961 lines
25 KiB
C++
961 lines
25 KiB
C++
/*************************************************************************/
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/* audio_server_sw.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "audio_server_sw.h"
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#include "globals.h"
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#include "os/os.h"
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struct _AudioDriverLock {
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_AudioDriverLock() {
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if (AudioDriverSW::get_singleton()) AudioDriverSW::get_singleton()->lock();
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}
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~_AudioDriverLock() {
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if (AudioDriverSW::get_singleton()) AudioDriverSW::get_singleton()->unlock();
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}
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};
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#define AUDIO_LOCK _AudioDriverLock _adlock;
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AudioMixer *AudioServerSW::get_mixer() {
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return mixer;
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}
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/* CALLBACKS */
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void AudioServerSW::audio_mixer_chunk_callback(int p_frames) {
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/*
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for(List<Stream*>::Element *E=event_streams.front();E;E=E->next()) {
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if (E->get()->active)
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E->get()->audio_stream->mix(NULL,p_frames);
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}
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*/
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}
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void AudioServerSW::_mixer_callback(void *p_udata) {
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AudioServerSW *self = (AudioServerSW *)p_udata;
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for (List<Stream *>::Element *E = self->active_audio_streams.front(); E; E = E->next()) {
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if (!E->get()->active)
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continue;
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EventStream *es = E->get()->event_stream;
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if (!es)
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continue;
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es->update(self->mixer_step_usecs);
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}
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}
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void AudioServerSW::driver_process_chunk(int p_frames, int32_t *p_buffer) {
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int samples = p_frames * internal_buffer_channels;
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for (int i = 0; i < samples; i++) {
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internal_buffer[i] = 0;
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}
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while (voice_rb.commands_left()) {
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VoiceRBSW::Command cmd = voice_rb.pop_command();
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if (cmd.type == VoiceRBSW::Command::CMD_CHANGE_ALL_FX_VOLUMES) {
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SelfList<Voice> *al = active_list.first();
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while (al) {
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Voice *v = al->self();
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if (v->channel != AudioMixer::INVALID_CHANNEL) {
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mixer->channel_set_volume(v->channel, v->volume * fx_volume_scale);
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}
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al = al->next();
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}
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continue;
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}
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if (!voice_owner.owns(cmd.voice))
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continue;
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Voice *v = voice_owner.get(cmd.voice);
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switch (cmd.type) {
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case VoiceRBSW::Command::CMD_NONE: {
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} break;
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case VoiceRBSW::Command::CMD_PLAY: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_free(v->channel);
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RID sample = cmd.play.sample;
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if (!sample_manager->is_sample(sample))
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continue;
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v->channel = mixer->channel_alloc(sample);
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v->volume = 1.0;
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mixer->channel_set_volume(v->channel, fx_volume_scale);
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if (v->channel == AudioMixer::INVALID_CHANNEL) {
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#ifdef AUDIO_DEBUG
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WARN_PRINT("AUDIO: all channels used, failed to allocate voice");
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#endif
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v->active = false;
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break; // no voices left?
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}
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v->active = true; // this kind of ensures it works
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if (!v->active_item.in_list())
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active_list.add(&v->active_item);
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} break;
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case VoiceRBSW::Command::CMD_STOP: {
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if (v->channel != AudioMixer::INVALID_CHANNEL) {
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mixer->channel_free(v->channel);
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if (v->active_item.in_list()) {
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active_list.remove(&v->active_item);
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}
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}
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v->active = false;
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} break;
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case VoiceRBSW::Command::CMD_SET_VOLUME: {
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if (v->channel != AudioMixer::INVALID_CHANNEL) {
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v->volume = cmd.volume.volume;
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mixer->channel_set_volume(v->channel, cmd.volume.volume * fx_volume_scale);
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}
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} break;
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case VoiceRBSW::Command::CMD_SET_PAN: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_set_pan(v->channel, cmd.pan.pan, cmd.pan.depth, cmd.pan.height);
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} break;
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case VoiceRBSW::Command::CMD_SET_FILTER: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_set_filter(v->channel, (AudioMixer::FilterType)cmd.filter.type, cmd.filter.cutoff, cmd.filter.resonance, cmd.filter.gain);
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} break;
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case VoiceRBSW::Command::CMD_SET_CHORUS: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_set_chorus(v->channel, cmd.chorus.send);
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} break;
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case VoiceRBSW::Command::CMD_SET_REVERB: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_set_reverb(v->channel, (AudioMixer::ReverbRoomType)cmd.reverb.room, cmd.reverb.send);
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} break;
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case VoiceRBSW::Command::CMD_SET_MIX_RATE: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_set_mix_rate(v->channel, cmd.mix_rate.mix_rate);
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} break;
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case VoiceRBSW::Command::CMD_SET_POSITIONAL: {
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if (v->channel != AudioMixer::INVALID_CHANNEL)
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mixer->channel_set_positional(v->channel, cmd.positional.positional);
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} break;
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default: {}
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}
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}
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mixer->mix(internal_buffer, p_frames);
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//uint64_t stepsize=mixer->get_step_usecs();
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for (List<Stream *>::Element *E = active_audio_streams.front(); E; E = E->next()) {
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ERR_CONTINUE(!E->get()->active); // bug?
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AudioStream *as = E->get()->audio_stream;
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if (!as)
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continue;
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int channels = as->get_channel_count();
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if (channels == 0)
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continue; // does not want mix
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if (!as->mix(stream_buffer, p_frames))
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continue; //nothing was mixed!!
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int32_t stream_vol_scale = (stream_volume * stream_volume_scale * E->get()->volume_scale) * (1 << STREAM_SCALE_BITS);
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#define STRSCALE(m_val) (((m_val >> STREAM_SCALE_BITS) * stream_vol_scale) >> 8)
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switch (internal_buffer_channels) {
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case 2: {
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switch (channels) {
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case 1: {
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for (int i = 0; i < p_frames; i++) {
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internal_buffer[(i << 1) + 0] += STRSCALE(stream_buffer[i]);
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internal_buffer[(i << 1) + 1] += STRSCALE(stream_buffer[i]);
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}
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} break;
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case 2: {
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for (int i = 0; i < p_frames * 2; i++) {
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internal_buffer[i] += STRSCALE(stream_buffer[i]);
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}
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} break;
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case 4: {
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for (int i = 0; i < p_frames; i++) {
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internal_buffer[(i << 2) + 0] += STRSCALE((stream_buffer[(i << 2) + 0] + stream_buffer[(i << 2) + 2]) >> 1);
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internal_buffer[(i << 2) + 1] += STRSCALE((stream_buffer[(i << 2) + 1] + stream_buffer[(i << 2) + 3]) >> 1);
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}
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} break;
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}
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break;
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} break;
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case 4: {
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switch (channels) {
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case 1: {
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for (int i = 0; i < p_frames; i++) {
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internal_buffer[(i << 2) + 0] += STRSCALE(stream_buffer[i]);
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internal_buffer[(i << 2) + 1] += STRSCALE(stream_buffer[i]);
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internal_buffer[(i << 2) + 2] += STRSCALE(stream_buffer[i]);
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internal_buffer[(i << 2) + 3] += STRSCALE(stream_buffer[i]);
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}
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} break;
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case 2: {
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for (int i = 0; i < p_frames * 2; i++) {
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internal_buffer[(i << 2) + 0] += STRSCALE(stream_buffer[(i << 1) + 0]);
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internal_buffer[(i << 2) + 1] += STRSCALE(stream_buffer[(i << 1) + 1]);
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internal_buffer[(i << 2) + 2] += STRSCALE(stream_buffer[(i << 1) + 0]);
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internal_buffer[(i << 2) + 3] += STRSCALE(stream_buffer[(i << 1) + 1]);
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}
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} break;
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case 4: {
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for (int i = 0; i < p_frames * 4; i++) {
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internal_buffer[i] += STRSCALE(stream_buffer[i]);
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}
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} break;
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}
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break;
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} break;
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case 6: {
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} break;
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}
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#undef STRSCALE
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}
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SelfList<Voice> *activeE = active_list.first();
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while (activeE) {
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SelfList<Voice> *activeN = activeE->next();
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if (activeE->self()->channel == AudioMixer::INVALID_CHANNEL || !mixer->channel_is_valid(activeE->self()->channel)) {
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active_list.remove(activeE);
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activeE->self()->active = false;
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}
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activeE = activeN;
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}
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uint32_t peak = 0;
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for (int i = 0; i < samples; i++) {
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//clamp to (1<<24) using branchless code
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int32_t in = internal_buffer[i];
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#ifdef DEBUG_ENABLED
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{
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int mask = (in >> (32 - 1));
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uint32_t p = (in + mask) ^ mask;
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if (p > peak)
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peak = p;
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}
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#endif
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int32_t lo = -0x800000, hi = 0x7FFFFF;
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lo -= in;
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hi -= in;
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in += (lo & ((lo < 0) - 1)) + (hi & ((hi > 0) - 1));
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p_buffer[i] = in << 8;
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}
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if (peak > max_peak)
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max_peak = peak;
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}
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void AudioServerSW::driver_process(int p_frames, int32_t *p_buffer) {
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_output_delay = p_frames / double(AudioDriverSW::get_singleton()->get_mix_rate());
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//process in chunks to make sure to never process more than INTERNAL_BUFFER_SIZE
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int todo = p_frames;
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while (todo) {
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int tomix = MIN(todo, INTERNAL_BUFFER_SIZE);
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driver_process_chunk(tomix, p_buffer);
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p_buffer += tomix;
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todo -= tomix;
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}
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}
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/* SAMPLE API */
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RID AudioServerSW::sample_create(SampleFormat p_format, bool p_stereo, int p_length) {
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AUDIO_LOCK
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return sample_manager->sample_create(p_format, p_stereo, p_length);
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}
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void AudioServerSW::sample_set_description(RID p_sample, const String &p_description) {
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AUDIO_LOCK
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sample_manager->sample_set_description(p_sample, p_description);
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}
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String AudioServerSW::sample_get_description(RID p_sample) const {
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AUDIO_LOCK
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return sample_manager->sample_get_description(p_sample);
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}
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AS::SampleFormat AudioServerSW::sample_get_format(RID p_sample) const {
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//AUDIO_LOCK
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return sample_manager->sample_get_format(p_sample);
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}
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bool AudioServerSW::sample_is_stereo(RID p_sample) const {
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//AUDIO_LOCK
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return sample_manager->sample_is_stereo(p_sample);
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}
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int AudioServerSW::sample_get_length(RID p_sample) const {
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///AUDIO_LOCK
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return sample_manager->sample_get_length(p_sample);
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}
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const void *AudioServerSW::sample_get_data_ptr(RID p_sample) const {
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///AUDIO_LOCK
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return sample_manager->sample_get_data_ptr(p_sample);
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}
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void AudioServerSW::sample_set_data(RID p_sample, const DVector<uint8_t> &p_buffer) {
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AUDIO_LOCK
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sample_manager->sample_set_data(p_sample, p_buffer);
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}
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DVector<uint8_t> AudioServerSW::sample_get_data(RID p_sample) const {
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AUDIO_LOCK
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return sample_manager->sample_get_data(p_sample);
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}
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void AudioServerSW::sample_set_mix_rate(RID p_sample, int p_rate) {
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AUDIO_LOCK
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sample_manager->sample_set_mix_rate(p_sample, p_rate);
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}
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int AudioServerSW::sample_get_mix_rate(RID p_sample) const {
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AUDIO_LOCK
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return sample_manager->sample_get_mix_rate(p_sample);
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}
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void AudioServerSW::sample_set_loop_format(RID p_sample, SampleLoopFormat p_format) {
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AUDIO_LOCK
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sample_manager->sample_set_loop_format(p_sample, p_format);
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}
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AS::SampleLoopFormat AudioServerSW::sample_get_loop_format(RID p_sample) const {
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AUDIO_LOCK
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return sample_manager->sample_get_loop_format(p_sample);
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}
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void AudioServerSW::sample_set_loop_begin(RID p_sample, int p_pos) {
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AUDIO_LOCK
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sample_manager->sample_set_loop_begin(p_sample, p_pos);
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}
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int AudioServerSW::sample_get_loop_begin(RID p_sample) const {
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AUDIO_LOCK
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return sample_manager->sample_get_loop_begin(p_sample);
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}
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void AudioServerSW::sample_set_loop_end(RID p_sample, int p_pos) {
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AUDIO_LOCK
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sample_manager->sample_set_loop_end(p_sample, p_pos);
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}
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int AudioServerSW::sample_get_loop_end(RID p_sample) const {
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AUDIO_LOCK
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return sample_manager->sample_get_loop_end(p_sample);
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}
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/* VOICE API */
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RID AudioServerSW::voice_create() {
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Voice *v = memnew(Voice);
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v->channel = AudioMixer::INVALID_CHANNEL;
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AUDIO_LOCK
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return voice_owner.make_rid(v);
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}
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void AudioServerSW::voice_play(RID p_voice, RID p_sample) {
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Voice *v = voice_owner.get(p_voice);
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ERR_FAIL_COND(!v);
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v->active = true; // force actvive (will be disabled later i gues..)
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//stop old, start new
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_PLAY;
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cmd.voice = p_voice;
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cmd.play.sample = p_sample;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_volume(RID p_voice, float p_volume) {
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_SET_VOLUME;
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cmd.voice = p_voice;
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cmd.volume.volume = p_volume;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_pan(RID p_voice, float p_pan, float p_depth, float p_height) {
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_SET_PAN;
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cmd.voice = p_voice;
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cmd.pan.pan = p_pan;
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cmd.pan.depth = p_depth;
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cmd.pan.height = p_height;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_filter(RID p_voice, FilterType p_type, float p_cutoff, float p_resonance, float p_gain) {
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_SET_FILTER;
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cmd.voice = p_voice;
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cmd.filter.type = p_type;
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cmd.filter.cutoff = p_cutoff;
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cmd.filter.resonance = p_resonance;
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cmd.filter.gain = p_gain;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_chorus(RID p_voice, float p_chorus) {
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_SET_CHORUS;
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cmd.voice = p_voice;
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cmd.chorus.send = p_chorus;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_reverb(RID p_voice, ReverbRoomType p_room_type, float p_reverb) {
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_SET_REVERB;
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cmd.voice = p_voice;
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cmd.reverb.room = p_room_type;
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cmd.reverb.send = p_reverb;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_mix_rate(RID p_voice, int p_mix_rate) {
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VoiceRBSW::Command cmd;
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cmd.type = VoiceRBSW::Command::CMD_SET_MIX_RATE;
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cmd.voice = p_voice;
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cmd.mix_rate.mix_rate = p_mix_rate;
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voice_rb.push_command(cmd);
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}
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void AudioServerSW::voice_set_positional(RID p_voice, bool p_positional) {
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|
|
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);
|
|
_THREAD_SAFE_METHOD_
|
|
|
|
if (s->active == p_active)
|
|
return;
|
|
AUDIO_LOCK;
|
|
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) {
|
|
|
|
Thread::set_name("AudioServerSW");
|
|
|
|
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();
|
|
|
|
_output_delay = 0;
|
|
|
|
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;) { //stream might be removed durnig this callback
|
|
|
|
List<Stream *>::Element *N = E->next();
|
|
|
|
if (E->get()->audio_stream && p_thread == E->get()->audio_stream->can_update_mt())
|
|
E->get()->audio_stream->update();
|
|
|
|
E = N;
|
|
}
|
|
}
|
|
|
|
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_output_delay() const {
|
|
|
|
return _output_delay + AudioDriverSW::get_singleton()->get_latency();
|
|
}
|
|
|
|
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_interp", PropertyInfo(Variant::STRING, "audio/mixer_interp", 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];
|
|
}
|