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

Example 21 with MediaFormat

use of android.media.MediaFormat in project Pix-Art-Messenger by kriztan.

the class MediaExtractorUtils method getFirstVideoAndAudioTrack.

public static TrackResult getFirstVideoAndAudioTrack(MediaExtractor extractor) {
    TrackResult trackResult = new TrackResult();
    trackResult.mVideoTrackIndex = -1;
    trackResult.mAudioTrackIndex = -1;
    int trackCount = extractor.getTrackCount();
    for (int i = 0; i < trackCount; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (trackResult.mVideoTrackIndex < 0 && mime.startsWith("video/")) {
            trackResult.mVideoTrackIndex = i;
            trackResult.mVideoTrackMime = mime;
            trackResult.mVideoTrackFormat = format;
        } else if (trackResult.mAudioTrackIndex < 0 && mime.startsWith("audio/")) {
            trackResult.mAudioTrackIndex = i;
            trackResult.mAudioTrackMime = mime;
            trackResult.mAudioTrackFormat = format;
        }
        if (trackResult.mVideoTrackIndex >= 0 && trackResult.mAudioTrackIndex >= 0)
            break;
    }
    if (trackResult.mVideoTrackIndex < 0 || trackResult.mAudioTrackIndex < 0) {
        throw new IllegalArgumentException("extractor does not contain video and/or audio tracks.");
    }
    return trackResult;
}

Example 22 with MediaFormat

use of android.media.MediaFormat in project Pix-Art-Messenger by kriztan.

the class AudioTrackTranscoder method setup.

@Override
public void setup() {
    mExtractor.selectTrack(mTrackIndex);
    try {
        mEncoder = MediaCodec.createEncoderByType(mOutputFormat.getString(MediaFormat.KEY_MIME));
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
    mEncoder.configure(mOutputFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
    mEncoder.start();
    mEncoderStarted = true;
    mEncoderBuffers = new MediaCodecBufferCompatWrapper(mEncoder);
    final MediaFormat inputFormat = mExtractor.getTrackFormat(mTrackIndex);
    try {
        mDecoder = MediaCodec.createDecoderByType(inputFormat.getString(MediaFormat.KEY_MIME));
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
    mDecoder.configure(inputFormat, null, null, 0);
    mDecoder.start();
    mDecoderStarted = true;
    mDecoderBuffers = new MediaCodecBufferCompatWrapper(mDecoder);
    mAudioChannel = new AudioChannel(mDecoder, mEncoder, mOutputFormat);
}

Example 23 with MediaFormat

use of android.media.MediaFormat in project Pix-Art-Messenger by kriztan.

the class MediaTranscoderEngine method setupTrackTranscoders.

private void setupTrackTranscoders(MediaFormatStrategy formatStrategy) {
    MediaExtractorUtils.TrackResult trackResult = MediaExtractorUtils.getFirstVideoAndAudioTrack(mExtractor);
    MediaFormat videoOutputFormat = formatStrategy.createVideoOutputFormat(trackResult.mVideoTrackFormat);
    MediaFormat audioOutputFormat = formatStrategy.createAudioOutputFormat(trackResult.mAudioTrackFormat);
    if (videoOutputFormat == null && audioOutputFormat == null) {
        throw new InvalidOutputFormatException("MediaFormatStrategy returned pass-through for both video and audio. No transcoding is necessary.");
    }
    QueuedMuxer queuedMuxer = new QueuedMuxer(mMuxer, new QueuedMuxer.Listener() {

        @Override
        public void onDetermineOutputFormat() {
            MediaFormatValidator.validateVideoOutputFormat(mVideoTrackTranscoder.getDeterminedFormat());
            MediaFormatValidator.validateAudioOutputFormat(mAudioTrackTranscoder.getDeterminedFormat());
        }
    });
    if (videoOutputFormat == null) {
        mVideoTrackTranscoder = new PassThroughTrackTranscoder(mExtractor, trackResult.mVideoTrackIndex, queuedMuxer, QueuedMuxer.SampleType.VIDEO);
    } else {
        mVideoTrackTranscoder = new VideoTrackTranscoder(mExtractor, trackResult.mVideoTrackIndex, videoOutputFormat, queuedMuxer);
    }
    mVideoTrackTranscoder.setup();
    if (audioOutputFormat == null) {
        mAudioTrackTranscoder = new PassThroughTrackTranscoder(mExtractor, trackResult.mAudioTrackIndex, queuedMuxer, QueuedMuxer.SampleType.AUDIO);
    } else {
        mAudioTrackTranscoder = new AudioTrackTranscoder(mExtractor, trackResult.mAudioTrackIndex, audioOutputFormat, queuedMuxer);
    }
    mAudioTrackTranscoder.setup();
    mExtractor.selectTrack(trackResult.mVideoTrackIndex);
    mExtractor.selectTrack(trackResult.mAudioTrackIndex);
}

Example 24 with MediaFormat

use of android.media.MediaFormat in project Pix-Art-Messenger by kriztan.

the class Android16By9FormatStrategy method createAudioOutputFormat.

@Override
public MediaFormat createAudioOutputFormat(MediaFormat inputFormat) {
    if (mAudioBitrate == AUDIO_BITRATE_AS_IS || mAudioChannels == AUDIO_CHANNELS_AS_IS)
        return null;
    // Use original sample rate, as resampling is not supported yet.
    final MediaFormat format = MediaFormat.createAudioFormat(MediaFormatExtraConstants.MIMETYPE_AUDIO_AAC, inputFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE), mAudioChannels);
    format.setInteger(MediaFormat.KEY_AAC_PROFILE, MediaCodecInfo.CodecProfileLevel.AACObjectLC);
    format.setInteger(MediaFormat.KEY_BIT_RATE, mAudioBitrate);
    return format;
}

Example 25 with MediaFormat

use of android.media.MediaFormat in project Pix-Art-Messenger by kriztan.

the class Android16By9FormatStrategy method createVideoOutputFormat.

@Override
public MediaFormat createVideoOutputFormat(MediaFormat inputFormat) {
    int width = inputFormat.getInteger(MediaFormat.KEY_WIDTH);
    int height = inputFormat.getInteger(MediaFormat.KEY_HEIGHT);
    int targetLonger = mScale * 16 * 16;
    int targetShorter = mScale * 16 * 9;
    int longer, shorter, outWidth, outHeight;
    if (width >= height) {
        longer = width;
        shorter = height;
        outWidth = targetLonger;
        outHeight = targetShorter;
    } else {
        shorter = width;
        longer = height;
        outWidth = targetShorter;
        outHeight = targetLonger;
    }
    if (longer * 9 != shorter * 16) {
        throw new OutputFormatUnavailableException("This video is not 16:9, and is not able to transcode. (" + width + "x" + height + ")");
    }
    if (shorter <= targetShorter) {
        Log.d(TAG, "This video's height is less or equal to " + targetShorter + ", pass-through. (" + width + "x" + height + ")");
        return null;
    }
    MediaFormat format = MediaFormat.createVideoFormat("video/avc", outWidth, outHeight);
    // From Nexus 4 Camera in 720p
    format.setInteger(MediaFormat.KEY_BIT_RATE, mVideoBitrate);
    format.setInteger(MediaFormat.KEY_FRAME_RATE, 30);
    format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 3);
    format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
    return format;
}