[FFmpeg-user] Piping uncompressed from ffmpeg to ffplay

John Pilgrim lists at johnpilgrim.net
Tue Nov 17 18:54:33 CET 2015

I'm currently using the following command to play DCPs
ffmpeg -ss 0 -lowres 1 -i video.mxf -i audio.mxf -f matroska - | ffplay -

I notice that the video is being transcoded to h264:
Stream mapping:
  Stream #0:0 -> #0:0 (jpeg2000 (native) -> h264 (libx264))
  Stream #1:0 -> #0:1 (pcm_s24le (native) -> vorbis (libvorbis))

My Question: What would be a revision to this invocation to send uncompressed (v210) video to ffplay instead of h264?

FWIW, I am not committed to using matroska as a container. Any container that works is fine.
Also using rawvideo didn't seem to send the audio.
Lastly, this is on MacOS specifically.

Thanks for your help!

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