LCOV - code coverage report
Current view: top level - libavcodec - mpegaudio.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 9 13 69.2 %
Date: 2017-12-16 13:57:32 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * MPEG Audio common code
       3             :  * Copyright (c) 2001, 2002 Fabrice Bellard
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : 
      22             : /**
      23             :  * @file
      24             :  * MPEG Audio common code.
      25             :  */
      26             : 
      27             : #include "mpegaudio.h"
      28             : 
      29             : 
      30             : /* bitrate is in kb/s */
      31        3413 : int ff_mpa_l2_select_table(int bitrate, int nb_channels, int freq, int lsf)
      32             : {
      33             :     int ch_bitrate, table;
      34             : 
      35        3413 :     ch_bitrate = bitrate / nb_channels;
      36        3413 :     if (!lsf) {
      37        3413 :         if ((freq == 48000 && ch_bitrate >= 56) ||
      38        3230 :             (ch_bitrate >= 56 && ch_bitrate <= 80))
      39         877 :             table = 0;
      40        2536 :         else if (freq != 48000 && ch_bitrate >= 96)
      41        2536 :             table = 1;
      42           0 :         else if (freq != 32000 && ch_bitrate <= 48)
      43           0 :             table = 2;
      44             :         else
      45           0 :             table = 3;
      46             :     } else {
      47           0 :         table = 4;
      48             :     }
      49        3413 :     return table;
      50             : }

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