mirror of https://github.com/jorio/Pomme.git
71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
#pragma once
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#include "CompilerSupport/span.h"
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#include <vector>
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#include <istream>
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#include <memory>
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#include "Sound/cmixer.h"
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namespace Pomme::Sound
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{
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void Init();
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void Shutdown();
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void ReadAIFF(std::istream& input, cmixer::WavStream& output);
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class Codec
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{
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public:
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virtual ~Codec()
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{}
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virtual int SamplesPerPacket() = 0;
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virtual int BytesPerPacket() = 0;
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virtual void Decode(const int nChannels, const std::span<const char> input, const std::span<char> output) = 0;
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};
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class MACE : public Codec
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{
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public:
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int SamplesPerPacket() override
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{ return 6; }
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int BytesPerPacket() override
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{ return 2; }
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void Decode(const int nChannels, const std::span<const char> input, const std::span<char> output) override;
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};
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class IMA4 : public Codec
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{
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public:
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int SamplesPerPacket() override
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{ return 64; }
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int BytesPerPacket() override
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{ return 34; }
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void Decode(const int nChannels, const std::span<const char> input, const std::span<char> output) override;
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};
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class xlaw : public Codec
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{
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const int16_t* xlawToPCM;
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public:
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xlaw(uint32_t codecFourCC);
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int SamplesPerPacket() override
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{ return 1; }
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int BytesPerPacket() override
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{ return 1; }
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void Decode(const int nChannels, const std::span<const char> input, const std::span<char> output) override;
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};
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std::unique_ptr<Pomme::Sound::Codec> GetCodec(uint32_t fourCC);
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}
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