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/*
* 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"
/* 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 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;
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;
#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;
#endif
#if HAVE_SSSE3_INLINE
if (INLINE_SSSE3(cpu_flags))
s->dct_quantize = dct_quantize_SSSE3;
#endif
}
}
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