diff options
Diffstat (limited to 'scene/audio/audio_stream_player.cpp')
| -rw-r--r-- | scene/audio/audio_stream_player.cpp | 137 |
1 files changed, 86 insertions, 51 deletions
diff --git a/scene/audio/audio_stream_player.cpp b/scene/audio/audio_stream_player.cpp index f7b7604fd5..0334ba667b 100644 --- a/scene/audio/audio_stream_player.cpp +++ b/scene/audio/audio_stream_player.cpp @@ -42,17 +42,29 @@ void AudioStreamPlayer::_notification(int p_what) { } if (p_what == NOTIFICATION_INTERNAL_PROCESS) { - if (stream_playback.is_valid() && active.is_set() && !AudioServer::get_singleton()->is_playback_active(stream_playback)) { + Vector<Ref<AudioStreamPlayback>> playbacks_to_remove; + for (Ref<AudioStreamPlayback> &playback : stream_playbacks) { + if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) { + emit_signal(SNAME("finished")); + playbacks_to_remove.push_back(playback); + } + } + // Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble. + for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) { + stream_playbacks.erase(playback); + } + if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) { + // This node is no longer actively playing audio. active.clear(); set_process_internal(false); - emit_signal(SNAME("finished")); } } if (p_what == NOTIFICATION_EXIT_TREE) { - if (stream_playback.is_valid()) { - AudioServer::get_singleton()->stop_playback_stream(stream_playback); + for (Ref<AudioStreamPlayback> &playback : stream_playbacks) { + AudioServer::get_singleton()->stop_playback_stream(playback); } + stream_playbacks.clear(); } if (p_what == NOTIFICATION_PAUSED) { @@ -68,24 +80,8 @@ void AudioStreamPlayer::_notification(int p_what) { } void AudioStreamPlayer::set_stream(Ref<AudioStream> p_stream) { - if (stream_playback.is_valid()) { - stop(); - stream_playback.unref(); - stream.unref(); - } - - if (p_stream.is_valid()) { - stream_playback = p_stream->instance_playback(); - if (stream_playback.is_valid()) { - stream = p_stream; - } else { - stream.unref(); - } - } - - if (p_stream.is_valid() && stream_playback.is_null()) { - stream.unref(); - } + stop(); + stream = p_stream; } Ref<AudioStream> AudioStreamPlayer::get_stream() const { @@ -95,7 +91,10 @@ Ref<AudioStream> AudioStreamPlayer::get_stream() const { void AudioStreamPlayer::set_volume_db(float p_volume) { volume_db = p_volume; - AudioServer::get_singleton()->set_playback_all_bus_volumes_linear(stream_playback, _get_volume_vector()); + Vector<AudioFrame> volume_vector = _get_volume_vector(); + for (Ref<AudioStreamPlayback> &playback : stream_playbacks) { + AudioServer::get_singleton()->set_playback_all_bus_volumes_linear(playback, volume_vector); + } } float AudioStreamPlayer::get_volume_db() const { @@ -106,57 +105,83 @@ void AudioStreamPlayer::set_pitch_scale(float p_pitch_scale) { ERR_FAIL_COND(p_pitch_scale <= 0.0); pitch_scale = p_pitch_scale; - AudioServer::get_singleton()->set_playback_pitch_scale(stream_playback, pitch_scale); + for (Ref<AudioStreamPlayback> &playback : stream_playbacks) { + AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale); + } } float AudioStreamPlayer::get_pitch_scale() const { return pitch_scale; } +void AudioStreamPlayer::set_max_polyphony(int p_max_polyphony) { + if (p_max_polyphony > 0) { + max_polyphony = p_max_polyphony; + } +} + +int AudioStreamPlayer::get_max_polyphony() const { + return max_polyphony; +} + void AudioStreamPlayer::play(float p_from_pos) { - stop(); - if (stream.is_valid()) { - stream_playback = stream->instance_playback(); + if (stream.is_null()) { + return; + } + ERR_FAIL_COND_MSG(!is_inside_tree(), "Playback can only happen when a node is inside the scene tree"); + if (stream->is_monophonic() && is_playing()) { + stop(); } - if (stream_playback.is_valid()) { - AudioServer::get_singleton()->start_playback_stream(stream_playback, bus, _get_volume_vector(), p_from_pos); - active.set(); + Ref<AudioStreamPlayback> stream_playback = stream->instance_playback(); + ERR_FAIL_COND_MSG(stream_playback.is_null(), "Failed to instantiate playback."); + + AudioServer::get_singleton()->start_playback_stream(stream_playback, bus, _get_volume_vector(), p_from_pos); + stream_playbacks.push_back(stream_playback); + active.set(); + set_process_internal(true); + while (stream_playbacks.size() > max_polyphony) { + AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]); + stream_playbacks.remove(0); } } void AudioStreamPlayer::seek(float p_seconds) { - if (stream_playback.is_valid() && active.is_set()) { + if (is_playing()) { + stop(); play(p_seconds); } } void AudioStreamPlayer::stop() { - if (stream_playback.is_valid()) { - active.clear(); - AudioServer::get_singleton()->stop_playback_stream(stream_playback); + for (Ref<AudioStreamPlayback> &playback : stream_playbacks) { + AudioServer::get_singleton()->stop_playback_stream(playback); } + stream_playbacks.clear(); + active.clear(); + set_process_internal(false); } bool AudioStreamPlayer::is_playing() const { - if (stream_playback.is_valid()) { - return AudioServer::get_singleton()->is_playback_active(stream_playback); + for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) { + if (AudioServer::get_singleton()->is_playback_active(playback)) { + return true; + } } - return false; } float AudioStreamPlayer::get_playback_position() { - if (stream_playback.is_valid()) { - return AudioServer::get_singleton()->get_playback_position(stream_playback); + // Return the playback position of the most recently started playback stream. + if (!stream_playbacks.is_empty()) { + return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]); } - return 0; } void AudioStreamPlayer::set_bus(const StringName &p_bus) { bus = p_bus; - if (stream_playback.is_valid()) { - AudioServer::get_singleton()->set_playback_bus_exclusive(stream_playback, p_bus, _get_volume_vector()); + for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) { + AudioServer::get_singleton()->set_playback_bus_exclusive(playback, p_bus, _get_volume_vector()); } } @@ -166,7 +191,7 @@ StringName AudioStreamPlayer::get_bus() const { return bus; } } - return "Master"; + return SNAME("Master"); } void AudioStreamPlayer::set_autoplay(bool p_enable) { @@ -194,22 +219,25 @@ void AudioStreamPlayer::_set_playing(bool p_enable) { } bool AudioStreamPlayer::_is_active() const { - if (stream_playback.is_valid()) { - return AudioServer::get_singleton()->is_playback_active(stream_playback); + for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) { + if (AudioServer::get_singleton()->is_playback_active(playback)) { + return true; + } } return false; } void AudioStreamPlayer::set_stream_paused(bool p_pause) { - // TODO this does not have perfect recall, fix that maybe? If the stream isn't set, we can't persist this bool. - if (stream_playback.is_valid()) { - AudioServer::get_singleton()->set_playback_paused(stream_playback, p_pause); + // TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted. + for (Ref<AudioStreamPlayback> &playback : stream_playbacks) { + AudioServer::get_singleton()->set_playback_paused(playback, p_pause); } } bool AudioStreamPlayer::get_stream_paused() const { - if (stream_playback.is_valid()) { - return AudioServer::get_singleton()->is_playback_paused(stream_playback); + // There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest. + if (!stream_playbacks.is_empty()) { + return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]); } return false; } @@ -271,7 +299,10 @@ void AudioStreamPlayer::_bus_layout_changed() { } Ref<AudioStreamPlayback> AudioStreamPlayer::get_stream_playback() { - return stream_playback; + if (!stream_playbacks.is_empty()) { + return stream_playbacks[stream_playbacks.size() - 1]; + } + return nullptr; } void AudioStreamPlayer::_bind_methods() { @@ -306,6 +337,9 @@ void AudioStreamPlayer::_bind_methods() { 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("get_stream_playback"), &AudioStreamPlayer::get_stream_playback); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream"); @@ -315,6 +349,7 @@ void AudioStreamPlayer::_bind_methods() { 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")); |