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Make PNG produce correct 8-bit pictures
author
Kostya Shishkov
<kostya.shishkov@gmail.com>
Sat, 14 Oct 2006 12:23:54 +0000
(12:23 +0000)
committer
Kostya Shishkov
<kostya.shishkov@gmail.com>
Sat, 14 Oct 2006 12:23:54 +0000
(12:23 +0000)
Originally committed as revision 6689 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/png.c
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diff --git
a/libavcodec/png.c
b/libavcodec/png.c
index
0dd9eae
..
6d588c3
100644
(file)
--- a/
libavcodec/png.c
+++ b/
libavcodec/png.c
@@
-850,7
+850,7
@@
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
for(i = 0; i < 256; i++) {
v = palette[i];
alpha = v >> 24;
- if (alpha != 0xff)
+ if (alpha
&& alpha
!= 0xff)
has_alpha = 1;
*alpha_ptr++ = alpha;
ptr[0] = v >> 16;