/CSipSimple/jni/pjsip/sources/pjsip-apps/src/samples/confbench.c
C | 347 lines | 213 code | 77 blank | 57 comment | 28 complexity | 5d8058c566e132f9a1234a4394467cd9 MD5 | raw file
- /* $Id: confbench.c 3664 2011-07-19 03:42:28Z nanang $ */
- /*
- * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
- * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- /**
- * \page page_pjmedia_samples_confbench_c Samples: Benchmarking Conference Bridge
- *
- * Benchmarking pjmedia (conference bridge+resample). For my use only,
- * and it only works in Win32.
- *
- * This file is pjsip-apps/src/samples/confbench.c
- *
- * \includelineno confbench.c
- */
- #include <pjmedia.h>
- #include <pjlib-util.h> /* pj_getopt */
- #include <pjlib.h>
- #include <stdlib.h> /* atoi() */
- #include <stdio.h>
- #include <windows.h>
- /* For logging purpose. */
- #define THIS_FILE "confsample.c"
- /* Configurable:
- * LARGE_SET will create in total of about 232 ports.
- * HAS_RESAMPLE will activate resampling on about half
- * the port.
- */
- #define TEST_SET LARGE_SET
- #define HAS_RESAMPLE 0
- #define SMALL_SET 16
- #define LARGE_SET 100
- #define PORT_COUNT 254
- #define CLOCK_RATE 16000
- #define SAMPLES_PER_FRAME (CLOCK_RATE/100)
- #if HAS_RESAMPLE
- # define SINE_CLOCK 32000
- #else
- # define SINE_CLOCK CLOCK_RATE
- #endif
- #define SINE_PTIME 20
- #define DURATION 10
- #define SINE_COUNT TEST_SET
- #define NULL_COUNT TEST_SET
- #define IDLE_COUNT 32
- static void app_perror(const char *sender, const char *title, pj_status_t status)
- {
- char errmsg[PJ_ERR_MSG_SIZE];
- pj_strerror(status, errmsg, sizeof(errmsg));
- PJ_LOG(1,(sender, "%s: %s", title, errmsg));
- }
- struct Times
- {
- FILETIME kernel_time;
- ULARGE_INTEGER u_kernel_time;
- FILETIME user_time;
- ULARGE_INTEGER u_user_time;
- ULARGE_INTEGER u_total;
- };
- static void process(struct Times *t)
- {
- pj_memcpy(&t->u_kernel_time, &t->kernel_time, sizeof(FILETIME));
- pj_memcpy(&t->u_user_time, &t->user_time, sizeof(FILETIME));
- t->u_total.QuadPart = t->u_kernel_time.QuadPart + t->u_user_time.QuadPart;
- }
- static void benchmark(void)
- {
- FILETIME creation_time, exit_time;
- struct Times start, end;
- DWORD ts, te;
- LARGE_INTEGER elapsed;
- BOOL rc;
- int i;
- double pct;
- puts("Test started!"); fflush(stdout);
- ts = GetTickCount();
- rc = GetProcessTimes(GetCurrentProcess(), &creation_time, &exit_time,
- &start.kernel_time, &start.user_time);
- for (i=DURATION; i>0; --i) {
- printf("\r%d ", i); fflush(stdout);
- pj_thread_sleep(1000);
- }
- rc = GetProcessTimes(GetCurrentProcess(), &creation_time, &exit_time,
- &end.kernel_time, &end.user_time);
- te = GetTickCount();
- process(&start);
- process(&end);
- elapsed.QuadPart = end.u_total.QuadPart - start.u_total.QuadPart;
- pct = elapsed.QuadPart * 100.0 / ((te-ts)*10000.0);
- printf("CPU usage=%6.4f%%\n", pct); fflush(stdout);
- }
- /* Struct attached to sine generator */
- typedef struct
- {
- pj_int16_t *samples; /* Sine samples. */
- } port_data;
- /* This callback is called to feed more samples */
- static pj_status_t sine_get_frame( pjmedia_port *port,
- pjmedia_frame *frame)
- {
- port_data *sine = port->port_data.pdata;
- pj_int16_t *samples = frame->buf;
- unsigned i, count, left, right;
- /* Get number of samples */
- count = frame->size / 2 / PJMEDIA_PIA_CCNT(&port->info);
- left = 0;
- right = 0;
- for (i=0; i<count; ++i) {
- *samples++ = sine->samples[left];
- ++left;
- if (PJMEDIA_PIA_CCNT(&port->info) == 2) {
- *samples++ = sine->samples[right];
- right += 2; /* higher pitch so we can distinguish left and right. */
- if (right >= count)
- right = 0;
- }
- }
- /* Must set frame->type correctly, otherwise the sound device
- * will refuse to play.
- */
- frame->type = PJMEDIA_FRAME_TYPE_AUDIO;
- return PJ_SUCCESS;
- }
- #ifndef M_PI
- #define M_PI (3.14159265)
- #endif
- /*
- * Create a media port to generate sine wave samples.
- */
- static pj_status_t create_sine_port(pj_pool_t *pool,
- unsigned sampling_rate,
- unsigned channel_count,
- pjmedia_port **p_port)
- {
- pjmedia_port *port;
- unsigned i;
- unsigned count;
- pj_str_t port_name;
- port_data *sine;
- PJ_ASSERT_RETURN(pool && channel_count > 0 && channel_count <= 2,
- PJ_EINVAL);
- port = pj_pool_zalloc(pool, sizeof(pjmedia_port));
- PJ_ASSERT_RETURN(port != NULL, PJ_ENOMEM);
- /* Fill in port info. */
- port_name = pj_str("sine generator");
- pjmedia_port_info_init(&port->info, &port_name,
- 12345, sampling_rate, channel_count, 16,
- sampling_rate * SINE_PTIME / 1000 * channel_count);
-
- /* Set the function to feed frame */
- port->get_frame = &sine_get_frame;
- /* Create sine port data */
- port->port_data.pdata = sine = pj_pool_zalloc(pool, sizeof(port_data));
- /* Create samples */
- count = PJMEDIA_PIA_SPF(&port->info) / channel_count;
- sine->samples = pj_pool_alloc(pool, count * sizeof(pj_int16_t));
- PJ_ASSERT_RETURN(sine->samples != NULL, PJ_ENOMEM);
- /* initialise sinusoidal wavetable */
- for( i=0; i<count; i++ )
- {
- sine->samples[i] = (pj_int16_t) (10000.0 *
- sin(((double)i/(double)count) * M_PI * 8.) );
- }
- *p_port = port;
- return PJ_SUCCESS;
- }
- int main()
- {
- pj_caching_pool cp;
- pjmedia_endpt *med_endpt;
- pj_pool_t *pool;
- pjmedia_conf *conf;
- int i;
- pjmedia_port *sine_port[SINE_COUNT], *null_port, *conf_port;
- pjmedia_port *nulls[NULL_COUNT];
- unsigned null_slots[NULL_COUNT];
- pjmedia_master_port *master_port;
- pj_status_t status;
- pj_log_set_level(3);
- status = pj_init();
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
- pool = pj_pool_create( &cp.factory, /* pool factory */
- "wav", /* pool name. */
- 4000, /* init size */
- 4000, /* increment size */
- NULL /* callback on error */
- );
- status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- status = pjmedia_conf_create( pool,
- PORT_COUNT,
- CLOCK_RATE,
- 1, SAMPLES_PER_FRAME, 16,
- PJMEDIA_CONF_NO_DEVICE,
- &conf);
- if (status != PJ_SUCCESS) {
- app_perror(THIS_FILE, "Unable to create conference bridge", status);
- return 1;
- }
- printf("Resampling is %s\n", (HAS_RESAMPLE?"active":"disabled"));
- /* Create Null ports */
- printf("Creating %d null ports..\n", NULL_COUNT);
- for (i=0; i<NULL_COUNT; ++i) {
- status = pjmedia_null_port_create(pool, CLOCK_RATE, 1, SAMPLES_PER_FRAME*2, 16, &nulls[i]);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- status = pjmedia_conf_add_port(conf, pool, nulls[i], NULL, &null_slots[i]);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- }
- /* Create sine ports. */
- printf("Creating %d sine generator ports..\n", SINE_COUNT);
- for (i=0; i<SINE_COUNT; ++i) {
- unsigned j, slot;
- /* Load the WAV file to file port. */
- status = create_sine_port(pool, SINE_CLOCK, 1, &sine_port[i]);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- /* Add the file port to conference bridge */
- status = pjmedia_conf_add_port( conf, /* The bridge */
- pool, /* pool */
- sine_port[i], /* port to connect */
- NULL, /* Use port's name */
- &slot /* ptr for slot # */
- );
- if (status != PJ_SUCCESS) {
- app_perror(THIS_FILE, "Unable to add conference port", status);
- return 1;
- }
- status = pjmedia_conf_connect_port(conf, slot, 0, 0);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- for (j=0; j<NULL_COUNT; ++j) {
- status = pjmedia_conf_connect_port(conf, slot, null_slots[j], 0);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- }
- }
- /* Create idle ports */
- printf("Creating %d idle ports..\n", IDLE_COUNT);
- for (i=0; i<IDLE_COUNT; ++i) {
- pjmedia_port *dummy;
- status = pjmedia_null_port_create(pool, CLOCK_RATE, 1, SAMPLES_PER_FRAME, 16, &dummy);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- status = pjmedia_conf_add_port(conf, pool, dummy, NULL, NULL);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- }
- /* Create null port */
- status = pjmedia_null_port_create(pool, CLOCK_RATE, 1, SAMPLES_PER_FRAME, 16,
- &null_port);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
- conf_port = pjmedia_conf_get_master_port(conf);
- /* Create master port */
- status = pjmedia_master_port_create(pool, null_port, conf_port, 0, &master_port);
- pjmedia_master_port_start(master_port);
- puts("Waiting to settle.."); fflush(stdout);
- pj_thread_sleep(5000);
- benchmark();
- /* Done. */
- return 0;
- }