LCOV - code coverage report
Current view: top level - src/libavfilter/x86 - af_volume_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 7 18 38.9 %
Date: 2017-01-19 23:52:33 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * This file is part of FFmpeg.
       3             :  *
       4             :  * FFmpeg is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Lesser General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2.1 of the License, or (at your option) any later version.
       8             :  *
       9             :  * FFmpeg is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Lesser General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public
      15             :  * License along with FFmpeg; if not, write to the Free Software
      16             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      17             :  */
      18             : 
      19             : #include "config.h"
      20             : #include "libavutil/attributes.h"
      21             : #include "libavutil/cpu.h"
      22             : #include "libavutil/samplefmt.h"
      23             : #include "libavutil/x86/cpu.h"
      24             : #include "libavfilter/af_volume.h"
      25             : 
      26             : void ff_scale_samples_s16_sse2(uint8_t *dst, const uint8_t *src, int len,
      27             :                                int volume);
      28             : 
      29             : void ff_scale_samples_s32_sse2(uint8_t *dst, const uint8_t *src, int len,
      30             :                                int volume);
      31             : void ff_scale_samples_s32_ssse3_atom(uint8_t *dst, const uint8_t *src, int len,
      32             :                                      int volume);
      33             : void ff_scale_samples_s32_avx(uint8_t *dst, const uint8_t *src, int len,
      34             :                               int volume);
      35             : 
      36           2 : av_cold void ff_volume_init_x86(VolumeContext *vol)
      37             : {
      38           2 :     int cpu_flags = av_get_cpu_flags();
      39           2 :     enum AVSampleFormat sample_fmt = av_get_packed_sample_fmt(vol->sample_fmt);
      40             : 
      41           2 :     if (sample_fmt == AV_SAMPLE_FMT_S16) {
      42           1 :         if (EXTERNAL_SSE2(cpu_flags) && vol->volume_i < 32768) {
      43           0 :             vol->scale_samples = ff_scale_samples_s16_sse2;
      44           0 :             vol->samples_align = 8;
      45             :         }
      46           1 :     } else if (sample_fmt == AV_SAMPLE_FMT_S32) {
      47           0 :         if (EXTERNAL_SSE2(cpu_flags)) {
      48           0 :             vol->scale_samples = ff_scale_samples_s32_sse2;
      49           0 :             vol->samples_align = 4;
      50             :         }
      51           0 :         if (EXTERNAL_SSSE3(cpu_flags) && cpu_flags & AV_CPU_FLAG_ATOM) {
      52           0 :             vol->scale_samples = ff_scale_samples_s32_ssse3_atom;
      53           0 :             vol->samples_align = 4;
      54             :         }
      55           0 :         if (EXTERNAL_AVX_FAST(cpu_flags)) {
      56           0 :             vol->scale_samples = ff_scale_samples_s32_avx;
      57           0 :             vol->samples_align = 8;
      58             :         }
      59             :     }
      60           2 : }

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