Benny Prijono | c78c3a3 | 2006-06-16 15:54:43 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2003-2006 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * Benchmarking pjmedia (conference bridge+resample). For my use only, |
| 22 | * and it only works in Win32. |
| 23 | */ |
| 24 | |
| 25 | #include <pjmedia.h> |
| 26 | #include <pjlib-util.h> /* pj_getopt */ |
| 27 | #include <pjlib.h> |
| 28 | #include <stdlib.h> /* atoi() */ |
| 29 | #include <stdio.h> |
| 30 | #include <windows.h> |
| 31 | |
| 32 | /* For logging purpose. */ |
| 33 | #define THIS_FILE "confsample.c" |
| 34 | |
| 35 | |
| 36 | /* Configurable: |
| 37 | * LARGE_SET will create in total of about 232 ports. |
| 38 | * HAS_RESAMPLE will activate resampling on about half |
| 39 | * the port. |
| 40 | */ |
| 41 | #define TEST_SET SMALL_SET |
| 42 | #define HAS_RESAMPLE 1 |
| 43 | |
| 44 | |
| 45 | #define SMALL_SET 16 |
| 46 | #define LARGE_SET 100 |
| 47 | |
| 48 | |
| 49 | #define PORT_COUNT 254 |
| 50 | #define CLOCK_RATE 16000 |
| 51 | #define SAMPLES_PER_FRAME (CLOCK_RATE/100) |
| 52 | #if HAS_RESAMPLE |
| 53 | # define SINE_CLOCK 32000 |
| 54 | #else |
| 55 | # define SINE_CLOCK CLOCK_RATE |
| 56 | #endif |
| 57 | #define SINE_PTIME 20 |
| 58 | #define DURATION 10 |
| 59 | |
| 60 | #define SINE_COUNT TEST_SET |
| 61 | #define NULL_COUNT TEST_SET |
| 62 | #define IDLE_COUNT 32 |
| 63 | |
| 64 | |
| 65 | static void app_perror(const char *sender, const char *title, pj_status_t status) |
| 66 | { |
| 67 | char errmsg[PJ_ERR_MSG_SIZE]; |
| 68 | |
| 69 | pj_strerror(status, errmsg, sizeof(errmsg)); |
| 70 | PJ_LOG(1,(sender, "%s: %s", title, errmsg)); |
| 71 | } |
| 72 | |
| 73 | |
| 74 | struct Times |
| 75 | { |
| 76 | FILETIME kernel_time; |
| 77 | ULARGE_INTEGER u_kernel_time; |
| 78 | FILETIME user_time; |
| 79 | ULARGE_INTEGER u_user_time; |
| 80 | ULARGE_INTEGER u_total; |
| 81 | }; |
| 82 | |
| 83 | static void process(struct Times *t) |
| 84 | { |
| 85 | pj_memcpy(&t->u_kernel_time, &t->kernel_time, sizeof(FILETIME)); |
| 86 | pj_memcpy(&t->u_user_time, &t->user_time, sizeof(FILETIME)); |
| 87 | t->u_total.QuadPart = t->u_kernel_time.QuadPart + t->u_user_time.QuadPart; |
| 88 | } |
| 89 | |
| 90 | static void benchmark(void) |
| 91 | { |
| 92 | FILETIME creation_time, exit_time; |
| 93 | struct Times start, end; |
| 94 | DWORD ts, te; |
| 95 | LARGE_INTEGER elapsed; |
| 96 | BOOL rc; |
| 97 | int i; |
| 98 | double pct; |
| 99 | |
| 100 | puts("Test started!"); fflush(stdout); |
| 101 | |
| 102 | ts = GetTickCount(); |
| 103 | rc = GetProcessTimes(GetCurrentProcess(), &creation_time, &exit_time, |
| 104 | &start.kernel_time, &start.user_time); |
| 105 | for (i=DURATION; i>0; --i) { |
| 106 | printf("\r%d ", i); fflush(stdout); |
| 107 | pj_thread_sleep(1000); |
| 108 | } |
| 109 | rc = GetProcessTimes(GetCurrentProcess(), &creation_time, &exit_time, |
| 110 | &end.kernel_time, &end.user_time); |
| 111 | te = GetTickCount(); |
| 112 | |
| 113 | process(&start); |
| 114 | process(&end); |
| 115 | |
| 116 | elapsed.QuadPart = end.u_total.QuadPart - start.u_total.QuadPart; |
| 117 | |
| 118 | pct = elapsed.QuadPart * 100.0 / ((te-ts)*10000.0); |
| 119 | |
| 120 | printf("CPU usage=%6.4f%%\n", pct); fflush(stdout); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | |
| 125 | /* Struct attached to sine generator */ |
| 126 | typedef struct |
| 127 | { |
| 128 | pj_int16_t *samples; /* Sine samples. */ |
| 129 | } port_data; |
| 130 | |
| 131 | |
| 132 | /* This callback is called to feed more samples */ |
| 133 | static pj_status_t sine_get_frame( pjmedia_port *port, |
| 134 | pjmedia_frame *frame) |
| 135 | { |
| 136 | port_data *sine = port->user_data; |
| 137 | pj_int16_t *samples = frame->buf; |
| 138 | unsigned i, count, left, right; |
| 139 | |
| 140 | /* Get number of samples */ |
| 141 | count = frame->size / 2 / port->info.channel_count; |
| 142 | |
| 143 | left = 0; |
| 144 | right = 0; |
| 145 | |
| 146 | for (i=0; i<count; ++i) { |
| 147 | *samples++ = sine->samples[left]; |
| 148 | ++left; |
| 149 | |
| 150 | if (port->info.channel_count == 2) { |
| 151 | *samples++ = sine->samples[right]; |
| 152 | right += 2; /* higher pitch so we can distinguish left and right. */ |
| 153 | if (right >= count) |
| 154 | right = 0; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | /* Must set frame->type correctly, otherwise the sound device |
| 159 | * will refuse to play. |
| 160 | */ |
| 161 | frame->type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 162 | |
| 163 | return PJ_SUCCESS; |
| 164 | } |
| 165 | |
| 166 | #ifndef M_PI |
| 167 | #define M_PI (3.14159265) |
| 168 | #endif |
| 169 | |
| 170 | /* |
| 171 | * Create a media port to generate sine wave samples. |
| 172 | */ |
| 173 | static pj_status_t create_sine_port(pj_pool_t *pool, |
| 174 | unsigned sampling_rate, |
| 175 | unsigned channel_count, |
| 176 | pjmedia_port **p_port) |
| 177 | { |
| 178 | pjmedia_port *port; |
| 179 | unsigned i; |
| 180 | unsigned count; |
| 181 | port_data *sine; |
| 182 | |
| 183 | PJ_ASSERT_RETURN(pool && channel_count > 0 && channel_count <= 2, |
| 184 | PJ_EINVAL); |
| 185 | |
| 186 | port = pj_pool_zalloc(pool, sizeof(pjmedia_port)); |
| 187 | PJ_ASSERT_RETURN(port != NULL, PJ_ENOMEM); |
| 188 | |
| 189 | /* Fill in port info. */ |
| 190 | port->info.bits_per_sample = 16; |
| 191 | port->info.channel_count = channel_count; |
| 192 | port->info.encoding_name = pj_str("pcm"); |
| 193 | port->info.has_info = 1; |
| 194 | port->info.name = pj_str("sine generator"); |
| 195 | port->info.need_info = 0; |
| 196 | port->info.pt = 0xFF; |
| 197 | port->info.clock_rate = sampling_rate; |
| 198 | port->info.samples_per_frame = sampling_rate * SINE_PTIME / 1000 * channel_count; |
| 199 | port->info.bytes_per_frame = port->info.samples_per_frame * 2; |
| 200 | port->info.type = PJMEDIA_TYPE_AUDIO; |
| 201 | |
| 202 | /* Set the function to feed frame */ |
| 203 | port->get_frame = &sine_get_frame; |
| 204 | |
| 205 | /* Create sine port data */ |
| 206 | port->user_data = sine = pj_pool_zalloc(pool, sizeof(port_data)); |
| 207 | |
| 208 | /* Create samples */ |
| 209 | count = port->info.samples_per_frame / channel_count; |
| 210 | sine->samples = pj_pool_alloc(pool, count * sizeof(pj_int16_t)); |
| 211 | PJ_ASSERT_RETURN(sine->samples != NULL, PJ_ENOMEM); |
| 212 | |
| 213 | /* initialise sinusoidal wavetable */ |
| 214 | for( i=0; i<count; i++ ) |
| 215 | { |
| 216 | sine->samples[i] = (pj_int16_t) (10000.0 * |
| 217 | sin(((double)i/(double)count) * M_PI * 8.) ); |
| 218 | } |
| 219 | |
| 220 | *p_port = port; |
| 221 | |
| 222 | return PJ_SUCCESS; |
| 223 | } |
| 224 | |
| 225 | int main() |
| 226 | { |
| 227 | pj_caching_pool cp; |
| 228 | pjmedia_endpt *med_endpt; |
| 229 | pj_pool_t *pool; |
| 230 | pjmedia_conf *conf; |
| 231 | int i; |
| 232 | pjmedia_port *sine_port[SINE_COUNT], *null_port, *conf_port; |
| 233 | pjmedia_port *nulls[NULL_COUNT]; |
| 234 | unsigned null_slots[NULL_COUNT]; |
| 235 | pjmedia_master_port *master_port; |
| 236 | pj_status_t status; |
| 237 | |
| 238 | |
| 239 | pj_log_set_level(3); |
| 240 | |
| 241 | status = pj_init(); |
| 242 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 243 | |
| 244 | pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0); |
| 245 | pool = pj_pool_create( &cp.factory, /* pool factory */ |
| 246 | "wav", /* pool name. */ |
| 247 | 4000, /* init size */ |
| 248 | 4000, /* increment size */ |
| 249 | NULL /* callback on error */ |
| 250 | ); |
| 251 | |
| 252 | status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt); |
| 253 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 254 | |
| 255 | |
| 256 | |
| 257 | status = pjmedia_conf_create( pool, |
| 258 | PORT_COUNT, |
| 259 | CLOCK_RATE, |
| 260 | 1, SAMPLES_PER_FRAME, 16, |
| 261 | PJMEDIA_CONF_NO_DEVICE, |
| 262 | &conf); |
| 263 | if (status != PJ_SUCCESS) { |
| 264 | app_perror(THIS_FILE, "Unable to create conference bridge", status); |
| 265 | return 1; |
| 266 | } |
| 267 | |
| 268 | /* Create Null ports */ |
| 269 | for (i=0; i<NULL_COUNT; ++i) { |
| 270 | status = pjmedia_null_port_create(pool, CLOCK_RATE, 1, SAMPLES_PER_FRAME*2, 16, &nulls[i]); |
| 271 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 272 | |
| 273 | status = pjmedia_conf_add_port(conf, pool, nulls[i], NULL, &null_slots[i]); |
| 274 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 275 | } |
| 276 | |
| 277 | /* Create sine ports. */ |
| 278 | for (i=0; i<SINE_COUNT; ++i) { |
| 279 | unsigned j, slot; |
| 280 | |
| 281 | /* Load the WAV file to file port. */ |
| 282 | status = create_sine_port(pool, SINE_CLOCK, 1, &sine_port[i]); |
| 283 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 284 | |
| 285 | /* Add the file port to conference bridge */ |
| 286 | status = pjmedia_conf_add_port( conf, /* The bridge */ |
| 287 | pool, /* pool */ |
| 288 | sine_port[i], /* port to connect */ |
| 289 | NULL, /* Use port's name */ |
| 290 | &slot /* ptr for slot # */ |
| 291 | ); |
| 292 | if (status != PJ_SUCCESS) { |
| 293 | app_perror(THIS_FILE, "Unable to add conference port", status); |
| 294 | return 1; |
| 295 | } |
| 296 | |
| 297 | status = pjmedia_conf_connect_port(conf, slot, 0, 0); |
| 298 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 299 | |
| 300 | for (j=0; j<NULL_COUNT; ++j) { |
| 301 | status = pjmedia_conf_connect_port(conf, slot, null_slots[j], 0); |
| 302 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | /* Create idle ports */ |
| 307 | for (i=0; i<IDLE_COUNT; ++i) { |
| 308 | pjmedia_port *dummy; |
| 309 | status = pjmedia_null_port_create(pool, CLOCK_RATE, 1, SAMPLES_PER_FRAME, 16, &dummy); |
| 310 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 311 | status = pjmedia_conf_add_port(conf, pool, dummy, NULL, NULL); |
| 312 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 313 | } |
| 314 | |
| 315 | /* Create null port */ |
| 316 | status = pjmedia_null_port_create(pool, CLOCK_RATE, 1, SAMPLES_PER_FRAME, 16, |
| 317 | &null_port); |
| 318 | PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); |
| 319 | |
| 320 | conf_port = pjmedia_conf_get_master_port(conf); |
| 321 | |
| 322 | /* Create master port */ |
| 323 | status = pjmedia_master_port_create(pool, null_port, conf_port, 0, &master_port); |
| 324 | |
| 325 | |
| 326 | pjmedia_master_port_start(master_port); |
| 327 | |
| 328 | puts("Waiting to settle.."); fflush(stdout); |
| 329 | pj_thread_sleep(5000); |
| 330 | |
| 331 | |
| 332 | benchmark(); |
| 333 | |
| 334 | |
| 335 | /* Done. */ |
| 336 | return 0; |
| 337 | } |
| 338 | |
| 339 | |