pulseaudio.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <poll.h>
#include <pulse/pulseaudio.h>
#include <pulse/simple.h>
#include <gpac/modules/audio_out.h>

Include dependency graph for pulseaudio.c:

Data Structures
struct	PulseAudioContext

Macros
#define	BUFF_SIZE   8192

Functions
static void	free_pulseaudio_resources (GF_AudioOutput *dr)
static GF_Err	PulseAudio_Setup (GF_AudioOutput *dr, void *os_handle, u32 num_buffers, u32 total_duration)
static void	PulseAudio_Shutdown (GF_AudioOutput *dr)
static GF_Err	PulseAudio_ConfigureOutput (GF_AudioOutput *dr, u32 *SampleRate, u32 *NbChannels, u32 *nbBitsPerSample, u32 channel_cfg)
static void	PulseAudio_WriteAudio (GF_AudioOutput *dr)
static void	PulseAudio_SetVolume (GF_AudioOutput *dr, u32 Volume)
static void	PulseAudio_SetPan (GF_AudioOutput *dr, u32 Pan)
static void	PulseAudio_SetPriority (GF_AudioOutput *dr, u32 Priority)
static u32	PulseAudio_GetAudioDelay (GF_AudioOutput *dr)
static GF_Err	PulseAudio_QueryOutputSampleRate (GF_AudioOutput *dr, u32 *desired_sr, u32 *NbChannels, u32 *nbBitsPerSample)
void *	NewPulseAudioOutput ()
void	DeletePulseAudioOutput (void *ifce)
const u32 *	QueryInterfaces (u32 InterfaceType)
GF_BaseInterface *	LoadInterface (u32 InterfaceType)
void	ShutdownInterface (GF_BaseInterface *ifce)

Variables
static const char *	MODULE_NAME = "PulseAudio"
static const char *	OUTPUT_NAME = "OutputName"
static const char *	OUTPUT_DESCRIPTION = "OutputDescription"
static const char *	DEFAULT_OUTPUT_NAME = "GPAC"
static const char *	DEFAULT_OUTPUT_DESCRIPTION = "GPAC Output"

---

Data Structure Documentation

struct PulseAudioContext

Collaboration diagram for PulseAudioContext:

Data Fields
pa_simple *	playback_handle
pa_sample_spec	sample_spec
const char *	output_name
const char *	output_description
u32	errors
u32	consecutive_zero_reads

Macro Definition Documentation

#define BUFF_SIZE   8192

Function Documentation

static void free_pulseaudio_resources ( GF_AudioOutput *  dr )

static

Here is the caller graph for this function:

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

static

Here is the call graph for this function:

Here is the caller graph for this function:

static void PulseAudio_Shutdown ( GF_AudioOutput *  dr )

static

Here is the caller graph for this function:

static GF_Err PulseAudio_ConfigureOutput ( GF_AudioOutput *  dr, u32 *  SampleRate, u32 *  NbChannels, u32 *  nbBitsPerSample, u32  channel_cfg  )

static

Here is the caller graph for this function:

static void PulseAudio_WriteAudio ( GF_AudioOutput *  dr )

static

Here is the call graph for this function:

Here is the caller graph for this function:

static void PulseAudio_SetVolume ( GF_AudioOutput *  dr, u32  Volume  )

static

Here is the caller graph for this function:

static void PulseAudio_SetPan ( GF_AudioOutput *  dr, u32  Pan  )

static

Here is the caller graph for this function:

static void PulseAudio_SetPriority ( GF_AudioOutput *  dr, u32  Priority  )

static

Here is the caller graph for this function:

static u32 PulseAudio_GetAudioDelay ( GF_AudioOutput *  dr )

static

Here is the caller graph for this function:

static GF_Err PulseAudio_QueryOutputSampleRate ( GF_AudioOutput *  dr, u32 *  desired_sr, u32 *  NbChannels, u32 *  nbBitsPerSample  )

static

PulseAudio can do the resampling by itself and play any number of channels

Here is the caller graph for this function:

void* NewPulseAudioOutput

(

)

Here is the call graph for this function:

Here is the caller graph for this function:

void DeletePulseAudioOutput

(

void *

ifce

)

Here is the call graph for this function:

Here is the caller graph for this function:

const u32* QueryInterfaces

(

u32

InterfaceType

)

GF_BaseInterface* LoadInterface

(

u32

InterfaceType

)

Here is the call graph for this function:

void ShutdownInterface

(

GF_BaseInterface *

ifce

)

Here is the call graph for this function:

Variable Documentation

const char* MODULE_NAME = "PulseAudio"

static

const char* OUTPUT_NAME = "OutputName"

static

const char* OUTPUT_DESCRIPTION = "OutputDescription"

static

const char* DEFAULT_OUTPUT_NAME = "GPAC"

static

const char* DEFAULT_OUTPUT_DESCRIPTION = "GPAC Output"

static