audio.h

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#ifndef __DEODHAI_AUDIO__
#define __DEODHAI_AUDIO__
 
#include <_xeneva.h>
 
#ifdef __cplusplus
XE_EXTERN {
#endif
 
#include <stdint.h>
 
#include <stdio.h>
#include <sys/_keproc.h>
#include <sys/_kefile.h>
#include <sys/mman.h>>
#include <sys/iocodes.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/_keipcpostbox.h>
 
/* Standard Deodhai Request message defined*/
#define DEODHAI_GET_AUDIO_CONNECTION        "DeodhaiGetAudioConnection"
#define DEODHAI_AUDIO_GET_GLOBAL_CONNECTION "DeodhaiAudioGetGlobalConnection"
 
#define DEODHAI_AUDIO_MONO   1
#define DEODHAI_AUDIO_STEREO 2
 
#define DEODHAI_CONNECTION_TYPE_NORMAL 0
#define DEODHAI_CONNECTION_TYPE_GLOBAL 1
 
#pragma pack(push, 1)
    typedef struct _deodhai_audio_msg_ {
        char message[60];
        uint16_t fromProcessId;
        uint16_t toProcessId;
    } DeodhaiAudioMessage;
#pragma pack(pop)
 
/*
 * AudioControlPanel is the main way to
 * control each individual stream, feautres
 * like attack, release, Eq, compression,
 * reverb to be added in future
 */
#pragma pack(push, 1)
    typedef struct _audio_control_panel_ {
        uint8_t numChannel;
        float gain;
        float leftSpeakerScale;
        float rightSpeakerScale;
        bool Samplefull;
        bool ready;
        bool close;
        bool global;
        bool dirty;
    } DeodhaiAudioControlPanel;
#pragma pack(pop)
 
    typedef struct _deodhai_audio_box_ {
        DeodhaiAudioControlPanel* ctlPanel;
        uint16_t controlPanelKey;
        uint16_t sampleBufferKey;
        void* sampleBuffer;
        void* ctlPanelBuffer;
        int pipe;
    } DeodhaiAudioBox;
 
    /*
 * DeodhaiAudioOpenConnection -- Creates a new connection with Deodhai
 * audio server
 * @param postbox -- postbox file descriptor
 * @param numChannel -- number of channel -- 1 for MONO, 2 for STEREO
 * @param connType -- 0 - NORMAL connection, 1 -- GLOBAL connection
 */
    XE_LIB DeodhaiAudioBox* DeodhaiAudioOpenConnection(
        int postbox, uint8_t numChannel, uint8_t connType);
 
    /*
 * DeodhaiAudioWrite -- write audio samples to
 * audio box
 * @param box -- Pointer to audio box
 * @param buffer -- sample buffer
 */
    XE_LIB void DeodhaiAudioWrite(DeodhaiAudioBox * box, void* buffer);
    /*
 * DeodhaiAudioCloseConnection -- close an opened audio connection
 * @param box -- Pointer to Deodhai Audio box
 */
    XE_LIB void DeodhaiAudioCloseConnection(DeodhaiAudioBox * box);
 
#ifdef __cplusplus
}
#endif
 
#endif