| /* $Id: confbench.c 4537 2013-06-19 06:47:43Z riza $ */ |
| /* |
| * 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, left, right; |
| pj_size_t count; |
| |
| /* 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; |
| } |
| |
| |