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100l, the compression field in lcl extradata must be interpreted as

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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
This commit is contained in:
Reimar Döffinger
2009-05-31 10:50:54 +00:00
parent e4f141ad60
commit 0b99764459
1 changed files with 1 additions and 1 deletions
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libavcodec/lcldec.c
+1 -1
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@@ -512,7 +512,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
} }
/* Detect compression method */ /* Detect compression method */
c->compression = avctx->extradata[5]; c->compression = (int8_t)avctx->extradata[5];
switch (avctx->codec_id) { switch (avctx->codec_id) {
case CODEC_ID_MSZH: case CODEC_ID_MSZH:
switch (c->compression) { switch (c->compression) {