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61 lines
2.6 KiB
C
61 lines
2.6 KiB
C
/**
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* @file audin.h
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* @brief Audio input service.
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* @author hexkyz
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../audio/audio.h"
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typedef enum {
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AudioInState_Started = 0,
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AudioInState_Stopped = 1,
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} AudioInState;
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/// Audio input buffer format
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typedef struct AudioInBuffer AudioInBuffer;
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struct AudioInBuffer
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{
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AudioInBuffer* next; ///< Next buffer. (Unused)
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void* buffer; ///< Sample buffer (aligned to 0x1000 bytes).
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u64 buffer_size; ///< Sample buffer size (aligned to 0x1000 bytes).
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u64 data_size; ///< Size of data inside the buffer.
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u64 data_offset; ///< Offset of data inside the buffer. (Unused?)
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};
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Result audinInitialize(void);
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void audinExit(void);
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Result audinListAudioIns(char *DeviceNames, u32 *DeviceNamesCount);
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Result audinOpenAudioIn(const char *DeviceNameIn, char *DeviceNameOut, u32 SampleRateIn, u32 ChannelCountIn, u32 *SampleRateOut, u32 *ChannelCountOut, PcmFormat *Format, AudioInState *State);
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Result audinGetAudioInState(AudioInState *State);
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Result audinStartAudioIn(void);
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Result audinStopAudioIn(void);
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Result audinAppendAudioInBuffer(AudioInBuffer *Buffer);
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Result audinGetReleasedAudioInBuffer(AudioInBuffer **Buffer, u32 *ReleasedBuffersCount);
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Result audinContainsAudioInBuffer(AudioInBuffer *Buffer, bool *ContainsBuffer);
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/**
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* @brief Submits an audio sample data buffer for capturing and waits for it to finish capturing.
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* @brief Uses \ref audinAppendAudioInBuffer and \ref audinWaitCaptureFinish internally.
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* @param source AudioInBuffer containing the buffer to hold the captured sample data.
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* @param released AudioInBuffer to receive the captured buffer after being released.
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*/
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Result audinCaptureBuffer(AudioInBuffer *source, AudioInBuffer **released);
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/**
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* @brief Waits for audio capture to finish.
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* @param released AudioInBuffer to receive the first captured buffer after being released.
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* @param released_count Pointer to receive the number of captured buffers.
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* @param timeout Timeout value, use U64_MAX to wait until all finished.
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*/
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Result audinWaitCaptureFinish(AudioInBuffer **released, u32* released_count, u64 timeout);
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/// These return the state associated with the currently active audio input device.
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u32 audinGetSampleRate(void); ///< Supported sample rate (48000Hz).
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u32 audinGetChannelCount(void); ///< Supported channel count (2 channels).
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PcmFormat audinGetPcmFormat(void); ///< Supported PCM format (Int16).
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AudioInState audinGetDeviceState(void); ///< Initial device state (stopped).
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