313 lines
10 KiB
C++
313 lines
10 KiB
C++
/**************************************************************************/
|
|
/* audio_stream_synchronized.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_synchronized.h"
|
|
|
|
#include "core/math/math_funcs.h"
|
|
#include "core/string/print_string.h"
|
|
|
|
AudioStreamSynchronized::AudioStreamSynchronized() {
|
|
}
|
|
|
|
Ref<AudioStreamPlayback> AudioStreamSynchronized::instantiate_playback() {
|
|
Ref<AudioStreamPlaybackSynchronized> playback_playlist;
|
|
playback_playlist.instantiate();
|
|
playback_playlist->stream = Ref<AudioStreamSynchronized>(this);
|
|
playback_playlist->_update_playback_instances();
|
|
playbacks.insert(playback_playlist.operator->());
|
|
return playback_playlist;
|
|
}
|
|
|
|
String AudioStreamSynchronized::get_stream_name() const {
|
|
return "Synchronized";
|
|
}
|
|
|
|
void AudioStreamSynchronized::set_sync_stream(int p_stream_index, Ref<AudioStream> p_stream) {
|
|
ERR_FAIL_COND(p_stream == this);
|
|
ERR_FAIL_INDEX(p_stream_index, MAX_STREAMS);
|
|
|
|
AudioServer::get_singleton()->lock();
|
|
audio_streams[p_stream_index] = p_stream;
|
|
for (AudioStreamPlaybackSynchronized *E : playbacks) {
|
|
E->_update_playback_instances();
|
|
}
|
|
AudioServer::get_singleton()->unlock();
|
|
}
|
|
|
|
Ref<AudioStream> AudioStreamSynchronized::get_sync_stream(int p_stream_index) const {
|
|
ERR_FAIL_INDEX_V(p_stream_index, MAX_STREAMS, Ref<AudioStream>());
|
|
|
|
return audio_streams[p_stream_index];
|
|
}
|
|
|
|
void AudioStreamSynchronized::set_sync_stream_volume(int p_stream_index, float p_db) {
|
|
ERR_FAIL_INDEX(p_stream_index, MAX_STREAMS);
|
|
audio_stream_volume_db[p_stream_index] = p_db;
|
|
}
|
|
|
|
float AudioStreamSynchronized::get_sync_stream_volume(int p_stream_index) const {
|
|
ERR_FAIL_INDEX_V(p_stream_index, MAX_STREAMS, 0);
|
|
return audio_stream_volume_db[p_stream_index];
|
|
}
|
|
|
|
double AudioStreamSynchronized::get_bpm() const {
|
|
for (int i = 0; i < stream_count; i++) {
|
|
if (audio_streams[i].is_valid()) {
|
|
double bpm = audio_streams[i]->get_bpm();
|
|
if (bpm != 0.0) {
|
|
return bpm;
|
|
}
|
|
}
|
|
}
|
|
return 0.0;
|
|
}
|
|
|
|
int AudioStreamSynchronized::get_beat_count() const {
|
|
int max_beats = 0;
|
|
for (int i = 0; i < stream_count; i++) {
|
|
if (audio_streams[i].is_valid()) {
|
|
max_beats = MAX(max_beats, audio_streams[i]->get_beat_count());
|
|
}
|
|
}
|
|
return max_beats;
|
|
}
|
|
|
|
bool AudioStreamSynchronized::has_loop() const {
|
|
for (int i = 0; i < stream_count; i++) {
|
|
if (audio_streams[i].is_valid()) {
|
|
if (audio_streams[i]->has_loop()) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
double AudioStreamSynchronized::get_length() const {
|
|
double max_length = 0.0;
|
|
for (int i = 0; i < stream_count; i++) {
|
|
if (audio_streams[i].is_valid()) {
|
|
max_length = MAX(max_length, audio_streams[i]->get_length());
|
|
}
|
|
}
|
|
return max_length;
|
|
}
|
|
|
|
void AudioStreamSynchronized::set_stream_count(int p_count) {
|
|
ERR_FAIL_COND(p_count < 0 || p_count > MAX_STREAMS);
|
|
AudioServer::get_singleton()->lock();
|
|
stream_count = p_count;
|
|
AudioServer::get_singleton()->unlock();
|
|
notify_property_list_changed();
|
|
}
|
|
|
|
int AudioStreamSynchronized::get_stream_count() const {
|
|
return stream_count;
|
|
}
|
|
|
|
void AudioStreamSynchronized::_validate_property(PropertyInfo &property) const {
|
|
String prop = property.name;
|
|
if (prop != "stream_count" && prop.begins_with("stream_")) {
|
|
int stream = prop.get_slicec('/', 0).get_slicec('_', 1).to_int();
|
|
if (stream >= stream_count) {
|
|
property.usage = PROPERTY_USAGE_INTERNAL;
|
|
}
|
|
}
|
|
}
|
|
|
|
void AudioStreamSynchronized::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_stream_count", "stream_count"), &AudioStreamSynchronized::set_stream_count);
|
|
ClassDB::bind_method(D_METHOD("get_stream_count"), &AudioStreamSynchronized::get_stream_count);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_sync_stream", "stream_index", "audio_stream"), &AudioStreamSynchronized::set_sync_stream);
|
|
ClassDB::bind_method(D_METHOD("get_sync_stream", "stream_index"), &AudioStreamSynchronized::get_sync_stream);
|
|
ClassDB::bind_method(D_METHOD("set_sync_stream_volume", "stream_index", "volume_db"), &AudioStreamSynchronized::set_sync_stream_volume);
|
|
ClassDB::bind_method(D_METHOD("get_sync_stream_volume", "stream_index"), &AudioStreamSynchronized::get_sync_stream_volume);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "stream_count", PROPERTY_HINT_RANGE, "0," + itos(MAX_STREAMS), PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_ARRAY, "Streams,stream_,unfoldable,page_size=999,add_button_text=" + String(RTR("Add Stream"))), "set_stream_count", "get_stream_count");
|
|
|
|
for (int i = 0; i < MAX_STREAMS; i++) {
|
|
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "stream_" + itos(i) + "/stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_sync_stream", "get_sync_stream", i);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "stream_" + itos(i) + "/volume", PROPERTY_HINT_RANGE, "-60,12,0.01,suffix:db", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_INTERNAL), "set_sync_stream_volume", "get_sync_stream_volume", i);
|
|
}
|
|
|
|
BIND_CONSTANT(MAX_STREAMS);
|
|
}
|
|
|
|
//////////////////////
|
|
//////////////////////
|
|
|
|
AudioStreamPlaybackSynchronized::AudioStreamPlaybackSynchronized() {
|
|
}
|
|
|
|
AudioStreamPlaybackSynchronized::~AudioStreamPlaybackSynchronized() {
|
|
if (stream.is_valid()) {
|
|
stream->playbacks.erase(this);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlaybackSynchronized::stop() {
|
|
active = false;
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid()) {
|
|
playback[i]->stop();
|
|
}
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlaybackSynchronized::start(double p_from_pos) {
|
|
if (active) {
|
|
stop();
|
|
}
|
|
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid()) {
|
|
playback[i]->start(p_from_pos);
|
|
active = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlaybackSynchronized::seek(double p_time) {
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid()) {
|
|
playback[i]->seek(p_time);
|
|
}
|
|
}
|
|
}
|
|
|
|
int AudioStreamPlaybackSynchronized::mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames) {
|
|
if (active != true) {
|
|
for (int i = 0; i < p_frames; i++) {
|
|
p_buffer[i] = AudioFrame(0.0, 0.0);
|
|
}
|
|
return p_frames;
|
|
}
|
|
|
|
int todo = p_frames;
|
|
|
|
bool any_active = false;
|
|
while (todo) {
|
|
int to_mix = MIN(todo, MIX_BUFFER_SIZE);
|
|
|
|
bool first = true;
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid() && playback[i]->is_playing()) {
|
|
float volume = Math::db_to_linear(stream->audio_stream_volume_db[i]);
|
|
if (first) {
|
|
playback[i]->mix(p_buffer, p_rate_scale, to_mix);
|
|
for (int j = 0; j < to_mix; j++) {
|
|
p_buffer[j] *= volume;
|
|
}
|
|
first = false;
|
|
any_active = true;
|
|
} else {
|
|
playback[i]->mix(mix_buffer, p_rate_scale, to_mix);
|
|
for (int j = 0; j < to_mix; j++) {
|
|
p_buffer[j] += mix_buffer[j] * volume;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (first) {
|
|
// Nothing mixed, put zeroes.
|
|
for (int j = 0; j < to_mix; j++) {
|
|
p_buffer[j] = AudioFrame(0, 0);
|
|
}
|
|
}
|
|
|
|
p_buffer += to_mix;
|
|
todo -= to_mix;
|
|
}
|
|
|
|
if (!any_active) {
|
|
active = false;
|
|
}
|
|
return p_frames;
|
|
}
|
|
|
|
void AudioStreamPlaybackSynchronized::tag_used_streams() {
|
|
if (active) {
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid() && playback[i]->is_playing()) {
|
|
stream->audio_streams[i]->tag_used(playback[i]->get_playback_position());
|
|
}
|
|
}
|
|
stream->tag_used(0);
|
|
}
|
|
}
|
|
|
|
int AudioStreamPlaybackSynchronized::get_loop_count() const {
|
|
int min_loops = 0;
|
|
bool min_loops_found = false;
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid() && playback[i]->is_playing()) {
|
|
int loops = playback[i]->get_loop_count();
|
|
if (!min_loops_found || loops < min_loops) {
|
|
min_loops = loops;
|
|
min_loops_found = true;
|
|
}
|
|
}
|
|
}
|
|
return min_loops;
|
|
}
|
|
|
|
double AudioStreamPlaybackSynchronized::get_playback_position() const {
|
|
float max_pos = 0;
|
|
bool pos_found = false;
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (playback[i].is_valid() && playback[i]->is_playing()) {
|
|
float pos = playback[i]->get_playback_position();
|
|
if (!pos_found || pos > max_pos) {
|
|
max_pos = pos;
|
|
pos_found = true;
|
|
}
|
|
}
|
|
}
|
|
return max_pos;
|
|
}
|
|
|
|
bool AudioStreamPlaybackSynchronized::is_playing() const {
|
|
return active;
|
|
}
|
|
|
|
void AudioStreamPlaybackSynchronized::_update_playback_instances() {
|
|
stop();
|
|
|
|
for (int i = 0; i < stream->stream_count; i++) {
|
|
if (stream->audio_streams[i].is_valid()) {
|
|
playback[i] = stream->audio_streams[i]->instantiate_playback();
|
|
} else {
|
|
playback[i].unref();
|
|
}
|
|
}
|
|
}
|