On Mon, Mar 20, 2017 at 06:43:50AM +0100, wm4 wrote: > On Sun, 19 Mar 2017 02:30:11 +0100 > Michael Niedermayer <[email protected]> wrote: > > > On Sat, Mar 18, 2017 at 09:56:04AM +0100, wm4 wrote: > > > From: Anton Khirnov <[email protected]> > > > > > > Certain hardware decoding APIs are not guaranteed to be thread-safe, so > > > having the user access decoded hardware surfaces while the decoder is > > > running in another thread can cause failures (this is mainly known to > > > happen with DXVA2). > > > > > > For such hwaccels, only allow the decoding thread to run while the user > > > is inside a lavc decode call (avcodec_send_packet/receive_frame). > > > > > > Merges Libav commit d4a91e65. > > > > > > Signed-off-by: wm4 <[email protected]> > > > --- > > > libavcodec/avcodec.h | 5 +++++ > > > libavcodec/hwaccel.h | 24 +++++++++++++++++++++ > > > libavcodec/pthread_frame.c | 52 > > > ++++++++++++++++++++++++++++++++++++++++------ > > > libavcodec/vaapi_h264.c | 2 ++ > > > libavcodec/vaapi_mpeg2.c | 2 ++ > > > libavcodec/vaapi_mpeg4.c | 3 +++ > > > libavcodec/vaapi_vc1.c | 3 +++ > > > libavcodec/vdpau_h264.c | 2 ++ > > > libavcodec/vdpau_hevc.c | 2 ++ > > > libavcodec/vdpau_mpeg12.c | 3 +++ > > > libavcodec/vdpau_mpeg4.c | 2 ++ > > > libavcodec/vdpau_vc1.c | 3 +++ > > > libavcodec/version.h | 2 +- > > > 13 files changed, 98 insertions(+), 7 deletions(-) > > > create mode 100644 libavcodec/hwaccel.h > > > > breaks: > > ./ffmpeg -i tickets//4583/ffvp9_corruption.webm -f null - > > https://trac.ffmpeg.org/raw-attachment/ticket/4583/ffvp9_corruption.webm > > > > ... > > frame= 215 fps=0.0 q=-0.0 Lsize=N/A time=00:00:08.00 bitrate=N/A speed= > > 165x > > video:104kB audio:1500kB subtitle:0kB other streams:0kB global headers:0kB > > muxing overhead: unknown > > pthread_mutex_unlock failed with error: Operation not permitted > > Aborted >
> Fixed with this patch: http://sprunge.us/dNcA patches should be sent to the mailing list Ive just noticed now that this was already pushed before i could even test this. It doesnt work ./ffplay /home/michael/tickets/5275/k10.avi https://trac.ffmpeg.org/attachment/ticket/5275/k10.avi Aborts with: ... best_distance 1 [h264 @ 0x7f3518001fe0] No start code is found. Last message repeated 1 times Input #0, avi, from '/home/michael/tickets/5275/k10.avi':0B f=0/0 Duration: 00:00:02.59, start: 0.000000, bitrate: 791 kb/s Stream #0:0: Video: h264 (Baseline) (DAVC / 0x43564144), yuv420p(progressive), 320x240, 773 kb/s, 23.97 fps, 23.98 tbr, 23.97 tbn, 47.94 tbc [h264 @ 0x7f3518029680] No start code is found. pthread_mutex_unlock failed with error: Operation not permitted Aborted [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you think the mosad wants you dead since a long time then you are either wrong or dead since a long time.
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