[FFmpeg-trac] #3025(undetermined:new): Adding support for TeleText in ffmpeg
FFmpeg
trac at avcodec.org
Fri Oct 4 00:31:18 CEST 2013
#3025: Adding support for TeleText in ffmpeg
-------------------------------------+-------------------------------------
Reporter: ramitbhalla | Owner:
Type: enhancement | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by ramitbhalla):
Well as far as I can tell ffmpeg doesn't support eia_608, see the output
below:
{{{
ffmpeg.2314.exe -y -i "..\0 Channel ReMuxSupp Broken Remux.wtv" -an -vn
-scodec cop
y -f srt test.srt
ffmpeg version N-54802-gfc6de70 Copyright (c) 2000-2013 the FFmpeg
developers
built on Jul 18 2013 18:01:33 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfi
g --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-
libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopenco
re-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-
libvo-amrwbenc --enable-libvorbis --enable-lib
vpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 52. 40.100 / 52. 40.100
libavcodec 55. 18.102 / 55. 18.102
libavformat 55. 12.102 / 55. 12.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 81.101 / 3. 81.101
libswscale 2. 4.100 / 2. 4.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
[wtv @ 025fb4c0] truncated file
Last message repeated 3 times
[mpeg2video @ 025f2ea0] Invalid frame dimensions 0x0.
Last message repeated 12 times
[wtv @ 025fb4c0] Stream #1: not enough frames to estimate rate; consider
increasing probesize
[wtv @ 025fb4c0] Stream #4: not enough frames to estimate rate; consider
increasing probesize
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, wtv, from '..\0 Channel ReMuxSupp Broken Remux.wtv':
Metadata:
WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74
WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000
Title : Two and a Half Men
WM/SubTitle : Mr. Hose Says Yes
WM/SubTitleDescription: Zoey and her daughter move in with Walden;
Alan gets more than he bargained for with Lyndsey
.
genre : Comedy;Series
WM/OriginalReleaseTime: 0
WM/MediaCredits : Ashton Kutcher/Jon Cryer/Angus T. Jones/Holland
Taylor/Conchata Ferrell;James Widdoes;;Courtney Th
orne-Smith/Sophie Winkleman/Graham Patrick Martin/Talyan Wright
service_provider: WGCLDT
service_name : WGCLDT (WGCL-DT)
WM/MediaNetworkAffiliation: CBS Affiliate
WM/MediaOriginalChannel: 46
WM/MediaOriginalChannelSubNumber: 1
WM/MediaOriginalBroadcastDateTime: 2012-04-16T04:00:00Z
WM/MediaOriginalRunTime: 19165982780
WM/MediaIsStereo: true
WM/MediaIsRepeat: false
WM/MediaIsLive : false
WM/MediaIsTape : false
WM/MediaIsDelay : false
WM/MediaIsSubtitled: false
WM/MediaIsMovie : false
WM/MediaIsPremiere: false
WM/MediaIsFinale: false
WM/MediaIsSAP : false
WM/MediaIsSport : false
WM/ParentalRating: TV-14
WM/Provider : MediaCenterDefault
WM/VideoClosedCaptioning: true
WM/WMRVEncodeTime: 2012-04-17 01:00:03
WM/WMRVSeriesUID: !MCSeries!00592733
WM/WMRVServiceID: !MCService!28456387
WM/WMRVProgramID: !MCProgram!273073548
WM/WMRVRequestID: 0
WM/WMRVScheduleItemID: 0
WM/WMRVQuality : 0
WM/WMRVOriginalSoftPrePadding: 360
WM/WMRVOriginalSoftPostPadding: 60
WM/WMRVHardPrePadding: -300
WM/WMRVHardPostPadding: 0
WM/WMRVATSCContent: true
WM/WMRVDTVContent: true
WM/WMRVHDContent: true
Duration : 19168516376
WM/WMRVEndTime : 2012-04-17 01:32:00
WM/WMRVBitrate : 16.821182
WM/WMRVKeepUntil: 0
WM/WMRVActualSoftPrePadding: 296
WM/WMRVActualSoftPostPadding: 60
WM/WMRVContentProtected: false
WM/WMRVContentProtectedPercent: 0
WM/WMRVExpirationSpan: 9223372036854775807
WM/WMRVInBandRatingSystem: 255
WM/WMRVInBandRatingLevel: 255
WM/WMRVInBandRatingAttributes: 0
WM/WMRVWatched : false
Duration: 00:31:56.61, start: 1.622378, bitrate: 16823 kb/s
Stream #0:0[0x12](eng): Audio: ac3, 48000 Hz, 5.1(side), fltp, 448
kb/s
Stream #0:1[0x13](eng): Audio: ac3, 48000 Hz, stereo, fltp
Stream #0:2[0x14]: Video: mpeg2video (Main), yuv420p, 1920x1080 [SAR
1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 10000k tbn
, 59.94 tbc
Stream #0:3[0x15]: Subtitle: eia_608
Stream #0:4[0xffffffff]: Video: mjpeg, yuvj420p, 200x113 [SAR 96:96
DAR 200:113], 90k tbr, 90k tbn, 90k tbc
Metadata:
title : TV Thumbnail
[srt @ 025ff760] Unsupported subtitles codec: eia_608
Output #0, srt, to 'test.srt':
Metadata:
WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74
WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000
Title : Two and a Half Men
WM/SubTitle : Mr. Hose Says Yes
WM/SubTitleDescription: Zoey and her daughter move in with Walden;
Alan gets more than he bargained for with Lyndsey
.
genre : Comedy;Series
WM/OriginalReleaseTime: 0
WM/MediaCredits : Ashton Kutcher/Jon Cryer/Angus T. Jones/Holland
Taylor/Conchata Ferrell;James Widdoes;;Courtney Th
orne-Smith/Sophie Winkleman/Graham Patrick Martin/Talyan Wright
service_provider: WGCLDT
service_name : WGCLDT (WGCL-DT)
WM/MediaNetworkAffiliation: CBS Affiliate
WM/MediaOriginalChannel: 46
WM/MediaOriginalChannelSubNumber: 1
WM/MediaOriginalBroadcastDateTime: 2012-04-16T04:00:00Z
WM/MediaOriginalRunTime: 19165982780
WM/MediaIsStereo: true
WM/MediaIsRepeat: false
WM/MediaIsLive : false
WM/MediaIsTape : false
WM/MediaIsDelay : false
WM/MediaIsSubtitled: false
WM/MediaIsMovie : false
WM/MediaIsPremiere: false
WM/MediaIsFinale: false
WM/MediaIsSAP : false
WM/MediaIsSport : false
WM/ParentalRating: TV-14
WM/Provider : MediaCenterDefault
WM/VideoClosedCaptioning: true
WM/WMRVEncodeTime: 2012-04-17 01:00:03
WM/WMRVSeriesUID: !MCSeries!00592733
WM/WMRVServiceID: !MCService!28456387
WM/WMRVProgramID: !MCProgram!273073548
WM/WMRVRequestID: 0
WM/WMRVScheduleItemID: 0
WM/WMRVQuality : 0
WM/WMRVOriginalSoftPrePadding: 360
WM/WMRVOriginalSoftPostPadding: 60
WM/WMRVHardPrePadding: -300
WM/WMRVHardPostPadding: 0
WM/WMRVATSCContent: true
WM/WMRVDTVContent: true
WM/WMRVHDContent: true
Duration : 19168516376
WM/WMRVEndTime : 2012-04-17 01:32:00
WM/WMRVBitrate : 16.821182
WM/WMRVKeepUntil: 0
WM/WMRVActualSoftPrePadding: 296
WM/WMRVActualSoftPostPadding: 60
WM/WMRVContentProtected: false
WM/WMRVContentProtectedPercent: 0
WM/WMRVExpirationSpan: 9223372036854775807
WM/WMRVInBandRatingSystem: 255
WM/WMRVInBandRatingLevel: 255
WM/WMRVInBandRatingAttributes: 0
WM/WMRVWatched : false
encoder : Lavf55.12.102
Stream #0:0: Subtitle: eia_608
Stream mapping:
Stream #0:3 -> #0:0 (copy)
Could not write header for output file #0 (incorrect codec parameters ?):
Error number -22 occurred
}}}
and also it doesn't support teletext extraction, see this thread, the wtv
file contains teletext muxed into the ts stream which ccextractor can
extract, hence I offered this telxcc to provide support to extract AND
convert teletext and eia_608.
https://trac.ffmpeg.org/ticket/1482
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3025#comment:2>
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