diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/x86/ac3dsp_init.c | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/x86/ac3dsp_init.c')
| -rw-r--r-- | ffmpeg1/libavcodec/x86/ac3dsp_init.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/ffmpeg1/libavcodec/x86/ac3dsp_init.c b/ffmpeg1/libavcodec/x86/ac3dsp_init.c deleted file mode 100644 index e2a190e..0000000 --- a/ffmpeg1/libavcodec/x86/ac3dsp_init.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * x86-optimized AC-3 DSP utils - * Copyright (c) 2011 Justin Ruggles - * - * 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/mem.h" -#include "libavutil/x86/asm.h" -#include "libavutil/x86/cpu.h" -#include "dsputil_mmx.h" -#include "libavcodec/ac3.h" -#include "libavcodec/ac3dsp.h" - -extern void ff_ac3_exponent_min_mmx (uint8_t *exp, int num_reuse_blocks, int nb_coefs); -extern void ff_ac3_exponent_min_mmxext(uint8_t *exp, int num_reuse_blocks, int nb_coefs); -extern void ff_ac3_exponent_min_sse2 (uint8_t *exp, int num_reuse_blocks, int nb_coefs); - -extern int ff_ac3_max_msb_abs_int16_mmx (const int16_t *src, int len); -extern int ff_ac3_max_msb_abs_int16_mmxext(const int16_t *src, int len); -extern int ff_ac3_max_msb_abs_int16_sse2 (const int16_t *src, int len); -extern int ff_ac3_max_msb_abs_int16_ssse3(const int16_t *src, int len); - -extern void ff_ac3_lshift_int16_mmx (int16_t *src, unsigned int len, unsigned int shift); -extern void ff_ac3_lshift_int16_sse2(int16_t *src, unsigned int len, unsigned int shift); - -extern void ff_ac3_rshift_int32_mmx (int32_t *src, unsigned int len, unsigned int shift); -extern void ff_ac3_rshift_int32_sse2(int32_t *src, unsigned int len, unsigned int shift); - -extern void ff_float_to_fixed24_3dnow(int32_t *dst, const float *src, unsigned int len); -extern void ff_float_to_fixed24_sse (int32_t *dst, const float *src, unsigned int len); -extern void ff_float_to_fixed24_sse2 (int32_t *dst, const float *src, unsigned int len); - -extern int ff_ac3_compute_mantissa_size_sse2(uint16_t mant_cnt[6][16]); - -extern void ff_ac3_extract_exponents_3dnow(uint8_t *exp, int32_t *coef, int nb_coefs); -extern void ff_ac3_extract_exponents_sse2 (uint8_t *exp, int32_t *coef, int nb_coefs); -extern void ff_ac3_extract_exponents_ssse3(uint8_t *exp, int32_t *coef, int nb_coefs); - -#if ARCH_X86_32 && defined(__INTEL_COMPILER) -# undef HAVE_7REGS -# define HAVE_7REGS 0 -#endif - -#if HAVE_SSE_INLINE && HAVE_7REGS - -#define IF1(x) x -#define IF0(x) - -#define MIX5(mono, stereo) \ - __asm__ volatile ( \ - "movss 0(%1), %%xmm5 \n" \ - "movss 8(%1), %%xmm6 \n" \ - "movss 24(%1), %%xmm7 \n" \ - "shufps $0, %%xmm5, %%xmm5 \n" \ - "shufps $0, %%xmm6, %%xmm6 \n" \ - "shufps $0, %%xmm7, %%xmm7 \n" \ - "1: \n" \ - "movaps (%0, %2), %%xmm0 \n" \ - "movaps (%0, %3), %%xmm1 \n" \ - "movaps (%0, %4), %%xmm2 \n" \ - "movaps (%0, %5), %%xmm3 \n" \ - "movaps (%0, %6), %%xmm4 \n" \ - "mulps %%xmm5, %%xmm0 \n" \ - "mulps %%xmm6, %%xmm1 \n" \ - "mulps %%xmm5, %%xmm2 \n" \ - "mulps %%xmm7, %%xmm3 \n" \ - "mulps %%xmm7, %%xmm4 \n" \ - stereo("addps %%xmm1, %%xmm0 \n") \ - "addps %%xmm1, %%xmm2 \n" \ - "addps %%xmm3, %%xmm0 \n" \ - "addps %%xmm4, %%xmm2 \n" \ - mono("addps %%xmm2, %%xmm0 \n") \ - "movaps %%xmm0, (%0, %2) \n" \ - stereo("movaps %%xmm2, (%0, %3) \n") \ - "add $16, %0 \n" \ - "jl 1b \n" \ - : "+&r"(i) \ - : "r"(matrix), \ - "r"(samples[0] + len), \ - "r"(samples[1] + len), \ - "r"(samples[2] + len), \ - "r"(samples[3] + len), \ - "r"(samples[4] + len) \ - : XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", \ - "%xmm4", "%xmm5", "%xmm6", "%xmm7",) \ - "memory" \ - ); - -#define MIX_MISC(stereo) \ - __asm__ volatile ( \ - "mov %5, %2 \n" \ - "1: \n" \ - "mov -%c7(%6, %2, %c8), %3 \n" \ - "movaps (%3, %0), %%xmm0 \n" \ - stereo("movaps %%xmm0, %%xmm1 \n") \ - "mulps %%xmm4, %%xmm0 \n" \ - stereo("mulps %%xmm5, %%xmm1 \n") \ - "2: \n" \ - "mov (%6, %2, %c8), %1 \n" \ - "movaps (%1, %0), %%xmm2 \n" \ - stereo("movaps %%xmm2, %%xmm3 \n") \ - "mulps (%4, %2, 8), %%xmm2 \n" \ - stereo("mulps 16(%4, %2, 8), %%xmm3 \n") \ - "addps %%xmm2, %%xmm0 \n" \ - stereo("addps %%xmm3, %%xmm1 \n") \ - "add $4, %2 \n" \ - "jl 2b \n" \ - "mov %5, %2 \n" \ - stereo("mov (%6, %2, %c8), %1 \n") \ - "movaps %%xmm0, (%3, %0) \n" \ - stereo("movaps %%xmm1, (%1, %0) \n") \ - "add $16, %0 \n" \ - "jl 1b \n" \ - : "+&r"(i), "=&r"(j), "=&r"(k), "=&r"(m) \ - : "r"(matrix_simd + in_ch), \ - "g"((intptr_t) - 4 * (in_ch - 1)), \ - "r"(samp + in_ch), \ - "i"(sizeof(float *)), "i"(sizeof(float *)/4) \ - : "memory" \ - ); - -static void ac3_downmix_sse(float **samples, float (*matrix)[2], - int out_ch, int in_ch, int len) -{ - int (*matrix_cmp)[2] = (int(*)[2])matrix; - intptr_t i, j, k, m; - - i = -len * sizeof(float); - if (in_ch == 5 && out_ch == 2 && - !(matrix_cmp[0][1] | matrix_cmp[2][0] | - matrix_cmp[3][1] | matrix_cmp[4][0] | - (matrix_cmp[1][0] ^ matrix_cmp[1][1]) | - (matrix_cmp[0][0] ^ matrix_cmp[2][1]))) { - MIX5(IF0, IF1); - } else if (in_ch == 5 && out_ch == 1 && - matrix_cmp[0][0] == matrix_cmp[2][0] && - matrix_cmp[3][0] == matrix_cmp[4][0]) { - MIX5(IF1, IF0); - } else { - DECLARE_ALIGNED(16, float, matrix_simd)[AC3_MAX_CHANNELS][2][4]; - float *samp[AC3_MAX_CHANNELS]; - - for (j = 0; j < in_ch; j++) - samp[j] = samples[j] + len; - - j = 2 * in_ch * sizeof(float); - __asm__ volatile ( - "1: \n" - "sub $8, %0 \n" - "movss (%2, %0), %%xmm4 \n" - "movss 4(%2, %0), %%xmm5 \n" - "shufps $0, %%xmm4, %%xmm4 \n" - "shufps $0, %%xmm5, %%xmm5 \n" - "movaps %%xmm4, (%1, %0, 4) \n" - "movaps %%xmm5, 16(%1, %0, 4) \n" - "jg 1b \n" - : "+&r"(j) - : "r"(matrix_simd), "r"(matrix) - : "memory" - ); - if (out_ch == 2) { - MIX_MISC(IF1); - } else { - MIX_MISC(IF0); - } - } -} - -#endif /* HAVE_SSE_INLINE && HAVE_7REGS */ - -av_cold void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact) -{ - int mm_flags = av_get_cpu_flags(); - - if (EXTERNAL_MMX(mm_flags)) { - c->ac3_exponent_min = ff_ac3_exponent_min_mmx; - c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmx; - c->ac3_lshift_int16 = ff_ac3_lshift_int16_mmx; - c->ac3_rshift_int32 = ff_ac3_rshift_int32_mmx; - } - if (EXTERNAL_AMD3DNOW(mm_flags)) { - c->extract_exponents = ff_ac3_extract_exponents_3dnow; - if (!bit_exact) { - c->float_to_fixed24 = ff_float_to_fixed24_3dnow; - } - } - if (EXTERNAL_MMXEXT(mm_flags)) { - c->ac3_exponent_min = ff_ac3_exponent_min_mmxext; - c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_mmxext; - } - if (EXTERNAL_SSE(mm_flags)) { - c->float_to_fixed24 = ff_float_to_fixed24_sse; - } - if (EXTERNAL_SSE2(mm_flags)) { - c->ac3_exponent_min = ff_ac3_exponent_min_sse2; - c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_sse2; - c->float_to_fixed24 = ff_float_to_fixed24_sse2; - c->compute_mantissa_size = ff_ac3_compute_mantissa_size_sse2; - c->extract_exponents = ff_ac3_extract_exponents_sse2; - if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) { - c->ac3_lshift_int16 = ff_ac3_lshift_int16_sse2; - c->ac3_rshift_int32 = ff_ac3_rshift_int32_sse2; - } - } - if (EXTERNAL_SSSE3(mm_flags)) { - c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_ssse3; - if (!(mm_flags & AV_CPU_FLAG_ATOM)) { - c->extract_exponents = ff_ac3_extract_exponents_ssse3; - } - } - -#if HAVE_SSE_INLINE && HAVE_7REGS - if (INLINE_SSE(mm_flags)) { - c->downmix = ac3_downmix_sse; - } -#endif -} |
