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- /*
- * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
- #include "config.h"
- #include "libavutil/cpu.h"
- #include "libavresample/audio_convert.h"
-
- /* flat conversions */
-
- extern void ff_conv_s16_to_s32_sse2(int16_t *dst, const int32_t *src, int len);
-
- extern void ff_conv_s16_to_flt_sse2(float *dst, const int16_t *src, int len);
- extern void ff_conv_s16_to_flt_sse4(float *dst, const int16_t *src, int len);
-
- extern void ff_conv_s32_to_s16_mmx (int16_t *dst, const int32_t *src, int len);
- extern void ff_conv_s32_to_s16_sse2(int16_t *dst, const int32_t *src, int len);
-
- extern void ff_conv_s32_to_flt_sse2(float *dst, const int32_t *src, int len);
- extern void ff_conv_s32_to_flt_avx (float *dst, const int32_t *src, int len);
-
- extern void ff_conv_flt_to_s16_sse2(int16_t *dst, const float *src, int len);
-
- extern void ff_conv_flt_to_s32_sse2(int32_t *dst, const float *src, int len);
- extern void ff_conv_flt_to_s32_avx (int32_t *dst, const float *src, int len);
-
- /* interleave conversions */
-
- extern void ff_conv_s16p_to_s16_2ch_sse2(int16_t *dst, int16_t *const *src,
- int len, int channels);
- extern void ff_conv_s16p_to_s16_2ch_avx (int16_t *dst, int16_t *const *src,
- int len, int channels);
-
- extern void ff_conv_s16p_to_s16_6ch_sse2(int16_t *dst, int16_t *const *src,
- int len, int channels);
- extern void ff_conv_s16p_to_s16_6ch_sse2slow(int16_t *dst, int16_t *const *src,
- int len, int channels);
- extern void ff_conv_s16p_to_s16_6ch_avx (int16_t *dst, int16_t *const *src,
- int len, int channels);
-
- extern void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int len,
- int channels);
- extern void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len,
- int channels);
- extern void ff_conv_fltp_to_flt_6ch_avx (float *dst, float *const *src, int len,
- int channels);
-
- av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
- {
- #if HAVE_YASM
- int mm_flags = av_get_cpu_flags();
-
- if (mm_flags & AV_CPU_FLAG_MMX && HAVE_MMX) {
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
- 0, 1, 8, "MMX", ff_conv_s32_to_s16_mmx);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
- 6, 1, 4, "MMX", ff_conv_fltp_to_flt_6ch_mmx);
- }
- if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) {
- if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
- 0, 16, 16, "SSE2", ff_conv_s32_to_s16_sse2);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
- 6, 16, 8, "SSE2", ff_conv_s16p_to_s16_6ch_sse2);
- } else {
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
- 6, 1, 4, "SSE2SLOW", ff_conv_s16p_to_s16_6ch_sse2slow);
- }
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16,
- 0, 16, 8, "SSE2", ff_conv_s16_to_s32_sse2);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16,
- 0, 16, 8, "SSE2", ff_conv_s16_to_flt_sse2);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32,
- 0, 16, 8, "SSE2", ff_conv_s32_to_flt_sse2);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT,
- 0, 16, 16, "SSE2", ff_conv_flt_to_s16_sse2);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT,
- 0, 16, 16, "SSE2", ff_conv_flt_to_s32_sse2);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
- 2, 16, 16, "SSE2", ff_conv_s16p_to_s16_2ch_sse2);
- }
- if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) {
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16,
- 0, 16, 8, "SSE4", ff_conv_s16_to_flt_sse4);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
- 6, 16, 4, "SSE4", ff_conv_fltp_to_flt_6ch_sse4);
- }
- if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32,
- 0, 32, 16, "AVX", ff_conv_s32_to_flt_avx);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT,
- 0, 32, 32, "AVX", ff_conv_flt_to_s32_avx);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
- 2, 16, 16, "AVX", ff_conv_s16p_to_s16_2ch_avx);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
- 6, 16, 8, "AVX", ff_conv_s16p_to_s16_6ch_avx);
- ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
- 6, 16, 4, "AVX", ff_conv_fltp_to_flt_6ch_avx);
- }
- #endif
- }
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