47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#include "audio_effect_panner.h"
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void AudioEffectPannerInstance::process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count) {
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float lvol = CLAMP( 1.0 - base->pan, 0, 1);
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float rvol = CLAMP( 1.0 + base->pan, 0, 1);
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for(int i=0;i<p_frame_count;i++) {
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p_dst_frames[i].l = p_src_frames[i].l * lvol + p_src_frames[i].r * (1.0 - rvol);
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p_dst_frames[i].r = p_src_frames[i].r * rvol + p_src_frames[i].l * (1.0 - lvol);
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}
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}
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Ref<AudioEffectInstance> AudioEffectPanner::instance() {
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Ref<AudioEffectPannerInstance> ins;
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ins.instance();
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ins->base=Ref<AudioEffectPanner>(this);
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return ins;
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}
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void AudioEffectPanner::set_pan(float p_cpanume) {
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pan=p_cpanume;
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}
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float AudioEffectPanner::get_pan() const {
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return pan;
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}
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void AudioEffectPanner::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_pan","cpanume"),&AudioEffectPanner::set_pan);
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ClassDB::bind_method(D_METHOD("get_pan"),&AudioEffectPanner::get_pan);
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"pan",PROPERTY_HINT_RANGE,"-1,1,0.01"),"set_pan","get_pan");
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}
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AudioEffectPanner::AudioEffectPanner()
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{
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pan=0;
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}
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