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Merge pull request #29413 from YeldhamDev/global_rate_scale
Add 'global_rate_scale' to the AudioServer
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commit
380bf04566
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@ -177,6 +177,13 @@
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<description>
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</description>
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</method>
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<method name="get_global_rate_scale">
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<return type="float">
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</return>
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<description>
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Returns the global rate scale at which audio is being played.
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</description>
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</method>
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<method name="get_mix_rate" qualifiers="const">
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<return type="float">
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</return>
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@ -390,6 +397,15 @@
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<description>
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</description>
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</method>
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<method name="set_global_rate_scale">
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<return type="void">
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</return>
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<argument index="0" name="scale" type="float">
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</argument>
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<description>
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Scales the rate at which audio is played (i.e. setting it to [code]0.5[/code] will make the audio be played twice as fast).
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</description>
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</method>
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<method name="swap_bus_effects">
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<return type="void">
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</return>
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@ -411,6 +427,16 @@
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</description>
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</method>
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</methods>
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<members>
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<member name="bus_count" type="int" setter="set_bus_count" getter="get_bus_count">
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Adds and removes buses to make the number of buses match [code]amount[/code].
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</member>
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<member name="device" type="string" setter="set_device" getter="get_device">
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</member>
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<member name="global_rate_scale" type="float" setter="set_global_rate_scale" getter="get_global_rate_scale">
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Scales the rate at which audio is played (i.e. setting it to [code]0.5[/code] will make the audio be played twice as fast).
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</member>
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</members>
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<signals>
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<signal name="bus_layout_changed">
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<description>
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@ -49,8 +49,9 @@ void AudioStreamPlaybackResampled::_begin_resample() {
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void AudioStreamPlaybackResampled::mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) {
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float target_rate = AudioServer::get_singleton()->get_mix_rate();
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float global_rate_scale = AudioServer::get_singleton()->get_global_rate_scale();
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uint64_t mix_increment = uint64_t(((get_stream_sampling_rate() * p_rate_scale) / double(target_rate)) * double(FP_LEN));
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uint64_t mix_increment = uint64_t(((get_stream_sampling_rate() * p_rate_scale) / double(target_rate * global_rate_scale)) * double(FP_LEN));
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for (int i = 0; i < p_frames; i++) {
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@ -944,6 +944,15 @@ bool AudioServer::is_bus_channel_active(int p_bus, int p_channel) const {
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return buses[p_bus]->channels[p_channel].active;
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}
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void AudioServer::set_global_rate_scale(float p_scale) {
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global_rate_scale = p_scale;
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}
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float AudioServer::get_global_rate_scale() const {
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return global_rate_scale;
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}
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void AudioServer::init_channels_and_buffers() {
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channel_count = get_channel_count();
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temp_buffer.resize(channel_count);
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@ -1352,6 +1361,9 @@ void AudioServer::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_bus_peak_volume_left_db", "bus_idx", "channel"), &AudioServer::get_bus_peak_volume_left_db);
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ClassDB::bind_method(D_METHOD("get_bus_peak_volume_right_db", "bus_idx", "channel"), &AudioServer::get_bus_peak_volume_right_db);
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ClassDB::bind_method(D_METHOD("set_global_rate_scale", "scale"), &AudioServer::set_global_rate_scale);
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ClassDB::bind_method(D_METHOD("get_global_rate_scale"), &AudioServer::get_global_rate_scale);
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ClassDB::bind_method(D_METHOD("lock"), &AudioServer::lock);
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ClassDB::bind_method(D_METHOD("unlock"), &AudioServer::unlock);
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@ -1372,6 +1384,10 @@ void AudioServer::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_bus_layout", "bus_layout"), &AudioServer::set_bus_layout);
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ClassDB::bind_method(D_METHOD("generate_bus_layout"), &AudioServer::generate_bus_layout);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "bus_count"), "set_bus_count", "get_bus_count");
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "device"), "set_device", "get_device");
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "global_rate_scale"), "set_global_rate_scale", "get_global_rate_scale");
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ADD_SIGNAL(MethodInfo("bus_layout_changed"));
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BIND_ENUM_CONSTANT(SPEAKER_MODE_STEREO);
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@ -1396,6 +1412,7 @@ AudioServer::AudioServer() {
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#endif
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mix_time = 0;
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mix_size = 0;
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global_rate_scale = 1;
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}
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AudioServer::~AudioServer() {
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@ -181,6 +181,8 @@ private:
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int channel_count;
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int to_mix;
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float global_rate_scale;
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struct Bus {
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StringName name;
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@ -339,6 +341,9 @@ public:
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bool is_bus_channel_active(int p_bus, int p_channel) const;
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void set_global_rate_scale(float p_scale);
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float get_global_rate_scale() const;
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virtual void init();
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virtual void finish();
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virtual void update();
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