wav_out.c File Reference

#include <gpac/modules/audio_out.h>
#include <windows.h>
#include <gpac/constants.h>

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Data Structures
struct	WAVContext
struct	WAVEFORMATEXTENSIBLE
union	WAVEFORMATEXTENSIBLE.Samples

Macros
#define	MAX_AUDIO_BUFFER   30
#define	USE_WAVE_EXT
#define	WAVE_FORMAT_EXTENSIBLE   0xFFFE
#define	SPEAKER_FRONT_LEFT   0x1
#define	SPEAKER_FRONT_RIGHT   0x2
#define	SPEAKER_FRONT_CENTER   0x4
#define	SPEAKER_LOW_FREQUENCY   0x8
#define	SPEAKER_BACK_LEFT   0x10
#define	SPEAKER_BACK_RIGHT   0x20
#define	SPEAKER_FRONT_LEFT_OF_CENTER   0x40
#define	SPEAKER_FRONT_RIGHT_OF_CENTER   0x80
#define	SPEAKER_BACK_CENTER   0x100
#define	SPEAKER_SIDE_LEFT   0x200
#define	SPEAKER_SIDE_RIGHT   0x400
#define	SPEAKER_TOP_CENTER   0x800
#define	SPEAKER_TOP_FRONT_LEFT   0x1000
#define	SPEAKER_TOP_FRONT_CENTER   0x2000
#define	SPEAKER_TOP_FRONT_RIGHT   0x4000
#define	SPEAKER_TOP_BACK_LEFT   0x8000
#define	SPEAKER_TOP_BACK_CENTER   0x10000
#define	SPEAKER_TOP_BACK_RIGHT   0x20000
#define	SPEAKER_RESERVED   0x80000000
#define	WAVCTX()   WAVContext *ctx = (WAVContext *)dr->opaque;

Typedefs
typedef struct WAVEFORMATEXTENSIBLE *	PWAVEFORMATEXTENSIBLE

Functions
static GF_Err	WAV_Setup (GF_AudioOutput *dr, void *os_handle, u32 num_buffers, u32 total_duration)
static void CALLBACK	WaveProc (HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2)
static void	close_waveform (GF_AudioOutput *dr)
static void	WAV_Shutdown (GF_AudioOutput *dr)
static GF_Err	WAV_Configure (GF_AudioOutput *dr, u32 *SampleRate, u32 *NbChannels, u32 *audioFormat, u64 channel_cfg)
static void	WAV_WriteAudio (GF_AudioOutput *dr)
static void	WAV_Play (GF_AudioOutput *dr, u32 PlayType)
static void	set_vol_pan (WAVContext *ctx)
static void	WAV_SetVolume (GF_AudioOutput *dr, u32 Volume)
static void	WAV_SetPan (GF_AudioOutput *dr, u32 Pan)
static GF_Err	WAV_QueryOutputSampleRate (GF_AudioOutput *dr, u32 *desired_samplerate, u32 *NbChannels, u32 *nbBitsPerSample)
static u32	WAV_GetAudioDelay (GF_AudioOutput *dr)
static u32	WAV_GetTotalBufferTime (GF_AudioOutput *dr)
void *	NewWAVRender ()
void	DeleteWAVRender (void *ifce)
GPAC_MODULE_EXPORT const u32 *	QueryInterfaces ()
GPAC_MODULE_EXPORT GF_BaseInterface *	LoadInterface (u32 InterfaceType)
GPAC_MODULE_EXPORT void	ShutdownInterface (GF_BaseInterface *ifce)

Variables
static const GUID	GPAC_KSDATAFORMAT_SUBTYPE_PCM = {0x00000001,0x0000,0x0010, {0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71} }

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Data Structure Documentation

WAVContext

struct WAVContext

Data Fields
HWAVEOUT	hwo
WAVEHDR	wav_hdr[MAX_AUDIO_BUFFER]
WAVEFORMATEX	fmt
u32	num_buffers
u32	buffer_size
Bool	exit_request
HANDLE	event
u32	vol
u32	pan
u32	delay
u32	total_length_ms
Bool	force_config
u32	cfg_num_buffers
u32	cfg_duration
char *	wav_buf

WAVEFORMATEXTENSIBLE

struct WAVEFORMATEXTENSIBLE

Data Fields
WAVEFORMATEX	Format
union WAVEFORMATEXTENSIBLE	Samples
DWORD	dwChannelMask
GUID	SubFormat

WAVEFORMATEXTENSIBLE.Samples

union WAVEFORMATEXTENSIBLE.Samples

Data Fields
WORD	wValidBitsPerSample
WORD	wSamplesPerBlock
WORD	wReserved

Macro Definition Documentation

MAX_AUDIO_BUFFER

#define MAX_AUDIO_BUFFER   30

USE_WAVE_EXT

#define USE_WAVE_EXT

WAVE_FORMAT_EXTENSIBLE

#define WAVE_FORMAT_EXTENSIBLE   0xFFFE

SPEAKER_FRONT_LEFT

#define SPEAKER_FRONT_LEFT   0x1

SPEAKER_FRONT_RIGHT

#define SPEAKER_FRONT_RIGHT   0x2

SPEAKER_FRONT_CENTER

#define SPEAKER_FRONT_CENTER   0x4

SPEAKER_LOW_FREQUENCY

#define SPEAKER_LOW_FREQUENCY   0x8

SPEAKER_BACK_LEFT

#define SPEAKER_BACK_LEFT   0x10

SPEAKER_BACK_RIGHT

#define SPEAKER_BACK_RIGHT   0x20

SPEAKER_FRONT_LEFT_OF_CENTER

#define SPEAKER_FRONT_LEFT_OF_CENTER   0x40

SPEAKER_FRONT_RIGHT_OF_CENTER

#define SPEAKER_FRONT_RIGHT_OF_CENTER   0x80

SPEAKER_BACK_CENTER

#define SPEAKER_BACK_CENTER   0x100

SPEAKER_SIDE_LEFT

#define SPEAKER_SIDE_LEFT   0x200

SPEAKER_SIDE_RIGHT

#define SPEAKER_SIDE_RIGHT   0x400

SPEAKER_TOP_CENTER

#define SPEAKER_TOP_CENTER   0x800

SPEAKER_TOP_FRONT_LEFT

#define SPEAKER_TOP_FRONT_LEFT   0x1000

SPEAKER_TOP_FRONT_CENTER

#define SPEAKER_TOP_FRONT_CENTER   0x2000

SPEAKER_TOP_FRONT_RIGHT

#define SPEAKER_TOP_FRONT_RIGHT   0x4000

SPEAKER_TOP_BACK_LEFT

#define SPEAKER_TOP_BACK_LEFT   0x8000

SPEAKER_TOP_BACK_CENTER

#define SPEAKER_TOP_BACK_CENTER   0x10000

SPEAKER_TOP_BACK_RIGHT

#define SPEAKER_TOP_BACK_RIGHT   0x20000

SPEAKER_RESERVED

#define SPEAKER_RESERVED   0x80000000

WAVCTX

#define WAVCTX

(

)

WAVContext *ctx = (WAVContext *)dr->opaque;

Typedef Documentation

PWAVEFORMATEXTENSIBLE

typedef struct WAVEFORMATEXTENSIBLE * PWAVEFORMATEXTENSIBLE

Function Documentation

WAV_Setup()

static GF_Err WAV_Setup ( GF_AudioOutput *  dr, void *  os_handle, u32  num_buffers, u32  total_duration  )

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WaveProc()

static void CALLBACK WaveProc ( HWAVEOUT  hwo, UINT  uMsg, DWORD_PTR  dwInstance, DWORD_PTR  dwParam1, DWORD_PTR  dwParam2  )

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close_waveform()

static void close_waveform ( GF_AudioOutput *  dr )

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WAV_Shutdown()

static void WAV_Shutdown ( GF_AudioOutput *  dr )

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WAV_Configure()

static GF_Err WAV_Configure ( GF_AudioOutput *  dr, u32 *  SampleRate, u32 *  NbChannels, u32 *  audioFormat, u64  channel_cfg  )

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WAV_WriteAudio()

static void WAV_WriteAudio ( GF_AudioOutput *  dr )

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WAV_Play()

static void WAV_Play ( GF_AudioOutput *  dr, u32  PlayType  )

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set_vol_pan()

static void set_vol_pan ( WAVContext *  ctx )

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WAV_SetVolume()

static void WAV_SetVolume ( GF_AudioOutput *  dr, u32  Volume  )

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WAV_SetPan()

static void WAV_SetPan ( GF_AudioOutput *  dr, u32  Pan  )

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WAV_QueryOutputSampleRate()

static GF_Err WAV_QueryOutputSampleRate ( GF_AudioOutput *  dr, u32 *  desired_samplerate, u32 *  NbChannels, u32 *  nbBitsPerSample  )

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WAV_GetAudioDelay()

static u32 WAV_GetAudioDelay ( GF_AudioOutput *  dr )

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WAV_GetTotalBufferTime()

static u32 WAV_GetTotalBufferTime ( GF_AudioOutput *  dr )

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NewWAVRender()

void* NewWAVRender

(

)

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DeleteWAVRender()

void DeleteWAVRender

(

void *

ifce

)

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QueryInterfaces()

GPAC_MODULE_EXPORT const u32* QueryInterfaces

(

)

LoadInterface()

GPAC_MODULE_EXPORT GF_BaseInterface* LoadInterface

(

u32

InterfaceType

)

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ShutdownInterface()

GPAC_MODULE_EXPORT void ShutdownInterface

(

GF_BaseInterface *

ifce

)

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Variable Documentation

GPAC_KSDATAFORMAT_SUBTYPE_PCM

const GUID GPAC_KSDATAFORMAT_SUBTYPE_PCM = {0x00000001,0x0000,0x0010, {0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71} }

static