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Add AudioServer.get_driver_name() to get the actual audio driver name

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The project setting does not reflect CLI argument overrides
(including `--headless` which sets the audio driver to `Dummy`),
so it can't be reliably used to detect which audio driver is
actually being used at run-time.
This commit is contained in:
Hugo Locurcio 2024-10-22 23:14:59 +02:00
parent 533c616cb8
commit 77c31b9cc8
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GPG Key ID: 39E8F8BE30B0A49C
4 changed files with 15 additions and 0 deletions
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6
doc/classes/AudioServer.xml
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@ -110,6 +110,12 @@
Returns the volume of the bus at index [param bus_idx] in dB.
</description>
</method>
<method name="get_driver_name" qualifiers="const">
<return type="String" />
<description>
Returns the name of the current audio driver. The default usually depends on the operating system, but may be overridden via the [code]--audio-driver[/code] [url=$DOCS_URL/tutorials/editor/command_line_tutorial.html]command line argument[/url]. [code]--headless[/code] also automatically sets the audio driver to [code]Dummy[/code]. See also [member ProjectSettings.audio/driver/driver].
</description>
</method>
<method name="get_input_device_list">
<return type="PackedStringArray" />
<description>

1
doc/classes/ProjectSettings.xml
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@ -376,6 +376,7 @@
<member name="audio/driver/driver" type="String" setter="" getter="">
Specifies the audio driver to use. This setting is platform-dependent as each platform supports different audio drivers. If left empty, the default audio driver will be used.
The [code]Dummy[/code] audio driver disables all audio playback and recording, which is useful for non-game applications as it reduces CPU usage. It also prevents the engine from appearing as an application playing audio in the OS' audio mixer.
To query the value that is being used at run-time (which may be overridden by command-line arguments or headless mode), use [method AudioServer.get_driver_name].
[b]Note:[/b] The driver in use can be overridden at runtime via the [code]--audio-driver[/code] [url=$DOCS_URL/tutorials/editor/command_line_tutorial.html]command line argument[/url].
</member>
<member name="audio/driver/enable_input" type="bool" setter="" getter="" default="false">

6
servers/audio_server.cpp
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@ -1440,6 +1440,10 @@ uint64_t AudioServer::get_mixed_frames() const {
return mix_frames;
}
String AudioServer::get_driver_name() const {
return AudioDriver::get_singleton()->get_name();
}
void AudioServer::notify_listener_changed() {
for (CallbackItem *ci : listener_changed_callback_list) {
ci->callback(ci->userdata);
@ -1947,6 +1951,8 @@ void AudioServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_speaker_mode"), &AudioServer::get_speaker_mode);
ClassDB::bind_method(D_METHOD("get_mix_rate"), &AudioServer::get_mix_rate);
ClassDB::bind_method(D_METHOD("get_driver_name"), &AudioServer::get_driver_name);
ClassDB::bind_method(D_METHOD("get_output_device_list"), &AudioServer::get_output_device_list);
ClassDB::bind_method(D_METHOD("get_output_device"), &AudioServer::get_output_device);
ClassDB::bind_method(D_METHOD("set_output_device", "name"), &AudioServer::set_output_device);

2
servers/audio_server.h
View File

@ -427,6 +427,8 @@ public:
uint64_t get_mix_count() const;
uint64_t get_mixed_frames() const;
String get_driver_name() const;
void notify_listener_changed();
virtual void init();