diff options
Diffstat (limited to 'servers/audio/effects/audio_effect_reverb.cpp')
| -rw-r--r-- | servers/audio/effects/audio_effect_reverb.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/servers/audio/effects/audio_effect_reverb.cpp b/servers/audio/effects/audio_effect_reverb.cpp new file mode 100644 index 0000000000..749814fd76 --- /dev/null +++ b/servers/audio/effects/audio_effect_reverb.cpp @@ -0,0 +1,182 @@ +#include "audio_effect_reverb.h" +#include "servers/audio_server.h" +void AudioEffectReverbInstance::process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count) { + + for(int i=0;i<2;i++) { + Reverb &r=reverb[i]; + + r.set_predelay( base->predelay); + r.set_predelay_feedback( base->predelay_fb ); + r.set_highpass( base->hpf ); + r.set_room_size( base->room_size ); + r.set_damp( base->damping ); + r.set_extra_spread( base->spread ); + r.set_wet( base->wet ); + r.set_dry( base->dry ); + } + + int todo = p_frame_count; + int offset=0; + + while(todo) { + + int to_mix = MIN(todo,Reverb::INPUT_BUFFER_MAX_SIZE); + + for(int j=0;j<to_mix;j++) { + tmp_src[j]=p_src_frames[offset+j].l; + } + + reverb[0].process(tmp_src,tmp_dst,to_mix); + + for(int j=0;j<to_mix;j++) { + p_dst_frames[offset+j].l=tmp_dst[j]; + tmp_src[j]=p_src_frames[offset+j].r; + } + + reverb[1].process(tmp_src,tmp_dst,to_mix); + + for(int j=0;j<to_mix;j++) { + p_dst_frames[offset+j].r=tmp_dst[j]; + } + + offset+=to_mix; + todo-=to_mix; + } +} + +AudioEffectReverbInstance::AudioEffectReverbInstance() { + + reverb[0].set_mix_rate( AudioServer::get_singleton()->get_mix_rate() ); + reverb[0].set_extra_spread_base(0); + reverb[1].set_mix_rate( AudioServer::get_singleton()->get_mix_rate() ); + reverb[1].set_extra_spread_base(0.000521); //for stereo effect + +} + +Ref<AudioEffectInstance> AudioEffectReverb::instance() { + Ref<AudioEffectReverbInstance> ins; + ins.instance(); + ins->base=Ref<AudioEffectReverb>(this); + return ins; +} + +void AudioEffectReverb::set_predelay_msec(float p_msec) { + + predelay=p_msec; +} + +void AudioEffectReverb::set_predelay_feedback(float p_feedback){ + + predelay_fb=p_feedback; +} +void AudioEffectReverb::set_room_size(float p_size){ + + room_size=p_size; +} +void AudioEffectReverb::set_damping(float p_damping){ + + damping=p_damping; +} +void AudioEffectReverb::set_spread(float p_spread){ + + spread=p_spread; +} + +void AudioEffectReverb::set_dry(float p_dry){ + + dry=p_dry; +} +void AudioEffectReverb::set_wet(float p_wet){ + + wet=p_wet; +} +void AudioEffectReverb::set_hpf(float p_hpf) { + + hpf=p_hpf; +} + +float AudioEffectReverb::get_predelay_msec() const { + + return predelay; +} +float AudioEffectReverb::get_predelay_feedback() const { + + return predelay_fb; +} +float AudioEffectReverb::get_room_size() const { + + return room_size; +} +float AudioEffectReverb::get_damping() const { + + return damping; +} +float AudioEffectReverb::get_spread() const { + + return spread; +} +float AudioEffectReverb::get_dry() const { + + return dry; +} +float AudioEffectReverb::get_wet() const { + + return wet; +} +float AudioEffectReverb::get_hpf() const { + + return hpf; +} + + +void AudioEffectReverb::_bind_methods() { + + + ClassDB::bind_method(_MD("set_predelay_msec","msec"),&AudioEffectReverb::set_predelay_msec); + ClassDB::bind_method(_MD("get_predelay_msec"),&AudioEffectReverb::get_predelay_msec); + + ClassDB::bind_method(_MD("set_predelay_feedback","feedback"),&AudioEffectReverb::set_predelay_feedback); + ClassDB::bind_method(_MD("get_predelay_feedback"),&AudioEffectReverb::get_predelay_feedback); + + ClassDB::bind_method(_MD("set_room_size","size"),&AudioEffectReverb::set_room_size); + ClassDB::bind_method(_MD("get_room_size"),&AudioEffectReverb::get_room_size); + + ClassDB::bind_method(_MD("set_damping","amount"),&AudioEffectReverb::set_damping); + ClassDB::bind_method(_MD("get_damping"),&AudioEffectReverb::get_damping); + + ClassDB::bind_method(_MD("set_spread","amount"),&AudioEffectReverb::set_spread); + ClassDB::bind_method(_MD("get_spread"),&AudioEffectReverb::get_spread); + + ClassDB::bind_method(_MD("set_dry","amount"),&AudioEffectReverb::set_dry); + ClassDB::bind_method(_MD("get_dry"),&AudioEffectReverb::get_dry); + + ClassDB::bind_method(_MD("set_wet","amount"),&AudioEffectReverb::set_wet); + ClassDB::bind_method(_MD("get_wet"),&AudioEffectReverb::get_wet); + + ClassDB::bind_method(_MD("set_hpf","amount"),&AudioEffectReverb::set_hpf); + ClassDB::bind_method(_MD("get_hpf"),&AudioEffectReverb::get_hpf); + + + ADD_GROUP("Predelay","predelay_"); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"predelay_msec",PROPERTY_HINT_RANGE,"20,500,1"),_SCS("set_predelay_msec"),_SCS("get_predelay_msec")); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"predelay_feedback",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_predelay_msec"),_SCS("get_predelay_msec")); + ADD_GROUP("",""); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"room_size",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_room_size"),_SCS("get_room_size")); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"damping",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_damping"),_SCS("get_damping")); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"spread",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_spread"),_SCS("get_spread")); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"hipass",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_hpf"),_SCS("get_hpf")); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"dry",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_dry"),_SCS("get_dry")); + ADD_PROPERTY(PropertyInfo(Variant::REAL,"wet",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_wet"),_SCS("get_wet")); +} + +AudioEffectReverb::AudioEffectReverb() { + predelay=150; + predelay_fb=0.4; + hpf=0; + room_size=0.8; + damping=0.5; + spread=1.0; + dry=1.0; + wet=0.5; + +} |