[FFmpeg-devel] [PATCH] swscale alpha channel support

Måns Rullgård mans
Thu Mar 5 22:38:11 CET 2009


C?dric Schieli <cschieli at gmail.com> writes:

> #5 : sws_configure_alpha.patch
> add --swscale-alpha configure option
>
> Index: ffmpeg/configure
> ===================================================================
> --- ffmpeg.orig/configure	2009-03-04 20:09:12.285524673 +0100
> +++ ffmpeg/configure	2009-03-04 20:30:38.477565212 +0100
> @@ -93,6 +93,7 @@ show_help(){
>    echo "  --disable-ipv6           disable IPv6 support [no]"
>    echo "  --disable-mpegaudio-hp   faster (but less accurate) MPEG audio decoding [no]"
>    echo "  --enable-gray            enable full grayscale support (slower color)"
> +  echo "  --enable-swscale-alpha   enable alpha channel support in swscale"
>    echo "  --enable-fastdiv         enable table-based division"
>    echo "  --enable-small           optimize for size instead of speed"
>    echo "  --disable-aandct         disable AAN DCT code"
> @@ -764,6 +765,7 @@ CONFIG_LIST="
>      gpl
>      gprof
>      gray
> +    swscale_alpha
>      hardcoded_tables
>      ipv6
>      libamr_nb

Please keep these lists sorted.

Why is this optional anyway?

-- 
M?ns Rullg?rd
mans at mansr.com




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