| /* |
| * Copyright (c) 2014 James Almer |
| * |
| * 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 "libavcodec/flacdsp.h" |
| #include "libavutil/x86/cpu.h" |
| #include "config.h" |
| |
| void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order, |
| int qlevel, int len); |
| void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order, |
| int qlevel, int len); |
| |
| #define DECORRELATE_FUNCS(fmt, opt) \ |
| void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift); \ |
| void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift); \ |
| void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift) |
| |
| #define DECORRELATE_IFUNCS(fmt, opt) \ |
| void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift); \ |
| void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift); \ |
| void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift); \ |
| void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \ |
| int len, int shift) |
| |
| DECORRELATE_FUNCS(16, sse2); |
| DECORRELATE_FUNCS(16, avx); |
| DECORRELATE_FUNCS(32, sse2); |
| DECORRELATE_FUNCS(32, avx); |
| DECORRELATE_IFUNCS(16, ssse3); |
| DECORRELATE_IFUNCS(16, avx); |
| DECORRELATE_IFUNCS(32, ssse3); |
| DECORRELATE_IFUNCS(32, avx); |
| |
| av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels) |
| { |
| #if HAVE_X86ASM |
| int cpu_flags = av_get_cpu_flags(); |
| |
| if (EXTERNAL_SSE2(cpu_flags)) { |
| if (fmt == AV_SAMPLE_FMT_S16) { |
| c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2; |
| c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2; |
| c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2; |
| } else if (fmt == AV_SAMPLE_FMT_S32) { |
| c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2; |
| c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2; |
| c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2; |
| } |
| } |
| if (EXTERNAL_SSSE3(cpu_flags)) { |
| if (fmt == AV_SAMPLE_FMT_S16) { |
| if (channels == 2) |
| c->decorrelate[0] = ff_flac_decorrelate_indep2_16_ssse3; |
| else if (channels == 4) |
| c->decorrelate[0] = ff_flac_decorrelate_indep4_16_ssse3; |
| else if (channels == 6) |
| c->decorrelate[0] = ff_flac_decorrelate_indep6_16_ssse3; |
| else if (ARCH_X86_64 && channels == 8) |
| c->decorrelate[0] = ff_flac_decorrelate_indep8_16_ssse3; |
| } else if (fmt == AV_SAMPLE_FMT_S32) { |
| if (channels == 2) |
| c->decorrelate[0] = ff_flac_decorrelate_indep2_32_ssse3; |
| else if (channels == 4) |
| c->decorrelate[0] = ff_flac_decorrelate_indep4_32_ssse3; |
| else if (channels == 6) |
| c->decorrelate[0] = ff_flac_decorrelate_indep6_32_ssse3; |
| else if (ARCH_X86_64 && channels == 8) |
| c->decorrelate[0] = ff_flac_decorrelate_indep8_32_ssse3; |
| } |
| } |
| if (EXTERNAL_SSE4(cpu_flags)) { |
| c->lpc32 = ff_flac_lpc_32_sse4; |
| } |
| if (EXTERNAL_AVX(cpu_flags)) { |
| if (fmt == AV_SAMPLE_FMT_S16) { |
| if (ARCH_X86_64 && channels == 8) |
| c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx; |
| } else if (fmt == AV_SAMPLE_FMT_S32) { |
| if (channels == 4) |
| c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx; |
| else if (channels == 6) |
| c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx; |
| else if (ARCH_X86_64 && channels == 8) |
| c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx; |
| } |
| } |
| if (EXTERNAL_XOP(cpu_flags)) { |
| c->lpc32 = ff_flac_lpc_32_xop; |
| } |
| #endif /* HAVE_X86ASM */ |
| } |