[FFmpeg-devel] [PATCH] MXF format fix for Sony Station compatibility

2017-10-23 Thread Development
This patch fixes the MXF format write. This is required for Sony XDCAM
Station and Sony Content Browser compatibility.


Axel Technology development team.




0001-Sony-XDCAM-Fix.patch
Description: Binary data
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Re: [FFmpeg-devel] [PATCH] MXF format fix for Sony Station compatibility

2017-10-23 Thread Carl Eugen Hoyos
2017-10-23 12:31 GMT+02:00  :
> This patch fixes the MXF format write. This is required for
> Sony XDCAM Station and Sony Content Browser compatibility.

The patch contains trailing whitespace and tabs, both cannot
be committed to the FFmpeg repository.
You can use tools/patcheck to find the issues.

> +mxf_write_local_tag(pb, 4, 0x3308);
> +if (st->codec->pix_fmt == AV_PIX_FMT_YUV420P)
> +avio_wb32(pb, 2);
> +else
> +avio_wb32(pb, 1);

This looks a little suspicious:
What does "2" mean, what does "1" mean?

(And please consider adding braces around "else", makes
future patches in general simpler.)

Is there a reason why this patch does not name an author?

Thank you, Carl Eugen
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Re: [FFmpeg-devel] [PATCH] MXF format fix for Sony Station compatibility

2017-10-23 Thread Carl Eugen Hoyos
2017-10-23 13:07 GMT+02:00 Carl Eugen Hoyos :
> 2017-10-23 12:31 GMT+02:00  :
>> This patch fixes the MXF format write. This is required for
>> Sony XDCAM Station and Sony Content Browser compatibility.

>> +mxf_write_local_tag(pb, 4, 0x3308);
>> +if (st->codec->pix_fmt == AV_PIX_FMT_YUV420P)
>> +avio_wb32(pb, 2);
>> +else
>> +avio_wb32(pb, 1);
>
> This looks a little suspicious:

See what's done for 0x3302, add a new context variable
v_chroma_sub_sample, set it together with the existing
h_chroma_sub_sample and use it here.

Carl Eugen
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