///////////////////////////////////////////////////////
| 53 | |
| 54 | //////////////////////////////////////////////////////////// |
| 55 | bool SoundFileWriterFlac::open(const std::filesystem::path& filename, |
| 56 | unsigned int sampleRate, |
| 57 | unsigned int channelCount, |
| 58 | const std::vector<SoundChannel>& channelMap) |
| 59 | { |
| 60 | std::vector<SoundChannel> targetChannelMap; |
| 61 | |
| 62 | // For FLAC channel mapping refer to: https://xiph.org/flac/format.html#frame_header |
| 63 | switch (channelCount) |
| 64 | { |
| 65 | case 0: |
| 66 | err() << "No channels to write to FLAC file" << std::endl; |
| 67 | return false; |
| 68 | case 1: |
| 69 | targetChannelMap = {SoundChannel::Mono}; |
| 70 | break; |
| 71 | case 2: |
| 72 | targetChannelMap = {SoundChannel::FrontLeft, SoundChannel::FrontRight}; |
| 73 | break; |
| 74 | case 3: |
| 75 | targetChannelMap = {SoundChannel::FrontLeft, SoundChannel::FrontRight, SoundChannel::FrontCenter}; |
| 76 | break; |
| 77 | case 4: |
| 78 | targetChannelMap = {SoundChannel::FrontLeft, SoundChannel::FrontRight, SoundChannel::BackLeft, SoundChannel::BackRight}; |
| 79 | break; |
| 80 | case 5: |
| 81 | targetChannelMap = {SoundChannel::FrontLeft, |
| 82 | SoundChannel::FrontRight, |
| 83 | SoundChannel::FrontCenter, |
| 84 | SoundChannel::BackLeft, |
| 85 | SoundChannel::BackRight}; |
| 86 | break; |
| 87 | case 6: |
| 88 | targetChannelMap = {SoundChannel::FrontLeft, |
| 89 | SoundChannel::FrontRight, |
| 90 | SoundChannel::FrontCenter, |
| 91 | SoundChannel::LowFrequencyEffects, |
| 92 | SoundChannel::BackLeft, |
| 93 | SoundChannel::BackRight}; |
| 94 | break; |
| 95 | case 7: |
| 96 | targetChannelMap = {SoundChannel::FrontLeft, |
| 97 | SoundChannel::FrontRight, |
| 98 | SoundChannel::FrontCenter, |
| 99 | SoundChannel::LowFrequencyEffects, |
| 100 | SoundChannel::BackCenter, |
| 101 | SoundChannel::SideLeft, |
| 102 | SoundChannel::SideRight}; |
| 103 | break; |
| 104 | case 8: |
| 105 | targetChannelMap = {SoundChannel::FrontLeft, |
| 106 | SoundChannel::FrontRight, |
| 107 | SoundChannel::FrontCenter, |
| 108 | SoundChannel::LowFrequencyEffects, |
| 109 | SoundChannel::BackLeft, |
| 110 | SoundChannel::BackRight, |
| 111 | SoundChannel::SideLeft, |
| 112 | SoundChannel::SideRight}; |