yading@11: /* yading@11: * This file is part of libswresample. yading@11: * yading@11: * libswresample is free software; you can redistribute it and/or yading@11: * modify it under the terms of the GNU Lesser General Public yading@11: * License as published by the Free Software Foundation; either yading@11: * version 2.1 of the License, or (at your option) any later version. yading@11: * yading@11: * libswresample is distributed in the hope that it will be useful, yading@11: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@11: * Lesser General Public License for more details. yading@11: * yading@11: * You should have received a copy of the GNU Lesser General Public yading@11: * License along with libswresample; if not, write to the Free Software yading@11: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@11: */ yading@11: yading@11: #include yading@11: yading@11: #include "config.h" yading@11: #include "libavutil/attributes.h" yading@11: #include "libavutil/cpu.h" yading@11: #include "libavutil/arm/cpu.h" yading@11: #include "libavutil/samplefmt.h" yading@11: #include "libswresample/swresample_internal.h" yading@11: #include "libswresample/audioconvert.h" yading@11: yading@11: void swri_oldapi_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len); yading@11: void swri_oldapi_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels); yading@11: void swri_oldapi_conv_fltp_to_s16_nch_neon(int16_t *dst, float *const *src, int len, int channels); yading@11: yading@11: static void conv_flt_to_s16_neon(uint8_t **dst, const uint8_t **src, int len){ yading@11: swri_oldapi_conv_flt_to_s16_neon((int16_t*)*dst, (const float*)*src, len); yading@11: } yading@11: yading@11: static void conv_fltp_to_s16_2ch_neon(uint8_t **dst, const uint8_t **src, int len){ yading@11: swri_oldapi_conv_fltp_to_s16_2ch_neon((int16_t*)*dst, (float *const*)src, len, 2); yading@11: } yading@11: yading@11: static void conv_fltp_to_s16_nch_neon(uint8_t **dst, const uint8_t **src, int len){ yading@11: int channels; yading@11: for(channels=3; channelssimd_f= NULL; yading@11: yading@11: if (have_neon(cpu_flags)) { yading@11: if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP) yading@11: ac->simd_f = conv_flt_to_s16_neon; yading@11: if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels == 2) yading@11: ac->simd_f = conv_fltp_to_s16_2ch_neon; yading@11: if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels > 2) yading@11: ac->simd_f = conv_fltp_to_s16_nch_neon; yading@11: if(ac->simd_f) yading@11: ac->in_simd_align_mask = ac->out_simd_align_mask = 15; yading@11: } yading@11: }