You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

492 lines
15 KiB

#ifndef __ZMF_AUDIO_H__
#define __ZMF_AUDIO_H__
#if __GNUC__
#pragma GCC visibility push(default)
#endif
/**
* @file zmf_audio.h
* @brief ZMF audio interfaces
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initialize Audio module of ZMF(Zero Media Framework).
* @param applicationContext For Windows, it can be the handle of the window,
* The notification event will be sent to that window.
* Or it can be callback function of type ZmfEventListenCallback.
* For Android, it must be the Context.
* For iOS, it should be NULL and is ignored.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioInitialize(void *applicationContext);
/**
* @brief Destory Audio module of ZMF module. All resources will be released.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioTerminate (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
/**
* @brief AEC mode.
*/
typedef enum {
ZmfAecAuto = -1, /**< @brief Auto select mode. */
ZmfAecOff = 0, /**< @brief Disable AEC. */
ZmfAecOn = 1, /**< @brief Enable AEC. */
} ZmfAecMode;
/**
* @brief AGC mode.
*/
typedef enum {
ZmfAgcAuto = -1, /**< @brief Auto select mode. */
ZmfAgcOff = 0, /**< @brief Disable AGC. */
ZmfAgcOn = 1, /**< @brief Enable AGC. */
} ZmfAgcMode;
/**
* @brief Session Mode.
*/
typedef enum {
ZmfSessionAutoMode = 0, /**< @brief Auto select mode, i.e. do nothing. */
ZmfSessionDefault = 1, /**< @brief Default mode. if not support, do nothing */
ZmfSessionVoiceChat = 2, /**< @brief Voice mode, if not support, set Default mode */
ZmfSessionVideoChat = 3, /**< @brief Video mode, if not support, set Default mode */
/** mask flags */
ZmfSessionMixWithOthers = 1<<31, /** @brief Mix with other App sound, only ios supported */
ZmfSessionDuckOthers = 1<<30, /** @brief Duck other App sound, only ios supported */
} ZmfSessionMode;
/**
* @brief Audio device state mode.
*/
typedef enum {
ZmfAudioDeviceActive = 1, /**< @brief audio device enabled and plugged. */
ZmfAudioDeviceDisabled = 2, /**< @brief audio device disabled. */
ZmfAudioDeviceNotPresent = 3, /**< @brief audio device not present. */
ZmfAudioDeviceUnplugged = 4, /**< @brief audio device enabled but unplugged. */
} ZmfAudioDeviceStateMode;
#ifdef __OBJC__
#import <Foundation/Foundation.h>
/**
* @defgroup ZmfAudioDeviceId Audio Device ID
* @{
*/
/** @brief Device ID string of Remote IO. */
extern const char * const ZmfAudioDeviceRemote;
/** @brief Device ID string of Voice Processing IO. */
extern const char * const ZmfAudioDeviceVoice;
/**
* @}
*/
/**
* @defgroup ZmfAudioNotificationParameters Audio Notification Parameters.
* @{
*/
/**
* @brief An NSString object containing a string that identifies
* audio input device ID.
*/
extern NSString * const ZmfAudioInput;
/**
* @brief An NSString object containing a string that identifies
* audio output device ID.
*/
extern NSString * const ZmfAudioOutput;
/**
* @brief An NSNumber object containing an integer that identifies
* the samping rate in Hz.
*/
extern NSString * const ZmfSamplingRate;
/**
* @brief An NSNumber object containing an integer that identifies
* the channel number.
*/
extern NSString * const ZmfChannelNumber;
/**
* @brief An NSNumber object containing an integer that identifies
* the request type for Automatic Gain Control(AGC).
* For a list of possible values, @ref ZmfAgcMode.
*/
extern NSString * const ZmfAutoGainControl;
/**
* @brief An NSNumber object containing an integer that identifies
* the request type for Acoustic Echo Cancellation(AEC).
* For a list of possible values, @ref ZmfAecMode.
*/
extern NSString * const ZmfAcousticEchoCancel;
/**
* @brief An NSString object containing a string that identifies
* the reason of error.
*/
extern NSString * const ZmfAudioError;
/**
* @}
*/
/**
* @defgroup ZmfAudioNotifications Audio Notifications.
* @{
*/
/**
* @brief Post when the ZMF module request to start recording audio data.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioInput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which provide detail
* information for the request.
*/
extern NSString * const ZmfAudioInputRequestStart;
/**
* @brief Post when the ZMF module request to stop recording audio data.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioInput,
* which provide detail information for the request.
*/
extern NSString * const ZmfAudioInputRequestStop;
/**
* @brief Post when the ZMF module has received first audio input data after
* @ref Zmf_AudioInputStart is invoked.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioInput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which indicate the actual
* parameters of the audio data recorded.
*/
extern NSString * const ZmfAudioInputDidStart;
/**
* @brief Post when the ZMF module request to start playing audio data.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioOutput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which provide detail
* information for the request.
*/
extern NSString * const ZmfAudioOutputRequestStart;
/**
* @brief Post when the ZMF module request to stop playing audio data.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioOutput,
* which provide detail information for the request.
*/
extern NSString * const ZmfAudioOutputRequestStop;
/**
* @brief Post when the ZMF module has delivered first audio output data after
* @ref Zmf_AudioOutputStart is invoked.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioOutput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which indicate the actual
* parameters of the audio data.
*/
extern NSString * const ZmfAudioOutputDidStart;
/**
* @brief Post when the ZMF Audio module has received an interruption during working,
* and then enter into an interrupted status.
*
* The ZMF Audio module will stop working (input/output) automatically.
*/
extern NSString * const ZmfAudioInterrupted;
/**
* @brief Post when the ZMF Audio module has received a 'should resume' message
* at the interrupted status.
*
* The ZMF Audio module will restore working (input/output) automatically.
*/
extern NSString * const ZmfAudioDidResume;
/** @brief Post when the ZMF Audio module has an error occurred.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioError
*/
extern NSString * const ZmfAudioErrorOccurred;
/** @brief Post when the ZMF Audio mode changed
*
* The object of this notification is NSNumber of mode.
*/
extern NSString * const ZmfAudioSessionMode;
/**
* @}
*/
#endif /* __OBJC__ */
#ifdef _WIN32
/**
* @brief Event number for audio notifications.
*
* The wParam of the event is the type of notification.
* For a list of possible values, @ref ZmfAudioEventType.
*
* The lParam of the event may contain a JSON object which depends on the
* type of notification.
*/
#define ZmfAudioEvent WM_APP + 130
/**
* @defgroup ZmfNotificationParameters Audio Notification Parameters.
* @{
*/
/**
* @brief A String object containing a string that identifies
* ID of audio input device.
*/
#define ZmfAudioInput "AudioInput"
/**
* @brief A String object containing a string that identifies
* ID of audio output device.
*/
#define ZmfAudioOutput "AudioOutput"
/**
* @brief A Number object containing an integer that identifies
* the samping rate in Hz.
*/
#define ZmfSamplingRate "SamplingRate"
/**
* @brief A Number object containing an integer that identifies
* the channel number.
*/
#define ZmfChannelNumber "ChannelNumber"
/**
* @brief A Number object containing an integer that identifies
* the request type for Automatic Gain Control(AGC).
* For a list of possible values, @ref ZmfAgcMode.
*/
#define ZmfAutoGainControl "AutoGainControl"
/**
* @brief A Number object containing a integer that identifies
* the request type for Acoustic Echo Cancellation(AEC).
* For a list of possible values, @ref ZmfAecMode.
*/
#define ZmfAcousticEchoCancel "AcousticEchoCancel"
/**
* @brief A Number object containing a integer that identifies
* audio device state.
* For a list of possible values, @ref ZmfAudioDeviceStateMode.
*/
#define ZmfAudioDeviceState "State"
/**
* @brief A String object containing a string that describes error reason.
* the format match 'input <id>|output <id>|audio: <reason>'.
*/
#define ZmfAudioError "AudioError"
/**
* @}
*/
/**
* @brief Type of audio notifications.
*/
typedef enum {
/**
* @brief Post when the ZMF module request to start recording audio data.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioInput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which provide detail
* information for the request.
*/
ZmfAudioInputRequestStart = 1,
/**
* @brief Post when the ZMF module request to stop recording audio data.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioInput,
* which provide detail information for the request.
*/
ZmfAudioInputRequestStop = 2,
/**
* @brief Post when the ZMF module has received first audio input data after
* @ref Zmf_AudioInputStart is invoked.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioInput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which indicate the actual
* parameters of the audio data recorded.
*/
ZmfAudioInputDidStart = 3,
/**
* @brief Post when the ZMF module request to start playing audio data.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioOutput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which provide detail
* information for the request.
*/
ZmfAudioOutputRequestStart = 4,
/**
* @brief Post when the ZMF module request to stop playing audio data.
*
* The userInfo dictionary of this notification contains @ref ZmfAudioOutput,
* which provide detail information for the request.
*/
ZmfAudioOutputRequestStop = 5,
/**
* @brief Post when the ZMF module has delivered first audio output data after
* @ref Zmf_AudioOutputStart is invoked.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioOutput,
* @ref ZmfSamplingRate and @ref ZmfChannelNumber, which indicate the actual
* parameters of the audio data.
*/
ZmfAudioOutputDidStart = 6,
/** @brief Post when the ZMF Audio module has detected audio output device changed.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioOutput,
* @ref ZmfAudioDeviceState.
*/
ZmfAudioOutputStateChanged = 8,
/** @brief Post when the ZMF Audio module has an error occurred.
*
* The lParam of this event is a JSON object contains @ref ZmfAudioError
*/
ZmfAudioErrorOccurred = 7,
} ZmfAudioEventType;
#endif /* _WIN32 */
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Set audio session mode
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioSessionSetMode (ZmfSessionMode enAudioMode);
/**
* @brief Get count of audio input devices.
* @return The total count of audio input devices.
*/
int Zmf_AudioInputGetCount (void);
/**
* @brief Set volume of audio input device, only supported on Windows
*
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioInputSetVolume(int percent);
/**
* @brief Get the name of audio input device.
* @param iIndex The index of audio input device, from 0 to count - 1.
* @param acId Pointer the buffer contains ID string.
* @param acName Pointer the buffer contains utf8 name string.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioInputGetName (int iIndex, char acId[512], char acName[512]);
/**
* @brief Start audio input device to record data.
* @param pcId The ID of audio input device.
* @param iSamplingRate Sampling rate in Hz, 0 for auto selection.
* @param iChannelNumber Channel number, 0 for auto selection.
* @param enAecMode AEC mode @ref ZmfAecMode.
* @param enAgcMode AGC mode @ref ZmfAgcMode.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioInputStart (const char* pcId, int iSamplingRate, int iChannelNumber,
ZmfAecMode enAecMode, ZmfAgcMode enAgcMode);
/**
* @brief Stop audio input device.
* @param pcId The ID of audio input device.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioInputStop (const char* pcId);
/**
* @brief Stop all audio input devices.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioInputStopAll (void);
/**
* @brief Get count of audio output devices.
* @return The total count of audio output devices.
*/
int Zmf_AudioOutputGetCount (void);
/**
* @brief Set volume of audio output device, only supported on Windows
*
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioOutputSetVolume(int percent);
/**
* @brief Get the name of audio output device.
* @param iIndex The index of audio output device, from 0 to count - 1.
* @param acId Pointer the buffer contains ID string.
* @param acName Pointer the buffer contains name utf8 string.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioOutputGetName (int iIndex, char acId[512], char acName[512]);
/**
* @brief Start audio output device to play data.
* @param pcId The ID of audio output device.
* @param iSamplingRate Sampling rate in Hz, 0 for auto selection.
* @param iChannelNumber Channel number, 0 for auto selection.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioOutputStart (const char* pcId, int iSamplingRate, int iChannelNumber);
/**
* @brief Stop audio output device.
* @param pcId The ID of audio output device.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioOutputStop (const char* pcId);
/**
* @brief Stop all audio output devices.
* @return 0 on succeed, otherwise failed.
*/
int Zmf_AudioOutputStopAll (void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#if __GNUC__
#pragma GCC visibility pop
#endif
#endif /* __ZMF_AUDIO_H__ */