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Add AudioStreamPlayerInternal to unify stream players

This commit is contained in:
kobewi 2024-01-10 21:48:16 +01:00
parent 107f2961cc
commit 0c7db3cdad
8 changed files with 583 additions and 718 deletions
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262
scene/2d/audio_stream_player_2d.cpp
View File

@ -33,86 +33,48 @@
#include "core/config/project_settings.h"
#include "scene/2d/area_2d.h"
#include "scene/2d/audio_listener_2d.h"
#include "scene/main/window.h"
#include "scene/audio/audio_stream_player_internal.h"
#include "scene/main/viewport.h"
#include "scene/resources/world_2d.h"
#define PARAM_PREFIX "parameters/"
#include "scene/scene_string_names.h"
#include "servers/audio/audio_stream.h"
#include "servers/audio_server.h"
void AudioStreamPlayer2D::_notification(int p_what) {
internal->notification(p_what);
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
AudioServer::get_singleton()->add_listener_changed_callback(_listener_changed_cb, this);
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
play();
}
set_stream_paused(!can_process());
} break;
case NOTIFICATION_EXIT_TREE: {
set_stream_paused(true);
AudioServer::get_singleton()->remove_listener_changed_callback(_listener_changed_cb, this);
} break;
case NOTIFICATION_PREDELETE: {
stop();
} break;
case NOTIFICATION_PAUSED: {
if (!can_process()) {
// Node can't process so we start fading out to silence.
set_stream_paused(true);
}
} break;
case NOTIFICATION_UNPAUSED: {
set_stream_paused(false);
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
// Update anything related to position first, if possible of course.
if (setplay.get() > 0 || (active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count()) || force_update_panning) {
if (setplay.get() > 0 || (internal->active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count()) || force_update_panning) {
force_update_panning = false;
_update_panning();
}
if (setplayback.is_valid() && setplay.get() >= 0) {
active.set();
AudioServer::get_singleton()->start_playback_stream(setplayback, _get_actual_bus(), volume_vector, setplay.get(), pitch_scale);
internal->active.set();
AudioServer::get_singleton()->start_playback_stream(setplayback, _get_actual_bus(), volume_vector, setplay.get(), internal->pitch_scale);
setplayback.unref();
setplay.set(-1);
}
if (!stream_playbacks.is_empty() && active.is_set()) {
// Stop playing if no longer active.
Vector<Ref<AudioStreamPlayback>> playbacks_to_remove;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) {
playbacks_to_remove.push_back(playback);
}
}
// Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble.
for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) {
stream_playbacks.erase(playback);
}
if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) {
// This node is no longer actively playing audio.
active.clear();
set_physics_process_internal(false);
}
if (!playbacks_to_remove.is_empty()) {
emit_signal(SNAME("finished"));
}
}
while (stream_playbacks.size() > max_polyphony) {
AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
stream_playbacks.remove_at(0);
if (!internal->stream_playbacks.is_empty() && internal->active.is_set()) {
internal->process();
}
internal->ensure_playback_limit();
} break;
}
}
// Interacts with PhysicsServer2D, so can only be called during _physics_process
// Interacts with PhysicsServer2D, so can only be called during _physics_process.
StringName AudioStreamPlayer2D::_get_actual_bus() {
Vector2 global_pos = get_global_position();
@ -144,12 +106,12 @@ StringName AudioStreamPlayer2D::_get_actual_bus() {
return area2d->get_audio_bus_name();
}
return default_bus;
return internal->bus;
}
// Interacts with PhysicsServer2D, so can only be called during _physics_process
void AudioStreamPlayer2D::_update_panning() {
if (!active.is_set() || stream.is_null()) {
if (!internal->active.is_set() || internal->stream.is_null()) {
return;
}
@ -194,7 +156,7 @@ void AudioStreamPlayer2D::_update_panning() {
}
float multiplier = Math::pow(1.0f - dist / max_distance, attenuation);
multiplier *= Math::db_to_linear(volume_db); // Also apply player volume!
multiplier *= Math::db_to_linear(internal->volume_db); // Also apply player volume!
float pan = relative_to_listener.x / screen_size.x;
// Don't let the panning effect extend (too far) beyond the screen.
@ -213,178 +175,96 @@ void AudioStreamPlayer2D::_update_panning() {
volume_vector.write[0] = AudioFrame(MAX(prev_sample[0], new_sample[0]), MAX(prev_sample[1], new_sample[1]));
}
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
for (const Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_bus_exclusive(playback, _get_actual_bus(), volume_vector);
}
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale);
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, internal->pitch_scale);
}
last_mix_count = AudioServer::get_singleton()->get_mix_count();
}
void AudioStreamPlayer2D::_update_stream_parameters() {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
const PropertyInfo &pi = K.property;
StringName key = PARAM_PREFIX + pi.name;
if (!playback_parameters.has(key)) {
ParameterData pd;
pd.path = pi.name;
pd.value = K.default_value;
playback_parameters.insert(key, pd);
}
}
}
void AudioStreamPlayer2D::set_stream(Ref<AudioStream> p_stream) {
if (stream.is_valid()) {
stream->disconnect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayer2D::_update_stream_parameters));
}
stop();
stream = p_stream;
_update_stream_parameters();
if (stream.is_valid()) {
stream->connect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayer2D::_update_stream_parameters));
}
notify_property_list_changed();
internal->set_stream(p_stream);
}
Ref<AudioStream> AudioStreamPlayer2D::get_stream() const {
return stream;
return internal->stream;
}
void AudioStreamPlayer2D::set_volume_db(float p_volume) {
volume_db = p_volume;
internal->volume_db = p_volume;
}
float AudioStreamPlayer2D::get_volume_db() const {
return volume_db;
return internal->volume_db;
}
void AudioStreamPlayer2D::set_pitch_scale(float p_pitch_scale) {
ERR_FAIL_COND(!(p_pitch_scale > 0.0));
pitch_scale = p_pitch_scale;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, p_pitch_scale);
}
internal->set_pitch_scale(p_pitch_scale);
}
float AudioStreamPlayer2D::get_pitch_scale() const {
return pitch_scale;
return internal->pitch_scale;
}
void AudioStreamPlayer2D::play(float p_from_pos) {
if (stream.is_null()) {
Ref<AudioStreamPlayback> stream_playback = internal->play_basic();
if (stream_playback.is_null()) {
return;
}
ERR_FAIL_COND_MSG(!is_inside_tree(), "Playback can only happen when a node is inside the scene tree");
if (stream->is_monophonic() && is_playing()) {
stop();
}
Ref<AudioStreamPlayback> stream_playback = stream->instantiate_playback();
ERR_FAIL_COND_MSG(stream_playback.is_null(), "Failed to instantiate playback.");
for (const KeyValue<StringName, ParameterData> &K : playback_parameters) {
stream_playback->set_parameter(K.value.path, K.value.value);
}
stream_playbacks.push_back(stream_playback);
setplayback = stream_playback;
setplay.set(p_from_pos);
active.set();
set_physics_process_internal(true);
}
void AudioStreamPlayer2D::seek(float p_seconds) {
if (is_playing()) {
stop();
play(p_seconds);
}
internal->seek(p_seconds);
}
void AudioStreamPlayer2D::stop() {
setplay.set(-1);
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->stop_playback_stream(playback);
}
stream_playbacks.clear();
active.clear();
set_physics_process_internal(false);
internal->stop();
}
bool AudioStreamPlayer2D::is_playing() const {
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (AudioServer::get_singleton()->is_playback_active(playback)) {
return true;
}
}
if (setplay.get() >= 0) {
return true; // play() has been called this frame, but no playback exists just yet.
}
return false;
return internal->is_playing();
}
float AudioStreamPlayer2D::get_playback_position() {
// Return the playback position of the most recently started playback stream.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]);
}
return 0;
return internal->get_playback_position();
}
void AudioStreamPlayer2D::set_bus(const StringName &p_bus) {
default_bus = p_bus; // This will be pushed to the audio server during the next physics timestep, which is fast enough.
internal->bus = p_bus; // This will be pushed to the audio server during the next physics timestep, which is fast enough.
}
StringName AudioStreamPlayer2D::get_bus() const {
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (AudioServer::get_singleton()->get_bus_name(i) == default_bus) {
return default_bus;
}
}
return SceneStringNames::get_singleton()->Master;
return internal->get_bus();
}
void AudioStreamPlayer2D::set_autoplay(bool p_enable) {
autoplay = p_enable;
internal->autoplay = p_enable;
}
bool AudioStreamPlayer2D::is_autoplay_enabled() {
return autoplay;
return internal->autoplay;
}
void AudioStreamPlayer2D::_set_playing(bool p_enable) {
if (p_enable) {
play();
} else {
stop();
}
internal->set_playing(p_enable);
}
bool AudioStreamPlayer2D::_is_active() const {
return active.is_set();
return internal->is_active();
}
void AudioStreamPlayer2D::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "bus") {
String options;
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (i > 0) {
options += ",";
}
String name = AudioServer::get_singleton()->get_bus_name(i);
options += name;
}
p_property.hint_string = options;
}
internal->validate_property(p_property);
}
void AudioStreamPlayer2D::set_max_distance(float p_pixels) {
@ -413,37 +293,27 @@ uint32_t AudioStreamPlayer2D::get_area_mask() const {
}
void AudioStreamPlayer2D::set_stream_paused(bool p_pause) {
// TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted.
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_paused(playback, p_pause);
}
internal->set_stream_paused(p_pause);
}
bool AudioStreamPlayer2D::get_stream_paused() const {
// There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]);
}
return false;
return internal->get_stream_paused();
}
bool AudioStreamPlayer2D::has_stream_playback() {
return !stream_playbacks.is_empty();
return internal->has_stream_playback();
}
Ref<AudioStreamPlayback> AudioStreamPlayer2D::get_stream_playback() {
ERR_FAIL_COND_V_MSG(stream_playbacks.is_empty(), Ref<AudioStreamPlayback>(), "Player is inactive. Call play() before requesting get_stream_playback().");
return stream_playbacks[stream_playbacks.size() - 1];
return internal->get_stream_playback();
}
void AudioStreamPlayer2D::set_max_polyphony(int p_max_polyphony) {
if (p_max_polyphony > 0) {
max_polyphony = p_max_polyphony;
}
internal->set_max_polyphony(p_max_polyphony);
}
int AudioStreamPlayer2D::get_max_polyphony() const {
return max_polyphony;
return internal->max_polyphony;
}
void AudioStreamPlayer2D::set_panning_strength(float p_panning_strength) {
@ -455,48 +325,16 @@ float AudioStreamPlayer2D::get_panning_strength() const {
return panning_strength;
}
void AudioStreamPlayer2D::_on_bus_layout_changed() {
notify_property_list_changed();
}
void AudioStreamPlayer2D::_on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name) {
notify_property_list_changed();
}
bool AudioStreamPlayer2D::_set(const StringName &p_name, const Variant &p_value) {
HashMap<StringName, ParameterData>::Iterator I = playback_parameters.find(p_name);
if (!I) {
return false;
}
ParameterData &pd = I->value;
pd.value = p_value;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
playback->set_parameter(pd.path, pd.value);
}
return true;
return internal->set(p_name, p_value);
}
bool AudioStreamPlayer2D::_get(const StringName &p_name, Variant &r_ret) const {
HashMap<StringName, ParameterData>::ConstIterator I = playback_parameters.find(p_name);
if (!I) {
return false;
}
r_ret = I->value.value;
return true;
return internal->get(p_name, r_ret);
}
void AudioStreamPlayer2D::_get_property_list(List<PropertyInfo> *p_list) const {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
PropertyInfo pi = K.property;
pi.name = PARAM_PREFIX + pi.name;
p_list->push_back(pi);
}
internal->get_property_list(p_list);
}
void AudioStreamPlayer2D::_bind_methods() {
@ -563,11 +401,11 @@ void AudioStreamPlayer2D::_bind_methods() {
}
AudioStreamPlayer2D::AudioStreamPlayer2D() {
AudioServer::get_singleton()->connect("bus_layout_changed", callable_mp(this, &AudioStreamPlayer2D::_on_bus_layout_changed));
AudioServer::get_singleton()->connect("bus_renamed", callable_mp(this, &AudioStreamPlayer2D::_on_bus_renamed));
internal = memnew(AudioStreamPlayerInternal(this, callable_mp(this, &AudioStreamPlayer2D::play), true));
cached_global_panning_strength = GLOBAL_GET("audio/general/2d_panning_strength");
set_hide_clip_children(true);
}
AudioStreamPlayer2D::~AudioStreamPlayer2D() {
memdelete(internal);
}

29
scene/2d/audio_stream_player_2d.h
View File

@ -32,9 +32,11 @@
#define AUDIO_STREAM_PLAYER_2D_H
#include "scene/2d/node_2d.h"
#include "scene/scene_string_names.h"
#include "servers/audio/audio_stream.h"
#include "servers/audio_server.h"
struct AudioFrame;
class AudioStream;
class AudioStreamPlayback;
class AudioStreamPlayerInternal;
class AudioStreamPlayer2D : public Node2D {
GDCLASS(AudioStreamPlayer2D, Node2D);
@ -52,10 +54,8 @@ private:
Viewport *viewport = nullptr; //pointer only used for reference to previous mix
};
Vector<Ref<AudioStreamPlayback>> stream_playbacks;
Ref<AudioStream> stream;
AudioStreamPlayerInternal *internal = nullptr;
SafeFlag active{ false };
SafeNumeric<float> setplay{ -1.0 };
Ref<AudioStreamPlayback> setplayback;
@ -64,21 +64,12 @@ private:
uint64_t last_mix_count = -1;
bool force_update_panning = false;
float volume_db = 0.0;
float pitch_scale = 1.0;
bool autoplay = false;
StringName default_bus = SceneStringNames::get_singleton()->Master;
int max_polyphony = 1;
void _set_playing(bool p_enable);
bool _is_active() const;
StringName _get_actual_bus();
void _update_panning();
void _on_bus_layout_changed();
void _on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name);
static void _listener_changed_cb(void *self) { reinterpret_cast<AudioStreamPlayer2D *>(self)->force_update_panning = true; }
uint32_t area_mask = 1;
@ -89,14 +80,6 @@ private:
float panning_strength = 1.0f;
float cached_global_panning_strength = 0.5f;
struct ParameterData {
StringName path;
Variant value;
};
HashMap<StringName, ParameterData> playback_parameters;
void _update_stream_parameters();
protected:
void _validate_property(PropertyInfo &p_property) const;
void _notification(int p_what);

260
scene/3d/audio_stream_player_3d.cpp
View File

@ -34,10 +34,10 @@
#include "scene/3d/area_3d.h"
#include "scene/3d/audio_listener_3d.h"
#include "scene/3d/camera_3d.h"
#include "scene/3d/velocity_tracker_3d.h"
#include "scene/audio/audio_stream_player_internal.h"
#include "scene/main/viewport.h"
#include "scene/scene_string_names.h"
#define PARAM_PREFIX "parameters/"
#include "servers/audio/audio_stream.h"
// Based on "A Novel Multichannel Panning Method for Standard and Arbitrary Loudspeaker Configurations" by Ramy Sadek and Chris Kyriakakis (2004)
// Speaker-Placement Correction Amplitude Panning (SPCAP)
@ -231,7 +231,7 @@ float AudioStreamPlayer3D::_get_attenuation_db(float p_distance) const {
}
}
att += volume_db;
att += internal->volume_db;
if (att > max_db) {
att = max_db;
}
@ -244,32 +244,12 @@ void AudioStreamPlayer3D::_notification(int p_what) {
case NOTIFICATION_ENTER_TREE: {
velocity_tracker->reset(get_global_transform().origin);
AudioServer::get_singleton()->add_listener_changed_callback(_listener_changed_cb, this);
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
play();
}
set_stream_paused(!can_process());
} break;
case NOTIFICATION_EXIT_TREE: {
set_stream_paused(true);
AudioServer::get_singleton()->remove_listener_changed_callback(_listener_changed_cb, this);
} break;
case NOTIFICATION_PREDELETE: {
stop();
} break;
case NOTIFICATION_PAUSED: {
if (!can_process()) {
// Node can't process so we start fading out to silence.
set_stream_paused(true);
}
} break;
case NOTIFICATION_UNPAUSED: {
set_stream_paused(false);
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
velocity_tracker->update_position(get_global_transform().origin);
@ -279,13 +259,13 @@ void AudioStreamPlayer3D::_notification(int p_what) {
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
// Update anything related to position first, if possible of course.
Vector<AudioFrame> volume_vector;
if (setplay.get() > 0 || (active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count()) || force_update_panning) {
if (setplay.get() > 0 || (internal->active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count()) || force_update_panning) {
force_update_panning = false;
volume_vector = _update_panning();
}
if (setplayback.is_valid() && setplay.get() >= 0) {
active.set();
internal->active.set();
HashMap<StringName, Vector<AudioFrame>> bus_map;
bus_map[_get_actual_bus()] = volume_vector;
AudioServer::get_singleton()->start_playback_stream(setplayback, bus_map, setplay.get(), actual_pitch_scale, linear_attenuation, attenuation_filter_cutoff_hz);
@ -293,32 +273,10 @@ void AudioStreamPlayer3D::_notification(int p_what) {
setplay.set(-1);
}
if (!stream_playbacks.is_empty() && active.is_set()) {
// Stop playing if no longer active.
Vector<Ref<AudioStreamPlayback>> playbacks_to_remove;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) {
playbacks_to_remove.push_back(playback);
}
}
// Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble.
for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) {
stream_playbacks.erase(playback);
}
if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) {
// This node is no longer actively playing audio.
active.clear();
set_physics_process_internal(false);
}
if (!playbacks_to_remove.is_empty()) {
emit_signal(SNAME("finished"));
}
}
while (stream_playbacks.size() > max_polyphony) {
AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
stream_playbacks.remove_at(0);
if (!internal->stream_playbacks.is_empty() && internal->active.is_set()) {
internal->process();
}
internal->ensure_playback_limit();
} break;
}
}
@ -362,16 +320,16 @@ Area3D *AudioStreamPlayer3D::_get_overriding_area() {
return nullptr;
}
// Interacts with PhysicsServer3D, so can only be called during _physics_process
// Interacts with PhysicsServer3D, so can only be called during _physics_process.
StringName AudioStreamPlayer3D::_get_actual_bus() {
Area3D *overriding_area = _get_overriding_area();
if (overriding_area && overriding_area->is_overriding_audio_bus() && !overriding_area->is_using_reverb_bus()) {
return overriding_area->get_audio_bus_name();
}
return bus;
return internal->bus;
}
// Interacts with PhysicsServer3D, so can only be called during _physics_process
// Interacts with PhysicsServer3D, so can only be called during _physics_process.
Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
Vector<AudioFrame> output_volume_vector;
output_volume_vector.resize(4);
@ -379,7 +337,7 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
frame = AudioFrame(0, 0);
}
if (!active.is_set() || stream.is_null()) {
if (!internal->active.is_set() || internal->stream.is_null()) {
return output_volume_vector;
}
@ -463,7 +421,7 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
}
linear_attenuation = Math::db_to_linear(db_att);
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_highshelf_params(playback, linear_attenuation, attenuation_filter_cutoff_hz);
}
// Bake in a constant factor here to allow the project setting defaults for 2d and 3d to be normalized to 1.0.
@ -489,10 +447,10 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
bus_volumes[reverb_bus_name] = reverb_vol;
}
} else {
bus_volumes[bus] = output_volume_vector;
bus_volumes[internal->bus] = output_volume_vector;
}
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_bus_volumes_linear(playback, bus_volumes);
}
@ -510,64 +468,37 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
float velocity = local_velocity.length();
float speed_of_sound = 343.0;
float doppler_pitch_scale = pitch_scale * speed_of_sound / (speed_of_sound + velocity * approaching);
float doppler_pitch_scale = internal->pitch_scale * speed_of_sound / (speed_of_sound + velocity * approaching);
doppler_pitch_scale = CLAMP(doppler_pitch_scale, (1 / 8.0), 8.0); //avoid crazy stuff
actual_pitch_scale = doppler_pitch_scale;
} else {
actual_pitch_scale = pitch_scale;
actual_pitch_scale = internal->pitch_scale;
}
} else {
actual_pitch_scale = pitch_scale;
actual_pitch_scale = internal->pitch_scale;
}
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, actual_pitch_scale);
}
}
return output_volume_vector;
}
void AudioStreamPlayer3D::_update_stream_parameters() {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
const PropertyInfo &pi = K.property;
StringName key = PARAM_PREFIX + pi.name;
if (!playback_parameters.has(key)) {
ParameterData pd;
pd.path = pi.name;
pd.value = K.default_value;
playback_parameters.insert(key, pd);
}
}
}
void AudioStreamPlayer3D::set_stream(Ref<AudioStream> p_stream) {
if (stream.is_valid()) {
stream->disconnect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayer3D::_update_stream_parameters));
}
stop();
stream = p_stream;
_update_stream_parameters();
if (stream.is_valid()) {
stream->connect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayer3D::_update_stream_parameters));
}
notify_property_list_changed();
internal->set_stream(p_stream);
}
Ref<AudioStream> AudioStreamPlayer3D::get_stream() const {
return stream;
return internal->stream;
}
void AudioStreamPlayer3D::set_volume_db(float p_volume) {
volume_db = p_volume;
internal->volume_db = p_volume;
}
float AudioStreamPlayer3D::get_volume_db() const {
return volume_db;
return internal->volume_db;
}
void AudioStreamPlayer3D::set_unit_size(float p_volume) {
@ -588,34 +519,20 @@ float AudioStreamPlayer3D::get_max_db() const {
}
void AudioStreamPlayer3D::set_pitch_scale(float p_pitch_scale) {
ERR_FAIL_COND(!(p_pitch_scale > 0.0));
pitch_scale = p_pitch_scale;
internal->set_pitch_scale(p_pitch_scale);
}
float AudioStreamPlayer3D::get_pitch_scale() const {
return pitch_scale;
return internal->pitch_scale;
}
void AudioStreamPlayer3D::play(float p_from_pos) {
if (stream.is_null()) {
Ref<AudioStreamPlayback> stream_playback = internal->play_basic();
if (stream_playback.is_null()) {
return;
}
ERR_FAIL_COND_MSG(!is_inside_tree(), "Playback can only happen when a node is inside the scene tree");
if (stream->is_monophonic() && is_playing()) {
stop();
}
Ref<AudioStreamPlayback> stream_playback = stream->instantiate_playback();
ERR_FAIL_COND_MSG(stream_playback.is_null(), "Failed to instantiate playback.");
for (const KeyValue<StringName, ParameterData> &K : playback_parameters) {
stream_playback->set_parameter(K.value.path, K.value.value);
}
stream_playbacks.push_back(stream_playback);
setplayback = stream_playback;
setplay.set(p_from_pos);
active.set();
set_physics_process_internal(true);
}
void AudioStreamPlayer3D::seek(float p_seconds) {
@ -627,83 +544,46 @@ void AudioStreamPlayer3D::seek(float p_seconds) {
void AudioStreamPlayer3D::stop() {
setplay.set(-1);
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->stop_playback_stream(playback);
}
stream_playbacks.clear();
active.clear();
set_physics_process_internal(false);
internal->stop();
}
bool AudioStreamPlayer3D::is_playing() const {
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (AudioServer::get_singleton()->is_playback_active(playback)) {
return true;
}
}
if (setplay.get() >= 0) {
return true; // play() has been called this frame, but no playback exists just yet.
}
return false;
return internal->is_playing();
}
float AudioStreamPlayer3D::get_playback_position() {
// Return the playback position of the most recently started playback stream.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]);
}
return 0;
return internal->get_playback_position();
}
void AudioStreamPlayer3D::set_bus(const StringName &p_bus) {
//if audio is active, must lock this
AudioServer::get_singleton()->lock();
bus = p_bus;
AudioServer::get_singleton()->unlock();
internal->bus = p_bus; // This will be pushed to the audio server during the next physics timestep, which is fast enough.
}
StringName AudioStreamPlayer3D::get_bus() const {
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (AudioServer::get_singleton()->get_bus_name(i) == bus) {
return bus;
}
}
return SceneStringNames::get_singleton()->Master;
return internal->get_bus();
}
void AudioStreamPlayer3D::set_autoplay(bool p_enable) {
autoplay = p_enable;
internal->autoplay = p_enable;
}
bool AudioStreamPlayer3D::is_autoplay_enabled() {
return autoplay;
return internal->autoplay;
}
void AudioStreamPlayer3D::_set_playing(bool p_enable) {
if (p_enable) {
play();
} else {
stop();
}
internal->set_playing(p_enable);
}
bool AudioStreamPlayer3D::_is_active() const {
return active.is_set();
return internal->is_active();
}
void AudioStreamPlayer3D::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "bus") {
String options;
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (i > 0) {
options += ",";
}
String name = AudioServer::get_singleton()->get_bus_name(i);
options += name;
}
p_property.hint_string = options;
}
internal->validate_property(p_property);
}
void AudioStreamPlayer3D::set_max_distance(float p_metres) {
@ -800,37 +680,27 @@ AudioStreamPlayer3D::DopplerTracking AudioStreamPlayer3D::get_doppler_tracking()
}
void AudioStreamPlayer3D::set_stream_paused(bool p_pause) {
// TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted.
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_paused(playback, p_pause);
}
internal->set_stream_paused(p_pause);
}
bool AudioStreamPlayer3D::get_stream_paused() const {
// There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]);
}
return false;
return internal->get_stream_paused();
}
bool AudioStreamPlayer3D::has_stream_playback() {
return !stream_playbacks.is_empty();
return internal->has_stream_playback();
}
Ref<AudioStreamPlayback> AudioStreamPlayer3D::get_stream_playback() {
ERR_FAIL_COND_V_MSG(stream_playbacks.is_empty(), Ref<AudioStreamPlayback>(), "Player is inactive. Call play() before requesting get_stream_playback().");
return stream_playbacks[stream_playbacks.size() - 1];
return internal->get_stream_playback();
}
void AudioStreamPlayer3D::set_max_polyphony(int p_max_polyphony) {
if (p_max_polyphony > 0) {
max_polyphony = p_max_polyphony;
}
internal->set_max_polyphony(p_max_polyphony);
}
int AudioStreamPlayer3D::get_max_polyphony() const {
return max_polyphony;
return internal->max_polyphony;
}
void AudioStreamPlayer3D::set_panning_strength(float p_panning_strength) {
@ -842,48 +712,16 @@ float AudioStreamPlayer3D::get_panning_strength() const {
return panning_strength;
}
void AudioStreamPlayer3D::_on_bus_layout_changed() {
notify_property_list_changed();
}
void AudioStreamPlayer3D::_on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name) {
notify_property_list_changed();
}
bool AudioStreamPlayer3D::_set(const StringName &p_name, const Variant &p_value) {
HashMap<StringName, ParameterData>::Iterator I = playback_parameters.find(p_name);
if (!I) {
return false;
}
ParameterData &pd = I->value;
pd.value = p_value;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
playback->set_parameter(pd.path, pd.value);
}
return true;
return internal->set(p_name, p_value);
}
bool AudioStreamPlayer3D::_get(const StringName &p_name, Variant &r_ret) const {
HashMap<StringName, ParameterData>::ConstIterator I = playback_parameters.find(p_name);
if (!I) {
return false;
}
r_ret = I->value.value;
return true;
return internal->get(p_name, r_ret);
}
void AudioStreamPlayer3D::_get_property_list(List<PropertyInfo> *p_list) const {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
PropertyInfo pi = K.property;
pi.name = PARAM_PREFIX + pi.name;
p_list->push_back(pi);
}
internal->get_property_list(p_list);
}
void AudioStreamPlayer3D::_bind_methods() {
@ -994,12 +832,12 @@ void AudioStreamPlayer3D::_bind_methods() {
}
AudioStreamPlayer3D::AudioStreamPlayer3D() {
internal = memnew(AudioStreamPlayerInternal(this, callable_mp(this, &AudioStreamPlayer3D::play), true));
velocity_tracker.instantiate();
AudioServer::get_singleton()->connect("bus_layout_changed", callable_mp(this, &AudioStreamPlayer3D::_on_bus_layout_changed));
AudioServer::get_singleton()->connect("bus_renamed", callable_mp(this, &AudioStreamPlayer3D::_on_bus_renamed));
set_disable_scale(true);
cached_global_panning_strength = GLOBAL_GET("audio/general/3d_panning_strength");
}
AudioStreamPlayer3D::~AudioStreamPlayer3D() {
memdelete(internal);
}

33
scene/3d/audio_stream_player_3d.h
View File

@ -31,15 +31,16 @@
#ifndef AUDIO_STREAM_PLAYER_3D_H
#define AUDIO_STREAM_PLAYER_3D_H
#include "core/os/mutex.h"
#include "scene/3d/area_3d.h"
#include "scene/3d/node_3d.h"
#include "scene/3d/velocity_tracker_3d.h"
#include "servers/audio/audio_filter_sw.h"
#include "servers/audio/audio_stream.h"
#include "servers/audio_server.h"
class Area3D;
struct AudioFrame;
class AudioStream;
class AudioStreamPlayback;
class AudioStreamPlayerInternal;
class Camera3D;
class VelocityTracker3D;
class AudioStreamPlayer3D : public Node3D {
GDCLASS(AudioStreamPlayer3D, Node3D);
@ -64,23 +65,16 @@ private:
};
Vector<Ref<AudioStreamPlayback>> stream_playbacks;
Ref<AudioStream> stream;
AudioStreamPlayerInternal *internal = nullptr;
SafeFlag active{ false };
SafeNumeric<float> setplay{ -1.0 };
Ref<AudioStreamPlayback> setplayback;
AttenuationModel attenuation_model = ATTENUATION_INVERSE_DISTANCE;
float volume_db = 0.0;
float unit_size = 10.0;
float max_db = 3.0;
float pitch_scale = 1.0;
// Internally used to take doppler tracking into account.
float actual_pitch_scale = 1.0;
bool autoplay = false;
StringName bus = SNAME("Master");
int max_polyphony = 1;
uint64_t last_mix_count = -1;
bool force_update_panning = false;
@ -97,9 +91,6 @@ private:
Area3D *_get_overriding_area();
Vector<AudioFrame> _update_panning();
void _on_bus_layout_changed();
void _on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name);
uint32_t area_mask = 1;
bool emission_angle_enabled = false;
@ -121,14 +112,6 @@ private:
float panning_strength = 1.0f;
float cached_global_panning_strength = 0.5f;
struct ParameterData {
StringName path;
Variant value;
};
HashMap<StringName, ParameterData> playback_parameters;
void _update_stream_parameters();
protected:
void _validate_property(PropertyInfo &p_property) const;
void _notification(int p_what);

261
scene/audio/audio_stream_player.cpp
View File

@ -30,253 +30,104 @@
#include "audio_stream_player.h"
#include "core/config/engine.h"
#include "core/math/audio_frame.h"
#include "servers/audio_server.h"
#define PARAM_PREFIX "parameters/"
#include "scene/audio/audio_stream_player_internal.h"
#include "servers/audio/audio_stream.h"
void AudioStreamPlayer::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
play();
}
set_stream_paused(!can_process());
} break;
case NOTIFICATION_INTERNAL_PROCESS: {
Vector<Ref<AudioStreamPlayback>> playbacks_to_remove;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) {
playbacks_to_remove.push_back(playback);
}
}
// Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble.
for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) {
stream_playbacks.erase(playback);
}
if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) {
// This node is no longer actively playing audio.
active.clear();
set_process_internal(false);
}
if (!playbacks_to_remove.is_empty()) {
emit_signal(SNAME("finished"));
}
} break;
case NOTIFICATION_EXIT_TREE: {
set_stream_paused(true);
} break;
case NOTIFICATION_PREDELETE: {
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->stop_playback_stream(playback);
}
stream_playbacks.clear();
} break;
case NOTIFICATION_PAUSED: {
if (!can_process()) {
// Node can't process so we start fading out to silence
set_stream_paused(true);
}
} break;
case NOTIFICATION_UNPAUSED: {
set_stream_paused(false);
} break;
}
}
void AudioStreamPlayer::_update_stream_parameters() {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
const PropertyInfo &pi = K.property;
StringName key = PARAM_PREFIX + pi.name;
if (!playback_parameters.has(key)) {
ParameterData pd;
pd.path = pi.name;
pd.value = K.default_value;
playback_parameters.insert(key, pd);
}
}
internal->notification(p_what);
}
void AudioStreamPlayer::set_stream(Ref<AudioStream> p_stream) {
if (stream.is_valid()) {
stream->disconnect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayer::_update_stream_parameters));
}
stop();
stream = p_stream;
_update_stream_parameters();
if (stream.is_valid()) {
stream->connect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayer::_update_stream_parameters));
}
notify_property_list_changed();
internal->set_stream(p_stream);
}
bool AudioStreamPlayer::_set(const StringName &p_name, const Variant &p_value) {
HashMap<StringName, ParameterData>::Iterator I = playback_parameters.find(p_name);
if (!I) {
return false;
}
ParameterData &pd = I->value;
pd.value = p_value;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
playback->set_parameter(pd.path, pd.value);
}
return true;
return internal->set(p_name, p_value);
}
bool AudioStreamPlayer::_get(const StringName &p_name, Variant &r_ret) const {
HashMap<StringName, ParameterData>::ConstIterator I = playback_parameters.find(p_name);
if (!I) {
return false;
}
r_ret = I->value.value;
return true;
return internal->get(p_name, r_ret);
}
void AudioStreamPlayer::_get_property_list(List<PropertyInfo> *p_list) const {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
PropertyInfo pi = K.property;
pi.name = PARAM_PREFIX + pi.name;
p_list->push_back(pi);
}
internal->get_property_list(p_list);
}
Ref<AudioStream> AudioStreamPlayer::get_stream() const {
return stream;
return internal->stream;
}
void AudioStreamPlayer::set_volume_db(float p_volume) {
volume_db = p_volume;
internal->volume_db = p_volume;
Vector<AudioFrame> volume_vector = _get_volume_vector();
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_all_bus_volumes_linear(playback, volume_vector);
}
}
float AudioStreamPlayer::get_volume_db() const {
return volume_db;
return internal->volume_db;
}
void AudioStreamPlayer::set_pitch_scale(float p_pitch_scale) {
ERR_FAIL_COND(!(p_pitch_scale > 0.0));
pitch_scale = p_pitch_scale;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale);
}
internal->set_pitch_scale(p_pitch_scale);
}
float AudioStreamPlayer::get_pitch_scale() const {
return pitch_scale;
return internal->pitch_scale;
}
void AudioStreamPlayer::set_max_polyphony(int p_max_polyphony) {
if (p_max_polyphony > 0) {
max_polyphony = p_max_polyphony;
}
internal->set_max_polyphony(p_max_polyphony);
}
int AudioStreamPlayer::get_max_polyphony() const {
return max_polyphony;
return internal->max_polyphony;
}
void AudioStreamPlayer::play(float p_from_pos) {
if (stream.is_null()) {
Ref<AudioStreamPlayback> stream_playback = internal->play_basic();
if (stream_playback.is_null()) {
return;
}
ERR_FAIL_COND_MSG(!is_inside_tree(), "Playback can only happen when a node is inside the scene tree");
if (stream->is_monophonic() && is_playing()) {
stop();
}
Ref<AudioStreamPlayback> stream_playback = stream->instantiate_playback();
ERR_FAIL_COND_MSG(stream_playback.is_null(), "Failed to instantiate playback.");
for (const KeyValue<StringName, ParameterData> &K : playback_parameters) {
stream_playback->set_parameter(K.value.path, K.value.value);
}
AudioServer::get_singleton()->start_playback_stream(stream_playback, bus, _get_volume_vector(), p_from_pos, pitch_scale);
stream_playbacks.push_back(stream_playback);
active.set();
set_process_internal(true);
while (stream_playbacks.size() > max_polyphony) {
AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
stream_playbacks.remove_at(0);
}
AudioServer::get_singleton()->start_playback_stream(stream_playback, internal->bus, _get_volume_vector(), p_from_pos, internal->pitch_scale);
internal->ensure_playback_limit();
}
void AudioStreamPlayer::seek(float p_seconds) {
if (is_playing()) {
stop();
play(p_seconds);
}
internal->seek(p_seconds);
}
void AudioStreamPlayer::stop() {
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->stop_playback_stream(playback);
}
stream_playbacks.clear();
active.clear();
set_process_internal(false);
internal->stop();
}
bool AudioStreamPlayer::is_playing() const {
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (AudioServer::get_singleton()->is_playback_active(playback)) {
return true;
}
}
return false;
return internal->is_playing();
}
float AudioStreamPlayer::get_playback_position() {
// Return the playback position of the most recently started playback stream.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]);
}
return 0;
return internal->get_playback_position();
}
void AudioStreamPlayer::set_bus(const StringName &p_bus) {
bus = p_bus;
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
internal->bus = p_bus;
for (const Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_bus_exclusive(playback, p_bus, _get_volume_vector());
}
}
StringName AudioStreamPlayer::get_bus() const {
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (AudioServer::get_singleton()->get_bus_name(i) == String(bus)) {
return bus;
}
}
return SceneStringNames::get_singleton()->Master;
return internal->get_bus();
}
void AudioStreamPlayer::set_autoplay(bool p_enable) {
autoplay = p_enable;
internal->autoplay = p_enable;
}
bool AudioStreamPlayer::is_autoplay_enabled() {
return autoplay;
return internal->autoplay;
}
void AudioStreamPlayer::set_mix_target(MixTarget p_target) {
@ -288,43 +139,19 @@ AudioStreamPlayer::MixTarget AudioStreamPlayer::get_mix_target() const {
}
void AudioStreamPlayer::_set_playing(bool p_enable) {
if (p_enable) {
play();
} else {
stop();
}
internal->set_playing(p_enable);
}
bool AudioStreamPlayer::_is_active() const {
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (AudioServer::get_singleton()->is_playback_active(playback)) {
return true;
}
}
return false;
}
void AudioStreamPlayer::_on_bus_layout_changed() {
notify_property_list_changed();
}
void AudioStreamPlayer::_on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name) {
notify_property_list_changed();
return internal->is_active();
}
void AudioStreamPlayer::set_stream_paused(bool p_pause) {
// TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted.
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_paused(playback, p_pause);
}
internal->set_stream_paused(p_pause);
}
bool AudioStreamPlayer::get_stream_paused() const {
// There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]);
}
return false;
return internal->get_stream_paused();
}
Vector<AudioFrame> AudioStreamPlayer::_get_volume_vector() {
@ -337,7 +164,7 @@ Vector<AudioFrame> AudioStreamPlayer::_get_volume_vector() {
channel_volume_db = AudioFrame(0, 0);
}
float volume_linear = Math::db_to_linear(volume_db);
float volume_linear = Math::db_to_linear(internal->volume_db);
// Set the volume vector up according to the speaker mode and mix target.
// TODO do we need to scale the volume down when we output to more channels?
@ -365,27 +192,15 @@ Vector<AudioFrame> AudioStreamPlayer::_get_volume_vector() {
}
void AudioStreamPlayer::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "bus") {
String options;
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (i > 0) {
options += ",";
}
String name = AudioServer::get_singleton()->get_bus_name(i);
options += name;
}
p_property.hint_string = options;
}
internal->validate_property(p_property);
}
bool AudioStreamPlayer::has_stream_playback() {
return !stream_playbacks.is_empty();
return internal->has_stream_playback();
}
Ref<AudioStreamPlayback> AudioStreamPlayer::get_stream_playback() {
ERR_FAIL_COND_V_MSG(stream_playbacks.is_empty(), Ref<AudioStreamPlayback>(), "Player is inactive. Call play() before requesting get_stream_playback().");
return stream_playbacks[stream_playbacks.size() - 1];
return internal->get_stream_playback();
}
void AudioStreamPlayer::_bind_methods() {
@ -444,9 +259,9 @@ void AudioStreamPlayer::_bind_methods() {
}
AudioStreamPlayer::AudioStreamPlayer() {
AudioServer::get_singleton()->connect("bus_layout_changed", callable_mp(this, &AudioStreamPlayer::_on_bus_layout_changed));
AudioServer::get_singleton()->connect("bus_renamed", callable_mp(this, &AudioStreamPlayer::_on_bus_renamed));
internal = memnew(AudioStreamPlayerInternal(this, callable_mp(this, &AudioStreamPlayer::play), false));
}
AudioStreamPlayer::~AudioStreamPlayer() {
memdelete(internal);
}

30
scene/audio/audio_stream_player.h
View File

@ -31,10 +31,12 @@
#ifndef AUDIO_STREAM_PLAYER_H
#define AUDIO_STREAM_PLAYER_H
#include "core/templates/safe_refcount.h"
#include "scene/main/node.h"
#include "scene/scene_string_names.h"
#include "servers/audio/audio_stream.h"
struct AudioFrame;
class AudioStream;
class AudioStreamPlayback;
class AudioStreamPlayerInternal;
class AudioStreamPlayer : public Node {
GDCLASS(AudioStreamPlayer, Node);
@ -47,35 +49,15 @@ public:
};
private:
Vector<Ref<AudioStreamPlayback>> stream_playbacks;
Ref<AudioStream> stream;
SafeFlag active;
float pitch_scale = 1.0;
float volume_db = 0.0;
bool autoplay = false;
StringName bus = SceneStringNames::get_singleton()->Master;
int max_polyphony = 1;
AudioStreamPlayerInternal *internal = nullptr;
MixTarget mix_target = MIX_TARGET_STEREO;
void _set_playing(bool p_enable);
bool _is_active() const;
void _on_bus_layout_changed();
void _on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name);
Vector<AudioFrame> _get_volume_vector();
struct ParameterData {
StringName path;
Variant value;
};
HashMap<StringName, ParameterData> playback_parameters;
void _update_stream_parameters();
protected:
void _validate_property(PropertyInfo &p_property) const;
void _notification(int p_what);

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/**************************************************************************/
/* audio_stream_player_internal.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "audio_stream_player_internal.h"
#include "scene/main/node.h"
#include "scene/scene_string_names.h"
#include "servers/audio/audio_stream.h"
void AudioStreamPlayerInternal::_set_process(bool p_enabled) {
if (physical) {
node->set_physics_process_internal(p_enabled);
} else {
node->set_process(p_enabled);
}
}
void AudioStreamPlayerInternal::_update_stream_parameters() {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
const PropertyInfo &pi = K.property;
StringName key = PARAM_PREFIX + pi.name;
if (!playback_parameters.has(key)) {
ParameterData pd;
pd.path = pi.name;
pd.value = K.default_value;
playback_parameters.insert(key, pd);
}
}
}
void AudioStreamPlayerInternal::process() {
Vector<Ref<AudioStreamPlayback>> playbacks_to_remove;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) {
playbacks_to_remove.push_back(playback);
}
}
// Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble.
for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) {
stream_playbacks.erase(playback);
}
if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) {
// This node is no longer actively playing audio.
active.clear();
_set_process(false);
}
if (!playbacks_to_remove.is_empty()) {
node->emit_signal(SNAME("finished"));
}
}
void AudioStreamPlayerInternal::ensure_playback_limit() {
while (stream_playbacks.size() > max_polyphony) {
AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
stream_playbacks.remove_at(0);
}
}
void AudioStreamPlayerInternal::notification(int p_what) {
switch (p_what) {
case Node::NOTIFICATION_ENTER_TREE: {
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
play_callable.call(0.0);
}
set_stream_paused(!node->can_process());
} break;
case Node::NOTIFICATION_EXIT_TREE: {
set_stream_paused(true);
} break;
case Node::NOTIFICATION_INTERNAL_PROCESS: {
process();
} break;
case Node::NOTIFICATION_PREDELETE: {
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->stop_playback_stream(playback);
}
stream_playbacks.clear();
} break;
case Node::NOTIFICATION_PAUSED: {
if (!node->can_process()) {
// Node can't process so we start fading out to silence
set_stream_paused(true);
}
} break;
case Node::NOTIFICATION_UNPAUSED: {
set_stream_paused(false);
} break;
}
}
Ref<AudioStreamPlayback> AudioStreamPlayerInternal::play_basic() {
Ref<AudioStreamPlayback> stream_playback;
if (stream.is_null()) {
return stream_playback;
}
ERR_FAIL_COND_V_MSG(!node->is_inside_tree(), stream_playback, "Playback can only happen when a node is inside the scene tree");
if (stream->is_monophonic() && is_playing()) {
stop();
}
stream_playback = stream->instantiate_playback();
ERR_FAIL_COND_V_MSG(stream_playback.is_null(), stream_playback, "Failed to instantiate playback.");
for (const KeyValue<StringName, ParameterData> &K : playback_parameters) {
stream_playback->set_parameter(K.value.path, K.value.value);
}
stream_playbacks.push_back(stream_playback);
active.set();
_set_process(true);
return stream_playback;
}
void AudioStreamPlayerInternal::set_stream_paused(bool p_pause) {
// TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted.
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_paused(playback, p_pause);
}
}
bool AudioStreamPlayerInternal::get_stream_paused() const {
// There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]);
}
return false;
}
void AudioStreamPlayerInternal::validate_property(PropertyInfo &p_property) const {
if (p_property.name == "bus") {
String options;
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (i > 0) {
options += ",";
}
String name = AudioServer::get_singleton()->get_bus_name(i);
options += name;
}
p_property.hint_string = options;
}
}
bool AudioStreamPlayerInternal::set(const StringName &p_name, const Variant &p_value) {
ParameterData *pd = playback_parameters.getptr(p_name);
if (!pd) {
return false;
}
pd->value = p_value;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
playback->set_parameter(pd->path, pd->value);
}
return true;
}
bool AudioStreamPlayerInternal::get(const StringName &p_name, Variant &r_ret) const {
const ParameterData *pd = playback_parameters.getptr(p_name);
if (!pd) {
return false;
}
r_ret = pd->value;
return true;
}
void AudioStreamPlayerInternal::get_property_list(List<PropertyInfo> *p_list) const {
if (stream.is_null()) {
return;
}
List<AudioStream::Parameter> parameters;
stream->get_parameter_list(&parameters);
for (const AudioStream::Parameter &K : parameters) {
PropertyInfo pi = K.property;
pi.name = PARAM_PREFIX + pi.name;
const ParameterData *pd = playback_parameters.getptr(pi.name);
if (pd && pd->value == K.default_value) {
pi.usage &= ~PROPERTY_USAGE_STORAGE;
}
p_list->push_back(pi);
}
}
void AudioStreamPlayerInternal::set_stream(Ref<AudioStream> p_stream) {
if (stream.is_valid()) {
stream->disconnect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayerInternal::_update_stream_parameters));
}
stop();
stream = p_stream;
_update_stream_parameters();
if (stream.is_valid()) {
stream->connect(SNAME("parameter_list_changed"), callable_mp(this, &AudioStreamPlayerInternal::_update_stream_parameters));
}
node->notify_property_list_changed();
}
void AudioStreamPlayerInternal::seek(float p_seconds) {
if (is_playing()) {
stop();
play_callable.call(p_seconds);
}
}
void AudioStreamPlayerInternal::stop() {
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->stop_playback_stream(playback);
}
stream_playbacks.clear();
active.clear();
_set_process(false);
}
bool AudioStreamPlayerInternal::is_playing() const {
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
if (AudioServer::get_singleton()->is_playback_active(playback)) {
return true;
}
}
return false;
}
float AudioStreamPlayerInternal::get_playback_position() {
// Return the playback position of the most recently started playback stream.
if (!stream_playbacks.is_empty()) {
return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]);
}
return 0;
}
void AudioStreamPlayerInternal::set_playing(bool p_enable) {
if (p_enable) {
play_callable.call(0.0);
} else {
stop();
}
}
bool AudioStreamPlayerInternal::is_active() const {
return active.is_set();
}
void AudioStreamPlayerInternal::set_pitch_scale(float p_pitch_scale) {
ERR_FAIL_COND(p_pitch_scale <= 0.0);
pitch_scale = p_pitch_scale;
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale);
}
}
void AudioStreamPlayerInternal::set_max_polyphony(int p_max_polyphony) {
if (p_max_polyphony > 0) {
max_polyphony = p_max_polyphony;
}
}
bool AudioStreamPlayerInternal::has_stream_playback() {
return !stream_playbacks.is_empty();
}
Ref<AudioStreamPlayback> AudioStreamPlayerInternal::get_stream_playback() {
ERR_FAIL_COND_V_MSG(stream_playbacks.is_empty(), Ref<AudioStreamPlayback>(), "Player is inactive. Call play() before requesting get_stream_playback().");
return stream_playbacks[stream_playbacks.size() - 1];
}
StringName AudioStreamPlayerInternal::get_bus() const {
const String bus_name = bus;
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
if (AudioServer::get_singleton()->get_bus_name(i) == bus_name) {
return bus;
}
}
return SceneStringNames::get_singleton()->Master;
}
AudioStreamPlayerInternal::AudioStreamPlayerInternal(Node *p_node, const Callable &p_play_callable, bool p_physical) {
node = p_node;
play_callable = p_play_callable;
physical = p_physical;
bus = SceneStringNames::get_singleton()->Master;
AudioServer::get_singleton()->connect("bus_layout_changed", callable_mp((Object *)node, &Object::notify_property_list_changed));
AudioServer::get_singleton()->connect("bus_renamed", callable_mp((Object *)node, &Object::notify_property_list_changed).unbind(3));
}

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/**************************************************************************/
/* audio_stream_player_internal.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef AUDIO_STREAM_PLAYER_INTERNAL_H
#define AUDIO_STREAM_PLAYER_INTERNAL_H
#include "core/object/ref_counted.h"
#include "core/templates/safe_refcount.h"
class AudioStream;
class AudioStreamPlayback;
class Node;
class AudioStreamPlayerInternal : public Object {
GDCLASS(AudioStreamPlayerInternal, Object);
struct ParameterData {
StringName path;
Variant value;
};
static inline const String PARAM_PREFIX = "parameters/";
Node *node = nullptr;
Callable play_callable;
bool physical = false;
HashMap<StringName, ParameterData> playback_parameters;
void _set_process(bool p_enabled);
void _update_stream_parameters();
public:
Vector<Ref<AudioStreamPlayback>> stream_playbacks;
Ref<AudioStream> stream;
SafeFlag active;
float pitch_scale = 1.0;
float volume_db = 0.0;
bool autoplay = false;
StringName bus;
int max_polyphony = 1;
void process();
void ensure_playback_limit();
void notification(int p_what);
void validate_property(PropertyInfo &p_property) const;
bool set(const StringName &p_name, const Variant &p_value);
bool get(const StringName &p_name, Variant &r_ret) const;
void get_property_list(List<PropertyInfo> *p_list) const;
void set_stream(Ref<AudioStream> p_stream);
void set_pitch_scale(float p_pitch_scale);
void set_max_polyphony(int p_max_polyphony);
StringName get_bus() const;
Ref<AudioStreamPlayback> play_basic();
void seek(float p_seconds);
void stop();
bool is_playing() const;
float get_playback_position();
void set_playing(bool p_enable);
bool is_active() const;
void set_stream_paused(bool p_pause);
bool get_stream_paused() const;
bool has_stream_playback();
Ref<AudioStreamPlayback> get_stream_playback();
AudioStreamPlayerInternal(Node *p_node, const Callable &p_play_callable, bool p_physical);
};
#endif // AUDIO_STREAM_PLAYER_INTERNAL_H