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sansen
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/*
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* TeamSpeak SDK client minimal sample with custom
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* capture and record
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*
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* Copyright (c) TeamSpeak-Systems
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*/
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/* This example connects to a server and plays a wave file, while
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recording incomming sound to output.wav */
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#ifdef _WIN32
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#define _CRT_SECURE_NO_WARNINGS
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#pragma warning(disable : 4996)
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#include <Windows.h>
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#else
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#endif
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#include <stdio.h>
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#include <teamspeak/public_definitions.h>
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#include <teamspeak/public_errors.h>
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#include <teamspeak/clientlib.h>
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#ifdef _WIN32
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#define SLEEP(x) Sleep(x)
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#else
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#define SLEEP(x) usleep(x*1000)
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#endif
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#include "wave.h"
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/*The client lib works at 48Khz internally.
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It is therefore advisable to use the same for your project */
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#define PLAYBACK_FREQUENCY 48000
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#define PLAYBACK_CHANNELS 2
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#define AUDIO_PROCESS_SECONDS 500
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/*
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* Callback for connection status change.
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* Connection status switches through the states STATUS_DISCONNECTED, STATUS_CONNECTING, STATUS_CONNECTED and STATUS_CONNECTION_ESTABLISHED.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* newStatus - New connection status, see the enum ConnectStatus in clientlib_publicdefinitions.h
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* errorNumber - Error code. Should be zero when connecting or actively disconnection.
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* Contains error state when losing connection.
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*/
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void onConnectStatusChangeEvent(uint64 serverConnectionHandlerID, int newStatus, unsigned int errorNumber) {
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printf("Connect status changed: %llu %d %u\n", (unsigned long long)serverConnectionHandlerID, newStatus, errorNumber);
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/* Failed to connect ? */
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if(newStatus == STATUS_DISCONNECTED && errorNumber == ERROR_failed_connection_initialisation) {
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printf("Looks like there is no server running!\n");
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}
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}
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/*
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* Callback for current channels being announced to the client after connecting to a server.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* channelID - ID of the announced channel
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* channelParentID - ID of the parent channel
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*/
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void onNewChannelEvent(uint64 serverConnectionHandlerID, uint64 channelID, uint64 channelParentID) {
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/* Query channel name from channel ID */
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char* name;
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unsigned int error;
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printf("onNewChannelEvent: %llu %llu %llu\n", (unsigned long long)serverConnectionHandlerID, (unsigned long long)channelID, (unsigned long long)channelParentID);
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if((error = ts3client_getChannelVariableAsString(serverConnectionHandlerID, channelID, CHANNEL_NAME, &name)) == ERROR_ok) {
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printf("New channel: %llu %s \n", (unsigned long long)channelID, name);
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ts3client_freeMemory(name); /* Release dynamically allocated memory only if function succeeded */
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} else {
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char* errormsg;
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if(ts3client_getErrorMessage(error, &errormsg) == ERROR_ok) {
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printf("Error getting channel name in onNewChannelEvent: %s\n", errormsg);
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ts3client_freeMemory(errormsg);
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}
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}
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}
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/*
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* Callback for just created channels.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* channelID - ID of the announced channel
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* channelParentID - ID of the parent channel
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* invokerID - ID of the client who created the channel
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* invokerName - Name of the client who created the channel
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*/
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void onNewChannelCreatedEvent(uint64 serverConnectionHandlerID, uint64 channelID, uint64 channelParentID, anyID invokerID, const char* invokerName, const char* invokerUniqueIdentifier) {
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char* name;
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/* Query channel name from channel ID */
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if(ts3client_getChannelVariableAsString(serverConnectionHandlerID, channelID, CHANNEL_NAME, &name) != ERROR_ok)
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return;
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printf("New channel created: %s\n", name);
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ts3client_freeMemory(name); /* Release dynamically allocated memory only if function succeeded */
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}
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/*
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* Callback when a channel was deleted.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* channelID - ID of the deleted channel
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* invokerID - ID of the client who deleted the channel
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* invokerName - Name of the client who deleted the channel
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*/
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void onDelChannelEvent(uint64 serverConnectionHandlerID, uint64 channelID, anyID invokerID, const char* invokerName, const char* invokerUniqueIdentifier) {
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printf("Channel ID %llu deleted by %s (%u)\n", (unsigned long long)channelID, invokerName, invokerID);
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}
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/*
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* Called when a client joins, leaves or moves to another channel.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* clientID - ID of the moved client
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* oldChannelID - ID of the old channel left by the client
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* newChannelID - ID of the new channel joined by the client
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* visibility - Visibility of the moved client. See the enum Visibility in clientlib_publicdefinitions.h
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* Values: ENTER_VISIBILITY, RETAIN_VISIBILITY, LEAVE_VISIBILITY
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*/
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void onClientMoveEvent(uint64 serverConnectionHandlerID, anyID clientID, uint64 oldChannelID, uint64 newChannelID, int visibility, const char* moveMessage) {
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printf("ClientID %u moves from channel %llu to %llu with message %s\n", clientID, (unsigned long long)oldChannelID, (unsigned long long)newChannelID, moveMessage);
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}
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/*
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* Callback for other clients in current and subscribed channels being announced to the client.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* clientID - ID of the announced client
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* oldChannelID - ID of the subscribed channel where the client left visibility
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* newChannelID - ID of the subscribed channel where the client entered visibility
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* visibility - Visibility of the announced client. See the enum Visibility in clientlib_publicdefinitions.h
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* Values: ENTER_VISIBILITY, RETAIN_VISIBILITY, LEAVE_VISIBILITY
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*/
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void onClientMoveSubscriptionEvent(uint64 serverConnectionHandlerID, anyID clientID, uint64 oldChannelID, uint64 newChannelID, int visibility) {
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char* name;
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/* Query client nickname from ID */
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if(ts3client_getClientVariableAsString(serverConnectionHandlerID, clientID, CLIENT_NICKNAME, &name) != ERROR_ok)
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return;
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printf("New client: %s\n", name);
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ts3client_freeMemory(name); /* Release dynamically allocated memory only if function succeeded */
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}
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/*
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* Called when a client drops his connection.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* clientID - ID of the moved client
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* oldChannelID - ID of the channel the leaving client was previously member of
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* newChannelID - 0, as client is leaving
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* visibility - Always LEAVE_VISIBILITY
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* timeoutMessage - Optional message giving the reason for the timeout
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*/
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void onClientMoveTimeoutEvent(uint64 serverConnectionHandlerID, anyID clientID, uint64 oldChannelID, uint64 newChannelID, int visibility, const char* timeoutMessage) {
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printf("ClientID %u timeouts with message %s\n",clientID, timeoutMessage);
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}
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/*
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* This event is called when a client starts or stops talking.
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*
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* Parameters:
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* serverConnectionHandlerID - Server connection handler ID
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* status - 1 if client starts talking, 0 if client stops talking
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* isReceivedWhisper - 1 if this event was caused by whispering, 0 if caused by normal talking
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* clientID - ID of the client who announced the talk status change
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*/
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void onTalkStatusChangeEvent(uint64 serverConnectionHandlerID, int status, int isReceivedWhisper, anyID clientID) {
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char* name;
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/* Query client nickname from ID */
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if(ts3client_getClientVariableAsString(serverConnectionHandlerID, clientID, CLIENT_NICKNAME, &name) != ERROR_ok)
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return;
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if(status == STATUS_TALKING) {
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printf("Client \"%s\" starts talking.\n", name);
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} else {
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printf("Client \"%s\" stops talking.\n", name);
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}
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ts3client_freeMemory(name); /* Release dynamically allocated memory only if function succeeded */
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}
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void onServerErrorEvent(uint64 serverConnectionHandlerID, const char* errorMessage, unsigned int error, const char* returnCode, const char* extraMessage) {
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printf("Error for server %llu: %s %s\n", (unsigned long long)serverConnectionHandlerID, errorMessage, extraMessage);
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}
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char* programPath(char* programInvocation){
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char* path;
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char* end;
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int length;
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char pathsep;
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if (programInvocation == NULL) return strdup("");
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#ifdef _WIN32
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pathsep = '\\';
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#else
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pathsep = '/';
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#endif
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end = strrchr(programInvocation, pathsep);
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if (!end) return strdup("");
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length = (end - programInvocation) + 2;
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path = (char*)malloc(length);
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strncpy(path, programInvocation, length - 1);
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path[length - 1] = 0;
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return path;
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}
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int main(int argc, char** argv) {
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uint64 scHandlerID;
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unsigned int error;
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char *version;
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char *identity;
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int captureFrequency;
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int captureChannels;
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short* captureBuffer;
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int captureBufferSamples;
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int audioPeriodCounter;
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int captureAudioOffset;
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int capturePeriodSize;
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short* playbackBuffer;
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int playbackAudioOffset;
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int playbackPeriodSize;
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char* path;
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/* Create struct for callback function pointers */
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struct ClientUIFunctions funcs;
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/* Initialize all callbacks with NULL */
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memset(&funcs, 0, sizeof(struct ClientUIFunctions));
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/* Now assign the used callback function pointers */
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funcs.onConnectStatusChangeEvent = onConnectStatusChangeEvent;
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funcs.onNewChannelEvent = onNewChannelEvent;
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funcs.onNewChannelCreatedEvent = onNewChannelCreatedEvent;
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funcs.onDelChannelEvent = onDelChannelEvent;
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funcs.onClientMoveEvent = onClientMoveEvent;
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funcs.onClientMoveSubscriptionEvent = onClientMoveSubscriptionEvent;
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funcs.onClientMoveTimeoutEvent = onClientMoveTimeoutEvent;
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funcs.onTalkStatusChangeEvent = onTalkStatusChangeEvent;
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funcs.onServerErrorEvent = onServerErrorEvent;
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/* Read in the wave we are going to stream to the server */
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if (!readWave("welcome_to_teamspeak.wav", &captureFrequency, &captureChannels, &captureBuffer, &captureBufferSamples))
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return 1;
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/* allocate AUDIO_PROCESS_SECONDS seconds worth of PLAYBACK_FREQUENCY 16bit PLAYBACK_CHANNELS channels */
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playbackBuffer = (short*) malloc(AUDIO_PROCESS_SECONDS * PLAYBACK_FREQUENCY * sizeof(short) * PLAYBACK_CHANNELS);
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if (!playbackBuffer){
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printf("error: could not allocate memory for output wave\n");
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return 1;
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}
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/* Initialize client lib with callbacks */
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path = programPath(argv[0]);
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if((error = ts3client_initClientLib(&funcs, NULL, LogType_FILE | LogType_CONSOLE, NULL, path)) != ERROR_ok) {
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char* errormsg;
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if(ts3client_getErrorMessage(error, &errormsg) == ERROR_ok) {
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printf("Error initialzing serverlib: %s\n", errormsg);
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ts3client_freeMemory(errormsg);
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}
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return 1;
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}
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/* register a new custom sound device, that captures at read wave freq+channels and plays PLAYBACK_CHANNELS channels at PLAYBACK_FREQUENCY */
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if ((error = ts3client_registerCustomDevice("customWaveDeviceId", "Nice displayable wave device name", captureFrequency, captureChannels, PLAYBACK_FREQUENCY, PLAYBACK_CHANNELS)) != ERROR_ok) {
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char* errormsg;
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if(ts3client_getErrorMessage(error, &errormsg) == ERROR_ok) {
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printf("Error registering custom sound device: %s\n", errormsg);
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ts3client_freeMemory(errormsg);
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}
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}
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/* Spawn a new server connection handler using the default port and store the server ID */
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if((error = ts3client_spawnNewServerConnectionHandler(0, &scHandlerID)) != ERROR_ok) {
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printf("Error spawning server connection handler: %d\n", error);
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return 1;
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}
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/* Open capture device we created earlier */
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if((error = ts3client_openCaptureDevice(scHandlerID, "custom", "customWaveDeviceId")) != ERROR_ok) {
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printf("Error opening capture device: %d\n", error);
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}
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/* Open playback device we created earlier */
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if((error = ts3client_openPlaybackDevice(scHandlerID, "custom", "customWaveDeviceId")) != ERROR_ok) {
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printf("Error opening playback device: %d\n", error);
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}
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/* Create a new client identity */
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/* In your real application you should do this only once, store the assigned identity locally and then reuse it. */
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if((error = ts3client_createIdentity(&identity)) != ERROR_ok) {
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printf("Error creating identity: %d\n", error);
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return 1;
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}
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/* Connect to server on localhost:9987 with nickname "client", no default channel, no default channel password and server password "secret" */
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if((error = ts3client_startConnection(scHandlerID, identity, "localhost", 9987, "client", NULL, "", "secret")) != ERROR_ok) {
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printf("Error connecting to server: %d\n", error);
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return 1;
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}
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ts3client_freeMemory(identity); /* Release dynamically allocated memory */
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identity = NULL;
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printf("Client lib initialized and running\n");
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/* Query and print client lib version */
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if((error = ts3client_getClientLibVersion(&version)) != ERROR_ok) {
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printf("Failed to get clientlib version: %d\n", error);
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return 1;
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}
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printf("Client lib version: %s\n", version);
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ts3client_freeMemory(version); /* Release dynamically allocated memory */
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version = NULL;
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SLEEP(500);
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printf("\n--- processing audio for %d seconds ---\n", AUDIO_PROCESS_SECONDS);
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/*the clientlib works with 20ms packets internaly.
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So the best is to feed is 20ms worth of sound at a time */
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capturePeriodSize = (captureFrequency*20)/1000;
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playbackPeriodSize = (PLAYBACK_FREQUENCY*20)/1000;
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captureAudioOffset = 0;
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playbackAudioOffset = 0;
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for(audioPeriodCounter = 0; audioPeriodCounter < 50*AUDIO_PROCESS_SECONDS; ++audioPeriodCounter){ /*50*20=1000*/
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/* wait 20 ms */
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SLEEP(20);
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/* make sure we dont stream past the end of our wave sample */
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if (captureAudioOffset + capturePeriodSize > captureBufferSamples)
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captureAudioOffset = 0;
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/* stream capture data to the client lib */
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if((error = ts3client_processCustomCaptureData("customWaveDeviceId", captureBuffer + captureAudioOffset*captureChannels, capturePeriodSize)) != ERROR_ok){
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printf("Failed to get stream capture data: %d\n", error);
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return 1;
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}
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/* get playback data from the client lib */
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if((error = ts3client_acquireCustomPlaybackData("customWaveDeviceId", playbackBuffer + playbackAudioOffset*PLAYBACK_CHANNELS, playbackPeriodSize))!= ERROR_ok){
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if(error != ERROR_sound_no_data) { //this error signals us to play silence
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printf("Failed to get acquire playback data: %d\n", error);
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return 1;
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}
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memset(playbackBuffer + playbackAudioOffset * PLAYBACK_CHANNELS, 0, playbackPeriodSize * PLAYBACK_CHANNELS * sizeof(short));
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}
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/*update buffer offsets */
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captureAudioOffset += capturePeriodSize;
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playbackAudioOffset += playbackPeriodSize;
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}
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/* Disconnect from server. ERROR_not_connected just means the peer is already
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gone (e.g. the server was shut down) - nothing to do, so move on. */
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if((error = ts3client_stopConnection(scHandlerID, "leaving")) != ERROR_ok && error != ERROR_not_connected)
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printf("Error stopping connection: %d\n", error);
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/* Destroy server connection handler */
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if((error = ts3client_destroyServerConnectionHandler(scHandlerID)) != ERROR_ok)
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printf("Error destroying ServerConnectionHandler: %d\n", error);
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/* unregister the custom sound device */
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if ((error = ts3client_unregisterCustomDevice("customWaveDeviceId")) != ERROR_ok)
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printf("Error unregisterring custom sound device: %d\n", error);
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/* Shutdown client lib */
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if((error = ts3client_destroyClientLib()) != ERROR_ok)
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printf("Failed to destroy clientlib: %d\n", error);
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/* save the playback data */
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writeWave("output.wav", PLAYBACK_FREQUENCY, PLAYBACK_CHANNELS, playbackBuffer, PLAYBACK_FREQUENCY*AUDIO_PROCESS_SECONDS);
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/* release allocated memory */
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free(captureBuffer);
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free(playbackBuffer);
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return 0;
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}
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