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/*
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voice.h - voice chat implementation
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Copyright (C) 2022 Velaron
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Copyright (C) 2022 SNMetamorph
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#ifndef VOICE_H
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#define VOICE_H
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#include "protocol.h" // MAX_CLIENTS
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#include "sound.h"
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typedef struct OpusDecoder OpusDecoder;
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typedef struct OpusEncoder OpusEncoder;
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#define VOICE_LOOPBACK_INDEX (-2)
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#define VOICE_LOCALCLIENT_INDEX (-1)
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typedef struct voice_status_s
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{
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qboolean talking_ack;
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double talking_timeout;
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} voice_status_t;
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typedef struct voice_state_s
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{
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qboolean initialized;
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qboolean is_recording;
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double start_time;
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voice_status_t local;
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voice_status_t players_status[MAX_CLIENTS];
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// opus stuff
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OpusEncoder *encoder;
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OpusDecoder *decoder;
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// audio info
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uint channels;
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uint width;
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uint samplerate;
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uint frame_size;
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// buffers
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byte input_buffer[MAX_RAW_SAMPLES];
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byte output_buffer[MAX_RAW_SAMPLES];
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byte decompress_buffer[MAX_RAW_SAMPLES];
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fs_offset_t input_buffer_pos;
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// automatic gain control
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struct {
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int block_size;
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float current_gain;
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float next_gain;
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float gain_multiplier;
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} autogain;
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} voice_state_t;
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extern voice_state_t voice;
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void CL_AddVoiceToDatagram( void );
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void Voice_RegisterCvars( void );
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qboolean Voice_Init( const char *pszCodecName, int quality );
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void Voice_Idle( double frametime );
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qboolean Voice_IsRecording( void );
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void Voice_RecordStop( void );
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void Voice_RecordStart( void );
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void Voice_Disconnect( void );
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void Voice_AddIncomingData( int ent, const byte *data, uint size, uint frames );
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void Voice_StatusAck( voice_status_t *status, int playerIndex );
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#endif // VOICE_H
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