alffmpeg.c File Reference

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <assert.h>
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "alhelpers.h"
#include "alffmpeg.h"

Go to the source code of this file.

Functions
void	clearAVAudioData (StreamPtr stream)
void	closeAVFile (FilePtr file)
void *	decodeAVAudioStream (StreamPtr stream, size_t *length)
uint8_t *	getAVAudioData (StreamPtr stream, size_t *length)
int	getAVAudioInfo (StreamPtr stream, ALuint *rate, ALenum *channels, ALenum *type)
StreamPtr	getAVAudioStream (FilePtr file, int streamnum)
int	getAVFileInfo (FilePtr file, int *numaudiostreams)
static int	getNextPacket (FilePtr file, int streamidx)
static int	MemData_read (void *opaque, uint8_t *buf, int buf_size)
static int64_t	MemData_seek (void *opaque, int64_t offset, int whence)
static int	MemData_write (void *opaque, uint8_t *buf, int buf_size)
static size_t	NextPowerOf2 (size_t value)
FilePtr	openAVCustom (const char *name, void *user_data, int(*read_packet)(void *user_data, uint8_t *buf, int buf_size), int(*write_packet)(void *user_data, uint8_t *buf, int buf_size), int64_t(*seek)(void *user_data, int64_t offset, int whence))
FilePtr	openAVData (const char *name, char *buffer, size_t buffer_len)
FilePtr	openAVFile (const char *fname)
size_t	readAVAudioData (StreamPtr stream, void *data, size_t length)

Variables
static int	done_init = 0

Function Documentation

void clearAVAudioData

(

StreamPtr

stream

)

Definition at line 256 of file alffmpeg.c.

void closeAVFile

(

FilePtr

file

)

Definition at line 271 of file alffmpeg.c.

References free, and i.

Referenced by ClosePlayerFile(), LoadSound(), and OpenPlayerFile().

void* decodeAVAudioStream	(	StreamPtr	stream,
		size_t *	length
	)

Definition at line 611 of file alffmpeg.c.

References getAVAudioData(), memcpy, NextPowerOf2(), NULL, and realloc.

Referenced by LoadSound().

uint8_t* getAVAudioData	(	StreamPtr	stream,
		size_t *	length
	)

Definition at line 503 of file alffmpeg.c.

References getNextPacket(), memmove, memset, and NULL.

Referenced by decodeAVAudioStream(), and readAVAudioData().

int getAVAudioInfo	(	StreamPtr	stream,
		ALuint *	rate,
		ALenum *	channels,
		ALenum *	type
	)

Definition at line 392 of file alffmpeg.c.

References AL_5POINT1_SOFT, AL_7POINT1_SOFT, AL_DOUBLE_SOFT, AL_FLOAT_SOFT, AL_INT_SOFT, AL_MONO_SOFT, AL_QUAD_SOFT, AL_SHORT_SOFT, AL_STEREO_SOFT, AL_UNSIGNED_BYTE_SOFT, and str.

Referenced by LoadSound(), and OpenPlayerFile().

StreamPtr getAVAudioStream	(	FilePtr	file,
		int	streamnum
	)

Definition at line 318 of file alffmpeg.c.

References calloc, file, free, i, j, NULL, and realloc.

Referenced by LoadSound(), and OpenPlayerFile().

int getAVFileInfo	(	FilePtr	file,
		int *	numaudiostreams
	)

Definition at line 303 of file alffmpeg.c.

References i.

static int getNextPacket ( FilePtr  file, int  streamidx  )

static

Definition at line 460 of file alffmpeg.c.

References NULL.

Referenced by getAVAudioData().

static int MemData_read ( void *  opaque, uint8_t *  buf, int  buf_size  )

static

Definition at line 65 of file alffmpeg.c.

References memcpy.

Referenced by openAVData().

static int64_t MemData_seek ( void *  opaque, int64_t  offset, int  whence  )

static

Definition at line 93 of file alffmpeg.c.

References SEEK_CUR, SEEK_END, and SEEK_SET.

Referenced by openAVData().

static int MemData_write ( void *  opaque, uint8_t *  buf, int  buf_size  )

static

Definition at line 79 of file alffmpeg.c.

References memcpy.

Referenced by openAVData().

static size_t NextPowerOf2 ( size_t  value )

static

Definition at line 42 of file alffmpeg.c.

Referenced by CalcLineLength(), decodeAVAudioStream(), and EchoDeviceUpdate().

FilePtr openAVCustom	(	const char *	name,
		void *	user_data,
		int(*)(void *user_data, uint8_t *buf, int buf_size)	read_packet,
		int(*)(void *user_data, uint8_t *buf, int buf_size)	write_packet,
		int64_t(*)(void *user_data, int64_t offset, int whence)	seek
	)

Definition at line 221 of file alffmpeg.c.

References calloc, done_init, file, free, and NULL.

FilePtr openAVData	(	const char *	name,
		char *	buffer,
		size_t	buffer_len
	)

Definition at line 185 of file alffmpeg.c.

References calloc, done_init, file, free, MemData_read(), MemData_seek(), MemData_write(), and NULL.

FilePtr openAVFile

(

const char *

fname

)

Definition at line 161 of file alffmpeg.c.

References calloc, done_init, file, free, and NULL.

Referenced by LoadSound(), and OpenPlayerFile().

size_t readAVAudioData	(	StreamPtr	stream,
		void *	data,
		size_t	length
	)

Definition at line 567 of file alffmpeg.c.

References getAVAudioData(), memcpy, and NULL.

Referenced by StartPlayer(), and UpdatePlayer().

Variable Documentation

int done_init = 0

static

Definition at line 159 of file alffmpeg.c.

Referenced by openAVCustom(), openAVData(), and openAVFile().