LCOV - code coverage report
Current view: top level - libavcodec/x86 - synth_filter_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 12 100.0 %
Date: 2017-12-17 23:02:56 Functions: 4 4 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #include "libavutil/attributes.h"
      22             : #include "libavutil/cpu.h"
      23             : #include "libavutil/x86/cpu.h"
      24             : #include "libavcodec/synth_filter.h"
      25             : 
      26             : #define SYNTH_FILTER_FUNC(opt)                                                 \
      27             : void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32],   \
      28             :                                  const float window[512],                      \
      29             :                                  float out[32], intptr_t offset, float scale); \
      30             : static void synth_filter_##opt(FFTContext *imdct,                              \
      31             :                                float *synth_buf_ptr, int *synth_buf_offset,    \
      32             :                                float synth_buf2[32], const float window[512],  \
      33             :                                float out[32], const float in[32], float scale) \
      34             : {                                                                              \
      35             :     float *synth_buf= synth_buf_ptr + *synth_buf_offset;                       \
      36             :                                                                                \
      37             :     imdct->imdct_half(imdct, synth_buf, in);                                   \
      38             :                                                                                \
      39             :     ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window,                 \
      40             :                                 out, *synth_buf_offset, scale);                \
      41             :                                                                                \
      42             :     *synth_buf_offset = (*synth_buf_offset - 32) & 511;                        \
      43             : }                                                                              \
      44             : 
      45             : #if HAVE_X86ASM
      46             : #if ARCH_X86_32
      47             : SYNTH_FILTER_FUNC(sse)
      48             : #endif
      49          40 : SYNTH_FILTER_FUNC(sse2)
      50          40 : SYNTH_FILTER_FUNC(avx)
      51          20 : SYNTH_FILTER_FUNC(fma3)
      52             : #endif /* HAVE_X86ASM */
      53             : 
      54         104 : av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
      55             : {
      56             : #if HAVE_X86ASM
      57         104 :     int cpu_flags = av_get_cpu_flags();
      58             : 
      59             : #if ARCH_X86_32
      60             :     if (EXTERNAL_SSE(cpu_flags)) {
      61             :         s->synth_filter_float = synth_filter_sse;
      62             :     }
      63             : #endif
      64         104 :     if (EXTERNAL_SSE2(cpu_flags)) {
      65           9 :         s->synth_filter_float = synth_filter_sse2;
      66             :     }
      67         104 :     if (EXTERNAL_AVX_FAST(cpu_flags)) {
      68           3 :         s->synth_filter_float = synth_filter_avx;
      69             :     }
      70         104 :     if (EXTERNAL_FMA3_FAST(cpu_flags)) {
      71           2 :         s->synth_filter_float = synth_filter_fma3;
      72             :     }
      73             : #endif /* HAVE_X86ASM */
      74         104 : }

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