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Diffstat (limited to 'pjsip-apps/src/samples/confbench.c')
| -rw-r--r-- | pjsip-apps/src/samples/confbench.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/pjsip-apps/src/samples/confbench.c b/pjsip-apps/src/samples/confbench.c new file mode 100644 index 0000000..4fe155d --- /dev/null +++ b/pjsip-apps/src/samples/confbench.c @@ -0,0 +1,347 @@ +/* $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; +} + + |