mirror of
https://github.com/switchbrew/libnx.git
synced 2025-06-21 04:22:50 +02:00
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/**
|
|
* @file audout.h
|
|
* @brief Audio output service.
|
|
* @author hexkyz
|
|
* @copyright libnx Authors
|
|
*/
|
|
#pragma once
|
|
|
|
#include "../types.h"
|
|
|
|
typedef enum {
|
|
PcmFormat_Invalid = 0,
|
|
PcmFormat_INT8 = 1,
|
|
PcmFormat_INT16 = 2,
|
|
PcmFormat_INT24 = 3,
|
|
PcmFormat_INT32 = 4,
|
|
PcmFormat_FLOAT = 5,
|
|
PcmFormat_ADPCM = 6,
|
|
} PcmFormat;
|
|
|
|
typedef enum {
|
|
AudioOutState_Started = 0,
|
|
AudioOutState_Stopped = 1,
|
|
} AudioOutState;
|
|
|
|
/// Audio output buffer format
|
|
typedef struct AudioOutBuffer AudioOutBuffer;
|
|
|
|
struct AudioOutBuffer
|
|
{
|
|
AudioOutBuffer* next; ///< Next buffer.
|
|
void* buffer; ///< Sample buffer (aligned to 0x1000 bytes).
|
|
u64 buffer_size; ///< Sample buffer size.
|
|
u64 data_size; ///< Size of data inside the buffer.
|
|
u64 data_offset; ///< Offset of data inside the buffer.
|
|
};
|
|
|
|
Result audoutInitialize(void);
|
|
void audoutExit(void);
|
|
|
|
Result audoutListAudioOuts(char *DeviceNames, u32 *DeviceNamesCount);
|
|
Result audoutOpenAudioOut(const char *DeviceNameIn, char *DeviceNameOut, u32 SampleRateIn, u32 ChannelCountIn, u32 *SampleRateOut, u32 *ChannelCountOut, PcmFormat *Format, AudioOutState *State);
|
|
Result audoutGetAudioOutState(AudioOutState *State);
|
|
Result audoutStartAudioOut(void);
|
|
Result audoutStopAudioOut(void);
|
|
Result audoutAppendAudioOutBuffer(AudioOutBuffer *Buffer);
|
|
Result audoutGetReleasedAudioOutBuffer(AudioOutBuffer *Buffer, u32 *ReleasedBuffersCount);
|
|
Result audoutContainsAudioOutBuffer(AudioOutBuffer *Buffer, bool *ContainsBuffer);
|
|
|
|
/**
|
|
* @brief Submits an audio sample data buffer for playing.
|
|
* @param source AudioOutBuffer containing the source sample data to be played.
|
|
* @param released AudioOutBuffer to receive the last played buffer.
|
|
*/
|
|
Result audoutPlayBuffer(AudioOutBuffer *source, AudioOutBuffer *released);
|
|
|
|
/// These return the state associated with the currently active audio output device.
|
|
u32 audoutGetSampleRate(void); ///< Supported sample rate (48000Hz).
|
|
u32 audoutGetChannelCount(void); ///< Supported channel count (2 channels).
|
|
PcmFormat audoutGetPcmFormat(void); ///< Supported PCM format (INT16).
|
|
AudioOutState audoutGetDeviceState(void); ///< Initial device state (stopped).
|