[FFmpeg-devel] [PATCH]Add two v4l2 pix_fmts
stefasab at gmail.com
Sat Feb 16 16:11:22 CET 2013
On date Saturday 2013-02-16 01:02:20 +0100, Stefano Sabatini encoded:
> On date Tuesday 2013-02-12 00:45:52 +0000, Carl Eugen Hoyos encoded:
> > Stefano Sabatini <stefasab <at> gmail.com> writes:
> > > > if (desired_format == V4L2_PIX_FMT_YVU420)
> > > > st->codec->codec_tag = MKTAG('Y', 'V', '1', '2');
> > > > + else if (desired_format == V4L2_PIX_FMT_YVU410)
> > > > + st->codec->codec_tag = MKTAG('Y', 'V', 'U', '9');
> > >
> > > why these exceptions?
> > They are needed both for decoding and remuxing YVU*.
> Yes but why do they need to set a specific tag (as opposed to the
> other formats), or in other works why are they special?
Also note that this is not meant to block the patch, but an
explanation would be welcome.
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