[FFmpeg-user] uncompressed RGB within MXF

[Paul B Mahol]

On 10/24/18, Kieran O Leary <kieran.o.leary at gmail.com> wrote:
> Hi,
>
> I see that uncompressed RGB is not supported within MXF. I know that
> Resolve can create 10-bit RGB but only at HD resolution. I didn't see
> anything relating to uncompressed RGB in the UL list in mxfenc.c and I
> don't have an SMPTE account to get beyond the Paywall that would let
> me know what RGB pixel formats are possible within MXF in a general
> sense.
>
> I'm assuming that there isn't some option that I'm missing out on
> here, it just isn't supported?

We need people like you to get it supported. Feel free to share such samples.

>
> $ ./ffmpeg -f lavfi -i testsrc -pix_fmt gbrp10le -c:v copy out.mxf
> ffmpeg version N-92260-g3cc3cb663b Copyright (c) 2000-2018 the FFmpeg
> developers
>   built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
>   configuration:
>   libavutil      56. 20.100 / 56. 20.100
>   libavcodec     58. 33.102 / 58. 33.102
>   libavformat    58. 19.102 / 58. 19.102
>   libavdevice    58.  4.106 / 58.  4.106
>   libavfilter     7. 37.100 /  7. 37.100
>   libswscale      5.  2.100 /  5.  2.100
>   libswresample   3.  2.100 /  3.  2.100
> Input #0, lavfi, from 'testsrc':
>   Duration: N/A, start: 0.000000, bitrate: N/A
>     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24,
> 320x240 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
> [mxf @ 0x56227a627880] track 0: could not find essence container ul,
> codec not currently supported in container
> Could not write header for output file #0 (incorrect codec parameters
> ?): Operation not permitted
> Stream mapping:
>   Stream #0:0 -> #0:0 (copy)
>     Last message repeated 1 times
>
> Best,
>
> Kieran.
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