73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
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#ifndef __RKAUDIO_H__
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#define __RKAUDIO_H__
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#include <functional>
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#include <thread>
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namespace RkAudio {
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// constexpr auto ParamFilePath="/data/sdcard/rw_3a.bin";
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constexpr auto ParamFilePath = "/data/sdcard/RKAP_3A_Para.bin";
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class Format {
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public:
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enum Endian {
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BigEndian,
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LittleEndian,
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};
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enum SampleType {
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Unknown,
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SignedInt16,
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SignedInt,
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Float,
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};
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SampleType sampleType = SignedInt16;
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Endian byteOrder = LittleEndian;
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uint32_t sampleRate = 48000;
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uint32_t channels = 2;
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uint32_t period = 60;
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};
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class Frame {
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public:
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uint8_t *data = nullptr;
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int32_t byteSize = 0;
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int32_t frameSize = 0;
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std::chrono::system_clock::time_point timestamp;
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};
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class Input {
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public:
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using ReadCallback = std::function<void(const Frame &)>;
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Input();
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~Input();
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void setDataCallback(const ReadCallback &callback);
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bool open(const Format &format);
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void stop();
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protected:
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void run();
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private:
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int32_t m_channel = -1;
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bool m_exit = false;
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std::thread m_thread;
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ReadCallback m_callback;
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Format m_format;
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};
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class Output {
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public:
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Output();
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~Output();
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bool open(uint32_t sampleSize, uint32_t sampleRate, uint32_t channels);
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void close();
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void write(const uint8_t *data, uint32_t byteSize);
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private:
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int32_t m_channel = -1;
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};
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} // namespace RkAudio
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#endif // __RKAUDIO_H__
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