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#ifndef AL_SOURCE_H
#define AL_SOURCE_H
#include <array>
#include <atomic>
#include <cstddef>
#include "AL/al.h"
#include "AL/alc.h"
#include "alcontext.h"
#include "alnumeric.h"
#include "alu.h"
#include "vector.h"
struct ALbuffer;
struct ALeffectslot;
#define DEFAULT_SENDS 2
struct ALbufferlistitem {
std::atomic<ALbufferlistitem*> next;
ALsizei max_samples;
ALsizei num_buffers;
ALbuffer *buffers[];
static constexpr size_t Sizeof(size_t num_buffers) noexcept
{
return maxz(offsetof(ALbufferlistitem, buffers) + sizeof(ALbuffer*)*num_buffers,
sizeof(ALbufferlistitem));
}
};
struct ALsource {
/** Source properties. */
ALfloat Pitch;
ALfloat Gain;
ALfloat OuterGain;
ALfloat MinGain;
ALfloat MaxGain;
ALfloat InnerAngle;
ALfloat OuterAngle;
ALfloat RefDistance;
ALfloat MaxDistance;
ALfloat RolloffFactor;
std::array<ALfloat,3> Position;
std::array<ALfloat,3> Velocity;
std::array<ALfloat,3> Direction;
std::array<ALfloat,3> OrientAt;
std::array<ALfloat,3> OrientUp;
ALboolean HeadRelative;
ALboolean Looping;
DistanceModel mDistanceModel;
Resampler mResampler;
ALboolean DirectChannels;
SpatializeMode mSpatialize;
ALboolean DryGainHFAuto;
ALboolean WetGainAuto;
ALboolean WetGainHFAuto;
ALfloat OuterGainHF;
ALfloat AirAbsorptionFactor;
ALfloat RoomRolloffFactor;
ALfloat DopplerFactor;
/* NOTE: Stereo pan angles are specified in radians, counter-clockwise
* rather than clockwise.
*/
std::array<ALfloat,2> StereoPan;
ALfloat Radius;
/** Direct filter and auxiliary send info. */
struct {
ALfloat Gain;
ALfloat GainHF;
ALfloat HFReference;
ALfloat GainLF;
ALfloat LFReference;
} Direct;
struct SendData {
ALeffectslot *Slot;
ALfloat Gain;
ALfloat GainHF;
ALfloat HFReference;
ALfloat GainLF;
ALfloat LFReference;
};
al::vector<SendData> Send;
/**
* Last user-specified offset, and the offset type (bytes, samples, or
* seconds).
*/
ALdouble Offset;
ALenum OffsetType;
/** Source type (static, streaming, or undetermined) */
ALint SourceType;
/** Source state (initial, playing, paused, or stopped) */
ALenum state;
/** Source Buffer Queue head. */
ALbufferlistitem *queue;
std::atomic_flag PropsClean;
/* Index into the context's Voices array. Lazily updated, only checked and
* reset when looking up the voice.
*/
ALint VoiceIdx;
/** Self ID */
ALuint id;
ALsource(ALsizei num_sends);
~ALsource();
ALsource(const ALsource&) = delete;
ALsource& operator=(const ALsource&) = delete;
};
void UpdateAllSourceProps(ALCcontext *context);
#endif
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