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/*
* Copyright (C) 1997-2004 Kare Sjolander <kare@speech.kth.se>
*
* This file is part of the Snack Sound Toolkit.
* The latest version can be found at http://www.speech.kth.se/snack/
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "tcl.h"
#include <string.h>
#include "snack.h"
#if defined(__WIN32__)
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# undef WIN32_LEAN_AND_MEAN
#ifdef __cplusplus
extern "C" {
#endif
EXTERN int Sound_Init(Tcl_Interp *interp);
EXTERN int Sound_SafeInit(Tcl_Interp *interp);
#ifdef __cplusplus
}
#endif
HINSTANCE snackHInst = NULL;
BOOL APIENTRY
DllMain(HINSTANCE hInst, DWORD reason, LPVOID reserved)
{
snackHInst = hInst;
return TRUE;
}
#endif
#ifdef MAC
int main (void)
{
return 0;
}
#endif
Tcl_Channel snackDebugChannel = NULL;
static Tcl_Interp *debugInterp = NULL;
int debugLevel = 0;
char *snackDumpFile = NULL;
int
Snack_DebugCmd(ClientData cdata, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[])
{
int len;
char *str;
CONST84 char *patchLevelStr;
if (objc > 1) {
if (Tcl_GetIntFromObj(interp, objv[1], &debugLevel) != TCL_OK)
return TCL_ERROR;
}
if (objc >= 3) {
if (Tcl_IsSafe(interp)) {
Tcl_AppendResult(interp, "can not open log file in a safe interpreter",
(char *) NULL);
return TCL_ERROR;
}
str = Tcl_GetStringFromObj(objv[2], &len);
if (len > 0) {
snackDebugChannel = Tcl_OpenFileChannel(interp, str, "w", 420);
if (snackDebugChannel == 0) {
return TCL_ERROR;
}
}
}
if (objc == 4) {
if (Tcl_IsSafe(interp)) {
Tcl_AppendResult(interp, "can not open dump file in a safe interpreter",
(char *) NULL);
return TCL_ERROR;
}
str = Tcl_GetStringFromObj(objv[3], &len);
snackDumpFile = (char *) ckalloc(len + 1);
strcpy(snackDumpFile, str);
}
if (debugLevel > 0) {
patchLevelStr = Tcl_GetVar(interp, "sound::patchLevel", TCL_GLOBAL_ONLY);
Tcl_Write(snackDebugChannel, "Sound patch level: ", 19);
Tcl_Write(snackDebugChannel, patchLevelStr, strlen(patchLevelStr));
Tcl_Write(snackDebugChannel, "\n", 1);
Tcl_Flush(snackDebugChannel);
}
return TCL_OK;
}
#ifdef SNACK_CSLU_TOOLKIT
extern int fromCSLUshWaveCmd(Sound *s, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]);
extern int toCSLUshWaveCmd(Sound *s, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]);
#endif
int useOldObjAPI = 0;
static int initialized = 0;
int littleEndian = 0;
#ifdef __cplusplus
extern "C" SnackStubs *snackStubs;
#else
extern SnackStubs *snackStubs;
#endif
extern Tcl_HashTable *filterHashTable;
extern Tcl_HashTable *hsetHashTable;
extern Tcl_HashTable *arHashTable;
#if defined(Tcl_InitHashTable) && defined(USE_TCL_STUBS)
#undef Tcl_InitHashTable
#define Tcl_InitHashTable (tclStubsPtr->tcl_InitHashTable)
#endif
extern char defaultOutDevice[];
int defaultSampleRate = 16000;
int
Sound_Init(Tcl_Interp *interp)
{
CONST84 char *version;
Tcl_HashTable *soundHashTable;
union {
char c[sizeof(short)];
short s;
} order;
char rates[100];
#ifdef USE_TCL_STUBS
if (Tcl_InitStubs(interp, "8", 0) == NULL) {
return TCL_ERROR;
}
#endif
version = Tcl_GetVar(interp, "tcl_version",
(TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG));
if (strcmp(version, "8.0") == 0) {
useOldObjAPI = 1;
}
#ifdef TCL_81_API
if (Tcl_PkgProvideEx(interp, "sound", SNACK_VERSION,
(ClientData) &snackStubs) != TCL_OK) {
return TCL_ERROR;
}
#else
if (Tcl_PkgProvide(interp, "sound", SNACK_VERSION) != TCL_OK) {
return TCL_ERROR;
}
#endif
soundHashTable = (Tcl_HashTable *) ckalloc(sizeof(Tcl_HashTable));
filterHashTable = (Tcl_HashTable *) ckalloc(sizeof(Tcl_HashTable));
hsetHashTable = (Tcl_HashTable *) ckalloc(sizeof(Tcl_HashTable));
arHashTable = (Tcl_HashTable *) ckalloc(sizeof(Tcl_HashTable));
Tcl_CreateObjCommand(interp, "sound", Snack_SoundCmd,
(ClientData) soundHashTable, (Tcl_CmdDeleteProc *)NULL);
Tcl_CreateObjCommand(interp, "snack::sound", Snack_SoundCmd,
(ClientData) soundHashTable, (Tcl_CmdDeleteProc *)NULL);
Tcl_CreateObjCommand(interp, "sound::sound", Snack_SoundCmd,
(ClientData) soundHashTable, Snack_SoundDeleteCmd);
Tcl_CreateObjCommand(interp, "audio", Snack_AudioCmd,
NULL, (Tcl_CmdDeleteProc *)NULL);
Tcl_CreateObjCommand(interp, "snack::audio", Snack_AudioCmd,
NULL, (Tcl_CmdDeleteProc *)NULL);
Tcl_CreateObjCommand(interp, "sound::audio", Snack_AudioCmd,
NULL, Snack_AudioDeleteCmd);
Tcl_CreateObjCommand(interp, "sound::mixer", Snack_MixerCmd,
NULL, Snack_MixerDeleteCmd);
Tcl_CreateObjCommand(interp, "snack::mixer", Snack_MixerCmd,
NULL, Snack_MixerDeleteCmd);
Tcl_CreateObjCommand(interp, "snack::filter", Snack_FilterCmd,
(ClientData) filterHashTable, Snack_FilterDeleteCmd);
Tcl_CreateObjCommand(interp, "snack::hset", Snack_HSetCmd,
(ClientData) hsetHashTable, Snack_HSetDeleteCmd);
Tcl_CreateObjCommand(interp, "snack::ca", Snack_arCmd,
(ClientData) arHashTable, Snack_arDeleteCmd);
Tcl_CreateObjCommand(interp, "snack::isyn", isynCmd,
NULL, (Tcl_CmdDeleteProc *)NULL);
Tcl_CreateObjCommand(interp, "snack::debug",
(Tcl_ObjCmdProc*) Snack_DebugCmd,
NULL, (Tcl_CmdDeleteProc *)NULL);
snackDebugChannel = Tcl_GetStdChannel(TCL_STDERR);
debugInterp = interp;
Tcl_SetVar(interp, "snack::patchLevel", SNACK_PATCH_LEVEL, TCL_GLOBAL_ONLY);
Tcl_SetVar(interp, "snack::version", SNACK_VERSION, TCL_GLOBAL_ONLY);
Tcl_SetVar(interp, "sound::patchLevel", SNACK_PATCH_LEVEL, TCL_GLOBAL_ONLY);
Tcl_SetVar(interp, "sound::version", SNACK_VERSION, TCL_GLOBAL_ONLY);
Tcl_InitHashTable(soundHashTable, TCL_STRING_KEYS);
Tcl_InitHashTable(filterHashTable, TCL_STRING_KEYS);
Tcl_InitHashTable(hsetHashTable, TCL_STRING_KEYS);
Tcl_InitHashTable(arHashTable, TCL_STRING_KEYS);
if (initialized == 0) {
SnackDefineFileFormats(interp);
SnackCreateFilterTypes(interp);
SnackAudioInit();
Tcl_CreateExitHandler(Snack_ExitProc, (ClientData) NULL);
initialized = 1;
}
#ifdef SNACK_CSLU_TOOLKIT
Snack_AddSubCmd(SNACK_SOUND_CMD, "fromCSLUshWave",
(Snack_CmdProc *) fromCSLUshWaveCmd, NULL);
Snack_AddSubCmd(SNACK_SOUND_CMD, "toCSLUshWave",
(Snack_CmdProc *) toCSLUshWaveCmd, NULL);
#endif
/* Compute the byte order of this machine. */
order.s = 1;
if (order.c[0] == 1) {
littleEndian = 1;
}
/* Determine a default sample rate for this machine, usually 16kHz. */
SnackAudioGetRates(defaultOutDevice, rates, 100);
if (strstr(rates, "16000") != NULL ||
sscanf(rates, "%d", &defaultSampleRate) != 1) {
defaultSampleRate = 16000;
}
return TCL_OK;
}
int
Sound_SafeInit(Tcl_Interp *interp)
{
return Sound_Init(interp);
}
void
Snack_WriteLog(char *str)
{
if (snackDebugChannel == NULL) {
snackDebugChannel = Tcl_OpenFileChannel(debugInterp, "_debug.txt", "w",
420);
}
Tcl_Write(snackDebugChannel, str, strlen(str));
Tcl_Flush(snackDebugChannel);
}
void
Snack_WriteLogInt(char *str, int num)
{
char buf[20];
if (snackDebugChannel == NULL) {
snackDebugChannel = Tcl_OpenFileChannel(debugInterp, "_debug.txt", "w",
420);
}
Tcl_Write(snackDebugChannel, str, strlen(str));
sprintf(buf, " %d", num);
Tcl_Write(snackDebugChannel, buf, strlen(buf));
Tcl_Write(snackDebugChannel, "\n", 1);
Tcl_Flush(snackDebugChannel);
}
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