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Avoid code duplication in xan_unpack for the final memcpy.

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Originally committed as revision 18608 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-04-18 17:26:00 +00:00
parent 7b7b19b620
commit f63f689e10
1 changed files with 6 additions and 5 deletions
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15
libavcodec/xan.c
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@ -157,17 +157,18 @@ static void xan_unpack(unsigned char *dest, const unsigned char *src, int dest_l
av_memcpy_backptr(dest, back, size2); av_memcpy_backptr(dest, back, size2);
dest += size2; dest += size2;
} else { } else {
int finish;
size = ((opcode & 0x1f) << 2) + 4; size = ((opcode & 0x1f) << 2) + 4;
if (size > 0x70) finish = size > 0x70;
break; if (finish)
memcpy(dest, src, size); dest += size; src += size;
}
}
size = opcode & 3; size = opcode & 3;
memcpy(dest, src, size); dest += size; src += size; memcpy(dest, src, size); dest += size; src += size;
if (finish)
return;
}
}
} }
static inline void xan_wc3_output_pixel_run(XanContext *s, static inline void xan_wc3_output_pixel_run(XanContext *s,