[FFmpeg-trac] #531(undetermined:new): failure to extract DVB-Teletext track (zero-length file)

[FFmpeg]

#531: failure to extract DVB-Teletext track (zero-length file)
-------------------------------------+-------------------------------------
             Reporter:  BrianEnigma  |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git          |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by BrianEnigma):

 Output:
 {{{
 [briane at briane-linux ffmpeg-0.8.4]$ ./ffmpeg_g -i SEVEN_Digital_658M.trp
 -vn -an -scodec copy -f rawvideo teletext.datffmpeg version 0.8.4,
 Copyright (c) 2000-2011 the FFmpeg developers
   built on Sep 27 2011 15:48:37 with gcc 4.1.2 20080704 (Red Hat 4.1.2-50)
   configuration: --disable-shared --enable-static
   libavutil    51.  9. 1 / 51.  9. 1
   libavcodec   53.  7. 0 / 53.  7. 0
   libavformat  53.  4. 0 / 53.  4. 0
   libavdevice  53.  1. 1 / 53.  1. 1
   libavfilter   2. 23. 0 /  2. 23. 0
   libswscale    2.  0. 0 /  2.  0. 0
 [mpeg2video @ 0x1e815860] mpeg_decode_postinit() failure
     Last message repeated 2 times
 [mpeg2video @ 0x1e84efc0] mpeg_decode_postinit() failure
 [mp3 @ 0x1e817800] Header missing
 [mpeg2video @ 0x1e848040] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e84efc0] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e848040] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e84efc0] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e815860] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e848040] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e84efc0] mpeg_decode_postinit() failure
     Last message repeated 4 times
 [mpeg2video @ 0x1e848040] mpeg_decode_postinit() failure
 [mpeg2video @ 0x1e84efc0] mpeg_decode_postinit() failure
     Last message repeated 3 times
 Input #0, mpegts, from 'SEVEN_Digital_658M.trp':
   Duration: 11:08:59.23, start: 31478.449933, bitrate: 137 kb/s
   Program 1312
     Metadata:
       service_name    : 7 Digital
       service_provider: Seven Network
     Stream #0.7[0x202]: Audio: mp2, 48000 Hz, stereo, s16, 256 kb/s
     Stream #0.0[0x204](eng): Subtitle: [6][0][0][0] / 0x0006
     Stream #0.4[0x201]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR
 64:45 DAR 16:9], 15000 kb/s, 25.94 fps, 25 tbr, 90k tbn, 50 tbc
   Program 1313
     Metadata:
       service_name    : 7 Digital 1
       service_provider: Seven Network
     Stream #0.7[0x202]: Audio: mp2, 48000 Hz, stereo, s16, 256 kb/s
     Stream #0.0[0x204](eng): Subtitle: [6][0][0][0] / 0x0006
     Stream #0.4[0x201]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR
 64:45 DAR 16:9], 15000 kb/s, 25.94 fps, 25 tbr, 90k tbn, 50 tbc
   Program 1314
     Metadata:
       service_name    : 7 Digital 2
       service_provider: Seven Network
     Stream #0.7[0x202]: Audio: mp2, 48000 Hz, stereo, s16, 256 kb/s
     Stream #0.0[0x204](eng): Subtitle: [6][0][0][0] / 0x0006
     Stream #0.4[0x201]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR
 64:45 DAR 16:9], 15000 kb/s, 25.94 fps, 25 tbr, 90k tbn, 50 tbc
   Program 1315
     Metadata:
       service_name    : 7 Digital 3
       service_provider: Seven Network
     Stream #0.7[0x202]: Audio: mp2, 48000 Hz, stereo, s16, 256 kb/s
     Stream #0.0[0x204](eng): Subtitle: [6][0][0][0] / 0x0006
     Stream #0.4[0x201]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR
 64:45 DAR 16:9], 15000 kb/s, 25.94 fps, 25 tbr, 90k tbn, 50 tbc
   Program 1316
     Metadata:
       service_name    : 7 HD Digital
       service_provider: Seven Network
     Stream #0.0[0x204](eng): Subtitle: [6][0][0][0] / 0x0006
     Stream #0.1[0x241]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR
 64:45 DAR 16:9], 9000 kb/s, 50.88 fps, 50 tbr, 90k tbn, 100 tbc
     Stream #0.2[0x242]: Audio: mp2, 48000 Hz, stereo, s16, 256 kb/s
     Stream #0.3[0x243]: Audio: ac3, 48000 Hz, stereo, s16, 384 kb/s
   Program 1318
     Metadata:
       service_name    : Program Guide
       service_provider: Seven Network
     Stream #0.6[0x261]: Video: mpeg2video (Main), yuv420p, 704x576 [PAR
 16:11 DAR 16:9], 1262 kb/s, 30.32 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0.5[0x262](eng): Audio: mp2, 48000 Hz, stereo, s16, 64 kb/s
 Output #0, rawvideo, to 'teletext.dat':
   Metadata:
     encoder         : Lavf53.4.0
     Stream #0.0(eng): Subtitle: [6][0][0][0] / 0x0006
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop, [?] for help
 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s
 video:0kB audio:0kB global headers:0kB muxing overhead nan%
 [briane at briane-linux ffmpeg-0.8.4]$ ls -l teletext.dat
 -rw-rw-r-- 1 briane briane 0 Oct  4 09:46 teletext.dat
 [briane at briane-linux ffmpeg-0.8.4]$
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/531#comment:3>
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