155 lines
4.9 KiB
C
155 lines
4.9 KiB
C
|
/******************************************************************************\
|
||
|
* Copyright (c) 2004-2006
|
||
|
*
|
||
|
* Author(s):
|
||
|
* Volker Fischer
|
||
|
*
|
||
|
******************************************************************************
|
||
|
*
|
||
|
* 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 2 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.
|
||
|
*
|
||
|
* You should have received a copy of the GNU General Public License along with
|
||
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
*
|
||
|
\******************************************************************************/
|
||
|
|
||
|
#if !defined(GLOBAL_H__3B123453_4344_BB2B_23E7A0D31912__INCLUDED_)
|
||
|
#define GLOBAL_H__3B123453_4344_BB2B_23E7A0D31912__INCLUDED_
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <math.h>
|
||
|
#include <string>
|
||
|
#include <qstring.h>
|
||
|
#include <qevent.h>
|
||
|
#ifdef HAVE_CONFIG_H
|
||
|
# include "config.h"
|
||
|
#endif
|
||
|
|
||
|
|
||
|
/* Definitions ****************************************************************/
|
||
|
/* define this macro to get debug output */
|
||
|
#define _DEBUG_
|
||
|
#undef _DEBUG_
|
||
|
|
||
|
/* version and application name */
|
||
|
#ifndef VERSION
|
||
|
# define VERSION "0.9.1"
|
||
|
#endif
|
||
|
#define APP_NAME "llcon"
|
||
|
|
||
|
|
||
|
/* defined port number for client and server */
|
||
|
#define LLCON_PORT_NUMBER 22122
|
||
|
|
||
|
/* sample rate */
|
||
|
#define SAMPLE_RATE 24000
|
||
|
|
||
|
/* sound card sample rate. Should be always 48 kHz to avoid sound card driver
|
||
|
internal sample rate conversion which might be buggy */
|
||
|
#define SND_CRD_SAMPLE_RATE 48000
|
||
|
|
||
|
/* minimum block duration - all other buffer durations must be a multiple
|
||
|
of this duration */
|
||
|
#define MIN_BLOCK_DURATION_MS 2 /* ms */
|
||
|
|
||
|
#define MIN_BLOCK_SIZE_SAMPLES ( MIN_BLOCK_DURATION_MS * SAMPLE_RATE / 1000 )
|
||
|
#define MIN_SND_CRD_BLOCK_SIZE_SAMPLES ( MIN_BLOCK_DURATION_MS * SND_CRD_SAMPLE_RATE / 1000 )
|
||
|
|
||
|
/* block length in milliseconds (it seems that with the standard windows time
|
||
|
a minimum block duration of 10 ms can be used) */
|
||
|
#ifdef _WIN32
|
||
|
# define BLOCK_DURATION_MS 6 /* ms */
|
||
|
#else
|
||
|
/* first tests showed that with 24000 kHz a block time shorter than 5 ms leads to
|
||
|
much higher DSL network latencies. A length of 6 ms seems to be optimal */
|
||
|
# define BLOCK_DURATION_MS 6 /* ms */
|
||
|
#endif
|
||
|
|
||
|
|
||
|
#define BLOCK_SIZE_SAMPLES (BLOCK_DURATION_MS * SAMPLE_RATE / 1000)
|
||
|
#define SND_CRD_BLOCK_SIZE_SAMPLES (BLOCK_DURATION_MS * SND_CRD_SAMPLE_RATE / 1000)
|
||
|
|
||
|
/* maximum network buffer size (which can be chosen by slider) */
|
||
|
#define MAX_NET_BUF_SIZE_NUM_BL 10 /* number of blocks */
|
||
|
|
||
|
/* default network buffer size */
|
||
|
#define DEF_NET_BUF_SIZE_NUM_BL 2 /* number of blocks */
|
||
|
|
||
|
// number of ticks of audio in/out buffer sliders
|
||
|
#ifdef _WIN32
|
||
|
# define AUD_SLIDER_LENGTH 15
|
||
|
#else
|
||
|
# define AUD_SLIDER_LENGTH 6
|
||
|
#endif
|
||
|
|
||
|
/* sample rate offset estimation algorithm */
|
||
|
/* time interval for sample rate offset estimation */
|
||
|
#define TIME_INT_SAM_OFFS_EST 60 /* s */
|
||
|
|
||
|
/* time interval of taps for sample rate offset estimation (time stamps) */
|
||
|
#define INTVL_TAPS_SAM_OFF_SET 1 /* s */
|
||
|
|
||
|
#define NUM_BL_TIME_STAMPS ( ( INTVL_TAPS_SAM_OFF_SET * 1000 ) / MIN_BLOCK_DURATION_MS )
|
||
|
#define VEC_LEN_SAM_OFFS_EST ( TIME_INT_SAM_OFFS_EST / INTVL_TAPS_SAM_OFF_SET )
|
||
|
|
||
|
/* length of the moving average buffer for response time measurement */
|
||
|
#define TIME_MOV_AV_RESPONSE 30 /* seconds */
|
||
|
#define LEN_MOV_AV_RESPONSE (TIME_MOV_AV_RESPONSE * 1000 / BLOCK_DURATION_MS)
|
||
|
|
||
|
|
||
|
#define _MAXSHORT 32767
|
||
|
#define _MAXBYTE 255 /* binary: 11111111 */
|
||
|
#define _MINSHORT (-32768)
|
||
|
|
||
|
|
||
|
/* Definitions for window message system ------------------------------------ */
|
||
|
typedef unsigned int _MESSAGE_IDENT;
|
||
|
#define MS_RESET_ALL 0 /* MS: Message */
|
||
|
#define MS_SOUND_IN 1
|
||
|
#define MS_SOUND_OUT 2
|
||
|
#define MS_JIT_BUF_PUT 3
|
||
|
#define MS_JIT_BUF_GET 4
|
||
|
|
||
|
#define MUL_COL_LED_RED 0
|
||
|
#define MUL_COL_LED_YELLOW 1
|
||
|
#define MUL_COL_LED_GREEN 2
|
||
|
|
||
|
|
||
|
/* Classes ********************************************************************/
|
||
|
class CGenErr
|
||
|
{
|
||
|
public:
|
||
|
CGenErr(QString strNE) : strError(strNE) {}
|
||
|
QString strError;
|
||
|
};
|
||
|
|
||
|
class CLlconEvent : public QCustomEvent
|
||
|
{
|
||
|
public:
|
||
|
CLlconEvent(int iNewMeTy, int iNewSt, int iNewChN = 0) :
|
||
|
QCustomEvent(QEvent::User + 11), iMessType(iNewMeTy), iStatus(iNewSt),
|
||
|
iChanNum(iNewChN) {}
|
||
|
|
||
|
int iMessType;
|
||
|
int iStatus;
|
||
|
int iChanNum;
|
||
|
};
|
||
|
|
||
|
|
||
|
/* Prototypes for global functions ********************************************/
|
||
|
/* Posting a window message */
|
||
|
void PostWinMessage(const _MESSAGE_IDENT MessID, const int iMessageParam = 0,
|
||
|
const int iChanNum = 0);
|
||
|
|
||
|
|
||
|
#endif /* !defined(GLOBAL_H__3B123453_4344_BB2B_23E7A0D31912__INCLUDED_) */
|