[SCM] libav/experimental: Use pixel format descriptors for checking if the input format is paletted. Simpler and more robust.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit ef9f8dd7305e39f5579b33abeec425c11f4f1b6d
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Wed Feb 3 23:10:18 2010 +0000

    Use pixel format descriptors for checking if the input format is
    paletted. Simpler and more robust.
    
    Originally committed as revision 21631 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavfilter/vf_crop.c b/libavfilter/vf_crop.c
index e3944ef..94d89d1 100644
--- a/libavfilter/vf_crop.c
+++ b/libavfilter/vf_crop.c
@@ -24,6 +24,7 @@
  */
 
 #include "avfilter.h"
+#include "libavutil/pixdesc.h"
 
 typedef struct {
     int  x;             ///< x offset of the non-cropped area with respect to the input area
@@ -173,11 +174,7 @@ static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
     ref2->data[0] += crop->y * ref2->linesize[0];
     ref2->data[0] += (crop->x * crop->bpp) >> 3;
 
-    if (link->format != PIX_FMT_PAL8      &&
-        link->format != PIX_FMT_BGR4_BYTE &&
-        link->format != PIX_FMT_RGB4_BYTE &&
-        link->format != PIX_FMT_BGR8      &&
-        link->format != PIX_FMT_RGB8) {
+    if (!(av_pix_fmt_descriptors[link->format].flags & PIX_FMT_PAL)) {
         for (i = 1; i < 3; i ++) {
             if (ref2->data[i]) {
                 ref2->data[i] += (crop->y >> crop->vsub) * ref2->linesize[i];

-- 
Libav/FFmpeg packaging