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/*
* Copyright (c) 2009 David Conrad <lessen42@gmail.com>
*
* 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 <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/vp3dsp.h"
#include "config.h"
void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, DCTELEM *block);
void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
DCTELEM *block);
void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride,
int *bounding_values);
void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride,
int *bounding_values);
#if HAVE_INLINE_ASM
#define MOVQ_BFE(regd) \
__asm__ volatile ( \
"pcmpeqd %%"#regd", %%"#regd" \n\t" \
"paddb %%"#regd", %%"#regd" \n\t" ::)
#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
"movq "#rega", "#regr" \n\t" \
"movq "#regc", "#regp" \n\t" \
"pand "#regb", "#regr" \n\t" \
"pand "#regd", "#regp" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pxor "#regc", "#regd" \n\t" \
"pand %%mm6, "#regb" \n\t" \
"pand %%mm6, "#regd" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psrlq $1, "#regd" \n\t" \
"paddb "#regb", "#regr" \n\t" \
"paddb "#regd", "#regp" \n\t"
static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, int stride, int h)
{
// START_TIMER
MOVQ_BFE(mm6);
__asm__ volatile(
"1: \n\t"
"movq (%1), %%mm0 \n\t"
"movq (%2), %%mm1 \n\t"
"movq (%1,%4), %%mm2 \n\t"
"movq (%2,%4), %%mm3 \n\t"
PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
"movq %%mm4, (%3) \n\t"
"movq %%mm5, (%3,%4) \n\t"
"movq (%1,%4,2), %%mm0 \n\t"
"movq (%2,%4,2), %%mm1 \n\t"
"movq (%1,%5), %%mm2 \n\t"
"movq (%2,%5), %%mm3 \n\t"
"lea (%1,%4,4), %1 \n\t"
"lea (%2,%4,4), %2 \n\t"
PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
"movq %%mm4, (%3,%4,2) \n\t"
"movq %%mm5, (%3,%5) \n\t"
"lea (%3,%4,4), %3 \n\t"
"subl $4, %0 \n\t"
"jnz 1b \n\t"
:"+r"(h), "+r"(a), "+r"(b), "+r"(dst)
:"r"((x86_reg)stride), "r"((x86_reg)3L*stride)
:"memory");
// STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx")
}
#endif /* HAVE_INLINE_ASM */
av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
{
int cpuflags = av_get_cpu_flags();
#if HAVE_INLINE_ASM
c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx;
#endif /* HAVE_INLINE_ASM */
#if ARCH_X86_32
if (EXTERNAL_MMX(cpuflags)) {
c->idct_put = ff_vp3_idct_put_mmx;
c->idct_add = ff_vp3_idct_add_mmx;
c->idct_perm = FF_PARTTRANS_IDCT_PERM;
}
#endif
if (EXTERNAL_MMXEXT(cpuflags)) {
c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
if (!(flags & CODEC_FLAG_BITEXACT)) {
c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
}
}
if (EXTERNAL_SSE2(cpuflags)) {
c->idct_put = ff_vp3_idct_put_sse2;
c->idct_add = ff_vp3_idct_add_sse2;
c->idct_perm = FF_TRANSPOSE_IDCT_PERM;
}
}
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