static ngx_int_t
queue_remove (max_connections_peer_data_t *peer_data)
{
max_connections_srv_conf_t *maxconn_cf = peer_data->maxconn_cf;
/* return 0 if it wasn't in the queue */
if(peer_data->queue.next == NULL)
return 0;
max_connections_peer_data_t *oldest = queue_oldest (maxconn_cf);
ngx_queue_remove(&peer_data->queue);
peer_data->queue.prev = peer_data->queue.next = NULL;
maxconn_cf->queue_length -= 1;
assert(maxconn_cf->queue_length == queue_size(peer_data->maxconn_cf));
ngx_log_error( NGX_LOG_INFO
, peer_data->r->connection->log
, 0
, "max_connections del queue (new size %ui)"
, maxconn_cf->queue_length
);
if(ngx_queue_empty(&maxconn_cf->waiting_requests)) {
/* delete the timer if the queue is empty now */
if(maxconn_cf->queue_check_event.timer_set) {
ngx_del_timer( (&maxconn_cf->queue_check_event) );
}
} else if(oldest == peer_data) {
/* if the removed peer_data was the first */
/* make sure that the check queue timer is set when we have things in
* the queue */
oldest = queue_oldest (maxconn_cf);
/* ------|-----------|-------------|------------------------ */
/* accessed now accessed + TIMEOUT */
ngx_add_timer( (&maxconn_cf->queue_check_event)
, RAMP(oldest->accessed + maxconn_cf->queue_timeout - ngx_current_msec)
);
}
return 1;
}
#include <math.h>
#include <string.h>
#include "wahwah.h"
#include "codec.h"
#include "utils.h"
#include "waveshaper.h"
void processWahwah(const FloatAudioBuffer* restrict in,
FloatAudioBuffer* restrict out, WahwahState* state,
const WahwahParams* params)
{
// Set centre wah bandpass frequency to 200..800 Hz
const float wah = RAMP(params->wah, HZ2OMEGA(200), HZ2OMEGA(800));
// Set bandpass Q to 1..32, on an exponential scale
const float q = exp2f(RAMP(params->q, 0.0f, 5.0f));
FloatBiquadCoeffs coeffs;
bqMakeBandpass(&coeffs, wah, q);
bqProcess(in, out, &coeffs, &state->bqstate);
}
void initWahwah(WahwahState* state)
{
memset(state, 0, sizeof(*state));
}
