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https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
rename inverse -> ff_inverse
Originally committed as revision 6990 to svn://svn.ffmpeg.org/ffmpeg/trunk
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7e2447028c
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@ -93,7 +93,7 @@ const uint8_t ff_alternate_vertical_scan[64] = {
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};
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/* a*inverse[b]>>32 == a/b for all 0<=a<=65536 && 2<=b<=255 */
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const uint32_t inverse[256]={
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const uint32_t ff_inverse[256]={
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0, 4294967295U,2147483648U,1431655766, 1073741824, 858993460, 715827883, 613566757,
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536870912, 477218589, 429496730, 390451573, 357913942, 330382100, 306783379, 286331154,
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268435456, 252645136, 238609295, 226050911, 214748365, 204522253, 195225787, 186737709,
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@ -76,7 +76,7 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
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asm volatile (
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"mul %%ecx \n\t"
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: "=d" (level), "=a"(dummy)
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: "a" ((block[0]>>2) + q), "c" (inverse[q<<1])
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: "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1])
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);
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#else
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asm volatile (
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@ -675,7 +675,7 @@ static inline int msmpeg4_pred_dc(MpegEncContext * s, int n,
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"mull %4 \n\t"
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"movl %%edx, %2 \n\t"
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: "+b" (a), "+c" (b), "+D" (c)
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: "g" (scale), "S" (inverse[scale])
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: "g" (scale), "S" (ff_inverse[scale])
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: "%eax", "%edx"
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);
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#else
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@ -1438,7 +1438,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
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voffset=vr->begin;
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for(partition_count=0;partition_count<ptns_to_read;) { // SPEC error
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if (!pass) {
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uint_fast32_t inverse_class = inverse[vr->classifications];
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uint_fast32_t inverse_class = ff_inverse[vr->classifications];
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for(j_times_ptns_to_read=0, j=0;j<ch_used;++j) {
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if (!do_not_decode[j]) {
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uint_fast32_t temp=get_vlc2(gb, vc->codebooks[vr->classbook].vlc.table,
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@ -103,7 +103,7 @@
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# define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
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extern const uint32_t inverse[256];
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extern const uint32_t ff_inverse[256];
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#if defined(ARCH_X86)
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# define FASTDIV(a,b) \
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@ -112,7 +112,7 @@ extern const uint32_t inverse[256];
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asm volatile(\
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"mull %3"\
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:"=d"(ret),"=a"(dmy)\
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:"1"(a),"g"(inverse[b])\
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:"1"(a),"g"(ff_inverse[b])\
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);\
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ret;\
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})
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@ -123,12 +123,12 @@ extern const uint32_t inverse[256];
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asm volatile(\
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"umull %1, %0, %2, %3"\
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:"=&r"(ret),"=&r"(dmy)\
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:"r"(a),"r"(inverse[b])\
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:"r"(a),"r"(ff_inverse[b])\
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);\
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ret;\
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})
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#elif defined(CONFIG_FASTDIV)
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# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
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# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*ff_inverse[b])>>32))
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#else
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# define FASTDIV(a,b) ((a)/(b))
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#endif
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