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does youtube-dl merge the audio and video of youtube 1080p videos with ffmpeg without re-encoding ? #4609
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angel100w
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There is no quality loss, it just muxes them together. To output the full ffmpeg command used for mixing use |
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hi,
i just want to know if youtube-dl merges the audio and video of youtube 1080p videos with ffmpeg without re-encoding so there is no quality loss ?
what is the command used ? is it this one : ffmpeg -i filename_video.mp4 -i filename_audio.m4a -vcodec copy -acodec copy filename.mp4 ?