/*************************************************************************/ /* stream_player.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2015 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 "stream_player.h" int StreamPlayer::InternalStream::get_channel_count() const { return player->sp_get_channel_count(); } void StreamPlayer::InternalStream::set_mix_rate(int p_rate){ return player->sp_set_mix_rate(p_rate); } bool StreamPlayer::InternalStream::mix(int32_t *p_buffer,int p_frames){ return player->sp_mix(p_buffer,p_frames); } void StreamPlayer::InternalStream::update(){ player->sp_update(); } int StreamPlayer::sp_get_channel_count() const { return playback->get_channels(); } void StreamPlayer::sp_set_mix_rate(int p_rate){ server_mix_rate=p_rate; } bool StreamPlayer::sp_mix(int32_t *p_buffer,int p_frames) { if (resampler.is_ready()) { return resampler.mix(p_buffer,p_frames); } return false; } void StreamPlayer::sp_update() { //_THREAD_SAFE_METHOD_ if (!paused && resampler.is_ready() && playback.is_valid()) { if (!playback->is_playing()) { //stream depleted data, but there's still audio in the ringbuffer //check that all this audio has been flushed before stopping the stream int to_mix = resampler.get_total() - resampler.get_todo(); if (to_mix==0) { stop(); return; } return; } int todo =resampler.get_todo(); int wrote = playback->mix(resampler.get_write_buffer(),todo); resampler.write(wrote); } } void StreamPlayer::_notification(int p_what) { switch(p_what) { case NOTIFICATION_ENTER_TREE: { //set_idle_process(false); //don't annoy if (stream.is_valid() && autoplay && !get_tree()->is_editor_hint()) play(); } break; case NOTIFICATION_EXIT_TREE: { stop(); //wathever it may be doing, stop } break; } } void StreamPlayer::set_stream(const Ref &p_stream) { stop(); stream=p_stream; if (!stream.is_null()) { playback=stream->instance_playback(); playback->set_loop(loops); playback->set_loop_restart_time(loop_point); AudioServer::get_singleton()->lock(); resampler.setup(playback->get_channels(),playback->get_mix_rate(),server_mix_rate,buffering_ms,playback->get_minimum_buffer_size()); AudioServer::get_singleton()->unlock(); } else { AudioServer::get_singleton()->lock(); resampler.clear(); playback.unref(); AudioServer::get_singleton()->unlock(); } } Ref StreamPlayer::get_stream() const { return stream; } void StreamPlayer::play(float p_from_offset) { ERR_FAIL_COND(!is_inside_tree()); if (playback.is_null()) return; if (playback->is_playing()) stop(); //_THREAD_SAFE_METHOD_ playback->play(p_from_offset); //feed the ringbuffer as long as no update callback is going on sp_update(); AudioServer::get_singleton()->stream_set_active(stream_rid,true); AudioServer::get_singleton()->stream_set_volume_scale(stream_rid,volume); // if (stream->get_update_mode()!=AudioStream::UPDATE_NONE) // set_idle_process(true); } void StreamPlayer::stop() { if (!is_inside_tree()) return; if (playback.is_null()) return; //_THREAD_SAFE_METHOD_ AudioServer::get_singleton()->stream_set_active(stream_rid,false); playback->stop(); resampler.flush(); //set_idle_process(false); } bool StreamPlayer::is_playing() const { if (playback.is_null()) return false; return playback->is_playing(); } void StreamPlayer::set_loop(bool p_enable) { loops=p_enable; if (playback.is_null()) return; playback->set_loop(loops); } bool StreamPlayer::has_loop() const { return loops; } void StreamPlayer::set_volume(float p_vol) { volume=p_vol; if (stream_rid.is_valid()) AudioServer::get_singleton()->stream_set_volume_scale(stream_rid,volume); } float StreamPlayer::get_volume() const { return volume; } void StreamPlayer::set_loop_restart_time(float p_secs) { loop_point=p_secs; if (playback.is_valid()) playback->set_loop_restart_time(p_secs); } float StreamPlayer::get_loop_restart_time() const { return loop_point; } void StreamPlayer::set_volume_db(float p_db) { if (p_db<-79) set_volume(0); else set_volume(Math::db2linear(p_db)); } float StreamPlayer::get_volume_db() const { if (volume==0) return -80; else return Math::linear2db(volume); } String StreamPlayer::get_stream_name() const { if (stream.is_null()) return ""; return stream->get_name(); } int StreamPlayer::get_loop_count() const { if (playback.is_null()) return 0; return playback->get_loop_count(); } float StreamPlayer::get_pos() const { if (playback.is_null()) return 0; return playback->get_pos(); } float StreamPlayer::get_length() const { if (playback.is_null()) return 0; return playback->get_length(); } void StreamPlayer::seek_pos(float p_time) { if (playback.is_null()) return; return playback->seek_pos(p_time); } void StreamPlayer::set_autoplay(bool p_enable) { autoplay=p_enable; } bool StreamPlayer::has_autoplay() const { return autoplay; } void StreamPlayer::set_paused(bool p_paused) { paused=p_paused; //if (stream.is_valid()) // stream->set_paused(p_paused); } bool StreamPlayer::is_paused() const { return paused; } void StreamPlayer::_set_play(bool p_play) { _play=p_play; if (is_inside_tree()) { if(_play) play(); else stop(); } } bool StreamPlayer::_get_play() const{ return _play; } void StreamPlayer::set_buffering_msec(int p_msec) { buffering_ms=p_msec; } int StreamPlayer::get_buffering_msec() const{ return buffering_ms; } void StreamPlayer::_bind_methods() { ObjectTypeDB::bind_method(_MD("set_stream","stream:Stream"),&StreamPlayer::set_stream); ObjectTypeDB::bind_method(_MD("get_stream:Stream"),&StreamPlayer::get_stream); ObjectTypeDB::bind_method(_MD("play"),&StreamPlayer::play,DEFVAL(0)); ObjectTypeDB::bind_method(_MD("stop"),&StreamPlayer::stop); ObjectTypeDB::bind_method(_MD("is_playing"),&StreamPlayer::is_playing); ObjectTypeDB::bind_method(_MD("set_paused","paused"),&StreamPlayer::set_paused); ObjectTypeDB::bind_method(_MD("is_paused"),&StreamPlayer::is_paused); ObjectTypeDB::bind_method(_MD("set_loop","enabled"),&StreamPlayer::set_loop); ObjectTypeDB::bind_method(_MD("has_loop"),&StreamPlayer::has_loop); ObjectTypeDB::bind_method(_MD("set_volume","volume"),&StreamPlayer::set_volume); ObjectTypeDB::bind_method(_MD("get_volume"),&StreamPlayer::get_volume); ObjectTypeDB::bind_method(_MD("set_volume_db","db"),&StreamPlayer::set_volume_db); ObjectTypeDB::bind_method(_MD("get_volume_db"),&StreamPlayer::get_volume_db); ObjectTypeDB::bind_method(_MD("set_buffering_msec","msec"),&StreamPlayer::set_buffering_msec); ObjectTypeDB::bind_method(_MD("get_buffering_msec"),&StreamPlayer::get_buffering_msec); ObjectTypeDB::bind_method(_MD("set_loop_restart_time","secs"),&StreamPlayer::set_loop_restart_time); ObjectTypeDB::bind_method(_MD("get_loop_restart_time"),&StreamPlayer::get_loop_restart_time); ObjectTypeDB::bind_method(_MD("get_stream_name"),&StreamPlayer::get_stream_name); ObjectTypeDB::bind_method(_MD("get_loop_count"),&StreamPlayer::get_loop_count); ObjectTypeDB::bind_method(_MD("get_pos"),&StreamPlayer::get_pos); ObjectTypeDB::bind_method(_MD("seek_pos","time"),&StreamPlayer::seek_pos); ObjectTypeDB::bind_method(_MD("set_autoplay","enabled"),&StreamPlayer::set_autoplay); ObjectTypeDB::bind_method(_MD("has_autoplay"),&StreamPlayer::has_autoplay); ObjectTypeDB::bind_method(_MD("get_length"),&StreamPlayer::get_length); ObjectTypeDB::bind_method(_MD("_set_play","play"),&StreamPlayer::_set_play); ObjectTypeDB::bind_method(_MD("_get_play"),&StreamPlayer::_get_play); ADD_PROPERTY( PropertyInfo(Variant::OBJECT, "stream/stream", PROPERTY_HINT_RESOURCE_TYPE,"AudioStream"), _SCS("set_stream"), _SCS("get_stream") ); ADD_PROPERTY( PropertyInfo(Variant::BOOL, "stream/play"), _SCS("_set_play"), _SCS("_get_play") ); ADD_PROPERTY( PropertyInfo(Variant::BOOL, "stream/loop"), _SCS("set_loop"), _SCS("has_loop") ); ADD_PROPERTY( PropertyInfo(Variant::REAL, "stream/volume_db", PROPERTY_HINT_RANGE,"-80,24,0.01"), _SCS("set_volume_db"), _SCS("get_volume_db") ); ADD_PROPERTY( PropertyInfo(Variant::BOOL, "stream/autoplay"), _SCS("set_autoplay"), _SCS("has_autoplay") ); ADD_PROPERTY( PropertyInfo(Variant::BOOL, "stream/paused"), _SCS("set_paused"), _SCS("is_paused") ); ADD_PROPERTY( PropertyInfo(Variant::INT, "stream/loop_restart_time"), _SCS("set_loop_restart_time"), _SCS("get_loop_restart_time") ); ADD_PROPERTY( PropertyInfo(Variant::INT, "stream/buffering_ms"), _SCS("set_buffering_msec"), _SCS("get_buffering_msec") ); } StreamPlayer::StreamPlayer() { volume=1; loops=false; paused=false; autoplay=false; _play=false; server_mix_rate=1; internal_stream.player=this; stream_rid=AudioServer::get_singleton()->audio_stream_create(&internal_stream); buffering_ms=500; loop_point=0; } StreamPlayer::~StreamPlayer() { AudioServer::get_singleton()->free(stream_rid); resampler.clear(); }