示例#1
0
文件: effect.c 项目: iolo/liteamp
void effect_init()
{
    echo_init(&effect.echo);
    stereo_init(&effect.stereo);
    voice_init(&effect.voice);
    normal_init(&effect.normal);
    eq_init(&effect.eq);
}
示例#2
0
int emu10k1_init(struct emu10k1_card *card)
{
	/* Init Card */
	if (hw_init(card) < 0)
		return -1;

	voice_init(card);
	addxmgr_init(card);

	DPD(2, "  hw control register -> %#x\n", emu10k1_readfn0(card, HCFG));

	return 0;
}
示例#3
0
static int __devinit emu10k1_init(struct emu10k1_card *card)
{
	/* Init Card */
	if (hw_init(card) != CTSTATUS_SUCCESS)
		return CTSTATUS_ERROR;


	voice_init(card);
	timer_init(card);
	addxmgr_init(card);

	DPD(2, "  hw control register -> %x\n", sblive_readfn0(card, HCFG));

	return CTSTATUS_SUCCESS;
}
示例#4
0
文件: main.c 项目: niklasni1/jocho
int 
main( void )
{
  buffer_t *buffer = malloc(sizeof(buffer_t));
  FILE *fd = fopen("tst.raw", "w"); 


  struct voice_t voice;

  float *sinevals = malloc(sizeof(float)*(SINE_SIZE+1));
  wave_generate_sine(sinevals, SINE_SIZE); 
  struct wave_t sinetable;
  sinetable.vals = sinevals;
  sinetable.size = SINE_SIZE;

  float *sawvals = malloc(sizeof(float)*(SAW_SIZE+1));
  wave_generate_saw(sawvals, SAW_SIZE);
  struct wave_t sawtable;
  sawtable.vals = sawvals;
  sawtable.size = SAW_SIZE;

  /*
  float *trivals = malloc(sizeof(float)*(TRI_SIZE+1));
  wave_generate_triangle(trivals, TRI_SIZE);
  struct wave_t tritable;
  tritable.vals = trivals;
  tritable.size = TRI_SIZE;
  */

  struct wavetable_t wt;
  struct wave_t *waves = malloc(sizeof(struct wave_t)*2);
  waves[0] = sinetable;
  waves[1] = sinetable;
  wavetable_init(&wt, waves, 2);

  voice_init(&voice, &wt);
  voice_trigger(&voice);

  while(1)
  {
    fill_buffer(*buffer, &voice);
    out(*buffer, fd); 
    if (voice.ops[3].aenv.state == ENV_STOPPED)
      break;
  }

  return 0;
}
示例#5
0
void
	synth_init
(synth_t	*synth,
 int		 samplerate
 )
{
	synth->samplerate = samplerate;

	for (int i = 0; i < NUM_VOICES; i++)
	{
		voice_init
			(&synth->a_voices[i],
			 samplerate);
	}

	osc_init(&synth->lfo, samplerate);

	synth->lfo_to_volume = 0.0;
	synth->lfo_to_filter = 0.0;
}
示例#6
0
static int process_incoming_call(void)
{
	struct vboxuser	 vboxuser;
	struct vboxcall	 vboxcall;
	unsigned char		 line[VBOXMODEM_BUFFER_SIZE + 1];
	int					 haverings;
	int					 waitrings;
	int					 usersetup;
	int					 ringsetup;
	int					 inputisok;
	unsigned char		*stop;
	unsigned char		*todo;

	memset(&vboxuser, 0, sizeof(vboxuser));
	memset(&vboxcall, 0, sizeof(vboxcall));

	haverings =  0;
	waitrings = -1;
	usersetup =  0;
	ringsetup =  0;

	while (modem_read(&vboxmodem, line, modemsetup.ringtimeout) == 0)
	{
		inputisok = 0;

			/* Wenn der Benutzer der angerufenen Nummer ermittelt ist und	*/
			/* dessen Konfigurations abgearbeitet wurde, wird überprüft ob	*/
			/* der Anruf angenommen werden soll.									*/

		if ((usersetup) && (ringsetup))
		{
			if (waitrings >= 0)
			{
				todo = savettydname;
				stop = ctrl_exists(vboxuser.home, "answer", todo);

				if (!stop)
				{
					todo = NULL;
					stop = ctrl_exists(vboxuser.home, "answer", todo);
				}

				if (stop)
				{
					log_line(LOG_D, "Control \"vboxctrl-answer\" detected: %s (%s)...\n", stop, ((char *)todo ? (char *)todo : "global"));

					if ((strcasecmp(stop, "no") == 0) || (strcasecmp(stop, "hangup") == 0) || (strcasecmp(stop, "reject") == 0))
					{
						log_line(LOG_D, "Incoming call will be rejected...\n");
						
						return(0);
					}

					if (strcasecmp(stop, "now") != 0)
					{
						vboxuser.space	= 0;
						waitrings		= xstrtol(stop, waitrings);
					}
					else
					{
						vboxuser.space = 0;
						waitrings		= 1;
					}

					log_line(LOG_D, "Call will be answered after %d ring(s).\n", waitrings);
				}
			}

			if (waitrings > 0)
			{
				if (haverings >= waitrings)
				{
					return(voice_init(&vboxuser, &vboxcall));
				}
			}
		}

			/* Ring abarbeiten: Beim ersten Ring wird die angerufene	*/
			/* Nummer gesichert, die durch ATS13.7=1 mit einem Slash	*/
			/* an den Ringstring angehängt ist.								*/

		if (strncmp(line, "RING/", 5) == 0)
		{
			inputisok++;
			haverings++;
			
			if (!ringsetup)
			{
	         xstrncpy(vboxuser.localphone, &line[5], VBOXUSER_NUMBER);

				ringsetup = 1;
			}				          

			log_line(LOG_A, "%s #%03d (%s)...\n", line, haverings, ((char *)usersetup ? (char *)vboxcall.name : "not known"));
		}

			/* CallerID aus dem Modeminput kopieren. Wenn bereits die	*/
			/* angerufene Nummer ermittelt wurde, wird einmalig die		*/
			/* Konfigurationsdatei des Benutzers abgearbeitet.				*/

		if (strncmp(line, "CALLER NUMBER: ", 15) == 0)
		{
			inputisok++;

			if ((ringsetup) && (!usersetup))
			{
				xstrncpy(vboxuser.incomingid, &line[15], VBOXUSER_CALLID);

				if (userrc_parse(&vboxuser, rc_get_entry(rc_getty_c, "spooldir")) == 0)
				{
					if ((vboxuser.uid != 0) && (vboxuser.gid != 0))
					{
							/* Nachdem "vboxgetty.user" abgearbeitet ist und	*/
							/* ein Benutzer gefunden wurde, werden einige der	*/
							/* Kontrolldateien gelöscht.								*/

						ctrl_remove(vboxuser.home, "suspend", savettydname);
						ctrl_remove(vboxuser.home, "suspend", NULL        );

							/* Die "effective Permissions" des Prozesses auf	*/
							/* die des Benutzers setzen und dessen Konfigurat-	*/
							/* ionsdatei abarbeiten.									*/

						if (set_process_permissions(vboxuser.uid, vboxuser.gid, vboxuser.umask) == 0)
						{
							usersetup = 1;
							waitrings = vboxrc_parse(&vboxcall, vboxuser.home, vboxuser.incomingid);

							if (waitrings <= 0)
							{
								if (waitrings < 0)
									log_line(LOG_W, "Incoming call will be ignored!\n");
								else
									log_line(LOG_D, "Incoming call will be ignored (user setup)!\n");
							}
							else log_line(LOG_D, "Call will be answered after %d ring(s).\n", waitrings);
						}
						else return(-1);
					}
					else log_line(LOG_W, "Useing uid/gid 0 is not allowed - call will be ignored!\n", vboxuser.incomingid);
				}
				else log_line(LOG_W, "Number \"%s\" not bound to a local user - call will be ignored!\n", vboxuser.localphone);
			}
		}

		if (!inputisok)
		{
			log_line(LOG_D, "Got junk line \"");
			log_code(LOG_D, line);
			log_text(LOG_D, "\"...\n");

			continue;
		}
	}

	return(-1);
}