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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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✓✓ |
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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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✓✗ |
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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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✓✗ |
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if (sides & EDGE_TOP) { |
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✓✓ |
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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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✓✗ |
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if (sides & EDGE_BOTTOM) { |
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✓✓ |
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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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✓✓ |
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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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✗✓ |
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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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✓✓ |
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if (INLINE_MMX(cpu_flags)) { |
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✗✓ |
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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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✓✗ |
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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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✗✓ |
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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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✓✓ |
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if (INLINE_SSSE3(cpu_flags)) { |
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✗✓ |
1 |
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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} |