[FFmpeg-cvslog] lavf/gif: simplify palette writing.

Clément Bœsch git at videolan.org
Thu Apr 18 00:26:57 CEST 2013


ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Thu Apr 18 00:17:58 2013 +0200| [dfb323109c6218e46d71d07583a2643e973190b1] | committer: Clément Bœsch

lavf/gif: simplify palette writing.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dfb323109c6218e46d71d07583a2643e973190b1
---

 libavformat/gif.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/libavformat/gif.c b/libavformat/gif.c
index 7be2d1c..4a1d3ef 100644
--- a/libavformat/gif.c
+++ b/libavformat/gif.c
@@ -55,7 +55,6 @@ static int gif_image_write_header(AVIOContext *pb, int width, int height,
                                   int loop_count, uint32_t *palette)
 {
     int i;
-    unsigned int v;
 
     avio_write(pb, "GIF", 3);
     avio_write(pb, "89a", 3);
@@ -67,10 +66,8 @@ static int gif_image_write_header(AVIOContext *pb, int width, int height,
         avio_w8(pb, 0x1f); /* background color index */
         avio_w8(pb, 0);    /* aspect ratio */
         for (i = 0; i < 256; i++) {
-            v = palette[i];
-            avio_w8(pb, (v >> 16) & 0xff);
-            avio_w8(pb, (v >>  8) & 0xff);
-            avio_w8(pb, (v)       & 0xff);
+            const uint32_t v = palette[i];
+            avio_wb24(pb, v);
         }
     } else {
         avio_w8(pb, 0); /* flags */



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