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videodecoder: Create a complete subbuffer before pushing

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Otherwise we can't be sure that we are allowed to change the
buffer fields later for clipping.
This commit is contained in:
Sebastian Dröge 2012-07-05 13:37:37 +02:00
parent 74c7524b49
commit 8e15a2c28d
1 changed files with 16 additions and 16 deletions
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32
gst-libs/gst/video/gstvideodecoder.c
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@ -2189,27 +2189,27 @@ gst_video_decoder_finish_frame (GstVideoDecoder * decoder,
goto done;
}
GST_BUFFER_FLAG_UNSET (frame->output_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
/* set PTS and DTS to both the PTS for decoded frames */
GST_BUFFER_PTS (frame->output_buffer) = frame->pts;
GST_BUFFER_DTS (frame->output_buffer) = frame->pts;
GST_BUFFER_DURATION (frame->output_buffer) = frame->duration;
GST_BUFFER_OFFSET (frame->output_buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (frame->output_buffer) = GST_BUFFER_OFFSET_NONE;
if (priv->discont) {
GST_BUFFER_FLAG_SET (frame->output_buffer, GST_BUFFER_FLAG_DISCONT);
priv->discont = FALSE;
}
/* A reference always needs to be owned by the frame on the buffer.
* For that reason, we use a complete sub-buffer (zero-cost) to push
* downstream.
* The original buffer will be free-ed only when downstream AND the
* current implementation are done with the frame. */
output_buffer = gst_buffer_ref (frame->output_buffer);
GST_BUFFER_FLAG_UNSET (output_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
/* set PTS and DTS to both the PTS for decoded frames */
GST_BUFFER_PTS (output_buffer) = frame->pts;
GST_BUFFER_DTS (output_buffer) = frame->pts;
GST_BUFFER_DURATION (output_buffer) = frame->duration;
GST_BUFFER_OFFSET (output_buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (output_buffer) = GST_BUFFER_OFFSET_NONE;
if (priv->discont) {
GST_BUFFER_FLAG_SET (output_buffer, GST_BUFFER_FLAG_DISCONT);
priv->discont = FALSE;
}
output_buffer = gst_buffer_copy (frame->output_buffer);
if (decoder->output_segment.rate < 0.0) {
GST_LOG_OBJECT (decoder, "queued frame");