?? mpegvideo_mmx.c
字號:
"movq -8(%0, %2), %%mm1 \n\t" "punpckhbw %%mm1, %%mm1 \n\t" "punpckhwd %%mm1, %%mm1 \n\t" "punpckhdq %%mm1, %%mm1 \n\t" "movq %%mm1, (%0, %2) \n\t" "add %1, %0 \n\t" "cmp %3, %0 \n\t" " jb 1b \n\t" : "+r" (ptr) : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height) ); } else { asm volatile( "1: \n\t" "movd (%0), %%mm0 \n\t" "punpcklbw %%mm0, %%mm0 \n\t" "punpcklwd %%mm0, %%mm0 \n\t" "punpckldq %%mm0, %%mm0 \n\t" "movq %%mm0, -8(%0) \n\t" "movq %%mm0, -16(%0) \n\t" "movq -8(%0, %2), %%mm1 \n\t" "punpckhbw %%mm1, %%mm1 \n\t" "punpckhwd %%mm1, %%mm1 \n\t" "punpckhdq %%mm1, %%mm1 \n\t" "movq %%mm1, (%0, %2) \n\t" "movq %%mm1, 8(%0, %2) \n\t" "add %1, %0 \n\t" "cmp %3, %0 \n\t" " jb 1b \n\t" : "+r" (ptr) : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height) ); } for(i=0;i<w;i+=4) { /* top and bottom (and hopefully also the corners) */ ptr= buf - (i + 1) * wrap - w; asm volatile( "1: \n\t" "movq (%1, %0), %%mm0 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm0, (%0, %2) \n\t" "movq %%mm0, (%0, %2, 2) \n\t" "movq %%mm0, (%0, %3) \n\t" "add $8, %0 \n\t" "cmp %4, %0 \n\t" " jb 1b \n\t" : "+r" (ptr) : "r" ((long)buf - (long)ptr - w), "r" ((long)-wrap), "r" ((long)-wrap*3), "r" (ptr+width+2*w) ); ptr= last_line + (i + 1) * wrap - w; asm volatile( "1: \n\t" "movq (%1, %0), %%mm0 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm0, (%0, %2) \n\t" "movq %%mm0, (%0, %2, 2) \n\t" "movq %%mm0, (%0, %3) \n\t" "add $8, %0 \n\t" "cmp %4, %0 \n\t" " jb 1b \n\t" : "+r" (ptr) : "r" ((long)last_line - (long)ptr - w), "r" ((long)wrap), "r" ((long)wrap*3), "r" (ptr+width+2*w) ); }}static void denoise_dct_mmx(MpegEncContext *s, DCTELEM *block){ const int intra= s->mb_intra; int *sum= s->dct_error_sum[intra]; uint16_t *offset= s->dct_offset[intra]; s->dct_count[intra]++; asm volatile( "pxor %%mm7, %%mm7 \n\t" "1: \n\t" "pxor %%mm0, %%mm0 \n\t" "pxor %%mm1, %%mm1 \n\t" "movq (%0), %%mm2 \n\t" "movq 8(%0), %%mm3 \n\t" "pcmpgtw %%mm2, %%mm0 \n\t" "pcmpgtw %%mm3, %%mm1 \n\t" "pxor %%mm0, %%mm2 \n\t" "pxor %%mm1, %%mm3 \n\t" "psubw %%mm0, %%mm2 \n\t" "psubw %%mm1, %%mm3 \n\t" "movq %%mm2, %%mm4 \n\t" "movq %%mm3, %%mm5 \n\t" "psubusw (%2), %%mm2 \n\t" "psubusw 8(%2), %%mm3 \n\t" "pxor %%mm0, %%mm2 \n\t" "pxor %%mm1, %%mm3 \n\t" "psubw %%mm0, %%mm2 \n\t" "psubw %%mm1, %%mm3 \n\t" "movq %%mm2, (%0) \n\t" "movq %%mm3, 8(%0) \n\t" "movq %%mm4, %%mm2 \n\t" "movq %%mm5, %%mm3 \n\t" "punpcklwd %%mm7, %%mm4 \n\t" "punpckhwd %%mm7, %%mm2 \n\t" "punpcklwd %%mm7, %%mm5 \n\t" "punpckhwd %%mm7, %%mm3 \n\t" "paddd (%1), %%mm4 \n\t" "paddd 8(%1), %%mm2 \n\t" "paddd 16(%1), %%mm5 \n\t" "paddd 24(%1), %%mm3 \n\t" "movq %%mm4, (%1) \n\t" "movq %%mm2, 8(%1) \n\t" "movq %%mm5, 16(%1) \n\t" "movq %%mm3, 24(%1) \n\t" "add $16, %0 \n\t" "add $32, %1 \n\t" "add $16, %2 \n\t" "cmp %3, %0 \n\t" " jb 1b \n\t" : "+r" (block), "+r" (sum), "+r" (offset) : "r"(block+64) );}static void denoise_dct_sse2(MpegEncContext *s, DCTELEM *block){ const int intra= s->mb_intra; int *sum= s->dct_error_sum[intra]; uint16_t *offset= s->dct_offset[intra]; s->dct_count[intra]++; asm volatile( "pxor %%xmm7, %%xmm7 \n\t" "1: \n\t" "pxor %%xmm0, %%xmm0 \n\t" "pxor %%xmm1, %%xmm1 \n\t" "movdqa (%0), %%xmm2 \n\t" "movdqa 16(%0), %%xmm3 \n\t" "pcmpgtw %%xmm2, %%xmm0 \n\t" "pcmpgtw %%xmm3, %%xmm1 \n\t" "pxor %%xmm0, %%xmm2 \n\t" "pxor %%xmm1, %%xmm3 \n\t" "psubw %%xmm0, %%xmm2 \n\t" "psubw %%xmm1, %%xmm3 \n\t" "movdqa %%xmm2, %%xmm4 \n\t" "movdqa %%xmm3, %%xmm5 \n\t" "psubusw (%2), %%xmm2 \n\t" "psubusw 16(%2), %%xmm3 \n\t" "pxor %%xmm0, %%xmm2 \n\t" "pxor %%xmm1, %%xmm3 \n\t" "psubw %%xmm0, %%xmm2 \n\t" "psubw %%xmm1, %%xmm3 \n\t" "movdqa %%xmm2, (%0) \n\t" "movdqa %%xmm3, 16(%0) \n\t" "movdqa %%xmm4, %%xmm6 \n\t" "movdqa %%xmm5, %%xmm0 \n\t" "punpcklwd %%xmm7, %%xmm4 \n\t" "punpckhwd %%xmm7, %%xmm6 \n\t" "punpcklwd %%xmm7, %%xmm5 \n\t" "punpckhwd %%xmm7, %%xmm0 \n\t" "paddd (%1), %%xmm4 \n\t" "paddd 16(%1), %%xmm6 \n\t" "paddd 32(%1), %%xmm5 \n\t" "paddd 48(%1), %%xmm0 \n\t" "movdqa %%xmm4, (%1) \n\t" "movdqa %%xmm6, 16(%1) \n\t" "movdqa %%xmm5, 32(%1) \n\t" "movdqa %%xmm0, 48(%1) \n\t" "add $32, %0 \n\t" "add $64, %1 \n\t" "add $32, %2 \n\t" "cmp %3, %0 \n\t" " jb 1b \n\t" : "+r" (block), "+r" (sum), "+r" (offset) : "r"(block+64) );}#ifdef HAVE_SSSE3#define HAVE_SSSE3_BAK#endif#undef HAVE_SSSE3#undef HAVE_SSE2#undef HAVE_MMX2#define RENAME(a) a ## _MMX#define RENAMEl(a) a ## _mmx#include "mpegvideo_mmx_template.c"#define HAVE_MMX2#undef RENAME#undef RENAMEl#define RENAME(a) a ## _MMX2#define RENAMEl(a) a ## _mmx2#include "mpegvideo_mmx_template.c"#define HAVE_SSE2#undef RENAME#undef RENAMEl#define RENAME(a) a ## _SSE2#define RENAMEl(a) a ## _sse2#include "mpegvideo_mmx_template.c"#ifdef HAVE_SSSE3_BAK#define HAVE_SSSE3#undef RENAME#undef RENAMEl#define RENAME(a) a ## _SSSE3#define RENAMEl(a) a ## _sse2#include "mpegvideo_mmx_template.c"#endifvoid MPV_common_init_mmx(MpegEncContext *s){ if (mm_flags & MM_MMX) { const int dct_algo = s->avctx->dct_algo; s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_mmx; s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_mmx; s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_mmx; s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_mmx; if(!(s->flags & CODEC_FLAG_BITEXACT)) s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx; s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx; draw_edges = draw_edges_mmx; if (mm_flags & MM_SSE2) { s->denoise_dct= denoise_dct_sse2; } else { s->denoise_dct= denoise_dct_mmx; } if(dct_algo==FF_DCT_AUTO || dct_algo==FF_DCT_MMX){#ifdef HAVE_SSSE3 if(mm_flags & MM_SSSE3){ s->dct_quantize= dct_quantize_SSSE3; } else#endif if(mm_flags & MM_SSE2){ s->dct_quantize= dct_quantize_SSE2; } else if(mm_flags & MM_MMXEXT){ s->dct_quantize= dct_quantize_MMX2; } else { s->dct_quantize= dct_quantize_MMX; } } }}?? 快捷鍵說明
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