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Slightly simplify detection of end of compressed data in xan_unpack

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Originally committed as revision 19772 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-09-05 19:14:44 +00:00
parent bb99108775
commit 64b8e620cb
1 changed files with 2 additions and 6 deletions
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8
libavcodec/xan.c
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@ -156,12 +156,8 @@ static void xan_unpack(unsigned char *dest, const unsigned char *src, int dest_l
av_memcpy_backptr(dest, back, size2);
dest += size2;
} else {
int finish;
size = ((opcode & 0x1f) << 2) + 4;
finish = size > 0x70;
if (finish)
size = opcode & 3;
int finish = opcode >= 0xfc;
size = finish ? opcode & 3 : ((opcode & 0x1f) << 2) + 4;
memcpy(dest, src, size); dest += size; src += size;
if (finish)