ff287d8341
Added pitch scale property to AudioStreamPlayer, AudioStreamPlayer2D and AudioStreamPlayer3D
360 lines
11 KiB
C++
360 lines
11 KiB
C++
/*************************************************************************/
|
|
/* audio_player.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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_player.h"
|
|
|
|
#include "engine.h"
|
|
|
|
void AudioStreamPlayer::_mix_internal(bool p_fadeout) {
|
|
|
|
int bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus);
|
|
|
|
//get data
|
|
AudioFrame *buffer = mix_buffer.ptrw();
|
|
int buffer_size = mix_buffer.size();
|
|
|
|
if (p_fadeout) {
|
|
buffer_size = MIN(buffer_size, 16); //short fadeout ramp
|
|
}
|
|
|
|
//mix
|
|
stream_playback->mix(buffer, pitch_scale, buffer_size);
|
|
|
|
//multiply volume interpolating to avoid clicks if this changes
|
|
float target_volume = p_fadeout ? -80.0 : volume_db;
|
|
float vol = Math::db2linear(mix_volume_db);
|
|
float vol_inc = (Math::db2linear(target_volume) - vol) / float(buffer_size);
|
|
|
|
for (int i = 0; i < buffer_size; i++) {
|
|
buffer[i] *= vol;
|
|
vol += vol_inc;
|
|
}
|
|
//set volume for next mix
|
|
mix_volume_db = target_volume;
|
|
|
|
AudioFrame *targets[4] = { NULL, NULL, NULL, NULL };
|
|
|
|
if (AudioServer::get_singleton()->get_speaker_mode() == AudioServer::SPEAKER_MODE_STEREO) {
|
|
targets[0] = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 0);
|
|
} else {
|
|
switch (mix_target) {
|
|
case MIX_TARGET_STEREO: {
|
|
targets[0] = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 0);
|
|
} break;
|
|
case MIX_TARGET_SURROUND: {
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_channel_count(); i++) {
|
|
targets[i] = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, i);
|
|
}
|
|
} break;
|
|
case MIX_TARGET_CENTER: {
|
|
targets[0] = AudioServer::get_singleton()->thread_get_channel_mix_buffer(bus_index, 1);
|
|
} break;
|
|
}
|
|
}
|
|
|
|
for (int c = 0; c < 4; c++) {
|
|
if (!targets[c])
|
|
break;
|
|
for (int i = 0; i < buffer_size; i++) {
|
|
targets[c][i] += buffer[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer::_mix_audio() {
|
|
|
|
if (!stream_playback.is_valid()) {
|
|
return;
|
|
}
|
|
|
|
if (!active) {
|
|
return;
|
|
}
|
|
|
|
if (setseek >= 0.0) {
|
|
if (stream_playback->is_playing()) {
|
|
|
|
//fade out to avoid pops
|
|
_mix_internal(true);
|
|
}
|
|
stream_playback->start(setseek);
|
|
setseek = -1.0; //reset seek
|
|
mix_volume_db = volume_db; //reset ramp
|
|
}
|
|
|
|
_mix_internal(false);
|
|
}
|
|
|
|
void AudioStreamPlayer::_notification(int p_what) {
|
|
|
|
if (p_what == NOTIFICATION_ENTER_TREE) {
|
|
|
|
AudioServer::get_singleton()->add_callback(_mix_audios, this);
|
|
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
|
|
play();
|
|
}
|
|
}
|
|
|
|
if (p_what == NOTIFICATION_INTERNAL_PROCESS) {
|
|
|
|
if (!active || (setseek < 0 && !stream_playback->is_playing())) {
|
|
active = false;
|
|
emit_signal("finished");
|
|
set_process_internal(false);
|
|
}
|
|
}
|
|
|
|
if (p_what == NOTIFICATION_EXIT_TREE) {
|
|
|
|
AudioServer::get_singleton()->remove_callback(_mix_audios, this);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer::set_stream(Ref<AudioStream> p_stream) {
|
|
|
|
AudioServer::get_singleton()->lock();
|
|
|
|
mix_buffer.resize(AudioServer::get_singleton()->thread_get_mix_buffer_size());
|
|
|
|
if (stream_playback.is_valid()) {
|
|
stream_playback.unref();
|
|
stream.unref();
|
|
active = false;
|
|
setseek = -1;
|
|
}
|
|
|
|
if (p_stream.is_valid()) {
|
|
stream = p_stream;
|
|
stream_playback = p_stream->instance_playback();
|
|
}
|
|
|
|
AudioServer::get_singleton()->unlock();
|
|
|
|
if (p_stream.is_valid() && stream_playback.is_null()) {
|
|
stream.unref();
|
|
ERR_FAIL_COND(stream_playback.is_null());
|
|
}
|
|
}
|
|
|
|
Ref<AudioStream> AudioStreamPlayer::get_stream() const {
|
|
|
|
return stream;
|
|
}
|
|
|
|
void AudioStreamPlayer::set_volume_db(float p_volume) {
|
|
|
|
volume_db = p_volume;
|
|
}
|
|
float AudioStreamPlayer::get_volume_db() const {
|
|
|
|
return volume_db;
|
|
}
|
|
|
|
void AudioStreamPlayer::set_pitch_scale(float p_pitch_scale) {
|
|
pitch_scale = p_pitch_scale;
|
|
}
|
|
float AudioStreamPlayer::get_pitch_scale() const {
|
|
return pitch_scale;
|
|
}
|
|
|
|
void AudioStreamPlayer::play(float p_from_pos) {
|
|
|
|
if (stream_playback.is_valid()) {
|
|
//mix_volume_db = volume_db; do not reset volume ramp here, can cause clicks
|
|
setseek = p_from_pos;
|
|
active = true;
|
|
set_process_internal(true);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer::seek(float p_seconds) {
|
|
|
|
if (stream_playback.is_valid()) {
|
|
setseek = p_seconds;
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer::stop() {
|
|
|
|
if (stream_playback.is_valid()) {
|
|
active = false;
|
|
set_process_internal(false);
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayer::is_playing() const {
|
|
|
|
if (stream_playback.is_valid()) {
|
|
return active; //&& stream_playback->is_playing();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
float AudioStreamPlayer::get_playback_position() {
|
|
|
|
if (stream_playback.is_valid()) {
|
|
return stream_playback->get_playback_position();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void AudioStreamPlayer::set_bus(const StringName &p_bus) {
|
|
|
|
//if audio is active, must lock this
|
|
AudioServer::get_singleton()->lock();
|
|
bus = p_bus;
|
|
AudioServer::get_singleton()->unlock();
|
|
}
|
|
StringName AudioStreamPlayer::get_bus() const {
|
|
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
|
|
if (AudioServer::get_singleton()->get_bus_name(i) == bus) {
|
|
return bus;
|
|
}
|
|
}
|
|
return "Master";
|
|
}
|
|
|
|
void AudioStreamPlayer::set_autoplay(bool p_enable) {
|
|
|
|
autoplay = p_enable;
|
|
}
|
|
bool AudioStreamPlayer::is_autoplay_enabled() {
|
|
|
|
return autoplay;
|
|
}
|
|
|
|
void AudioStreamPlayer::set_mix_target(MixTarget p_target) {
|
|
|
|
mix_target = p_target;
|
|
}
|
|
|
|
AudioStreamPlayer::MixTarget AudioStreamPlayer::get_mix_target() const {
|
|
|
|
return mix_target;
|
|
}
|
|
|
|
void AudioStreamPlayer::_set_playing(bool p_enable) {
|
|
|
|
if (p_enable)
|
|
play();
|
|
else
|
|
stop();
|
|
}
|
|
bool AudioStreamPlayer::_is_active() const {
|
|
|
|
return active;
|
|
}
|
|
|
|
void AudioStreamPlayer::_validate_property(PropertyInfo &property) const {
|
|
|
|
if (property.name == "bus") {
|
|
|
|
String options;
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
|
|
if (i > 0)
|
|
options += ",";
|
|
String name = AudioServer::get_singleton()->get_bus_name(i);
|
|
options += name;
|
|
}
|
|
|
|
property.hint_string = options;
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer::_bus_layout_changed() {
|
|
|
|
_change_notify();
|
|
}
|
|
|
|
void AudioStreamPlayer::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("set_stream", "stream"), &AudioStreamPlayer::set_stream);
|
|
ClassDB::bind_method(D_METHOD("get_stream"), &AudioStreamPlayer::get_stream);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_volume_db", "volume_db"), &AudioStreamPlayer::set_volume_db);
|
|
ClassDB::bind_method(D_METHOD("get_volume_db"), &AudioStreamPlayer::get_volume_db);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_pitch_scale", "pitch_scale"), &AudioStreamPlayer::set_pitch_scale);
|
|
ClassDB::bind_method(D_METHOD("get_pitch_scale"), &AudioStreamPlayer::get_pitch_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("play", "from_position"), &AudioStreamPlayer::play, DEFVAL(0.0));
|
|
ClassDB::bind_method(D_METHOD("seek", "to_position"), &AudioStreamPlayer::seek);
|
|
ClassDB::bind_method(D_METHOD("stop"), &AudioStreamPlayer::stop);
|
|
|
|
ClassDB::bind_method(D_METHOD("is_playing"), &AudioStreamPlayer::is_playing);
|
|
ClassDB::bind_method(D_METHOD("get_playback_position"), &AudioStreamPlayer::get_playback_position);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_bus", "bus"), &AudioStreamPlayer::set_bus);
|
|
ClassDB::bind_method(D_METHOD("get_bus"), &AudioStreamPlayer::get_bus);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_autoplay", "enable"), &AudioStreamPlayer::set_autoplay);
|
|
ClassDB::bind_method(D_METHOD("is_autoplay_enabled"), &AudioStreamPlayer::is_autoplay_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_mix_target", "mix_target"), &AudioStreamPlayer::set_mix_target);
|
|
ClassDB::bind_method(D_METHOD("get_mix_target"), &AudioStreamPlayer::get_mix_target);
|
|
|
|
ClassDB::bind_method(D_METHOD("_set_playing", "enable"), &AudioStreamPlayer::_set_playing);
|
|
ClassDB::bind_method(D_METHOD("_is_active"), &AudioStreamPlayer::_is_active);
|
|
|
|
ClassDB::bind_method(D_METHOD("_bus_layout_changed"), &AudioStreamPlayer::_bus_layout_changed);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "volume_db", PROPERTY_HINT_RANGE, "-80,24"), "set_volume_db", "get_volume_db");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "pitch_scale", PROPERTY_HINT_RANGE, "0.01,32,0.01"), "set_pitch_scale", "get_pitch_scale");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "playing", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR), "_set_playing", "is_playing");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autoplay"), "set_autoplay", "is_autoplay_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "mix_target", PROPERTY_HINT_ENUM, "Stereo,Surround,Center"), "set_mix_target", "get_mix_target");
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "bus", PROPERTY_HINT_ENUM, ""), "set_bus", "get_bus");
|
|
|
|
ADD_SIGNAL(MethodInfo("finished"));
|
|
|
|
BIND_ENUM_CONSTANT(MIX_TARGET_STEREO);
|
|
BIND_ENUM_CONSTANT(MIX_TARGET_SURROUND);
|
|
BIND_ENUM_CONSTANT(MIX_TARGET_CENTER);
|
|
}
|
|
|
|
AudioStreamPlayer::AudioStreamPlayer() {
|
|
|
|
mix_volume_db = 0;
|
|
pitch_scale = 1.0;
|
|
volume_db = 0;
|
|
autoplay = false;
|
|
setseek = -1;
|
|
active = false;
|
|
mix_target = MIX_TARGET_STEREO;
|
|
|
|
AudioServer::get_singleton()->connect("bus_layout_changed", this, "_bus_layout_changed");
|
|
}
|
|
|
|
AudioStreamPlayer::~AudioStreamPlayer() {
|
|
}
|