LCOV - code coverage report
Current view: top level - libavcodec - codec2utils.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 18 0.0 %
Date: 2018-05-20 11:54:08 Functions: 0 3 0.0 %

          Line data    Source code
       1             : /*
       2             :  * codec2 utility functions
       3             :  * Copyright (c) 2017 Tomas Härdin
       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             : #include <string.h>
      23             : #include "internal.h"
      24             : #include "libavcodec/codec2utils.h"
      25             : 
      26           0 : int avpriv_codec2_mode_bit_rate(void *logctx, int mode)
      27             : {
      28           0 :     int frame_size  = avpriv_codec2_mode_frame_size(logctx, mode);
      29           0 :     int block_align = avpriv_codec2_mode_block_align(logctx, mode);
      30             : 
      31           0 :     if (frame_size <= 0 || block_align <= 0) {
      32           0 :         return 0;
      33             :     }
      34             : 
      35           0 :     return 8 * 8000 * block_align / frame_size;
      36             : }
      37             : 
      38           0 : int avpriv_codec2_mode_frame_size(void *logctx, int mode)
      39             : {
      40           0 :     int frame_size_table[AVPRIV_CODEC2_MODE_MAX+1] = {
      41             :         160,    // 3200
      42             :         160,    // 2400
      43             :         320,    // 1600
      44             :         320,    // 1400
      45             :         320,    // 1300
      46             :         320,    // 1200
      47             :         320,    // 700
      48             :         320,    // 700B
      49             :         320,    // 700C
      50             :     };
      51             : 
      52           0 :     if (mode < 0 || mode > AVPRIV_CODEC2_MODE_MAX) {
      53           0 :         av_log(logctx, AV_LOG_ERROR, "unknown codec2 mode %i, can't find frame_size\n", mode);
      54           0 :         return 0;
      55             :     } else {
      56           0 :         return frame_size_table[mode];
      57             :     }
      58             : }
      59             : 
      60           0 : int avpriv_codec2_mode_block_align(void *logctx, int mode)
      61             : {
      62           0 :     int block_align_table[AVPRIV_CODEC2_MODE_MAX+1] = {
      63             :         8,      // 3200
      64             :         6,      // 2400
      65             :         8,      // 1600
      66             :         7,      // 1400
      67             :         7,      // 1300
      68             :         6,      // 1200
      69             :         4,      // 700
      70             :         4,      // 700B
      71             :         4,      // 700C
      72             :     };
      73             : 
      74           0 :     if (mode < 0 || mode > AVPRIV_CODEC2_MODE_MAX) {
      75           0 :         av_log(logctx, AV_LOG_ERROR, "unknown codec2 mode %i, can't find block_align\n", mode);
      76           0 :         return 0;
      77             :     } else {
      78           0 :         return block_align_table[mode];
      79             :     }
      80             : }

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