Hi,
if I invoke ffmpeg on an M2V MPEG-2 elementary stream, I get "N/A" for the
duration. I guess this is because this file doesn't contain a header that
contains the duration. Is it possible to force ffmpeg to parse the entire
file to obtain the duration?
Full command line and output:
ffmpeg -i
/Users/krueger/lesspain/samples/software/compressor/compressor_dvd_mpeg2_480_24p.m2v
ffmpeg version N-109938-g67fd1b79e7 Copyright (c) 2000-2023 the FFmpeg
developers
built with Apple clang version 11.0.0 (clang-1100.0.33.17)
configuration:
libavutil 58. 3.100 / 58. 3.100
libavcodec 60. 5.100 / 60. 5.100
libavformat 60. 4.100 / 60. 4.100
libavdevice 60. 2.100 / 60. 2.100
libavfilter 9. 4.100 / 9. 4.100
libswscale 7. 2.100 / 7. 2.100
libswresample 4. 11.100 / 4. 11.100
Input #0, mpegvideo, from
'/Users/krueger/lesspain/samples/software/compressor/compressor_dvd_mpeg2_480_24p.m2v':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: mpeg2video (Main), yuv420p(tv, smpte170m,
progressive), 720x480 [SAR 32:27 DAR 16:9], 30 fps, 59.94 tbr, 1200k tbn
Side data:
cpb: bitrate max/min/avg: 7700000/0/0 buffer size: 1835008 vbv_delay:
N/A
At least one output file must be specified
Thanks,
Robert
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