test/audio_io_test.c

   1 /*
   2 * Copyright (c) 2023 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <unistd.h>
  21 #include <math.h>
  22 #include <pthread.h>
  23 #include <sound_manager.h>
  24 #include <sound_manager_internal.h>
  25 #include <audio_io.h>
  26 #include <time.h>
  27
  28 #ifndef M_PI
  29 #define M_PI  (3.14159265)
  30 #endif
  31
  32 #define TABLE_SIZE   (200)
  33
  34 typedef struct {
  35         float sine[TABLE_SIZE];
  36         int left_channel;
  37         int right_channel;
  38 } test_wav_t;
  39
  40 test_wav_t test_wav;
  41
  42 static int ch_table[] = { 0, AUDIO_CHANNEL_MONO, AUDIO_CHANNEL_STEREO,
  43                           AUDIO_CHANNEL_MULTI_3, AUDIO_CHANNEL_MULTI_4, AUDIO_CHANNEL_MULTI_5,
  44                           AUDIO_CHANNEL_MULTI_6, AUDIO_CHANNEL_MULTI_7, AUDIO_CHANNEL_MULTI_8,
  45                           AUDIO_CHANNEL_MULTI_9, AUDIO_CHANNEL_MULTI_10, AUDIO_CHANNEL_MULTI_11,
  46                           AUDIO_CHANNEL_MULTI_12, AUDIO_CHANNEL_MULTI_13, AUDIO_CHANNEL_MULTI_14,
  47                           AUDIO_CHANNEL_MULTI_15, AUDIO_CHANNEL_MULTI_16 };
  48 static char *state_str[] = { "IDLE", "RUNNING", "PAUSED" };
  49
  50 static void _audio_in_state_cb(audio_in_h handle, audio_io_state_e previous, audio_io_state_e current,
  51                                                                 bool by_policy, void *user_data)
  52 {
  53         printf(">>> _audio_in_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
  54                         handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
  55 }
  56
  57 static void _audio_out_state_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current,
  58                                                                 bool by_policy, void *user_data)
  59 {
  60         printf(">>> _audio_out_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
  61                         handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
  62 }
  63
  64 static void _play_file(char *file, int length, int num, int ch)
  65 {
  66         int i = 0;
  67         int ret = 0;
  68         int total_length = length * num;
  69         audio_out_h output;
  70         FILE *fp = fopen(file, "r");
  71         if (fp == NULL) {
  72                 printf("fopen failed\n");
  73                 return;
  74         }
  75
  76         char *buf = malloc(total_length);
  77         if (buf == NULL) {
  78                 printf("malloc failed\n");
  79                 fclose(fp);
  80                 return;
  81         }
  82
  83         printf("# start to play [%s][%d][%d]\n", file, total_length, ch);
  84         printf(" > create\n");
  85         audio_out_create_new(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
  86         if (fread(buf, 1, total_length, fp) != total_length)
  87                 printf("error!!!!\n");
  88
  89         ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
  90         if (ret != AUDIO_IO_ERROR_NONE) {
  91                 printf("audio_out_set_state_changed_cb failed. \n");
  92         }
  93
  94         printf("  > prepare\n");
  95         audio_out_prepare(output);
  96
  97         char *pbuf = buf;
  98         for (i = 0; i < num; i++) {
  99                 printf("### write = (%d/%d) ============== \n", i, num);
 100                 audio_out_write(output, pbuf, length);
 101                 pbuf += length;
 102
 103         }
 104         printf("  < unprepare\n");
 105         audio_out_drain(output);
 106         audio_out_unprepare(output);
 107
 108         printf(" < destroy\n");
 109         audio_out_destroy(output);
 110
 111         fclose(fp);
 112         free(buf);
 113
 114         printf("# play done\n");
 115 }
 116
 117 #define DUMP_FILE "/root/test.raw"
 118
 119 FILE *fp = NULL;
 120
 121 static void _audio_out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data)
 122 {
 123         char *buf = NULL;
 124         int read_bytes = 0;
 125         int written = 0;
 126
 127         if (fp == NULL) {
 128                 printf("FILE is NULL\n");
 129                 return;
 130         }
 131
 132         buf = (char *)malloc(nbytes);
 133         if (!buf) {
 134                 printf("malloc(%zu) failed\n", nbytes);
 135                 return;
 136         }
 137
 138         read_bytes = fread(buf, 1, nbytes, fp);
 139
 140         written = audio_out_write(handle, buf, read_bytes);
 141         printf("written : %6d/%6d (requested %zu)\n", written, read_bytes, nbytes);
 142
 143         if (read_bytes < nbytes) {
 144                 printf("EOS!!!!\n");
 145                 fclose(fp);
 146                 fp = NULL;
 147         }
 148         free(buf);
 149 }
 150
 151 static void _play_file_sample_async(char *file, int frequency, int ch, int type)
 152 {
 153         audio_out_h output;
 154         int file_size = 0;
 155
 156         if (ch < 0 || ch > 2)
 157                 ch = 0;
 158
 159         fp = fopen(file, "r");
 160         if (fp == NULL) {
 161                 printf("open failed\n");
 162                 return;
 163         }
 164         printf("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
 165         audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
 166
 167         audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 168         audio_out_set_stream_cb(output, _audio_out_stream_cb, fp);
 169         audio_out_prepare(output);
 170
 171         while (fp) {
 172                 usleep(10000); /* 10ms */
 173         }
 174
 175         printf("FINISHED!!!\n");
 176
 177         audio_out_unprepare(output);
 178         audio_out_destroy(output);
 179
 180         printf("play done\n");
 181 }
 182
 183 static void _play_file_sample_sync(char *file, int frequency, int ch, int type)
 184 {
 185         audio_out_h output;
 186         long file_size = 0;
 187         size_t read_bytes = 0;
 188         int buffer_size = 0;
 189         char *buf = NULL;
 190         FILE *fp = NULL;
 191         int i = 0;
 192
 193         if (ch < 0 || ch > 2)
 194                 ch = 0;
 195
 196         fp = fopen(file, "r");
 197         if (fp == NULL) {
 198                 printf("open failed\n");
 199                 return;
 200         }
 201         /* Get the size */
 202         fseek(fp, 0, SEEK_END);
 203         file_size = ftell(fp);
 204         fseek(fp, 0, SEEK_SET);
 205
 206         printf("Play [%s] of size [%ld] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
 207         audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
 208
 209         audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 210         audio_out_prepare(output);
 211
 212         audio_out_get_buffer_size(output, &buffer_size);
 213         buf = (char *)calloc(buffer_size, sizeof(char));
 214         if (buf == NULL) {
 215                 printf("malloc failed\n");
 216                 goto EXIT;
 217         }
 218
 219         printf("Press any key to continue....\n");
 220         getchar();
 221         printf("Start to read[%d] from file and write : \n", buffer_size);
 222
 223         while (file_size > 0) {
 224                 read_bytes = fread(buf, 1, buffer_size, fp);
 225
 226                 printf(".");
 227                 if (++i % 10 == 0)
 228                         printf("|");
 229                 if (i % 100 == 0) {
 230                         printf("\n");
 231                         i = 0;
 232                 }
 233
 234                 if (read_bytes != buffer_size) {
 235                         if (feof(fp)) {
 236                                 printf("\n EOS! this is a last buffer! \n");
 237                         } else if (ferror(fp)) {
 238                                 printf("\n Error!\n");
 239                                 break;
 240                         }
 241                 }
 242
 243                 audio_out_write(output, buf, (unsigned int)read_bytes);
 244
 245                 file_size -= (long)read_bytes;
 246                 usleep(10000);
 247         }
 248
 249 EXIT:
 250         printf("\n Cleanup now!\n");
 251         audio_out_unprepare(output);
 252         audio_out_destroy(output);
 253
 254         if (buf)
 255                 free(buf);
 256         if (fp)
 257                 fclose(fp);
 258
 259         printf("Play done\n");
 260 }
 261
 262 static int _record_and_play(int length, int num, int ch)
 263 {
 264         int ret, size, i;
 265         audio_in_h input = NULL;
 266         FILE *fp = NULL;
 267         char *buffer = NULL;
 268
 269         ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input);
 270         if (ret != AUDIO_IO_ERROR_NONE) {
 271                 printf("audio in create error = 0x%x\n", ret);
 272                 return -1;
 273         }
 274
 275         ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 276         if (ret != AUDIO_IO_ERROR_NONE) {
 277                 printf("audio_in_set_state_changed_cb failed. \n");
 278                 goto error;
 279         }
 280
 281         ret = audio_in_prepare(input);
 282         if (ret != AUDIO_IO_ERROR_NONE) {
 283                 printf("ERROR, prepare\n");
 284                 goto error;
 285         }
 286
 287         fp = fopen(DUMP_FILE, "wb+");
 288         if (fp == NULL) {
 289                 printf("ERROR, file open failed\n");
 290                 goto error;
 291         }
 292
 293         ret = audio_in_get_buffer_size(input, &size);
 294         if (ret != AUDIO_IO_ERROR_NONE) {
 295                 printf("ERROR, prepare\n");
 296                 goto error;
 297         }
 298
 299         size = length;
 300         buffer = alloca(size);
 301
 302         for (i = 0; i < num; i++) {
 303                 printf("### read = (%d/%d) ============== ", i, num);
 304                 if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 305                         fwrite(buffer, size, sizeof(char), fp);
 306                         printf("PASS, size=%d, ret=0x%x\n", size, ret);
 307                 } else {
 308                         printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 309                 }
 310         }
 311
 312         fclose(fp);
 313
 314         audio_in_unprepare(input);
 315         audio_in_destroy(input);
 316
 317         _play_file(DUMP_FILE, length, num, ch);
 318
 319         return 0;
 320
 321 error:
 322         audio_in_destroy(input);
 323         if (fp)
 324                 fclose(fp);
 325         return -1;
 326 }
 327
 328 static int _direct_loopback()
 329 {
 330         int ret, size;
 331         audio_in_h input = NULL;
 332         audio_out_h output = NULL;
 333         char *buffer = NULL;
 334         int i = 0;
 335
 336         ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 337         if (ret != AUDIO_IO_ERROR_NONE) {
 338                 printf("audio_in_create_ex failed. \n");
 339                 return ret;
 340         }
 341         ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 342         if (ret != AUDIO_IO_ERROR_NONE) {
 343                 printf("audio_out_create_new failed. \n");
 344                 goto exit;
 345         }
 346
 347         ret = audio_in_prepare(input);
 348         if (ret != 0) {
 349                 printf("audio_in_prepare failed, err(0x%x)\n", ret);
 350                 goto exit;
 351         }
 352
 353         ret = audio_in_get_buffer_size(input, &size);
 354         if (ret != AUDIO_IO_ERROR_NONE) {
 355                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 356                 goto exit;
 357         }
 358
 359         printf("size(%d)\n", size);
 360         buffer = alloca(size);
 361
 362         ret = audio_out_prepare(output);
 363         if (ret != 0) {
 364                 printf("audio_out_prepare failed, err(0x%x)\n", ret);
 365                 goto exit;
 366         }
 367
 368         if (buffer == NULL) {
 369                 printf("buffer is null\n");
 370                 ret = -1;
 371                 goto exit;
 372         }
 373
 374         printf("Start to loopback(read/write) with [16kHz/MONO/S16LE]!!!\n");
 375
 376         while (1) {
 377                 ret = audio_in_read(input, (void *)buffer, size);
 378                 if (ret > AUDIO_IO_ERROR_NONE) {
 379                         ret = audio_out_write(output, buffer, size);
 380                         if (ret > AUDIO_IO_ERROR_NONE) {
 381                                 printf(".");
 382                                 i++;
 383                                 if (i % 10 == 0)
 384                                         printf("|");
 385                                 if (i % 100 == 0) {
 386                                         printf("\n");
 387                                         i = 0;
 388                                 }
 389                         } else {
 390                                 printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
 391                         }
 392                 } else {
 393                         printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
 394                 }
 395                 usleep(10000);
 396         }
 397
 398 exit:
 399         if (input)
 400                 audio_in_destroy(input);
 401         if (output)
 402                 audio_out_destroy(output);
 403
 404         return ret;
 405
 406 }
 407
 408 audio_in_h input;
 409 audio_out_h output;
 410
 411 FILE *fp_w = NULL;
 412
 413 sound_stream_info_h g_stream_info_read_h = NULL;
 414 sound_stream_info_h g_stream_info_write_h = NULL;
 415
 416 static void _focus_cb(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask,
 417                                         sound_stream_focus_state_e focus_state,
 418                                         sound_stream_focus_change_reason_e reason_for_change, int sound_behavior,
 419                                         const char *additional_info, void *user_data)
 420 {
 421         printf("*** focus_callback_read is called, stream_info(%p, read(%p)/write(%p)) ***\n",
 422                         stream_info, g_stream_info_read_h, g_stream_info_write_h);
 423         printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n",
 424                         reason_for_change, additional_info, user_data);
 425         printf(" - focus_state is :%d \n", focus_state);
 426
 427         return;
 428 }
 429
 430 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
 431 {
 432         const void *buffer = NULL;
 433         unsigned int len = (unsigned int)nbytes;
 434
 435         if (len == 0)
 436                 return;
 437
 438         audio_in_peek(handle, &buffer, &len);
 439         if (fp_w)
 440                 fwrite(buffer, sizeof(char), len, fp_w);
 441         audio_in_drop(handle);
 442 }
 443
 444 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
 445 {
 446         short *buffer = NULL;
 447         size_t i = 0;
 448
 449         if (nbytes == 0)
 450                 return;
 451
 452         buffer = (short *)malloc(nbytes);
 453         if (buffer == NULL) {
 454                 printf("malloc failed\n");
 455                 return;
 456         }
 457         memset(buffer, 0, nbytes);
 458
 459         for (i = 0; i < nbytes / 2; i += 2) {
 460                 buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
 461                 buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel]; /* right */
 462                 test_wav.left_channel += 1;
 463                 if (test_wav.left_channel >= TABLE_SIZE)
 464                         test_wav.left_channel -= TABLE_SIZE;
 465                 test_wav.right_channel += 3;
 466                 if (test_wav.right_channel >= TABLE_SIZE)
 467                         test_wav.right_channel -= TABLE_SIZE;
 468         }
 469
 470         audio_out_write(handle, buffer, nbytes);
 471
 472         free(buffer);
 473 }
 474
 475 int _convert_cmd_and_run(char cmd, int mode)
 476 {
 477         int ret = 0;
 478         switch (cmd) {
 479         case 'P':
 480                 if (mode & 0x01)
 481                         ret = audio_out_prepare(output);
 482                 if (mode & 0x02)
 483                         ret = audio_in_prepare(input);
 484                 break;
 485         case 'u':
 486                 if (mode & 0x01)
 487                         ret = audio_out_unprepare(output);
 488                 if (mode & 0x02)
 489                         ret = audio_in_unprepare(input);
 490                 break;
 491         case 'p':
 492                 if (mode & 0x01)
 493                         ret = audio_out_pause(output);
 494                 if (mode & 0x02)
 495                         ret = audio_in_pause(input);
 496                 break;
 497         case 'r':
 498                 if (mode & 0x01)
 499                         ret = audio_out_resume(output);
 500                 if (mode & 0x02)
 501                         ret = audio_in_resume(input);
 502                 break;
 503         case 'd':
 504                 if (mode & 0x01)
 505                         ret = audio_out_drain(output);
 506                 break;
 507         case 'f':
 508                 if (mode & 0x01)
 509                         ret = audio_out_flush(output);
 510                 if (mode & 0x02)
 511                         ret = audio_in_flush(input);
 512                 break;
 513         case 'i':
 514                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
 515                 if (ret)
 516                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 517                 break;
 518         case 'q': /* quit */
 519                 ret = 1;
 520                 break;
 521         default:
 522                 ret = 1;
 523                 break;
 524         }
 525         return ret;
 526 }
 527
 528 int audio_io_async_test(int mode)
 529 {
 530         int ret, size;
 531         char *buffer = NULL;
 532         int i = 0;
 533
 534         char cmd = 0;
 535         int cmd_ret;
 536
 537         int write_mode = (mode & 0x01);
 538         int read_mode = (mode & 0x02);
 539
 540         sound_stream_focus_state_e playback_focus_state;
 541         sound_stream_focus_state_e recording_focus_state;
 542
 543         if ((write_mode == 0) && (read_mode == 0)) {
 544                 printf("not vaild mode.\n");
 545                 return 0;
 546         }
 547
 548         if (read_mode) {
 549
 550                 printf("audio_in_create\n");
 551                 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 552                 if (ret != AUDIO_IO_ERROR_NONE) {
 553                         printf("audio_in_create_ex failed. \n");
 554                         return 0;
 555                 }
 556                 printf("audio_in_create success!!! [%p]\n", input);
 557
 558                 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
 559                 if (ret != AUDIO_IO_ERROR_NONE) {
 560                         printf("audio_in_set_stream_cb failed. \n");
 561                         goto EXIT;
 562                 }
 563                 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
 564
 565                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 566                 if (ret != AUDIO_IO_ERROR_NONE) {
 567                         printf("audio_out_set_state_changed_cb failed. \n");
 568                         goto EXIT;
 569                 }
 570                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
 571
 572                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_read_h);
 573                 if (ret) {
 574                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 575                         goto EXIT;
 576                 }
 577                 ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
 578                 if (ret)
 579                         printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
 580
 581                 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 582                 if (ret) {
 583                         printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
 584                         goto EXIT;
 585                 }
 586
 587                 fp_w = fopen("/tmp/pcm_w.raw", "w");
 588         }
 589
 590         if (write_mode) {
 591                 printf("before audio_out_create_new\n");
 592                 getchar();
 593
 594                 printf("audio_out_create_new\n");
 595                 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 596                 if (ret != AUDIO_IO_ERROR_NONE) {
 597                         printf("audio_out_create_new failed. \n");
 598                         goto EXIT;
 599                 }
 600                 printf("audio_out_create_new success!!! [%p]\n", output);
 601
 602                 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
 603                 if (ret != AUDIO_IO_ERROR_NONE) {
 604                         printf("audio_out_set_stream_cb failed. \n");
 605                         goto EXIT;
 606                 }
 607                 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
 608
 609                 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 610                 if (ret != AUDIO_IO_ERROR_NONE) {
 611                         printf("audio_out_set_state_changed_cb failed. \n");
 612                         goto EXIT;
 613                 }
 614                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
 615
 616                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
 617                 if (ret) {
 618                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 619                         goto EXIT;
 620                 }
 621
 622                 ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
 623                 if (ret)
 624                         printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
 625
 626                 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 627                 if (ret) {
 628                         printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
 629                         goto EXIT;
 630                 }
 631
 632                 /* generate wave data */
 633                 for (i = 0; i < TABLE_SIZE; i++)
 634                         test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
 635                 test_wav.left_channel = test_wav.right_channel = 0;
 636         }
 637
 638         if (read_mode) {
 639                 printf("before audio_in_prepare\n");
 640                 getchar();
 641                 printf("audio_in_prepare\n");
 642                 ret = audio_in_prepare(input);
 643                 if (ret != 0) {
 644                         printf("audio_in_prepare failed, err(0x%x)\n", ret);
 645                         audio_in_destroy(input);
 646                         goto EXIT;
 647                 } else {
 648                         ret = audio_in_get_buffer_size(input, &size);
 649                         if (ret != AUDIO_IO_ERROR_NONE) {
 650                                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 651                                 goto EXIT;
 652                         } else {
 653                                 printf("size(%d)\n", size);
 654                                 buffer = alloca(size);
 655                         }
 656                 }
 657
 658                 if (buffer == NULL) {
 659                         printf("buffer is null\n");
 660                         goto EXIT;
 661                 }
 662         }
 663
 664         if (write_mode) {
 665                 printf("before audio_out_prepare\n");
 666                 getchar();
 667                 printf("audio_out_prepare\n");
 668                 ret = audio_out_prepare(output);
 669                 if (ret != 0) {
 670                         printf("audio_out_prepare failed, err(0x%x)\n", ret);
 671                         audio_out_destroy(output);
 672                         goto EXIT;
 673                 }
 674         }
 675
 676         do {
 677                 printf("command(q:quit) : ");
 678                 ret = getchar();
 679                 if (ret == EOF)
 680                         goto EXIT;
 681                 cmd = (char)ret;
 682                 if (cmd != '\n')
 683                         getchar();
 684                 cmd_ret = _convert_cmd_and_run(cmd, mode);
 685                 printf("  - result code : %d\n", cmd_ret);
 686         } while (cmd != 'q');
 687
 688 EXIT:
 689         if (read_mode) {
 690                 if (input) {
 691                         printf("audio_in_unprepare\n");
 692                         audio_in_unprepare(input);
 693                         printf("audio_in_destroy\n");
 694                         audio_in_destroy(input);
 695                         input = NULL;
 696                 }
 697
 698                 if (fp_w) {
 699                         fclose(fp_w);
 700                         fp_w = NULL;
 701                 }
 702
 703                 if (g_stream_info_read_h) {
 704                         ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
 705                         if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 706                                 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 707                                 if (ret)
 708                                         printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
 709                         }
 710                         ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
 711                         if (ret)
 712                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 713                         g_stream_info_read_h = NULL;
 714                 }
 715         }
 716
 717         if (write_mode) {
 718                 if (output) {
 719                         printf("audio_out_unprepare\n");
 720                         audio_out_unprepare(output);
 721                         printf("audio_out_destroy\n");
 722                         audio_out_destroy(output);
 723                 }
 724
 725                 if (g_stream_info_write_h) {
 726                         ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
 727                         if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 728                                 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 729                                 if (ret)
 730                                         printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
 731                         }
 732                         ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
 733                         if (ret)
 734                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 735                         g_stream_info_write_h = NULL;
 736                 }
 737         }
 738
 739         return 0;
 740 }
 741
 742 #define THREAD_MAX 10
 743 #define TEST_COUNT 500
 744 static void *thread_stress_test_audio_in(void *data)
 745 {
 746         int i, j;
 747         int rate;
 748         char *buf;
 749         int buffer_size;
 750         audio_channel_e ch;
 751         audio_sample_type_e type;
 752         unsigned int seed = (unsigned int)time(NULL);
 753
 754         audio_in_h input = (audio_in_h)data;
 755
 756         audio_in_prepare(input);
 757         audio_in_get_buffer_size(input, &buffer_size);
 758         buf = (char *)malloc(buffer_size);
 759         if (buf == NULL) {
 760                 printf("malloc failed\n");
 761                 goto EXIT;
 762         }
 763
 764         for (i=0; i<TEST_COUNT; i++) {
 765                 switch (rand_r(&seed) % 8) {
 766                         case 0:
 767                                 audio_in_prepare(input);
 768                                 break;
 769                         case 1:
 770                                 audio_in_read(input, buf, buffer_size);
 771                                 break;
 772                         case 2:
 773                                 audio_in_pause(input);
 774                                 break;
 775                         case 3:
 776                                 audio_in_resume(input);
 777                                 break;
 778                         case 4:
 779                                 audio_in_flush(input);
 780                                 break;
 781                         case 5:
 782                                 audio_in_unprepare(input);
 783                                 break;
 784                         case 6:
 785                                 audio_in_prepare(input);
 786                                 for  (j = 0; j < 10; j++)
 787                                         audio_in_read(input, buf, buffer_size);
 788                                 break;
 789                         case 7:
 790                                 audio_in_get_buffer_size(input, &buffer_size);
 791                                 audio_in_get_sample_rate(input, &rate);
 792                                 audio_in_get_channel(input, &ch);
 793                                 audio_in_get_sample_type(input, &type);
 794                                 break;
 795                         default:
 796                                 break;
 797                 }
 798                 if ((i % (TEST_COUNT/10)) == 0)
 799                         printf("audio_in: %x thread. count(%d/%d)\n", (int)pthread_self(), i, TEST_COUNT);
 800         }
 801         audio_in_unprepare(input);
 802
 803 EXIT:
 804         if (buf) {
 805                 free(buf);
 806                 buf = NULL;
 807         }
 808
 809         pthread_exit(0);
 810 }
 811
 812 static void *thread_stress_test_audio_out(void *data)
 813 {
 814         int i, j;
 815         int rate;
 816         char *buf;
 817         int buffer_size;
 818         audio_channel_e ch;
 819         audio_sample_type_e type;
 820         unsigned int seed = (unsigned int)time(NULL);
 821
 822         audio_out_h output = (audio_out_h)data;
 823
 824         srand(time(NULL));
 825
 826         audio_out_get_buffer_size(output, &buffer_size);
 827
 828         buf = (char *)malloc(buffer_size);
 829         if (buf == NULL) {
 830                 printf("malloc failed\n");
 831                 goto EXIT;
 832         }
 833
 834         audio_out_prepare(output);
 835         for (i = 0; i < TEST_COUNT; i++) {
 836                 switch (rand_r(&seed) % 9) {
 837                         case 0:
 838                                 audio_out_prepare(output);
 839                                 break;
 840                         case 1:
 841                                 audio_out_write(output, buf, buffer_size);
 842                                 break;
 843                         case 2:
 844                                 audio_out_pause(output);
 845                                 break;
 846                         case 3:
 847                                 audio_out_resume(output);
 848                                 break;
 849                         case 4:
 850                                 audio_out_drain(output);
 851                                 break;
 852                         case 5:
 853                                 audio_out_flush(output);
 854                                 break;
 855                         case 6:
 856                                 audio_out_write(output, buf, buffer_size);
 857                                 break;
 858                         case 7:
 859                                 audio_out_prepare(output);
 860                                 for  (j = 0; j < 10; j++)
 861                                         audio_out_write(output, buf, buffer_size);
 862                                 break;
 863                         case 8:
 864                                 audio_out_get_buffer_size(output, &buffer_size);
 865                                 audio_out_get_sample_rate(output, &rate);
 866                                 audio_out_get_channel(output, &ch);
 867                                 audio_out_get_sample_type(output, &type);
 868                                 break;
 869                         default:
 870                                 break;
 871                 }
 872                 if ((i % (TEST_COUNT/10)) == 0)
 873                         printf("audio_out: %x thread. count(%d/%d)\n", (int)pthread_self(), i, TEST_COUNT);
 874         }
 875         audio_out_unprepare(output);
 876
 877 EXIT:
 878         if (buf)
 879                 free(buf);
 880
 881         pthread_exit(0);
 882 }
 883
 884 #define OUT_HANDLE_MAX  1000
 885 #define IN_HANDLE_MAX   10
 886 void audio_io_test_handle_max()
 887 {
 888         audio_out_h output[OUT_HANDLE_MAX] = { 0, };
 889         audio_in_h input[IN_HANDLE_MAX] = { 0, };
 890         int i;
 891         int success = 0;
 892         int ret;
 893
 894         printf("==============================================\n");
 895         printf("playback handle creation test. try to create %d handles\n", OUT_HANDLE_MAX);
 896         for (i = 0; i < OUT_HANDLE_MAX; i++) {
 897                 ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[i]);
 898                 if (ret != AUDIO_IO_ERROR_NONE) {
 899                         printf("audio_out_create_new failed.\n");
 900                         return;
 901                 }
 902
 903                 ret = audio_out_prepare(output[i]);
 904                 if (ret == AUDIO_IO_ERROR_NONE)
 905                         success++;
 906         }
 907         printf("created handle (%d/%d)\n", success, OUT_HANDLE_MAX);
 908
 909         for (i = 0; i < OUT_HANDLE_MAX; i++)
 910                 audio_out_destroy(output[i]);
 911
 912         /* pulseaudio oom when IN_HANDLE_MAX is set over 50 */
 913         printf("capture handle creation test. try to create %d handles\n", IN_HANDLE_MAX);
 914         success = 0;
 915         for (i = 0; i < IN_HANDLE_MAX; i++) {
 916                 ret = audio_in_create(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input[i]);
 917                 if (ret != AUDIO_IO_ERROR_NONE) {
 918                         printf("audio_in_create_new failed.\n");
 919                         return;
 920                 }
 921
 922                 ret = audio_in_prepare(input[i]);
 923                 if (ret == AUDIO_IO_ERROR_NONE)
 924                         success++;
 925         }
 926         printf("created handle (%d/%d)\n", success, IN_HANDLE_MAX);
 927
 928         for (i = 0; i < IN_HANDLE_MAX; i++)
 929                 audio_in_destroy(input[i]);
 930 }
 931
 932 int audio_io_test_read_write()
 933 {
 934         int i;
 935         int ret;
 936         audio_out_h output[2];
 937         audio_in_h input;
 938
 939         int status;
 940         pthread_t t[THREAD_MAX];
 941
 942         void out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data) {
 943                 char * buf = (char *)malloc(nbytes);
 944                 if (!buf) {
 945                         printf("malloc(%zu) failed\n", nbytes);
 946                         return;
 947                 }
 948                 audio_out_write(handle, buf, nbytes);
 949                 free(buf);
 950                 return;
 951         }
 952
 953         void in_stream_cb(audio_in_h handle, size_t nbytes, void *user_data) {
 954                 void* buf = NULL;
 955                 unsigned int size = (unsigned int)nbytes;
 956
 957                 audio_in_peek(handle, (const void **)buf, &size);
 958                 audio_in_drop(handle);
 959                 return;
 960         }
 961
 962         void state_changed_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data) {
 963                 return;
 964         }
 965
 966         /* audio_out sync */
 967         ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[0]);
 968         if (ret != AUDIO_IO_ERROR_NONE) {
 969                 printf("audio_out_create_new failed. \n");
 970                 return 0;
 971         }
 972         audio_out_set_state_changed_cb(output[0], state_changed_cb, NULL);
 973
 974         /* audio_out async */
 975         ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[1]);
 976         if (ret != AUDIO_IO_ERROR_NONE) {
 977                 printf("audio_out_create_new failed. \n");
 978                 return 0;
 979         }
 980         audio_out_set_stream_cb(output[1], out_stream_cb, NULL);
 981         audio_out_set_state_changed_cb(output[1], state_changed_cb, NULL);
 982
 983         /* audio_in */
 984         ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 985         if (ret != AUDIO_IO_ERROR_NONE) {
 986                 printf("audio in create error = 0x%x\n", ret);
 987                 return -1;
 988         }
 989         audio_in_set_stream_cb(input, in_stream_cb, NULL);
 990
 991         printf("==============================================\n");
 992         printf("audio out sync test\n");
 993         for (i = 0; i < THREAD_MAX; i++)
 994                 pthread_create(&t[i], NULL, thread_stress_test_audio_out, output[0]);
 995
 996         for (i = 0; i < THREAD_MAX; i++) {
 997                 pthread_join(t[i], (void**)&status);
 998                 printf("thread %d finished\n", i);
 999         }
1000
1001         printf("==============================================\n");
1002         printf("audio out async test\n");
1003         for (i = 0; i < THREAD_MAX; i++)
1004                 pthread_create(&t[i], NULL, thread_stress_test_audio_out, output[1]);
1005
1006         for (i = 0; i < THREAD_MAX; i++) {
1007                 pthread_join(t[i], (void**)&status);
1008                 printf("thread %d finished\n", i);
1009         }
1010
1011         printf("==============================================\n");
1012         printf("audio in test\n");
1013         for (i = 0; i < THREAD_MAX; i++)
1014                 pthread_create(&t[i], NULL, thread_stress_test_audio_in, input);
1015
1016         for (i = 0; i < THREAD_MAX; i++) {
1017                 pthread_join(t[i], (void**)&status);
1018                 printf("thread %d finished\n", i);
1019         }
1020
1021         audio_out_destroy(output[0]);
1022         audio_out_destroy(output[1]);
1023         audio_in_destroy(input);
1024
1025         printf("stress test end\n");
1026
1027         return 0;
1028 }
1029
1030 int main(int argc, char **argv)
1031 {
1032         setbuf(stdout, NULL);
1033
1034         if (argc == 2 && !strcmp(argv[1], "loopback")) {
1035                 _direct_loopback();
1036         } else if (argc == 3 && !strcmp(argv[1], "async")) {
1037                 audio_io_async_test(atoi(argv[2]));
1038         } else if (argc == 2 && !strcmp(argv[1], "stress")) {
1039                 audio_io_test_handle_max();
1040                 audio_io_test_read_write();
1041         } else if (argc == 4) {
1042                 int channel_idx = atoi(argv[3]);
1043                 if (channel_idx <= 0 || channel_idx > 16) {
1044                         printf("Invalid channel\n");
1045                         return 0;
1046                 }
1047                 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
1048                 _record_and_play(atoi(argv[1]), atoi(argv[2]), channel_idx);
1049         } else if (argc == 6) {
1050                 if (strcmp(argv[1], "play") == 0)
1051                         _play_file_sample_sync(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
1052                 else if (strcmp(argv[1], "playasync") == 0)
1053                         _play_file_sample_async(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
1054         } else {
1055                 printf("- Usages :\n");
1056                 printf("- # audio_io_test loopback\n");
1057                 printf("- # audio_io_test stress\n");
1058                 printf("- # audio_io_test [length to read] [number of iteration] [channels]\n");
1059                 printf("- # audio_io_test async [write(1) | read(2)]\n");
1060                 printf("- # audio_io_test play [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
1061                 printf("- # audio_io_test playasync [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
1062         }
1063         return 0;
1064 }