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Urho3D::SoundSource Class Reference

Sound source component with stereo position. A sound source needs to be created to a node to be considered "enabled" and be able to play, however that node does not need to belong to a scene. More...

#include </var/dev/u3d/stable/Source/Urho3D/Audio/SoundSource.h>

Inheritance diagram for Urho3D::SoundSource:
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Collaboration diagram for Urho3D::SoundSource:
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Public Member Functions

 SoundSource (Context *context)
 Construct.
 
 ~SoundSource () override
 Destruct. Remove self from the audio subsystem.
 
void Seek (float seekTime)
 Seek to time.
 
void Play (Sound *sound)
 Play a sound.
 
void Play (Sound *sound, float frequency)
 Play a sound with specified frequency.
 
void Play (Sound *sound, float frequency, float gain)
 Play a sound with specified frequency and gain.
 
void Play (Sound *sound, float frequency, float gain, float panning)
 Play a sound with specified frequency, gain and panning.
 
void Play (SoundStream *stream)
 Start playing a sound stream.
 
void Stop ()
 Stop playback.
 
void SetSoundType (const String &type)
 
void SetFrequency (float frequency)
 
void SetGain (float gain)
 
void SetAttenuation (float attenuation)
 Set attenuation. 1.0 is unaltered. Used for distance attenuated playback.
 
void SetPanning (float panning)
 
void SetAutoRemoveMode (AutoRemoveMode mode)
 
void SetPlayPosition (signed char *pos)
 Set new playback position.
 
SoundGetSound () const
 
volatile signed char * GetPlayPosition () const
 Return playback position.
 
String GetSoundType () const
 
float GetTimePosition () const
 
float GetFrequency () const
 
float GetGain () const
 
float GetAttenuation () const
 
float GetPanning () const
 
AutoRemoveMode GetAutoRemoveMode () const
 
bool IsPlaying () const
 
virtual void Update (float timeStep)
 Update the sound source. Perform subclass specific operations. Called by Audio. More...
 
void Mix (int *dest, unsigned samples, int mixRate, bool stereo, bool interpolation)
 Mix sound source output to a 32-bit clipping buffer. Called by Audio.
 
void UpdateMasterGain ()
 Update the effective master gain. Called internally and by Audio when the master gain changes.
 
void SetSoundAttr (const ResourceRef &value)
 Set sound attribute.
 
void SetPositionAttr (int value)
 Set sound position attribute.
 
ResourceRef GetSoundAttr () const
 Return sound attribute.
 
void SetPlayingAttr (bool value)
 Set sound playing attribute.
 
int GetPositionAttr () const
 Return sound position attribute.
 
- Public Member Functions inherited from Urho3D::Component
 Component (Context *context)
 Construct.
 
 ~Component () override
 Destruct.
 
virtual void OnSetEnabled ()
 Handle enabled/disabled state change. More...
 
bool Save (Serializer &dest) const override
 Save as binary data. Return true if successful. More...
 
bool SaveXML (XMLElement &dest) const override
 Save as XML data. Return true if successful. More...
 
bool SaveJSON (JSONValue &dest) const override
 Save as JSON data. Return true if successful. More...
 
void MarkNetworkUpdate () override
 Mark for attribute check on the next network update. More...
 
virtual void GetDependencyNodes (PODVector< Node * > &dest)
 Return the depended on nodes to order network updates. More...
 
virtual void DrawDebugGeometry (DebugRenderer *debug, bool depthTest)
 Visualize the component as debug geometry. More...
 
void SetEnabled (bool enable)
 
void Remove ()
 Remove from the scene node. If no other shared pointer references exist, causes immediate deletion.
 
unsigned GetID () const
 
bool IsReplicated () const
 
NodeGetNode () const
 
SceneGetScene () const
 Return the scene the node belongs to.
 
bool IsEnabled () const
 
bool IsEnabledEffective () const
 
ComponentGetComponent (StringHash type) const
 Return component in the same scene node by type. If there are several, returns the first.
 
void GetComponents (PODVector< Component * > &dest, StringHash type) const
 Return components in the same scene node by type.
 
template<class T >
T * GetComponent () const
 Template version of returning a component in the same scene node by type.
 
template<class T >
void GetComponents (PODVector< T * > &dest) const
 Template version of returning components in the same scene node by type.
 
void AddReplicationState (ComponentReplicationState *state)
 Add a replication state that is tracking this component.
 
void PrepareNetworkUpdate ()
 Prepare network update by comparing attributes and marking replication states dirty as necessary.
 
void CleanupConnection (Connection *connection)
 
- Public Member Functions inherited from Urho3D::Animatable
 Animatable (Context *context)
 Construct.
 
 ~Animatable () override
 Destruct.
 
bool LoadXML (const XMLElement &source) override
 Load from XML data. Return true if successful. More...
 
bool SaveXML (XMLElement &dest) const override
 Save as XML data. Return true if successful. More...
 
bool LoadJSON (const JSONValue &source) override
 Load from JSON data. Return true if successful. More...
 
bool SaveJSON (JSONValue &dest) const override
 Save as JSON data. Return true if successful. More...
 
void SetAnimationEnabled (bool enable)
 
void SetAnimationTime (float time)
 Set time position of all attribute animations or an object animation manually. Automatic update should be disabled in this case.
 
void SetObjectAnimation (ObjectAnimation *objectAnimation)
 
void SetAttributeAnimation (const String &name, ValueAnimation *attributeAnimation, WrapMode wrapMode=WM_LOOP, float speed=1.0f)
 Set attribute animation.
 
void SetAttributeAnimationWrapMode (const String &name, WrapMode wrapMode)
 Set attribute animation wrap mode.
 
void SetAttributeAnimationSpeed (const String &name, float speed)
 Set attribute animation speed.
 
void SetAttributeAnimationTime (const String &name, float time)
 Set attribute animation time position manually. Automatic update should be disabled in this case.
 
void RemoveObjectAnimation ()
 Remove object animation. Same as calling SetObjectAnimation with a null pointer.
 
void RemoveAttributeAnimation (const String &name)
 Remove attribute animation. Same as calling SetAttributeAnimation with a null pointer.
 
bool GetAnimationEnabled () const
 
ObjectAnimationGetObjectAnimation () const
 
ValueAnimationGetAttributeAnimation (const String &name) const
 Return attribute animation.
 
WrapMode GetAttributeAnimationWrapMode (const String &name) const
 Return attribute animation wrap mode.
 
float GetAttributeAnimationSpeed (const String &name) const
 Return attribute animation speed.
 
float GetAttributeAnimationTime (const String &name) const
 Return attribute animation time position.
 
void SetObjectAnimationAttr (const ResourceRef &value)
 Set object animation attribute.
 
ResourceRef GetObjectAnimationAttr () const
 Return object animation attribute.
 
- Public Member Functions inherited from Urho3D::Serializable
 Serializable (Context *context)
 Construct.
 
 ~Serializable () override
 Destruct.
 
virtual void OnSetAttribute (const AttributeInfo &attr, const Variant &src)
 Handle attribute write access. Default implementation writes to the variable at offset, or invokes the set accessor. More...
 
virtual void OnGetAttribute (const AttributeInfo &attr, Variant &dest) const
 Handle attribute read access. Default implementation reads the variable at offset, or invokes the get accessor. More...
 
virtual const Vector< AttributeInfo > * GetAttributes () const
 Return attribute descriptions, or null if none defined. More...
 
virtual const Vector< AttributeInfo > * GetNetworkAttributes () const
 Return network replication attribute descriptions, or null if none defined.
 
virtual bool Load (Deserializer &source)
 Load from binary data. Return true if successful. More...
 
virtual bool Save (Serializer &dest) const
 Save as binary data. Return true if successful. More...
 
virtual bool LoadXML (const XMLElement &source)
 Load from XML data. Return true if successful. More...
 
virtual bool SaveXML (XMLElement &dest) const
 Save as XML data. Return true if successful. More...
 
virtual bool LoadJSON (const JSONValue &source)
 Load from JSON data. Return true if successful. More...
 
virtual bool SaveJSON (JSONValue &dest) const
 Save as JSON data. Return true if successful. More...
 
virtual void ApplyAttributes ()
 Apply attribute changes that can not be applied immediately. Called after scene load or a network update. More...
 
virtual bool SaveDefaultAttributes () const
 Return whether should save default-valued attributes into XML. Default false. More...
 
virtual void MarkNetworkUpdate ()
 Mark for attribute check on the next network update. More...
 
bool SetAttribute (unsigned index, const Variant &value)
 
bool SetAttribute (const String &name, const Variant &value)
 Set attribute by name. Return true if successfully set.
 
void SetInstanceDefault (bool enable)
 Set instance-level default flag.
 
void ResetToDefault ()
 Reset all editable attributes to their default values.
 
void RemoveInstanceDefault ()
 Remove instance's default values if they are set previously.
 
void SetTemporary (bool enable)
 
void SetInterceptNetworkUpdate (const String &attributeName, bool enable)
 Enable interception of an attribute from network updates. Intercepted attributes are sent as events instead of applying directly. This can be used to implement client side prediction.
 
void AllocateNetworkState ()
 Allocate network attribute state.
 
void WriteInitialDeltaUpdate (Serializer &dest, unsigned char timeStamp)
 Write initial delta network update.
 
void WriteDeltaUpdate (Serializer &dest, const DirtyBits &attributeBits, unsigned char timeStamp)
 Write a delta network update according to dirty attribute bits.
 
void WriteLatestDataUpdate (Serializer &dest, unsigned char timeStamp)
 Write a latest data network update.
 
bool ReadDeltaUpdate (Deserializer &source)
 Read and apply a network delta update. Return true if attributes were changed.
 
bool ReadLatestDataUpdate (Deserializer &source)
 Read and apply a network latest data update. Return true if attributes were changed.
 
Variant GetAttribute (unsigned index) const
 
Variant GetAttribute (const String &name) const
 Return attribute value by name. Return empty if not found.
 
Variant GetAttributeDefault (unsigned index) const
 
Variant GetAttributeDefault (const String &name) const
 Return attribute default value by name. Return empty if not found.
 
unsigned GetNumAttributes () const
 
unsigned GetNumNetworkAttributes () const
 Return number of network replication attributes.
 
bool IsTemporary () const
 
bool GetInterceptNetworkUpdate (const String &attributeName) const
 Return whether an attribute's network updates are being intercepted.
 
NetworkStateGetNetworkState () const
 Return the network attribute state, if allocated.
 
- Public Member Functions inherited from Urho3D::Object
 Object (Context *context)
 Construct.
 
 ~Object () override
 Destruct. Clean up self from event sender & receiver structures.
 
virtual StringHash GetType () const =0
 
virtual const StringGetTypeName () const =0
 
virtual const TypeInfoGetTypeInfo () const =0
 Return type info.
 
virtual void OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
 Handle event.
 
bool IsInstanceOf (StringHash type) const
 Check current instance is type of specified type.
 
bool IsInstanceOf (const TypeInfo *typeInfo) const
 Check current instance is type of specified type.
 
template<typename T >
bool IsInstanceOf () const
 Check current instance is type of specified class.
 
template<typename T >
T * Cast ()
 Cast the object to specified most derived class.
 
template<typename T >
const T * Cast () const
 Cast the object to specified most derived class.
 
void SubscribeToEvent (StringHash eventType, EventHandler *handler)
 Subscribe to an event that can be sent by any sender.
 
void SubscribeToEvent (Object *sender, StringHash eventType, EventHandler *handler)
 Subscribe to a specific sender's event.
 
void SubscribeToEvent (StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
 Subscribe to an event that can be sent by any sender.
 
void SubscribeToEvent (Object *sender, StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
 Subscribe to a specific sender's event.
 
void UnsubscribeFromEvent (StringHash eventType)
 Unsubscribe from an event.
 
void UnsubscribeFromEvent (Object *sender, StringHash eventType)
 Unsubscribe from a specific sender's event.
 
void UnsubscribeFromEvents (Object *sender)
 Unsubscribe from a specific sender's events.
 
void UnsubscribeFromAllEvents ()
 Unsubscribe from all events.
 
void UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData)
 Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events).
 
void SendEvent (StringHash eventType)
 Send event to all subscribers.
 
void SendEvent (StringHash eventType, VariantMap &eventData)
 Send event with parameters to all subscribers.
 
VariantMapGetEventDataMap () const
 Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.
 
template<typename... Args>
void SendEvent (StringHash eventType, Args... args)
 Send event with variadic parameter pairs to all subscribers. The parameter pairs is a list of paramID and paramValue separated by comma, one pair after another.
 
ContextGetContext () const
 Return execution context.
 
const VariantGetGlobalVar (StringHash key) const
 
const VariantMapGetGlobalVars () const
 
void SetGlobalVar (StringHash key, const Variant &value)
 
ObjectGetSubsystem (StringHash type) const
 Return subsystem by type.
 
ObjectGetEventSender () const
 Return active event sender. Null outside event handling.
 
EventHandlerGetEventHandler () const
 Return active event handler. Null outside event handling.
 
bool HasSubscribedToEvent (StringHash eventType) const
 Return whether has subscribed to an event without specific sender.
 
bool HasSubscribedToEvent (Object *sender, StringHash eventType) const
 Return whether has subscribed to a specific sender's event.
 
bool HasEventHandlers () const
 Return whether has subscribed to any event.
 
template<class T >
T * GetSubsystem () const
 Template version of returning a subsystem.
 
const StringGetCategory () const
 
void SetBlockEvents (bool block)
 Block object from sending and receiving events.
 
bool GetBlockEvents () const
 Return sending and receiving events blocking status.
 
- Public Member Functions inherited from Urho3D::RefCounted
 RefCounted ()
 Construct. Allocate the reference count structure and set an initial self weak reference.
 
virtual ~RefCounted ()
 Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.
 
 RefCounted (const RefCounted &rhs)=delete
 Prevent copy construction.
 
RefCountedoperator= (const RefCounted &rhs)=delete
 Prevent assignment.
 
void AddRef ()
 
void ReleaseRef ()
 
int Refs () const
 
int WeakRefs () const
 
RefCountRefCountPtr ()
 Return pointer to the reference count structure.
 

Static Public Member Functions

static void RegisterObject (Context *context)
 
- Static Public Member Functions inherited from Urho3D::Animatable
static void RegisterObject (Context *context)
 
- Static Public Member Functions inherited from Urho3D::Object
static const TypeInfoGetTypeInfoStatic ()
 Return type info static.
 

Protected Attributes

WeakPtr< Audioaudio_
 Audio subsystem.
 
String soundType_
 SoundSource type, determines the master gain group.
 
StringHash soundTypeHash_
 SoundSource type hash.
 
float frequency_
 Frequency.
 
float gain_
 Gain.
 
float attenuation_
 Attenuation.
 
float panning_
 Stereo panning.
 
float masterGain_ {}
 Effective master gain.
 
bool sendFinishedEvent_
 Whether finished event should be sent on playback stop.
 
AutoRemoveMode autoRemove_
 Automatic removal mode.
 
- Protected Attributes inherited from Urho3D::Component
Nodenode_
 Scene node.
 
unsigned id_
 Unique ID within the scene.
 
bool networkUpdate_
 Network update queued flag.
 
bool enabled_
 Enabled flag.
 
- Protected Attributes inherited from Urho3D::Animatable
bool animationEnabled_
 Animation enabled.
 
SharedPtr< ObjectAnimationobjectAnimation_
 Animation.
 
HashSet< const AttributeInfo * > animatedNetworkAttributes_
 Animated network attribute set.
 
HashMap< String, SharedPtr< AttributeAnimationInfo > > attributeAnimationInfos_
 Attribute animation infos.
 
- Protected Attributes inherited from Urho3D::Serializable
UniquePtr< NetworkStatenetworkState_
 Network attribute state.
 
- Protected Attributes inherited from Urho3D::Object
Contextcontext_
 Execution context.
 

Private Member Functions

 URHO3D_OBJECT (SoundSource, Component)
 
void PlayLockless (Sound *sound)
 Play a sound without locking the audio mutex. Called internally.
 
void PlayLockless (const SharedPtr< SoundStream > &stream)
 Play a sound stream without locking the audio mutex. Called internally.
 
void StopLockless ()
 Stop sound without locking the audio mutex. Called internally.
 
void SetPlayPositionLockless (signed char *pos)
 Set new playback position without locking the audio mutex. Called internally.
 
void MixMonoToMono (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix mono sample to mono buffer.
 
void MixMonoToStereo (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix mono sample to stereo buffer.
 
void MixMonoToMonoIP (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix mono sample to mono buffer interpolated.
 
void MixMonoToStereoIP (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix mono sample to stereo buffer interpolated.
 
void MixStereoToMono (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix stereo sample to mono buffer.
 
void MixStereoToStereo (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix stereo sample to stereo buffer.
 
void MixStereoToMonoIP (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix stereo sample to mono buffer interpolated.
 
void MixStereoToStereoIP (Sound *sound, int *dest, unsigned samples, int mixRate)
 Mix stereo sample to stereo buffer interpolated.
 
void MixZeroVolume (Sound *sound, unsigned samples, int mixRate)
 Advance playback pointer without producing audible output.
 
void MixNull (float timeStep)
 Advance playback pointer to simulate audio playback in headless mode.
 

Private Attributes

SharedPtr< Soundsound_
 Sound that is being played.
 
SharedPtr< SoundStreamsoundStream_
 Sound stream that is being played.
 
volatile signed char * position_
 Playback position.
 
volatile int fractPosition_
 Playback fractional position.
 
volatile float timePosition_
 Playback time position.
 
SharedPtr< SoundstreamBuffer_
 Decode buffer.
 
int unusedStreamSize_
 Unused stream bytes from previous frame.
 

Additional Inherited Members

- Protected Member Functions inherited from Urho3D::Component
void OnAttributeAnimationAdded () override
 Handle attribute animation added. More...
 
void OnAttributeAnimationRemoved () override
 Handle attribute animation removed. More...
 
virtual void OnNodeSet (Node *node)
 Handle scene node being assigned at creation. More...
 
virtual void OnSceneSet (Scene *scene)
 Handle scene being assigned. This may happen several times during the component's lifetime. Scene-wide subsystems and events are subscribed to here. More...
 
virtual void OnMarkedDirty (Node *node)
 Handle scene node transform dirtied. More...
 
virtual void OnNodeSetEnabled (Node *node)
 Handle scene node enabled status changing. More...
 
void SetID (unsigned id)
 
void SetNode (Node *node)
 Set scene node. Called by Node when creating the component.
 
void HandleAttributeAnimationUpdate (StringHash eventType, VariantMap &eventData)
 Handle scene attribute animation update event.
 
ComponentGetFixedUpdateSource ()
 Return a component from the scene root that sends out fixed update events (either PhysicsWorld or PhysicsWorld2D). Return null if neither exists.
 
void DoAutoRemove (AutoRemoveMode mode)
 Perform autoremove. Called by subclasses. Caller should keep a weak pointer to itself to check whether was actually removed, and return immediately without further member operations in that case.
 
- Protected Member Functions inherited from Urho3D::Animatable
virtual void OnAttributeAnimationAdded ()=0
 Handle attribute animation added. More...
 
virtual void OnAttributeAnimationRemoved ()=0
 Handle attribute animation removed. More...
 
virtual AnimatableFindAttributeAnimationTarget (const String &name, String &outName)
 Find target of an attribute animation from object hierarchy by name. More...
 
void SetObjectAttributeAnimation (const String &name, ValueAnimation *attributeAnimation, WrapMode wrapMode, float speed)
 Set object attribute animation internal.
 
void OnObjectAnimationAdded (ObjectAnimation *objectAnimation)
 Handle object animation added.
 
void OnObjectAnimationRemoved (ObjectAnimation *objectAnimation)
 Handle object animation removed.
 
void UpdateAttributeAnimations (float timeStep)
 Update attribute animations.
 
bool IsAnimatedNetworkAttribute (const AttributeInfo &attrInfo) const
 Is animated network attribute.
 
AttributeAnimationInfoGetAttributeAnimationInfo (const String &name) const
 Return attribute animation info.
 
void HandleAttributeAnimationAdded (StringHash eventType, VariantMap &eventData)
 Handle attribute animation added.
 
void HandleAttributeAnimationRemoved (StringHash eventType, VariantMap &eventData)
 Handle attribute animation removed.
 

Detailed Description

Sound source component with stereo position. A sound source needs to be created to a node to be considered "enabled" and be able to play, however that node does not need to belong to a scene.

Member Function Documentation

◆ GetAttenuation()

float Urho3D::SoundSource::GetAttenuation ( ) const
inline

Return attenuation.

◆ GetAutoRemoveMode()

AutoRemoveMode Urho3D::SoundSource::GetAutoRemoveMode ( ) const
inline

Return automatic removal mode on sound playback completion.

◆ GetFrequency()

float Urho3D::SoundSource::GetFrequency ( ) const
inline

Return frequency.

◆ GetGain()

float Urho3D::SoundSource::GetGain ( ) const
inline

Return gain.

◆ GetPanning()

float Urho3D::SoundSource::GetPanning ( ) const
inline

Return stereo panning.

◆ GetSound()

Sound * Urho3D::SoundSource::GetSound ( ) const
inline

Return sound.

◆ GetSoundType()

String Urho3D::SoundSource::GetSoundType ( ) const
inline

Return sound type, determines the master gain group.

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◆ GetTimePosition()

float Urho3D::SoundSource::GetTimePosition ( ) const
inline

Return playback time position.

◆ IsPlaying()

bool Urho3D::SoundSource::IsPlaying ( ) const

Return whether is playing.

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◆ RegisterObject()

void Urho3D::SoundSource::RegisterObject ( Context context)
static

Register object factory.

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◆ SetAutoRemoveMode()

void Urho3D::SoundSource::SetAutoRemoveMode ( AutoRemoveMode  mode)

Set to remove either the sound source component or its owner node from the scene automatically on sound playback completion. Disabled by default.

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◆ SetFrequency()

void Urho3D::SoundSource::SetFrequency ( float  frequency)

Set frequency.

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◆ SetGain()

void Urho3D::SoundSource::SetGain ( float  gain)

Set gain. 0.0 is silence, 1.0 is full volume.

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◆ SetPanning()

void Urho3D::SoundSource::SetPanning ( float  panning)

Set stereo panning. -1.0 is full left and 1.0 is full right.

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◆ SetSoundType()

void Urho3D::SoundSource::SetSoundType ( const String type)

Set sound type, determines the master gain group.

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◆ Update()

void Urho3D::SoundSource::Update ( float  timeStep)
virtual

Update the sound source. Perform subclass specific operations. Called by Audio.

Reimplemented in Urho3D::SoundSource3D.

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The documentation for this class was generated from the following files: