[FFmpeg-user] Test if ProRes 4444 are real 12bit

Bob Maple bobm-ffmpeg at burner.com
Mon Jan 26 18:13:49 CET 2015

>>>       Stream #0:0(eng): Video: none (ap4x / 0x78347061)

Prores 4444 XQ is new -- basically the same as 4444 regular but an even
higher bitrate.  Sounds like ffmpeg just doesn't recognize it yet.

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