[FFmpeg-trac] #1438(undetermined:new): problems with using -ss option when transcoding from *.vob to *.avi
FFmpeg
trac at avcodec.org
Tue Jun 12 00:18:12 CEST 2012
#1438: problems with using -ss option when transcoding from *.vob to *.avi
-------------------------------------+-------------------------------------
Reporter: | Owner:
superandrzej | Status: new
Type: defect | Component:
Priority: normal | undetermined
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by superandrzej):
I uploaded Ticket #1438.vob file.
The output is different but an *.avi film is produced.
Sound is distorted but I noticed that this also happens without -ss
options.
-> ffmpeg -ss 0:00:30 -i '/A/film-s.vob' '/A/film.avi'
ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
built on Jun 10 2012 23:15:05 with gcc 4.6.2
configuration: --cpu=i686 --prefix=/usr --disable-static --enable-shared
--enable-gpl --enable-version3 --disable-ffserver --enable-x11grab
--disable--amrnb --enable-libopencore-amrwb --enable-libmp3lame --enable-
libtheora
libavutil 51. 54.100 / 51. 54.100
libavcodec 54. 23.100 / 54. 23.100
libavformat 54. 6.100 / 54. 6.100
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 77.100 / 2. 77.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
[mpeg @ 0x966b3c0] max_analyze_duration 5000000 reached at 5000000
Input #0, mpeg, from '/A/film-s.vob':
Duration: 00:00:57.88, start: 0.287267, bitrate: 7075 kb/s
Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR
64:45 DAR 16:9], 9800 kb/s,
Stream #0:1[0x20]: Subtitle: dvd_subtitle
Stream #0:2[0x21]: Subtitle: dvd_subtitle
Stream #0:3[0x22]: Subtitle: dvd_subtitle
Stream #0:4[0x23]: Subtitle: dvd_subtitle
Stream #0:5[0x24]: Subtitle: dvd_subtitle
Stream #0:6[0x25]: Subtitle: dvd_subtitle
Stream #0:7[0x26]: Subtitle: dvd_subtitle
Stream #0:8[0x27]: Subtitle: dvd_subtitle
Stream #0:9[0x80]: Audio: ac3, 48000 Hz, 5.1(side), s16, 448 kb/s
Stream #0:10[0x81]: Audio: ac3, 48000 Hz, 5.1(side), s16, 384 kb/s
Stream #0:11[0x82]: Audio: ac3, 48000 Hz, 5.1(side), s16, 384 kb/s
Stream #0:12[0x83]: Audio: ac3, 48000 Hz, 5.1(side), s16, 384 kb/s
Stream #0:13[0x84]: Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
Stream #0:14[0x28]: Subtitle: dvd_subtitle
Stream #0:15[0x29]: Subtitle: dvd_subtitle
Stream #0:16[0x2a]: Subtitle: dvd_subtitle
[buffer @ 0x96ad0c0] w:720 h:576 pixfmt:yuv420p tb:1/90000 sar:64/45
sws_param:flags=2
[buffersink @ 0x96733e0] No opaque field provided
[aformat @ 0x969fe00] auto-inserting filter 'auto-inserted resampler 0'
between the filter 'src' and the filter 'aformat'
[aresample @ 0x9770e80] chl:5.1(side) fmt:s16 r:48000Hz -> chl:stereo
fmt:s16 r:48000Hz
Output #0, avi, to '/A/film.avi':
Metadata:
ISFT : Lavf54.6.100
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x576 [SAR
64:45 DAR 16:9], q=2-31, 2
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16
Stream mapping:
Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
Stream #0:9 -> #0:1 (ac3 -> libmp3lame)
Press [q] to stop, [?] for help
[ac3 @ 0x971f5a0] frame sync error
Error while decoding stream #0:9
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 25 times
Adjusting PTS forward=5.4 size= 78kB time=00:00:00.52
bitrate=1204.8kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 27 times
Adjusting PTS forward=12.8 size= 141kB time=00:00:01.56 bitrate=
742.9kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 35 times
Adjusting PTS forward=20.7 size= 217kB time=00:00:02.90 bitrate=
612.6kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 20 times
Adjusting PTS forward=8.2 size= 252kB time=00:00:03.69 bitrate=
559.5kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 32 times
Adjusting PTS forward=19.7 size= 385kB time=00:00:04.92 bitrate=
640.3kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 28 times
Adjusting PTS forward=23.4 size= 447kB time=00:00:06.00 bitrate=
610.0kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 26 times
Adjusting PTS forward=24.3 size= 502kB time=00:00:06.98 bitrate=
589.0kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 27 times
Adjusting PTS forward=28.0 size= 557kB time=00:00:08.04 bitrate=
567.2kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 24 times
Adjusting PTS forward=31.0 size= 634kB time=00:00:08.97 bitrate=
578.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 35 times
Adjusting PTS forward=24.8 size= 698kB time=00:00:10.32 bitrate=
554.3kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 26 times
Adjusting PTS forward=31.0 size= 742kB time=00:00:11.30 bitrate=
537.7kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 34 times
Adjusting PTS forward=31.0 size= 801kB time=00:00:12.60 bitrate=
520.9kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 26 times
Adjusting PTS forward=24.8 size= 843kB time=00:00:13.60 bitrate=
507.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 27 times
Adjusting PTS forward=31.0 size= 890kB time=00:00:14.66 bitrate=
497.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 29 times
Adjusting PTS forward=31.0 size= 965kB time=00:00:15.79 bitrate=
500.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 31 times
Adjusting PTS forward=31.0 size= 1024kB time=00:00:16.96 bitrate=
494.3kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 26 times
Adjusting PTS forward=31.0 size= 1068kB time=00:00:17.97 bitrate=
486.9kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 31 times
Adjusting PTS forward=31.0 size= 1116kB time=00:00:19.15 bitrate=
477.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 16 times
Adjusting PTS forward=31.0 size= 1179kB time=00:00:19.82 bitrate=
487.1kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 25 times
Adjusting PTS forward=31.0 size= 1290kB time=00:00:20.78 bitrate=
508.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 24 times
Adjusting PTS forward=31.0 size= 1387kB time=00:00:21.72 bitrate=
523.1kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 25 times
Adjusting PTS forward=31.0 size= 1485kB time=00:00:22.63 bitrate=
537.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 23 times
Adjusting PTS forward=31.0 size= 1576kB time=00:00:23.59 bitrate=
547.4kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 29 times
Adjusting PTS forward=24.8 size= 1647kB time=00:00:24.72 bitrate=
545.8kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 26 times
Adjusting PTS forward=31.0 size= 1689kB time=00:00:25.70 bitrate=
538.2kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 26 times
Adjusting PTS forward=31.0 size= 1739kB time=00:00:26.73 bitrate=
532.8kbits/s dup=0 drop=2
[mpeg @ 0x966b3c0] Adjusting PTS forward
Last message repeated 28 times
Adjusting PTS forward=31.0 size= 1795kB time=00:00:27.79 bitrate=
529.2kbits/s dup=0 drop=2
[mpeg2video @ 0x9671740] ac-tex damaged at 35 21
[mpeg2video @ 0x9671740] Warning MVs not available
[mpeg2video @ 0x9671740] concealing 675 DC, 675 AC, 675 MV errors
[ac3 @ 0x971f5a0] incomplete frame
frame= 706 fps= 51 q=31.0 Lsize= 1845kB time=00:00:27.93 bitrate=
541.1kbits/s dup=0 drop=2
video:1348kB audio:442kB global headers:0kB muxing overhead 3.032815%
[[BR]]
[[BR]]
shell I upload bigger file to reproduce exactly the same output or this
one will be useful?
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1438#comment:3>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list