[FFmpeg-cvslog] avcodec/gif: use the whole allocated buffer

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Aug 14 22:51:06 2013 +0200| [796b20fa1cef691f2a74215b5a33b722c307d21f] | committer: Michael Niedermayer

avcodec/gif: use the whole allocated buffer

Fixes some gif encoding failures

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=796b20fa1cef691f2a74215b5a33b722c307d21f
---

 libavcodec/gif.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/gif.c b/libavcodec/gif.c
index bfe91ca..bd14c13 100644
--- a/libavcodec/gif.c
+++ b/libavcodec/gif.c
@@ -168,7 +168,7 @@ static int gif_image_write_image(AVCodecContext *avctx,
 
     bytestream_put_byte(bytestream, 0x08);
 
-    ff_lzw_encode_init(s->lzw, s->buf, width * height,
+    ff_lzw_encode_init(s->lzw, s->buf, 2 * width * height,
                        12, FF_LZW_GIF, put_bits);
 
     ptr = buf + y_start*linesize + x_start;