To select the second steam by index use -disposition:1. I demux DVD then remux it with a additional subtitle. Note s in -disposition:s:0 in this case stands for subtitle and not stream. To remux MKV to MP4 with FFmpeg, you can copy the existing video and audio streams and put them. srt subtitle files: ffmpeg -i input.mp4 -i subtitleeng.srt -i. At least for me it works with: ffmpeg -i in.mp4 -i in.srt -c copy -disposition:s:0 default out.mkv acodec copy -scodec srt -metadata:s:s:0 languagefre output.mkv.
#Mkv to mp4 ffmpeg with subtitles Patch#
I think as per this patch this is now possible. There is the possibility to set the default flag afterwards with mkvpropedit like this: mkvpropedit output.mkv -edit track:s1 -set flag-default=1īut is it possible to do this directly with ffmpeg? ass subtitle format, not convert the subtitles to mov_text like suggested in this similar question: pix_fmt yuv420p10le -c:a copy -c:s copy output.mkv Is it possible to set the default flag for the subtitles track?įfmpeg command used: ffmpeg -i video.mp4 -i subtitles.ass -c:v libx264 -preset veryslow \ On my MKV file, theres differents types of subtitles (Different languages), but I only need the first one if its impossible to have all of them.
ass subtitles track to an mkv video with ffmpeg, it isn't set as default track, so on playback you have to manually turn on subtitles. Basic trick is to realize that both mkv and mp4 files are container files, which combine a video stream, and an audio stream (plus any subtitle, metadata, or.
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