On 05/23/2016 11:29 AM, Nicolas George wrote:
On Mon, May 23, 2016 at 09:31:25 -0400, sean darcy wrote:
I've got a bunch of VOB's I want to concatenate. For most of the VOB's
stream 0:0 is video and 0:1 audio, but for one VOB te streams are
switched, so concat doesn't work.
You need to use the stream id, see the documentation on stream specifiers.
Le quintidi 5 prairial, an CCXXIV, Moritz Barsnick a écrit :
MPEG program streams, such as VOBs, don't know the concept of "order".
It didn't become quite clear on what grounds ffmpeg chooses the order -
possibly depending on which packet comes first.
Exactly.
Regards,
Tried using stream id's :
ffmpeg -i out5A.VOB -map i:0x1e0 -map i:0x80 -c copy out5A-x.VOB
...................
[mpeg @ 0x23ec120] DTS discontinuity in stream 0: packet 3 with DTS
50761, packet 4 with DTS 53641
Input #0, mpeg, from 'out5A.VOB':
Duration: 00:25:50.02, start: 0.500000, bitrate: 5516 kb/s
Stream #0:0[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 224 kb/s
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
smpte170m), 720x480 [SAR 8:9 DAR 4:3], max. 8500 kb/s, 29.97 fps, 29.97
tbr, 90k tbn, 59.94 tbc
[svcd @ 0x23f0a80] VBV buffer size not set, using default size of 130KB
If you want the mpeg file to be compliant to some specification
Like DVD, VCD or others, make sure you set the correct buffer size
Output #0, svcd, to 'out5A-x.VOB':
Metadata:
encoder : Lavf57.29.101
Stream #0:0: Video: mpeg2video, yuv420p, 720x480 [SAR 8:9 DAR 4:3],
q=2-31, max. 8500 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 29.97 tbc
Stream #0:1: Audio: ac3, 48000 Hz, stereo, 224 kb/s
Stream mapping:
Stream #0:1 -> #0:0 (copy)
Stream #0:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
[svcd @ 0x23f0a80] Timestamps are unset in a packet for stream 0. This
is deprecated and will stop working in the future. Fix your code to set
the timestamps properly
frame=46435 fps=1900 q=-1.0 Lsize= 1043844kB time=00:25:50.02
bitrate=5516.8kbits/s speed=63.4x
...........
But no joy:
ffprobe -i out5A-x.VOB
..............
Input #0, mpeg, from 'out5A-x.VOB':
Duration: 00:25:50.02, start: 0.500000, bitrate: 5516 kb/s
Stream #0:0[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 224 kb/s
Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
smpte170m), 720x480 [SAR 8:9 DAR 4:3], max. 8500 kb/s, 29.97 fps, 29.97
tbr, 90k tbn, 59.94 tbc
Thanks for any help.
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