simplify loop a little
Originally committed as revision 5255 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1281,16 +1281,14 @@ static int decode_block(MJpegDecodeContext *s, DCTELEM *block,
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/* EOB */
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if (code == 0x10)
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break;
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if (code == 0x100) {
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i += 16;
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} else {
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i += ((unsigned)code) >> 4;
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i += ((unsigned)code) >> 4;
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if(code != 0x100){
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code &= 0xf;
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if(code > MIN_CACHE_BITS - 16){
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UPDATE_CACHE(re, &s->gb)
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}
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{
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int cache=GET_CACHE(re,gb);
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int cache=GET_CACHE(re,&s->gb);
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int sign=(~cache)>>31;
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level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign;
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}
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