LCOV - code coverage report
Current view: top level - libavcodec - fmtconvert.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 14 18 77.8 %
Date: 2017-12-15 11:05:35 Functions: 3 4 75.0 %

          Line data    Source code
       1             : /*
       2             :  * Format Conversion Utils
       3             :  * Copyright (c) 2000, 2001 Fabrice Bellard
       4             :  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
       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 "fmtconvert.h"
      25             : #include "libavutil/common.h"
      26             : 
      27       36458 : static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src,
      28             :                                          float mul, int len)
      29             : {
      30             :     int i;
      31     8798634 :     for(i=0; i<len; i++)
      32     8762176 :         dst[i] = src[i] * mul;
      33       36458 : }
      34             : 
      35           0 : static void int32_to_float_c(float *dst, const int32_t *src, intptr_t len)
      36             : {
      37             :     int i;
      38             : 
      39           0 :     for (i = 0; i < len; i++)
      40           0 :         dst[i] = (float)src[i];
      41           0 : }
      42             : 
      43         132 : static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst,
      44             :                                          const int32_t *src, const float *mul,
      45             :                                          int len)
      46             : {
      47             :     int i;
      48        5760 :     for (i = 0; i < len; i += 8)
      49        5628 :         c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8);
      50         132 : }
      51             : 
      52          51 : av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx)
      53             : {
      54          51 :     c->int32_to_float             = int32_to_float_c;
      55          51 :     c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c;
      56          51 :     c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c;
      57             : 
      58             :     if (ARCH_AARCH64)
      59             :         ff_fmt_convert_init_aarch64(c, avctx);
      60             :     if (ARCH_ARM)
      61             :         ff_fmt_convert_init_arm(c, avctx);
      62             :     if (ARCH_PPC)
      63             :         ff_fmt_convert_init_ppc(c, avctx);
      64             :     if (ARCH_X86)
      65          51 :         ff_fmt_convert_init_x86(c, avctx);
      66             :     if (HAVE_MIPSFPU)
      67             :         ff_fmt_convert_init_mips(c);
      68          51 : }

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