LCOV - code coverage report
Current view: top level - libavcodec - lossless_audiodsp.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 21 21 100.0 %
Date: 2017-12-13 10:57:33 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Monkey's Audio lossless audio decoder
       3             :  * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
       4             :  *  based upon libdemac from Dave Chapman.
       5             :  *
       6             :  * This file is part of FFmpeg.
       7             :  *
       8             :  * FFmpeg is free software; you can redistribute it and/or
       9             :  * modify it under the terms of the GNU Lesser General Public
      10             :  * License as published by the Free Software Foundation; either
      11             :  * version 2.1 of the License, or (at your option) any later version.
      12             :  *
      13             :  * FFmpeg is distributed in the hope that it will be useful,
      14             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :  * Lesser General Public License for more details.
      17             :  *
      18             :  * You should have received a copy of the GNU Lesser General Public
      19             :  * License along with FFmpeg; if not, write to the Free Software
      20             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      21             :  */
      22             : 
      23             : #include "avcodec.h"
      24             : #include "lossless_audiodsp.h"
      25             : 
      26     3480576 : static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2,
      27             :                                               const int16_t *v3,
      28             :                                               int order, int mul)
      29             : {
      30     3480576 :     int res = 0;
      31             : 
      32             :     do {
      33    86237184 :         res   += *v1 * *v2++;
      34    86237184 :         *v1++ += mul * *v3++;
      35    86237184 :         res   += *v1 * *v2++;
      36    86237184 :         *v1++ += mul * *v3++;
      37    86237184 :     } while (order-=2);
      38     3480576 :     return res;
      39             : }
      40             : 
      41      208896 : static int32_t scalarproduct_and_madd_int32_c(int16_t *v1, const int32_t *v2,
      42             :                                               const int16_t *v3,
      43             :                                               int order, int mul)
      44             : {
      45      208896 :     int res = 0;
      46             : 
      47             :     do {
      48      983040 :         res   += *v1 * (uint32_t)*v2++;
      49      983040 :         *v1++ += mul * *v3++;
      50      983040 :         res   += *v1 * (uint32_t)*v2++;
      51      983040 :         *v1++ += mul * *v3++;
      52      983040 :     } while (order-=2);
      53      208896 :     return res;
      54             : }
      55             : 
      56          35 : av_cold void ff_llauddsp_init(LLAudDSPContext *c)
      57             : {
      58          35 :     c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;
      59          35 :     c->scalarproduct_and_madd_int32 = scalarproduct_and_madd_int32_c;
      60             : 
      61             :     if (ARCH_ARM)
      62             :         ff_llauddsp_init_arm(c);
      63             :     if (ARCH_PPC)
      64             :         ff_llauddsp_init_ppc(c);
      65             :     if (ARCH_X86)
      66          35 :         ff_llauddsp_init_x86(c);
      67          35 : }

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