This patch fixes the h264_qsv decoder issues mentioned
in https://ffmpeg.zeranoe.com/forum/viewtopic.php?t=2962.
The patch may be tested by specifying h264_qsv as the decoder to ffplay
for an h264 encoded file.
ffplay -vcodec h264_qsv foo.mts
Signed-off-by: Yuli Khodorkovskiy <[email protected]>
---
libavcodec/qsvdec.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
index 9125700..98585e3 100644
--- a/libavcodec/qsvdec.c
+++ b/libavcodec/qsvdec.c
@@ -555,16 +555,18 @@ void ff_qsv_decode_reset(AVCodecContext *avctx,
QSVContext *q)
}
/* Reset output surfaces */
- av_fifo_reset(q->async_fifo);
+ if (q->async_fifo)
+ av_fifo_reset(q->async_fifo);
/* Reset input packets fifo */
- while (av_fifo_size(q->pkt_fifo)) {
+ while (q->pkt_fifo && av_fifo_size(q->pkt_fifo)) {
av_fifo_generic_read(q->pkt_fifo, &pkt, sizeof(pkt), NULL);
av_packet_unref(&pkt);
}
/* Reset input bitstream fifo */
- av_fifo_reset(q->input_fifo);
+ if (q->input_fifo)
+ av_fifo_reset(q->input_fifo);
}
int ff_qsv_decode_close(QSVContext *q)
--
1.8.3.1
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