jamulus/src/global.h

162 lines
5 KiB
C++
Executable file

/******************************************************************************\
* 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 "0.9.5cvs"
#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 )
/* 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 NET_BLOCK_SIZE_FACTOR 3 // 3 * 2 ms = 6 ms
// maximum value of factor for network block size
#define NET_BLOCK_SIZE_FACTOR_MAX 10
/* 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 5 /* number of blocks */
// number of ticks of audio in/out buffer sliders
#ifdef _WIN32
# define AUD_SLIDER_LENGTH 30
#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 / MIN_BLOCK_DURATION_MS)
#define _MAXSHORT 32767
#define _MAXBYTE 255 /* binary: 11111111 */
#define _MINSHORT (-32768)
#if HAVE_STDINT_H
# include <stdint.h>
#elif HAVE_INTTYPES_H
# include <inttypes.h>
#elif defined ( _WIN32 )
typedef unsigned __int32 uint32_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int8 uint8_t;
#else
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef unsigned char uint8_t;
#endif
/* 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 MS_PACKET_RECEIVED 5
#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_) */