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qsvenc: split encoding frames and reading from the async FIFO 

This makes sure all the frames are returned at the end.

Found-By: Maxym Dmytrychenko <maxym.dmytrychenko@intel.com>
This commit is contained in:
Anton Khirnov 2016-01-06 08:39:27 +01:00
parent a6259a6ecb
commit d1cd20e4e3
1 changed files with 18 additions and 2 deletions
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20
libavcodec/qsvenc.c
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@ -857,8 +857,8 @@ static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q)
}
}
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
AVPacket *pkt, const AVFrame *frame, int *got_packet)
static int encode_frame(AVCodecContext *avctx, QSVEncContext *q,
const AVFrame *frame)
{
AVPacket new_pkt = { 0 };
mfxBitstream *bs;
@ -913,8 +913,24 @@ int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
av_freep(&bs);
}
return 0;
}
int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
AVPacket *pkt, const AVFrame *frame, int *got_packet)
{
int ret;
ret = encode_frame(avctx, q, frame);
if (ret < 0)
return ret;
if (!av_fifo_space(q->async_fifo) ||
(!frame && av_fifo_size(q->async_fifo))) {
AVPacket new_pkt;
mfxBitstream *bs;
mfxSyncPoint sync;
av_fifo_generic_read(q->async_fifo, &new_pkt, sizeof(new_pkt), NULL);
av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
av_fifo_generic_read(q->async_fifo, &bs, sizeof(bs), NULL);