sound.cpp File Reference

#include <Sound\sound.h>
#include <_null.h>
#include <Mm\kmalloc.h>
#include <Mm\pmmngr.h>
#include <Mm\vmmngr.h>
#include <fs\vfs.h>
#include <fs\dev\devfs.h>
#include <aurora.h>
#include <serv\sysserv.h>
#include <string.h>
#include <aucon.h>
#include <Hal\serial.h>
#include <Hal\x86_64_hal.h>

Include dependency graph for sound.cpp:

Macros
#define	SOUND_REGISTER_SNDPLR   100
#define	SOUND_START_OUTPUT   102
#define	SOUND_STOP_OUTPUT   103
#define	SOUND_START_INPUT   104
#define	SOUND_STOP_INPUT   105
#define	SOUND_SET_VOLUME   106
#define	SOUND_GET_VOLUME   107
#define	SOUND_MUTE_ENABLE   108
#define	SOUND_MUTE_DISABLE   109
#define	SOUND_READ_AVAIL   110
#define	SOUND_UNREGISTER_SNDPLR   111
#define	SND_BUFF_SZ   PAGE_SIZE

Functions
void	AuSoundAddDSP (AuDSP *dsp)
void	AuRemoveDSP (AuDSP *dsp)
AuDSP *	AuSoundGetDSP (uint16_t id)
void	AuSoundGetBlock (uint64_t *buffer)
	AuSoundGetBlock – the main heart of aurora sound system – called by sound card.
size_t	AuSoundRead (AuVFSNode *fsys, AuVFSNode *file, uint64_t *buffer, uint32_t length)
size_t	AuSoundWrite (AuVFSNode *fsys, AuVFSNode *file, uint64_t *buffer, uint32_t length)
void	AuSoundSetCard (AuSound *dev)
	AuSoundSetCard – registers a new sound card.
void	AuSoundStart ()
void	AuSoundStop ()
int	AuSoundIOControl (AuVFSNode *node, int code, void *arg)
void	AuSoundInitialise ()
	AuSoundInitialize – Initialized the Aurora sound system.
void	AuSoundRemoveDSP (uint16_t id)
	AuSoundRemoveDSP – remove the dsp from dsp list.

Variables
AuSound *	_Registered_dev
AuDSP *	dsp_first
AuDSP *	dsp_last
uint8_t *	mixbuf
bool	_audio_started_
bool	_audio_stopped_

Macro Definition Documentation

SND_BUFF_SZ

#define SND_BUFF_SZ   PAGE_SIZE

SOUND_GET_VOLUME

#define SOUND_GET_VOLUME   107

SOUND_MUTE_DISABLE

#define SOUND_MUTE_DISABLE   109

SOUND_MUTE_ENABLE

#define SOUND_MUTE_ENABLE   108

SOUND_READ_AVAIL

#define SOUND_READ_AVAIL   110

SOUND_REGISTER_SNDPLR

#define SOUND_REGISTER_SNDPLR   100

SOUND_SET_VOLUME

#define SOUND_SET_VOLUME   106

SOUND_START_INPUT

#define SOUND_START_INPUT   104

SOUND_START_OUTPUT

#define SOUND_START_OUTPUT   102

SOUND_STOP_INPUT

#define SOUND_STOP_INPUT   105

SOUND_STOP_OUTPUT

#define SOUND_STOP_OUTPUT   103

SOUND_UNREGISTER_SNDPLR

#define SOUND_UNREGISTER_SNDPLR   111

Function Documentation

AuRemoveDSP()

void AuRemoveDSP

(

AuDSP *

dsp

)

AuSoundAddDSP()

void AuSoundAddDSP

(

AuDSP *

dsp

)

AuSoundGetBlock()

void AuSoundGetBlock

(

uint64_t *

buffer

)

AuSoundGetBlock – the main heart of aurora sound system – called by sound card.

AuSoundGetDSP()

AuDSP * AuSoundGetDSP

(

uint16_t

id

)

AuSoundInitialise()

void AuSoundInitialise

(

)

AuSoundInitialize – Initialized the Aurora sound system.

AuSoundIOControl()

int AuSoundIOControl	(	AuVFSNode *	node,
		int	code,
		void *	arg
	)

AuSoundRead()

size_t AuSoundRead	(	AuVFSNode *	fsys,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	length
	)

AuSoundRemoveDSP()

void AuSoundRemoveDSP

(

uint16_t

id

)

AuSoundRemoveDSP – remove the dsp from dsp list.

AuSoundSetCard()

void AuSoundSetCard

(

AuSound *

dev

)

AuSoundSetCard – registers a new sound card.

Parameters

dev	– sound card device

AuSoundStart()

void AuSoundStart

(

)

AuSoundStop()

void AuSoundStop

(

)

AuSoundWrite()

size_t AuSoundWrite	(	AuVFSNode *	fsys,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	length
	)

Variable Documentation

_audio_started_

bool _audio_started_

_audio_stopped_

bool _audio_stopped_

_Registered_dev

AuSound* _Registered_dev

BSD 2-Clause License

Copyright (c) 2021, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

dsp_first

AuDSP* dsp_first

dsp_last

AuDSP* dsp_last

mixbuf

uint8_t* mixbuf