On Mon, Oct 09, 2017 at 01:09:11PM -0700, John Stebbins wrote: > When keyframe intervals of dash segments are not perfectly aligned, > fragments in the stream can overlap in time. The previous sorting by > timestamp causes packets to be read out of decode order and results > in decode errors. > > Insert new "trun" index entries into index_entries in the order that > the trun are referenced by the sidx. > --- > libavformat/isom.h | 26 +- > libavformat/mov.c | 678 > ++++++++++++++++++++++++++++++++++++----------------- > 2 files changed, 479 insertions(+), 225 deletions(-)
This seems to have a bug with ./ffprobe -v 99 ~/tickets/2757/MAV_0034.3G2 file should be there: https://trac.ffmpeg.org/attachment/ticket/2757/MAV_0034.3G2 which eventually crashes the first anomaly may be: ==27682== Conditional jump or move depends on uninitialised value(s) ==27682== at 0x6A4819: mov_read_packet (in ffmpeg/ffprobe_g) ==27682== by 0x74C441: ff_read_packet (in ffmpeg/ffprobe_g) ==27682== by 0x74F7B0: read_frame_internal (in ffmpeg/ffprobe_g) ==27682== by 0x753E0B: avformat_find_stream_info (in ffmpeg/ffprobe_g) ==27682== by 0x4ABC07: main (in ffmpeg/ffprobe_g) but the final abort does not occur under valgrind under gdb this hapens: #0 0x00007fffed66ac37 in raise () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007fffed66e028 in abort () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007fffed6a72a4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #3 0x00007fffed6b382e in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #4 0x000000000075351f in ff_rfps_calculate () #5 0x000000000069d509 in mov_read_header () #6 0x00000000007576c6 in avformat_open_input () #7 0x00000000004abb93 in main () this also doesnt occur when built with full debug symbols with line numbers [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB I know you won't believe me, but the highest form of Human Excellence is to question oneself and others. -- Socrates
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