On Thu, Oct 22, 2015 at 04:50:00AM -0500, Rodger Combs wrote: > This allows the use of muxers like matroska, which attempt to seek even > when an AVIOContext doesn't set `seekable`, without concern for a rouge > seek leading the muxer to overwrite the wrong data in a later segment. > --- > doc/muxers.texi | 17 ++++ > libavformat/segment.c | 262 > ++++++++++++++++++++++++++++++++++++++------------ > 2 files changed, 215 insertions(+), 64 deletions(-)
ffmpeg -i matrixbench_mpeg2.mpg -vcodec mpeg2video -f segment /tmp/out-%4d.mpg results in (at the end) *** glibc detected *** ffmpeg/ffmpeg: corrupted double-linked list: 0x0000000003b10ab0 *** ==29669== Invalid free() / delete / delete[] / realloc()rate=N/A ==29669== at 0x4C2B5D9: free (vg_replace_malloc.c:446) ==29669== by 0x691D68: seg_write_trailer (in ffmpeg/ffmpeg_g) ==29669== by 0x63E0A9: av_write_trailer (in ffmpeg/ffmpeg_g) ==29669== by 0x4B64CC: transcode (in ffmpeg/ffmpeg_g) ==29669== by 0x498A05: main (in ffmpeg/ffmpeg_g) ==29669== Address 0x19b24280 is 0 bytes inside a block of size 13 free'd ==29669== at 0x4C2B5D9: free (vg_replace_malloc.c:446) ==29669== by 0x691D37: seg_write_trailer (in ffmpeg/ffmpeg_g) ==29669== by 0x63E0A9: av_write_trailer (in ffmpeg/ffmpeg_g) ==29669== by 0x4B64CC: transcode (in ffmpeg/ffmpeg_g) ==29669== by 0x498A05: main (in ffmpeg/ffmpeg_g) [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The greatest way to live with honor in this world is to be what we pretend to be. -- Socrates
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