[Ffmpeg-devel] Bug in multithreaded h/x264 encoding

Loren Merritt lorenm
Mon Jun 20 01:27:07 CEST 2005


On Sun, 19 Jun 2005, Erik Slagter wrote:
> Thx, that worked. Well... it shows a picture with the same errors as
> mplayer on the mp4 stream. Output:
>
> [h264 @ 0x4d4fd0b0]concealing 792 DC, 792 AC, 792 MV errors
> [h264 @ 0x4d4fd0b0]error while decoding MB 2 18
> [h264 @ 0x4d4fd0b0]concealing 792 DC, 792 AC, 792 MV errors
> [h264 @ 0x4d4fd0b0]concealing 792 DC, 792 AC, 792 MV errors
> [h264 @ 0x4d4fd0b0]error while decoding MB 2 18
> [h264 @ 0x4d4fd0b0]concealing 792 DC, 792 AC, 792 MV errors
>
> If you want to see for yourself:
>
> http://erik.slagter.name/pub test.vob (33M) test.h264 (19M)

test.h264 works perfectly in ffplay-cvs. mplayer can play it correctly 
with -demuxer 35 (not 30; the builtin raw h264 demuxer can't handle 
multiple slices per frame).

--Loren Merritt





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