Examples with MediaCodecInfo android.media.MediaCodecInfo used on opensource projects

Example 1 with MediaCodecInfo

use of android.media.MediaCodecInfo in project acra by ACRA.

the class MediaCodecListCollector method collectCapabilitiesForType.

/**
     * Retrieve capabilities (ColorFormats and CodecProfileLevels) for a
     * specific codec type.
     *
     * @param codecInfo the currently inspected codec
     * @param type      supported type to collect
     * @return the color formats and codec profile levels
     * available for a specific codec type.
     */
@NonNull
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private JSONObject collectCapabilitiesForType(@NonNull final MediaCodecInfo codecInfo, @NonNull String type) throws JSONException {
    final JSONObject result = new JSONObject();
    final MediaCodecInfo.CodecCapabilities codecCapabilities = codecInfo.getCapabilitiesForType(type);
    // Color Formats
    final int[] colorFormats = codecCapabilities.colorFormats;
    if (colorFormats.length > 0) {
        JSONArray colorFormatsJson = new JSONArray();
        for (int colorFormat : colorFormats) {
            colorFormatsJson.put(mColorFormatValues.get(colorFormat));
        }
        result.put("colorFormats", colorFormatsJson);
    }
    final CodecType codecType = identifyCodecType(codecInfo);
    // Profile Levels
    final MediaCodecInfo.CodecProfileLevel[] codecProfileLevels = codecCapabilities.profileLevels;
    if (codecProfileLevels.length > 0) {
        JSONArray profileLevels = new JSONArray();
        for (MediaCodecInfo.CodecProfileLevel codecProfileLevel : codecProfileLevels) {
            final int profileValue = codecProfileLevel.profile;
            final int levelValue = codecProfileLevel.level;
            if (codecType == null) {
                // Unknown codec
                profileLevels.put(profileValue + '-' + levelValue);
                break;
            }
            switch(codecType) {
                case AVC:
                    profileLevels.put(profileValue + mAVCProfileValues.get(profileValue) + '-' + mAVCLevelValues.get(levelValue));
                    break;
                case H263:
                    profileLevels.put(mH263ProfileValues.get(profileValue) + '-' + mH263LevelValues.get(levelValue));
                    break;
                case MPEG4:
                    profileLevels.put(mMPEG4ProfileValues.get(profileValue) + '-' + mMPEG4LevelValues.get(levelValue));
                    break;
                case AAC:
                    profileLevels.put(mAACProfileValues.get(profileValue));
                    break;
                default:
                    break;
            }
        }
        result.put("profileLevels", profileLevels);
    }
    return result;
}

Example 2 with MediaCodecInfo

use of android.media.MediaCodecInfo in project acra by ACRA.

the class MediaCodecListCollector method collectMediaCodecList.

/**
     * Builds an Element describing the list of available codecs on the device
     * with their capabilities (supported Color Formats, Codec Profiles et
     * Levels).
     *
     * @return The media codecs information
     */
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@NonNull
private Element collectMediaCodecList() throws JSONException {
    prepare();
    final MediaCodecInfo[] infos;
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        //noinspection deprecation
        final int codecCount = MediaCodecList.getCodecCount();
        infos = new MediaCodecInfo[codecCount];
        for (int codecIdx = 0; codecIdx < codecCount; codecIdx++) {
            //noinspection deprecation
            infos[codecIdx] = MediaCodecList.getCodecInfoAt(codecIdx);
        }
    } else {
        infos = new MediaCodecList(MediaCodecList.ALL_CODECS).getCodecInfos();
    }
    final ComplexElement result = new ComplexElement();
    for (int i = 0; i < infos.length; i++) {
        final MediaCodecInfo codecInfo = infos[i];
        JSONObject codec = new JSONObject();
        final String[] supportedTypes = codecInfo.getSupportedTypes();
        codec.put("name", codecInfo.getName()).put("isEncoder", codecInfo.isEncoder());
        JSONObject supportedTypesJson = new JSONObject();
        for (String type : supportedTypes) {
            supportedTypesJson.put(type, collectCapabilitiesForType(codecInfo, type));
        }
        codec.put("supportedTypes", supportedTypesJson);
        result.put(String.valueOf(i), codec);
    }
    return result;
}

Example 3 with MediaCodecInfo

use of android.media.MediaCodecInfo in project android_frameworks_base by DirtyUnicorns.

the class MediaCodecList method initCodecList.

private static final void initCodecList() {
    synchronized (sInitLock) {
        if (sRegularCodecInfos == null) {
            int count = native_getCodecCount();
            ArrayList<MediaCodecInfo> regulars = new ArrayList<MediaCodecInfo>();
            ArrayList<MediaCodecInfo> all = new ArrayList<MediaCodecInfo>();
            for (int index = 0; index < count; index++) {
                try {
                    MediaCodecInfo info = getNewCodecInfoAt(index);
                    all.add(info);
                    info = info.makeRegular();
                    if (info != null) {
                        regulars.add(info);
                    }
                } catch (Exception e) {
                    Log.e(TAG, "Could not get codec capabilities", e);
                }
            }
            sRegularCodecInfos = regulars.toArray(new MediaCodecInfo[regulars.size()]);
            sAllCodecInfos = all.toArray(new MediaCodecInfo[all.size()]);
        }
    }
}

Example 4 with MediaCodecInfo

use of android.media.MediaCodecInfo in project android_frameworks_base by DirtyUnicorns.

the class CpuVideoTrackDecoder method findDecoderCodec.

/**
     * Looks for a codec with the specified requirements.
     *
     * The set of codecs will be filtered down to those that meet the following requirements:
     * <ol>
     *   <li>The codec is a decoder.</li>
     *   <li>The codec can decode a video of the specified format.</li>
     *   <li>The codec can decode to one of the specified color formats.</li>
     * </ol>
     * If multiple codecs are found, the one with the preferred color-format is taken. Color format
     * preference is determined by the order of their appearance in the color format array.
     *
     * @param format The format the codec must decode.
     * @param requiredColorFormats Array of target color spaces ordered by preference.
     * @return A codec that meets the requirements, or null if no such codec was found.
     */
private static MediaCodec findDecoderCodec(MediaFormat format, int[] requiredColorFormats) {
    TreeMap<Integer, String> candidateCodecs = new TreeMap<Integer, String>();
    SparseIntArray colorPriorities = intArrayToPriorityMap(requiredColorFormats);
    for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
        // Get next codec
        MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
        // Check that this is a decoder
        if (info.isEncoder()) {
            continue;
        }
        // Check if this codec can decode the video in question
        String requiredType = format.getString(MediaFormat.KEY_MIME);
        String[] supportedTypes = info.getSupportedTypes();
        Set<String> typeSet = new HashSet<String>(Arrays.asList(supportedTypes));
        // Check if it can decode to one of the required color formats
        if (typeSet.contains(requiredType)) {
            CodecCapabilities capabilities = info.getCapabilitiesForType(requiredType);
            for (int supportedColorFormat : capabilities.colorFormats) {
                if (colorPriorities.indexOfKey(supportedColorFormat) >= 0) {
                    int priority = colorPriorities.get(supportedColorFormat);
                    candidateCodecs.put(priority, info.getName());
                }
            }
        }
    }
    // Pick the best codec (with the highest color priority)
    if (candidateCodecs.isEmpty()) {
        return null;
    } else {
        String bestCodec = candidateCodecs.firstEntry().getValue();
        try {
            return MediaCodec.createByCodecName(bestCodec);
        } catch (IOException e) {
            throw new RuntimeException("failed to create codec for " + bestCodec, e);
        }
    }
}

Example 5 with MediaCodecInfo

use of android.media.MediaCodecInfo in project android_frameworks_base by crdroidandroid.

the class MediaCodecList method initCodecList.

private static final void initCodecList() {
    synchronized (sInitLock) {
        if (sRegularCodecInfos == null) {
            int count = native_getCodecCount();
            ArrayList<MediaCodecInfo> regulars = new ArrayList<MediaCodecInfo>();
            ArrayList<MediaCodecInfo> all = new ArrayList<MediaCodecInfo>();
            for (int index = 0; index < count; index++) {
                try {
                    MediaCodecInfo info = getNewCodecInfoAt(index);
                    all.add(info);
                    info = info.makeRegular();
                    if (info != null) {
                        regulars.add(info);
                    }
                } catch (Exception e) {
                    Log.e(TAG, "Could not get codec capabilities", e);
                }
            }
            sRegularCodecInfos = regulars.toArray(new MediaCodecInfo[regulars.size()]);
            sAllCodecInfos = all.toArray(new MediaCodecInfo[all.size()]);
        }
    }
}