virtualx-engine/servers/audio_server.cpp

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/*************************************************************************/
/* audio_server.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
/* 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. */
/*************************************************************************/
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#include "audio_server.h"
#include "core/debugger/engine_debugger.h"
#include "core/io/resource_loader.h"
#include "core/os/file_access.h"
#include "core/os/os.h"
#include "core/project_settings.h"
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#include "scene/resources/audio_stream_sample.h"
#include "servers/audio/audio_driver_dummy.h"
#include "servers/audio/effects/audio_effect_compressor.h"
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#ifdef TOOLS_ENABLED
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#define MARK_EDITED set_edited(true);
#else
#define MARK_EDITED
#endif
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AudioDriver *AudioDriver::singleton = nullptr;
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AudioDriver *AudioDriver::get_singleton() {
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return singleton;
}
void AudioDriver::set_singleton() {
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singleton = this;
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}
void AudioDriver::audio_server_process(int p_frames, int32_t *p_buffer, bool p_update_mix_time) {
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if (p_update_mix_time)
update_mix_time(p_frames);
if (AudioServer::get_singleton())
AudioServer::get_singleton()->_driver_process(p_frames, p_buffer);
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}
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void AudioDriver::update_mix_time(int p_frames) {
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_last_mix_frames = p_frames;
if (OS::get_singleton())
_last_mix_time = OS::get_singleton()->get_ticks_usec();
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}
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double AudioDriver::get_time_since_last_mix() const {
return (OS::get_singleton()->get_ticks_usec() - _last_mix_time) / 1000000.0;
}
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double AudioDriver::get_time_to_next_mix() const {
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double total = (OS::get_singleton()->get_ticks_usec() - _last_mix_time) / 1000000.0;
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double mix_buffer = _last_mix_frames / (double)get_mix_rate();
return mix_buffer - total;
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}
void AudioDriver::input_buffer_init(int driver_buffer_frames) {
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const int input_buffer_channels = 2;
input_buffer.resize(driver_buffer_frames * input_buffer_channels * 4);
input_position = 0;
input_size = 0;
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}
void AudioDriver::input_buffer_write(int32_t sample) {
if ((int)input_position < input_buffer.size()) {
input_buffer.write[input_position++] = sample;
if ((int)input_position >= input_buffer.size()) {
input_position = 0;
}
if ((int)input_size < input_buffer.size()) {
input_size++;
}
} else {
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WARN_PRINT("input_buffer_write: Invalid input_position=" + itos(input_position) + " input_buffer.size()=" + itos(input_buffer.size()));
}
}
AudioDriver::SpeakerMode AudioDriver::get_speaker_mode_by_total_channels(int p_channels) const {
switch (p_channels) {
case 4: return SPEAKER_SURROUND_31;
case 6: return SPEAKER_SURROUND_51;
case 8: return SPEAKER_SURROUND_71;
}
// Default to STEREO
return SPEAKER_MODE_STEREO;
}
int AudioDriver::get_total_channels_by_speaker_mode(AudioDriver::SpeakerMode p_mode) const {
switch (p_mode) {
case SPEAKER_MODE_STEREO: return 2;
case SPEAKER_SURROUND_31: return 4;
case SPEAKER_SURROUND_51: return 6;
case SPEAKER_SURROUND_71: return 8;
}
ERR_FAIL_V(2);
}
Array AudioDriver::get_device_list() {
Array list;
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list.push_back("Default");
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return list;
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}
String AudioDriver::get_device() {
return "Default";
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}
Array AudioDriver::capture_get_device_list() {
Array list;
list.push_back("Default");
return list;
}
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AudioDriver::AudioDriver() {
_last_mix_time = 0;
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_last_mix_frames = 0;
input_position = 0;
input_size = 0;
#ifdef DEBUG_ENABLED
prof_time = 0;
#endif
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}
AudioDriverDummy AudioDriverManager::dummy_driver;
AudioDriver *AudioDriverManager::drivers[MAX_DRIVERS] = {
&AudioDriverManager::dummy_driver,
};
int AudioDriverManager::driver_count = 1;
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void AudioDriverManager::add_driver(AudioDriver *p_driver) {
ERR_FAIL_COND(driver_count >= MAX_DRIVERS);
drivers[driver_count - 1] = p_driver;
// Last driver is always our dummy driver
drivers[driver_count++] = &AudioDriverManager::dummy_driver;
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}
int AudioDriverManager::get_driver_count() {
return driver_count;
}
void AudioDriverManager::initialize(int p_driver) {
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GLOBAL_DEF_RST("audio/enable_audio_input", false);
int failed_driver = -1;
// Check if there is a selected driver
if (p_driver >= 0 && p_driver < driver_count) {
if (drivers[p_driver]->init() == OK) {
drivers[p_driver]->set_singleton();
return;
} else {
failed_driver = p_driver;
}
}
// No selected driver, try them all in order
for (int i = 0; i < driver_count; i++) {
// Don't re-init the driver if it failed above
if (i == failed_driver) {
continue;
}
if (drivers[i]->init() == OK) {
drivers[i]->set_singleton();
break;
}
}
Fix various warnings: [-Waddress], [-Wpointer-arith], [-Wwrite-strings], [-Wreturn-local-addr] and more Fixes the following GCC 5 warnings: ``` core/os/file_access.cpp:49:19: warning: the address of 'FileAccess::create_func' will always evaluate as 'true' [-Waddress] servers/audio_server.cpp:192:70: warning: comparison with string literal results in unspecified behaviour [-Waddress] drivers/gles2/rasterizer_storage_gles2.cpp:4095:90: warning: NULL used in arithmetic [-Wpointer-arith] modules/gdnative/register_types.cpp:237:3: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings] platform/android/export/export.cpp:207:1: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings] modules/gdscript/gdscript.h:150:67: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:119:56: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:123:56: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:127:50: warning: returning reference to temporary [-Wreturn-local-addr] servers/physics_2d/collision_object_2d_sw.h:131:52: warning: returning reference to temporary [-Wreturn-local-addr] editor/plugins/skeleton_editor_plugin.cpp:34:36: warning: extra tokens at end of #include directive modules/bullet/bullet_types_converter.cpp:31:9: warning: #pragma once in main file editor/import/editor_scene_importer_gltf.cpp:1996:51: warning: name lookup of 'i' changed modules/visual_script/visual_script_property_selector.cpp:402:45: warning: name lookup of 'E' changed scene/gui/tree.cpp:1268:25: warning: name lookup of 'i' changed scene/resources/visual_shader.cpp:808:32: warning: name lookup of 'i' changed ```
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if (driver_count > 1 && String(AudioDriver::get_singleton()->get_name()) == "Dummy") {
WARN_PRINT("All audio drivers failed, falling back to the dummy driver.");
}
}
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AudioDriver *AudioDriverManager::get_driver(int p_driver) {
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ERR_FAIL_INDEX_V(p_driver, driver_count, nullptr);
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return drivers[p_driver];
}
//////////////////////////////////////////////
//////////////////////////////////////////////
//////////////////////////////////////////////
//////////////////////////////////////////////
void AudioServer::_driver_process(int p_frames, int32_t *p_buffer) {
int todo = p_frames;
#ifdef DEBUG_ENABLED
uint64_t prof_ticks = OS::get_singleton()->get_ticks_usec();
#endif
if (channel_count != get_channel_count()) {
// Amount of channels changed due to a device change
// reinitialize the buses channels and buffers
init_channels_and_buffers();
}
while (todo) {
if (to_mix == 0) {
_mix_step();
}
int to_copy = MIN(to_mix, todo);
Bus *master = buses[0];
int from = buffer_size - to_mix;
int from_buf = p_frames - todo;
//master master, send to output
int cs = master->channels.size();
for (int k = 0; k < cs; k++) {
if (master->channels[k].active) {
const AudioFrame *buf = master->channels[k].buffer.ptr();
for (int j = 0; j < to_copy; j++) {
float l = CLAMP(buf[from + j].l, -1.0, 1.0);
int32_t vl = l * ((1 << 20) - 1);
int32_t vl2 = (vl < 0 ? -1 : 1) * (ABS(vl) << 11);
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 0] = vl2;
float r = CLAMP(buf[from + j].r, -1.0, 1.0);
int32_t vr = r * ((1 << 20) - 1);
int32_t vr2 = (vr < 0 ? -1 : 1) * (ABS(vr) << 11);
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 1] = vr2;
}
} else {
for (int j = 0; j < to_copy; j++) {
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 0] = 0;
p_buffer[(from_buf + j) * (cs * 2) + k * 2 + 1] = 0;
}
}
}
todo -= to_copy;
to_mix -= to_copy;
}
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#ifdef DEBUG_ENABLED
prof_time += OS::get_singleton()->get_ticks_usec() - prof_ticks;
#endif
}
void AudioServer::_mix_step() {
bool solo_mode = false;
for (int i = 0; i < buses.size(); i++) {
Bus *bus = buses[i];
bus->index_cache = i; //might be moved around by editor, so..
for (int k = 0; k < bus->channels.size(); k++) {
bus->channels.write[k].used = false;
}
if (bus->solo) {
//solo chain
solo_mode = true;
bus->soloed = true;
do {
if (bus != buses[0]) {
//everything has a send save for master bus
if (!bus_map.has(bus->send)) {
bus = buses[0]; //send to master
} else {
int prev_index_cache = bus->index_cache;
bus = bus_map[bus->send];
if (prev_index_cache >= bus->index_cache) { //invalid, send to master
bus = buses[0];
}
}
bus->soloed = true;
} else {
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bus = nullptr;
}
} while (bus);
} else {
bus->soloed = false;
}
}
//make callbacks for mixing the audio
for (Set<CallbackItem>::Element *E = callbacks.front(); E; E = E->next()) {
E->get().callback(E->get().userdata);
}
for (int i = buses.size() - 1; i >= 0; i--) {
//go bus by bus
Bus *bus = buses[i];
for (int k = 0; k < bus->channels.size(); k++) {
if (bus->channels[k].active && !bus->channels[k].used) {
//buffer was not used, but it's still active, so it must be cleaned
AudioFrame *buf = bus->channels.write[k].buffer.ptrw();
for (uint32_t j = 0; j < buffer_size; j++) {
buf[j] = AudioFrame(0, 0);
}
}
}
//process effects
if (!bus->bypass) {
for (int j = 0; j < bus->effects.size(); j++) {
if (!bus->effects[j].enabled)
continue;
#ifdef DEBUG_ENABLED
uint64_t ticks = OS::get_singleton()->get_ticks_usec();
#endif
for (int k = 0; k < bus->channels.size(); k++) {
if (!(bus->channels[k].active || bus->channels[k].effect_instances[j]->process_silence()))
continue;
bus->channels.write[k].effect_instances.write[j]->process(bus->channels[k].buffer.ptr(), temp_buffer.write[k].ptrw(), buffer_size);
}
//swap buffers, so internal buffer always has the right data
for (int k = 0; k < bus->channels.size(); k++) {
if (!(buses[i]->channels[k].active || bus->channels[k].effect_instances[j]->process_silence()))
continue;
SWAP(bus->channels.write[k].buffer, temp_buffer.write[k]);
}
#ifdef DEBUG_ENABLED
bus->effects.write[j].prof_time += OS::get_singleton()->get_ticks_usec() - ticks;
#endif
}
}
//process send
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Bus *send = nullptr;
if (i > 0) {
//everything has a send save for master bus
if (!bus_map.has(bus->send)) {
send = buses[0];
} else {
send = bus_map[bus->send];
if (send->index_cache >= bus->index_cache) { //invalid, send to master
send = buses[0];
}
}
}
for (int k = 0; k < bus->channels.size(); k++) {
if (!bus->channels[k].active)
continue;
AudioFrame *buf = bus->channels.write[k].buffer.ptrw();
AudioFrame peak = AudioFrame(0, 0);
float volume = Math::db2linear(bus->volume_db);
if (solo_mode) {
if (!bus->soloed) {
volume = 0.0;
}
} else {
if (bus->mute) {
volume = 0.0;
}
}
//apply volume and compute peak
for (uint32_t j = 0; j < buffer_size; j++) {
buf[j] *= volume;
float l = ABS(buf[j].l);
if (l > peak.l) {
peak.l = l;
}
float r = ABS(buf[j].r);
if (r > peak.r) {
peak.r = r;
}
}
bus->channels.write[k].peak_volume = AudioFrame(Math::linear2db(peak.l + 0.0000000001), Math::linear2db(peak.r + 0.0000000001));
if (!bus->channels[k].used) {
//see if any audio is contained, because channel was not used
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if (MAX(peak.r, peak.l) > Math::db2linear(channel_disable_threshold_db)) {
bus->channels.write[k].last_mix_with_audio = mix_frames;
} else if (mix_frames - bus->channels[k].last_mix_with_audio > channel_disable_frames) {
bus->channels.write[k].active = false;
continue; //went inactive, don't mix.
}
}
if (send) {
//if not master bus, send
AudioFrame *target_buf = thread_get_channel_mix_buffer(send->index_cache, k);
for (uint32_t j = 0; j < buffer_size; j++) {
target_buf[j] += buf[j];
}
}
}
}
mix_frames += buffer_size;
to_mix = buffer_size;
}
bool AudioServer::thread_has_channel_mix_buffer(int p_bus, int p_buffer) const {
if (p_bus < 0 || p_bus >= buses.size())
return false;
if (p_buffer < 0 || p_buffer >= buses[p_bus]->channels.size())
return false;
return true;
}
AudioFrame *AudioServer::thread_get_channel_mix_buffer(int p_bus, int p_buffer) {
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ERR_FAIL_INDEX_V(p_bus, buses.size(), nullptr);
ERR_FAIL_INDEX_V(p_buffer, buses[p_bus]->channels.size(), nullptr);
AudioFrame *data = buses.write[p_bus]->channels.write[p_buffer].buffer.ptrw();
if (!buses[p_bus]->channels[p_buffer].used) {
buses.write[p_bus]->channels.write[p_buffer].used = true;
buses.write[p_bus]->channels.write[p_buffer].active = true;
buses.write[p_bus]->channels.write[p_buffer].last_mix_with_audio = mix_frames;
for (uint32_t i = 0; i < buffer_size; i++) {
data[i] = AudioFrame(0, 0);
}
}
return data;
}
int AudioServer::thread_get_mix_buffer_size() const {
return buffer_size;
}
int AudioServer::thread_find_bus_index(const StringName &p_name) {
if (bus_map.has(p_name)) {
return bus_map[p_name]->index_cache;
} else {
return 0;
}
}
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void AudioServer::set_bus_count(int p_count) {
ERR_FAIL_COND(p_count < 1);
ERR_FAIL_INDEX(p_count, 256);
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MARK_EDITED
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lock();
int cb = buses.size();
if (p_count < buses.size()) {
for (int i = p_count; i < buses.size(); i++) {
bus_map.erase(buses[i]->name);
memdelete(buses[i]);
}
}
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buses.resize(p_count);
for (int i = cb; i < buses.size(); i++) {
String attempt = "New Bus";
int attempts = 1;
while (true) {
bool name_free = true;
for (int j = 0; j < i; j++) {
if (buses[j]->name == attempt) {
name_free = false;
break;
}
}
if (!name_free) {
attempts++;
attempt = "New Bus " + itos(attempts);
} else {
break;
}
}
buses.write[i] = memnew(Bus);
buses.write[i]->channels.resize(channel_count);
for (int j = 0; j < channel_count; j++) {
buses.write[i]->channels.write[j].buffer.resize(buffer_size);
}
buses[i]->name = attempt;
buses[i]->solo = false;
buses[i]->mute = false;
buses[i]->bypass = false;
buses[i]->volume_db = 0;
if (i > 0) {
buses[i]->send = "Master";
}
bus_map[attempt] = buses[i];
}
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unlock();
emit_signal("bus_layout_changed");
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}
void AudioServer::remove_bus(int p_index) {
ERR_FAIL_INDEX(p_index, buses.size());
ERR_FAIL_COND(p_index == 0);
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MARK_EDITED
lock();
bus_map.erase(buses[p_index]->name);
memdelete(buses[p_index]);
buses.remove(p_index);
unlock();
emit_signal("bus_layout_changed");
}
void AudioServer::add_bus(int p_at_pos) {
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MARK_EDITED
if (p_at_pos >= buses.size()) {
p_at_pos = -1;
} else if (p_at_pos == 0) {
if (buses.size() > 1)
p_at_pos = 1;
else
p_at_pos = -1;
}
String attempt = "New Bus";
int attempts = 1;
while (true) {
bool name_free = true;
for (int j = 0; j < buses.size(); j++) {
if (buses[j]->name == attempt) {
name_free = false;
break;
}
}
if (!name_free) {
attempts++;
attempt = "New Bus " + itos(attempts);
} else {
break;
}
}
Bus *bus = memnew(Bus);
bus->channels.resize(channel_count);
for (int j = 0; j < channel_count; j++) {
bus->channels.write[j].buffer.resize(buffer_size);
}
bus->name = attempt;
bus->solo = false;
bus->mute = false;
bus->bypass = false;
bus->volume_db = 0;
bus_map[attempt] = bus;
if (p_at_pos == -1)
buses.push_back(bus);
else
buses.insert(p_at_pos, bus);
emit_signal("bus_layout_changed");
}
void AudioServer::move_bus(int p_bus, int p_to_pos) {
ERR_FAIL_COND(p_bus < 1 || p_bus >= buses.size());
ERR_FAIL_COND(p_to_pos != -1 && (p_to_pos < 1 || p_to_pos > buses.size()));
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MARK_EDITED
if (p_bus == p_to_pos)
return;
Bus *bus = buses[p_bus];
buses.remove(p_bus);
if (p_to_pos == -1) {
buses.push_back(bus);
} else if (p_to_pos < p_bus) {
buses.insert(p_to_pos, bus);
} else {
buses.insert(p_to_pos - 1, bus);
}
emit_signal("bus_layout_changed");
}
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int AudioServer::get_bus_count() const {
return buses.size();
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}
void AudioServer::set_bus_name(int p_bus, const String &p_name) {
ERR_FAIL_INDEX(p_bus, buses.size());
if (p_bus == 0 && p_name != "Master")
return; //bus 0 is always master
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MARK_EDITED
lock();
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if (buses[p_bus]->name == p_name) {
unlock();
return;
}
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String attempt = p_name;
int attempts = 1;
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while (true) {
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bool name_free = true;
for (int i = 0; i < buses.size(); i++) {
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if (buses[i]->name == attempt) {
name_free = false;
break;
}
}
if (name_free) {
break;
}
attempts++;
attempt = p_name + " " + itos(attempts);
}
bus_map.erase(buses[p_bus]->name);
buses[p_bus]->name = attempt;
bus_map[attempt] = buses[p_bus];
unlock();
emit_signal("bus_layout_changed");
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}
String AudioServer::get_bus_name(int p_bus) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), String());
return buses[p_bus]->name;
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}
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int AudioServer::get_bus_index(const StringName &p_bus_name) const {
for (int i = 0; i < buses.size(); ++i) {
if (buses[i]->name == p_bus_name) {
return i;
}
}
return -1;
}
void AudioServer::set_bus_volume_db(int p_bus, float p_volume_db) {
ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
buses[p_bus]->volume_db = p_volume_db;
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}
float AudioServer::get_bus_volume_db(int p_bus) const {
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ERR_FAIL_INDEX_V(p_bus, buses.size(), 0);
return buses[p_bus]->volume_db;
}
int AudioServer::get_bus_channels(int p_bus) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), 0);
return buses[p_bus]->channels.size();
}
void AudioServer::set_bus_send(int p_bus, const StringName &p_send) {
ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
buses[p_bus]->send = p_send;
}
StringName AudioServer::get_bus_send(int p_bus) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), StringName());
return buses[p_bus]->send;
}
void AudioServer::set_bus_solo(int p_bus, bool p_enable) {
ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
buses[p_bus]->solo = p_enable;
}
bool AudioServer::is_bus_solo(int p_bus) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), false);
return buses[p_bus]->solo;
}
void AudioServer::set_bus_mute(int p_bus, bool p_enable) {
ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
buses[p_bus]->mute = p_enable;
}
bool AudioServer::is_bus_mute(int p_bus) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), false);
return buses[p_bus]->mute;
}
void AudioServer::set_bus_bypass_effects(int p_bus, bool p_enable) {
ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
buses[p_bus]->bypass = p_enable;
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}
bool AudioServer::is_bus_bypassing_effects(int p_bus) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), false);
return buses[p_bus]->bypass;
}
void AudioServer::_update_bus_effects(int p_bus) {
for (int i = 0; i < buses[p_bus]->channels.size(); i++) {
buses.write[p_bus]->channels.write[i].effect_instances.resize(buses[p_bus]->effects.size());
for (int j = 0; j < buses[p_bus]->effects.size(); j++) {
Ref<AudioEffectInstance> fx = buses.write[p_bus]->effects.write[j].effect->instance();
if (Object::cast_to<AudioEffectCompressorInstance>(*fx)) {
Object::cast_to<AudioEffectCompressorInstance>(*fx)->set_current_channel(i);
}
buses.write[p_bus]->channels.write[i].effect_instances.write[j] = fx;
}
}
}
void AudioServer::add_bus_effect(int p_bus, const Ref<AudioEffect> &p_effect, int p_at_pos) {
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ERR_FAIL_COND(p_effect.is_null());
ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
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lock();
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Bus::Effect fx;
fx.effect = p_effect;
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//fx.instance=p_effect->instance();
fx.enabled = true;
#ifdef DEBUG_ENABLED
fx.prof_time = 0;
#endif
if (p_at_pos >= buses[p_bus]->effects.size() || p_at_pos < 0) {
buses[p_bus]->effects.push_back(fx);
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} else {
buses[p_bus]->effects.insert(p_at_pos, fx);
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}
_update_bus_effects(p_bus);
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unlock();
}
void AudioServer::remove_bus_effect(int p_bus, int p_effect) {
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ERR_FAIL_INDEX(p_bus, buses.size());
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MARK_EDITED
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lock();
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buses[p_bus]->effects.remove(p_effect);
_update_bus_effects(p_bus);
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unlock();
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}
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int AudioServer::get_bus_effect_count(int p_bus) {
ERR_FAIL_INDEX_V(p_bus, buses.size(), 0);
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return buses[p_bus]->effects.size();
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}
Ref<AudioEffectInstance> AudioServer::get_bus_effect_instance(int p_bus, int p_effect, int p_channel) {
ERR_FAIL_INDEX_V(p_bus, buses.size(), Ref<AudioEffectInstance>());
ERR_FAIL_INDEX_V(p_effect, buses[p_bus]->effects.size(), Ref<AudioEffectInstance>());
ERR_FAIL_INDEX_V(p_channel, buses[p_bus]->channels.size(), Ref<AudioEffectInstance>());
return buses[p_bus]->channels[p_channel].effect_instances[p_effect];
}
Ref<AudioEffect> AudioServer::get_bus_effect(int p_bus, int p_effect) {
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ERR_FAIL_INDEX_V(p_bus, buses.size(), Ref<AudioEffect>());
ERR_FAIL_INDEX_V(p_effect, buses[p_bus]->effects.size(), Ref<AudioEffect>());
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return buses[p_bus]->effects[p_effect].effect;
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}
void AudioServer::swap_bus_effects(int p_bus, int p_effect, int p_by_effect) {
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ERR_FAIL_INDEX(p_bus, buses.size());
ERR_FAIL_INDEX(p_effect, buses[p_bus]->effects.size());
ERR_FAIL_INDEX(p_by_effect, buses[p_bus]->effects.size());
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MARK_EDITED
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lock();
SWAP(buses.write[p_bus]->effects.write[p_effect], buses.write[p_bus]->effects.write[p_by_effect]);
_update_bus_effects(p_bus);
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unlock();
}
void AudioServer::set_bus_effect_enabled(int p_bus, int p_effect, bool p_enabled) {
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ERR_FAIL_INDEX(p_bus, buses.size());
ERR_FAIL_INDEX(p_effect, buses[p_bus]->effects.size());
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MARK_EDITED
buses.write[p_bus]->effects.write[p_effect].enabled = p_enabled;
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}
bool AudioServer::is_bus_effect_enabled(int p_bus, int p_effect) const {
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ERR_FAIL_INDEX_V(p_bus, buses.size(), false);
ERR_FAIL_INDEX_V(p_effect, buses[p_bus]->effects.size(), false);
return buses[p_bus]->effects[p_effect].enabled;
}
float AudioServer::get_bus_peak_volume_left_db(int p_bus, int p_channel) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), 0);
ERR_FAIL_INDEX_V(p_channel, buses[p_bus]->channels.size(), 0);
return buses[p_bus]->channels[p_channel].peak_volume.l;
}
float AudioServer::get_bus_peak_volume_right_db(int p_bus, int p_channel) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), 0);
ERR_FAIL_INDEX_V(p_channel, buses[p_bus]->channels.size(), 0);
return buses[p_bus]->channels[p_channel].peak_volume.r;
}
bool AudioServer::is_bus_channel_active(int p_bus, int p_channel) const {
ERR_FAIL_INDEX_V(p_bus, buses.size(), false);
ERR_FAIL_INDEX_V(p_channel, buses[p_bus]->channels.size(), false);
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) {
global_rate_scale = p_scale;
}
float AudioServer::get_global_rate_scale() const {
return global_rate_scale;
}
void AudioServer::init_channels_and_buffers() {
channel_count = get_channel_count();
temp_buffer.resize(channel_count);
for (int i = 0; i < temp_buffer.size(); i++) {
temp_buffer.write[i].resize(buffer_size);
}
for (int i = 0; i < buses.size(); i++) {
buses[i]->channels.resize(channel_count);
for (int j = 0; j < channel_count; j++) {
buses.write[i]->channels.write[j].buffer.resize(buffer_size);
}
}
}
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void AudioServer::init() {
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channel_disable_threshold_db = GLOBAL_DEF_RST("audio/channel_disable_threshold_db", -60.0);
channel_disable_frames = float(GLOBAL_DEF_RST("audio/channel_disable_time", 2.0)) * get_mix_rate();
ProjectSettings::get_singleton()->set_custom_property_info("audio/channel_disable_time", PropertyInfo(Variant::FLOAT, "audio/channel_disable_time", PROPERTY_HINT_RANGE, "0,5,0.01,or_greater"));
buffer_size = 1024; //hardcoded for now
init_channels_and_buffers();
mix_count = 0;
set_bus_count(1);
set_bus_name(0, "Master");
if (AudioDriver::get_singleton())
AudioDriver::get_singleton()->start();
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#ifdef TOOLS_ENABLED
set_edited(false); //avoid editors from thinking this was edited
#endif
GLOBAL_DEF_RST("audio/video_delay_compensation_ms", 0);
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}
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void AudioServer::update() {
#ifdef DEBUG_ENABLED
if (EngineDebugger::is_profiling("servers")) {
// Driver time includes server time + effects times
// Server time includes effects times
uint64_t driver_time = AudioDriver::get_singleton()->get_profiling_time();
uint64_t server_time = prof_time;
// Subtract the server time from the driver time
if (driver_time > server_time)
driver_time -= server_time;
Array values;
for (int i = buses.size() - 1; i >= 0; i--) {
Bus *bus = buses[i];
if (bus->bypass)
continue;
for (int j = 0; j < bus->effects.size(); j++) {
if (!bus->effects[j].enabled)
continue;
values.push_back(String(bus->name) + bus->effects[j].effect->get_name());
values.push_back(USEC_TO_SEC(bus->effects[j].prof_time));
// Subtract the effect time from the driver and server times
if (driver_time > bus->effects[j].prof_time)
driver_time -= bus->effects[j].prof_time;
if (server_time > bus->effects[j].prof_time)
server_time -= bus->effects[j].prof_time;
}
}
values.push_back("audio_server");
values.push_back(USEC_TO_SEC(server_time));
values.push_back("audio_driver");
values.push_back(USEC_TO_SEC(driver_time));
values.push_front("audio_thread");
EngineDebugger::profiler_add_frame_data("servers", values);
}
// Reset profiling times
for (int i = buses.size() - 1; i >= 0; i--) {
Bus *bus = buses[i];
if (bus->bypass)
continue;
for (int j = 0; j < bus->effects.size(); j++) {
if (!bus->effects[j].enabled)
continue;
bus->effects.write[j].prof_time = 0;
}
}
AudioDriver::get_singleton()->reset_profiling_time();
prof_time = 0;
#endif
for (Set<CallbackItem>::Element *E = update_callbacks.front(); E; E = E->next()) {
E->get().callback(E->get().userdata);
}
}
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void AudioServer::load_default_bus_layout() {
String layout_path = ProjectSettings::get_singleton()->get("audio/default_bus_layout");
if (ResourceLoader::exists(layout_path)) {
Ref<AudioBusLayout> default_layout = ResourceLoader::load(layout_path);
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if (default_layout.is_valid()) {
set_bus_layout(default_layout);
}
}
}
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void AudioServer::finish() {
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for (int i = 0; i < AudioDriverManager::get_driver_count(); i++) {
AudioDriverManager::get_driver(i)->finish();
}
for (int i = 0; i < buses.size(); i++) {
memdelete(buses[i]);
}
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buses.clear();
}
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/* MISC config */
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void AudioServer::lock() {
AudioDriver::get_singleton()->lock();
}
void AudioServer::unlock() {
AudioDriver::get_singleton()->unlock();
}
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AudioServer::SpeakerMode AudioServer::get_speaker_mode() const {
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return (AudioServer::SpeakerMode)AudioDriver::get_singleton()->get_speaker_mode();
}
float AudioServer::get_mix_rate() const {
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return AudioDriver::get_singleton()->get_mix_rate();
}
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float AudioServer::read_output_peak_db() const {
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return 0;
}
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AudioServer *AudioServer::get_singleton() {
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return singleton;
}
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double AudioServer::get_output_latency() const {
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return AudioDriver::get_singleton()->get_latency();
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}
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double AudioServer::get_time_to_next_mix() const {
return AudioDriver::get_singleton()->get_time_to_next_mix();
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}
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double AudioServer::get_time_since_last_mix() const {
return AudioDriver::get_singleton()->get_time_since_last_mix();
}
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AudioServer *AudioServer::singleton = nullptr;
void AudioServer::add_callback(AudioCallback p_callback, void *p_userdata) {
lock();
CallbackItem ci;
ci.callback = p_callback;
ci.userdata = p_userdata;
callbacks.insert(ci);
unlock();
}
void AudioServer::remove_callback(AudioCallback p_callback, void *p_userdata) {
lock();
CallbackItem ci;
ci.callback = p_callback;
ci.userdata = p_userdata;
callbacks.erase(ci);
unlock();
}
void AudioServer::add_update_callback(AudioCallback p_callback, void *p_userdata) {
lock();
CallbackItem ci;
ci.callback = p_callback;
ci.userdata = p_userdata;
update_callbacks.insert(ci);
unlock();
}
void AudioServer::remove_update_callback(AudioCallback p_callback, void *p_userdata) {
lock();
CallbackItem ci;
ci.callback = p_callback;
ci.userdata = p_userdata;
update_callbacks.erase(ci);
unlock();
}
void AudioServer::set_bus_layout(const Ref<AudioBusLayout> &p_bus_layout) {
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ERR_FAIL_COND(p_bus_layout.is_null() || p_bus_layout->buses.size() == 0);
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lock();
for (int i = 0; i < buses.size(); i++) {
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memdelete(buses[i]);
}
buses.resize(p_bus_layout->buses.size());
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bus_map.clear();
for (int i = 0; i < p_bus_layout->buses.size(); i++) {
Bus *bus = memnew(Bus);
if (i == 0) {
bus->name = "Master";
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} else {
bus->name = p_bus_layout->buses[i].name;
bus->send = p_bus_layout->buses[i].send;
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}
bus->solo = p_bus_layout->buses[i].solo;
bus->mute = p_bus_layout->buses[i].mute;
bus->bypass = p_bus_layout->buses[i].bypass;
bus->volume_db = p_bus_layout->buses[i].volume_db;
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for (int j = 0; j < p_bus_layout->buses[i].effects.size(); j++) {
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Ref<AudioEffect> fx = p_bus_layout->buses[i].effects[j].effect;
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if (fx.is_valid()) {
Bus::Effect bfx;
bfx.effect = fx;
bfx.enabled = p_bus_layout->buses[i].effects[j].enabled;
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bus->effects.push_back(bfx);
}
}
bus_map[bus->name] = bus;
buses.write[i] = bus;
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buses[i]->channels.resize(channel_count);
for (int j = 0; j < channel_count; j++) {
buses.write[i]->channels.write[j].buffer.resize(buffer_size);
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}
_update_bus_effects(i);
}
#ifdef TOOLS_ENABLED
set_edited(false);
#endif
unlock();
}
Ref<AudioBusLayout> AudioServer::generate_bus_layout() const {
Ref<AudioBusLayout> state;
state.instance();
state->buses.resize(buses.size());
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for (int i = 0; i < buses.size(); i++) {
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state->buses.write[i].name = buses[i]->name;
state->buses.write[i].send = buses[i]->send;
state->buses.write[i].mute = buses[i]->mute;
state->buses.write[i].solo = buses[i]->solo;
state->buses.write[i].bypass = buses[i]->bypass;
state->buses.write[i].volume_db = buses[i]->volume_db;
for (int j = 0; j < buses[i]->effects.size(); j++) {
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AudioBusLayout::Bus::Effect fx;
fx.effect = buses[i]->effects[j].effect;
fx.enabled = buses[i]->effects[j].enabled;
state->buses.write[i].effects.push_back(fx);
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}
}
return state;
}
Array AudioServer::get_device_list() {
return AudioDriver::get_singleton()->get_device_list();
}
String AudioServer::get_device() {
return AudioDriver::get_singleton()->get_device();
}
void AudioServer::set_device(String device) {
AudioDriver::get_singleton()->set_device(device);
}
Array AudioServer::capture_get_device_list() {
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return AudioDriver::get_singleton()->capture_get_device_list();
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}
String AudioServer::capture_get_device() {
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return AudioDriver::get_singleton()->capture_get_device();
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}
void AudioServer::capture_set_device(const String &p_name) {
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AudioDriver::get_singleton()->capture_set_device(p_name);
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}
void AudioServer::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_bus_count", "amount"), &AudioServer::set_bus_count);
ClassDB::bind_method(D_METHOD("get_bus_count"), &AudioServer::get_bus_count);
ClassDB::bind_method(D_METHOD("remove_bus", "index"), &AudioServer::remove_bus);
ClassDB::bind_method(D_METHOD("add_bus", "at_position"), &AudioServer::add_bus, DEFVAL(-1));
ClassDB::bind_method(D_METHOD("move_bus", "index", "to_index"), &AudioServer::move_bus);
ClassDB::bind_method(D_METHOD("set_bus_name", "bus_idx", "name"), &AudioServer::set_bus_name);
ClassDB::bind_method(D_METHOD("get_bus_name", "bus_idx"), &AudioServer::get_bus_name);
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ClassDB::bind_method(D_METHOD("get_bus_index", "bus_name"), &AudioServer::get_bus_index);
ClassDB::bind_method(D_METHOD("get_bus_channels", "bus_idx"), &AudioServer::get_bus_channels);
ClassDB::bind_method(D_METHOD("set_bus_volume_db", "bus_idx", "volume_db"), &AudioServer::set_bus_volume_db);
ClassDB::bind_method(D_METHOD("get_bus_volume_db", "bus_idx"), &AudioServer::get_bus_volume_db);
ClassDB::bind_method(D_METHOD("set_bus_send", "bus_idx", "send"), &AudioServer::set_bus_send);
ClassDB::bind_method(D_METHOD("get_bus_send", "bus_idx"), &AudioServer::get_bus_send);
ClassDB::bind_method(D_METHOD("set_bus_solo", "bus_idx", "enable"), &AudioServer::set_bus_solo);
ClassDB::bind_method(D_METHOD("is_bus_solo", "bus_idx"), &AudioServer::is_bus_solo);
ClassDB::bind_method(D_METHOD("set_bus_mute", "bus_idx", "enable"), &AudioServer::set_bus_mute);
ClassDB::bind_method(D_METHOD("is_bus_mute", "bus_idx"), &AudioServer::is_bus_mute);
ClassDB::bind_method(D_METHOD("set_bus_bypass_effects", "bus_idx", "enable"), &AudioServer::set_bus_bypass_effects);
ClassDB::bind_method(D_METHOD("is_bus_bypassing_effects", "bus_idx"), &AudioServer::is_bus_bypassing_effects);
ClassDB::bind_method(D_METHOD("add_bus_effect", "bus_idx", "effect", "at_position"), &AudioServer::add_bus_effect, DEFVAL(-1));
ClassDB::bind_method(D_METHOD("remove_bus_effect", "bus_idx", "effect_idx"), &AudioServer::remove_bus_effect);
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ClassDB::bind_method(D_METHOD("get_bus_effect_count", "bus_idx"), &AudioServer::get_bus_effect_count);
ClassDB::bind_method(D_METHOD("get_bus_effect", "bus_idx", "effect_idx"), &AudioServer::get_bus_effect);
ClassDB::bind_method(D_METHOD("get_bus_effect_instance", "bus_idx", "effect_idx", "channel"), &AudioServer::get_bus_effect_instance, DEFVAL(0));
ClassDB::bind_method(D_METHOD("swap_bus_effects", "bus_idx", "effect_idx", "by_effect_idx"), &AudioServer::swap_bus_effects);
ClassDB::bind_method(D_METHOD("set_bus_effect_enabled", "bus_idx", "effect_idx", "enabled"), &AudioServer::set_bus_effect_enabled);
ClassDB::bind_method(D_METHOD("is_bus_effect_enabled", "bus_idx", "effect_idx"), &AudioServer::is_bus_effect_enabled);
ClassDB::bind_method(D_METHOD("get_bus_peak_volume_left_db", "bus_idx", "channel"), &AudioServer::get_bus_peak_volume_left_db);
ClassDB::bind_method(D_METHOD("get_bus_peak_volume_right_db", "bus_idx", "channel"), &AudioServer::get_bus_peak_volume_right_db);
ClassDB::bind_method(D_METHOD("set_global_rate_scale", "scale"), &AudioServer::set_global_rate_scale);
ClassDB::bind_method(D_METHOD("get_global_rate_scale"), &AudioServer::get_global_rate_scale);
ClassDB::bind_method(D_METHOD("lock"), &AudioServer::lock);
ClassDB::bind_method(D_METHOD("unlock"), &AudioServer::unlock);
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_device_list"), &AudioServer::get_device_list);
ClassDB::bind_method(D_METHOD("get_device"), &AudioServer::get_device);
ClassDB::bind_method(D_METHOD("set_device", "device"), &AudioServer::set_device);
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ClassDB::bind_method(D_METHOD("get_time_to_next_mix"), &AudioServer::get_time_to_next_mix);
ClassDB::bind_method(D_METHOD("get_time_since_last_mix"), &AudioServer::get_time_since_last_mix);
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ClassDB::bind_method(D_METHOD("get_output_latency"), &AudioServer::get_output_latency);
ClassDB::bind_method(D_METHOD("capture_get_device_list"), &AudioServer::capture_get_device_list);
ClassDB::bind_method(D_METHOD("capture_get_device"), &AudioServer::capture_get_device);
ClassDB::bind_method(D_METHOD("capture_set_device", "name"), &AudioServer::capture_set_device);
ClassDB::bind_method(D_METHOD("set_bus_layout", "bus_layout"), &AudioServer::set_bus_layout);
ClassDB::bind_method(D_METHOD("generate_bus_layout"), &AudioServer::generate_bus_layout);
ADD_PROPERTY(PropertyInfo(Variant::INT, "bus_count"), "set_bus_count", "get_bus_count");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "device"), "set_device", "get_device");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "global_rate_scale"), "set_global_rate_scale", "get_global_rate_scale");
ADD_SIGNAL(MethodInfo("bus_layout_changed"));
BIND_ENUM_CONSTANT(SPEAKER_MODE_STEREO);
BIND_ENUM_CONSTANT(SPEAKER_SURROUND_31);
BIND_ENUM_CONSTANT(SPEAKER_SURROUND_51);
BIND_ENUM_CONSTANT(SPEAKER_SURROUND_71);
}
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AudioServer::AudioServer() {
singleton = this;
mix_frames = 0;
channel_count = 0;
to_mix = 0;
#ifdef DEBUG_ENABLED
prof_time = 0;
#endif
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mix_time = 0;
mix_size = 0;
global_rate_scale = 1;
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}
AudioServer::~AudioServer() {
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singleton = nullptr;
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}
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/////////////////////////////////
bool AudioBusLayout::_set(const StringName &p_name, const Variant &p_value) {
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String s = p_name;
if (s.begins_with("bus/")) {
int index = s.get_slice("/", 1).to_int();
if (buses.size() <= index) {
buses.resize(index + 1);
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}
Bus &bus = buses.write[index];
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String what = s.get_slice("/", 2);
if (what == "name") {
bus.name = p_value;
} else if (what == "solo") {
bus.solo = p_value;
} else if (what == "mute") {
bus.mute = p_value;
} else if (what == "bypass_fx") {
bus.bypass = p_value;
} else if (what == "volume_db") {
bus.volume_db = p_value;
} else if (what == "send") {
bus.send = p_value;
} else if (what == "effect") {
int which = s.get_slice("/", 3).to_int();
if (bus.effects.size() <= which) {
bus.effects.resize(which + 1);
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}
Bus::Effect &fx = bus.effects.write[which];
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String fxwhat = s.get_slice("/", 4);
if (fxwhat == "effect") {
fx.effect = p_value;
} else if (fxwhat == "enabled") {
fx.enabled = p_value;
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} else {
return false;
}
return true;
} else {
return false;
}
return true;
}
return false;
}
bool AudioBusLayout::_get(const StringName &p_name, Variant &r_ret) const {
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String s = p_name;
if (s.begins_with("bus/")) {
int index = s.get_slice("/", 1).to_int();
if (index < 0 || index >= buses.size())
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return false;
const Bus &bus = buses[index];
String what = s.get_slice("/", 2);
if (what == "name") {
r_ret = bus.name;
} else if (what == "solo") {
r_ret = bus.solo;
} else if (what == "mute") {
r_ret = bus.mute;
} else if (what == "bypass_fx") {
r_ret = bus.bypass;
} else if (what == "volume_db") {
r_ret = bus.volume_db;
} else if (what == "send") {
r_ret = bus.send;
} else if (what == "effect") {
int which = s.get_slice("/", 3).to_int();
if (which < 0 || which >= bus.effects.size()) {
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return false;
}
const Bus::Effect &fx = bus.effects[which];
String fxwhat = s.get_slice("/", 4);
if (fxwhat == "effect") {
r_ret = fx.effect;
} else if (fxwhat == "enabled") {
r_ret = fx.enabled;
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} else {
return false;
}
return true;
} else {
return false;
}
return true;
}
return false;
}
void AudioBusLayout::_get_property_list(List<PropertyInfo> *p_list) const {
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for (int i = 0; i < buses.size(); i++) {
p_list->push_back(PropertyInfo(Variant::STRING, "bus/" + itos(i) + "/name", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
p_list->push_back(PropertyInfo(Variant::BOOL, "bus/" + itos(i) + "/solo", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
p_list->push_back(PropertyInfo(Variant::BOOL, "bus/" + itos(i) + "/mute", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
p_list->push_back(PropertyInfo(Variant::BOOL, "bus/" + itos(i) + "/bypass_fx", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
p_list->push_back(PropertyInfo(Variant::FLOAT, "bus/" + itos(i) + "/volume_db", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
p_list->push_back(PropertyInfo(Variant::FLOAT, "bus/" + itos(i) + "/send", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
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for (int j = 0; j < buses[i].effects.size(); j++) {
p_list->push_back(PropertyInfo(Variant::OBJECT, "bus/" + itos(i) + "/effect/" + itos(j) + "/effect", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
p_list->push_back(PropertyInfo(Variant::BOOL, "bus/" + itos(i) + "/effect/" + itos(j) + "/enabled", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
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}
}
}
AudioBusLayout::AudioBusLayout() {
buses.resize(1);
buses.write[0].name = "Master";
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}