LCOV - code coverage report
Current view: top level - src/libavcodec/x86 - alacdsp_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 8 8 100.0 %
Date: 2017-01-21 09:32:20 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 "libavutil/attributes.h"
      20             : #include "libavutil/x86/cpu.h"
      21             : #include "libavcodec/alacdsp.h"
      22             : #include "config.h"
      23             : 
      24             : void ff_alac_decorrelate_stereo_sse4(int32_t *buffer[2], int nb_samples,
      25             :                                      int decorr_shift, int decorr_left_weight);
      26             : void ff_alac_append_extra_bits_stereo_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
      27             :                                            int extra_bits, int channels, int nb_samples);
      28             : void ff_alac_append_extra_bits_mono_sse2(int32_t *buffer[2], int32_t *extra_bits_buffer[2],
      29             :                                          int extra_bits, int channels, int nb_samples);
      30             : 
      31          44 : av_cold void ff_alacdsp_init_x86(ALACDSPContext *c)
      32             : {
      33             : #if HAVE_YASM
      34          44 :     int cpu_flags = av_get_cpu_flags();
      35             : 
      36          44 :     if (EXTERNAL_SSE2(cpu_flags)) {
      37          15 :         c->append_extra_bits[0] = ff_alac_append_extra_bits_mono_sse2;
      38          15 :         c->append_extra_bits[1] = ff_alac_append_extra_bits_stereo_sse2;
      39             :     }
      40          44 :     if (EXTERNAL_SSE4(cpu_flags)) {
      41           9 :         c->decorrelate_stereo   = ff_alac_decorrelate_stereo_sse4;
      42             :     }
      43             : #endif /* HAVE_YASM */
      44          44 : }

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