mixer.c File Reference

#include "config.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include "alMain.h"
#include "AL/al.h"
#include "AL/alc.h"
#include "alSource.h"
#include "alBuffer.h"
#include "alListener.h"
#include "alAuxEffectSlot.h"
#include "alu.h"
#include "bs2b.h"

Go to the source code of this file.

Macros
#define	DECL_TEMPLATE(T)

Functions
static void	Filter2P (FILTER *filter, ALuint chan, ALfloat *RESTRICT dst, const ALfloat *RESTRICT src, ALuint numsamples)
static void	LoadData (ALfloat *dst, const ALvoid *src, ALuint srcstep, enum FmtType srctype, ALuint samples)
ALvoid	MixSource (ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
static __inline ALfloat	Sample_ALbyte (ALbyte val)
static __inline ALfloat	Sample_ALfloat (ALfloat val)
static __inline ALfloat	Sample_ALshort (ALshort val)
static void	SilenceData (ALfloat *dst, ALuint samples)

Macro Definition Documentation

#define DECL_TEMPLATE

(

T

)

Value:

static void Load_##T(ALfloat *dst, const T *src, ALuint srcstep, ALuint samples)\
{                                                                             \
    ALuint i;                                                                 \
    for(i = 0;i < samples;i++)                                                \
        dst[i] = Sample_##T(src[i*srcstep]);                                  \
}

Definition at line 49 of file mixer.c.

Function Documentation

static void Filter2P ( FILTER *  filter, ALuint  chan, ALfloat *RESTRICT  dst, const ALfloat *RESTRICT  src, ALuint  numsamples  )

static

Definition at line 87 of file mixer.c.

References i, lpFilter2P(), and lpFilter2PC().

Referenced by MixSource().

static void LoadData ( ALfloat *  dst, const ALvoid *  src, ALuint  srcstep, enum FmtType  srctype, ALuint  samples  )

static

Definition at line 63 of file mixer.c.

References FmtByte, FmtFloat, and FmtShort.

Referenced by MixSource().

ALvoid MixSource	(	ALsource *	Source,
		ALCdevice *	Device,
		ALuint	SamplesToDo
	)

Definition at line 97 of file mixer.c.

References AL_FALSE, AL_PLAYING, AL_STATIC, AL_STOPPED, ALbufferlistitem::buffer, ALsource::BuffersInQueue, BUFFERSIZE, ALsource::BuffersPlayed, HrtfState::Counter, ALbuffer::data, ALsource::Direct, ALsource::DryMix, Filter2P(), ALbuffer::FmtType, FRACTIONBITS, FRACTIONMASK, FRACTIONONE, ALsource::Hrtf, DirectParams::iirFilter, SendParams::iirFilter, j, LoadData(), ALbuffer::LoopEnd, ALsource::Looping, ALbuffer::LoopStart, maxu(), mini64(), minu(), HrtfState::Moving, ALbufferlistitem::next, NULL, ALCdevice_struct::NumAuxSends, ALsource::NumChannels, HrtfState::Offset, ALsource::Params, PointResampler, ALsource::position, ALsource::position_fraction, ALbufferlistitem::prev, ALsource::queue, ALsource::Resample, ALsource::Resampler, ResamplerPadding, ResamplerPrePadding, ALbuffer::SampleLen, ALsource::SampleSize, ALsource::Send, SilenceData(), SendParams::Slot, ALsource::SourceType, ALsource::state, ALsource::Step, and ALsource::WetMix.

Referenced by aluMixData().

static __inline ALfloat Sample_ALbyte ( ALbyte  val )

static

OpenAL cross platform audio library Copyright (C) 1999-2007 by authors. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.

You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Or go to http://www.gnu.org/copyleft/lgpl.html

Definition at line 40 of file mixer.c.

static __inline ALfloat Sample_ALfloat ( ALfloat  val )

static

Definition at line 46 of file mixer.c.

static __inline ALfloat Sample_ALshort ( ALshort  val )

static

Definition at line 43 of file mixer.c.

static void SilenceData ( ALfloat *  dst, ALuint  samples  )

static

Definition at line 79 of file mixer.c.

References i.

Referenced by MixSource().