How to copy all streams from input to output in FFmpeg?
FFmpeg have option to map all streams to output, you have to use option -map 0 to map all streams from input to output. In full line it might look like: ffmpeg -i in.mp4 -c copy -map 0 out.mp4. For more info see the documentation on stream selection and the -map option.
How to re-encode video with FFmpeg including all audio?
Result: All video, all audio, all subtitles. ffmpeg -i IN.mkv -c:v libx264 -threads 4 -speed 1 -f matroska -c:s copy -map 0:s OUT.mkv Result: No video, no audio, all subtitles. As far as I can tell from the manual, -c:s copy is supposed to copy all the streams, not just the default one, but it won’t.
How to do re mux in ffmpeg command line?
The stream selection default behavior only selects one stream per type of stream, so inputs with multiple audio streams will create an output with one audio stream. To disable this behavior and manually choose desired streams use the -map option. These examples use -c copy to stream copy (re-mux) from the input to to the output.
Which is the most compatible video format for FFmpeg?
Currently the most typical compatible formats are: H.264 video, H.265/HEVC video, and AAC audio. You can use negative mapping. Example to include everything except subtitles:
Do you need audio tracks in FFmpeg videos?
However, if there are no audio tracks at all, you may need to use such an attribute. Sometimes the streams are not numbered in the way i’ve described, for example audio can come before video.
How to get the right channel layout in FFmpeg?
Example to get the right channel only and output a mono audio file: channel_layout is the channel layout of the input stream. The default is stereo. channels lists the channels to be extracted as separate output streams.
How do I MUX them together so they both play?
If I flipped which map comes second, that is the stream that is audible in the output. How do I mux them together so they both play? This is the stream mappings so I have no idea why it isn’t mapping correctly? If you copied your command there then your issue is probably -acodec:0 mp. That should be -acodec:0 mp3.