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madbiker
Guru
Joined: 12 Oct 2003
Posts: 439
Location: Victoria, BC, Canada
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 Posted: Fri May 14, 2004 8:12 am Post subject: Splitting an mpeg file and burning the parts problem... |
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I've got an 812MB video that I'd like on two VCDs. I split it using
| Code: | | mpgtx -s videoname {timetosplit} |
and got this output:
| Code: |
mpgtx -s videoname.mpg {24:30}
Now processing videoname.mpg [1/2] ... 100.00%
Now processing Props - videoname.mpg [2/2] ... 17.77% PES03: TS <0, corrected to 0, movie will have problems playing!
100.00%
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Then I burnt the first part using k3b's video cd project bit, and it worked fine. But when I tried to burn the second part, it tells me that vcdxbuild returned an unknown error. When I look at the Debugging Output, I found this:
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<log level="warning">mpeg stream will be padded on the fly -- hope that's ok for you!</log>
<log level="warning">mpeg scan: pack header code (0x000001ba) expected, but 0x97605014 found (buflen = 2324)</log>
<log level="warning">bad packet at packet #2 (stream byte offset 2356) -- remaining 446555852 bytes of stream will be ignored</log>
<progress operation="scan" id="sequence-000" position="446558208" size="446558208" />
<log level="warning">autopadding requires to insert additional 2292 zero bytes into MPEG stream (due to 1 unaligned packets of 2 total)</log>
<log level="information">scanning mpeg sequence item #0 for scanpoints...</log>
<log level="warning">mpeg stream shorter than 75 sectors</log>
<progress operation="write" position="0" size="452" />
<log level="assertion">file files.c: line 741 (set_search_dat): assertion failed: (n = _get_scanpoint_count (obj))</log>
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I initially thought the problem was that 17% it was showing at the mpgtx, but that sometimes shows, and sometimes doesn't (I've done this nearly a dozen times now). It's that bit after it that has be confused.
Are there any other linux progs to split up mpegs? |
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Wyckliff
n00b
Joined: 14 May 2004
Posts: 7
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| Posted: Mon May 31, 2004 4:39 pm Post subject: splitting mpegs |
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transcode can split mpegs if you use the -c option or the cut filter option.
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transcode -i source.mpg -V -y mpeg -F d -f 29.97,4 --export_fps 29.97,4 --export_asr 2 -E 48000 -b 224 -o friends-intro -J cut="2316-3656"
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A word of warning though... I don't know if it's the options I pick or what, but I have been having problems with the video and audio components that get produced by transcode. When I join them with mplex, I get the following warnings:
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INFO: [mplex] rough-guess multiplexed stream data rate : 10236600
INFO: [mplex] target data-rate specified : 10080000
++ WARN: [mplex] Target data rate lower than computed requirement!
++ WARN: [mplex] N.b. a 20% or so discrepancy in variable bit-rate
++ WARN: [mplex] streams is common and harmless provided no time-outs will occur
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