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Commit 19261fac authored by Gopalakrishnan Nallasamy's avatar Gopalakrishnan Nallasamy
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MediaMuxer:Include info to specify last sample duration 

Added ability to set duration of last sample by writing an empty buffer
with EOS flag marked along with presentation time stamp at the end.
Have updated the same and the default behavior in JavaDoc of MediaMuxer.

Bug: 141573686
Bug: 121052341

Test: Document is updated with new information properly.
Change-Id: If15d555e877f0d17040688858673946cf4fe86af
parent 5c5e55ea

media/java/android/media/MediaMuxer.java

+7 −0
Original line number Diff line number Diff line
@@ -654,6 +654,13 @@ final public class MediaMuxer { 
     * the right tracks. Also, it needs to make sure the samples for each track

     * are written in chronological order (e.g. in the order they are provided

     * by the encoder.)</p>

     * <p> For MPEG4 media format, the duration of the last sample in a track can be set by passing

     * an additional empty buffer(bufferInfo.size = 0) with MediaCodec.BUFFER_FLAG_END_OF_STREAM

     * flag and a suitable presentation timestamp set in bufferInfo parameter as the last sample of

     * that track.  This last sample's presentation timestamp shall be a sum of the presentation

     * timestamp and the duration preferred for the original last sample.  If no explicit

     * END_OF_STREAM sample was passed, then the duration of the last sample would be the same as

     * that of the sample before that.</p>

     * @param byteBuf The encoded sample.

     * @param trackIndex The track index for this sample.

     * @param bufferInfo The buffer information related to this sample.