[vlc-devel] [PATCH 3/5] vout: chroma chain: fix scaling before transform
fcvlcdev at free.fr
Thu Sep 12 09:56:18 CEST 2019
Le 12/09/2019 à 09:00, Steve Lhomme a écrit :
>> + es_format_Copy( &fmt_mid, &p_filter->fmt_out );
>> + /* Set mid format to same rotation as source,
>> + * so we get proper scaling before transform */
>> + video_format_TransformTo( &fmt_mid.video,
>> p_filter->fmt_in.video.orientation );
> This is not equivalent to what EsFormatMergeSize() was doing. For
> example the fmt_in SAR was copied to the middle format. Same thing for
> the fmt_in dimensions which are not used at all here.
> Expanding EsFormatMergeSize() is probably the way to go.
The transformation should have changed destination A/R, there's no raw
source or dest value to copy.
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