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Diffstat (limited to 'servers/audio/audio_server_sw.cpp')
| -rw-r--r-- | servers/audio/audio_server_sw.cpp | 1012 |
1 files changed, 1012 insertions, 0 deletions
diff --git a/servers/audio/audio_server_sw.cpp b/servers/audio/audio_server_sw.cpp new file mode 100644 index 0000000000..069bc414f9 --- /dev/null +++ b/servers/audio/audio_server_sw.cpp @@ -0,0 +1,1012 @@ +/*************************************************************************/ +/* audio_server_sw.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 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 "audio_server_sw.h" +#include "globals.h" +#include "os/os.h" + +struct _AudioDriverLock { + + _AudioDriverLock() { if (AudioDriverSW::get_singleton()) AudioDriverSW::get_singleton()->lock(); } + ~_AudioDriverLock() { if (AudioDriverSW::get_singleton()) AudioDriverSW::get_singleton()->unlock(); } + +}; + +#define AUDIO_LOCK _AudioDriverLock _adlock; + +AudioMixer *AudioServerSW::get_mixer() { + + return mixer; +} + +/* CALLBACKS */ + +void AudioServerSW::audio_mixer_chunk_callback(int p_frames) { +/* + for(List<Stream*>::Element *E=event_streams.front();E;E=E->next()) { + + if (E->get()->active) + E->get()->audio_stream->mix(NULL,p_frames); + } +*/ +} + +void AudioServerSW::_mixer_callback(void *p_udata) { + + AudioServerSW *self = (AudioServerSW*)p_udata; + for(List<Stream*>::Element *E=self->active_audio_streams.front();E;E=E->next()) { + + if (!E->get()->active) + continue; + + EventStream *es=E->get()->event_stream; + if (!es) + continue; + + es->update(self->mixer_step_usecs); + } + +} + +void AudioServerSW::driver_process_chunk(int p_frames,int32_t *p_buffer) { + + + + int samples=p_frames*internal_buffer_channels; + + for(int i=0;i<samples;i++) { + internal_buffer[i]=0; + } + + while(voice_rb.commands_left()) { + + VoiceRBSW::Command cmd = voice_rb.pop_command(); + + if (cmd.type==VoiceRBSW::Command::CMD_CHANGE_ALL_FX_VOLUMES) { + + SelfList<Voice>*al = active_list.first(); + while(al) { + + Voice *v=al->self(); + if (v->channel!=AudioMixer::INVALID_CHANNEL) { + mixer->channel_set_volume(v->channel,v->volume*fx_volume_scale); + } + al=al->next(); + } + + continue; + } + if (!voice_owner.owns(cmd.voice)) + continue; + + + Voice *v = voice_owner.get(cmd.voice); + + switch(cmd.type) { + case VoiceRBSW::Command::CMD_NONE: { + + + } break; + case VoiceRBSW::Command::CMD_PLAY: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_free(v->channel); + + RID sample = cmd.play.sample; + if (!sample_manager->is_sample(sample)) + continue; + + v->channel=mixer->channel_alloc(sample); + v->volume=1.0; + mixer->channel_set_volume(v->channel,fx_volume_scale); + if (v->channel==AudioMixer::INVALID_CHANNEL) { +#ifdef AUDIO_DEBUG + WARN_PRINT("AUDIO: all channels used, failed to allocate voice"); +#endif + v->active=false; + break; // no voices left? + } + + v->active=true; // this kind of ensures it works + if (!v->active_item.in_list()) + active_list.add(&v->active_item); + + } break; + case VoiceRBSW::Command::CMD_STOP: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) { + mixer->channel_free(v->channel); + if (v->active_item.in_list()) { + active_list.remove(&v->active_item); + } + } + v->active=false; + } break; + case VoiceRBSW::Command::CMD_SET_VOLUME: { + + + if (v->channel!=AudioMixer::INVALID_CHANNEL) { + v->volume=cmd.volume.volume; + mixer->channel_set_volume(v->channel,cmd.volume.volume*fx_volume_scale); + } + + } break; + case VoiceRBSW::Command::CMD_SET_PAN: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_set_pan(v->channel,cmd.pan.pan,cmd.pan.depth,cmd.pan.height); + + } break; + case VoiceRBSW::Command::CMD_SET_FILTER: { + + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_set_filter(v->channel,(AudioMixer::FilterType)cmd.filter.type,cmd.filter.cutoff,cmd.filter.resonance,cmd.filter.gain); + } break; + case VoiceRBSW::Command::CMD_SET_CHORUS: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_set_chorus(v->channel,cmd.chorus.send); + + } break; + case VoiceRBSW::Command::CMD_SET_REVERB: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_set_reverb(v->channel,(AudioMixer::ReverbRoomType)cmd.reverb.room,cmd.reverb.send); + + } break; + case VoiceRBSW::Command::CMD_SET_MIX_RATE: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_set_mix_rate(v->channel,cmd.mix_rate.mix_rate); + + } break; + case VoiceRBSW::Command::CMD_SET_POSITIONAL: { + + if (v->channel!=AudioMixer::INVALID_CHANNEL) + mixer->channel_set_positional(v->channel,cmd.positional.positional); + + } break; + default: {} + + } + } + + mixer->mix(internal_buffer,p_frames); + //uint64_t stepsize=mixer->get_step_usecs(); + + + for(List<Stream*>::Element *E=active_audio_streams.front();E;E=E->next()) { + + ERR_CONTINUE(!E->get()->active); // bug? + + + AudioStream *as=E->get()->audio_stream; + if (!as) + continue; + + int channels=as->get_channel_count(); + if (channels==0) + continue; // does not want mix + if (!as->mix(stream_buffer,p_frames)) + continue; //nothing was mixed!! + + int32_t stream_vol_scale=(stream_volume*stream_volume_scale*E->get()->volume_scale)*(1<<STREAM_SCALE_BITS); + +#define STRSCALE(m_val) (((m_val>>STREAM_SCALE_BITS)*stream_vol_scale)>>8) + switch(internal_buffer_channels) { + + case 2: { + + switch(channels) { + case 1: { + + for(int i=0;i<p_frames;i++) { + + internal_buffer[(i<<1)+0]+=STRSCALE(stream_buffer[i]); + internal_buffer[(i<<1)+1]+=STRSCALE(stream_buffer[i]); + } + } break; + case 2: { + + for(int i=0;i<p_frames*2;i++) { + + internal_buffer[i]+=STRSCALE(stream_buffer[i]); + } + } break; + case 4: { + + for(int i=0;i<p_frames;i++) { + + internal_buffer[(i<<2)+0]+=STRSCALE((stream_buffer[(i<<2)+0]+stream_buffer[(i<<2)+2])>>1); + internal_buffer[(i<<2)+1]+=STRSCALE((stream_buffer[(i<<2)+1]+stream_buffer[(i<<2)+3])>>1); + } + } break; + + } break; + + } break; + case 4: { + + switch(channels) { + case 1: { + + for(int i=0;i<p_frames;i++) { + + internal_buffer[(i<<2)+0]+=STRSCALE(stream_buffer[i]); + internal_buffer[(i<<2)+1]+=STRSCALE(stream_buffer[i]); + internal_buffer[(i<<2)+2]+=STRSCALE(stream_buffer[i]); + internal_buffer[(i<<2)+3]+=STRSCALE(stream_buffer[i]); + } + } break; + case 2: { + + for(int i=0;i<p_frames*2;i++) { + + internal_buffer[(i<<2)+0]+=STRSCALE(stream_buffer[(i<<1)+0]); + internal_buffer[(i<<2)+1]+=STRSCALE(stream_buffer[(i<<1)+1]); + internal_buffer[(i<<2)+2]+=STRSCALE(stream_buffer[(i<<1)+0]); + internal_buffer[(i<<2)+3]+=STRSCALE(stream_buffer[(i<<1)+1]); + } + } break; + case 4: { + + for(int i=0;i<p_frames*4;i++) { + internal_buffer[i]+=STRSCALE(stream_buffer[i]); + } + } break; + + } break; + + } break; + case 6: { + + + } break; + } + +#undef STRSCALE + } + + SelfList<Voice> *activeE=active_list.first(); + while(activeE) { + + SelfList<Voice> *activeN=activeE->next(); + if (activeE->self()->channel==AudioMixer::INVALID_CHANNEL || !mixer->channel_is_valid(activeE->self()->channel)) { + + active_list.remove(activeE); + activeE->self()->active=false; + + } + activeE=activeN; + } + + uint32_t peak=0; + for(int i=0;i<samples;i++) { + //clamp to (1<<24) using branchless code + int32_t in = internal_buffer[i]; +#ifdef DEBUG_ENABLED + { + int mask = (in >> (32 - 1)); + uint32_t p = (in + mask) ^ mask; + if (p>peak) + peak=p; + } +#endif + int32_t lo = -0x800000, hi=0x7FFFFF; + lo-=in; + hi-=in; + in += (lo & ((lo < 0) - 1)) + (hi & ((hi > 0) - 1)); + p_buffer[i]=in<<8; + } + + if (peak>max_peak) + max_peak=peak; +} + +void AudioServerSW::driver_process(int p_frames,int32_t *p_buffer) { + + + //process in chunks to make sure to never process more than INTERNAL_BUFFER_SIZE + int todo=p_frames; + while(todo) { + + int tomix=MIN(todo,INTERNAL_BUFFER_SIZE); + driver_process_chunk(tomix,p_buffer); + p_buffer+=tomix; + todo-=tomix; + } + + +} + +/* SAMPLE API */ + +RID AudioServerSW::sample_create(SampleFormat p_format, bool p_stereo, int p_length) { + + AUDIO_LOCK + + return sample_manager->sample_create(p_format,p_stereo,p_length); +} + +void AudioServerSW::sample_set_description(RID p_sample, const String& p_description) { + + AUDIO_LOCK + sample_manager->sample_set_description(p_sample,p_description); +} +String AudioServerSW::sample_get_description(RID p_sample, const String& p_description) const { + + AUDIO_LOCK + return sample_manager->sample_get_description(p_sample); +} + +AS::SampleFormat AudioServerSW::sample_get_format(RID p_sample) const { + //AUDIO_LOCK + return sample_manager->sample_get_format(p_sample); +} +bool AudioServerSW::sample_is_stereo(RID p_sample) const { + //AUDIO_LOCK + return sample_manager->sample_is_stereo(p_sample); +} +int AudioServerSW::sample_get_length(RID p_sample) const { + ///AUDIO_LOCK + return sample_manager->sample_get_length(p_sample); +} + +const void* AudioServerSW::sample_get_data_ptr(RID p_sample) const { + ///AUDIO_LOCK + return sample_manager->sample_get_data_ptr(p_sample); +} + +void AudioServerSW::sample_set_data(RID p_sample, const DVector<uint8_t>& p_buffer) { + AUDIO_LOCK + sample_manager->sample_set_data(p_sample,p_buffer); +} +const DVector<uint8_t> AudioServerSW::sample_get_data(RID p_sample) const { + AUDIO_LOCK + return sample_manager->sample_get_data(p_sample); +} + +void AudioServerSW::sample_set_mix_rate(RID p_sample,int p_rate) { + AUDIO_LOCK + sample_manager->sample_set_mix_rate(p_sample,p_rate); +} +int AudioServerSW::sample_get_mix_rate(RID p_sample) const { + AUDIO_LOCK + return sample_manager->sample_get_mix_rate(p_sample); +} + +void AudioServerSW::sample_set_loop_format(RID p_sample,SampleLoopFormat p_format) { + AUDIO_LOCK + sample_manager->sample_set_loop_format(p_sample,p_format); +} +AS::SampleLoopFormat AudioServerSW::sample_get_loop_format(RID p_sample) const { + AUDIO_LOCK + return sample_manager->sample_get_loop_format(p_sample); +} + +void AudioServerSW::sample_set_loop_begin(RID p_sample,int p_pos) { + AUDIO_LOCK + sample_manager->sample_set_loop_begin(p_sample,p_pos); +} +int AudioServerSW::sample_get_loop_begin(RID p_sample) const { + AUDIO_LOCK + return sample_manager->sample_get_loop_begin(p_sample); +} + +void AudioServerSW::sample_set_loop_end(RID p_sample,int p_pos) { + AUDIO_LOCK + sample_manager->sample_set_loop_end(p_sample,p_pos); +} +int AudioServerSW::sample_get_loop_end(RID p_sample) const { + AUDIO_LOCK + return sample_manager->sample_get_loop_end(p_sample); +} + +/* VOICE API */ + +RID AudioServerSW::voice_create() { + + Voice * v = memnew( Voice ); + v->channel=AudioMixer::INVALID_CHANNEL; + + AUDIO_LOCK + return voice_owner.make_rid(v); + +} +void AudioServerSW::voice_play(RID p_voice, RID p_sample) { + + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND(!v); + v->active=true; // force actvive (will be disabled later i gues..) + + //stop old, start new + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_PLAY; + cmd.voice=p_voice; + cmd.play.sample=p_sample; + voice_rb.push_command(cmd); + +} + +void AudioServerSW::voice_set_volume(RID p_voice, float p_db) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_VOLUME; + cmd.voice=p_voice; + cmd.volume.volume=p_db; + voice_rb.push_command(cmd); + +} +void AudioServerSW::voice_set_pan(RID p_voice, float p_pan, float p_depth,float p_height) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_PAN; + cmd.voice=p_voice; + cmd.pan.pan=p_pan; + cmd.pan.depth=p_depth; + cmd.pan.height=p_height; + voice_rb.push_command(cmd); + +} +void AudioServerSW::voice_set_filter(RID p_voice, FilterType p_type, float p_cutoff, float p_resonance,float p_gain) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_FILTER; + cmd.voice=p_voice; + cmd.filter.type=p_type; + cmd.filter.cutoff=p_cutoff; + cmd.filter.resonance=p_resonance; + cmd.filter.gain=p_gain; + voice_rb.push_command(cmd); + +} +void AudioServerSW::voice_set_chorus(RID p_voice, float p_chorus ) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_CHORUS; + cmd.voice=p_voice; + cmd.chorus.send=p_chorus; + voice_rb.push_command(cmd); + +} +void AudioServerSW::voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_REVERB; + cmd.voice=p_voice; + cmd.reverb.room=p_room_type; + cmd.reverb.send=p_reverb; + voice_rb.push_command(cmd); + +} +void AudioServerSW::voice_set_mix_rate(RID p_voice, int p_mix_rate) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_MIX_RATE; + cmd.voice=p_voice; + cmd.mix_rate.mix_rate=p_mix_rate; + voice_rb.push_command(cmd); + +} +void AudioServerSW::voice_set_positional(RID p_voice, bool p_positional) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_SET_POSITIONAL; + cmd.voice=p_voice; + cmd.positional.positional=p_positional; + voice_rb.push_command(cmd); + +} + +float AudioServerSW::voice_get_volume(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_volume( v->channel ); + +} +float AudioServerSW::voice_get_pan(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_pan( v->channel ); + +} +float AudioServerSW::voice_get_pan_depth(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_pan_depth( v->channel ); + +} +float AudioServerSW::voice_get_pan_height(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_pan_height( v->channel ); + +} +AS::FilterType AudioServerSW::voice_get_filter_type(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, AS::FILTER_NONE); + + return (AS::FilterType)mixer->channel_get_filter_type(v->channel); + +} +float AudioServerSW::voice_get_filter_cutoff(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_filter_cutoff( v->channel ); + +} +float AudioServerSW::voice_get_filter_resonance(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_filter_resonance( v->channel ); + +} +float AudioServerSW::voice_get_chorus(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_chorus( v->channel ); + +} +AS::ReverbRoomType AudioServerSW::voice_get_reverb_type(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, REVERB_SMALL); + + return (AS::ReverbRoomType)mixer->channel_get_reverb_type( v->channel ); + +} +float AudioServerSW::voice_get_reverb(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_reverb( v->channel ); + +} + +int AudioServerSW::voice_get_mix_rate(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_get_mix_rate( v->channel ); + +} +bool AudioServerSW::voice_is_positional(RID p_voice) const { + + AUDIO_LOCK + Voice *v = voice_owner.get( p_voice ); + ERR_FAIL_COND_V(!v, 0); + + return mixer->channel_is_positional( v->channel ); + +} + +void AudioServerSW::voice_stop(RID p_voice) { + + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_STOP; + cmd.voice=p_voice; + voice_rb.push_command(cmd); + + //return mixer->channel_free( v->channel ); + +} + +bool AudioServerSW::voice_is_active(RID p_voice) const { + + Voice *v = voice_owner.get(p_voice); + ERR_FAIL_COND_V(!v,false); + return v->active; + +} + +/* STREAM API */ + +RID AudioServerSW::audio_stream_create(AudioStream *p_stream) { + + AUDIO_LOCK + Stream *s = memnew(Stream); + s->audio_stream=p_stream; + s->event_stream=NULL; + s->active=false; + s->E=NULL; + s->volume_scale=1.0; + p_stream->set_mix_rate(AudioDriverSW::get_singleton()->get_mix_rate()); + + return stream_owner.make_rid(s); +} + +RID AudioServerSW::event_stream_create(EventStream *p_stream) { + + AUDIO_LOCK + Stream *s = memnew(Stream); + s->audio_stream=NULL; + s->event_stream=p_stream; + s->active=false; + s->E=NULL; + s->volume_scale=1.0; + //p_stream->set_mix_rate(AudioDriverSW::get_singleton()->get_mix_rate()); + + return stream_owner.make_rid(s); + + +} + + +void AudioServerSW::stream_set_active(RID p_stream, bool p_active) { + + + Stream *s = stream_owner.get(p_stream); + ERR_FAIL_COND(!s); + + if (s->active==p_active) + return; + AUDIO_LOCK; + _THREAD_SAFE_METHOD_ + s->active=p_active; + if (p_active) + s->E=active_audio_streams.push_back(s); + else { + active_audio_streams.erase(s->E); + s->E=NULL; + } +} + +bool AudioServerSW::stream_is_active(RID p_stream) const { + + Stream *s = stream_owner.get(p_stream); + ERR_FAIL_COND_V(!s,false); + return s->active; +} + +void AudioServerSW::stream_set_volume_scale(RID p_stream, float p_scale) { + + Stream *s = stream_owner.get(p_stream); + ERR_FAIL_COND(!s); + s->volume_scale=p_scale; + +} + +float AudioServerSW::stream_set_volume_scale(RID p_stream) const { + + Stream *s = stream_owner.get(p_stream); + ERR_FAIL_COND_V(!s,0); + return s->volume_scale; + +} + + +void AudioServerSW::free(RID p_id) { + + if(voice_owner.owns(p_id)) { + + Voice *v = voice_owner.get(p_id); + AUDIO_LOCK + mixer->channel_free( v->channel ); + voice_owner.free(p_id); + memdelete(v); + + } else if (stream_owner.owns(p_id)) { + + + Stream *s=stream_owner.get(p_id); + + if (s->active) { + stream_set_active(p_id,false); + } + + memdelete(s); + stream_owner.free(p_id); + + } else if (sample_manager->is_sample(p_id)) { + + AUDIO_LOCK + sample_manager->free(p_id); + } + +} + +void AudioServerSW::_thread_func(void *self) { + + + AudioServerSW *as=(AudioServerSW *)self; + + while (!as->exit_update_thread) { + as->_update_streams(true); + OS::get_singleton()->delay_usec(5000); + } + +} + +void AudioServerSW::init() { + + int latency = GLOBAL_DEF("audio/mixer_latency",10); + internal_buffer_channels=2; // read from driver + internal_buffer = memnew_arr(int32_t,INTERNAL_BUFFER_SIZE*internal_buffer_channels); + stream_buffer = memnew_arr(int32_t,INTERNAL_BUFFER_SIZE*4); //max 4 channels + AudioMixerSW::MixChannels mix_chans = AudioMixerSW::MIX_STEREO; + + switch(AudioDriverSW::get_singleton()->get_output_format()) { + + case AudioDriverSW::OUTPUT_MONO: + case AudioDriverSW::OUTPUT_STEREO: + mix_chans=AudioMixerSW::MIX_STEREO; + break; + case AudioDriverSW::OUTPUT_QUAD: + case AudioDriverSW::OUTPUT_5_1: + mix_chans=AudioMixerSW::MIX_QUAD; + break; + } + + mixer = memnew( AudioMixerSW( sample_manager, latency, AudioDriverSW::get_singleton()->get_mix_rate(),mix_chans,mixer_use_fx,mixer_interp,_mixer_callback,this ) ); + mixer_step_usecs=mixer->get_step_usecs(); + + stream_volume=0.3; + // start the audio driver + if (AudioDriverSW::get_singleton()) + AudioDriverSW::get_singleton()->start(); + +#ifndef NO_THREADS + exit_update_thread=false; + thread = Thread::create(_thread_func,this); +#endif + +} + +void AudioServerSW::finish() { + +#ifndef NO_THREADS + exit_update_thread=true; + Thread::wait_to_finish(thread); + memdelete(thread); +#endif + + if (AudioDriverSW::get_singleton()) + AudioDriverSW::get_singleton()->finish(); + + memdelete_arr(internal_buffer); + memdelete_arr(stream_buffer); + memdelete(mixer); + +} + +void AudioServerSW::_update_streams(bool p_thread) { + + _THREAD_SAFE_METHOD_ + for(List<Stream*>::Element *E=active_audio_streams.front();E;E=E->next()) { + + if (E->get()->audio_stream && p_thread == E->get()->audio_stream->can_update_mt()) + E->get()->audio_stream->update(); + } + +} + +void AudioServerSW::update() { + + _update_streams(false); +#ifdef NO_THREADS + + _update_streams(true); +#endif +} + + +void AudioServerSW::lock() { + + AudioDriverSW::get_singleton()->lock(); +} + +void AudioServerSW::unlock() { + AudioDriverSW::get_singleton()->unlock(); + +} + +int AudioServerSW::get_default_mix_rate() const { + + return AudioDriverSW::get_singleton()->get_mix_rate(); +} +int AudioServerSW::get_default_channel_count() const { + return internal_buffer_channels; +} + +void AudioServerSW::set_mixer_params(AudioMixerSW::InterpolationType p_interp, bool p_use_fx) { + + mixer_interp=p_interp; + mixer_use_fx=p_use_fx; +} + +void AudioServerSW::set_stream_global_volume_scale(float p_volume) { + + stream_volume_scale=p_volume; +} + +float AudioServerSW::get_stream_global_volume_scale() const { + + return stream_volume_scale; + + +} + +void AudioServerSW::set_fx_global_volume_scale(float p_volume) { + + fx_volume_scale=p_volume; + //mixer->set_mixer_volume(fx_volume_scale); + VoiceRBSW::Command cmd; + cmd.type=VoiceRBSW::Command::CMD_CHANGE_ALL_FX_VOLUMES; + cmd.voice=RID(); + cmd.volume.volume=p_volume; + voice_rb.push_command(cmd); + +} + + +float AudioServerSW::get_fx_global_volume_scale() const { + + return fx_volume_scale; +} + +void AudioServerSW::set_event_voice_global_volume_scale(float p_volume) { + + event_voice_volume_scale=p_volume; + //mixer->set_mixer_volume(event_voice_volume_scale); +} + + +float AudioServerSW::get_event_voice_global_volume_scale() const { + + return event_voice_volume_scale; +} + +double AudioServerSW::get_mix_time() const { + + return AudioDriverSW::get_singleton()->get_mix_time(); +} + +uint32_t AudioServerSW::read_output_peak() const { + + uint32_t val = max_peak; + uint32_t *p = (uint32_t*)&max_peak; + *p=0; + return val; +} + +AudioServerSW::AudioServerSW(SampleManagerSW *p_sample_manager) { + + sample_manager=p_sample_manager; + String interp = GLOBAL_DEF("audio/mixer_interp","linear"); + Globals::get_singleton()->set_custom_property_info("audio/mixer",PropertyInfo(Variant::STRING,"audio/mixer",PROPERTY_HINT_ENUM,"raw,linear,cubic")); + if (interp=="raw") + mixer_interp=AudioMixerSW::INTERPOLATION_RAW; + else if (interp=="cubic") + mixer_interp=AudioMixerSW::INTERPOLATION_CUBIC; + else + mixer_interp=AudioMixerSW::INTERPOLATION_LINEAR; + mixer_use_fx = GLOBAL_DEF("audio/use_chorus_reverb",true); + stream_volume_scale=GLOBAL_DEF("audio/stream_volume_scale",1.0); + fx_volume_scale=GLOBAL_DEF("audio/fx_volume_scale",1.0); + event_voice_volume_scale=GLOBAL_DEF("audio/event_voice_volume_scale",0.5); + max_peak=0; + + +} + +AudioServerSW::~AudioServerSW() { + +} + + +AudioDriverSW *AudioDriverSW::singleton=NULL; +AudioDriverSW *AudioDriverSW::get_singleton() { + + return singleton; +} + +void AudioDriverSW::set_singleton() { + + singleton=this; +} + +void AudioDriverSW::audio_server_process(int p_frames,int32_t *p_buffer,bool p_update_mix_time) { + + AudioServerSW * audio_server = static_cast<AudioServerSW*>(AudioServer::get_singleton()); + if (p_update_mix_time) + update_mix_time(p_frames); + audio_server->driver_process(p_frames,p_buffer); +} + +void AudioDriverSW::update_mix_time(int p_frames) { + + _mix_amount+=p_frames; + _last_mix_time=OS::get_singleton()->get_ticks_usec(); +} + +double AudioDriverSW::get_mix_time() const { + + double total = (OS::get_singleton()->get_ticks_usec() - _last_mix_time) / 1000000.0; + total+=_mix_amount/(double)get_mix_rate(); + return total; + +} + + +AudioDriverSW::AudioDriverSW() { + + _last_mix_time=0; + _mix_amount=0; +} + + +AudioDriverSW *AudioDriverManagerSW::drivers[MAX_DRIVERS]; +int AudioDriverManagerSW::driver_count=0; + + + +void AudioDriverManagerSW::add_driver(AudioDriverSW *p_driver) { + + ERR_FAIL_COND(driver_count>=MAX_DRIVERS); + drivers[driver_count++]=p_driver; +} + +int AudioDriverManagerSW::get_driver_count() { + + return driver_count; +} +AudioDriverSW *AudioDriverManagerSW::get_driver(int p_driver) { + + ERR_FAIL_INDEX_V(p_driver,driver_count,NULL); + return drivers[p_driver]; +} + |