mirror of
https://github.com/godotengine/godot.git
synced 2024-11-27 09:16:35 +08:00
337 lines
8.6 KiB
C++
337 lines
8.6 KiB
C++
/*************************************************************************/
|
|
/* gibberish_stream.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 "gibberish_stream.h"
|
|
#include "servers/audio_server.h"
|
|
|
|
//TODO: This class needs to be adapted to the new AudioStream API,
|
|
// or dropped if nobody cares about fixing it :) (GH-3307)
|
|
|
|
#if 0
|
|
|
|
int AudioStreamGibberish::get_channel_count() const {
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
static float _get_vol_at_pos(int p_pos, int p_len, int p_x_fade) {
|
|
|
|
if (p_pos < p_x_fade)
|
|
return float(p_pos)/p_x_fade;
|
|
else if (p_pos>(p_len-p_x_fade))
|
|
return float(p_len-p_pos)/p_x_fade;
|
|
else
|
|
return 1.0;
|
|
|
|
}
|
|
int AudioStreamGibberish::randomize() {
|
|
|
|
if (rand_idx==_rand_pool.size()) {
|
|
|
|
for(int i=0;i<_rand_pool.size();i++) {
|
|
|
|
SWAP(_rand_pool[i],_rand_pool[Math::rand()%_rand_pool.size()]);
|
|
}
|
|
rand_idx=0;
|
|
}
|
|
|
|
return _rand_pool[rand_idx++];
|
|
}
|
|
|
|
bool AudioStreamGibberish::mix(int32_t *p_buffer, int p_frames) {
|
|
|
|
if (!active)
|
|
return false;
|
|
|
|
zeromem(p_buffer,p_frames*sizeof(int32_t));
|
|
|
|
if (!paused && active_voices==0) {
|
|
|
|
active_voices=1;
|
|
playback[0].idx=randomize();
|
|
playback[0].fp_pos=0;
|
|
playback[0].scale=Math::random(1,1+pitch_random_scale);
|
|
}
|
|
|
|
for(int i=0;i<active_voices;i++) {
|
|
|
|
RID s = _samples[playback[i].idx]->get_rid();
|
|
|
|
uint64_t fp_pos=playback[i].fp_pos;
|
|
const void *data = AudioServer::get_singleton()->sample_get_data_ptr(s);
|
|
bool is16 = AudioServer::get_singleton()->sample_get_format(s)==AudioServer::SAMPLE_FORMAT_PCM16;
|
|
int skip = AudioServer::get_singleton()->sample_is_stereo(s) ? 1: 0;
|
|
uint64_t max = AudioServer::get_singleton()->sample_get_length(s) * uint64_t(FP_LEN);
|
|
int mrate = AudioServer::get_singleton()->sample_get_mix_rate(s) * pitch_scale * playback[i].scale;
|
|
uint64_t increment = uint64_t(mrate) * uint64_t(FP_LEN) / get_mix_rate();
|
|
|
|
|
|
float vol_begin = _get_vol_at_pos(fp_pos>>FP_BITS,max>>FP_BITS,xfade_time*mrate);
|
|
float vol_end = _get_vol_at_pos((fp_pos+p_frames*increment)>>FP_BITS,max>>FP_BITS,xfade_time*mrate);
|
|
|
|
int32_t vol = CLAMP(int32_t(vol_begin * 65535),0,65535);
|
|
int32_t vol_to = CLAMP(int32_t(vol_end * 65535),0,65535);
|
|
int32_t vol_inc = (vol_to-vol)/p_frames;
|
|
|
|
bool done=false;
|
|
|
|
if (is16) {
|
|
|
|
const int16_t *smp = (int16_t*)data;
|
|
for(int i=0;i<p_frames;i++) {
|
|
|
|
if (fp_pos >= max) {
|
|
done=true;
|
|
break;
|
|
}
|
|
|
|
int idx = (fp_pos>>FP_BITS)<<skip;
|
|
p_buffer[i]+=int32_t(smp[idx])*vol;
|
|
vol+=vol_inc;
|
|
|
|
fp_pos+=increment;
|
|
}
|
|
} else {
|
|
|
|
const int8_t *smp = (int8_t*)data;
|
|
for(int i=0;i<p_frames;i++) {
|
|
|
|
if (fp_pos >= max) {
|
|
done=true;
|
|
break;
|
|
}
|
|
|
|
int idx = (fp_pos>>FP_BITS)<<skip;
|
|
p_buffer[i]+=(int32_t(smp[idx])<<8)*vol;
|
|
vol+=vol_inc;
|
|
fp_pos+=increment;
|
|
}
|
|
|
|
}
|
|
|
|
playback[i].fp_pos=fp_pos;
|
|
if (!paused && active_voices==1 && (vol_end < vol_begin || done)) {
|
|
//xfade to something else i gues
|
|
active_voices=2;
|
|
playback[1].idx=randomize();
|
|
playback[1].fp_pos=0;
|
|
playback[1].scale=Math::random(1,1+pitch_random_scale);
|
|
}
|
|
|
|
if (done) {
|
|
|
|
if (i==0 && active_voices==2) {
|
|
playback[0]=playback[1];
|
|
i--;
|
|
}
|
|
active_voices--;
|
|
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void AudioStreamGibberish::play() {
|
|
if (active)
|
|
stop();
|
|
|
|
|
|
if (!phonemes.is_valid())
|
|
return;
|
|
|
|
|
|
List<StringName> slist;
|
|
phonemes->get_sample_list(&slist);
|
|
if (slist.size()==0)
|
|
return;
|
|
|
|
_samples.resize(slist.size());
|
|
_rand_pool.resize(slist.size());
|
|
|
|
int i=0;
|
|
for(List<StringName>::Element *E=slist.front();E;E=E->next()) {
|
|
|
|
_rand_pool[i]=i;
|
|
_samples[i++]=phonemes->get_sample(E->get());
|
|
}
|
|
|
|
rand_idx=0;
|
|
active_voices=0;
|
|
active=true;
|
|
}
|
|
|
|
void AudioStreamGibberish::stop(){
|
|
|
|
active=false;
|
|
|
|
|
|
}
|
|
|
|
bool AudioStreamGibberish::is_playing() const {
|
|
|
|
return active;
|
|
}
|
|
|
|
|
|
void AudioStreamGibberish::set_paused(bool p_paused){
|
|
|
|
paused=p_paused;
|
|
}
|
|
|
|
bool AudioStreamGibberish::is_paused(bool p_paused) const{
|
|
|
|
return paused;
|
|
}
|
|
|
|
void AudioStreamGibberish::set_loop(bool p_enable){
|
|
|
|
|
|
}
|
|
|
|
bool AudioStreamGibberish::has_loop() const{
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
float AudioStreamGibberish::get_length() const{
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
String AudioStreamGibberish::get_stream_name() const{
|
|
|
|
return "Gibberish";
|
|
}
|
|
|
|
|
|
int AudioStreamGibberish::get_loop_count() const{
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
float AudioStreamGibberish::get_pos() const{
|
|
|
|
return 0;
|
|
}
|
|
|
|
void AudioStreamGibberish::seek_pos(float p_time){
|
|
|
|
|
|
}
|
|
|
|
|
|
AudioStream::UpdateMode AudioStreamGibberish::get_update_mode() const{
|
|
|
|
return AudioStream::UPDATE_NONE;
|
|
}
|
|
|
|
void AudioStreamGibberish::update(){
|
|
|
|
|
|
}
|
|
|
|
|
|
void AudioStreamGibberish::set_phonemes(const Ref<SampleLibrary>& p_phonemes) {
|
|
|
|
phonemes=p_phonemes;
|
|
|
|
}
|
|
|
|
Ref<SampleLibrary> AudioStreamGibberish::get_phonemes() const {
|
|
|
|
return phonemes;
|
|
}
|
|
|
|
void AudioStreamGibberish::set_xfade_time(float p_xfade) {
|
|
|
|
xfade_time=p_xfade;
|
|
}
|
|
|
|
float AudioStreamGibberish::get_xfade_time() const {
|
|
|
|
return xfade_time;
|
|
}
|
|
|
|
void AudioStreamGibberish::set_pitch_scale(float p_scale) {
|
|
|
|
pitch_scale=p_scale;
|
|
}
|
|
|
|
float AudioStreamGibberish::get_pitch_scale() const {
|
|
|
|
return pitch_scale;
|
|
}
|
|
|
|
void AudioStreamGibberish::set_pitch_random_scale(float p_random_scale) {
|
|
|
|
pitch_random_scale=p_random_scale;
|
|
}
|
|
|
|
float AudioStreamGibberish::get_pitch_random_scale() const {
|
|
|
|
return pitch_random_scale;
|
|
}
|
|
|
|
void AudioStreamGibberish::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("set_phonemes","phonemes"),&AudioStreamGibberish::set_phonemes);
|
|
ClassDB::bind_method(D_METHOD("get_phonemes"),&AudioStreamGibberish::get_phonemes);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_pitch_scale","pitch_scale"),&AudioStreamGibberish::set_pitch_scale);
|
|
ClassDB::bind_method(D_METHOD("get_pitch_scale"),&AudioStreamGibberish::get_pitch_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_pitch_random_scale","pitch_random_scale"),&AudioStreamGibberish::set_pitch_random_scale);
|
|
ClassDB::bind_method(D_METHOD("get_pitch_random_scale"),&AudioStreamGibberish::get_pitch_random_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_xfade_time","sec"),&AudioStreamGibberish::set_xfade_time);
|
|
ClassDB::bind_method(D_METHOD("get_xfade_time"),&AudioStreamGibberish::get_xfade_time);
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"phonemes",PROPERTY_HINT_RESOURCE_TYPE,"SampleLibrary"),"set_phonemes","get_phonemes");
|
|
ADD_PROPERTY( PropertyInfo(Variant::REAL,"pitch_scale",PROPERTY_HINT_RANGE,"0.01,64,0.01"),"set_pitch_scale","get_pitch_scale");
|
|
ADD_PROPERTY( PropertyInfo(Variant::REAL,"pitch_random_scale",PROPERTY_HINT_RANGE,"0,64,0.01"),"set_pitch_random_scale","get_pitch_random_scale");
|
|
ADD_PROPERTY( PropertyInfo(Variant::REAL,"xfade_sec",PROPERTY_HINT_RANGE,"0.001,0.5,0.001"),"set_xfade_time","get_xfade_time");
|
|
|
|
}
|
|
|
|
AudioStreamGibberish::AudioStreamGibberish() {
|
|
|
|
xfade_time=0.1;
|
|
pitch_scale=1;
|
|
pitch_random_scale=0;
|
|
active=false;
|
|
paused=false;
|
|
active_voices=0;
|
|
}
|
|
#endif
|