| /* |
| * The simplest mpeg encoder (well, it was the simplest!) |
| * Copyright (c) 2000,2001 Fabrice Bellard |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; 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" |
| #include "dsputil_x86.h" |
| |
| extern uint16_t ff_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 RENAMEl(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 RENAMEl |
| #define RENAME(a) a ## _MMXEXT |
| #define RENAMEl(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 RENAMEl |
| #define RENAME(a) a ## _SSE2 |
| #define RENAMEl(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 RENAMEl |
| #define RENAME(a) a ## _SSSE3 |
| #define RENAMEl(a) a ## _sse2 |
| #include "mpegvideoenc_template.c" |
| #endif /* HAVE_SSSE3_INLINE */ |
| |
| av_cold void ff_dct_encode_init_x86(MpegEncContext *s) |
| { |
| const int dct_algo = s->avctx->dct_algo; |
| |
| if (dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX) { |
| #if HAVE_MMX_INLINE |
| int mm_flags = av_get_cpu_flags(); |
| if (INLINE_MMX(mm_flags)) |
| s->dct_quantize = dct_quantize_MMX; |
| #endif |
| #if HAVE_MMXEXT_INLINE |
| if (INLINE_MMXEXT(mm_flags)) |
| s->dct_quantize = dct_quantize_MMXEXT; |
| #endif |
| #if HAVE_SSE2_INLINE |
| if (INLINE_SSE2(mm_flags)) |
| s->dct_quantize = dct_quantize_SSE2; |
| #endif |
| #if HAVE_SSSE3_INLINE |
| if (INLINE_SSSE3(mm_flags)) |
| s->dct_quantize = dct_quantize_SSSE3; |
| #endif |
| } |
| } |