[FFmpeg-devel] CrystalHD and ffmpeg probe behaviour

[Michael Niedermayer]

On Sat, Jan 14, 2012 at 03:23:32PM -0700, Philip Langdale wrote:
> Hi all,
> 
> The one last issue I need to sort out before you can reliably use
> the crystalhd
> decoder for transcoding is that, as far as I can tell, unless you
> ensure the
> crystalhd decoder is the default (first chosen) decoder for a given
> format, ffmpeg
> will incorrectly identify the raw yuv format of the decoded stream,
> leading to
> failures at actual transcode time.
> 
> If I make the crystalhd decoder the default one, then ffmpeg sees
> that the decoder
> returns yuyv422 and automatically configures the scaler to do
> colourspace conversion
> to yuv420p for the encoder, and everything works.

Why does the crystalhd decoder not return the same format ?
i mean yuv420p for bitstreams that store yuv420

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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