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

Example 86 with MediaCodecInfo

use of android.media.MediaCodecInfo in project AndroidUSBCamera by jiangdongguo.

the class MediaSurfaceEncoder method selectVideoCodec.

/**
 * select the first codec that match a specific MIME type
 * @param mimeType
 * @return null if no codec matched
 */
protected static final MediaCodecInfo selectVideoCodec(final String mimeType) {
    if (DEBUG)
        Log.v(TAG, "selectVideoCodec:");
    // get the list of available codecs
    final int numCodecs = MediaCodecList.getCodecCount();
    for (int i = 0; i < numCodecs; i++) {
        final MediaCodecInfo codecInfo = MediaCodecList.getCodecInfoAt(i);
        if (!codecInfo.isEncoder()) {
            // skipp decoder
            continue;
        }
        // select first codec that match a specific MIME type and color format
        final String[] types = codecInfo.getSupportedTypes();
        for (int j = 0; j < types.length; j++) {
            if (types[j].equalsIgnoreCase(mimeType)) {
                if (DEBUG)
                    Log.i(TAG, "codec:" + codecInfo.getName() + ",MIME=" + types[j]);
                final int format = selectColorFormat(codecInfo, mimeType);
                if (format > 0) {
                    return codecInfo;
                }
            }
        }
    }
    return null;
}

Example 87 with MediaCodecInfo

use of android.media.MediaCodecInfo in project AndroidUSBCamera by jiangdongguo.

the class MediaVideoBufferEncoder method prepare.

@Override
protected void prepare() throws IOException {
    if (DEBUG)
        Log.i(TAG, "prepare: ");
    mTrackIndex = -1;
    mMuxerStarted = mIsEOS = false;
    final MediaCodecInfo videoCodecInfo = selectVideoCodec(MIME_TYPE);
    if (videoCodecInfo == null) {
        Log.e(TAG, "Unable to find an appropriate codec for " + MIME_TYPE);
        return;
    }
    if (DEBUG)
        Log.i(TAG, "selected codec: " + videoCodecInfo.getName());
    final MediaFormat format = MediaFormat.createVideoFormat(MIME_TYPE, mWidth, mHeight);
    format.setInteger(MediaFormat.KEY_COLOR_FORMAT, mColorFormat);
    format.setInteger(MediaFormat.KEY_BIT_RATE, calcBitRate());
    format.setInteger(MediaFormat.KEY_FRAME_RATE, FRAME_RATE);
    format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 10);
    if (DEBUG)
        Log.i(TAG, "format: " + format);
    mMediaCodec = MediaCodec.createEncoderByType(MIME_TYPE);
    mMediaCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
    mMediaCodec.start();
    Bundle params = new Bundle();
    params.putInt(MediaCodec.PARAMETER_KEY_REQUEST_SYNC_FRAME, 0);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        mMediaCodec.setParameters(params);
    }
    if (DEBUG)
        Log.i(TAG, "prepare finishing");
    if (mListener != null) {
        try {
            mListener.onPrepared(this);
        } catch (final Exception e) {
            Log.e(TAG, "prepare:", e);
        }
    }
}

Example 88 with MediaCodecInfo

use of android.media.MediaCodecInfo in project AndroidUSBCamera by jiangdongguo.

the class AACEncodeConsumer method selectSupportCodec.

/**
 * 遍历所有编解码器，返回第一个与指定MIME类型匹配的编码器
 *  判断是否有支持指定mime类型的编码器
 */
private MediaCodecInfo selectSupportCodec(String mimeType) {
    int numCodecs = MediaCodecList.getCodecCount();
    for (int i = 0; i < numCodecs; i++) {
        MediaCodecInfo codecInfo = MediaCodecList.getCodecInfoAt(i);
        // 判断是否为编码器，否则直接进入下一次循环
        if (!codecInfo.isEncoder()) {
            continue;
        }
        // 如果是编码器，判断是否支持Mime类型
        String[] types = codecInfo.getSupportedTypes();
        for (int j = 0; j < types.length; j++) {
            if (types[j].equalsIgnoreCase(mimeType)) {
                return codecInfo;
            }
        }
    }
    return null;
}

Example 89 with MediaCodecInfo

use of android.media.MediaCodecInfo in project AndroidUSBCamera by jiangdongguo.

the class AACEncodeConsumer method initMediaCodec.

private void initMediaCodec() {
    if (DEBUG)
        Log.d(TAG, "AACEncodeConsumer-->开始编码音频");
    MediaCodecInfo mCodecInfo = selectSupportCodec(MIME_TYPE);
    if (mCodecInfo == null) {
        Log.e(TAG, "编码器不支持" + MIME_TYPE + "类型");
        return;
    }
    try {
        mAudioEncoder = MediaCodec.createByCodecName(mCodecInfo.getName());
    } catch (IOException e) {
        Log.e(TAG, "创建编码器失败" + e.getMessage());
        e.printStackTrace();
    }
    MediaFormat format = new MediaFormat();
    format.setString(MediaFormat.KEY_MIME, "audio/mp4a-latm");
    format.setInteger(MediaFormat.KEY_BIT_RATE, BIT_RATE);
    format.setInteger(MediaFormat.KEY_CHANNEL_COUNT, 1);
    format.setInteger(MediaFormat.KEY_SAMPLE_RATE, SAMPLE_RATE);
    format.setInteger(MediaFormat.KEY_AAC_PROFILE, MediaCodecInfo.CodecProfileLevel.AACObjectLC);
    format.setInteger(MediaFormat.KEY_MAX_INPUT_SIZE, BUFFER_SIZE);
    mAudioEncoder.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
    mAudioEncoder.start();
    isEncoderStart = true;
}

Example 90 with MediaCodecInfo

use of android.media.MediaCodecInfo in project AndroidUSBCamera by jiangdongguo.

the class H264EncodeConsumer method selectVideoCodec.

/**
 * select the first codec that match a specific MIME type
 *
 * @param mimeType
 * @return null if no codec matched
 */
@SuppressWarnings("deprecation")
protected final MediaCodecInfo selectVideoCodec(final String mimeType) {
    // get the list of available codecs
    final int numCodecs = MediaCodecList.getCodecCount();
    for (int i = 0; i < numCodecs; i++) {
        final MediaCodecInfo codecInfo = MediaCodecList.getCodecInfoAt(i);
        if (!codecInfo.isEncoder()) {
            // skipp decoder
            continue;
        }
        // select first codec that match a specific MIME type and color format
        final String[] types = codecInfo.getSupportedTypes();
        for (int j = 0; j < types.length; j++) {
            if (types[j].equalsIgnoreCase(mimeType)) {
                final int format = selectColorFormat(codecInfo, mimeType);
                if (format > 0) {
                    mColorFormat = format;
                    return codecInfo;
                }
            }
        }
    }
    return null;
}