test/audio_io_test.c

   1 /*
   2 * Copyright (c) 2015 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 <audio_io.h>
  25 #include <time.h>
  26
  27 #ifndef M_PI
  28 #define M_PI  (3.14159265)
  29 #endif
  30
  31 #define TABLE_SIZE   (200)
  32 typedef struct {
  33         float sine[TABLE_SIZE];
  34         int left_channel;
  35         int right_channel;
  36 } test_wav_t;
  37 test_wav_t test_wav;
  38
  39 static int ch_table[] = { 0, AUDIO_CHANNEL_MONO, AUDIO_CHANNEL_STEREO,
  40                           AUDIO_CHANNEL_MULTI_3, AUDIO_CHANNEL_MULTI_4, AUDIO_CHANNEL_MULTI_5,
  41                           AUDIO_CHANNEL_MULTI_6, AUDIO_CHANNEL_MULTI_7, AUDIO_CHANNEL_MULTI_8 };
  42 static char *state_str[] = { "IDLE", "RUNNING", "PAUSED" };
  43
  44 static void _audio_in_state_cb(audio_in_h handle, audio_io_state_e previous, audio_io_state_e current,
  45                                                                 bool by_policy, void *user_data)
  46 {
  47         printf(">>> _audio_in_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
  48                         handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
  49 }
  50
  51 static void _audio_out_state_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current,
  52                                                                 bool by_policy, void *user_data)
  53 {
  54         printf(">>> _audio_out_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
  55                         handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
  56 }
  57
  58 static void _play_file(char *file, int length, int num, int ch)
  59 {
  60         int i = 0;
  61         int ret = 0;
  62         int total_length = length * num;
  63         audio_out_h output;
  64         FILE *fp = fopen(file, "r");
  65         if (fp == NULL) {
  66                 printf("fopen failed\n");
  67                 return;
  68         }
  69
  70         char *buf = malloc(total_length);
  71         if (buf == NULL) {
  72                 printf("malloc failed\n");
  73                 fclose(fp);
  74                 return;
  75         }
  76
  77         printf("# start to play [%s][%d][%d]\n", file, total_length, ch);
  78         printf(" > create\n");
  79         audio_out_create_new(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
  80         if (fread(buf, 1, total_length, fp) != total_length)
  81                 printf("error!!!!\n");
  82
  83         ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
  84         if (ret != AUDIO_IO_ERROR_NONE) {
  85                 printf("audio_out_set_state_changed_cb failed. \n");
  86         }
  87
  88         printf("  > prepare\n");
  89         audio_out_prepare(output);
  90
  91         char *pbuf = buf;
  92         for (i = 0; i < num; i++) {
  93                 printf("### write = (%d/%d) ============== \n", i, num);
  94                 audio_out_write(output, pbuf, length);
  95                 pbuf += length;
  96
  97         }
  98         printf("  < unprepare\n");
  99         audio_out_drain(output);
 100         audio_out_unprepare(output);
 101
 102         printf(" < destroy\n");
 103         audio_out_destroy(output);
 104
 105         fclose(fp);
 106         free(buf);
 107
 108         printf("# play done\n");
 109 }
 110
 111 #define DUMP_FILE "/root/test.raw"
 112
 113 FILE *fp = NULL;
 114
 115 static void _audio_out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data)
 116 {
 117         char *buf = NULL;
 118         int read_bytes = 0;
 119         int written = 0;
 120
 121         if (fp == NULL) {
 122                 printf("FILE is NULL\n");
 123                 return;
 124         }
 125
 126         buf = (char *)malloc(nbytes);
 127         if (!buf) {
 128                 printf("malloc(%zu) failed\n", nbytes);
 129                 return;
 130         }
 131
 132         read_bytes = fread(buf, 1, nbytes, fp);
 133
 134         written = audio_out_write(handle, buf, read_bytes);
 135         printf("written : %6d/%6d (requested %zu)\n", written, read_bytes, nbytes);
 136
 137         if (read_bytes < nbytes) {
 138                 printf("EOS!!!!\n");
 139                 fclose(fp);
 140                 fp = NULL;
 141         }
 142         free(buf);
 143 }
 144
 145 static void _play_file_sample_async(char *file, int frequency, int ch, int type)
 146 {
 147         audio_out_h output;
 148         int file_size = 0;
 149
 150         if (ch < 0 || ch > 2)
 151                 ch = 0;
 152
 153         fp = fopen(file, "r");
 154         if (fp == NULL) {
 155                 printf("open failed\n");
 156                 return;
 157         }
 158         printf("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
 159         audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
 160
 161         audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 162         audio_out_set_stream_cb(output, _audio_out_stream_cb, fp);
 163         audio_out_prepare(output);
 164
 165         while (fp) {
 166                 usleep(10000); /* 10ms */
 167         }
 168
 169         printf("FINISHED!!!\n");
 170
 171         audio_out_unprepare(output);
 172         audio_out_destroy(output);
 173
 174         printf("play done\n");
 175 }
 176
 177 static void _play_file_sample_sync(char *file, int frequency, int ch, int type)
 178 {
 179         audio_out_h output;
 180         int file_size = 0;
 181         int read_bytes = 0;
 182         int buffer_size = 0;
 183         char *buf = NULL;
 184         FILE *fp = NULL;
 185         int i = 0;
 186
 187         if (ch < 0 || ch > 2)
 188                 ch = 0;
 189
 190         fp = fopen(file, "r");
 191         if (fp == NULL) {
 192                 printf("open failed\n");
 193                 return;
 194         }
 195         /* Get the size */
 196         fseek(fp, 0, SEEK_END);
 197         file_size = ftell(fp);
 198         fseek(fp, 0, SEEK_SET);
 199
 200         printf("Play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
 201         audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
 202
 203         audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 204         audio_out_prepare(output);
 205
 206         audio_out_get_buffer_size(output, &buffer_size);
 207         buf = (char *)malloc(buffer_size);
 208         if (buf == NULL) {
 209                 printf("malloc failed\n");
 210                 goto EXIT;
 211         }
 212
 213         printf("Press any key to continue....\n");
 214         getchar();
 215         printf("Start to read[%d] from file and write : \n", buffer_size);
 216
 217         while (file_size > 0) {
 218                 read_bytes = fread(buf, 1, buffer_size, fp);
 219                 printf(".");
 220                 i++;
 221                 if (i % 10 == 0)
 222                         printf("|");
 223                 if (i % 100 == 0) {
 224                         printf("\n");
 225                         i = 0;
 226                 }
 227                 audio_out_write(output, buf, read_bytes);
 228                 file_size = file_size - read_bytes;
 229                 usleep(10000);
 230         }
 231
 232 EXIT:
 233         audio_out_unprepare(output);
 234         audio_out_destroy(output);
 235
 236         if (buf)
 237                 free(buf);
 238         if (fp)
 239                 fclose(fp);
 240
 241         printf("\nEOS!!!! Play done\n");
 242 }
 243
 244 static int _record_and_play(int length, int num, int ch)
 245 {
 246         int ret, size, i;
 247         audio_in_h input = NULL;
 248         FILE *fp = NULL;
 249         char *buffer = NULL;
 250
 251         ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input);
 252         if (ret != AUDIO_IO_ERROR_NONE) {
 253                 printf("audio in create error = 0x%x\n", ret);
 254                 return -1;
 255         }
 256
 257         ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 258         if (ret != AUDIO_IO_ERROR_NONE) {
 259                 printf("audio_in_set_state_changed_cb failed. \n");
 260                 goto error;
 261         }
 262
 263         ret = audio_in_prepare(input);
 264         if (ret != AUDIO_IO_ERROR_NONE) {
 265                 printf("ERROR, prepare\n");
 266                 goto error;
 267         }
 268
 269         fp = fopen(DUMP_FILE, "wb+");
 270         if (fp == NULL) {
 271                 printf("ERROR, file open failed\n");
 272                 goto error;
 273         }
 274
 275         ret = audio_in_get_buffer_size(input, &size);
 276         if (ret != AUDIO_IO_ERROR_NONE) {
 277                 printf("ERROR, prepare\n");
 278                 goto error;
 279         }
 280
 281         size = length;
 282         buffer = alloca(size);
 283
 284         for (i = 0; i < num; i++) {
 285                 printf("### read = (%d/%d) ============== ", i, num);
 286                 if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 287                         fwrite(buffer, size, sizeof(char), fp);
 288                         printf("PASS, size=%d, ret=0x%x\n", size, ret);
 289                 } else {
 290                         printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 291                 }
 292         }
 293
 294         fclose(fp);
 295
 296         audio_in_unprepare(input);
 297         audio_in_destroy(input);
 298
 299         _play_file(DUMP_FILE, length, num, ch);
 300
 301         return 0;
 302
 303 error:
 304         audio_in_destroy(input);
 305         if (fp)
 306                 fclose(fp);
 307         return -1;
 308 }
 309
 310 static int _direct_loopback()
 311 {
 312         int ret, size;
 313         audio_in_h input = NULL;
 314         audio_out_h output = NULL;
 315         char *buffer = NULL;
 316         int i = 0;
 317
 318         ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 319         if (ret != AUDIO_IO_ERROR_NONE) {
 320                 printf("audio_in_create_ex failed. \n");
 321                 return ret;
 322         }
 323         ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 324         if (ret != AUDIO_IO_ERROR_NONE) {
 325                 printf("audio_out_create_new failed. \n");
 326                 goto exit;
 327         }
 328
 329         ret = audio_in_prepare(input);
 330         if (ret != 0) {
 331                 printf("audio_in_prepare failed, err(0x%x)\n", ret);
 332                 goto exit;
 333         }
 334
 335         ret = audio_in_get_buffer_size(input, &size);
 336         if (ret != AUDIO_IO_ERROR_NONE) {
 337                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 338                 goto exit;
 339         }
 340
 341         printf("size(%d)\n", size);
 342         buffer = alloca(size);
 343
 344         ret = audio_out_prepare(output);
 345         if (ret != 0) {
 346                 printf("audio_out_prepare failed, err(0x%x)\n", ret);
 347                 goto exit;
 348         }
 349
 350         if (buffer == NULL) {
 351                 printf("buffer is null\n");
 352                 ret = -1;
 353                 goto exit;
 354         }
 355
 356         printf("Start to loopback(read/write) with [16kHz/MONO/S16LE]!!!\n");
 357
 358         while (1) {
 359                 ret = audio_in_read(input, (void *)buffer, size);
 360                 if (ret > AUDIO_IO_ERROR_NONE) {
 361                         ret = audio_out_write(output, buffer, size);
 362                         if (ret > AUDIO_IO_ERROR_NONE) {
 363                                 printf(".");
 364                                 i++;
 365                                 if (i % 10 == 0)
 366                                         printf("|");
 367                                 if (i % 100 == 0) {
 368                                         printf("\n");
 369                                         i = 0;
 370                                 }
 371                         } else {
 372                                 printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
 373                         }
 374                 } else {
 375                         printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
 376                 }
 377                 usleep(10000);
 378         }
 379
 380 exit:
 381         if (input)
 382                 audio_in_destroy(input);
 383         if (output)
 384                 audio_out_destroy(output);
 385
 386         return ret;
 387
 388 }
 389
 390 audio_in_h input;
 391 audio_out_h output;
 392
 393 FILE *fp_w = NULL;
 394
 395 sound_stream_info_h g_stream_info_read_h = NULL;
 396 sound_stream_info_h g_stream_info_write_h = NULL;
 397
 398 static void _focus_cb(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask,
 399                                         sound_stream_focus_state_e focus_state,
 400                                         sound_stream_focus_change_reason_e reason_for_change, int sound_behavior,
 401                                         const char *additional_info, void *user_data)
 402 {
 403         printf("*** focus_callback_read is called, stream_info(%p, read(%p)/write(%p)) ***\n",
 404                         stream_info, g_stream_info_read_h, g_stream_info_write_h);
 405         printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n",
 406                         reason_for_change, additional_info, user_data);
 407         printf(" - focus_state is :%d \n", focus_state);
 408
 409         return;
 410 }
 411
 412 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
 413 {
 414         const void *buffer = NULL;
 415         unsigned int len = (unsigned int)nbytes;
 416
 417         if (len == 0)
 418                 return;
 419
 420         audio_in_peek(handle, &buffer, &len);
 421         if (fp_w)
 422                 fwrite(buffer, sizeof(char), len, fp_w);
 423         audio_in_drop(handle);
 424 }
 425
 426 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
 427 {
 428         short *buffer = NULL;
 429         int i = 0;
 430
 431         if (nbytes == 0)
 432                 return;
 433
 434         buffer = (short *)malloc(nbytes);
 435         if (buffer == NULL) {
 436                 printf("malloc failed\n");
 437                 return;
 438         }
 439         memset(buffer, 0, nbytes);
 440
 441         for (i = 0; i < nbytes / 2; i += 2) {
 442                 buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
 443                 buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel]; /* right */
 444                 test_wav.left_channel += 1;
 445                 if (test_wav.left_channel >= TABLE_SIZE)
 446                         test_wav.left_channel -= TABLE_SIZE;
 447                 test_wav.right_channel += 3;
 448                 if (test_wav.right_channel >= TABLE_SIZE)
 449                         test_wav.right_channel -= TABLE_SIZE;
 450         }
 451
 452         audio_out_write(handle, buffer, nbytes);
 453
 454         free(buffer);
 455 }
 456
 457 int _convert_cmd_and_run(char cmd, int mode)
 458 {
 459         int ret = 0;
 460         switch (cmd) {
 461         case 'P':
 462                 if (mode & 0x01)
 463                         ret = audio_out_prepare(output);
 464                 if (mode & 0x02)
 465                         ret = audio_in_prepare(input);
 466                 break;
 467         case 'u':
 468                 if (mode & 0x01)
 469                         ret = audio_out_unprepare(output);
 470                 if (mode & 0x02)
 471                         ret = audio_in_unprepare(input);
 472                 break;
 473         case 'p':
 474                 if (mode & 0x01)
 475                         ret = audio_out_pause(output);
 476                 if (mode & 0x02)
 477                         ret = audio_in_pause(input);
 478                 break;
 479         case 'r':
 480                 if (mode & 0x01)
 481                         ret = audio_out_resume(output);
 482                 if (mode & 0x02)
 483                         ret = audio_in_resume(input);
 484                 break;
 485         case 'd':
 486                 if (mode & 0x01)
 487                         ret = audio_out_drain(output);
 488                 break;
 489         case 'f':
 490                 if (mode & 0x01)
 491                         ret = audio_out_flush(output);
 492                 if (mode & 0x02)
 493                         ret = audio_in_flush(input);
 494                 break;
 495         case 'i':
 496                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
 497                 if (ret)
 498                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 499                 break;
 500         case 'q': /* quit */
 501                 ret = 1;
 502                 break;
 503         default:
 504                 ret = 1;
 505                 break;
 506         }
 507         return ret;
 508 }
 509
 510 int audio_io_async_test(int mode)
 511 {
 512         int ret, size;
 513         char *buffer = NULL;
 514         int i = 0;
 515
 516         char cmd = 0;
 517         int cmd_ret;
 518
 519         int write_mode = (mode & 0x01);
 520         int read_mode = (mode & 0x02);
 521
 522         sound_stream_focus_state_e playback_focus_state;
 523         sound_stream_focus_state_e recording_focus_state;
 524
 525         if ((write_mode == 0) && (read_mode == 0)) {
 526                 printf("not vaild mode.\n");
 527                 return 0;
 528         }
 529
 530         if (read_mode) {
 531
 532                 printf("audio_in_create\n");
 533                 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 534                 if (ret != AUDIO_IO_ERROR_NONE) {
 535                         printf("audio_in_create_ex failed. \n");
 536                         return 0;
 537                 }
 538                 printf("audio_in_create success!!! [%p]\n", input);
 539
 540                 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
 541                 if (ret != AUDIO_IO_ERROR_NONE) {
 542                         printf("audio_in_set_stream_cb failed. \n");
 543                         goto EXIT;
 544                 }
 545                 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
 546
 547                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 548                 if (ret != AUDIO_IO_ERROR_NONE) {
 549                         printf("audio_out_set_state_changed_cb failed. \n");
 550                         goto EXIT;
 551                 }
 552                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
 553
 554                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_read_h);
 555                 if (ret) {
 556                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 557                         goto EXIT;
 558                 }
 559                 ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
 560                 if (ret)
 561                         printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
 562
 563                 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 564                 if (ret) {
 565                         printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
 566                         goto EXIT;
 567                 }
 568
 569                 fp_w = fopen("/tmp/pcm_w.raw", "w");
 570         }
 571
 572         if (write_mode) {
 573                 printf("before audio_out_create_new\n");
 574                 getchar();
 575
 576                 printf("audio_out_create_new\n");
 577                 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 578                 if (ret != AUDIO_IO_ERROR_NONE) {
 579                         printf("audio_out_create_new failed. \n");
 580                         goto EXIT;
 581                 }
 582                 printf("audio_out_create_new success!!! [%p]\n", output);
 583
 584                 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
 585                 if (ret != AUDIO_IO_ERROR_NONE) {
 586                         printf("audio_out_set_stream_cb failed. \n");
 587                         goto EXIT;
 588                 }
 589                 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
 590
 591                 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 592                 if (ret != AUDIO_IO_ERROR_NONE) {
 593                         printf("audio_out_set_state_changed_cb failed. \n");
 594                         goto EXIT;
 595                 }
 596                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
 597
 598                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
 599                 if (ret) {
 600                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 601                         goto EXIT;
 602                 }
 603
 604                 ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
 605                 if (ret)
 606                         printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
 607
 608                 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 609                 if (ret) {
 610                         printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
 611                         goto EXIT;
 612                 }
 613
 614                 /* generate wave data */
 615                 for (i = 0; i < TABLE_SIZE; i++)
 616                         test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
 617                 test_wav.left_channel = test_wav.right_channel = 0;
 618         }
 619
 620         if (read_mode) {
 621                 printf("before audio_in_prepare\n");
 622                 getchar();
 623                 printf("audio_in_prepare\n");
 624                 ret = audio_in_prepare(input);
 625                 if (ret != 0) {
 626                         printf("audio_in_prepare failed, err(0x%x)\n", ret);
 627                         audio_in_destroy(input);
 628                         goto EXIT;
 629                 } else {
 630                         ret = audio_in_get_buffer_size(input, &size);
 631                         if (ret != AUDIO_IO_ERROR_NONE) {
 632                                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 633                                 goto EXIT;
 634                         } else {
 635                                 printf("size(%d)\n", size);
 636                                 buffer = alloca(size);
 637                         }
 638                 }
 639
 640                 if (buffer == NULL) {
 641                         printf("buffer is null\n");
 642                         goto EXIT;
 643                 }
 644         }
 645
 646         if (write_mode) {
 647                 printf("before audio_out_prepare\n");
 648                 getchar();
 649                 printf("audio_out_prepare\n");
 650                 ret = audio_out_prepare(output);
 651                 if (ret != 0) {
 652                         printf("audio_out_prepare failed, err(0x%x)\n", ret);
 653                         audio_out_destroy(output);
 654                         goto EXIT;
 655                 }
 656         }
 657
 658         do {
 659                 printf("command(q:quit) : ");
 660                 ret = getchar();
 661                 if (ret == EOF)
 662                         goto EXIT;
 663                 cmd = (char)ret;
 664                 if (cmd != '\n')
 665                         getchar();
 666                 cmd_ret = _convert_cmd_and_run(cmd, mode);
 667                 printf("  - result code : %d\n", cmd_ret);
 668         } while (cmd != 'q');
 669
 670 EXIT:
 671         if (read_mode) {
 672                 if (input) {
 673                         printf("audio_in_unprepare\n");
 674                         audio_in_unprepare(input);
 675                         printf("audio_in_destroy\n");
 676                         audio_in_destroy(input);
 677                         input = NULL;
 678                 }
 679
 680                 if (fp_w) {
 681                         fclose(fp_w);
 682                         fp_w = NULL;
 683                 }
 684
 685                 if (g_stream_info_read_h) {
 686                         ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
 687                         if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 688                                 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 689                                 if (ret)
 690                                         printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
 691                         }
 692                         ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
 693                         if (ret)
 694                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 695                         g_stream_info_read_h = NULL;
 696                 }
 697         }
 698
 699         if (write_mode) {
 700                 if (output) {
 701                         printf("audio_out_unprepare\n");
 702                         audio_out_unprepare(output);
 703                         printf("audio_out_destroy\n");
 704                         audio_out_destroy(output);
 705                 }
 706
 707                 if (g_stream_info_write_h) {
 708                         ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
 709                         if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 710                                 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 711                                 if (ret)
 712                                         printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
 713                         }
 714                         ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
 715                         if (ret)
 716                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 717                         g_stream_info_write_h = NULL;
 718                 }
 719         }
 720
 721         return 0;
 722 }
 723
 724 #define THREAD_MAX 10
 725 #define TEST_COUNT 500
 726 static void *thread_stress_test_audio_in(void *data)
 727 {
 728         int i, j;
 729         int rate;
 730         char *buf;
 731         int buffer_size;
 732         audio_channel_e ch;
 733         audio_sample_type_e type;
 734         unsigned int seed = (unsigned int)time(NULL);
 735
 736         audio_in_h input = (audio_in_h)data;
 737
 738         audio_in_prepare(input);
 739         audio_in_get_buffer_size(input, &buffer_size);
 740         buf = (char *)malloc(buffer_size);
 741         if (buf == NULL) {
 742                 printf("malloc failed\n");
 743                 goto EXIT;
 744         }
 745
 746         for (i=0; i<TEST_COUNT; i++) {
 747                 switch (rand_r(&seed) % 8) {
 748                         case 0:
 749                                 audio_in_prepare(input);
 750                                 break;
 751                         case 1:
 752                                 audio_in_read(input, buf, buffer_size);
 753                                 break;
 754                         case 2:
 755                                 audio_in_pause(input);
 756                                 break;
 757                         case 3:
 758                                 audio_in_resume(input);
 759                                 break;
 760                         case 4:
 761                                 audio_in_flush(input);
 762                                 break;
 763                         case 5:
 764                                 audio_in_unprepare(input);
 765                                 break;
 766                         case 6:
 767                                 audio_in_prepare(input);
 768                                 for  (j = 0; j < 10; j++)
 769                                         audio_in_read(input, buf, buffer_size);
 770                                 break;
 771                         case 7:
 772                                 audio_in_get_buffer_size(input, &buffer_size);
 773                                 audio_in_get_sample_rate(input, &rate);
 774                                 audio_in_get_channel(input, &ch);
 775                                 audio_in_get_sample_type(input, &type);
 776                                 break;
 777                         default:
 778                                 break;
 779                 }
 780                 if ((i % (TEST_COUNT/10)) == 0)
 781                         printf("audio_in: %x thread. count(%d/%d)\n", (int)pthread_self(), i, TEST_COUNT);
 782         }
 783         audio_in_unprepare(input);
 784
 785 EXIT:
 786         if (buf) {
 787                 free(buf);
 788                 buf = NULL;
 789         }
 790
 791         pthread_exit(0);
 792 }
 793
 794 static void *thread_stress_test_audio_out(void *data)
 795 {
 796         int i, j;
 797         int rate;
 798         char *buf;
 799         int buffer_size;
 800         audio_channel_e ch;
 801         audio_sample_type_e type;
 802         unsigned int seed = (unsigned int)time(NULL);
 803
 804         audio_out_h output = (audio_out_h)data;
 805
 806         srand(time(NULL));
 807
 808         audio_out_get_buffer_size(output, &buffer_size);
 809
 810         buf = (char *)malloc(buffer_size);
 811         if (buf == NULL) {
 812                 printf("malloc failed\n");
 813                 goto EXIT;
 814         }
 815
 816         audio_out_prepare(output);
 817         for (i = 0; i < TEST_COUNT; i++) {
 818                 switch (rand_r(&seed) % 9) {
 819                         case 0:
 820                                 audio_out_prepare(output);
 821                                 break;
 822                         case 1:
 823                                 audio_out_write(output, buf, buffer_size);
 824                                 break;
 825                         case 2:
 826                                 audio_out_pause(output);
 827                                 break;
 828                         case 3:
 829                                 audio_out_resume(output);
 830                                 break;
 831                         case 4:
 832                                 audio_out_drain(output);
 833                                 break;
 834                         case 5:
 835                                 audio_out_flush(output);
 836                                 break;
 837                         case 6:
 838                                 audio_out_write(output, buf, buffer_size);
 839                                 break;
 840                         case 7:
 841                                 audio_out_prepare(output);
 842                                 for  (j = 0; j < 10; j++)
 843                                         audio_out_write(output, buf, buffer_size);
 844                                 break;
 845                         case 8:
 846                                 audio_out_get_buffer_size(output, &buffer_size);
 847                                 audio_out_get_sample_rate(output, &rate);
 848                                 audio_out_get_channel(output, &ch);
 849                                 audio_out_get_sample_type(output, &type);
 850                                 break;
 851                         default:
 852                                 break;
 853                 }
 854                 if ((i % (TEST_COUNT/10)) == 0)
 855                         printf("audio_out: %x thread. count(%d/%d)\n", (int)pthread_self(), i, TEST_COUNT);
 856         }
 857         audio_out_unprepare(output);
 858
 859 EXIT:
 860         if (buf)
 861                 free(buf);
 862
 863         pthread_exit(0);
 864 }
 865
 866 int audio_io_stress_test()
 867 {
 868         int i;
 869         int ret;
 870         audio_out_h output[2];
 871         audio_in_h input;
 872
 873         int status;
 874         pthread_t t[THREAD_MAX];
 875
 876         void out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data) {
 877                 char * buf = (char *)malloc(nbytes);
 878                 if (!buf) {
 879                         printf("malloc(%zu) failed\n", nbytes);
 880                         return;
 881                 }
 882                 audio_out_write(handle, buf, nbytes);
 883                 free(buf);
 884                 return;
 885         }
 886
 887         void in_stream_cb(audio_in_h handle, size_t nbytes, void *user_data) {
 888                 void* buf = NULL;
 889                 unsigned int size = nbytes;
 890
 891                 audio_in_peek(handle, (const void **)buf, &size);
 892                 audio_in_drop(handle);
 893                 return;
 894         }
 895
 896         void state_changed_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data) {
 897                 return;
 898         }
 899
 900         /* audio_out sync */
 901         ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[0]);
 902         if (ret != AUDIO_IO_ERROR_NONE) {
 903                 printf("audio_out_create_new failed. \n");
 904                 return 0;
 905         }
 906         audio_out_set_state_changed_cb(output[0], state_changed_cb, NULL);
 907
 908         /* audio_out async */
 909         ret = audio_out_create_new(48000, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output[1]);
 910         if (ret != AUDIO_IO_ERROR_NONE) {
 911                 printf("audio_out_create_new failed. \n");
 912                 return 0;
 913         }
 914         audio_out_set_stream_cb(output[1], out_stream_cb, NULL);
 915         audio_out_set_state_changed_cb(output[1], state_changed_cb, NULL);
 916
 917         /* audio_in */
 918         ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 919         if (ret != AUDIO_IO_ERROR_NONE) {
 920                 printf("audio in create error = 0x%x\n", ret);
 921                 return -1;
 922         }
 923         audio_in_set_stream_cb(input, in_stream_cb, NULL);
 924
 925         printf("audio out sync test\n");
 926         for (i = 0; i < THREAD_MAX; i++)
 927                 pthread_create(&t[i], NULL, thread_stress_test_audio_out, output[0]);
 928
 929         for (i = 0; i < THREAD_MAX; i++) {
 930                 pthread_join(t[i], (void**)&status);
 931                 printf("thread %d finished\n", i);
 932         }
 933
 934         printf("audio out async test\n");
 935         for (i = 0; i < THREAD_MAX; i++)
 936                 pthread_create(&t[i], NULL, thread_stress_test_audio_out, output[1]);
 937
 938         for (i = 0; i < THREAD_MAX; i++) {
 939                 pthread_join(t[i], (void**)&status);
 940                 printf("thread %d finished\n", i);
 941         }
 942
 943         printf("audio in test\n");
 944         for (i = 0; i < THREAD_MAX; i++)
 945                 pthread_create(&t[i], NULL, thread_stress_test_audio_in, input);
 946
 947         for (i = 0; i < THREAD_MAX; i++) {
 948                 pthread_join(t[i], (void**)&status);
 949                 printf("thread %d finished\n", i);
 950         }
 951
 952         audio_out_destroy(output[0]);
 953         audio_out_destroy(output[1]);
 954         audio_in_destroy(input);
 955
 956         printf("stress test end\n");
 957
 958         return 0;
 959 }
 960
 961 int main(int argc, char **argv)
 962 {
 963         setbuf(stdout, NULL);
 964
 965         if (argc == 2 && !strcmp(argv[1], "loopback")) {
 966                 _direct_loopback();
 967         } else if (argc == 3 && !strcmp(argv[1], "async")) {
 968                 audio_io_async_test(atoi(argv[2]));
 969         } else if (argc == 2 && !strcmp(argv[1], "stress")) {
 970                 audio_io_stress_test();
 971         } else if (argc == 4) {
 972                 int channel_idx = atoi(argv[3]);
 973                 if (channel_idx < 0 || channel_idx > 8) {
 974                         printf("Invalid channel\n");
 975                         return 0;
 976                 }
 977                 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
 978                 _record_and_play(atoi(argv[1]), atoi(argv[2]), channel_idx);
 979         } else if (argc == 6) {
 980                 if (strcmp(argv[1], "play") == 0)
 981                         _play_file_sample_sync(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
 982                 else if (strcmp(argv[1], "playasync") == 0)
 983                         _play_file_sample_async(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
 984         } else {
 985                 printf("- Usages :\n");
 986                 printf("- # audio_io_test loopback\n");
 987                 printf("- # audio_io_test stress\n");
 988                 printf("- # audio_io_test [length to read] [number of iteration] [channels]\n");
 989                 printf("- # audio_io_test async [write(1) | read(2)]\n");
 990                 printf("- # audio_io_test play [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
 991                 printf("- # audio_io_test playasync [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
 992         }
 993         return 0;
 994 }