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lavf/qsvvpp: avoid the double-free when working in sys memory mode

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Currently, picref will be freed by calling av_frame_free(&picref) in
submit_frame() in qsvvpp.c when working in system memory mode,and normally it
is freed in filter_frame() in vf_vpp_qsv.c when working in other modes.

Double free happens when working in system memory mode, remove to
fix the memory issue.

Reproduce:
ffmpeg -init_hw_device qsv=foo -filter_hw_device foo -f rawvideo -pix_fmt nv12 -s:v 852x480 \
-i 852x480.nv12 -vf 'vpp_qsv=w=500:h=400' -f rawvideo -pix_fmt nv12 qsv.nv12

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Zhong Li <zhong.li@intel.com>
This commit is contained in:
Linjie Fu 2019-04-15 21:24:06 +08:00 committed by Zhong Li
parent 02333fe394
commit 6895b350c3
1 changed files with 0 additions and 1 deletions
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libavfilter/qsvvpp.c
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@ -316,7 +316,6 @@ static QSVFrame *submit_frame(QSVVPPContext *s, AVFilterLink *inlink, AVFrame *p
}
av_frame_copy_props(qsv_frame->frame, picref);
av_frame_free(&picref);
} else
qsv_frame->frame = av_frame_clone(picref);