[FFmpeg-devel] [PATCH] avformat/mxfdec: support MCA audio information

Marton Balint cus at passwd.hu
Sun Jan 2 12:33:44 EET 2022



On Sat, 1 Jan 2022, Pierre-Anthony Lemieux wrote:

> On Sat, Jan 1, 2022 at 5:35 PM Andreas Rheinhardt
> <andreas.rheinhardt at outlook.com> wrote:
>>
>> Pierre-Anthony Lemieux:
>>> Minor suggestion below.
>>>
>>> In addition, will sample file(s) be added to FATE? Below are two examples:
>>>
>>> http://ffmpeg-imf-samples-public.s3.us-west-1.amazonaws.com/callout_51_l_r_c_lfe_ls_rs.mxf
>>> http://ffmpeg-imf-samples-public.s3.us-west-1.amazonaws.com/callout_51_l_c_r_ls_rs_lfe.mxf
>>>
>>
>> These files are 1.62MiB each, having 49 packets of lossless audio. Would
>> it decrease coverage if this were reduced? After all, the amount of
>> audio should not matter for channel reorderings.
>
> Each channel contains a synthesized human voice that announces the
> name of the channel, so that a reviewer can, by simple inspection,
> confirm the expected channel order. This will be particularly useful
> when automatic channel reordering is performed.
>
> The contents of each channel could be changed to a single tone with
> each channel assigned a different tone, e.g. 1 to 6 kHz. This might
> make the files shorter.

I'd rather stick to the human voice.

Regards,
Marton


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