mirror of
https://github.com/FFmpeg/FFmpeg.git
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130 lines
4.9 KiB
C
130 lines
4.9 KiB
C
/*
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* Copyright (c) 2009 David Conrad <lessen42@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavutil/x86/asm.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/vp3dsp.h"
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#include "config.h"
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void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
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void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
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void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block);
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void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block);
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void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
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int16_t *block);
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void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride,
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int *bounding_values);
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void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride,
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int *bounding_values);
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#if HAVE_MMX_INLINE
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#define MOVQ_BFE(regd) \
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__asm__ volatile ( \
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"pcmpeqd %%"#regd", %%"#regd" \n\t" \
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"paddb %%"#regd", %%"#regd" \n\t" ::)
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#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
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"movq "#rega", "#regr" \n\t" \
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"movq "#regc", "#regp" \n\t" \
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"pand "#regb", "#regr" \n\t" \
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"pand "#regd", "#regp" \n\t" \
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"pxor "#rega", "#regb" \n\t" \
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"pxor "#regc", "#regd" \n\t" \
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"pand %%mm6, "#regb" \n\t" \
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"pand %%mm6, "#regd" \n\t" \
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"psrlq $1, "#regb" \n\t" \
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"psrlq $1, "#regd" \n\t" \
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"paddb "#regb", "#regr" \n\t" \
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"paddb "#regd", "#regp" \n\t"
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#if HAVE_6REGS
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static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h)
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{
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// START_TIMER
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MOVQ_BFE(mm6);
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__asm__ volatile(
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"1: \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq (%2), %%mm1 \n\t"
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"movq (%1,%4), %%mm2 \n\t"
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"movq (%2,%4), %%mm3 \n\t"
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PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
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"movq %%mm4, (%3) \n\t"
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"movq %%mm5, (%3,%4) \n\t"
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"movq (%1,%4,2), %%mm0 \n\t"
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"movq (%2,%4,2), %%mm1 \n\t"
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"movq (%1,%5), %%mm2 \n\t"
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"movq (%2,%5), %%mm3 \n\t"
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"lea (%1,%4,4), %1 \n\t"
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"lea (%2,%4,4), %2 \n\t"
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PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
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"movq %%mm4, (%3,%4,2) \n\t"
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"movq %%mm5, (%3,%5) \n\t"
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"lea (%3,%4,4), %3 \n\t"
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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:"+r"(h), "+r"(a), "+r"(b), "+r"(dst)
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:"r"((x86_reg)stride), "r"((x86_reg)3L*stride)
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:"memory");
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// STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx")
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}
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#endif /*HAVE_6REGS */
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#endif /* HAVE_MMX_INLINE */
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av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
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{
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int cpu_flags = av_get_cpu_flags();
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#if HAVE_6REGS && HAVE_MMX_INLINE
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c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx;
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#endif /* HAVE_6REGS && HAVE_MMX_INLINE */
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#if ARCH_X86_32
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if (EXTERNAL_MMX(cpu_flags)) {
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c->idct_put = ff_vp3_idct_put_mmx;
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c->idct_add = ff_vp3_idct_add_mmx;
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}
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#endif
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if (EXTERNAL_MMXEXT(cpu_flags)) {
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c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
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if (!(flags & CODEC_FLAG_BITEXACT)) {
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c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
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c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
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}
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->idct_put = ff_vp3_idct_put_sse2;
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c->idct_add = ff_vp3_idct_add_sse2;
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}
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}
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