Hello! I am trying to develop procedure for making DVDs with LPCM audio using Linux NLE Cinelerra-gg [1]
It works, but for some reason our lpcm file received as TOO LOUD by default, so I must quieten down whole sound track by 40 db. short (less than 3 min) video https://youtu.be/-NE2LZsVUjo Is there some switch to mplex I missed? mplex log: ==== /dev/shm//dvd_20240120-153459/dvd.sh running /dev/shm//dvd_20240120-153459/dvd.sh INFO: [mplex] mplex version 2.2.1 (2.2.7 $Date: 2012-11-17 01:55:16 $) INFO: [mplex] File /dev/shm/dvd_20240120-153459/dvd.m2v looks like an MPEG Video stream. INFO: [mplex] File /dev/shm/dvd_20240120-153459/dvd.lpcm looks like an LPCM Audio stream. INFO: [mplex] Video stream 0: profile 8 selected - ignoring non-standard options! INFO: [mplex] Found 1 audio streams, 1 video streams and 0 subtitle streams INFO: [mplex] Selecting dvdauthor DVD output profile INFO: [mplex] Multiplexing video program stream! INFO: [mplex] Scanning for header info: Video stream e0 (/dev/shm/dvd_20240120-153459/dvd.m2v) INFO: [mplex] VIDEO STREAM: e0 INFO: [mplex] Frame width : 720 INFO: [mplex] Frame height : 576 INFO: [mplex] Aspect ratio : 4:3 display INFO: [mplex] Picture rate : 25.000 frames/sec INFO: [mplex] Bit rate : 9000000 bits/sec INFO: [mplex] Vbv buffer size : 229376 bytes INFO: [mplex] CSPF : 0 INFO: [mplex] Scanning for header info: LPCM Audio stream 00 (/dev/shm/dvd_20240120-153459/dvd.lpcm) INFO: [mplex] LPCM AUDIO STREAM: INFO: [mplex] Bit rate : 192000 bytes/sec (1536000) bit/sec) INFO: [mplex] Channels : 2 INFO: [mplex] Bits per sample: 16 INFO: [mplex] Frequency : 48000 Hz INFO: [mplex] SYSTEMS/PROGRAM stream: INFO: [mplex] rough-guess multiplexed stream data rate : 10753200 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 INFO: [mplex] Run-in delay = 10800 Video delay = 10800 Audio delay = 14400 INFO: [mplex] New sequence commences... INFO: [mplex] Video e0: buf= 0 frame=000000 sector=00000000 INFO: [mplex] Audio bd: buf= 0 frame=000000 sector=00000000 ++ WARN: [mplex] Stream e0: data will arrive too late sent(SCR)=18139 required(DTS)=18000 ++ WARN: [mplex] Video e0: buf= 61773 frame=000002 sector=00000119 ++ WARN: [mplex] Audio bd: buf= 352 frame=000025 sector=00000004 INFO: [mplex] STREAM e0 completed INFO: [mplex] STREAM bd completed INFO: [mplex] Multiplex completion at SCR=5399259. INFO: [mplex] Video e0: completed INFO: [mplex] Audio bd: completed INFO: [mplex] VIDEO_STATISTICS: e0 INFO: [mplex] Video Stream length: 60133444 bytes INFO: [mplex] Sequence headers: 85 INFO: [mplex] Sequence ends : 0 INFO: [mplex] No. Pictures : 1500 INFO: [mplex] No. Groups : 85 INFO: [mplex] No. I Frames : 85 avg. size 59075 bytes INFO: [mplex] No. P Frames : 1415 avg. size 38948 bytes INFO: [mplex] No. B Frames : 0 avg. size 0 bytes INFO: [mplex] Average bit-rate : 8017600 bits/sec INFO: [mplex] Peak bit-rate : 9707600 bits/sec INFO: [mplex] BUFFERING min 16 Buf max 235543 INFO: [mplex] AUDIO_STATISTICS: bd INFO: [mplex] Audio stream length 11520000 bytes. INFO: [mplex] Frames : 35999 INFO: [mplex] BUFFERING min 32 Buf max 54832 **ERROR: [mplex] MUX STATUS: Frame data under-runs detected! DVDAuthor::dvdauthor, version 0.7.2. Build options: gnugetopt imagemagick iconv freetype fribidi fontconfig Send bug reports to <dvdauthor-us...@lists.sourceforge.net> INFO: default video format is PAL INFO: dvdauthor creating VTS STAT: Picking VTS 01 STAT: Processing /dev/shm/dvd_20240120-153459/dvd.mpg... STAT: VOBU 80 at 65MB, 1 PGCs INFO: Video pts = 0.160 .. 60.160 INFO: Audio[16] pts = 0.160 .. 60.160 STAT: VOBU 85 at 69MB, 1 PGCs CHAPTERS: VTS[1/1] 0.000 INFO: Generating VTS with the following video attributes: INFO: MPEG version: mpeg2 INFO: TV standard: pal INFO: Aspect ratio: 4:3 INFO: Resolution: 720x576 INFO: Audio ch 0 format: pcm/2ch, 48khz 16bps, 'en' STAT: fixed 85 VOBUs INFO: dvdauthor creating table of contents INFO: Scanning /dev/shm/dvd_20240120-153459/iso/VIDEO_TS/VTS_01_0.IFO To burn dvd, load blank media and run: growisofs -dvd-compat -Z /dev/dvd -dvd-video /dev/shm/dvd_20240120-153459/iso Завершено ======= mplex command line (part of the script) mplex -f 8 -L 48000:2:16 -o $dir/dvd.mpg $dir/dvd.m2v $dir/dvd.lpcm [1] https://cinelerra-gg.org/download/testing/ - there are two appimages (one for newish distros and second for something like Ubuntu 16/x86-64) _______________________________________________ Mjpeg-users mailing list Mjpeg-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mjpeg-users
