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virtualx-engine/scene/3d/spatial_stream_player.cpp
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant. 
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

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/*************************************************************************/
/* spatial_stream_player.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "spatial_stream_player.h"
int SpatialStreamPlayer::InternalStream::get_channel_count() const {
return player->sp_get_channel_count();
}
void SpatialStreamPlayer::InternalStream::set_mix_rate(int p_rate){
return player->sp_set_mix_rate(p_rate);
}
bool SpatialStreamPlayer::InternalStream::mix(int32_t *p_buffer,int p_frames){
return player->sp_mix(p_buffer,p_frames);
}
void SpatialStreamPlayer::InternalStream::update(){
player->sp_update();
}
int SpatialStreamPlayer::sp_get_channel_count() const {
return playback->get_channels();
}
void SpatialStreamPlayer::sp_set_mix_rate(int p_rate){
server_mix_rate=p_rate;
}
bool SpatialStreamPlayer::sp_mix(int32_t *p_buffer,int p_frames) {
if (resampler.is_ready() && !paused) {
return resampler.mix(p_buffer,p_frames);
}
return false;
}
void SpatialStreamPlayer::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 SpatialStreamPlayer::_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 SpatialStreamPlayer::set_stream(const Ref<AudioStream> &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<AudioStream> SpatialStreamPlayer::get_stream() const {
return stream;
}
void SpatialStreamPlayer::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();
SpatialSoundServer::get_singleton()->source_set_audio_stream(get_source_rid(),&internal_stream);
// 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 SpatialStreamPlayer::stop() {
if (!is_inside_tree())
return;
if (playback.is_null())
return;
_THREAD_SAFE_METHOD_
//AudioServer::get_singleton()->stream_set_active(stream_rid,false);
SpatialSoundServer::get_singleton()->source_set_audio_stream(get_source_rid(),NULL);
playback->stop();
resampler.flush();
//set_idle_process(false);
}
bool SpatialStreamPlayer::is_playing() const {
if (playback.is_null())
return false;
return playback->is_playing();
}
void SpatialStreamPlayer::set_loop(bool p_enable) {
loops=p_enable;
if (playback.is_null())
return;
playback->set_loop(loops);
}
bool SpatialStreamPlayer::has_loop() const {
return loops;
}
void SpatialStreamPlayer::set_volume(float p_vol) {
volume=p_vol;
if (stream_rid.is_valid())
AudioServer::get_singleton()->stream_set_volume_scale(stream_rid,volume);
}
float SpatialStreamPlayer::get_volume() const {
return volume;
}
void SpatialStreamPlayer::set_loop_restart_time(float p_secs) {
loop_point=p_secs;
if (playback.is_valid())
playback->set_loop_restart_time(p_secs);
}
float SpatialStreamPlayer::get_loop_restart_time() const {
return loop_point;
}
void SpatialStreamPlayer::set_volume_db(float p_db) {
if (p_db<-79)
set_volume(0);
else
set_volume(Math::db2linear(p_db));
}
float SpatialStreamPlayer::get_volume_db() const {
if (volume==0)
return -80;
else
return Math::linear2db(volume);
}
String SpatialStreamPlayer::get_stream_name() const {
if (stream.is_null())
return "<No Stream>";
return stream->get_name();
}
int SpatialStreamPlayer::get_loop_count() const {
if (playback.is_null())
return 0;
return playback->get_loop_count();
}
float SpatialStreamPlayer::get_pos() const {
if (playback.is_null())
return 0;
return playback->get_pos();
}
float SpatialStreamPlayer::get_length() const {
if (playback.is_null())
return 0;
return playback->get_length();
}
void SpatialStreamPlayer::seek_pos(float p_time) {
if (playback.is_null())
return;
return playback->seek_pos(p_time);
}
void SpatialStreamPlayer::set_autoplay(bool p_enable) {
autoplay=p_enable;
}
bool SpatialStreamPlayer::has_autoplay() const {
return autoplay;
}
void SpatialStreamPlayer::set_paused(bool p_paused) {
paused=p_paused;
//if (stream.is_valid())
// stream->set_paused(p_paused);
}
bool SpatialStreamPlayer::is_paused() const {
return paused;
}
void SpatialStreamPlayer::_set_play(bool p_play) {
_play=p_play;
if (is_inside_tree()) {
if(_play)
play();
else
stop();
}
}
bool SpatialStreamPlayer::_get_play() const{
return _play;
}
void SpatialStreamPlayer::set_buffering_msec(int p_msec) {
buffering_ms=p_msec;
}
int SpatialStreamPlayer::get_buffering_msec() const{
return buffering_ms;
}
void SpatialStreamPlayer::_bind_methods() {
ClassDB::bind_method(_MD("set_stream","stream:AudioStream"),&SpatialStreamPlayer::set_stream);
ClassDB::bind_method(_MD("get_stream:AudioStream"),&SpatialStreamPlayer::get_stream);
ClassDB::bind_method(_MD("play","offset"),&SpatialStreamPlayer::play,DEFVAL(0));
ClassDB::bind_method(_MD("stop"),&SpatialStreamPlayer::stop);
ClassDB::bind_method(_MD("is_playing"),&SpatialStreamPlayer::is_playing);
ClassDB::bind_method(_MD("set_paused","paused"),&SpatialStreamPlayer::set_paused);
ClassDB::bind_method(_MD("is_paused"),&SpatialStreamPlayer::is_paused);
ClassDB::bind_method(_MD("set_loop","enabled"),&SpatialStreamPlayer::set_loop);
ClassDB::bind_method(_MD("has_loop"),&SpatialStreamPlayer::has_loop);
ClassDB::bind_method(_MD("set_volume","volume"),&SpatialStreamPlayer::set_volume);
ClassDB::bind_method(_MD("get_volume"),&SpatialStreamPlayer::get_volume);
ClassDB::bind_method(_MD("set_volume_db","db"),&SpatialStreamPlayer::set_volume_db);
ClassDB::bind_method(_MD("get_volume_db"),&SpatialStreamPlayer::get_volume_db);
ClassDB::bind_method(_MD("set_buffering_msec","msec"),&SpatialStreamPlayer::set_buffering_msec);
ClassDB::bind_method(_MD("get_buffering_msec"),&SpatialStreamPlayer::get_buffering_msec);
ClassDB::bind_method(_MD("set_loop_restart_time","secs"),&SpatialStreamPlayer::set_loop_restart_time);
ClassDB::bind_method(_MD("get_loop_restart_time"),&SpatialStreamPlayer::get_loop_restart_time);
ClassDB::bind_method(_MD("get_stream_name"),&SpatialStreamPlayer::get_stream_name);
ClassDB::bind_method(_MD("get_loop_count"),&SpatialStreamPlayer::get_loop_count);
ClassDB::bind_method(_MD("get_pos"),&SpatialStreamPlayer::get_pos);
ClassDB::bind_method(_MD("seek_pos","time"),&SpatialStreamPlayer::seek_pos);
ClassDB::bind_method(_MD("set_autoplay","enabled"),&SpatialStreamPlayer::set_autoplay);
ClassDB::bind_method(_MD("has_autoplay"),&SpatialStreamPlayer::has_autoplay);
ClassDB::bind_method(_MD("get_length"),&SpatialStreamPlayer::get_length);
ClassDB::bind_method(_MD("_set_play","play"),&SpatialStreamPlayer::_set_play);
ClassDB::bind_method(_MD("_get_play"),&SpatialStreamPlayer::_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") );
}
SpatialStreamPlayer::SpatialStreamPlayer() {
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;
}
SpatialStreamPlayer::~SpatialStreamPlayer() {
AudioServer::get_singleton()->free(stream_rid);
resampler.clear();
}
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