LCOV - code coverage report
Current view: top level - libavformat - flacenc_header.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 10 18 55.6 %
Date: 2017-12-11 04:34:20 Functions: 2 2 100.0 %

          Line data    Source code
       1             : /*
       2             :  * raw FLAC muxer
       3             :  * Copyright (C) 2009 Justin Ruggles
       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 "libavutil/channel_layout.h"
      23             : 
      24             : #include "libavcodec/flac.h"
      25             : 
      26             : #include "avformat.h"
      27             : #include "flacenc.h"
      28             : 
      29          11 : int ff_flac_write_header(AVIOContext *pb, uint8_t *extradata,
      30             :                          int extradata_size, int last_block)
      31             : {
      32          11 :     uint8_t header[8] = {
      33             :         0x66, 0x4C, 0x61, 0x43, 0x00, 0x00, 0x00, 0x22
      34             :     };
      35             : 
      36          11 :     header[4] = last_block ? 0x80 : 0x00;
      37             : 
      38          11 :     if (extradata_size < FLAC_STREAMINFO_SIZE)
      39           0 :         return AVERROR_INVALIDDATA;
      40             : 
      41             :     /* write "fLaC" stream marker and first metadata block header */
      42          11 :     avio_write(pb, header, 8);
      43             : 
      44             :     /* write STREAMINFO */
      45          11 :     avio_write(pb, extradata, FLAC_STREAMINFO_SIZE);
      46             : 
      47          11 :     return 0;
      48             : }
      49             : 
      50          11 : int ff_flac_is_native_layout(uint64_t channel_layout)
      51             : {
      52          11 :     if (channel_layout == AV_CH_LAYOUT_MONO     ||
      53           0 :         channel_layout == AV_CH_LAYOUT_STEREO   ||
      54           0 :         channel_layout == AV_CH_LAYOUT_SURROUND ||
      55           0 :         channel_layout == AV_CH_LAYOUT_QUAD     ||
      56           0 :         channel_layout == AV_CH_LAYOUT_5POINT0  ||
      57           0 :         channel_layout == AV_CH_LAYOUT_5POINT1  ||
      58           0 :         channel_layout == AV_CH_LAYOUT_6POINT1  ||
      59             :         channel_layout == AV_CH_LAYOUT_7POINT1)
      60          11 :         return 1;
      61           0 :     return 0;
      62             : }

Generated by: LCOV version 1.13