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100l, the compression field in lcl extradata must be interpreted as
author
Reimar Döffinger
<Reimar.Doeffinger@gmx.de>
Sun, 31 May 2009 10:50:54 +0000
(10:50 +0000)
committer
Reimar Döffinger
<Reimar.Doeffinger@gmx.de>
Sun, 31 May 2009 10:50:54 +0000
(10:50 +0000)
int8_t, not uint8_t to allow -1 for "no compression".
The original code worked, but only when char was signed.
Originally committed as revision 19056 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/lcldec.c
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diff --git
a/libavcodec/lcldec.c
b/libavcodec/lcldec.c
index
5225ff0
..
c4b8146
100644
(file)
--- a/
libavcodec/lcldec.c
+++ b/
libavcodec/lcldec.c
@@
-512,7
+512,7
@@
static av_cold int decode_init(AVCodecContext *avctx)
}
/* Detect compression method */
- c->compression = avctx->extradata[5];
+ c->compression =
(int8_t)
avctx->extradata[5];
switch (avctx->codec_id) {
case CODEC_ID_MSZH:
switch (c->compression) {