[FFmpeg-trac] #2712(undetermined:new): avi to mpegts with reencoding mp3 audio to ac3

FFmpeg trac at avcodec.org
Thu Jul 18 19:02:28 CEST 2013


#2712: avi to mpegts with reencoding mp3 audio to ac3
-------------------------------------+-------------------------------------
             Reporter:  kla960       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by kla960):

 OK, here is what you request.

 ffmpeg -fflags +genpts -i sample.avi -vcodec copy -acodec ac3 -y sample.ts


 ffmpeg version N-54178-gbbe26ef Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Jun 24 2013 17:15:47 with gcc 4.7.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
 libfreetyp
 e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
 --ena
 ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-l
 ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
 --enable-libsp
 eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-
 libvo-
 amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-
 libxavs --
 enable-libxvid --enable-zlib
   libavutil      52. 37.101 / 52. 37.101
   libavcodec     55. 17.100 / 55. 17.100
   libavformat    55.  9.100 / 55.  9.100
   libavdevice    55.  2.100 / 55.  2.100
   libavfilter     3. 77.101 /  3. 77.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from 'sample.avi':
   Metadata:
     encoder         : Lavf54.17.100
   Duration: 01:15:48.10, start: 0.000000, bitrate: 1234 kb/s
     Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuv420p, 720x576
 [SAR 6
 4:45 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 50 tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p,
 192 k
 b/s
 Output #0, mpegts, to 'sample.ts':
   Metadata:
     encoder         : Lavf55.9.100
     Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 720x576 [SAR
 64:45 DA
 R 16:9], q=2-31, 25 fps, 90k tbn, 25 tbc
     Stream #0:1: Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (mp3 -> ac3)
 Press [q] to stop, [?] for help
 frame= 1035 fps=0.0 q=-1.0 size=    4444kB time=00:00:41.40 bitrate=
 879.4kbits/
 frame= 2008 fps=2006 q=-1.0 size=    8382kB time=00:01:20.32 bitrate=
 854.9kbits
 frame= 3054 fps=2034 q=-1.0 size=   12310kB time=00:02:02.16 bitrate=
 825.5kbits
 .
 .
 .
 frame=112632 fps=1469 q=-1.0 size=  743963kB time=01:15:05.28
 bitrate=1352.8kbit
 frame=113622 fps=1472 q=-1.0 size=  749852kB time=01:15:44.88
 bitrate=1351.6kbit
 frame=113699 fps=1472 q=-1.0 Lsize=  750320kB time=01:15:48.09
 bitrate=1351.5kbi
 ts/s
 video:571753kB audio:106596kB subtitle:0 global headers:0kB muxing
 overhead 10.6
 09601%

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2712#comment:11>
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