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Merge commit 'aa9d15d89bb4ee8a31607d3db1b8c5334eb88d2d'

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* commit 'aa9d15d89bb4ee8a31607d3db1b8c5334eb88d2d':
  qsvdec: avoid an infinite loop with no consumed data and no output

Conflicts:
	libavcodec/qsvdec.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2015-07-25 23:10:14 +02:00
parent c105e0f077 aa9d15d89b
commit ef2a85ac53
1 changed files with 7 additions and 0 deletions
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7
libavcodec/qsvdec.c
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@@ -339,6 +339,13 @@ int ff_qsv_decode(AVCodecContext *avctx, QSVContext *q,
break; break;
} }
/* make sure we do not enter an infinite loop if the SDK
* did not consume any data and did not return anything */
if (!sync && !bs.DataOffset) {
av_log(avctx, AV_LOG_WARNING, "A decode call did not consume any data\n");
bs.DataOffset = avpkt->size;
}
if (buffered) { if (buffered) {
qsv_fifo_relocate(q->input_fifo, bs.DataOffset); qsv_fifo_relocate(q->input_fifo, bs.DataOffset);
} else if (bs.DataOffset!=avpkt->size) { } else if (bs.DataOffset!=avpkt->size) {