[FFmpeg-user] Cannot open/transcode MXF OP-Atom files

Tim Nicholson nichot20 at yahoo.com
Thu Apr 26 10:44:04 CEST 2012

On 25/04/12 14:23, Peter B. wrote:
> I've now received the permission to provide my sample MXF file:
> http://download.das-werkstatt.com/pb/mthk/examples/mxf/test_v1.mxf
> If I'm correct, the file is an uncompressed NTSC YUV OP-Atom, created
> using BBC R&D's "Ingex" [1].
> In an entry from February 2012, in Ingex's bugtracker on Sourceforge
> [2], Philip de Nier said:
> "Unfortunately, no it (FFmpeg) doesn't support Avid uncompressed
> OP-Atoms. I then thought that you could use bmxtranswrap to convert from
> OP-Atom to OP-1A, but it turns out that FFmpeg doesn't support
> uncompressed YUV in OP-1A either. I've pushed some FFmpeg patches that I
> had to support the archive preservation format and if accepted then
> FFmpeg will support uncompressed YUV in OP-1A. Philip"
> What is the current state regarding this?

Well current ffmpeg *does* support archive preservation format MXF
OP1A's as made by Ingex Archive, but that is not the same thing as Ingex
Studios MXF OPatom's.

Have you tried rewrapping and seeing if ffmpeg then accepts it?

> [..]


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