sm-ext-Voice/extension.h

223 lines
7.0 KiB
C++

/**
* vim: set ts=4 :
* =============================================================================
* SourceMod Sample Extension
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_
#define _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_
#include <poll.h>
#include "smsdk_ext.h"
#include "celt_header.h"
#include "ringbuffer.h"
/**
* @file extension.h
* @brief Sample extension code header.
*/
#define MAX_CLIENTS 16
#ifdef _WIN32
typedef __int64 int64;
#else
typedef long long int64;
#endif
class CDetour;
class IClient;
typedef void (*t_SV_BroadcastVoiceData)(IClient *, int, unsigned char *, int64);
/**
* @brief Sample implementation of the SDK Extension.
* Note: Uncomment one of the pre-defined virtual functions in order to use it.
*/
class CVoice :
public SDKExtension,
public IConCommandBaseAccessor
{
public:
/**
* @brief This is called after the initial loading sequence has been processed.
*
* @param error Error message buffer.
* @param maxlength Size of error message buffer.
* @param late Whether or not the module was loaded after map load.
* @return True to succeed loading, false to fail.
*/
virtual bool SDK_OnLoad(char *error, size_t maxlength, bool late);
/**
* @brief This is called right before the extension is unloaded.
*/
virtual void SDK_OnUnload();
/**
* @brief This is called once all known extensions have been loaded.
* Note: It is is a good idea to add natives here, if any are provided.
*/
virtual void SDK_OnAllLoaded();
/**
* @brief Called when the pause state is changed.
*/
//virtual void SDK_OnPauseChange(bool paused);
/**
* @brief this is called when Core wants to know if your extension is working.
*
* @param error Error message buffer.
* @param maxlength Size of error message buffer.
* @return True if working, false otherwise.
*/
//virtual bool QueryRunning(char *error, size_t maxlength);
public:
#if defined SMEXT_CONF_METAMOD
/**
* @brief Called when Metamod is attached, before the extension version is called.
*
* @param error Error buffer.
* @param maxlength Maximum size of error buffer.
* @param late Whether or not Metamod considers this a late load.
* @return True to succeed, false to fail.
*/
virtual bool SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlength, bool late);
/**
* @brief Called when Metamod is detaching, after the extension version is called.
* NOTE: By default this is blocked unless sent from SourceMod.
*
* @param error Error buffer.
* @param maxlength Maximum size of error buffer.
* @return True to succeed, false to fail.
*/
//virtual bool SDK_OnMetamodUnload(char *error, size_t maxlength);
/**
* @brief Called when Metamod's pause state is changing.
* NOTE: By default this is blocked unless sent from SourceMod.
*
* @param paused Pause state being set.
* @param error Error buffer.
* @param maxlength Maximum size of error buffer.
* @return True to succeed, false to fail.
*/
//virtual bool SDK_OnMetamodPauseChange(bool paused, char *error, size_t maxlength);
#endif
public: // IConCommandBaseAccessor
virtual bool RegisterConCommandBase(ConCommandBase *pVar);
public:
CVoice();
void OnGameFrame(bool simulating);
void ListenSocket();
void PushPlayerVoiceData(int playerSlot, int nBytes, char *data);
void BroadcastVoiceDataTorchlightCelt(IClient *pClient, int16_t *pPCM, int nSamples);
void TranscodeNoSteamToSteam(int playerSlot, int nBytes, char *data);
void HandlePlayerVoiceData(int playerSlot);
private:
int m_ListenSocket;
struct CClient
{
int m_Socket;
size_t m_BufferWriteIndex;
size_t m_LastLength;
double m_LastValidData;
bool m_New;
bool m_UnEven;
unsigned char m_Remainder;
} m_aClients[MAX_CLIENTS];
struct pollfd m_aPollFds[1 + MAX_CLIENTS];
int m_PollFds;
CRingBuffer m_Buffer;
OpusEncoder *m_OpusEncoder;
// Torchlight transcode state (48000 Hz stereo -> 22050 Hz mono -> CELT)
OpusDecoder *m_TorchlightOpusDecoder;
int16_t m_torchMonoAccum[4096];
int m_torchMonoAccumLen;
int m_torchResampleAccum;
// Player transcode state (24000 Hz mono -> 22050 Hz mono -> CELT)
OpusDecoder *m_PlayerOpusDecoder[SM_MAXPLAYERS + 1];
double m_AvailableTime;
double m_playerAvailableTime[SM_MAXPLAYERS + 1];
// NoSteam->Steam transcode state per player
CRingBuffer m_nosteamOpusPCMBuffer[SM_MAXPLAYERS + 1];
int m_nosteamResampleAccum[SM_MAXPLAYERS + 1];
OpusEncoder *m_nosteamOpusEncoder[SM_MAXPLAYERS + 1];
// CELT encoder (shared by both paths, same output format)
struct CEncoderSettings
{
int32_t SampleRate_Hz;
int32_t TargetBitRate_Kbps;
int32_t FrameSize;
int32_t PacketSize;
int32_t Complexity;
double FrameTime;
} m_CeltEncoderSettings;
CELTMode *m_pCeltMode;
CELTEncoder *m_pCeltCodec;
CELTMode *m_pCeltModePlayer;
CELTEncoder *m_pCeltCodecPlayer[SM_MAXPLAYERS + 1];
CELTDecoder *m_pCeltDecoder[SM_MAXPLAYERS + 1];
CRingBuffer m_playerVoiceBuffer[SM_MAXPLAYERS + 1];
t_SV_BroadcastVoiceData m_SV_BroadcastVoiceData;
CDetour *m_VoiceDetour;
CDetour *m_ProcessVoiceDataDetour;
uint16_t m_nosteamSeqNum[SM_MAXPLAYERS + 1];
double m_nosteamAvailableTime[SM_MAXPLAYERS + 1];
int m_TorchlightSeqNum;
void HandleNetwork();
void OnDataReceived(CClient *pClient, int16_t *pData, size_t Samples);
void HandleVoiceDataTorchlight();
void HandleNoSteamVoiceData();
};
#endif // _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_