Initial check-in for xml-based encoder capabilities retrieval

- Changed the Java API as suggested
- Treat /etc/media_profiles.xml as the default xml configurtion file

1 files changed, 675 insertions, 0 deletions

diff --git a/media/libmedia/MediaProfiles.cpp b/media/libmedia/MediaProfiles.cpp
new file mode 100644
index 0000000..0efade1
--- /dev/null
+++ b/media/libmedia/MediaProfiles.cpp
@@ -0,0 +1,675 @@
+/*
+**
+** Copyright 2010, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaProfiles"
+
+#include <stdlib.h>
+#include <utils/Log.h>
+#include <utils/Vector.h>
+#include <cutils/properties.h>
+#include <expat.h>
+#include <media/MediaProfiles.h>
+#include <media/stagefright/MediaDebug.h>
+
+namespace android {
+
+Mutex MediaProfiles::sLock;
+bool MediaProfiles::sIsInitialized = false;
+MediaProfiles *MediaProfiles::sInstance = NULL;
+
+const MediaProfiles::NameToTagMap MediaProfiles::sVideoEncoderNameMap[] = {
+    {"h263", VIDEO_ENCODER_H263},
+    {"h264", VIDEO_ENCODER_H264},
+    {"m4v",  VIDEO_ENCODER_MPEG_4_SP}
+};
+
+const MediaProfiles::NameToTagMap MediaProfiles::sAudioEncoderNameMap[] = {
+    {"amrnb", AUDIO_ENCODER_AMR_NB},
+    {"amrwb", AUDIO_ENCODER_AMR_WB},
+    {"aac",   AUDIO_ENCODER_AAC},
+};
+
+const MediaProfiles::NameToTagMap MediaProfiles::sFileFormatMap[] = {
+    {"3gp", OUTPUT_FORMAT_THREE_GPP},
+    {"mp4", OUTPUT_FORMAT_MPEG_4}
+};
+
+const MediaProfiles::NameToTagMap MediaProfiles::sVideoDecoderNameMap[] = {
+    {"wmv", VIDEO_DECODER_WMV}
+};
+
+const MediaProfiles::NameToTagMap MediaProfiles::sAudioDecoderNameMap[] = {
+    {"wma", AUDIO_DECODER_WMA}
+};
+
+const MediaProfiles::NameToTagMap MediaProfiles::sCamcorderQualityNameMap[] = {
+    {"high", CAMCORDER_QUALITY_HIGH},
+    {"low",  CAMCORDER_QUALITY_LOW}
+};
+
+/*static*/ void
+MediaProfiles::logVideoCodec(const MediaProfiles::VideoCodec& codec)
+{
+    LOGV("video codec:");
+    LOGV("codec = %d", codec.mCodec);
+    LOGV("bit rate: %d", codec.mBitRate);
+    LOGV("frame width: %d", codec.mFrameWidth);
+    LOGV("frame height: %d", codec.mFrameHeight);
+    LOGV("frame rate: %d", codec.mFrameRate);
+}
+
+/*static*/ void
+MediaProfiles::logAudioCodec(const MediaProfiles::AudioCodec& codec)
+{
+    LOGV("audio codec:");
+    LOGV("codec = %d", codec.mCodec);
+    LOGV("bit rate: %d", codec.mBitRate);
+    LOGV("sample rate: %d", codec.mSampleRate);
+    LOGV("number of channels: %d", codec.mChannels);
+}
+
+/*static*/ void
+MediaProfiles::logVideoEncoderCap(const MediaProfiles::VideoEncoderCap& cap)
+{
+    LOGV("video encoder cap:");
+    LOGV("codec = %d", cap.mCodec);
+    LOGV("bit rate: min = %d and max = %d", cap.mMinBitRate, cap.mMaxBitRate);
+    LOGV("frame width: min = %d and max = %d", cap.mMinFrameWidth, cap.mMaxFrameWidth);
+    LOGV("frame height: min = %d and max = %d", cap.mMinFrameHeight, cap.mMaxFrameHeight);
+    LOGV("frame rate: min = %d and max = %d", cap.mMinFrameRate, cap.mMaxFrameRate);
+}
+
+/*static*/ void
+MediaProfiles::logAudioEncoderCap(const MediaProfiles::AudioEncoderCap& cap)
+{
+    LOGV("audio encoder cap:");
+    LOGV("codec = %d", cap.mCodec);
+    LOGV("bit rate: min = %d and max = %d", cap.mMinBitRate, cap.mMaxBitRate);
+    LOGV("sample rate: min = %d and max = %d", cap.mMinSampleRate, cap.mMaxSampleRate);
+    LOGV("number of channels: min = %d and max = %d", cap.mMinChannels, cap.mMaxChannels);
+}
+
+/*static*/ void
+MediaProfiles::logVideoDecoderCap(const MediaProfiles::VideoDecoderCap& cap)
+{
+    LOGV("video decoder cap:");
+    LOGV("codec = %d", cap.mCodec);
+}
+
+/*static*/ void
+MediaProfiles::logAudioDecoderCap(const MediaProfiles::AudioDecoderCap& cap)
+{
+    LOGV("audio codec cap:");
+    LOGV("codec = %d", cap.mCodec);
+}
+
+/*static*/ int
+MediaProfiles::findTagForName(const MediaProfiles::NameToTagMap *map, size_t nMappings, const char *name)
+{
+    int tag = -1;
+    for (size_t i = 0; i < nMappings; ++i) {
+        if (!strcmp(map[i].name, name)) {
+            tag = map[i].tag;
+            break;
+        }
+    }
+    return tag;
+}
+
+/*static*/ MediaProfiles::VideoCodec*
+MediaProfiles::createVideoCodec(const char **atts, MediaProfiles *profiles)
+{
+    CHECK(!strcmp("codec",     atts[0]) &&
+          !strcmp("bitRate",   atts[2]) &&
+          !strcmp("width",     atts[4]) &&
+          !strcmp("height",    atts[6]) &&
+          !strcmp("frameRate", atts[8]));
+
+    const size_t nMappings = sizeof(sVideoEncoderNameMap)/sizeof(sVideoEncoderNameMap[0]);
+    const int codec = findTagForName(sVideoEncoderNameMap, nMappings, atts[1]);
+    CHECK(codec != -1);
+
+    MediaProfiles::VideoCodec *videoCodec =
+        new MediaProfiles::VideoCodec(static_cast<video_encoder>(codec),
+            atoi(atts[3]), atoi(atts[5]), atoi(atts[7]), atoi(atts[9]));
+    logVideoCodec(*videoCodec);
+
+    size_t nCamcorderProfiles;
+    CHECK((nCamcorderProfiles = profiles->mCamcorderProfiles.size()) >= 1);
+    profiles->mCamcorderProfiles[nCamcorderProfiles - 1]->mVideoCodec = videoCodec;
+    return videoCodec;
+}
+
+/*static*/ MediaProfiles::AudioCodec*
+MediaProfiles::createAudioCodec(const char **atts, MediaProfiles *profiles)
+{
+    CHECK(!strcmp("codec",      atts[0]) &&
+          !strcmp("bitRate",    atts[2]) &&
+          !strcmp("sampleRate", atts[4]) &&
+          !strcmp("channels",   atts[6]));
+    const size_t nMappings = sizeof(sAudioEncoderNameMap)/sizeof(sAudioEncoderNameMap[0]);
+    const int codec = findTagForName(sAudioEncoderNameMap, nMappings, atts[1]);
+    CHECK(codec != -1);
+
+    MediaProfiles::AudioCodec *audioCodec =
+        new MediaProfiles::AudioCodec(static_cast<audio_encoder>(codec),
+            atoi(atts[3]), atoi(atts[5]), atoi(atts[7]));
+    logAudioCodec(*audioCodec);
+
+    size_t nCamcorderProfiles;
+    CHECK((nCamcorderProfiles = profiles->mCamcorderProfiles.size()) >= 1);
+    profiles->mCamcorderProfiles[nCamcorderProfiles - 1]->mAudioCodec = audioCodec;
+    return audioCodec;
+}
+/*static*/ MediaProfiles::AudioDecoderCap*
+MediaProfiles::createAudioDecoderCap(const char **atts)
+{
+    CHECK(!strcmp("name",    atts[0]) &&
+          !strcmp("enabled", atts[2]));
+
+    const size_t nMappings = sizeof(sAudioDecoderNameMap)/sizeof(sAudioDecoderNameMap[0]);
+    const int codec = findTagForName(sAudioDecoderNameMap, nMappings, atts[1]);
+    CHECK(codec != -1);
+
+    MediaProfiles::AudioDecoderCap *cap =
+        new MediaProfiles::AudioDecoderCap(static_cast<audio_decoder>(codec));
+    logAudioDecoderCap(*cap);
+    return cap;
+}
+
+/*static*/ MediaProfiles::VideoDecoderCap*
+MediaProfiles::createVideoDecoderCap(const char **atts)
+{
+    CHECK(!strcmp("name",    atts[0]) &&
+          !strcmp("enabled", atts[2]));
+
+    const size_t nMappings = sizeof(sVideoDecoderNameMap)/sizeof(sVideoDecoderNameMap[0]);
+    const int codec = findTagForName(sVideoDecoderNameMap, nMappings, atts[1]);
+    CHECK(codec != -1);
+
+    MediaProfiles::VideoDecoderCap *cap =
+        new MediaProfiles::VideoDecoderCap(static_cast<video_decoder>(codec));
+    logVideoDecoderCap(*cap);
+    return cap;
+}
+
+/*static*/ MediaProfiles::VideoEncoderCap*
+MediaProfiles::createVideoEncoderCap(const char **atts)
+{
+    CHECK(!strcmp("name",           atts[0])  &&
+          !strcmp("enabled",        atts[2])  &&
+          !strcmp("minBitRate",     atts[4])  &&
+          !strcmp("maxBitRate",     atts[6])  &&
+          !strcmp("minFrameWidth",  atts[8])  &&
+          !strcmp("maxFrameWidth",  atts[10]) &&
+          !strcmp("minFrameHeight", atts[12]) &&
+          !strcmp("maxFrameHeight", atts[14]) &&
+          !strcmp("minFrameRate",   atts[16]) &&
+          !strcmp("maxFrameRate",   atts[18]));
+
+    const size_t nMappings = sizeof(sVideoEncoderNameMap)/sizeof(sVideoEncoderNameMap[0]);
+    const int codec = findTagForName(sVideoEncoderNameMap, nMappings, atts[1]);
+    CHECK(codec != -1);
+
+    MediaProfiles::VideoEncoderCap *cap =
+        new MediaProfiles::VideoEncoderCap(static_cast<video_encoder>(codec),
+            atoi(atts[5]), atoi(atts[7]), atoi(atts[9]), atoi(atts[11]), atoi(atts[13]),
+            atoi(atts[15]), atoi(atts[17]), atoi(atts[19]));
+    logVideoEncoderCap(*cap);
+    return cap;
+}
+
+/*static*/ MediaProfiles::AudioEncoderCap*
+MediaProfiles::createAudioEncoderCap(const char **atts)
+{
+    CHECK(!strcmp("name",          atts[0])  &&
+          !strcmp("enabled",       atts[2])  &&
+          !strcmp("minBitRate",    atts[4])  &&
+          !strcmp("maxBitRate",    atts[6])  &&
+          !strcmp("minSampleRate", atts[8])  &&
+          !strcmp("maxSampleRate", atts[10]) &&
+          !strcmp("minChannels",   atts[12]) &&
+          !strcmp("maxChannels",   atts[14]));
+
+    const size_t nMappings = sizeof(sAudioEncoderNameMap)/sizeof(sAudioEncoderNameMap[0]);
+    const int codec = findTagForName(sAudioEncoderNameMap, nMappings, atts[1]);
+    CHECK(codec != -1);
+
+    MediaProfiles::AudioEncoderCap *cap =
+        new MediaProfiles::AudioEncoderCap(static_cast<audio_encoder>(codec), atoi(atts[5]), atoi(atts[7]),
+            atoi(atts[9]), atoi(atts[11]), atoi(atts[13]),
+            atoi(atts[15]));
+    logAudioEncoderCap(*cap);
+    return cap;
+}
+
+/*static*/ output_format
+MediaProfiles::createEncoderOutputFileFormat(const char **atts)
+{
+    CHECK(!strcmp("name", atts[0]));
+
+    const size_t nMappings =sizeof(sFileFormatMap)/sizeof(sFileFormatMap[0]);
+    const int format = findTagForName(sFileFormatMap, nMappings, atts[1]);
+    CHECK(format != -1);
+
+    return static_cast<output_format>(format);
+}
+
+/*static*/ MediaProfiles::CamcorderProfile*
+MediaProfiles::createCamcorderProfile(const char **atts)
+{
+    CHECK(!strcmp("quality",    atts[0]) &&
+          !strcmp("fileFormat", atts[2]) &&
+          !strcmp("duration",   atts[4]));
+
+    const size_t nProfileMappings = sizeof(sCamcorderQualityNameMap)/sizeof(sCamcorderQualityNameMap[0]);
+    const int quality = findTagForName(sCamcorderQualityNameMap, nProfileMappings, atts[1]);
+    CHECK(quality != -1);
+
+    const size_t nFormatMappings = sizeof(sFileFormatMap)/sizeof(sFileFormatMap[0]);
+    const int fileFormat = findTagForName(sFileFormatMap, nFormatMappings, atts[3]);
+    CHECK(fileFormat != -1);
+
+    MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
+    profile->mFileFormat = static_cast<output_format>(fileFormat);
+    profile->mQuality = static_cast<camcorder_quality>(quality);
+    profile->mDuration = atoi(atts[5]);
+    return profile;
+}
+
+/*static*/ void
+MediaProfiles::startElementHandler(void *userData, const char *name, const char **atts)
+{
+    MediaProfiles *profiles = (MediaProfiles *) userData;
+    if (strcmp("Video", name) == 0) {
+        createVideoCodec(atts, profiles);
+    } else if (strcmp("Audio", name) == 0) {
+        createAudioCodec(atts, profiles);
+    } else if (strcmp("VideoEncoderCap", name) == 0 &&
+               strcmp("true", atts[3]) == 0) {
+        profiles->mVideoEncoders.add(createVideoEncoderCap(atts));
+    } else if (strcmp("AudioEncoderCap", name) == 0 &&
+               strcmp("true", atts[3]) == 0) {
+        profiles->mAudioEncoders.add(createAudioEncoderCap(atts));
+    } else if (strcmp("VideoDecoderCap", name) == 0 &&
+               strcmp("true", atts[3]) == 0) {
+        profiles->mVideoDecoders.add(createVideoDecoderCap(atts));
+    } else if (strcmp("AudioDecoderCap", name) == 0 &&
+               strcmp("true", atts[3]) == 0) {
+        profiles->mAudioDecoders.add(createAudioDecoderCap(atts));
+    } else if (strcmp("EncoderOutputFileFormat", name) == 0) {
+        profiles->mEncoderOutputFileFormats.add(createEncoderOutputFileFormat(atts));
+    } else if (strcmp("EncoderProfile", name) == 0) {
+        profiles->mCamcorderProfiles.add(createCamcorderProfile(atts));
+    }
+}
+
+/*static*/ MediaProfiles*
+MediaProfiles::getInstance()
+{
+    LOGV("getInstance");
+    Mutex::Autolock lock(sLock);
+    if (!sIsInitialized) {
+        char value[PROPERTY_VALUE_MAX];
+        if (property_get("media.settings.xml", value, NULL) <= 0) {
+            const char *defaultXmlFile = "/etc/media_profiles.xml";
+            FILE *fp = fopen(defaultXmlFile, "r");
+            if (fp == NULL) {
+                LOGW("could not find media config xml file");
+                sInstance = createDefaultInstance();
+            } else {
+                fclose(fp);  // close the file first.
+                sInstance = createInstanceFromXmlFile(defaultXmlFile);
+            }
+        } else {
+            sInstance = createInstanceFromXmlFile(value);
+        }
+    }
+
+    return sInstance;
+}
+
+/*static*/ MediaProfiles::VideoEncoderCap*
+MediaProfiles::createDefaultH263VideoEncoderCap()
+{
+    return new MediaProfiles::VideoEncoderCap(
+        VIDEO_ENCODER_H263, 192000, 420000, 176, 352, 144, 288, 1, 20);
+}
+
+/*static*/ MediaProfiles::VideoEncoderCap*
+MediaProfiles::createDefaultM4vVideoEncoderCap()
+{
+    return new MediaProfiles::VideoEncoderCap(
+        VIDEO_ENCODER_MPEG_4_SP, 192000, 420000, 176, 352, 144, 288, 1, 20);
+}
+
+
+/*static*/ void
+MediaProfiles::createDefaultVideoEncoders(MediaProfiles *profiles)
+{
+    profiles->mVideoEncoders.add(createDefaultH263VideoEncoderCap());
+    profiles->mVideoEncoders.add(createDefaultM4vVideoEncoderCap());
+}
+
+/*static*/ MediaProfiles::CamcorderProfile*
+MediaProfiles::createDefaultCamcorderHighProfile()
+{
+    MediaProfiles::VideoCodec *videoCodec =
+        new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 360000, 352, 288, 20);
+
+    AudioCodec *audioCodec = new AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
+    CamcorderProfile *profile = new CamcorderProfile;
+    profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
+    profile->mQuality = CAMCORDER_QUALITY_HIGH;
+    profile->mDuration = 60;
+    profile->mVideoCodec = videoCodec;
+    profile->mAudioCodec = audioCodec;
+    return profile;
+}
+
+/*static*/ MediaProfiles::CamcorderProfile*
+MediaProfiles::createDefaultCamcorderLowProfile()
+{
+    MediaProfiles::VideoCodec *videoCodec =
+        new MediaProfiles::VideoCodec(VIDEO_ENCODER_H263, 192000, 176, 144, 20);
+
+    MediaProfiles::AudioCodec *audioCodec =
+        new MediaProfiles::AudioCodec(AUDIO_ENCODER_AMR_NB, 12200, 8000, 1);
+
+    MediaProfiles::CamcorderProfile *profile = new MediaProfiles::CamcorderProfile;
+    profile->mFileFormat = OUTPUT_FORMAT_THREE_GPP;
+    profile->mQuality = CAMCORDER_QUALITY_LOW;
+    profile->mDuration = 30;
+    profile->mVideoCodec = videoCodec;
+    profile->mAudioCodec = audioCodec;
+    return profile;
+}
+
+/*static*/ void
+MediaProfiles::createDefaultCamcorderProfiles(MediaProfiles *profiles)
+{
+    profiles->mCamcorderProfiles.add(createDefaultCamcorderHighProfile());
+    profiles->mCamcorderProfiles.add(createDefaultCamcorderLowProfile());
+}
+
+/*static*/ void
+MediaProfiles::createDefaultAudioEncoders(MediaProfiles *profiles)
+{
+    profiles->mAudioEncoders.add(createDefaultAmrNBEncoderCap());
+}
+
+/*static*/ void
+MediaProfiles::createDefaultVideoDecoders(MediaProfiles *profiles)
+{
+    MediaProfiles::VideoDecoderCap *cap =
+        new MediaProfiles::VideoDecoderCap(VIDEO_DECODER_WMV);
+
+    profiles->mVideoDecoders.add(cap);
+}
+
+/*static*/ void
+MediaProfiles::createDefaultAudioDecoders(MediaProfiles *profiles)
+{
+    MediaProfiles::AudioDecoderCap *cap =
+        new MediaProfiles::AudioDecoderCap(AUDIO_DECODER_WMA);
+
+    profiles->mAudioDecoders.add(cap);
+}
+
+/*static*/ void
+MediaProfiles::createDefaultEncoderOutputFileFormats(MediaProfiles *profiles)
+{
+    profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_THREE_GPP);
+    profiles->mEncoderOutputFileFormats.add(OUTPUT_FORMAT_MPEG_4);
+}
+
+/*static*/ MediaProfiles::AudioEncoderCap*
+MediaProfiles::createDefaultAmrNBEncoderCap()
+{
+    return new MediaProfiles::AudioEncoderCap(
+        AUDIO_ENCODER_AMR_NB, 5525, 12200, 8000, 8000, 1, 1);
+}
+
+/*static*/ MediaProfiles*
+MediaProfiles::createDefaultInstance()
+{
+    MediaProfiles *profiles = new MediaProfiles;
+    createDefaultCamcorderProfiles(profiles);
+    createDefaultVideoEncoders(profiles);
+    createDefaultAudioEncoders(profiles);
+    createDefaultVideoDecoders(profiles);
+    createDefaultAudioDecoders(profiles);
+    createDefaultEncoderOutputFileFormats(profiles);
+    sIsInitialized = true;
+    return profiles;
+}
+
+/*static*/ MediaProfiles*
+MediaProfiles::createInstanceFromXmlFile(const char *xml)
+{
+    FILE *fp = NULL;
+    CHECK((fp = fopen(xml, "r")));
+
+    XML_Parser parser = ::XML_ParserCreate(NULL);
+    CHECK(parser != NULL);
+
+    MediaProfiles *profiles = new MediaProfiles();
+    ::XML_SetUserData(parser, profiles);
+    ::XML_SetElementHandler(parser, startElementHandler, NULL);
+
+    /*
+      FIXME:
+      expat is not compiled with -DXML_DTD. We don't have DTD parsing support.
+
+      if (!::XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_ALWAYS)) {
+          LOGE("failed to enable DTD support in the xml file");
+          return UNKNOWN_ERROR;
+      }
+
+    */
+
+    const int BUFF_SIZE = 512;
+    for (;;) {
+        void *buff = ::XML_GetBuffer(parser, BUFF_SIZE);
+        if (buff == NULL) {
+            LOGE("failed to in call to XML_GetBuffer()");
+            delete profiles;
+            profiles = NULL;
+            goto exit;
+        }
+
+        int bytes_read = ::fread(buff, 1, BUFF_SIZE, fp);
+        if (bytes_read < 0) {
+            LOGE("failed in call to read");
+            delete profiles;
+            profiles = NULL;
+            goto exit;
+        }
+
+        CHECK(::XML_ParseBuffer(parser, bytes_read, bytes_read == 0));
+
+        if (bytes_read == 0) break;  // done parsing the xml file
+    }
+
+exit:
+    ::XML_ParserFree(parser);
+    ::fclose(fp);
+    if (profiles) {
+        sIsInitialized = true;
+    }
+    return profiles;
+}
+
+Vector<output_format> MediaProfiles::getOutputFileFormats() const
+{
+    return mEncoderOutputFileFormats;  // copy out
+}
+
+Vector<video_encoder> MediaProfiles::getVideoEncoders() const
+{
+    Vector<video_encoder> encoders;
+    for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
+        encoders.add(mVideoEncoders[i]->mCodec);
+    }
+    return encoders;  // copy out
+}
+
+int MediaProfiles::getVideoEncoderParamByName(const char *name, video_encoder codec) const
+{
+    LOGV("getVideoEncoderParamByName: %s for codec %d", name, codec);
+    int index = -1;
+    for (size_t i = 0, n = mVideoEncoders.size(); i < n; ++i) {
+        if (mVideoEncoders[i]->mCodec == codec) {
+            index = i;
+            break;
+        }
+    }
+    if (index == -1) {
+        LOGE("The given video encoder %d is not found", codec);
+        return -1;
+    }
+
+    if (!strcmp("enc.vid.width.min", name)) return mVideoEncoders[index]->mMinFrameWidth;
+    if (!strcmp("enc.vid.width.max", name)) return mVideoEncoders[index]->mMaxFrameWidth;
+    if (!strcmp("enc.vid.height.min", name)) return mVideoEncoders[index]->mMinFrameHeight;
+    if (!strcmp("enc.vid.height.max", name)) return mVideoEncoders[index]->mMaxFrameHeight;
+    if (!strcmp("enc.vid.bps.min", name)) return mVideoEncoders[index]->mMinBitRate;
+    if (!strcmp("enc.vid.bps.max", name)) return mVideoEncoders[index]->mMaxBitRate;
+    if (!strcmp("enc.vid.fps.min", name)) return mVideoEncoders[index]->mMinFrameRate;
+    if (!strcmp("enc.vid.fps.max", name)) return mVideoEncoders[index]->mMaxFrameRate;
+
+    LOGE("The given video encoder param name %s is not found", name);
+    return -1;
+}
+
+Vector<audio_encoder> MediaProfiles::getAudioEncoders() const
+{
+    Vector<audio_encoder> encoders;
+    for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
+        encoders.add(mAudioEncoders[i]->mCodec);
+    }
+    return encoders;  // copy out
+}
+
+int MediaProfiles::getAudioEncoderParamByName(const char *name, audio_encoder codec) const
+{
+    LOGV("getAudioEncoderParamByName: %s for codec %d", name, codec);
+    int index = -1;
+    for (size_t i = 0, n = mAudioEncoders.size(); i < n; ++i) {
+        if (mAudioEncoders[i]->mCodec == codec) {
+            index = i;
+            break;
+        }
+    }
+    if (index == -1) {
+        LOGE("The given audio encoder %d is not found", codec);
+        return -1;
+    }
+
+    if (!strcmp("enc.aud.ch.min", name)) return mAudioEncoders[index]->mMinChannels;
+    if (!strcmp("enc.aud.ch.max", name)) return mAudioEncoders[index]->mMaxChannels;
+    if (!strcmp("enc.aud.bps.min", name)) return mAudioEncoders[index]->mMinBitRate;
+    if (!strcmp("enc.aud.bps.max", name)) return mAudioEncoders[index]->mMaxBitRate;
+    if (!strcmp("enc.aud.hz.min", name)) return mAudioEncoders[index]->mMinSampleRate;
+    if (!strcmp("enc.aud.hz.max", name)) return mAudioEncoders[index]->mMaxSampleRate;
+
+    LOGE("The given audio encoder param name %s is not found", name);
+    return -1;
+}
+
+Vector<video_decoder> MediaProfiles::getVideoDecoders() const
+{
+    Vector<video_decoder> decoders;
+    for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
+        decoders.add(mVideoDecoders[i]->mCodec);
+    }
+    return decoders;  // copy out
+}
+
+Vector<audio_decoder> MediaProfiles::getAudioDecoders() const
+{
+    Vector<audio_decoder> decoders;
+    for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
+        decoders.add(mAudioDecoders[i]->mCodec);
+    }
+    return decoders;  // copy out
+}
+
+int MediaProfiles::getCamcorderProfileParamByName(const char *name, camcorder_quality quality) const
+{
+    LOGV("getCamcorderProfileParamByName: %s for quality %d", name, quality);
+
+    int index = -1;
+    for (size_t i = 0, n = mCamcorderProfiles.size(); i < n; ++i) {
+        if (mCamcorderProfiles[i]->mQuality == quality) {
+            index = i;
+            break;
+        }
+    }
+    if (index == -1) {
+        LOGE("The given camcorder profile quality %d is not found", quality);
+        return -1;
+    }
+
+    if (!strcmp("file.format", name)) return mCamcorderProfiles[index]->mFileFormat;
+    if (!strcmp("vid.codec", name)) return mCamcorderProfiles[index]->mVideoCodec->mCodec;
+    if (!strcmp("vid.width", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameWidth;
+    if (!strcmp("vid.height", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameHeight;
+    if (!strcmp("vid.bps", name)) return mCamcorderProfiles[index]->mVideoCodec->mBitRate;
+    if (!strcmp("vid.fps", name)) return mCamcorderProfiles[index]->mVideoCodec->mFrameRate;
+    if (!strcmp("aud.codec", name)) return mCamcorderProfiles[index]->mAudioCodec->mCodec;
+    if (!strcmp("aud.bps", name)) return mCamcorderProfiles[index]->mAudioCodec->mBitRate;
+    if (!strcmp("aud.ch", name)) return mCamcorderProfiles[index]->mAudioCodec->mChannels;
+    if (!strcmp("aud.hz", name)) return mCamcorderProfiles[index]->mAudioCodec->mSampleRate;
+
+    LOGE("The given camcorder profile param name %s is not found", name);
+    return -1;
+}
+
+MediaProfiles::~MediaProfiles()
+{
+    CHECK("destructor should never be called" == 0);
+#if 0
+    for (size_t i = 0; i < mAudioEncoders.size(); ++i) {
+        delete mAudioEncoders[i];
+    }
+    mAudioEncoders.clear();
+
+    for (size_t i = 0; i < mVideoEncoders.size(); ++i) {
+        delete mVideoEncoders[i];
+    }
+    mVideoEncoders.clear();
+
+    for (size_t i = 0; i < mVideoDecoders.size(); ++i) {
+        delete mVideoDecoders[i];
+    }
+    mVideoDecoders.clear();
+
+    for (size_t i = 0; i < mAudioDecoders.size(); ++i) {
+        delete mAudioDecoders[i];
+    }
+    mAudioDecoders.clear();
+
+    for (size_t i = 0; i < mCamcorderProfiles.size(); ++i) {
+        delete mCamcorderProfiles[i];
+    }
+    mCamcorderProfiles.clear();
+#endif
+}
+} // namespace android