[FFmpeg-user] Piping uncompressed from ffmpeg to ffplay

[Paul B Mahol]

On 11/17/15, John Pilgrim <lists at johnpilgrim.net> wrote:
> 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.
>

Maybe this:

ffmpeg -ss 0 -lowres 1 -i video.mxf -i audio.mxf -f matroska -c:a flac
-c:v rawvideo - | ffplay -