/**************************************************************************/ /* audio_stream_player.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_player.h" #include "audio_stream_player.compat.inc" #include "scene/audio/audio_stream_player_internal.h" #include "servers/audio/audio_stream.h" void AudioStreamPlayer::_notification(int p_what) { internal->notification(p_what); } void AudioStreamPlayer::set_stream(Ref p_stream) { internal->set_stream(p_stream); } bool AudioStreamPlayer::_set(const StringName &p_name, const Variant &p_value) { return internal->set(p_name, p_value); } bool AudioStreamPlayer::_get(const StringName &p_name, Variant &r_ret) const { return internal->get(p_name, r_ret); } void AudioStreamPlayer::_get_property_list(List *p_list) const { internal->get_property_list(p_list); } Ref AudioStreamPlayer::get_stream() const { return internal->stream; } void AudioStreamPlayer::set_volume_db(float p_volume) { ERR_FAIL_COND_MSG(Math::is_nan(p_volume), "Volume can't be set to NaN."); internal->volume_db = p_volume; Vector volume_vector = _get_volume_vector(); for (Ref &playback : internal->stream_playbacks) { AudioServer::get_singleton()->set_playback_all_bus_volumes_linear(playback, volume_vector); } } float AudioStreamPlayer::get_volume_db() const { return internal->volume_db; } void AudioStreamPlayer::set_pitch_scale(float p_pitch_scale) { internal->set_pitch_scale(p_pitch_scale); } float AudioStreamPlayer::get_pitch_scale() const { return internal->pitch_scale; } void AudioStreamPlayer::set_max_polyphony(int p_max_polyphony) { internal->set_max_polyphony(p_max_polyphony); } int AudioStreamPlayer::get_max_polyphony() const { return internal->max_polyphony; } void AudioStreamPlayer::play(float p_from_pos) { Ref stream_playback = internal->play_basic(); if (stream_playback.is_null()) { return; } AudioServer::get_singleton()->start_playback_stream(stream_playback, internal->bus, _get_volume_vector(), p_from_pos, internal->pitch_scale); internal->ensure_playback_limit(); } void AudioStreamPlayer::seek(float p_seconds) { internal->seek(p_seconds); } void AudioStreamPlayer::stop() { internal->stop(); } bool AudioStreamPlayer::is_playing() const { return internal->is_playing(); } float AudioStreamPlayer::get_playback_position() { return internal->get_playback_position(); } void AudioStreamPlayer::set_bus(const StringName &p_bus) { internal->bus = p_bus; for (const Ref &playback : internal->stream_playbacks) { AudioServer::get_singleton()->set_playback_bus_exclusive(playback, p_bus, _get_volume_vector()); } } StringName AudioStreamPlayer::get_bus() const { return internal->get_bus(); } void AudioStreamPlayer::set_autoplay(bool p_enable) { internal->autoplay = p_enable; } bool AudioStreamPlayer::is_autoplay_enabled() const { return internal->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) { internal->set_playing(p_enable); } bool AudioStreamPlayer::_is_active() const { return internal->is_active(); } void AudioStreamPlayer::set_stream_paused(bool p_pause) { internal->set_stream_paused(p_pause); } bool AudioStreamPlayer::get_stream_paused() const { return internal->get_stream_paused(); } Vector AudioStreamPlayer::_get_volume_vector() { Vector volume_vector; // We need at most four stereo pairs (for 7.1 systems). volume_vector.resize(4); // Initialize the volume vector to zero. for (AudioFrame &channel_volume_db : volume_vector) { channel_volume_db = AudioFrame(0, 0); } float volume_linear = Math::db_to_linear(internal->volume_db); // Set the volume vector up according to the speaker mode and mix target. // TODO do we need to scale the volume down when we output to more channels? if (AudioServer::get_singleton()->get_speaker_mode() == AudioServer::SPEAKER_MODE_STEREO) { volume_vector.write[0] = AudioFrame(volume_linear, volume_linear); } else { switch (mix_target) { case MIX_TARGET_STEREO: { volume_vector.write[0] = AudioFrame(volume_linear, volume_linear); } break; case MIX_TARGET_SURROUND: { // TODO Make sure this is right. volume_vector.write[0] = AudioFrame(volume_linear, volume_linear); volume_vector.write[1] = AudioFrame(volume_linear, /* LFE= */ 1.0f); volume_vector.write[2] = AudioFrame(volume_linear, volume_linear); volume_vector.write[3] = AudioFrame(volume_linear, volume_linear); } break; case MIX_TARGET_CENTER: { // TODO Make sure this is right. volume_vector.write[1] = AudioFrame(volume_linear, /* LFE= */ 1.0f); } break; } } return volume_vector; } void AudioStreamPlayer::_validate_property(PropertyInfo &p_property) const { internal->validate_property(p_property); } bool AudioStreamPlayer::has_stream_playback() { return internal->has_stream_playback(); } Ref AudioStreamPlayer::get_stream_playback() { return internal->get_stream_playback(); } 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("set_stream_paused", "pause"), &AudioStreamPlayer::set_stream_paused); ClassDB::bind_method(D_METHOD("get_stream_paused"), &AudioStreamPlayer::get_stream_paused); ClassDB::bind_method(D_METHOD("set_max_polyphony", "max_polyphony"), &AudioStreamPlayer::set_max_polyphony); ClassDB::bind_method(D_METHOD("get_max_polyphony"), &AudioStreamPlayer::get_max_polyphony); ClassDB::bind_method(D_METHOD("has_stream_playback"), &AudioStreamPlayer::has_stream_playback); ClassDB::bind_method(D_METHOD("get_stream_playback"), &AudioStreamPlayer::get_stream_playback); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "volume_db", PROPERTY_HINT_RANGE, "-80,24,suffix:dB"), "set_volume_db", "get_volume_db"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "pitch_scale", PROPERTY_HINT_RANGE, "0.01,4,0.01,or_greater"), "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::BOOL, "stream_paused", PROPERTY_HINT_NONE, ""), "set_stream_paused", "get_stream_paused"); ADD_PROPERTY(PropertyInfo(Variant::INT, "mix_target", PROPERTY_HINT_ENUM, "Stereo,Surround,Center"), "set_mix_target", "get_mix_target"); ADD_PROPERTY(PropertyInfo(Variant::INT, "max_polyphony", PROPERTY_HINT_NONE, ""), "set_max_polyphony", "get_max_polyphony"); ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "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() { internal = memnew(AudioStreamPlayerInternal(this, callable_mp(this, &AudioStreamPlayer::play), false)); } AudioStreamPlayer::~AudioStreamPlayer() { memdelete(internal); }