/* * The simplest mpeg encoder (well, it was the simplest!) * Copyright (c) 2000,2001 Fabrice Bellard * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/asm.h" #include "libavutil/x86/cpu.h" #include "libavcodec/avcodec.h" #include "libavcodec/dct.h" #include "libavcodec/mpegvideo.h" /* not permutated inverse zigzag_direct + 1 for MMX quantizer */ DECLARE_ALIGNED(16, static uint16_t, inv_zigzag_direct16)[64]; #if HAVE_MMX_INLINE #define COMPILE_TEMPLATE_MMXEXT 0 #define COMPILE_TEMPLATE_SSE2 0 #define COMPILE_TEMPLATE_SSSE3 0 #define RENAME(a) a ## _mmx #define RENAME_FDCT(a) a ## _mmx #include "mpegvideoenc_template.c" #endif /* HAVE_MMX_INLINE */ #if HAVE_MMXEXT_INLINE #undef COMPILE_TEMPLATE_SSSE3 #undef COMPILE_TEMPLATE_SSE2 #undef COMPILE_TEMPLATE_MMXEXT #define COMPILE_TEMPLATE_MMXEXT 1 #define COMPILE_TEMPLATE_SSE2 0 #define COMPILE_TEMPLATE_SSSE3 0 #undef RENAME #undef RENAME_FDCT #define RENAME(a) a ## _mmxext #define RENAME_FDCT(a) a ## _mmxext #include "mpegvideoenc_template.c" #endif /* HAVE_MMXEXT_INLINE */ #if HAVE_SSE2_INLINE #undef COMPILE_TEMPLATE_MMXEXT #undef COMPILE_TEMPLATE_SSE2 #undef COMPILE_TEMPLATE_SSSE3 #define COMPILE_TEMPLATE_MMXEXT 0 #define COMPILE_TEMPLATE_SSE2 1 #define COMPILE_TEMPLATE_SSSE3 0 #undef RENAME #undef RENAME_FDCT #define RENAME(a) a ## _sse2 #define RENAME_FDCT(a) a ## _sse2 #include "mpegvideoenc_template.c" #endif /* HAVE_SSE2_INLINE */ #if HAVE_SSSE3_INLINE #undef COMPILE_TEMPLATE_MMXEXT #undef COMPILE_TEMPLATE_SSE2 #undef COMPILE_TEMPLATE_SSSE3 #define COMPILE_TEMPLATE_MMXEXT 0 #define COMPILE_TEMPLATE_SSE2 1 #define COMPILE_TEMPLATE_SSSE3 1 #undef RENAME #undef RENAME_FDCT #define RENAME(a) a ## _ssse3 #define RENAME_FDCT(a) a ## _sse2 #include "mpegvideoenc_template.c" #endif /* HAVE_SSSE3_INLINE */ #if HAVE_INLINE_ASM static void denoise_dct_mmx(MpegEncContext *s, int16_t *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, int16_t *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) XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7") ); } #endif /* HAVE_INLINE_ASM */ av_cold void ff_MPV_encode_init_x86(MpegEncContext *s) { const int dct_algo = s->avctx->dct_algo; int i; for (i = 0; i < 64; i++) inv_zigzag_direct16[ff_zigzag_direct[i]] = i + 1; if (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX) { #if HAVE_MMX_INLINE int cpu_flags = av_get_cpu_flags(); if (INLINE_MMX(cpu_flags)) { s->dct_quantize = dct_quantize_mmx; s->denoise_dct = denoise_dct_mmx; } #endif #if HAVE_MMXEXT_INLINE if (INLINE_MMXEXT(cpu_flags)) s->dct_quantize = dct_quantize_mmxext; #endif #if HAVE_SSE2_INLINE if (INLINE_SSE2(cpu_flags)) { s->dct_quantize = dct_quantize_sse2; s->denoise_dct = denoise_dct_sse2; } #endif #if HAVE_SSSE3_INLINE if (INLINE_SSSE3(cpu_flags)) s->dct_quantize = dct_quantize_ssse3; #endif } }