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

Example 41 with MediaFormat

use of android.media.MediaFormat in project libstreaming by fyhertz.

the class EncoderDebugger method configureEncoder.

/**
 * Instantiates and starts the encoder.
 * @throws IOException The encoder cannot be configured
 */
private void configureEncoder() throws IOException {
    mEncoder = MediaCodec.createByCodecName(mEncoderName);
    MediaFormat mediaFormat = MediaFormat.createVideoFormat(MIME_TYPE, mWidth, mHeight);
    mediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, BITRATE);
    mediaFormat.setInteger(MediaFormat.KEY_FRAME_RATE, FRAMERATE);
    mediaFormat.setInteger(MediaFormat.KEY_COLOR_FORMAT, mEncoderColorFormat);
    mediaFormat.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 1);
    mEncoder.configure(mediaFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);
    mEncoder.start();
}

Example 42 with MediaFormat

use of android.media.MediaFormat in project speechutils by Kaljurand.

the class MediaFormatFactory method createMediaFormat.

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static MediaFormat createMediaFormat(String mime, int sampleRate) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        MediaFormat format = new MediaFormat();
        // TODO: this causes a crash in MediaCodec.configure
        // format.setString(MediaFormat.KEY_FRAME_RATE, null);
        format.setInteger(MediaFormat.KEY_SAMPLE_RATE, sampleRate);
        format.setInteger(MediaFormat.KEY_CHANNEL_COUNT, 1);
        format.setString(MediaFormat.KEY_MIME, mime);
        if ("audio/mp4a-latm".equals(mime)) {
            // TODO: or 39?
            format.setInteger(MediaFormat.KEY_AAC_PROFILE, 2);
            format.setInteger(MediaFormat.KEY_BIT_RATE, 64000);
        } else if ("audio/flac".equals(mime)) {
            // format.setString(MediaFormat.KEY_MIME, MediaFormat.MIMETYPE_AUDIO_FLAC); // API=21
            format.setInteger(MediaFormat.KEY_BIT_RATE, 64000);
        // TODO: use another bit rate, does not seem to have effect always
        // format.setInteger(MediaFormat.KEY_BIT_RATE, 128000);
        // TODO: experiment with 0 (fastest/least) to 8 (slowest/most)
        // format.setInteger(MediaFormat.KEY_FLAC_COMPRESSION_LEVEL, 0);
        } else if ("audio/opus".equals(mime)) {
            // format.setString(MediaFormat.KEY_MIME, MediaFormat.MIMETYPE_AUDIO_OPUS); // API=21
            format.setInteger(MediaFormat.KEY_BIT_RATE, 64000);
        } else {
            // TODO: assuming: "audio/amr-wb"
            format.setInteger(MediaFormat.KEY_BIT_RATE, 23050);
        }
        return format;
    }
    return null;
}

Example 43 with MediaFormat

use of android.media.MediaFormat in project speechutils by Kaljurand.

the class EncodedAudioRecorder method recorderLoop.

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@RequiresPermission(RECORD_AUDIO)
@Override
protected void recorderLoop(AudioRecord speechRecord) {
    mNumBytesSubmitted = 0;
    mNumBytesDequeued = 0;
    MediaFormat format = MediaFormatFactory.createMediaFormat(MIME, getSampleRate());
    MediaCodec codec = getCodec(format);
    if (codec == null) {
        handleError("no codec found");
    } else {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
            Log.i("Using codec: " + codec.getCanonicalName());
        }
        int status = recorderEncoderLoop(codec, speechRecord);
        if (Log.DEBUG) {
            AudioUtils.showMetrics(format, mNumBytesSubmitted, mNumBytesDequeued);
        }
        if (status < 0) {
            handleError("encoder error");
        }
    }
}

Example 44 with MediaFormat

use of android.media.MediaFormat in project robolectric by robolectric.

the class MediaCodecInfoBuilderTest method createMediaFormat.

/**
 * Create a sample {@link MediaFormat}.
 *
 * @param mime one of MIMETYPE_* from {@link MediaFormat}.
 * @param features an array of CodecCapabilities.FEATURE_ features to be enabled.
 */
private static MediaFormat createMediaFormat(String mime, String[] features) {
    MediaFormat mediaFormat = new MediaFormat();
    mediaFormat.setString(MediaFormat.KEY_MIME, mime);
    for (String feature : features) {
        mediaFormat.setFeatureEnabled(feature, true);
    }
    return mediaFormat;
}

Example 45 with MediaFormat

use of android.media.MediaFormat in project robolectric by robolectric.

the class ShadowMediaCodecTest method getBasicAacFormat.

private static MediaFormat getBasicAacFormat() {
    MediaFormat format = new MediaFormat();
    format.setString(MediaFormat.KEY_MIME, MediaFormat.MIMETYPE_AUDIO_AAC);
    format.setInteger(MediaFormat.KEY_BIT_RATE, 96000);
    format.setInteger(MediaFormat.KEY_CHANNEL_COUNT, 1);
    format.setInteger(MediaFormat.KEY_SAMPLE_RATE, 16000);
    format.setInteger(MediaFormat.KEY_AAC_PROFILE, CodecProfileLevel.AACObjectLC);
    return format;
}