lavf/gif: simplify palette writing.

12 years ago · dfb323109c
parent 7b972d82b6
commit dfb323109c
1 changed files with 2 additions and 5 deletions
--- 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 */