147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
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/*************************************************************************/
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/* voice_rb_sw.h */
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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) 2007-2014 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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#ifndef VOICE_RB_SW_H
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#define VOICE_RB_SW_H
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#include "servers/audio_server.h"
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#include "os/os.h"
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class VoiceRBSW {
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public:
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enum {
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VOICE_RB_SIZE=1024
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};
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struct Command {
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enum Type {
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CMD_NONE,
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CMD_PLAY,
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CMD_STOP,
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CMD_SET_VOLUME,
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CMD_SET_PAN,
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CMD_SET_FILTER,
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CMD_SET_CHORUS,
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CMD_SET_REVERB,
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CMD_SET_MIX_RATE,
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CMD_SET_POSITIONAL,
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CMD_CHANGE_ALL_FX_VOLUMES
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};
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Type type;
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RID voice;
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struct {
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RID sample;
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} play;
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union {
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struct {
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float volume;
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} volume;
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struct {
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float pan,depth,height;
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} pan;
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struct {
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AS::FilterType type;
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float cutoff;
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float resonance;
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float gain;
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} filter;
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struct {
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float send;
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} chorus;
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struct {
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float send;
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AS::ReverbRoomType room;
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} reverb;
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struct {
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int mix_rate;
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} mix_rate;
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struct {
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bool positional;
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} positional;
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};
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Command() { type=CMD_NONE; }
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};
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private:
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Command voice_cmd_rb[VOICE_RB_SIZE];
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volatile int read_pos;
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volatile int write_pos;
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public:
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_FORCE_INLINE_ bool commands_left() const { return read_pos!=write_pos; }
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_FORCE_INLINE_ Command pop_command() {
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ERR_FAIL_COND_V( read_pos==write_pos, Command() );
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Command cmd=voice_cmd_rb[read_pos];
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read_pos=(read_pos+1)%VOICE_RB_SIZE;
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return cmd;
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}
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_FORCE_INLINE_ void push_command(const Command& p_command) {
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bool full = ((write_pos+1)%VOICE_RB_SIZE)==read_pos;
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if (full) {
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#ifdef DEBUG_ENABLED
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if (OS::get_singleton()->is_stdout_verbose()) {
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ERR_EXPLAIN("Audio Ring Buffer Full (too many commands");
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ERR_FAIL_COND( ((write_pos+1)%VOICE_RB_SIZE)==read_pos);
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}
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#endif
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return;
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}
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voice_cmd_rb[write_pos]=p_command;
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write_pos=(write_pos+1)%VOICE_RB_SIZE;
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}
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VoiceRBSW() { read_pos=write_pos=0; }
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};
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#endif // VOICE_RB_SW_H
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