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godot/scene/3d/spatial_stream_player.cpp
Rémi Verschelde c7bc44d5ad Welcome in 2017, dear changelog reader! 
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
2017-01-01 22:03:33 +01:00

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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() {
ObjectTypeDB::bind_method(_MD("set_stream","stream:AudioStream"),&SpatialStreamPlayer::set_stream);
ObjectTypeDB::bind_method(_MD("get_stream:AudioStream"),&SpatialStreamPlayer::get_stream);
ObjectTypeDB::bind_method(_MD("play","offset"),&SpatialStreamPlayer::play,DEFVAL(0));
ObjectTypeDB::bind_method(_MD("stop"),&SpatialStreamPlayer::stop);
ObjectTypeDB::bind_method(_MD("is_playing"),&SpatialStreamPlayer::is_playing);
ObjectTypeDB::bind_method(_MD("set_paused","paused"),&SpatialStreamPlayer::set_paused);
ObjectTypeDB::bind_method(_MD("is_paused"),&SpatialStreamPlayer::is_paused);
ObjectTypeDB::bind_method(_MD("set_loop","enabled"),&SpatialStreamPlayer::set_loop);
ObjectTypeDB::bind_method(_MD("has_loop"),&SpatialStreamPlayer::has_loop);
ObjectTypeDB::bind_method(_MD("set_volume","volume"),&SpatialStreamPlayer::set_volume);
ObjectTypeDB::bind_method(_MD("get_volume"),&SpatialStreamPlayer::get_volume);
ObjectTypeDB::bind_method(_MD("set_volume_db","db"),&SpatialStreamPlayer::set_volume_db);
ObjectTypeDB::bind_method(_MD("get_volume_db"),&SpatialStreamPlayer::get_volume_db);
ObjectTypeDB::bind_method(_MD("set_buffering_msec","msec"),&SpatialStreamPlayer::set_buffering_msec);
ObjectTypeDB::bind_method(_MD("get_buffering_msec"),&SpatialStreamPlayer::get_buffering_msec);
ObjectTypeDB::bind_method(_MD("set_loop_restart_time","secs"),&SpatialStreamPlayer::set_loop_restart_time);
ObjectTypeDB::bind_method(_MD("get_loop_restart_time"),&SpatialStreamPlayer::get_loop_restart_time);
ObjectTypeDB::bind_method(_MD("get_stream_name"),&SpatialStreamPlayer::get_stream_name);
ObjectTypeDB::bind_method(_MD("get_loop_count"),&SpatialStreamPlayer::get_loop_count);
ObjectTypeDB::bind_method(_MD("get_pos"),&SpatialStreamPlayer::get_pos);
ObjectTypeDB::bind_method(_MD("seek_pos","time"),&SpatialStreamPlayer::seek_pos);
ObjectTypeDB::bind_method(_MD("set_autoplay","enabled"),&SpatialStreamPlayer::set_autoplay);
ObjectTypeDB::bind_method(_MD("has_autoplay"),&SpatialStreamPlayer::has_autoplay);
ObjectTypeDB::bind_method(_MD("get_length"),&SpatialStreamPlayer::get_length);
ObjectTypeDB::bind_method(_MD("_set_play","play"),&SpatialStreamPlayer::_set_play);
ObjectTypeDB::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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