Files
FFmpeg/libavcodec
Linjie Fu 091341f2ab lavc/pthread_frame: Update user context in ff_frame_thread_free
Resolution/format changes lead to re-initialization of hardware
accelerations(vaapi/dxva2/..) with new hwaccel_priv_data in
the worker-thread. But hwaccel_priv_data in user context won't
be updated until the resolution changing frame is output.

A termination with "-vframes" just after the reinit will lead to:
    1. memory leak in worker-thread.
    2. double free in user-thread.

Update user context in ff_frame_thread_free with the last thread
submit_packet() was called on.

To reproduce:
ffmpeg -hwaccel vaapi(dxva2) -v verbose -i
    fate-suite/h264/reinit-large_420_8-to-small_420_8.h264 -pix_fmt nv12
    -f rawvideo -vsync passthrough -vframes 47 -y out.yuv

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2020-03-27 10:57:40 +01:00
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