Audaspace: update from upstream

- Changing API for time values from float to double for better precision.
- Fixing minor mistakes in the documentation.
- Fixing minor unnecessary large memory allocation.

extern/audaspace/bindings/C/AUD_Device.cpp

@@ -290,14 +290,14 @@ AUD_API AUD_Device* AUD_Device_getCurrent()
 	return new AUD_Device(device);
 }
 
-AUD_API void AUD_seekSynchronizer(AUD_Handle* handle, float time)
+AUD_API void AUD_seekSynchronizer(AUD_Handle* handle, double time)
 {
 	auto synchronizer = DeviceManager::getDevice()->getSynchronizer();
 	if(synchronizer)
 		synchronizer->seek(*reinterpret_cast<std::shared_ptr<IHandle>*>(handle), time);
 }
 
-AUD_API float AUD_getSynchronizerPosition(AUD_Handle* handle)
+AUD_API double AUD_getSynchronizerPosition(AUD_Handle* handle)
 {
 	auto synchronizer = DeviceManager::getDevice()->getSynchronizer();
 	if(synchronizer)

extern/audaspace/bindings/C/AUD_Device.h

@@ -221,14 +221,14 @@ extern AUD_API AUD_Device* AUD_Device_getCurrent();
  * \param handle Playback handle.
  * \param time Time in seconds to seek to.
  */
-extern AUD_API void AUD_seekSynchronizer(AUD_Handle* handle, float time);
+extern AUD_API void AUD_seekSynchronizer(AUD_Handle* handle, double time);
 
 /**
  * Returns the current sound scene playback time.
  * \param handle Playback handle.
  * \return The playback time in seconds.
  */
-extern AUD_API float AUD_getSynchronizerPosition(AUD_Handle* handle);
+extern AUD_API double AUD_getSynchronizerPosition(AUD_Handle* handle);
 
 /**
  * Starts the playback of jack transport if possible.

extern/audaspace/bindings/C/AUD_DynamicMusic.cpp

@@ -101,14 +101,14 @@ AUD_API int AUD_DynamicMusic_pause(AUD_DynamicMusic* player)
 	return (*player)->pause();
 }
 
-AUD_API int AUD_DynamicMusic_seek(AUD_DynamicMusic* player, float position)
+AUD_API int AUD_DynamicMusic_seek(AUD_DynamicMusic* player, double position)
 {
 	assert(player);
 
 	return (*player)->seek(position);
 }
 
-AUD_API float AUD_DynamicMusic_getPosition(AUD_DynamicMusic* player)
+AUD_API double AUD_DynamicMusic_getPosition(AUD_DynamicMusic* player)
 {
 	assert(player);
 
@@ -141,4 +141,4 @@ AUD_API int AUD_DynamicMusic_stop(AUD_DynamicMusic* player)
 	assert(player);
 
 	return (*player)->stop();
-}
+}

extern/audaspace/bindings/C/AUD_DynamicMusic.h

@@ -103,14 +103,14 @@ extern AUD_API int AUD_DynamicMusic_pause(AUD_DynamicMusic* player);
 * \param position The new position from which to play back, in seconds.
 * \return 0 if the seeking wasn't possible.
 */
-extern AUD_API int AUD_DynamicMusic_seek(AUD_DynamicMusic* player, float position);
+extern AUD_API int AUD_DynamicMusic_seek(AUD_DynamicMusic* player, double position);
 
 /**
 * Retrieves the position of the current scene of a dynamic music player.
 * \param player The DynamicMusic object.
 * \return The position of the current playing scene.
 */
-extern AUD_API float AUD_DynamicMusic_getPosition(AUD_DynamicMusic* player);
+extern AUD_API double AUD_DynamicMusic_getPosition(AUD_DynamicMusic* player);
 
 /**
 * Retrieves the volume of the current scene of a dynamic music player.
@@ -142,4 +142,4 @@ extern AUD_API int AUD_DynamicMusic_stop(AUD_DynamicMusic* player);
 
 #ifdef __cplusplus
 }
-#endif
+#endif

extern/audaspace/bindings/C/AUD_Handle.cpp

@@ -259,13 +259,13 @@ AUD_API int AUD_Handle_setPitch(AUD_Handle* handle, float value)
 	return (*handle)->setPitch(value);
 }
 
-AUD_API float AUD_Handle_getPosition(AUD_Handle* handle)
+AUD_API double AUD_Handle_getPosition(AUD_Handle* handle)
 {
 	assert(handle);
 	return (*handle)->getPosition();
 }
 
-AUD_API int AUD_Handle_setPosition(AUD_Handle* handle, float value)
+AUD_API int AUD_Handle_setPosition(AUD_Handle* handle, double value)
 {
 	assert(handle);
 	return (*handle)->seek(value);

extern/audaspace/bindings/C/AUD_Handle.h

@@ -211,14 +211,14 @@ extern AUD_API int AUD_Handle_setPitch(AUD_Handle* handle, float value);
  * param handle The handle to get the position from.
  * return The position of the handle.
  */
-extern AUD_API float AUD_Handle_getPosition(AUD_Handle* handle);
+extern AUD_API double AUD_Handle_getPosition(AUD_Handle* handle);
 
 /**
  * Sets the position of a handle.
  * param handle The handle to set the position from.
  * param value The new position to set.
  */
-extern AUD_API int AUD_Handle_setPosition(AUD_Handle* handle, float value);
+extern AUD_API int AUD_Handle_setPosition(AUD_Handle* handle, double value);
 
 /**
  * Retrieves the relative of a handle.

extern/audaspace/bindings/C/AUD_Sequence.cpp

@@ -41,7 +41,7 @@ AUD_API void AUD_Sequence_free(AUD_Sound* sequence)
 	delete sequence;
 }
 
-AUD_API AUD_SequenceEntry* AUD_Sequence_add(AUD_Sound* sequence, AUD_Sound* sound, float begin, float end, float skip)
+AUD_API AUD_SequenceEntry* AUD_Sequence_add(AUD_Sound* sequence, AUD_Sound* sound, double begin, double end, double skip)
 {
 	if(!sound)
 		return new AUD_SequenceEntry(((Sequence *)sequence->get())->add(AUD_Sound(), begin, end, skip));
@@ -160,7 +160,7 @@ AUD_API void AUD_Sequence_setSpeedOfSound(AUD_Sound* sequence, float value)
 
 
 
-AUD_API void AUD_SequenceEntry_move(AUD_SequenceEntry* entry, float begin, float end, float skip)
+AUD_API void AUD_SequenceEntry_move(AUD_SequenceEntry* entry, double begin, double end, double skip)
 {
 	(*entry)->move(begin, end, skip);
 }

extern/audaspace/bindings/C/AUD_Sequence.h

@@ -55,7 +55,7 @@ extern AUD_API void AUD_Sequence_free(AUD_Sound* sequence);
  * \param skip How much seconds should be skipped at the beginning.
  * \return The entry added.
  */
-extern AUD_API AUD_SequenceEntry* AUD_Sequence_add(AUD_Sound* sequence, AUD_Sound* sound, float begin, float end, float skip);
+extern AUD_API AUD_SequenceEntry* AUD_Sequence_add(AUD_Sound* sequence, AUD_Sound* sound, double begin, double end, double skip);
 
 /**
  * Removes an entry from the scene.
@@ -167,7 +167,7 @@ extern AUD_API void AUD_Sequence_setSpeedOfSound(AUD_Sound* sequence, float valu
  * \param end The new end time or a negative value if unknown.
  * \param skip How many seconds to skip at the beginning.
  */
-extern AUD_API void AUD_SequenceEntry_move(AUD_SequenceEntry* entry, float begin, float end, float skip);
+extern AUD_API void AUD_SequenceEntry_move(AUD_SequenceEntry* entry, double begin, double end, double skip);
 
 /**
  * Writes animation data to a sequenced entry.

extern/audaspace/bindings/C/AUD_Special.cpp

@@ -175,7 +175,7 @@ static void pauseSound(AUD_Handle* handle)
 	(*handle)->pause();
 }
 
-AUD_API AUD_Handle* AUD_pauseAfter(AUD_Handle* handle, float seconds)
+AUD_API AUD_Handle* AUD_pauseAfter(AUD_Handle* handle, double seconds)
 {
 	auto device = DeviceManager::getDevice();
 
@@ -336,7 +336,7 @@ AUD_API const char* AUD_mixdown_per_channel(AUD_Sound* sound, unsigned int start
 	}
 }
 
-AUD_API AUD_Device* AUD_openMixdownDevice(AUD_DeviceSpecs specs, AUD_Sound* sequencer, float volume, float start)
+AUD_API AUD_Device* AUD_openMixdownDevice(AUD_DeviceSpecs specs, AUD_Sound* sequencer, float volume, double start)
 {
 	try
 	{

extern/audaspace/bindings/C/AUD_Special.h

@@ -45,7 +45,7 @@ extern AUD_API float* AUD_readSoundBuffer(const char* filename, float low, float
  * \param seconds The time in seconds.
  * \return The silence handle.
  */
-extern AUD_API AUD_Handle* AUD_pauseAfter(AUD_Handle* handle, float seconds);
+extern AUD_API AUD_Handle* AUD_pauseAfter(AUD_Handle* handle, double seconds);
 
 /**
  * Reads a sound into a buffer for drawing at a specific sampling rate.
@@ -101,7 +101,7 @@ extern AUD_API const char* AUD_mixdown_per_channel(AUD_Sound* sound, unsigned in
  * \param start The start time of the mixdown in the sound scene.
  * \return The read device for the mixdown.
  */
-extern AUD_API AUD_Device* AUD_openMixdownDevice(AUD_DeviceSpecs specs, AUD_Sound* sequencer, float volume, float start);
+extern AUD_API AUD_Device* AUD_openMixdownDevice(AUD_DeviceSpecs specs, AUD_Sound* sequencer, float volume, double start);
 
 /**
  * Initializes audio routines (FFMPEG/JACK if it is enabled).

extern/audaspace/bindings/doc/device.rst

@@ -4,4 +4,5 @@ Device
 .. currentmodule:: aud
 .. autoclass:: Device
    :members:
+   :noindex:
 

extern/audaspace/bindings/doc/handle.rst

@@ -4,4 +4,5 @@ Handle
 .. currentmodule:: aud
 .. autoclass:: Handle
    :members:
+   :noindex:
 

extern/audaspace/bindings/doc/index.rst

@@ -7,6 +7,7 @@ Welcome to audaspace's documentation!
 =====================================
 
 .. automodule:: aud
+   :no-members:
 
 This documentation is valid for both the Python and C bindings of audaspace. If you are looking for installation instructions check the `C++ API documentation <../index.html>`_. As C is not an object oriented language everything is accessible via functions where the first paramter is always the object. For methods these are named as ``AUD_ClassName_method()`` and properties are accessed via ``AUD_ClassName_property_get/set()``. Python users simply ``import aud`` to access the library.
 
@@ -18,7 +19,7 @@ This documentation is valid for both the Python and C bindings of audaspace. If
 Classes:
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 1
 
    device
    sound

extern/audaspace/bindings/doc/sequence.rst

@@ -4,4 +4,5 @@ Sequence
 .. currentmodule:: aud
 .. autoclass:: Sequence
    :members:
+   :noindex:
 

extern/audaspace/bindings/doc/sequence_entry.rst

@@ -4,4 +4,5 @@ Sequence Entry
 .. currentmodule:: aud
 .. autoclass:: SequenceEntry
    :members:
+   :noindex:
 

extern/audaspace/bindings/doc/sound.rst

@@ -4,4 +4,5 @@ Sound
 .. currentmodule:: aud
 .. autoclass:: Sound
    :members:
+   :noindex:
 

extern/audaspace/bindings/doc/tutorials.rst

@@ -40,7 +40,7 @@ and create a :func:`aud.Sound.sine` signal with a frequency of 440 Hz.
    sine = aud.Sound.sine(440)
 
 .. note:: At this point nothing is playing back yet,
-:class:`aud.Sound` objects are just descriptions of sounds.
+   :class:`aud.Sound` objects are just descriptions of sounds.
 
 However instead of a sine wave, we would like to have a square wave
 to produce a more retro gaming sound. We could of course use the

extern/audaspace/bindings/python/PyDynamicMusic.cpp

@@ -228,9 +228,9 @@ PyDoc_STRVAR(M_aud_DynamicMusic_position_doc,
 static int
 DynamicMusic_set_position(DynamicMusicP* self, PyObject* args, void* nothing)
 {
-	float position;
+	double position;
 
-	if(!PyArg_Parse(args, "f:position", &position))
+	if(!PyArg_Parse(args, "d:position", &position))
 		return -1;
 
 	try
@@ -252,7 +252,7 @@ DynamicMusic_get_position(DynamicMusicP* self, void* nothing)
 {
 	try
 	{
-		return Py_BuildValue("f", (*reinterpret_cast<std::shared_ptr<aud::DynamicMusic>*>(self->dynamicMusic))->getPosition());
+		return Py_BuildValue("d", (*reinterpret_cast<std::shared_ptr<aud::DynamicMusic>*>(self->dynamicMusic))->getPosition());
 	}
 	catch(aud::Exception& e)
 	{

extern/audaspace/bindings/python/PyHandle.cpp

@@ -696,7 +696,7 @@ Handle_get_position(Handle* self, void* nothing)
 {
 	try
 	{
-		return Py_BuildValue("f", (*reinterpret_cast<std::shared_ptr<IHandle>*>(self->handle))->getPosition());
+		return Py_BuildValue("d", (*reinterpret_cast<std::shared_ptr<IHandle>*>(self->handle))->getPosition());
 	}
 	catch(Exception& e)
 	{
@@ -708,9 +708,9 @@ Handle_get_position(Handle* self, void* nothing)
 static int
 Handle_set_position(Handle* self, PyObject* args, void* nothing)
 {
-	float position;
+	double position;
 
-	if(!PyArg_Parse(args, "f:position", &position))
+	if(!PyArg_Parse(args, "d:position", &position))
 		return -1;
 
 	try

extern/audaspace/bindings/python/PySequence.cpp

@@ -104,11 +104,11 @@ PyDoc_STRVAR(M_aud_Sequence_add_doc,
 			 "   :arg sound: The sound this entry should play.\n"
 			 "   :type sound: :class:`Sound`\n"
 			 "   :arg begin: The start time.\n"
-			 "   :type begin: float\n"
+			 "   :type begin: double\n"
 			 "   :arg end: The end time or a negative value if determined by the sound.\n"
-			 "   :type end: float\n"
+			 "   :type end: double\n"
 			 "   :arg skip: How much seconds should be skipped at the beginning.\n"
-			 "   :type skip: float\n"
+			 "   :type skip: double\n"
 			 "   :return: The entry added.\n"
 			 "   :rtype: :class:`SequenceEntry`");
 
@@ -116,13 +116,13 @@ static PyObject *
 Sequence_add(Sequence* self, PyObject* args, PyObject* kwds)
 {
 	PyObject* object;
-	float begin;
+	double begin;
-	float end = -1.0f;
+	double end = -1.0;
-	float skip = 0.0f;
+	double skip = 0.0;
 
 	static const char* kwlist[] = {"sound", "begin", "end", "skip", nullptr};
 
-	if(!PyArg_ParseTupleAndKeywords(args, kwds, "Of|ff:add", const_cast<char**>(kwlist), &object, &begin, &end, &skip))
+	if(!PyArg_ParseTupleAndKeywords(args, kwds, "Od|dd:add", const_cast<char**>(kwlist), &object, &begin, &end, &skip))
 		return nullptr;
 
 	Sound* sound = checkSound(object);

extern/audaspace/bindings/python/PySequenceEntry.cpp

@@ -46,18 +46,18 @@ PyDoc_STRVAR(M_aud_SequenceEntry_move_doc,
 			 ".. classmethod:: move()\n\n"
 			 "   Moves the entry.\n\n"
 			 "   :arg begin: The new start time.\n"
-			 "   :type begin: float\n"
+			 "   :type begin: double\n"
 			 "   :arg end: The new end time or a negative value if unknown.\n"
-			 "   :type end: float\n"
+			 "   :type end: double\n"
 			 "   :arg skip: How many seconds to skip at the beginning.\n"
-			 "   :type skip: float\n");
+			 "   :type skip: double\n");
 
 static PyObject *
 SequenceEntry_move(SequenceEntry* self, PyObject* args)
 {
-	float begin, end, skip;
+	double begin, end, skip;
 
-	if(!PyArg_ParseTuple(args, "fff:move", &begin, &end, &skip))
+	if(!PyArg_ParseTuple(args, "ddd:move", &begin, &end, &skip))
 		return nullptr;
 
 	try

extern/audaspace/bindings/python/PySound.cpp

@@ -1394,7 +1394,7 @@ PyDoc_STRVAR(M_aud_Sound_threshold_doc,
 			 "   with a amplitude >= threshold to 1, all <= -threshold to -1 and\n"
 			 "   all between to 0.\n\n"
 			 "   :arg threshold: Threshold value over which an amplitude counts\n"
-			 "      non-zero.\n"
+			 "      non-zero.\n\n"
 			 ":type threshold: float\n"
 			 ":return: The created :class:`Sound` object.\n"
 			 ":rtype: :class:`Sound`");
@@ -1434,7 +1434,8 @@ PyDoc_STRVAR(M_aud_Sound_volume_doc,
 			 "   :type volume: float\n"
 			 "   :return: The created :class:`Sound` object.\n"
 			 "   :rtype: :class:`Sound`\n\n"
-			 "   .. note:: Should be in the range [0, 1] to avoid clipping.\n\n"
+			 "   .. note::\n\n"
+			 "      Should be in the range [0, 1] to avoid clipping.\n\n"
 			 "   .. note::\n\n"
 			 "      This is a filter function, you might consider using\n"
 			 "      :attr:`Handle.volume` instead.");
@@ -1475,8 +1476,8 @@ PyDoc_STRVAR(M_aud_Sound_join_doc,
 			 "   :return: The created :class:`Sound` object.\n"
 			 "   :rtype: :class:`Sound`\n\n"
 			 "   .. note::\n\n"
-			 "   The two factories have to have the same specifications\n"
+			 "      The two factories have to have the same specifications\n"
-			 "   (channels and samplerate).");
+			 "      (channels and samplerate).");
 
 static PyObject *
 Sound_join(Sound* self, PyObject* object)

extern/audaspace/include/devices/DefaultSynchronizer.h

@@ -33,8 +33,8 @@ AUD_NAMESPACE_BEGIN
 class AUD_API DefaultSynchronizer : public ISynchronizer
 {
 public:
-	virtual void seek(std::shared_ptr<IHandle> handle, float time);
+	virtual void seek(std::shared_ptr<IHandle> handle, double time);
-	virtual float getPosition(std::shared_ptr<IHandle> handle);
+	virtual double getPosition(std::shared_ptr<IHandle> handle);
 	virtual void play();
 	virtual void stop();
 	virtual void setSyncCallback(syncFunction function, void* data);

extern/audaspace/include/devices/IDeviceFactory.h

@@ -35,6 +35,9 @@ AUD_NAMESPACE_BEGIN
 class AUD_API IDeviceFactory
 {
 public:
+	/**
+	 * Destroys the device factory.
+	 */
 	virtual ~IDeviceFactory() {}
 
 	/**

extern/audaspace/include/devices/IHandle.h

@@ -105,14 +105,14 @@ public:
 	 *        - false if the handle is invalid.
 	 * \warning Whether the seek works or not depends on the sound source.
 	 */
-	virtual bool seek(float position)=0;
+	virtual bool seek(double position)=0;
 
 	/**
 	 * Retrieves the current playback position of a sound.
 	 * \return The playback position in seconds, or 0.0 if the handle is
 	 *         invalid.
 	 */
-	virtual float getPosition()=0;
+	virtual double getPosition()=0;
 
 	/**
 	 * Returns the status of a played back sound.

extern/audaspace/include/devices/ISynchronizer.h

@@ -56,14 +56,14 @@ public:
 	 * @param handle The handle that should be synchronized/seeked.
 	 * @param time The absolute time to synchronize to.
 	 */
-	virtual void seek(std::shared_ptr<IHandle> handle, float time) = 0;
+	virtual void seek(std::shared_ptr<IHandle> handle, double time) = 0;
 
 	/**
 	 * Retrieves the position of the synchronizer.
 	 * @param handle The handle which is synchronized.
 	 * @return The position in seconds.
 	 */
-	virtual float getPosition(std::shared_ptr<IHandle> handle) = 0;
+	virtual double getPosition(std::shared_ptr<IHandle> handle) = 0;
 
 	/**
 	 * Starts the synchronizer playback.

extern/audaspace/include/devices/NULLDevice.h

@@ -53,8 +53,8 @@ private:
 		virtual bool stop();
 		virtual bool getKeep();
 		virtual bool setKeep(bool keep);
-		virtual bool seek(float position);
+		virtual bool seek(double position);
-		virtual float getPosition();
+		virtual double getPosition();
 		virtual Status getStatus();
 		virtual float getVolume();
 		virtual bool setVolume(float volume);

extern/audaspace/include/devices/SoftwareDevice.h

@@ -180,8 +180,8 @@ protected:
 		virtual bool stop();
 		virtual bool getKeep();
 		virtual bool setKeep(bool keep);
-		virtual bool seek(float position);
+		virtual bool seek(double position);
-		virtual float getPosition();
+		virtual double getPosition();
 		virtual Status getStatus();
 		virtual float getVolume();
 		virtual bool setVolume(float volume);

extern/audaspace/include/file/IFileInput.h

@@ -40,7 +40,10 @@ class Buffer;
 class AUD_API IFileInput
 {
 public:
-	virtual ~IFileInput() {};
+	/**
+	 * Destroys the file input.
+	 */
+	virtual ~IFileInput() {}
 
 	/**
 	 * Creates a reader for a file to be read.

extern/audaspace/include/fx/Delay.h

@@ -35,7 +35,7 @@ private:
 	/**
 	 * The delay in samples.
 	 */
-	const float m_delay;
+	const double m_delay;
 
 	// delete copy constructor and operator=
 	Delay(const Delay&) = delete;
@@ -47,12 +47,12 @@ public:
 	 * \param sound The input sound.
 	 * \param delay The desired delay in seconds.
 	 */
-	Delay(std::shared_ptr<ISound> sound, float delay = 0);
+	Delay(std::shared_ptr<ISound> sound, double delay = 0);
 
 	/**
 	 * Returns the delay in seconds.
 	 */
-	float getDelay() const;
+	double getDelay() const;
 
 	virtual std::shared_ptr<IReader> createReader();
 };

extern/audaspace/include/fx/DelayReader.h

@@ -52,7 +52,7 @@ public:
 	 * \param reader The reader to read from.
 	 * \param delay The delay in seconds.
 	 */
-	DelayReader(std::shared_ptr<IReader> reader, float delay);
+	DelayReader(std::shared_ptr<IReader> reader, double delay);
 
 	virtual void seek(int position);
 	virtual int getLength() const;

extern/audaspace/include/fx/DynamicMusic.h

@@ -55,7 +55,7 @@ private:
 	/**
 	* Length of the crossfade transition in seconds, used when no custom transition has been set.
 	*/
-	float m_fadeTime;
+	double m_fadeTime;
 
 	/**
 	* Handle to the playback of the current scene.
@@ -145,13 +145,13 @@ public:
 	* Sets the length of the crossfade transition (default 1 second).
 	* \param seconds The time in seconds.
 	*/
-	void setFadeTime(float seconds);
+	void setFadeTime(double seconds);
 
 	/**
 	* Gets the length of the crossfade transition (default 1 second).
 	* \return The length of the cressfade transition in seconds.
 	*/
-	float getFadeTime();
+	double getFadeTime();
 
 	/**
 	* Resumes a paused sound.
@@ -177,14 +177,14 @@ public:
 	*        - false if the handle is invalid.
 	* \warning Whether the seek works or not depends on the sound source.
 	*/
-	bool seek(float position); 
+	bool seek(double position);
 
 	/**
 	* Retrieves the current playback position of a sound.
 	* \return The playback position in seconds, or 0.0 if the handle is
 	*         invalid.
 	*/
-	float getPosition();
+	double getPosition();
 
 	/**
 	* Retrieves the volume of the scenes.

extern/audaspace/include/fx/Fader.h

@@ -43,12 +43,12 @@ private:
 	/**
 	 * The fading start.
 	 */
-	const float m_start;
+	const double m_start;
 
 	/**
 	 * The fading length.
 	 */
-	const float m_length;
+	const double m_length;
 
 	// delete copy constructor and operator=
 	Fader(const Fader&) = delete;
@@ -64,7 +64,7 @@ public:
 	 */
 	Fader(std::shared_ptr<ISound> sound,
 	                 FadeType type = FADE_IN,
-	                 float start = 0.0f, float length = 1.0f);
+					 double start = 0, double length = 1);
 
 	/**
 	 * Returns the fading type.
@@ -74,12 +74,12 @@ public:
 	/**
 	 * Returns the fading start.
 	 */
-	float getStart() const;
+	double getStart() const;
 
 	/**
 	 * Returns the fading length.
 	 */
-	float getLength() const;
+	double getLength() const;
 
 	virtual std::shared_ptr<IReader> createReader();
 };

extern/audaspace/include/fx/FaderReader.h

@@ -49,12 +49,12 @@ private:
 	/**
 	 * The fading start.
 	 */
-	const float m_start;
+	const double m_start;
 
 	/**
 	 * The fading length.
 	 */
-	const float m_length;
+	const double m_length;
 
 	// delete copy constructor and operator=
 	FaderReader(const FaderReader&) = delete;
@@ -69,7 +69,7 @@ public:
 	 * \param length How long fading should last in seconds.
 	 */
 	FaderReader(std::shared_ptr<IReader> reader, FadeType type,
-					float start,float length);
+					double start,double length);
 
 	virtual void read(int& length, bool& eos, sample_t* buffer);
 };

extern/audaspace/include/fx/Limiter.h

@@ -35,12 +35,12 @@ private:
 	/**
 	 * The start time.
 	 */
-	const float m_start;
+	const double m_start;
 
 	/**
 	 * The end time.
 	 */
-	const float m_end;
+	const double m_end;
 
 	// delete copy constructor and operator=
 	Limiter(const Limiter&) = delete;
@@ -55,17 +55,17 @@ public:
 	 *            play to the end.
 	 */
 	Limiter(std::shared_ptr<ISound> sound,
-					   float start = 0, float end = -1);
+					   double start = 0, double end = -1);
 
 	/**
 	 * Returns the start time.
 	 */
-	float getStart() const;
+	double getStart() const;
 
 	/**
 	 * Returns the end time.
 	 */
-	float getEnd() const;
+	double getEnd() const;
 
 	virtual std::shared_ptr<IReader> createReader();
 };

extern/audaspace/include/fx/LimiterReader.h

@@ -35,12 +35,12 @@ private:
 	/**
 	 * The start sample: inclusive.
 	 */
-	const float m_start;
+	const double m_start;
 
 	/**
 	 * The end sample: exlusive.
 	 */
-	const float m_end;
+	const double m_end;
 
 	// delete copy constructor and operator=
 	LimiterReader(const LimiterReader&) = delete;
@@ -54,7 +54,7 @@ public:
 	 * \param end The desired end time (sample exklusive), a negative value
 	 *            signals that it should play to the end.
 	 */
-	LimiterReader(std::shared_ptr<IReader> reader, float start = 0, float end = -1);
+	LimiterReader(std::shared_ptr<IReader> reader, double start = 0, double end = -1);
 
 	virtual void seek(int position);
 	virtual int getLength() const;

extern/audaspace/include/sequence/Sequence.h

@@ -151,7 +151,7 @@ public:
 	 * \param skip How much seconds should be skipped at the beginning.
 	 * \return The entry added.
 	 */
-	std::shared_ptr<SequenceEntry> add(std::shared_ptr<ISound> sound, float begin, float end, float skip);
+	std::shared_ptr<SequenceEntry> add(std::shared_ptr<ISound> sound, double begin, double end, double skip);
 
 	/**
 	 * Removes an entry from the scene.

extern/audaspace/include/sequence/SequenceData.h

@@ -203,7 +203,7 @@ public:
 	 * \param skip How much seconds should be skipped at the beginning.
 	 * \return The entry added.
 	 */
-	std::shared_ptr<SequenceEntry> add(std::shared_ptr<ISound> sound, float begin, float end, float skip);
+	std::shared_ptr<SequenceEntry> add(std::shared_ptr<ISound> sound, double begin, double end, double skip);
 
 	/**
 	 * Removes an entry from the scene.

extern/audaspace/include/sequence/SequenceEntry.h

@@ -55,13 +55,13 @@ private:
 	std::shared_ptr<ISound> m_sound;
 
 	/// The begin time.
-	float m_begin;
+	double m_begin;
 
 	/// The end time.
-	float m_end;
+	double m_end;
 
 	/// How many seconds are skipped at the beginning.
-	float m_skip;
+	double m_skip;
 
 	/// Whether the entry is muted.
 	bool m_muted;
@@ -124,7 +124,7 @@ public:
 	 * \param skip How much seconds should be skipped at the beginning.
 	 * \param id The ID of the entry.
 	 */
-	SequenceEntry(std::shared_ptr<ISound> sound, float begin, float end, float skip, int id);
+	SequenceEntry(std::shared_ptr<ISound> sound, double begin, double end, double skip, int id);
 	virtual ~SequenceEntry();
 
 	/**
@@ -155,7 +155,7 @@ public:
 	 * \param end The new end time or a negative value if unknown.
 	 * \param skip How many seconds to skip at the beginning.
 	 */
-	void move(float begin, float end, float skip);
+	void move(double begin, double end, double skip);
 
 	/**
 	 * Retrieves the muting state of the entry.

extern/audaspace/plugins/jack/JackDevice.cpp

@@ -292,7 +292,7 @@ void JackDevice::stopPlayback()
 	m_nextState = JackTransportStopped;
 }
 
-void JackDevice::seekPlayback(float time)
+void JackDevice::seekPlayback(double time)
 {
 	if(time >= 0.0f)
 		AUD_jack_transport_locate(m_client, time * m_specs.rate);
@@ -304,11 +304,11 @@ void JackDevice::setSyncCallback(ISynchronizer::syncFunction sync, void* data)
 	m_syncFuncData = data;
 }
 
-float JackDevice::getPlaybackPosition()
+double JackDevice::getPlaybackPosition()
 {
 	jack_position_t position;
 	AUD_jack_transport_query(m_client, &position);
-	return position.frame / (float) m_specs.rate;
+	return position.frame / (double) m_specs.rate;
 }
 
 bool JackDevice::doesPlayback()

extern/audaspace/plugins/jack/JackDevice.h

@@ -174,7 +174,7 @@ public:
 	 * Seeks jack transport playback.
 	 * \param time The time to seek to.
 	 */
-	void seekPlayback(float time);
+	void seekPlayback(double time);
 
 	/**
 	 * Sets the sync callback for jack transport playback.
@@ -187,7 +187,7 @@ public:
 	 * Retrieves the jack transport playback time.
 	 * \return The current time position.
 	 */
-	float getPlaybackPosition();
+	double getPlaybackPosition();
 
 	/**
 	 * Returns whether jack transport plays back.

extern/audaspace/plugins/jack/JackSynchronizer.cpp

@@ -25,12 +25,12 @@ JackSynchronizer::JackSynchronizer(JackDevice* device) :
 {
 }
 
-void JackSynchronizer::seek(std::shared_ptr<IHandle> handle, float time)
+void JackSynchronizer::seek(std::shared_ptr<IHandle> handle, double time)
 {
 	m_device->seekPlayback(time);
 }
 
-float JackSynchronizer::getPosition(std::shared_ptr<IHandle> handle)
+double JackSynchronizer::getPosition(std::shared_ptr<IHandle> handle)
 {
 	return m_device->getPlaybackPosition();
 }

extern/audaspace/plugins/jack/JackSynchronizer.h

@@ -48,8 +48,8 @@ public:
 	 */
 	JackSynchronizer(JackDevice* device);
 
-	virtual void seek(std::shared_ptr<IHandle> handle, float time);
+	virtual void seek(std::shared_ptr<IHandle> handle, double time);
-	virtual float getPosition(std::shared_ptr<IHandle> handle);
+	virtual double getPosition(std::shared_ptr<IHandle> handle);
 	virtual void play();
 	virtual void stop();
 	virtual void setSyncCallback(syncFunction function, void* data);

extern/audaspace/plugins/openal/OpenALDevice.cpp

@@ -269,7 +269,7 @@ bool OpenALDevice::OpenALHandle::setKeep(bool keep)
 	return true;
 }
 
-bool OpenALDevice::OpenALHandle::seek(float position)
+bool OpenALDevice::OpenALHandle::seek(double position)
 {
 	if(!m_status)
 		return false;
@@ -335,7 +335,7 @@ bool OpenALDevice::OpenALHandle::seek(float position)
 	return true;
 }
 
-float OpenALDevice::OpenALHandle::getPosition()
+double OpenALDevice::OpenALHandle::getPosition()
 {
 	if(!m_status)
 		return false;

extern/audaspace/plugins/openal/OpenALDevice.h

@@ -126,8 +126,8 @@ private:
 		virtual bool stop();
 		virtual bool getKeep();
 		virtual bool setKeep(bool keep);
-		virtual bool seek(float position);
+		virtual bool seek(double position);
-		virtual float getPosition();
+		virtual double getPosition();
 		virtual Status getStatus();
 		virtual float getVolume();
 		virtual bool setVolume(float volume);

extern/audaspace/src/devices/DefaultSynchronizer.cpp

@@ -19,12 +19,12 @@
 
 AUD_NAMESPACE_BEGIN
 
-void DefaultSynchronizer::seek(std::shared_ptr<IHandle> handle, float time)
+void DefaultSynchronizer::seek(std::shared_ptr<IHandle> handle, double time)
 {
 	handle->seek(time);
 }
 
-float DefaultSynchronizer::getPosition(std::shared_ptr<IHandle> handle)
+double DefaultSynchronizer::getPosition(std::shared_ptr<IHandle> handle)
 {
 	return handle->getPosition();
 }

extern/audaspace/src/devices/NULLDevice.cpp

@@ -52,12 +52,12 @@ bool NULLDevice::NULLHandle::setKeep(bool keep)
 	return false;
 }
 
-bool NULLDevice::NULLHandle::seek(float position)
+bool NULLDevice::NULLHandle::seek(double position)
 {
 	return false;
 }
 
-float NULLDevice::NULLHandle::getPosition()
+double NULLDevice::NULLHandle::getPosition()
 {
 	return std::numeric_limits<float>::quiet_NaN();
 }

extern/audaspace/src/devices/SoftwareDevice.cpp

@@ -347,7 +347,7 @@ bool SoftwareDevice::SoftwareHandle::setKeep(bool keep)
 	return true;
 }
 
-bool SoftwareDevice::SoftwareHandle::seek(float position)
+bool SoftwareDevice::SoftwareHandle::seek(double position)
 {
 	if(!m_status)
 		return false;
@@ -366,7 +366,7 @@ bool SoftwareDevice::SoftwareHandle::seek(float position)
 	return true;
 }
 
-float SoftwareDevice::SoftwareHandle::getPosition()
+double SoftwareDevice::SoftwareHandle::getPosition()
 {
 	if(!m_status)
 		return false;
@@ -376,7 +376,7 @@ float SoftwareDevice::SoftwareHandle::getPosition()
 	if(!m_status)
 		return 0.0f;
 
-	float position = m_reader->getPosition() / (float)m_device->m_specs.rate;
+	double position = m_reader->getPosition() / (double)m_device->m_specs.rate;
 
 	return position;
 }

extern/audaspace/src/fx/Delay.cpp

@@ -19,13 +19,13 @@
 
 AUD_NAMESPACE_BEGIN
 
-Delay::Delay(std::shared_ptr<ISound> sound, float delay) :
+Delay::Delay(std::shared_ptr<ISound> sound, double delay) :
 	Effect(sound),
 	m_delay(delay)
 {
 }
 
-float Delay::getDelay() const
+double Delay::getDelay() const
 {
 	return m_delay;
 }

extern/audaspace/src/fx/DelayReader.cpp

@@ -20,7 +20,7 @@
 
 AUD_NAMESPACE_BEGIN
 
-DelayReader::DelayReader(std::shared_ptr<IReader> reader, float delay) :
+DelayReader::DelayReader(std::shared_ptr<IReader> reader, double delay) :
 	EffectReader(reader),
 	m_delay(int((SampleRate)delay * reader->getSpecs().rate)),
 	m_remdelay(int((SampleRate)delay * reader->getSpecs().rate))

extern/audaspace/src/fx/DynamicMusic.cpp

@@ -133,14 +133,14 @@ bool DynamicMusic::addTransition(int init, int end, std::shared_ptr<ISound> soun
 	return false;
 }
 
-void DynamicMusic::setFadeTime(float seconds)
+void DynamicMusic::setFadeTime(double seconds)
 {
 	m_device->lock();
 	m_fadeTime = seconds;
 	m_device->unlock();
 }
 
-float DynamicMusic::getFadeTime()
+double DynamicMusic::getFadeTime()
 {
 	return m_fadeTime;
 }
@@ -169,7 +169,7 @@ bool DynamicMusic::pause()
 	return result || resultTrans;
 }
 
-bool DynamicMusic::seek(float position)
+bool DynamicMusic::seek(double position)
 {
 	bool result = false;
 
@@ -183,9 +183,9 @@ bool DynamicMusic::seek(float position)
 	return result;
 }
 
-float DynamicMusic::getPosition()
+double DynamicMusic::getPosition()
 {
-	float result = 0.0f;
+	double result = 0.0f;
 
 	if(m_currentHandle != nullptr)
 		result = m_currentHandle->getPosition();

extern/audaspace/src/fx/Fader.cpp

@@ -18,7 +18,7 @@
 
 AUD_NAMESPACE_BEGIN
 
-Fader::Fader(std::shared_ptr<ISound> sound, FadeType type, float start, float length) :
+Fader::Fader(std::shared_ptr<ISound> sound, FadeType type, double start, double length) :
 		Effect(sound),
 		m_type(type),
 		m_start(start),
@@ -31,12 +31,12 @@ FadeType Fader::getType() const
 	return m_type;
 }
 
-float Fader::getStart() const
+double Fader::getStart() const
 {
 	return m_start;
 }
 
-float Fader::getLength() const
+double Fader::getLength() const
 {
 	return m_length;
 }

extern/audaspace/src/fx/FaderReader.cpp

@@ -20,7 +20,7 @@
 
 AUD_NAMESPACE_BEGIN
 
-FaderReader::FaderReader(std::shared_ptr<IReader> reader, FadeType type, float start,float length) :
+FaderReader::FaderReader(std::shared_ptr<IReader> reader, FadeType type, double start, double length) :
 		EffectReader(reader),
 		m_type(type),
 		m_start(start),
@@ -36,14 +36,14 @@ void FaderReader::read(int& length, bool& eos, sample_t* buffer)
 
 	m_reader->read(length, eos, buffer);
 
-	if((position + length) / (float)specs.rate <= m_start)
+	if((position + length) / specs.rate <= m_start)
 	{
 		if(m_type != FADE_OUT)
 		{
 			std::memset(buffer, 0, length * samplesize);
 		}
 	}
-	else if(position / (float)specs.rate >= m_start+m_length)
+	else if(position / specs.rate >= m_start+m_length)
 	{
 		if(m_type == FADE_OUT)
 		{
@@ -58,7 +58,7 @@ void FaderReader::read(int& length, bool& eos, sample_t* buffer)
 		{
 			if(i % specs.channels == 0)
 			{
-				volume = (((position+i)/(float)specs.rate)-m_start) / m_length;
+				volume = float((((position + i) / specs.rate) - m_start) / m_length);
 				if(volume > 1.0f)
 					volume = 1.0f;
 				else if(volume < 0.0f)

extern/audaspace/src/fx/Limiter.cpp

@@ -20,19 +20,19 @@
 AUD_NAMESPACE_BEGIN
 
 Limiter::Limiter(std::shared_ptr<ISound> sound,
-									   float start, float end) :
+									   double start, double end) :
 		Effect(sound),
 		m_start(start),
 		m_end(end)
 {
 }
 
-float Limiter::getStart() const
+double Limiter::getStart() const
 {
 	return m_start;
 }
 
-float Limiter::getEnd() const
+double Limiter::getEnd() const
 {
 	return m_end;
 }

extern/audaspace/src/fx/LimiterReader.cpp

@@ -21,7 +21,7 @@
 
 AUD_NAMESPACE_BEGIN
 
-LimiterReader::LimiterReader(std::shared_ptr<IReader> reader, float start, float end) :
+LimiterReader::LimiterReader(std::shared_ptr<IReader> reader, double start, double end) :
 		EffectReader(reader),
 		m_start(start),
 		m_end(end)

extern/audaspace/src/respec/ChannelMapperReader.cpp

@@ -16,9 +16,9 @@
 
 #include "respec/ChannelMapperReader.h"
 
+#include <algorithm>
 #include <cmath>
 #include <limits>
-#include <algorithm>
 
 AUD_NAMESPACE_BEGIN
 

extern/audaspace/src/respec/Mixer.cpp

@@ -66,11 +66,11 @@ void Mixer::setSpecs(Specs specs)
 
 void Mixer::clear(int length)
 {
-	m_buffer.assureSize(length * m_specs.channels * AUD_SAMPLE_SIZE(m_specs));
+	m_buffer.assureSize(length * AUD_SAMPLE_SIZE(m_specs));
 
 	m_length = length;
 
-	std::memset(m_buffer.getBuffer(), 0, length * m_specs.channels * AUD_SAMPLE_SIZE(m_specs));
+	std::memset(m_buffer.getBuffer(), 0, length * AUD_SAMPLE_SIZE(m_specs));
 }
 
 void Mixer::mix(sample_t* buffer, int start, int length, float volume)

extern/audaspace/src/sequence/Sequence.cpp

@@ -90,7 +90,7 @@ AnimateableProperty* Sequence::getAnimProperty(AnimateablePropertyType type)
 	return m_sequence->getAnimProperty(type);
 }
 
-std::shared_ptr<SequenceEntry> Sequence::add(std::shared_ptr<ISound> sound, float begin, float end, float skip)
+std::shared_ptr<SequenceEntry> Sequence::add(std::shared_ptr<ISound> sound, double begin, double end, double skip)
 {
 	return m_sequence->add(sound, begin, end, skip);
 }

extern/audaspace/src/sequence/SequenceData.cpp

@@ -149,7 +149,7 @@ AnimateableProperty* SequenceData::getAnimProperty(AnimateablePropertyType type)
 	}
 }
 
-std::shared_ptr<SequenceEntry> SequenceData::add(std::shared_ptr<ISound> sound, float begin, float end, float skip)
+std::shared_ptr<SequenceEntry> SequenceData::add(std::shared_ptr<ISound> sound, double begin, double end, double skip)
 {
 	std::lock_guard<std::recursive_mutex> lock(m_mutex);
 

extern/audaspace/src/sequence/SequenceEntry.cpp

@@ -22,7 +22,7 @@
 
 AUD_NAMESPACE_BEGIN
 
-SequenceEntry::SequenceEntry(std::shared_ptr<ISound> sound, float begin, float end, float skip, int id) :
+SequenceEntry::SequenceEntry(std::shared_ptr<ISound> sound, double begin, double end, double skip, int id) :
 	m_status(0),
 	m_pos_status(1),
 	m_sound_status(0),
@@ -84,7 +84,7 @@ void SequenceEntry::setSound(std::shared_ptr<ISound> sound)
 	}
 }
 
-void SequenceEntry::move(float begin, float end, float skip)
+void SequenceEntry::move(double begin, double end, double skip)
 {
 	std::lock_guard<std::recursive_mutex> lock(m_mutex);
 

extern/audaspace/src/sequence/SequenceHandle.cpp

@@ -57,7 +57,7 @@ void SequenceHandle::start()
 	m_valid = m_handle.get();
 }
 
-bool SequenceHandle::updatePosition(float position)
+bool SequenceHandle::updatePosition(double position)
 {
 	std::lock_guard<ILockable> lock(*m_entry);
 
@@ -140,7 +140,7 @@ void SequenceHandle::stop()
 	m_3dhandle = nullptr;
 }
 
-void SequenceHandle::update(float position, float frame, float fps)
+void SequenceHandle::update(double position, float frame, float fps)
 {
 	if(m_sound_status != m_entry->m_sound_status)
 	{
@@ -229,7 +229,7 @@ void SequenceHandle::update(float position, float frame, float fps)
 		m_handle->setVolume(0);
 }
 
-bool SequenceHandle::seek(float position)
+bool SequenceHandle::seek(double position)
 {
 	if(!m_valid)
 		// sound not valid, aborting
@@ -240,7 +240,7 @@ bool SequenceHandle::seek(float position)
 		return false;
 
 	std::lock_guard<ILockable> lock(*m_entry);
-	float seekpos = position - m_entry->m_begin;
+	double seekpos = position - m_entry->m_begin;
 	if(seekpos < 0)
 		seekpos = 0;
 	seekpos += m_entry->m_skip;

extern/audaspace/src/sequence/SequenceHandle.h

@@ -71,7 +71,7 @@ private:
 	 * \param position Current playback position in seconds.
 	 * \return Whether the handle is valid.
 	 */
-	bool updatePosition(float position);
+	bool updatePosition(double position);
 
 public:
 	/**
@@ -104,14 +104,14 @@ public:
 	 * \param frame The current frame during playback.
 	 * \param fps The animation frames per second.
 	 */
-	void update(float position, float frame, float fps);
+	void update(double position, float frame, float fps);
 
 	/**
 	 * Seeks the handle to a specific time position.
 	 * \param position The time to seek to.
 	 * \return Whether the handle is valid.
 	 */
-	bool seek(float position);
+	bool seek(double position);
 };
 
 AUD_NAMESPACE_END

extern/audaspace/src/sequence/SequenceReader.cpp

@@ -49,7 +49,7 @@ void SequenceReader::seek(int position)
 
 	for(auto& handle : m_handles)
 	{
-		handle->seek(position / m_sequence->m_specs.rate);
+		handle->seek(position / (double)m_sequence->m_specs.rate);
 	}
 }
 
@@ -150,13 +150,12 @@ void SequenceReader::read(int& length, bool& eos, sample_t* buffer)
 
 	Specs specs = m_sequence->m_specs;
 	int pos = 0;
-	float time = float(m_position) / float(specs.rate);
+	double time = double(m_position) / double(specs.rate);
 	float volume, frame;
 	int len, cfra;
 	Vector3 v, v2;
 	Quaternion q;
 
-
 	while(pos < length)
 	{
 		frame = time * m_sequence->m_fps;
@@ -187,7 +186,7 @@ void SequenceReader::read(int& length, bool& eos, sample_t* buffer)
 		m_device.read(reinterpret_cast<data_t*>(buffer + specs.channels * pos), len);
 
 		pos += len;
-		time += float(len) / float(specs.rate);
+		time += double(len) / double(specs.rate);
 	}
 
 	m_position += length;

source/blender/blenkernel/BKE_sound.h

@@ -164,7 +164,7 @@ void BKE_sound_stop_scene(struct Scene *scene);
 
 void BKE_sound_seek_scene(struct Main *bmain, struct Scene *scene);
 
-float BKE_sound_sync_scene(struct Scene *scene);
+double BKE_sound_sync_scene(struct Scene *scene);
 
 int BKE_sound_scene_playing(struct Scene *scene);
 
@@ -180,10 +180,10 @@ float BKE_sound_get_length(struct Main *bmain, struct bSound *sound);
 
 char **BKE_sound_get_device_names(void);
 
-typedef void (*SoundJackSyncCallback)(struct Main *bmain, int mode, float time);
+typedef void (*SoundJackSyncCallback)(struct Main *bmain, int mode, double time);
 
 void BKE_sound_jack_sync_callback_set(SoundJackSyncCallback callback);
-void BKE_sound_jack_scene_update(struct Scene *scene, int mode, float time);
+void BKE_sound_jack_scene_update(struct Scene *scene, int mode, double time);
 
 /* Dependency graph evaluation. */
 

source/blender/blenkernel/intern/sound.c

@@ -751,12 +751,12 @@ static void sound_start_play_scene(Scene *scene)
   }
 }
 
-static float get_cur_time(Scene *scene)
+static double get_cur_time(Scene *scene)
 {
   /* We divide by the current framelen to take into account time remapping.
    * Otherwise we will get the wrong starting time which will break A/V sync.
    * See T74111 for further details. */
-  return FRA2TIME((CFRA + SUBFRA) / scene->r.framelen);
+  return FRA2TIME((CFRA + SUBFRA) / (double)scene->r.framelen);
 }
 
 void BKE_sound_play_scene(Scene *scene)
@@ -764,7 +764,7 @@ void BKE_sound_play_scene(Scene *scene)
   sound_verify_evaluated_id(&scene->id);
 
   AUD_Status status;
-  const float cur_time = get_cur_time(scene);
+  const double cur_time = get_cur_time(scene);
 
   AUD_Device_lock(sound_device);
 
@@ -811,8 +811,8 @@ void BKE_sound_seek_scene(Main *bmain, Scene *scene)
   bScreen *screen;
   int animation_playing;
 
-  const float one_frame = (float)(1.0 / FPS);
+  const double one_frame = 1.0 / FPS;
-  const float cur_time = FRA2TIME(CFRA);
+  const double cur_time = FRA2TIME(CFRA);
 
   AUD_Device_lock(sound_device);
 
@@ -869,7 +869,7 @@ void BKE_sound_seek_scene(Main *bmain, Scene *scene)
   AUD_Device_unlock(sound_device);
 }
 
-float BKE_sound_sync_scene(Scene *scene)
+double BKE_sound_sync_scene(Scene *scene)
 {
   sound_verify_evaluated_id(&scene->id);
 
@@ -1230,7 +1230,7 @@ void BKE_sound_stop_scene(Scene *UNUSED(scene))
 void BKE_sound_seek_scene(Main *UNUSED(bmain), Scene *UNUSED(scene))
 {
 }
-float BKE_sound_sync_scene(Scene *UNUSED(scene))
+double BKE_sound_sync_scene(Scene *UNUSED(scene))
 {
   return NAN_FLT;
 }
@@ -1341,7 +1341,7 @@ void BKE_sound_jack_sync_callback_set(SoundJackSyncCallback callback)
 #endif
 }
 
-void BKE_sound_jack_scene_update(Scene *scene, int mode, float time)
+void BKE_sound_jack_scene_update(Scene *scene, int mode, double time)
 {
   sound_verify_evaluated_id(&scene->id);
 

source/blender/editors/screen/screen_ops.c

@@ -4388,7 +4388,7 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
     wmWindow *window;
     ScrArea *area;
     int sync;
-    float time;
+    double time;
 
     /* sync, don't sync, or follow scene setting */
     if (sad->flag & ANIMPLAY_FLAG_SYNC) {
@@ -4411,7 +4411,7 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
     }
     else if ((scene->audio.flag & AUDIO_SYNC) && (sad->flag & ANIMPLAY_FLAG_REVERSE) == false &&
              isfinite(time = BKE_sound_sync_scene(scene_eval))) {
-      double newfra = (double)time * FPS;
+      double newfra = time * FPS;
 
       /* give some space here to avoid jumps */
       if (newfra + 0.5 > scene->r.cfra && newfra - 0.5 < scene->r.cfra) {

source/blender/windowmanager/intern/wm_event_system.c

@@ -3170,9 +3170,9 @@ void wm_event_do_handlers(bContext *C)
           }
 
           if (is_playing_sound == 0) {
-            const float time = BKE_sound_sync_scene(scene_eval);
+            const double time = BKE_sound_sync_scene(scene_eval);
             if (isfinite(time)) {
-              int ncfra = time * (float)FPS + 0.5f;
+              int ncfra = time * FPS + 0.5;
               if (ncfra != scene->r.cfra) {
                 scene->r.cfra = ncfra;
                 ED_update_for_newframe(CTX_data_main(C), depsgraph);

source/blender/windowmanager/intern/wm_init_exit.c

@@ -199,7 +199,7 @@ void WM_init_opengl(Main *bmain)
   opengl_is_init = true;
 }
 
-static void sound_jack_sync_callback(Main *bmain, int mode, float time)
+static void sound_jack_sync_callback(Main *bmain, int mode, double time)
 {
   /* Ugly: Blender doesn't like it when the animation is played back during rendering. */
   if (G.is_rendering) {