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In digging into this I am just trying to get good CEA compliant captions out of OBS, the devs on Discord mentioned that OBS uses libcaption. That discussion can be found here: https://discord.com/channels/348973006581923840/374636084883095554/937035706507853865 As stated in that topic: Seems a possible fix for getting good CEA compliant captions would be to implement libavutil/cc_fifo.c which as dheitmueller states: "repacks the series of tuples with each frame based on the target framerate, and it's hooked in to each filter which changes the framerate." and then he uses libavfilter/vf_ccrepack.c to "have a filter which does the repacking if the cc_count is simply wrong and the data is intact." Those libs are here: https://github.com/LTNGlobal-opensource/FFmpeg-ltn/blob/lted1/libavfilter/vf_ccrepack.c https://github.com/LTNGlobal-opensource/FFmpeg-ltn/blob/lted1/libavutil/cc_fifo.c
Would this be something libcaption would be able to do? Thanks!
The text was updated successfully, but these errors were encountered:
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In digging into this I am just trying to get good CEA compliant captions out of OBS, the devs on Discord mentioned that OBS uses libcaption. That discussion can be found here: https://discord.com/channels/348973006581923840/374636084883095554/937035706507853865
As stated in that topic: Seems a possible fix for getting good CEA compliant captions would be to implement libavutil/cc_fifo.c which as dheitmueller states: "repacks the series of tuples with each frame based on the target framerate, and it's hooked in to each filter which changes the framerate." and then he uses libavfilter/vf_ccrepack.c to "have a filter which does the repacking if the cc_count is simply wrong and the data is intact."
Those libs are here:
https://github.com/LTNGlobal-opensource/FFmpeg-ltn/blob/lted1/libavfilter/vf_ccrepack.c
https://github.com/LTNGlobal-opensource/FFmpeg-ltn/blob/lted1/libavutil/cc_fifo.c
Would this be something libcaption would be able to do? Thanks!
The text was updated successfully, but these errors were encountered: