoDecoderCap& cap)
    110 {
    111     LOGV("video decoder cap:");
    112     LOGV("codec = %d", cap.mCodec);
    113 }
    114 
    115 /*static*/ void
    116 MediaProfiles::logAudioDecoderCap(const MediaProfiles::AudioDecoderCap& cap)
    117 {
    118     LOGV("audio codec cap:");
    119     LOGV("codec = %d", cap.mCodec);
    120 }
    121 
    122 /*static*/ int
    123 MediaProfiles::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*
    136 MediaProfiles::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*
    160 MediaProfiles::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*
    181 MediaProfiles::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*
    197 MediaProfiles::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*
    213 MediaProfiles::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*
    239 MediaProfiles::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
    263 MediaProfiles::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*
    275 MediaProfiles::createCamcorderProfile(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->mFileFormat = static_cast<output_format>(fileFormat);
    291     profile->mQuality = static_cast<camcorder_quality>(quality);
    292     profile->mDuration = atoi(atts[5]);
    293     return profile;
    294 }
    295 
    296 /*static*/ int
    297 MediaProfiles::getImageEncodingQualityLevel(const char** atts)
    298 {
    299     CHECK(!strcmp("quality", atts[0]));
    300     return atoi(atts[1]);
    301 }
    302 
    303 /*static*/ void
    304 MediaProfiles::startElementHandler(void *userData, const char *name, const char **atts)
    305 {
    306     MediaProfiles *profiles = (MediaProfiles *) userData;
    307     if (strcmp("Video", name) == 0) {
    308         createVideoCodec(atts, profiles);
    309     } else if (strcmp("Audio", name) == 0) {
    310         createAudioCodec(atts, profiles);
    311     } else if (strcmp("VideoEncoderCap", name) == 0 &&
    312                strcmp("true", atts[3]) == 0) {
    313         profiles->mVideoEncoders.add(createVideoEncoderCap(atts));
    314     } else if (strcmp("AudioEncoderCap", name) == 0 &&
    315                strcmp("true", atts[3]) == 0) {
    316         profiles->mAudioEncoders.add(createAudioEncoderCap(atts));
    317     } else if (strcmp("VideoDecoderCap", name) == 0 &&
    318                strcmp("true", atts[3]) == 0) {
    319         profiles->mVideoDecoders.add(createVideoDecoderCap(atts));
    320     } else if (strcmp("AudioDecoderCap", name) == 0 &&
    321                strcmp("true", atts[3]) == 0) {
    322         profiles->mAudioDecoders.add(createAudioDecoderCap(atts));
    323     } else if (strcmp("EncoderOutputFileFormat", name) == 0) {
    324         profiles->mEncoderOutputFileFormats.add(createEncoderOutputFileFormat(atts));
    325     } else if (strcmp("EncoderProfile", name) == 0) {
    326         profiles->mCamcorderProfiles.add(createCamcorderProfile(atts));
    327     } else if (strcmp("ImageEncoding", name) == 0) {
    328         profiles->mImageEncodingQualityLevels.add(getImageEncodingQualityLevel(atts));
    329     }
    330 }
    331 
    332 /*static*/ MediaProfiles*
    333 MediaProfiles::getInstance()
    334 {
    335     LOGV("getInstance");
    336     Mutex::Autolock lock(sLock);
    337     if (!sIsInitialized) {
    338         char value[PROPERTY_VALUE_MAX];
    339         if (property_get("media.settings.xml", value, NULL) <= 0) {
    340             const char *defaultXmlFile = "/etc/media_profiles.xml";
    341             FILE *fp = fopen(defaultXmlFile, "r");
    342             if (fp == NULL) {
    343                 LOGW("could not find media config xml file");
    344                 sInstance = createDefaultInstance();
    345             } else {
    346                 fclose(fp);  // close the file first.
    347                 sInstance = createInstanceFromXmlFile(defaultXmlFile);
    348             }
    349         } else {
    350             sInstance = createInstanceFromXmlFile(value);
    351         }
    352     }
    353 
    354     return sInstance;
    355 }
    356 
    357 /*static*/ MediaProfiles::VideoEncoderCap*
    358 MediaProfiles::createDefaultH263VideoEncoderCap()
    359 {
    360     return new MediaProfiles::VideoEncoderCap(
    361         VIDEO_ENCODER_H263, 192000, 420000, 176, 352, 144, 288, 1, 20);
    362 }
    363 
    364 /*static*/ MediaProfiles::VideoEncoderCap*
    365 MediaProfiles::createDefaultM4vVideoEncoderCap()
    366 {
    367     return new MediaProfiles::VideoEncoderCap(
    368         VIDEO_ENCODER_MPEG_4_SP, 192000, 420000, 176, 352, 144, 288, 1, 20);
    369 }
    370 
    371 
    372 /*static*/ void
    373 MediaProfiles::createDefaultVideoEncoders(MediaProfiles *profiles)
    374 {
    375     profiles->mVideoEncoders.add(createDefaultH263VideoEncoderCap());
    376     profiles->mVideoEncoders.add(createDefaultM4vVideoEncoderCap());
    377 }
    378 
    379 /*static*/ MediaProfiles::CamcorderProfile*
    380 MediaProfiles::createDefaultCamcorderHighProfile()
    381 {
    382     MediaProfiles::VideoCodec *videoCodec =
    383         new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 360000, 352, 288, 20);
    384 
    385     AudioCodec *audioCodec = new AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
    386     CamcorderProfile *profile = new CamcorderProfile;
    387     profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
    388     profile->mQuality = CAMCORDER_QUALITY_HIGH;
    389     profile->mDuration = 60;
    390     profile->mVideoCodec = videoCodec;
    391     profile->mAudioCodec = audioCodec;
    392     return profile;
    393 }
    394 
    395 /*static*/ MediaProfiles::CamcorderProfile*
    396 MediaProfiles::createDefaultCamcorderLowProfile()
    397 {
    398     MediaProfiles::VideoCodec *videoCodec =
    399         new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 192000, 176, 144, 20);
    400 
    401     MediaProfiles::AudioCodec *audioCodec =
    402         new MediaProfiles::AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
    403 
    404     MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
    405     profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
    406     profile->mQuality = CAMCORDER_QUALITY_LOW;
    407     profile->mDuration = 30;
    408     profile->mVideoCodec = videoCodec;
    409     profile->mAudioCodec = audioCodec;
    410     return profile;
    411 }
    412 
    413 /*static*/ void
    414 MediaProfiles::createDefaultCamcorderProfiles(MediaProfiles *profiles)
    415 {
    416     profiles->mCamcorderProfiles.add(createDefaultCamcorderHighProfile());
    417     profiles->mCamcorderProfiles.add(createDefaultCamcorderLowProfile());
    418 }
    419 
    420 /*static*/ void
    421 MediaProfiles::createDefaultAudioEncoders(MediaProfiles *profiles)
    422 {
    423     profiles->mAudioEncoders.add(createDefaultAmrNBEncoderCap());
    424 }
    425 
    426 /*static*/ void
    427 MediaProfiles::createDefaultVideoDecoders(MediaProfiles *profiles)
    428 {
    429     MediaProfiles::VideoDecoderCap *cap =
    430         new MediaProfiles::VideoDecoderCap(VIDEO_DECODER_WMV);
    431 
    432     profiles->mVideoDecoders.add(cap);
    433 }
    434 
    435 /*static*/ void
    436 MediaProfiles::createDefaultAudioDecoders(MediaProfiles *profiles)
    437 {
    438     MediaProfiles::AudioDecoderCap *cap =
    439         new MediaProfiles::AudioDecoderCap(AUDIO_DECODER_WMA);
    440 
    441     profiles->mAudioDecoders.add(cap);
    442 }
    443 
    444 /*static*/ void
    445 MediaProfiles::createDefaultEncoderOutputFileFormats(MediaProfiles *profiles)
    446 {
    447     profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_THREE_GPP);
    448     profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_MPEG_4);
    449 }
    450 
    451 /*static*/ MediaProfiles::AudioEncoderCap*
    452 MediaProfiles::createDefaultAmrNBEncoderCap()
    453 {
    454     return new MediaProfiles::AudioEncoderCap(
    455         AUDIO_ENCODER_AMR_NB, 5525, 12200, 8000, 8000, 1, 1);
    456 }
    457 
    458 /*static*/ void
    459 MediaProfiles::createDefaultImageEncodingQualityLevels(MediaProfiles *profiles)
    460 {
    461     profiles->mImageEncodingQualityLevels.add(70);
    462     profiles->mImageEncodingQualityLevels.add(80);
    463     profiles->mImageEncodingQualityLevels.add(90);
    464 }
    465 
    466 /*static*/ MediaProfiles*
    467 MediaProfiles::createDefaultInstance()
    468 {
    469     MediaProfiles *profiles = new MediaProfiles;
    470     createDefaultCamcorderProfiles(profiles);
    471     createDefaultVideoEncoders(profiles);
    472     createDefaultAudioEncoders(profiles);
    473     createDefaultVideoDecoders(profiles);
    474     createDefaultAudioDecoders(profiles);
    475     createDefaultEncoderOutputFileFormats(profiles);
    476     createDefaultImageEncodingQualityLevels(profiles);
    477     sIsInitialized = true;
    478     return profiles;
    479 }
    480 
    481 /*static*/ MediaProfiles*
    482 MediaProfiles::createInstanceFromXmlFile(const char *xml)
    483 {
    484     FILE *fp = NULL;
    485     CHECK((fp = fopen(xml, "r")));
    486 
    487     XML_Parser parser = ::XML_ParserCreate(NULL);
    488     CHECK(parser != NULL);
    489 
    490     MediaProfiles *profiles = new MediaProfiles();
    491     ::XML_SetUserData(parser, profiles);
    492     ::XML_SetElementHandler(parser, startElementHandler, NULL);
    493 
    494     /*
    495       FIXME:
    496       expat is not compiled with -DXML_DTD. We don't have DTD parsing support.
    497 
    498       if (!::XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS)) {
    499           LOGE("failed to enable DTD support in the xml file");
    500           return UNKNOWN_ERROR;
    501       }
    502 
    503     */
    504 
    505     const int BUFF_SIZE = 512;
    506     for (;;) {
    507         void *buff = ::XML_GetBuffer(parser, BUFF_SIZE);
    508         if (buff == NULL) {
    509             LOGE("failed to in call to XML_GetBuffer()");
    510             delete profiles;
    511             profiles = NULL;
    512             goto exit;
    513         }
    514 
    515         int bytes_read = ::fread(buff, 1, BUFF_SIZE, fp);
    516         if (bytes_read < 0) {
    517             LOGE("failed in call to read");
    518             delete profiles;
    519             profiles = NULL;
    520             goto exit;
    521         }
    522 
    523         CHECK(::XML_ParseBuffer(parser, bytes_read, bytes_read == 0));
    524 
    525         if (bytes_read == 0) break;  // done parsing the xml file
    526     }
    527 
    528 exit:
    529     ::XML_ParserFree(parser);
    530     ::fclose(fp);
    531     if (profiles) {
    532         sIsInitialized = true;
    533     }
    534     return profiles;
    535 }
    536 
    537 Vector<output_format> MediaProfiles::getOutputFileFormats() const
    538 {
    539     return mEncoderOutputFileFormats;  // copy out
    540 }
    541 
    542 Vector<video_encoder> MediaProfiles::getVideoEncoders() const
    543 {
    544     Vector<video_encoder> encoders;
    545     for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
    546         encoders.add(mVideoEncoders[i]->mCodec);
    547     }
    548     return encoders;  // copy out
    549 }
    550 
    551 int MediaProfiles::getVideoEncoderParamByName(const char *name, video_encoder codec) const
    552 {
    553     LOGV("getVideoEncoderParamByName: %s for codec %d", name, codec);
    554     int index = -1;
    555     for (size_t i = 0, n = mVideoEncoders.size(); i < n; ++i) {
    556         if (mVideoEncoders[i]->mCodec == codec) {
    557             index = i;
    558             break;
    559         }
    560     }
    561     if (index == -1) {
    562         LOGE("The given video encoder %d is not found", codec);
    563         return -1;
    564     }
    565 
    566     if (!strcmp("enc.vid.width.min", name)) return mVideoEncoders[index]->mMinFrameWidth;
    567     if (!strcmp("enc.vid.width.max", name)) return mVideoEncoders[index]->mMaxFrameWidth;
    568     if (!strcmp("enc.vid.height.min", name)) return mVideoEncoders[index]->mMinFrameHeight;
    569     if (!strcmp("enc.vid.height.max", name)) return mVideoEncoders[index]->mMaxFrameHeight;
    570     if (!strcmp("enc.vid.bps.min", name)) return mVideoEncoders[index]->mMinBitRate;
    571     if (!strcmp("enc.vid.bps.max", name)) return mVideoEncoders[index]->mMaxBitRate;
    572     if (!strcmp("enc.vid.fps.min", name)) return mVideoEncoders[index]->mMinFrameRate;
    573     if (!strcmp("enc.vid.fps.max", name)) return mVideoEncoders[index]->mMaxFrameRate;
    574 
    575     LOGE("The given video encoder param name %s is not found", name);
    576     return -1;
    577 }
    578 
    579 Vector<audio_encoder> MediaProfiles::getAudioEncoders() const
    580 {
    581     Vector<audio_encoder> encoders;
    582     for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
    583         encoders.add(mAudioEncoders[i]->mCodec);
    584     }
    585     return encoders;  // copy out
    586 }
    587 
    588 int MediaProfiles::getAudioEncoderParamByName(const char *name, audio_encoder codec) const
    589 {
    590     LOGV("getAudioEncoderParamByName: %s for codec %d", name, codec);
    591     int index = -1;
    592     for (size_t i = 0, n = mAudioEncoders.size(); i < n; ++i) {
    593         if (mAudioEncoders[i]->mCodec == codec) {
    594             index = i;
    595             break;
    596         }
    597     }
    598     if (index == -1) {
    599         LOGE("The given audio encoder %d is not found", codec);
    600         return -1;
    601     }
    602 
    603     if (!strcmp("enc.aud.ch.min", name)) return mAudioEncoders[index]->mMinChannels;
    604     if (!strcmp("enc.aud.ch.max", name)) return mAudioEncoders[index]->mMaxChannels;
    605     if (!strcmp("enc.aud.bps.min", name)) return mAudioEncoders[index]->mMinBitRate;
    606     if (!strcmp("enc.aud.bps.max", name)) return mAudioEncoders[index]->mMaxBitRate;
    607     if (!strcmp("enc.aud.hz.min", name)) return mAudioEncoders[index]->mMinSampleRate;
    608     if (!strcmp("enc.aud.hz.max", name)) return mAudioEncoders[index]->mMaxSampleRate;
    609 
    610     LOGE("The given audio encoder param name %s is not found", name);
    611     return -1;
    612 }
    613 
    614 Vector<video_decoder> MediaProfiles::getVideoDecoders() const
    615 {
    616     Vector<video_decoder> decoders;
    617     for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
    618         decoders.add(mVideoDecoders[i]->mCodec);
    619     }
    620     return decoders;  // copy out
    621 }
    622 
    623 Vector<audio_decoder> MediaProfiles::getAudioDecoders() const
    624 {
    625     Vector<audio_decoder> decoders;
    626     for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
    627         decoders.add(mAudioDecoders[i]->mCodec);
    628     }
    629     return decoders;  // copy out
    630 }
    631 
    632 int MediaProfiles::getCamcorderProfileParamByName(const char *name, camcorder_quality quality) const
    633 {
    634     LOGV("getCamcorderProfileParamByName: %s for quality %d", name, quality);
    635 
    636     int index = -1;
    637     for (size_t i = 0, n = mCamcorderProfiles.size(); i < n; ++i) {
    638         if (mCamcorderProfiles[i]->mQuality == quality) {
    639             index = i;
    640             break;
    641         }
    642     }
    643     if (index == -1) {
    644         LOGE("The given camcorder profile quality %d is not found", quality);
    645         return -1;
    646     }
    647 
    648     if (!strcmp("duration", name)) return mCamcorderProfiles[index]->mDuration;
    649     if (!strcmp("file.format", name)) return mCamcorderProfiles[index]->mFileFormat;
    650     if (!strcmp("vid.codec", name)) return mCamcorderProfiles[index]->mVideoCodec->mCodec;
    651     if (!strcmp("vid.width", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameWidth;
    652     if (!strcmp("vid.height", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameHeight;
    653     if (!strcmp("vid.bps", name)) return mCamcorderProfiles[index]->mVideoCodec->mBitRate;
    654     if (!strcmp("vid.fps", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameRate;
    655     if (!strcmp("aud.codec", name)) return mCamcorderProfiles[index]->mAudioCodec->mCodec;
    656     if (!strcmp("aud.bps", name)) return mCamcorderProfiles[index]->mAudioCodec->mBitRate;
    657     if (!strcmp("aud.ch", name)) return mCamcorderProfiles[index]->mAudioCodec->mChannels;
    658     if (!strcmp("aud.hz", name)) return mCamcorderProfiles[index]->mAudioCodec->mSampleRate;
    659 
    660     LOGE("The given camcorder profile param name %s is not found", name);
    661     return -1;
    662 }
    663 
    664 Vector<int> MediaProfiles::getImageEncodingQualityLevels() const
    665 {
    666     return mImageEncodingQualityLevels;  // copy out
    667 }
    668 
    669 MediaProfiles::~MediaProfiles()
    670 {
    671     CHECK("destructor should never be called" == 0);
    672 #if 0
    673     for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
    674         delete mAudioEncoders[i];
    675     }
    676     mAudioEncoders.clear();
    677 
    678     for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
    679         delete mVideoEncoders[i];
    680     }
    681     mVideoEncoders.clear();
    682 
    683     for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
    684         delete mVideoDecoders[i];
    685     }
    686     mVideoDecoders.clear();
    687 
    688     for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
    689         delete mAudioDecoders[i];
    690     }
    691     mAudioDecoders.clear();
    692 
    693     for (size_t i = 0; i < mCamcorderProfiles.size(); ++i) {
    694         delete mCamcorderProfiles[i];
    695     }
    696     mCamcorderProfiles.clear();
    697 #endif
    698 }
    699 } // namespace android
    700