On Fri, Feb 10, 2017 at 03:15:29PM +0100, Michael Niedermayer wrote: > On Fri, Feb 10, 2017 at 01:35:32PM +0100, wm4 wrote: > > These patches merge the previously skipped Libav commits, which made > > avconv lazily initialize libavfilter graphs. This means the filters > > are initialized with the actual output format, instead of whatever > > libavformat reports. > > > > It's a prerequisite to making hardware decoding support saner, as > > hardware decoders will output a different pixfmt than the software > > format reported by libavformat. This can be seen on ffmpeg_qsv.c, > > which doesn't lose any functionality, even though half of the code > > is removed. > > > > There are some differences in how ffmpeg.c and avconv.c filter-flow > > works. Also, avconv.c doesn't have sub2video. Relatively intrusive > > changes were required. > > > > The status of cuvid is unknown, but work in progress. > > > > Anton Khirnov (4): > > ffmpeg: do packet ts rescaling in write_packet() > > ffmpeg: init filtergraphs only after we have a frame on each input > > ffmpeg: move flushing the queued frames to configure_filtergraph() > > ffmpeg: restructure sending EOF to filters > > > > Timo Rothenpieler (3): > > ffmpeg_cuvid: adapt for recent filter graph initialization changes > > avcodec/cuvid: add format mismatch debug logs > > avcodec/cuvid: update hw_frames_ctx reference after get_format call > > > > wm4 (2): > > ffmpeg: make sure packets put into the muxing FIFO are refcounted > > ffmpeg: fix printing of filter input/output names > > This patchset breaks > ./ffmpeg -i Voting_Machine.wmv test.avi > > http://data.onas.ru/fun-clips/Voting_Machine.wmv > > didnt bisect which patch causes it
heres another example: ./ffmpeg -i ~/tickets/4329/bogus_video.mp4 -vframes 5 -vf crop=720:404 out.mov ./ffplay out.mov before this patchset out.mov had an audio stream [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If a bugfix only changes things apparently unrelated to the bug with no further explanation, that is a good sign that the bugfix is wrong.
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