273 lines
9.3 KiB
C
273 lines
9.3 KiB
C
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/avassert.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/mpegvideoencdsp.h"
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int ff_pix_sum16_mmx(uint8_t *pix, int line_size);
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int ff_pix_sum16_mmxext(uint8_t *pix, int line_size);
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int ff_pix_sum16_sse2(uint8_t *pix, int line_size);
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int ff_pix_sum16_xop(uint8_t *pix, int line_size);
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int ff_pix_norm1_mmx(uint8_t *pix, int line_size);
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int ff_pix_norm1_sse2(uint8_t *pix, int line_size);
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#if HAVE_INLINE_ASM
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#define PHADDD(a, t) \
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"movq " #a ", " #t " \n\t" \
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"psrlq $32, " #a " \n\t" \
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"paddd " #t ", " #a " \n\t"
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/*
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* pmulhw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15])[16 - 31]
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* pmulhrw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x8000)[16 - 31]
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* pmulhrsw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x4000)[15 - 30]
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*/
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#define PMULHRW(x, y, s, o) \
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"pmulhw " #s ", " #x " \n\t" \
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"pmulhw " #s ", " #y " \n\t" \
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"paddw " #o ", " #x " \n\t" \
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"paddw " #o ", " #y " \n\t" \
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"psraw $1, " #x " \n\t" \
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"psraw $1, " #y " \n\t"
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#define DEF(x) x ## _mmx
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#define SET_RND MOVQ_WONE
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#define SCALE_OFFSET 1
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#include "mpegvideoenc_qns_template.c"
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#undef DEF
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#undef SET_RND
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#undef SCALE_OFFSET
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#undef PMULHRW
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#define DEF(x) x ## _3dnow
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#define SET_RND(x)
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#define SCALE_OFFSET 0
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#define PMULHRW(x, y, s, o) \
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"pmulhrw " #s ", " #x " \n\t" \
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"pmulhrw " #s ", " #y " \n\t"
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#include "mpegvideoenc_qns_template.c"
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#undef DEF
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#undef SET_RND
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#undef SCALE_OFFSET
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#undef PMULHRW
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#if HAVE_SSSE3_INLINE
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#undef PHADDD
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#define DEF(x) x ## _ssse3
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#define SET_RND(x)
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#define SCALE_OFFSET -1
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#define PHADDD(a, t) \
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"pshufw $0x0E, " #a ", " #t " \n\t" \
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/* faster than phaddd on core2 */ \
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"paddd " #t ", " #a " \n\t"
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#define PMULHRW(x, y, s, o) \
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"pmulhrsw " #s ", " #x " \n\t" \
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"pmulhrsw " #s ", " #y " \n\t"
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#include "mpegvideoenc_qns_template.c"
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#undef DEF
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#undef SET_RND
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#undef SCALE_OFFSET
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#undef PMULHRW
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#undef PHADDD
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#endif /* HAVE_SSSE3_INLINE */
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/* Draw the edges of width 'w' of an image of size width, height
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* this MMX version can only handle w == 8 || w == 16. */
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static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
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int w, int h, int sides)
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{
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uint8_t *ptr, *last_line;
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int i;
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last_line = buf + (height - 1) * wrap;
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/* left and right */
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ptr = buf;
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if (w == 8) {
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__asm__ volatile (
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"1: \n\t"
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"movd (%0), %%mm0 \n\t"
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"punpcklbw %%mm0, %%mm0 \n\t"
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"punpcklwd %%mm0, %%mm0 \n\t"
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"punpckldq %%mm0, %%mm0 \n\t"
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"movq %%mm0, -8(%0) \n\t"
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"movq -8(%0, %2), %%mm1 \n\t"
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"punpckhbw %%mm1, %%mm1 \n\t"
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"punpckhwd %%mm1, %%mm1 \n\t"
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"punpckhdq %%mm1, %%mm1 \n\t"
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"movq %%mm1, (%0, %2) \n\t"
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"add %1, %0 \n\t"
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"cmp %3, %0 \n\t"
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"jb 1b \n\t"
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: "+r" (ptr)
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: "r" ((x86_reg) wrap), "r" ((x86_reg) width),
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"r" (ptr + wrap * height));
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} else if (w == 16) {
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__asm__ volatile (
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"1: \n\t"
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"movd (%0), %%mm0 \n\t"
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"punpcklbw %%mm0, %%mm0 \n\t"
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"punpcklwd %%mm0, %%mm0 \n\t"
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"punpckldq %%mm0, %%mm0 \n\t"
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"movq %%mm0, -8(%0) \n\t"
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"movq %%mm0, -16(%0) \n\t"
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"movq -8(%0, %2), %%mm1 \n\t"
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"punpckhbw %%mm1, %%mm1 \n\t"
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"punpckhwd %%mm1, %%mm1 \n\t"
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"punpckhdq %%mm1, %%mm1 \n\t"
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"movq %%mm1, (%0, %2) \n\t"
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"movq %%mm1, 8(%0, %2) \n\t"
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"add %1, %0 \n\t"
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"cmp %3, %0 \n\t"
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"jb 1b \n\t"
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: "+r"(ptr)
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: "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
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);
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} else {
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av_assert1(w == 4);
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__asm__ volatile (
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"1: \n\t"
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"movd (%0), %%mm0 \n\t"
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"punpcklbw %%mm0, %%mm0 \n\t"
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"punpcklwd %%mm0, %%mm0 \n\t"
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"movd %%mm0, -4(%0) \n\t"
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"movd -4(%0, %2), %%mm1 \n\t"
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"punpcklbw %%mm1, %%mm1 \n\t"
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"punpckhwd %%mm1, %%mm1 \n\t"
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"punpckhdq %%mm1, %%mm1 \n\t"
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"movd %%mm1, (%0, %2) \n\t"
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"add %1, %0 \n\t"
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"cmp %3, %0 \n\t"
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"jb 1b \n\t"
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: "+r" (ptr)
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: "r" ((x86_reg) wrap), "r" ((x86_reg) width),
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"r" (ptr + wrap * height));
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}
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/* top and bottom (and hopefully also the corners) */
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if (sides & EDGE_TOP) {
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for (i = 0; i < h; i += 4) {
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ptr = buf - (i + 1) * wrap - w;
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__asm__ volatile (
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"1: \n\t"
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"movq (%1, %0), %%mm0 \n\t"
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"movq %%mm0, (%0) \n\t"
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"movq %%mm0, (%0, %2) \n\t"
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"movq %%mm0, (%0, %2, 2) \n\t"
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"movq %%mm0, (%0, %3) \n\t"
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"add $8, %0 \n\t"
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"cmp %4, %0 \n\t"
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"jb 1b \n\t"
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: "+r" (ptr)
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: "r" ((x86_reg) buf - (x86_reg) ptr - w),
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"r" ((x86_reg) - wrap), "r" ((x86_reg) - wrap * 3),
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"r" (ptr + width + 2 * w));
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}
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}
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if (sides & EDGE_BOTTOM) {
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for (i = 0; i < h; i += 4) {
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ptr = last_line + (i + 1) * wrap - w;
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__asm__ volatile (
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"1: \n\t"
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"movq (%1, %0), %%mm0 \n\t"
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"movq %%mm0, (%0) \n\t"
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"movq %%mm0, (%0, %2) \n\t"
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"movq %%mm0, (%0, %2, 2) \n\t"
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"movq %%mm0, (%0, %3) \n\t"
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"add $8, %0 \n\t"
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"cmp %4, %0 \n\t"
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"jb 1b \n\t"
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: "+r" (ptr)
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: "r" ((x86_reg) last_line - (x86_reg) ptr - w),
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"r" ((x86_reg) wrap), "r" ((x86_reg) wrap * 3),
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"r" (ptr + width + 2 * w));
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}
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}
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}
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#endif /* HAVE_INLINE_ASM */
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av_cold void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c,
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AVCodecContext *avctx)
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{
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int cpu_flags = av_get_cpu_flags();
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#if ARCH_X86_32
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if (EXTERNAL_MMX(cpu_flags)) {
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c->pix_sum = ff_pix_sum16_mmx;
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c->pix_norm1 = ff_pix_norm1_mmx;
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}
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if (EXTERNAL_MMXEXT(cpu_flags)) {
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c->pix_sum = ff_pix_sum16_mmxext;
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}
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#endif
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->pix_sum = ff_pix_sum16_sse2;
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c->pix_norm1 = ff_pix_norm1_sse2;
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}
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if (EXTERNAL_XOP(cpu_flags)) {
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c->pix_sum = ff_pix_sum16_xop;
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}
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#if HAVE_INLINE_ASM
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if (INLINE_MMX(cpu_flags)) {
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if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
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c->try_8x8basis = try_8x8basis_mmx;
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}
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c->add_8x8basis = add_8x8basis_mmx;
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if (avctx->bits_per_raw_sample <= 8) {
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c->draw_edges = draw_edges_mmx;
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}
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}
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if (INLINE_AMD3DNOW(cpu_flags)) {
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if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
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c->try_8x8basis = try_8x8basis_3dnow;
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}
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c->add_8x8basis = add_8x8basis_3dnow;
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}
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#if HAVE_SSSE3_INLINE
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if (INLINE_SSSE3(cpu_flags)) {
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if (!(avctx->flags & AV_CODEC_FLAG_BITEXACT)) {
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c->try_8x8basis = try_8x8basis_ssse3;
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}
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c->add_8x8basis = add_8x8basis_ssse3;
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}
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#endif /* HAVE_SSSE3_INLINE */
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#endif /* HAVE_INLINE_ASM */
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}
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