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-rw-r--r--scene/audio/audio_stream_player.cpp137
-rw-r--r--scene/audio/audio_stream_player.h8
2 files changed, 92 insertions, 53 deletions
diff --git a/scene/audio/audio_stream_player.cpp b/scene/audio/audio_stream_player.cpp
index f7b7604fd5..0334ba667b 100644
--- a/scene/audio/audio_stream_player.cpp
+++ b/scene/audio/audio_stream_player.cpp
@@ -42,17 +42,29 @@ void AudioStreamPlayer::_notification(int p_what) {
}
if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
- if (stream_playback.is_valid() && active.is_set() && !AudioServer::get_singleton()->is_playback_active(stream_playback)) {
+ 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)) {
+ emit_signal(SNAME("finished"));
+ 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);
- emit_signal(SNAME("finished"));
}
}
if (p_what == NOTIFICATION_EXIT_TREE) {
- if (stream_playback.is_valid()) {
- AudioServer::get_singleton()->stop_playback_stream(stream_playback);
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->stop_playback_stream(playback);
}
+ stream_playbacks.clear();
}
if (p_what == NOTIFICATION_PAUSED) {
@@ -68,24 +80,8 @@ void AudioStreamPlayer::_notification(int p_what) {
}
void AudioStreamPlayer::set_stream(Ref<AudioStream> p_stream) {
- if (stream_playback.is_valid()) {
- stop();
- stream_playback.unref();
- stream.unref();
- }
-
- if (p_stream.is_valid()) {
- stream_playback = p_stream->instance_playback();
- if (stream_playback.is_valid()) {
- stream = p_stream;
- } else {
- stream.unref();
- }
- }
-
- if (p_stream.is_valid() && stream_playback.is_null()) {
- stream.unref();
- }
+ stop();
+ stream = p_stream;
}
Ref<AudioStream> AudioStreamPlayer::get_stream() const {
@@ -95,7 +91,10 @@ Ref<AudioStream> AudioStreamPlayer::get_stream() const {
void AudioStreamPlayer::set_volume_db(float p_volume) {
volume_db = p_volume;
- AudioServer::get_singleton()->set_playback_all_bus_volumes_linear(stream_playback, _get_volume_vector());
+ Vector<AudioFrame> volume_vector = _get_volume_vector();
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->set_playback_all_bus_volumes_linear(playback, volume_vector);
+ }
}
float AudioStreamPlayer::get_volume_db() const {
@@ -106,57 +105,83 @@ void AudioStreamPlayer::set_pitch_scale(float p_pitch_scale) {
ERR_FAIL_COND(p_pitch_scale <= 0.0);
pitch_scale = p_pitch_scale;
- AudioServer::get_singleton()->set_playback_pitch_scale(stream_playback, pitch_scale);
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale);
+ }
}
float AudioStreamPlayer::get_pitch_scale() const {
return pitch_scale;
}
+void AudioStreamPlayer::set_max_polyphony(int p_max_polyphony) {
+ if (p_max_polyphony > 0) {
+ max_polyphony = p_max_polyphony;
+ }
+}
+
+int AudioStreamPlayer::get_max_polyphony() const {
+ return max_polyphony;
+}
+
void AudioStreamPlayer::play(float p_from_pos) {
- stop();
- if (stream.is_valid()) {
- stream_playback = stream->instance_playback();
+ if (stream.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();
}
- if (stream_playback.is_valid()) {
- AudioServer::get_singleton()->start_playback_stream(stream_playback, bus, _get_volume_vector(), p_from_pos);
- active.set();
+ Ref<AudioStreamPlayback> stream_playback = stream->instance_playback();
+ ERR_FAIL_COND_MSG(stream_playback.is_null(), "Failed to instantiate playback.");
+
+ AudioServer::get_singleton()->start_playback_stream(stream_playback, bus, _get_volume_vector(), p_from_pos);
+ 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(0);
}
}
void AudioStreamPlayer::seek(float p_seconds) {
- if (stream_playback.is_valid() && active.is_set()) {
+ if (is_playing()) {
+ stop();
play(p_seconds);
}
}
void AudioStreamPlayer::stop() {
- if (stream_playback.is_valid()) {
- active.clear();
- AudioServer::get_singleton()->stop_playback_stream(stream_playback);
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->stop_playback_stream(playback);
}
+ stream_playbacks.clear();
+ active.clear();
+ set_process_internal(false);
}
bool AudioStreamPlayer::is_playing() const {
- if (stream_playback.is_valid()) {
- return AudioServer::get_singleton()->is_playback_active(stream_playback);
+ for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ if (AudioServer::get_singleton()->is_playback_active(playback)) {
+ return true;
+ }
}
-
return false;
}
float AudioStreamPlayer::get_playback_position() {
- if (stream_playback.is_valid()) {
- return AudioServer::get_singleton()->get_playback_position(stream_playback);
+ // 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 AudioStreamPlayer::set_bus(const StringName &p_bus) {
bus = p_bus;
- if (stream_playback.is_valid()) {
- AudioServer::get_singleton()->set_playback_bus_exclusive(stream_playback, p_bus, _get_volume_vector());
+ for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->set_playback_bus_exclusive(playback, p_bus, _get_volume_vector());
}
}
@@ -166,7 +191,7 @@ StringName AudioStreamPlayer::get_bus() const {
return bus;
}
}
- return "Master";
+ return SNAME("Master");
}
void AudioStreamPlayer::set_autoplay(bool p_enable) {
@@ -194,22 +219,25 @@ void AudioStreamPlayer::_set_playing(bool p_enable) {
}
bool AudioStreamPlayer::_is_active() const {
- if (stream_playback.is_valid()) {
- return AudioServer::get_singleton()->is_playback_active(stream_playback);
+ for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ if (AudioServer::get_singleton()->is_playback_active(playback)) {
+ return true;
+ }
}
return false;
}
void AudioStreamPlayer::set_stream_paused(bool p_pause) {
- // TODO this does not have perfect recall, fix that maybe? If the stream isn't set, we can't persist this bool.
- if (stream_playback.is_valid()) {
- AudioServer::get_singleton()->set_playback_paused(stream_playback, 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 AudioStreamPlayer::get_stream_paused() const {
- if (stream_playback.is_valid()) {
- return AudioServer::get_singleton()->is_playback_paused(stream_playback);
+ // 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;
}
@@ -271,7 +299,10 @@ void AudioStreamPlayer::_bus_layout_changed() {
}
Ref<AudioStreamPlayback> AudioStreamPlayer::get_stream_playback() {
- return stream_playback;
+ if (!stream_playbacks.is_empty()) {
+ return stream_playbacks[stream_playbacks.size() - 1];
+ }
+ return nullptr;
}
void AudioStreamPlayer::_bind_methods() {
@@ -306,6 +337,9 @@ void AudioStreamPlayer::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_stream_paused", "pause"), &AudioStreamPlayer::set_stream_paused);
ClassDB::bind_method(D_METHOD("get_stream_paused"), &AudioStreamPlayer::get_stream_paused);
+ ClassDB::bind_method(D_METHOD("set_max_polyphony", "max_polyphony"), &AudioStreamPlayer::set_max_polyphony);
+ ClassDB::bind_method(D_METHOD("get_max_polyphony"), &AudioStreamPlayer::get_max_polyphony);
+
ClassDB::bind_method(D_METHOD("get_stream_playback"), &AudioStreamPlayer::get_stream_playback);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream");
@@ -315,6 +349,7 @@ void AudioStreamPlayer::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autoplay"), "set_autoplay", "is_autoplay_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream_paused", PROPERTY_HINT_NONE, ""), "set_stream_paused", "get_stream_paused");
ADD_PROPERTY(PropertyInfo(Variant::INT, "mix_target", PROPERTY_HINT_ENUM, "Stereo,Surround,Center"), "set_mix_target", "get_mix_target");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "max_polyphony", PROPERTY_HINT_NONE, ""), "set_max_polyphony", "get_max_polyphony");
ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "bus", PROPERTY_HINT_ENUM, ""), "set_bus", "get_bus");
ADD_SIGNAL(MethodInfo("finished"));
diff --git a/scene/audio/audio_stream_player.h b/scene/audio/audio_stream_player.h
index 76b6698c9d..7205fce204 100644
--- a/scene/audio/audio_stream_player.h
+++ b/scene/audio/audio_stream_player.h
@@ -46,7 +46,7 @@ public:
};
private:
- Ref<AudioStreamPlayback> stream_playback;
+ Vector<Ref<AudioStreamPlayback>> stream_playbacks;
Ref<AudioStream> stream;
SafeFlag active;
@@ -54,7 +54,8 @@ private:
float pitch_scale = 1.0;
float volume_db = 0.0;
bool autoplay = false;
- StringName bus = "Master";
+ StringName bus = SNAME("Master");
+ int max_polyphony = 1;
MixTarget mix_target = MIX_TARGET_STEREO;
@@ -85,6 +86,9 @@ public:
void set_pitch_scale(float p_pitch_scale);
float get_pitch_scale() const;
+ void set_max_polyphony(int p_max_polyphony);
+ int get_max_polyphony() const;
+
void play(float p_from_pos = 0.0);
void seek(float p_seconds);
void stop();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:51:09 +0000