Example #1
0
int main(int argc, char *argv[])
{
	FSOUND_SAMPLE *samp1;
	signed char key;
	int driver, i, channel, originalfreq;

	if (FSOUND_GetVersion() < FMOD_VERSION)
	{
		printf("Error : You are using the wrong DLL version!  You should be using FMOD %.02f\n", FMOD_VERSION);
		return 0;
	}

	/*
	    SELECT OUTPUT METHOD
	*/
	
    printf("---------------------------------------------------------\n");	
    printf("Output Type\n");	
    printf("---------------------------------------------------------\n");	
#if defined(WIN32) || defined(__CYGWIN32__) || defined(__WATCOMC__)
    printf("1 - Direct Sound\n");
    printf("2 - Windows Multimedia Waveout\n");
    printf("3 - NoSound\n");
#elif defined(__linux__)
    printf("1 - OSS - Open Sound System\n");
    printf("2 - ESD - Elightment Sound Daemon\n");
    printf("3 - ALSA 0.9 - Advanced Linux Sound Architecture\n");   
#endif
	printf("---------------------------------------------------------\n");	/* print driver names */
	printf("Press a corresponding number or ESC to quit\n");

	do
	{
		key = getch();
	} while (key != 27 && key < '1' && key > '4');
	
	switch (key)
	{
#if defined(WIN32) || defined(__CYGWIN32__) || defined(__WATCOMC__)
		case '1' :	FSOUND_SetOutput(FSOUND_OUTPUT_DSOUND);
					break;
		case '2' :	FSOUND_SetOutput(FSOUND_OUTPUT_WINMM);
					break;
		case '3' :	FSOUND_SetOutput(FSOUND_OUTPUT_NOSOUND);
					break;
#elif defined(__linux__)
		case '1' :	FSOUND_SetOutput(FSOUND_OUTPUT_OSS);
					break;
		case '2' :	FSOUND_SetOutput(FSOUND_OUTPUT_ESD);
					break;
		case '3' :	FSOUND_SetOutput(FSOUND_OUTPUT_ALSA);
					break;
#endif
		default :	return 0;
	}
	
	/*
	    SELECT OUTPUT DRIVER
	*/

	/* The following list are the drivers for the output method selected above. */
    printf("---------------------------------------------------------\n");	
    switch (FSOUND_GetOutput())
    {
        case FSOUND_OUTPUT_NOSOUND:    printf("NoSound"); break;
        case FSOUND_OUTPUT_WINMM:      printf("Windows Multimedia Waveout"); break;
        case FSOUND_OUTPUT_DSOUND:     printf("Direct Sound"); break;
        case FSOUND_OUTPUT_OSS:        printf("Open Sound System"); break;
        case FSOUND_OUTPUT_ESD:        printf("Enlightment Sound Daemon"); break;
        case FSOUND_OUTPUT_ALSA:       printf("ALSA"); break;       
    };
	printf(" Driver list\n");	
	printf("---------------------------------------------------------\n");	

	for (i=0; i < FSOUND_GetNumDrivers(); i++) 
	{
		printf("%d - %s\n", i+1, FSOUND_GetDriverName(i));	/* print driver names */
	}
	printf("---------------------------------------------------------\n");	/* print driver names */
	printf("Press a corresponding number or ESC to quit\n");

	do
	{
		key = getch();
		if (key == 27) 
		{
			FSOUND_Close();
			return 0;
		}
		driver = key - '1';
	} while (driver < 0 || driver >= FSOUND_GetNumDrivers());

	FSOUND_SetDriver(driver);					/* Select sound card (0 = default) */

	/*
	    SELECT MIXER
	*/

	FSOUND_SetMixer(FSOUND_MIXER_QUALITY_AUTODETECT);
		
	/*
	    INITIALIZE
	*/
	if (!FSOUND_Init(44100, 64, FSOUND_INIT_ACCURATEVULEVELS))
	{
		printf("Error!\n");
		printf("%s\n", FMOD_ErrorString(FSOUND_GetError()));
		return 0;
	}


	/*
	    SELECT INPUT DRIVER (can be done before or after init)
	*/

	/* The following list are the drivers for the output method selected above. */
	printf("---------------------------------------------------------\n");	
	switch (FSOUND_GetOutput())
	{
        case FSOUND_OUTPUT_NOSOUND:    printf("NoSound"); break;
        case FSOUND_OUTPUT_WINMM:      printf("Windows Multimedia Waveout"); break;
        case FSOUND_OUTPUT_DSOUND:     printf("Direct Sound"); break;
        case FSOUND_OUTPUT_OSS:        printf("Open Sound System"); break;
        case FSOUND_OUTPUT_ESD:        printf("Enlightment Sound Daemon"); break;
        case FSOUND_OUTPUT_ALSA:       printf("ALSA"); break;       
	};
	printf(" Recording device driver list\n");	
	printf("---------------------------------------------------------\n");	

	for (i=0; i < FSOUND_Record_GetNumDrivers(); i++) 
	{
		printf("%d - %s\n", i+1, FSOUND_Record_GetDriverName(i));	/* print driver names */
	}
	printf("---------------------------------------------------------\n");	/* print driver names */
	printf("Press a corresponding number or ESC to quit\n");

	do
	{
		key = getch();
		if (key == 27) 
			return 0;
		driver = key - '1';
	} while (driver < 0 || driver >= FSOUND_Record_GetNumDrivers());

	if (!FSOUND_Record_SetDriver(driver))	/* Select input sound card (0 = default) */
	{
		printf("Error!\n");
		printf("%s\n", FMOD_ErrorString(FSOUND_GetError()));
		FSOUND_Close();
		return 0;
	}
	
	/*
	    DISPLAY HELP
	*/

	printf("FSOUND Output Method : ");
	switch (FSOUND_GetOutput())
	{
        case FSOUND_OUTPUT_NOSOUND:    printf("FSOUND_OUTPUT_NOSOUND\n"); break;
        case FSOUND_OUTPUT_WINMM:      printf("FSOUND_OUTPUT_WINMM\n"); break;
        case FSOUND_OUTPUT_DSOUND:     printf("FSOUND_OUTPUT_DSOUND\n"); break;
        case FSOUND_OUTPUT_OSS:        printf("FSOUND_OUTPUT_OSS\n"); break;
        case FSOUND_OUTPUT_ESD:        printf("FSOUND_OUTPUT_ESD\n"); break;
        case FSOUND_OUTPUT_ALSA:       printf("FSOUND_OUTPUT_ALSA\n"); break;       
	};

	printf("FSOUND Mixer         : ");
	switch (FSOUND_GetMixer())
	{
		case FSOUND_MIXER_BLENDMODE:	printf("FSOUND_MIXER_BLENDMODE\n"); break;
		case FSOUND_MIXER_MMXP5:		printf("FSOUND_MIXER_MMXP5\n"); break;
		case FSOUND_MIXER_MMXP6:		printf("FSOUND_MIXER_MMXP6\n"); break;
		case FSOUND_MIXER_QUALITY_FPU:	printf("FSOUND_MIXER_QUALITY_FPU\n"); break;
		case FSOUND_MIXER_QUALITY_MMXP5:printf("FSOUND_MIXER_QUALITY_MMXP5\n"); break;
		case FSOUND_MIXER_QUALITY_MMXP6:printf("FSOUND_MIXER_QUALITY_MMXP6\n"); break;
	};
	printf("FSOUND Driver        : %s\n", FSOUND_GetDriverName(FSOUND_GetDriver()));
	printf("FSOUND Record Driver : %s\n", FSOUND_Record_GetDriverName(FSOUND_Record_GetDriver()));

	/*
	    RECORD INTO A STATIC SAMPLE
	*/

	/*
        Create a sample to record into
    */
    samp1 = FSOUND_Sample_Alloc(FSOUND_UNMANAGED, RECORDLEN, FSOUND_STEREO | FSOUND_16BITS , RECORDRATE, 255, 128, 255);
    if (!samp1)
    {
        printf("Error!\n");
		printf("%s\n", FMOD_ErrorString(FSOUND_GetError()));
        FSOUND_Close();
        return 0;
    }

	printf("\n");
	printf("=========================================================================\n");
	printf("Press a key to start recording 5 seconds worth of data\n");
	printf("=========================================================================\n");

	getch();

	if (!FSOUND_Record_StartSample(samp1, FALSE))	/* it will record into this sample for 5 seconds then stop */
	{
		printf("Error!\n");
		printf("%s\n", FMOD_ErrorString(FSOUND_GetError()));

		FSOUND_Close();
		return 0;
	}

	do
	{
		printf("Recording position = %d\r", FSOUND_Record_GetPosition());
		Sleep(50);
	} while (FSOUND_Record_GetPosition() < RECORDLEN && !kbhit());

	FSOUND_Record_Stop();	/* it already stopped anyway */

	printf("\n=========================================================================\n");
	printf("Press a key to play back recorded data\n");
	printf("=========================================================================\n");

	getch();

	channel = FSOUND_PlaySound(FSOUND_FREE, samp1);

	printf("Playing back sound...\n");

	do
	{
		printf("Playback position = %d\r", FSOUND_GetCurrentPosition(channel));
		Sleep(50);
	} while (FSOUND_IsPlaying(channel) && !kbhit());

    if (FSOUND_GetOutput() == FSOUND_OUTPUT_OSS)
    {
        FSOUND_Sample_Free(samp1);
        FSOUND_Close();
        return 0;
    }

	/*
	    REALTIME FULL DUPLEX RECORD / PLAYBACK!
	*/

	printf("\n=========================================================================\n");
	printf("Press a key to do some full duplex realtime recording!\n");
	printf("(with reverb for mmx users)\n");
	printf("=========================================================================\n");

	getch();

	FSOUND_Sample_SetMode(samp1, FSOUND_LOOP_NORMAL);	/* make it a looping sample */

	if (!FSOUND_Record_StartSample(samp1, TRUE))	/* start recording and make it loop also */
	{
		printf("Error!\n");
		printf("%s\n", FMOD_ErrorString(FSOUND_GetError()));

		FSOUND_Close();
		return 0;
	}

    /*
        Increase this value if the sound sounds corrupted or the time between recording
        and hearing the result is longer than it should be..
    */
    #define RECORD_DELAY_MS       25
    #define RECORD_DELAY_SAMPLES  (RECORDRATE * RECORD_DELAY_MS / 1000)

    /*
        Let the record cursor move forward a little bit first before we try to play it
        (the position jumps in blocks, so any non 0 value will mean 1 block has been recorded)
    */
    while (!FSOUND_Record_GetPosition()) 
    {
        Sleep(1);
    }

#ifdef ENABLEREVERB
	SetupReverb();
#endif

	channel = FSOUND_PlaySound(FSOUND_FREE, samp1);	/* play the sound */

	originalfreq = FSOUND_GetFrequency(channel);
		
/*	printf("initial delay = %d\n", FSOUND_GetCurrentPosition(channel) - FSOUND_Record_GetPosition()); */

	do
	{
		int playpos, recordpos, diff;
		static int oldrecordpos = 0, oldplaypos = 0;

		playpos = FSOUND_GetCurrentPosition(channel);
		recordpos = FSOUND_Record_GetPosition();

		/* 
            NOTE : As the recording and playback frequencies arent guarranteed to be exactly in 
		    sync, we have to adjust the playback frequency to keep the 2 cursors just enough 
		    apart not to overlap. (and sound corrupted)
		    This code tries to keep it inside a reasonable size window just behind the record
		    cursor. ie [........|play window|<-delay->|<-Record cursor.............] 
        */

		/*
            Dont do this code if either of the cursors just wrapped
        */
		if (playpos > oldplaypos && recordpos > oldrecordpos)	
		{
			diff = playpos - recordpos;

			if (diff > -RECORD_DELAY_SAMPLES)
            {
				FSOUND_SetFrequency(channel, originalfreq - 1000);	/* slow it down */
            }
			else if (diff < -(RECORD_DELAY_SAMPLES * 2))
            {
				FSOUND_SetFrequency(channel, originalfreq + 1000);	/* speed it up */
            }
			else
            {
				FSOUND_SetFrequency(channel, originalfreq);	
            }
		}

		oldplaypos = playpos;
		oldrecordpos = recordpos;

		/*
            Print some info and a VU meter (vu is smoothed)
        */
		{
			char vu[19];
			float vuval, l, r;
			static float smoothedvu = 0;

			FSOUND_GetCurrentLevels(channel, &l, &r);
            vuval = (l+r) * 0.5f;
            vuval *= 18.0f;

			#define VUSPEED 0.2f

			if (vuval > smoothedvu)
            {
				smoothedvu = vuval;
            }

			smoothedvu -= VUSPEED;
			if (smoothedvu < 0)
            {
				smoothedvu = 0;
            }

			memset(vu, 0, 19);
			memset(vu, '=', (int)(smoothedvu));

			printf("Play=%6d Rec=%6d (gap=%6d, freqchange=%6d hz) VU:%-15s\r", playpos, recordpos,  diff, FSOUND_GetFrequency(channel) - originalfreq, vu);
		}

		Sleep(10);
	} while (!kbhit());

    getch();

	FSOUND_StopSound(channel);
	FSOUND_Record_Stop();

#ifdef ENABLEREVERB		
	CloseReverb();
#endif

	/*
	    CLEANUP AND SHUTDOWN
	*/

    FSOUND_Sample_Free(samp1);
    FSOUND_Close();
    return 0;
}