Extract Eia 608 Captions Ffmpeg

An isom file was uploaded that is supposed to contain Closed Captions as a separate stream.Playing the file with ffplay shows many warnings, I don't know how to use Closed Captions with ffmpeg.$ ffplay -i Full Episode.mp4ffplay version N-72859-g5b2f979 Copyright (c) 2003-2015 the FFmpeg developersbuilt with gcc 4.7 (SUSE Linux)configuration: -enable-gpllibavutil 54. 27.100libavcodec 56. 41.100libavformat 56. 36.100libavdevice 56. 4.100libavfilter 5. 16.101libswscale 3. 1.101libswresample 1.

Trouble with Closed Captions - posted in General/Windows: I am trying to make the switch from Plex to Emby but am having some trouble with closed captions being recognized. I am Running the latest stable server version for Windows. I have some TV shows that have EIA608 captions embedded into the video stream. The Video and Audio streams are in mkv containers and all videos are h264.

2.100libpostproc 53. $ ffmpeg -i Full Episode.mp4 -qscale 2 out.mkvffmpeg version N-73448-g7efe81a Copyright (c) 2000-2015 the FFmpeg developersbuilt with gcc 4.7 (SUSE Linux)configuration: -enable-gpllibavutil 54. 28.100libavcodec 56.

46.101libavformat 56. 40.100libavdevice 56. 4.100libavfilter 5. 20.100libswscale 3. 1.101libswresample 1. 2.100libpostproc 53. Someone beat me to it.I've been trying to get Subtitle Edit, CCextractor and VLC to decode these things properly and I'm not sure how much progress has been made.

Pretty much everything you need to know to decode them is scattered throughout the linked to Subtitle Edit page.Basically, 608 captions = Line 21 captions. They're designed to be written into line 21 two bytes at a time at 30 frames per second and should be decoded as such. I don't know if that's the problem here, but it seems to be what everyone else is missing. Anshul@linux-z9q9:/Project/MUltimedia/FFmpeg./ffmpeg -i /d/TestVideos/mp4/Full Episode.mp4 -scodec copy -acodec copy test.mp4ffmpeg version N-74672-g540f280 Copyright (c) 2000-2015 the FFmpeg developersbuilt with gcc 4.8 (SUSE Linux)configuration: -enable-gpl -enable-libmp3lame -enable-libtheora -enable-libvorbis -enable-libx264 -enable-nonfree -enable-postproc -enable-version3 -enable-x11grab -enable-libvpx -disable-optimizationslibavutil 54. 31.100libavcodec 56.

58.100libavformat 56. 40.101libavdevice 56. 4.100libavfilter 5. 38.100libswscale 3.

1.101libswresample 1. 2.101libpostproc 53. Works fine (?) here:$ ffmpeg -i Full Episode 2.mp4 -c copy -map 0 out.movBut that wasn't my question, what I meant was: If the mov demuxer removes the header bytes that the cc decoder doesn't understand, would the mov muxer have all necessary information to recreate the header if somebody implemented it? Or would the information be lost?Or in other words: Is a separate codec id necessary for closed captions in mov because it contains different data than closed captions in mpeg streams or is it possible to stream copy both from mov and mpeg to mov and therefore one codec id is correct? The beginning of the Closed Captions looks like the following:00000000 00 00 00 0c 63 64 61 74 00 00 00 00 00 00 00 5c.cdat. 00000010 63 64 61 74 94 20 94 52 c8 49 2c 20 54 c8 45 52 cdat.R.I, T.ER 00000020 45 ae 20 4a d5 d3 54 20 57 c1 ce 54 45 c4 94 f2 E. Gadmei utv380 driver for mac windows 10.

J.T W.TE. 00000030 54 4f 20 57 45 4c 43 4f cd 45 20 d9 4f d5 20 54 TO WELCO.E.O. T 00000040 4f 20 cd d9 20 d3 c8 4f 57 80 94 20 94 2c 94 2f O.OW./ 00000050 94 20 94 f2 d3 54 c1 52 52 49 ce c7 20 cd 45 ad.T.RRI.E. 00000060 ad cb d5 da 43 4f ae 80 00 00 00 3c 63 64 61 74.CO.

For the other sample, the Closed Captions start with:00000000 00 00 00 0c 63 64 61 74 00 00 00 00 00 00 00 52.cdat.R 00000010 63 64 61 74 94 20 94 ae 94 40 97 a2 3e 3e 20 c8 cdat.@. 00000020 75 ec ec 20 64 61 6d 61 67 e5 ba 20 32 b0 25 2c u. 2.%, 00000030 20 62 75 f4 20 f4 68 e5 94 e0 97 a2 73 79 73 f4 bu.h.sys. 00000040 e5 6d a7 73 20 73 f4 e9 ec ec 20 ef 70 e5 f2 61.m.s s.p.a 00000050 f4 e9 ef 6e 61 ec ae 80 80 80 80 80 94 2f 00 00.na./. This should be decoded as ' Hull damage: 20%, but the system's still operational.' When cutting away the first eight bytes, I get no output from ccdec.

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