com.otaliastudios.transcoder.transcode

Class VideoTrackTranscoder

java.lang.Object

com.otaliastudios.transcoder.transcode.BaseTrackTranscoder

com.otaliastudios.transcoder.transcode.VideoTrackTranscoder

All Implemented Interfaces:

TrackTranscoder

public class VideoTrackTranscoder
extends BaseTrackTranscoder

Constructor Summary

Constructors

Constructor and Description
VideoTrackTranscoder(DataSource dataSource, DataSink dataSink, TimeInterpolator timeInterpolator, int rotation)

Method Summary

Modifier and Type	Method and Description
protected void	onCodecsStarted(android.media.MediaFormat inputFormat, android.media.MediaFormat outputFormat, android.media.MediaCodec decoder, android.media.MediaCodec encoder) Called when both codecs have been started with the given formats.
protected void	onConfigureDecoder(android.media.MediaFormat format, android.media.MediaCodec decoder) Wraps the configure operation on the decoder.
protected void	onConfigureEncoder(android.media.MediaFormat format, android.media.MediaCodec encoder) Wraps the configure operation on the encoder.
protected void	onDrainDecoder(android.media.MediaCodec decoder, int bufferIndex, java.nio.ByteBuffer bufferData, long presentationTimeUs, boolean endOfStream) Called to drain the decoder.
protected boolean	onFeedEncoder(android.media.MediaCodec encoder, MediaCodecBuffers encoderBuffers, long timeoutUs) Called to feed the encoder with processed data.
protected void	onStartEncoder(android.media.MediaFormat format, android.media.MediaCodec encoder) Wraps the start operation on the encoder.
void	release()

Methods inherited from class com.otaliastudios.transcoder.transcode.BaseTrackTranscoder

isFinished, onDecoderOutputFormatChanged, onEncoderOutputFormatChanged, onStartDecoder, setUp, transcode

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VideoTrackTranscoder

public VideoTrackTranscoder(@NonNull
                            DataSource dataSource,
                            @NonNull
                            DataSink dataSink,
                            @NonNull
                            TimeInterpolator timeInterpolator,
                            int rotation)

Method Detail

onConfigureEncoder

protected void onConfigureEncoder(@NonNull
                                  android.media.MediaFormat format,
                                  @NonNull
                                  android.media.MediaCodec encoder)

Description copied from class: BaseTrackTranscoder

Wraps the configure operation on the encoder.

Overrides:

onConfigureEncoder in class BaseTrackTranscoder

Parameters:

format - output format

encoder - encoder

onStartEncoder

protected void onStartEncoder(@NonNull
                              android.media.MediaFormat format,
                              @NonNull
                              android.media.MediaCodec encoder)

Description copied from class: BaseTrackTranscoder

Wraps the start operation on the encoder.

Overrides:

onStartEncoder in class BaseTrackTranscoder

Parameters:

format - output format

encoder - encoder

onConfigureDecoder

protected void onConfigureDecoder(@NonNull
                                  android.media.MediaFormat format,
                                  @NonNull
                                  android.media.MediaCodec decoder)

Description copied from class: BaseTrackTranscoder

Wraps the configure operation on the decoder.

Overrides:

onConfigureDecoder in class BaseTrackTranscoder

Parameters:

format - input format

decoder - decoder

onCodecsStarted

protected void onCodecsStarted(@NonNull
                               android.media.MediaFormat inputFormat,
                               @NonNull
                               android.media.MediaFormat outputFormat,
                               @NonNull
                               android.media.MediaCodec decoder,
                               @NonNull
                               android.media.MediaCodec encoder)

Description copied from class: BaseTrackTranscoder

Called when both codecs have been started with the given formats.

Overrides:

onCodecsStarted in class BaseTrackTranscoder

Parameters:

inputFormat - input format

outputFormat - output format

decoder - decoder

encoder - encoder

release

public void release()

Specified by:

release in interface TrackTranscoder

Overrides:

release in class BaseTrackTranscoder

onFeedEncoder

protected boolean onFeedEncoder(@NonNull
                                android.media.MediaCodec encoder,
                                @NonNull
                                MediaCodecBuffers encoderBuffers,
                                long timeoutUs)

Description copied from class: BaseTrackTranscoder

Called to feed the encoder with processed data.

Specified by:

onFeedEncoder in class BaseTrackTranscoder

Parameters:

encoder - the encoder

timeoutUs - a timeout for this op

Returns:

true if we want to keep working

onDrainDecoder

protected void onDrainDecoder(@NonNull
                              android.media.MediaCodec decoder,
                              int bufferIndex,
                              @NonNull
                              java.nio.ByteBuffer bufferData,
                              long presentationTimeUs,
                              boolean endOfStream)

Description copied from class: BaseTrackTranscoder

Called to drain the decoder. Implementors are required to call MediaCodec.releaseOutputBuffer(int, boolean) with the given bufferIndex at some point.

Specified by:

onDrainDecoder in class BaseTrackTranscoder

Parameters:

decoder - the decoder

bufferIndex - the buffer index to be released

bufferData - the buffer data

presentationTimeUs - frame timestamp

endOfStream - whether we are in end of stream