1 files changed, 146 insertions, 0 deletions
diff --git a/servers/audio/voice_rb_sw.h b/servers/audio/voice_rb_sw.h
new file mode 100644
index 0000000000..7fcdebaa1a
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+++ b/servers/audio/voice_rb_sw.h
@@ -0,0 +1,146 @@
+/*************************************************************************/
+/*  voice_rb_sw.h                                                        */
+/*************************************************************************/
+/*                       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.                */
+/*************************************************************************/
+#ifndef VOICE_RB_SW_H
+#define VOICE_RB_SW_H
+
+#include "servers/audio_server.h"
+#include "os/os.h"
+class VoiceRBSW {
+public:
+
+	enum {
+		VOICE_RB_SIZE=1024
+	};
+
+	struct Command {
+
+		enum Type {
+			CMD_NONE,
+			CMD_PLAY,
+			CMD_STOP,
+			CMD_SET_VOLUME,
+			CMD_SET_PAN,
+			CMD_SET_FILTER,
+			CMD_SET_CHORUS,
+			CMD_SET_REVERB,
+			CMD_SET_MIX_RATE,
+			CMD_SET_POSITIONAL,
+			CMD_CHANGE_ALL_FX_VOLUMES
+		};
+
+		Type type;
+		RID voice;
+
+		struct {
+
+			RID sample;
+
+		} play;
+
+		union {
+
+			struct {
+
+				float volume;
+			} volume;
+
+			struct {
+
+				float pan,depth,height;
+			} pan;
+
+			struct {
+
+				AS::FilterType type;
+				float cutoff;
+				float resonance;
+				float gain;
+			} filter;
+
+			struct {
+				float send;
+			} chorus;
+			struct {
+				float send;
+				AS::ReverbRoomType room;
+			} reverb;
+
+			struct {
+
+				int mix_rate;
+			} mix_rate;
+
+			struct {
+
+				bool positional;
+			} positional;
+
+		};
+
+		Command() { type=CMD_NONE; }
+
+	};
+private:
+
+	Command voice_cmd_rb[VOICE_RB_SIZE];
+	volatile int read_pos;
+	volatile int write_pos;
+
+public:
+
+	_FORCE_INLINE_ bool commands_left() const { return read_pos!=write_pos; }
+	_FORCE_INLINE_ Command pop_command() {
+		ERR_FAIL_COND_V( read_pos==write_pos, Command() );
+		Command cmd=voice_cmd_rb[read_pos];
+		read_pos=(read_pos+1)%VOICE_RB_SIZE;
+		return cmd;
+	}
+	_FORCE_INLINE_ void push_command(const Command& p_command) {
+
+		bool full = ((write_pos+1)%VOICE_RB_SIZE)==read_pos;
+		if (full) {
+#ifdef DEBUG_ENABLED
+			if (OS::get_singleton()->is_stdout_verbose()) {
+				ERR_EXPLAIN("Audio Ring Buffer Full (too many commands");
+				ERR_FAIL_COND( ((write_pos+1)%VOICE_RB_SIZE)==read_pos);
+			}
+#endif
+			return;
+		}
+
+		voice_cmd_rb[write_pos]=p_command;
+		write_pos=(write_pos+1)%VOICE_RB_SIZE;
+
+	}
+
+	VoiceRBSW() { read_pos=write_pos=0; }
+
+};
+
+#endif // VOICE_RB_SW_H