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FFmpeg cannot burn-in subs on some videos?
I'm not sure what the issue is but it works fine on Handbrake, but breaks on FFmpeg, this command works for sure since I have burned in subs with the same command just a few hours before.
Subtitles definitely exist since it worked with Handbrake pretty fine!
ffmpeg -i '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv' -map 0:v -map 0:2 -acodec aac -crf 21 -preset veryfast -filter_complex subtitles="'/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv':si=1" '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv/test.mp4'
[1;32m[Parsed_subtitles_0 @ 0x55ae5b7c12c0] [0mShaper: FriBidi 0.19.7 (SIMPLE) > HarfBuzz-ng 1.7.2 (COMPLEX)
[0;35m[matroska,webm @ 0x55ae5b7bda00] [0m[0;33mCould not find codec parameters for stream 3 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[0m[0;35m[matroska,webm @ 0x55ae5b7bda00] [0m[0;33mCould not find codec parameters for stream 4 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[0m[1;32m[Parsed_subtitles_0 @ 0x55ae5b7c12c0] [0mUsing font provider fontconfig
[1;32m[Parsed_subtitles_0 @ 0x55ae5b7c12c0] [0m[1;31mOnly text based subtitles are currently supported
[0m[1;32m[AVFilterGraph @ 0x55ae5b7e7440] [0m[1;31mError initializing filter 'subtitles'[0m[1;31m with args '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv:si=1'[0m[1;31m
[0m[4;31mError initializing complex filters.
[0m[4;31mNot yet implemented in FFmpeg, patches welcome
[0m
Comments
Running this on Ubuntu 18!
ffmpeg -probesize 1M -analyzeduration 1M -i '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv' -map 0:v -map 0:2 -acodec aac -crf 21 -preset veryfast -filter_complex subtitles="'/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv':si=1" '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv/test.mp4'
Use HandBrake 4head 😘
FTFY
[1;32m[Parsed_subtitles_0 @ 0x557aafd13400] [0mShaper: FriBidi 0.19.7 (SIMPLE) HarfBuzz-ng 1.7.2 (COMPLEX) [0;35m[matroska,webm @ 0x557aafd0fb40] [0m[0;33mCould not find codec parameters for stream 3 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [0m[0;35m[matroska,webm @ 0x557aafd0fb40] [0m[0;33mCould not find codec parameters for stream 4 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size Consider increasing the value for the 'analyzeduration' and 'probesize' options [0m[1;32m[Parsed_subtitles_0 @ 0x557aafd13400] [0mUsing font provider fontconfig [1;32m[Parsed_subtitles_0 @ 0x557aafd13400] [0m[1;31mOnly text based subtitles are currently supported [0m[1;32m[AVFilterGraph @ 0x557aafd700c0] [0m[1;31mError initializing filter 'subtitles'[0m[1;31m with args '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv:si=1'[0m[1;31m [0m[4;31mError initializing complex filters. [0m[4;31mNot yet implemented in FFmpeg, patches welcome [0mSame thing
Same thing
Try dumping the subtitle streams from the previous videos that you managed to successfully encoded to check what format they are.
My guess would be your ffmpeg version doesn't support or has trouble with pgs subs and am guessing that the previous videos you encoded successfully had a different sub format.
Trying out this, might work since it's encoding:
ffmpeg -i '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mkv' -map 0:v -map 0:2 -filter_complex '[0:v:0][0:4]overlay' -acodec copy -crf 21 -sn '/root/temp/.todo/some-sample-test-folder-here-one-two/test.mp4'Although, it didn't let me exactly specify where to get the subtitle like the previous command, so I'm not exactly sure if it will work.
EDIT: Worked