From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Mon, 13 Nov 2006 05:28:55 +0000 (+0000)
Subject: Correctly detect 4-component images
X-Git-Tag: v0.5~11080
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ec8a152b6fbe2b06318c83839561191178748e1a;p=platform%2Fupstream%2Flibav.git

Correctly detect 4-component images

Originally committed as revision 7002 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 57bdc37..ee2627c 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -242,11 +242,12 @@ static int tiff_decode_tag(TiffContext *s, uint8_t *start, uint8_t *buf, uint8_t
         else{
             switch(type){
             case TIFF_BYTE:
-                s->bpp = (off & 0xFF) + ((off >> 8) & 0xFF) + ((off >> 16) & 0xFF);
+                s->bpp = (off & 0xFF) + ((off >> 8) & 0xFF) + ((off >> 16) & 0xFF) + ((off >> 24) & 0xFF);
                 break;
             case TIFF_SHORT:
             case TIFF_LONG:
-                s->bpp = tget(&buf, type, s->le) + tget(&buf, type, s->le) + tget(&buf, type, s->le);
+                s->bpp = 0;
+                for(i = 0; i < count; i++) s->bpp += tget(&buf, type, s->le);
                 break;
             default:
                 s->bpp = -1;