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82 lines
3.0 KiB
82 lines
3.0 KiB
#ifndef Magnum_Audio_WavHeader_h |
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#define Magnum_Audio_WavHeader_h |
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023 Vladimír Vondruš <mosra@centrum.cz> |
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Copyright © 2016 Alice Margatroid <loveoverwhelming@gmail.com> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "Magnum/Magnum.h" |
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namespace Magnum { namespace Audio { namespace Implementation { |
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/* WAV audio format */ |
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enum class WavAudioFormat: UnsignedShort { |
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Unknown = 0x0000, /* Unknown */ |
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Pcm = 0x0001, /* PCM */ |
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AdPcm = 0x0002, /* Adaptive Differential PCM */ |
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IeeeFloat = 0x0003, /* IEEE Float */ |
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ALaw = 0x0006, /* A-Law */ |
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MuLaw = 0x0007, /* μ-Law */ |
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Extensible = 0xfffe /* Extensible */ |
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}; |
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#pragma pack(1) |
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/* RIFF chunk */ |
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struct RiffChunk { |
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char chunkId[4]; /* chunk name (4 characters) */ |
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UnsignedInt chunkSize; /* size of chunk (does not include chunk header) */ |
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}; |
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#pragma pack() |
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#pragma pack(1) |
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/* WAV file header */ |
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struct WavHeaderChunk { |
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RiffChunk chunk; /* Starting RIFF chunk */ |
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char format[4]; /* `WAVE` characters */ |
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}; |
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#pragma pack() |
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#pragma pack(1) |
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/* WAV 'fmt' header */ |
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struct WavFormatChunk { |
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/* GCC 4.8 needs this, otherwise it can't store this in an Optional. It |
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also can't be just =default, otherwise it'll still try to construct the |
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members when using {} */ |
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WavFormatChunk() {} |
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RiffChunk chunk; /* Starting RIFF chunk */ |
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WavAudioFormat audioFormat; /* Audio format */ |
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UnsignedShort numChannels; /* 1 = Mono, 2 = Stereo */ |
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UnsignedInt sampleRate; /* Sample rate in Hz */ |
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UnsignedInt byteRate; /* Bytes per second */ |
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UnsignedShort blockAlign; /* Bytes per sample (all channels) */ |
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UnsignedShort bitsPerSample; /* Bits per sample (one channel) */ |
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}; |
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#pragma pack() |
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Debug& operator<<(Debug& debug, WavAudioFormat value); |
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}}} |
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#endif
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