On Sat, Oct 11, 2014 at 07:25:52AM +0300, Mika Raento wrote: > If present, an MFRA box and its TFRAs are read for fragment start times. > > Without this change, timestamps for discontinuous fragmented mp4 are > wrong, and cause audio/video desync and are not usable for generating > HLS. > --- > libavformat/isom.h | 15 ++++++ > libavformat/mov.c | 146 > +++++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 161 insertions(+)
this appears to breaks timestamps for some files, i didnt investigate why ./ffmpeg -i matrixbench_mpeg2.mpg -t 1 -frag_duration 200k input.mov ./ffprobe input.mov -show_packets -print_format compact | grep audio packet|codec_type=audio|stream_index=1|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=N/A|duration_time=N/A|convergence_duration=N/A|convergence_duration_time=N/A|size=172|pos=17590|flags=K packet|codec_type=audio|stream_index=1|pts=3840|pts_time=0.080000|dts=3840|dts_time=0.080000|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=315|pos=19048|flags=K packet|codec_type=audio|stream_index=1|pts=4864|pts_time=0.101333|dts=4864|dts_time=0.101333|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=297|pos=19363|flags=K packet|codec_type=audio|stream_index=1|pts=5888|pts_time=0.122667|dts=5888|dts_time=0.122667|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=9|pos=22964|flags=K packet|codec_type=audio|stream_index=1|pts=6912|pts_time=0.144000|dts=6912|dts_time=0.144000|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=216|pos=22973|flags=K packet|codec_type=audio|stream_index=1|pts=7936|pts_time=0.165333|dts=7936|dts_time=0.165333|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=327|pos=23521|flags=K packet|codec_type=audio|stream_index=1|pts=8960|pts_time=0.186667|dts=8960|dts_time=0.186667|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=327|pos=23848|flags=K -packet|codec_type=audio|stream_index=1|pts=9984|pts_time=0.208000|dts=9984|dts_time=0.208000|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=330|pos=35835|flags=K -packet|codec_type=audio|stream_index=1|pts=11008|pts_time=0.229333|dts=11008|dts_time=0.229333|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=317|pos=36165|flags=K -packet|codec_type=audio|stream_index=1|pts=12032|pts_time=0.250667|dts=12032|dts_time=0.250667|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=326|pos=36482|flags=K +packet|codec_type=audio|stream_index=1|pts=48896|pts_time=1.018667|dts=48896|dts_time=1.018667|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=330|pos=35835|flags=K +packet|codec_type=audio|stream_index=1|pts=49920|pts_time=1.040000|dts=49920|dts_time=1.040000|duration=1024|duration_time=0.021333|convergence_duration=N/A|convergence_duration_time=N/A|size=317|pos=36165|flags=K ... [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB During times of universal deceit, telling the truth becomes a revolutionary act. -- George Orwell
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