Xash3D FWGS engine.
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/*
voice.h - voice chat implementation
Copyright (C) 2022 Velaron
Copyright (C) 2022 SNMetamorph
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#ifndef VOICE_H
#define VOICE_H
#include "common.h"
#include "protocol.h" // MAX_CLIENTS
#include "sound.h"
typedef struct OpusCustomEncoder OpusCustomEncoder;
typedef struct OpusCustomDecoder OpusCustomDecoder;
typedef struct OpusCustomMode OpusCustomMode;
#define VOICE_LOOPBACK_INDEX (-2)
#define VOICE_LOCALCLIENT_INDEX (-1)
#define VOICE_PCM_CHANNELS 1 // always mono
// never change these parameters when using opuscustom
#define VOICE_OPUS_CUSTOM_SAMPLERATE SOUND_44k
// must follow opus custom requirements
// also be divisible with MAX_RAW_SAMPLES
#define VOICE_OPUS_CUSTOM_FRAME_SIZE 1024
#define VOICE_OPUS_CUSTOM_CODEC "opus_custom_44k_512"
// a1ba: do not change, we don't have any re-encoding support now
#define VOICE_DEFAULT_CODEC VOICE_OPUS_CUSTOM_CODEC
typedef struct voice_status_s
{
qboolean talking_ack;
double talking_timeout;
} voice_status_t;
typedef struct voice_state_s
{
string codec;
int quality;
qboolean initialized;
qboolean is_recording;
qboolean device_opened;
double start_time;
voice_status_t local;
voice_status_t players_status[MAX_CLIENTS];
// opus stuff
OpusCustomMode *custom_mode;
OpusCustomEncoder *encoder;
OpusCustomDecoder *decoder;
// audio info
uint width;
uint samplerate;
uint frame_size; // in samples
// buffers
byte input_buffer[MAX_RAW_SAMPLES];
byte output_buffer[MAX_RAW_SAMPLES];
byte decompress_buffer[MAX_RAW_SAMPLES];
fs_offset_t input_buffer_pos; // in bytes
// input from file
wavdata_t *input_file;
fs_offset_t input_file_pos; // in bytes
// automatic gain control
struct {
int block_size;
float current_gain;
float next_gain;
float gain_multiplier;
} autogain;
} voice_state_t;
extern voice_state_t voice;
void CL_AddVoiceToDatagram( void );
void Voice_RegisterCvars( void );
qboolean Voice_Init( const char *pszCodecName, int quality, qboolean preinit );
void Voice_Idle( double frametime );
qboolean Voice_IsRecording( void );
void Voice_RecordStop( void );
void Voice_RecordStart( void );
void Voice_Disconnect( void );
void Voice_AddIncomingData( int ent, const byte *data, uint size, uint frames );
void Voice_StatusAck( voice_status_t *status, int playerIndex );
#endif // VOICE_H