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Narrator
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Speak_Narrator.c
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1992-09-03
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/*
* Copyright (c) 1992 Commodore-Amiga, Inc.
*
* This example is provided in electronic form by Commodore-Amiga, Inc. for
* use with the "Amiga ROM Kernel Reference Manual: Devices", 3rd Edition,
* published by Addison-Wesley (ISBN 0-201-56775-X).
*
* The "Amiga ROM Kernel Reference Manual: Devices" contains additional
* information on the correct usage of the techniques and operating system
* functions presented in these examples. The source and executable code
* of these examples may only be distributed in free electronic form, via
* bulletin board or as part of a fully non-commercial and freely
* redistributable diskette. Both the source and executable code (including
* comments) must be included, without modification, in any copy. This
* example may not be published in printed form or distributed with any
* commercial product. However, the programming techniques and support
* routines set forth in these examples may be used in the development
* of original executable software products for Commodore Amiga computers.
*
* All other rights reserved.
*
* This example is provided "as-is" and is subject to change; no
* warranties are made. All use is at your own risk. No liability or
* responsibility is assumed.
*
***************************************************************************
*
* Speak_Narrator.c
*
* This example program sends a string of phonetic text to the narrator
* device twice, changing some of the characteristics the second time.
*
* Compile with SAS C 5.10 lc -b1 -cfistq -v -y -L
*
* Requires Kickstart V37 or greater.
*/
#include <exec/types.h>
#include <exec/exec.h>
#include <exec/libraries.h>
#include <dos/dos.h>
#include <devices/narrator.h>
#include <clib/exec_protos.h>
#include <clib/alib_protos.h>
#include <clib/dos_protos.h>
#include <string.h>
#include <stdio.h>
#ifdef LATTICE
int CXBRK(void) { return(0); } /* Disable SAS CTRL/C handling */
int chkabort(void) { return(0); } /* really */
#endif
extern struct Library *SysBase; /* Used to check the OS the version number */
void main(void)
{
struct MsgPort *VoiceMP;
struct narrator_rb *VoiceIO;
UBYTE *PhoneticText = "DHIHS IHZ AHMIY5GAH SPIY5KIHNX.";
BYTE audio_chan[4] = {3, 5, 10, 12};
/* Check the version number of the operating system */
if(SysBase->lib_Version>=36)
{
/* Create the message port */
if (VoiceMP=CreateMsgPort())
{
/* Create the IORequest */
if (VoiceIO = CreateIORequest(VoiceMP,sizeof(struct narrator_rb)))
{
/* Set the NEWIORB bit in the flags field to use the new fields */
VoiceIO->flags = NDF_NEWIORB;
/* Open the narrator device */
if (OpenDevice("narrator.device",0,(struct IORequest *)VoiceIO,0L))
/* Inform user that it could not be opened */
printf("Error: narrator.device did not open\n");
else
{
/* Speak the string using the default parameters */
VoiceIO->ch_masks = &audio_chan[0];
VoiceIO->nm_masks = sizeof(audio_chan);
VoiceIO->message.io_Command = CMD_WRITE;
VoiceIO->message.io_Data = PhoneticText;
VoiceIO->message.io_Length = strlen(PhoneticText);
DoIO(VoiceIO);
/* Now change some of the characteristics:
* Raise the first formant, lower the third formant,
* and move 50% of the way towards AO.
* and speak it again.
*/
VoiceIO->A1adj = -32; /* Shut off first formant */
VoiceIO->A3adj = 11; /* Raise the third formant */
VoiceIO->centralize = 50; /* Move 50% of the way */
VoiceIO->centphon = "AO"; /* towards AO */
DoIO(VoiceIO);
/* Close the narrator device */
CloseDevice((struct IORequest *)VoiceIO);
}
/* Delete the IORequest */
DeleteIORequest(VoiceIO);
}
else
/* Inform user that the IORequest could be created */
printf("Error: Could not create IORequest\n");
/* Delete the message port */
DeleteMsgPort(VoiceMP);
}
else
/* Inform user that the message port could not be created */
printf("Error: Could not create message port\n");
}
else
printf("Error: Release 2 (V36) or a later version of the OS required.\n");
}