On Fri, 10 Feb 2017, Carles Vila wrote:
Hi, I'd like to know if there is a simple way (script) to extract all audios individually from a video. The video could have N stereo streams (normally up to 16), M mono streams (up to 16), or a combination of both. Now I have to write the -map structure manually after probing the input. Ideally I need to end up with as many mono wavs as individual channels. If you could give me a starting point, I could probably figure out.
I think you can only do this by dynamically generating the command line based on the probed input. So yes, you should write a script which first probes the input streams with ffprobe (there are many output formats: xml, json), then your script should determine the command line based on the number of channels in yout input streams, and finally the script should
execute ffmpeg with the proper command line. Regards, Marton _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
