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 <sound_manager.h>
  23 #include <audio_io.h>
  24
  25 #ifndef M_PI
  26 #define M_PI  (3.14159265)
  27 #endif
  28
  29 #define TABLE_SIZE   (200)
  30 typedef struct {
  31         float sine[TABLE_SIZE];
  32         int left_channel;
  33         int right_channel;
  34 } test_wav_t;
  35 test_wav_t test_wav;
  36
  37 static int ch_table[3] = { 0, AUDIO_CHANNEL_MONO, AUDIO_CHANNEL_STEREO };
  38
  39 static char *state_str[] = { "IDLE", "RUNNING", "PAUSED" };
  40
  41 static void _audio_in_state_cb(audio_in_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data)
  42 {
  43         printf(">>> _audio_in_state_cb() : handle(%p), previous(%d,%s) => current(%d,%s), by_policy(%d), user_data(%p)\n",
  44                         handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
  45 }
  46
  47 static void _audio_out_state_cb(audio_in_h handle, audio_io_state_e previous, audio_io_state_e current, bool by_policy, void *user_data)
  48 {
  49         printf(">>> _audio_out_state_cb() : handle(%p), previous(%d,%s) => current(%d,%s), by_policy(%d), user_data(%p)\n",
  50                         handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
  51 }
  52
  53 void play_file(char *file, int length, int num, int ch)
  54 {
  55         int i = 0;
  56         int ret = 0;
  57         int total_length = length * num;
  58         audio_out_h output;
  59         FILE *fp = fopen(file, "r");
  60         if (fp == NULL) {
  61                 printf("fopen failed\n");
  62                 return;
  63         }
  64
  65         char *buf = malloc(total_length);
  66         if (buf == NULL) {
  67                 printf("malloc failed\n");
  68                 fclose(fp);
  69                 return;
  70         }
  71
  72         printf("start to play [%s][%d][%d]\n", file, total_length, ch);
  73         printf("create\n");
  74         audio_out_create_new(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
  75         if (fread(buf, 1, total_length, fp) != length)
  76                 printf("error!!!!\n");
  77
  78         ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
  79         if (ret != AUDIO_IO_ERROR_NONE) {
  80                 printf("audio_out_set_state_changed_cb failed. \n");
  81         }
  82
  83         printf("prepare\n");
  84         audio_out_prepare(output);
  85
  86         char *pbuf = buf;
  87         for (i = 0; i < num; i++) {
  88                 printf("### write = (%d/%d) ============== \n", i, num);
  89                 audio_out_write(output, pbuf, length);
  90                 pbuf += length;
  91
  92         }
  93         printf("unprepare\n");
  94         audio_out_drain(output);
  95         audio_out_unprepare(output);
  96
  97         printf("destroy\n");
  98         audio_out_destroy(output);
  99
 100         fclose(fp);
 101         free(buf);
 102
 103         printf("play done\n");
 104 }
 105
 106 #define DUMP_FILE "/root/test.raw"
 107
 108 void play_file_sample(char *file, int frequency, int ch, int type)
 109 {
 110         audio_out_h output;
 111         int file_size = 0;
 112         int read_bytes = 0;
 113         int buffer_size = 0;
 114         char *buf = NULL;
 115
 116         if (ch < 0 || ch > 2)
 117                 ch = 0;
 118
 119         FILE *fp = fopen(file, "r");
 120         if (fp == NULL) {
 121                 printf("open failed\n");
 122                 return;
 123         }
 124         /* Get the size */
 125         fseek(fp, 0, SEEK_END);
 126         file_size = ftell(fp);
 127         fseek(fp, 0, SEEK_SET);
 128
 129         printf("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
 130         if (type)
 131                 audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
 132         else
 133                 audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8, &output);
 134
 135         audio_out_prepare(output);
 136         audio_out_get_buffer_size(output, &buffer_size);
 137
 138         buf = (char *)malloc(buffer_size);
 139         if (buf == NULL) {
 140                 printf("malloc failed\n");
 141                 audio_out_unprepare(output);
 142                 audio_out_destroy(output);
 143                 fclose(fp);
 144                 return;
 145         }
 146
 147         getchar();
 148
 149         while (file_size > 0) {
 150                 read_bytes = fread(buf, 1, buffer_size, fp);
 151                 printf("Read %d Requested - %d\n", read_bytes, buffer_size);
 152                 audio_out_write(output, buf, read_bytes);
 153                 file_size = file_size - read_bytes;
 154         }
 155
 156         audio_out_unprepare(output);
 157         audio_out_destroy(output);
 158
 159         free(buf);
 160         fclose(fp);
 161         printf("play done\n");
 162 }
 163
 164 int audio_io_test(int length, int num, int ch)
 165 {
 166         int ret, size, i;
 167         audio_in_h input;
 168         if ((ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
 169                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 170                 if (ret != AUDIO_IO_ERROR_NONE) {
 171                         printf("audio_in_set_state_changed_cb failed. \n");
 172                         goto error;
 173                 }
 174
 175                 ret = audio_in_prepare(input);
 176                 if (ret != 0) {
 177                         printf("ERROR, prepare\n");
 178                         goto error;
 179                 }
 180
 181                 FILE *fp = fopen(DUMP_FILE, "wb+");
 182                 if (fp == NULL) {
 183                         printf("ERROR, file open failed\n");
 184                         goto error;
 185                 }
 186
 187                 if ((ret = audio_in_get_buffer_size(input, &size)) == AUDIO_IO_ERROR_NONE) {
 188                         size = length;
 189                         char *buffer = alloca(size);
 190
 191                         for (i = 0; i < num; i++) {
 192                                 printf("### read = (%d/%d) ============== ", i, num);
 193                                 if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 194                                         fwrite(buffer, size, sizeof(char), fp);
 195                                         printf("PASS, size=%d, ret=0x%x\n", size, ret);
 196                                 } else {
 197                                         printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 198                                 }
 199                         }
 200                 }
 201
 202                 fclose(fp);
 203
 204                 audio_in_unprepare(input);
 205                 audio_in_destroy(input);
 206         }
 207
 208         play_file(DUMP_FILE, length, num, ch);
 209
 210         return 0;
 211 error:
 212         audio_in_destroy(input);
 213         return -1;
 214 }
 215
 216 int audio_io_loopback_in_test()
 217 {
 218         int ret, size;
 219         audio_in_h input;
 220         FILE *fp = fopen("/tmp/dump_test.raw", "wb+");
 221
 222         if (fp == NULL) {
 223                 printf("open failed \n");
 224                 return -1;
 225         }
 226
 227         if ((ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
 228                 ret = audio_in_ignore_session(input);
 229                 if (ret != 0) {
 230                         printf("ERROR, set session mix\n");
 231                         goto exit;
 232                 }
 233
 234                 ret = audio_in_prepare(input);
 235                 if (ret != 0) {
 236                         printf("ERROR, prepare\n");
 237                         goto exit;
 238                 }
 239
 240                 ret = audio_in_get_buffer_size(input, &size);
 241                 if (ret != AUDIO_IO_ERROR_NONE) {
 242                         printf("audio_in_get_buffer_size failed.\n");
 243                         goto exit;
 244                 }
 245
 246                 char *buffer = alloca(size);
 247
 248                 while (1) {
 249                         if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 250                                 fwrite(buffer, size, sizeof(char), fp);
 251                                 printf("PASS, size=%d, ret=0x%x\n", size, ret);
 252                         } else {
 253                                 printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 254                         }
 255                 }
 256         }
 257
 258  exit:
 259         audio_in_destroy(input);
 260
 261         fclose(fp);
 262
 263         return ret;
 264
 265 }
 266
 267 int audio_io_loopback_test()
 268 {
 269         int ret, size;
 270         audio_in_h input = NULL;
 271         audio_out_h output = NULL;
 272         char *buffer = NULL;
 273
 274         ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 275         if (ret != AUDIO_IO_ERROR_NONE) {
 276                 printf("audio_in_create_ex failed. \n");
 277                 return ret;
 278         }
 279         ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 280         if (ret != AUDIO_IO_ERROR_NONE) {
 281                 printf("audio_out_create failed. \n");
 282                 goto exit;
 283         }
 284
 285         ret = audio_in_prepare(input);
 286         if (ret != 0) {
 287                 printf("audio_in_prepare failed, err(0x%x)\n", ret);
 288                 goto exit;
 289         } else {
 290                 ret = audio_in_get_buffer_size(input, &size);
 291                 if (ret != AUDIO_IO_ERROR_NONE) {
 292                         printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 293                         goto exit;
 294                 } else {
 295                         printf("size(%d)\n", size);
 296                         buffer = alloca(size);
 297                 }
 298         }
 299
 300         ret = audio_out_prepare(output);
 301         if (ret != 0) {
 302                 printf("audio_out_prepare failed, err(0x%x)\n", ret);
 303                 goto exit;
 304         }
 305
 306         if (buffer == NULL) {
 307                 printf("buffer is null\n");
 308                 ret = -1;
 309                 goto exit;
 310         }
 311
 312         while (1) {
 313                 ret = audio_in_read(input, (void *)buffer, size);
 314                 if (ret > AUDIO_IO_ERROR_NONE) {
 315                         ret = audio_out_write(output, buffer, size);
 316                         if (ret > AUDIO_IO_ERROR_NONE)
 317                                 printf("audio read/write success. buffer(%p), size(%d)\n", buffer, size);
 318                         else
 319                                 printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
 320                 } else
 321                         printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
 322         }
 323
 324 exit:
 325         if (input)
 326                 audio_in_destroy(input);
 327         if (output)
 328                 audio_out_destroy(output);
 329
 330         return ret;
 331
 332 }
 333
 334 audio_in_h input;
 335 audio_out_h output;
 336
 337 FILE *fp_w = NULL;
 338
 339 sound_stream_info_h g_stream_info_read_h = NULL;
 340 sound_stream_info_h g_stream_info_write_h = NULL;
 341
 342 static void focus_callback(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state,
 343                                 sound_stream_focus_change_reason_e reason_for_change, int sound_behavior, const char *additional_info, void *user_data)
 344 {
 345         printf("*** focus_callback_read is called, stream_info(%p, read(%p)/write(%p)) ***\n", stream_info, g_stream_info_read_h, g_stream_info_write_h);
 346         printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n", reason_for_change, additional_info, user_data);
 347         printf(" - focus_state is :%d \n", focus_state);
 348
 349         return;
 350 }
 351
 352 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
 353 {
 354         const void *buffer = NULL;
 355         unsigned int len = (unsigned int)nbytes;
 356
 357         if (len > 0) {
 358                 audio_in_peek(handle, &buffer, &len);
 359                 if (fp_w)
 360                         fwrite(buffer, sizeof(char), len, fp_w);
 361                 audio_in_drop(handle);
 362         }
 363 }
 364
 365 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
 366 {
 367         short *buffer = NULL;
 368         int i = 0;
 369
 370         if (nbytes > 0) {
 371                 buffer = (short *)malloc(nbytes);
 372                 if (buffer == NULL) {
 373                         printf("malloc failed\n");
 374                         return;
 375                 }
 376                 memset(buffer, 0, nbytes);
 377
 378                 for (i = 0; i < nbytes / 2; i += 2) {
 379                         buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
 380                         buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel];    /* right */
 381                         test_wav.left_channel += 1;
 382                         if (test_wav.left_channel >= TABLE_SIZE)
 383                                 test_wav.left_channel -= TABLE_SIZE;
 384                         test_wav.right_channel += 3;
 385                         if (test_wav.right_channel >= TABLE_SIZE)
 386                                 test_wav.right_channel -= TABLE_SIZE;
 387                 }
 388
 389                 audio_out_write(handle, buffer, nbytes);
 390
 391                 free(buffer);
 392         }
 393 }
 394
 395 int _convert_cmd_and_run(char cmd, int mode)
 396 {
 397         int ret = 0;
 398         switch (cmd) {
 399         case 'P':
 400                 if (mode & 0x01)
 401                         ret = audio_out_prepare(output);
 402                 if (mode & 0x02)
 403                         ret = audio_in_prepare(input);
 404                 break;
 405         case 'u':
 406                 if (mode & 0x01)
 407                         ret = audio_out_unprepare(output);
 408                 if (mode & 0x02)
 409                         ret = audio_in_unprepare(input);
 410                 break;
 411         case 'p':
 412                 if (mode & 0x01)
 413                         ret = audio_out_pause(output);
 414                 if (mode & 0x02)
 415                         ret = audio_in_pause(input);
 416                 break;
 417         case 'r':
 418                 if (mode & 0x01)
 419                         ret = audio_out_resume(output);
 420                 if (mode & 0x02)
 421                         ret = audio_in_resume(input);
 422                 break;
 423         case 'd':
 424                 if (mode & 0x01)
 425                         ret = audio_out_drain(output);
 426                 break;
 427         case 'f':
 428                 if (mode & 0x01)
 429                         ret = audio_out_flush(output);
 430                 if (mode & 0x02)
 431                         ret = audio_in_flush(input);
 432                 break;
 433         case 'i':
 434                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 435                 if (ret)
 436                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 437                 break;
 438         case 'q':                                       /* quit */
 439                 ret = 1;
 440                 break;
 441         default:
 442                 ret = 1;
 443                 break;
 444         }
 445         return ret;
 446 }
 447
 448 int audio_io_async_test(int mode)
 449 {
 450         int ret, size;
 451         char *buffer = NULL;
 452         int i = 0;
 453
 454         char cmd = 0;
 455         int cmd_ret;
 456
 457         int write_mode = (mode & 0x01);
 458         int read_mode = (mode & 0x02);
 459
 460         sound_stream_focus_state_e playback_focus_state;
 461         sound_stream_focus_state_e recording_focus_state;
 462
 463         if ((write_mode == 0) && (read_mode == 0)) {
 464                 printf("not vaild mode.\n");
 465                 return 0;
 466         }
 467
 468         if (read_mode) {
 469
 470                 printf("audio_in_create\n");
 471                 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 472                 if (ret != AUDIO_IO_ERROR_NONE) {
 473                         printf("audio_in_create_ex failed. \n");
 474                         return 0;
 475                 }
 476                 printf("audio_in_create success!!! [%p]\n", input);
 477
 478                 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
 479                 if (ret != AUDIO_IO_ERROR_NONE) {
 480                         printf("audio_in_set_stream_cb failed. \n");
 481                         goto EXIT;
 482                 }
 483                 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
 484
 485                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 486                 if (ret != AUDIO_IO_ERROR_NONE) {
 487                         printf("audio_out_set_state_changed_cb failed. \n");
 488                         goto EXIT;
 489                 }
 490                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
 491
 492                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_read_h);
 493                 if (ret) {
 494                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 495                         goto EXIT;
 496                 }
 497                 ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
 498                 if (ret)
 499                         printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
 500
 501                 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 502                 if (ret) {
 503                         printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
 504                         goto EXIT;
 505                 }
 506
 507                 fp_w = fopen("/tmp/pcm_w.raw", "w");
 508         }
 509
 510         if (write_mode) {
 511                 printf("before audio_out_create\n");
 512                 getchar();
 513
 514                 printf("audio_out_create\n");
 515                 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 516                 if (ret != AUDIO_IO_ERROR_NONE) {
 517                         printf("audio_out_create failed. \n");
 518                         goto EXIT;
 519                 }
 520                 printf("audio_out_create success!!! [%p]\n", output);
 521
 522                 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
 523                 if (ret != AUDIO_IO_ERROR_NONE) {
 524                         printf("audio_out_set_stream_cb failed. \n");
 525                         goto EXIT;
 526                 }
 527                 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
 528
 529                 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 530                 if (ret != AUDIO_IO_ERROR_NONE) {
 531                         printf("audio_out_set_state_changed_cb failed. \n");
 532                         goto EXIT;
 533                 }
 534                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
 535
 536                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 537                 if (ret) {
 538                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 539                         goto EXIT;
 540                 }
 541
 542                 ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
 543                 if (ret)
 544                         printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
 545
 546                 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 547                 if (ret) {
 548                         printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
 549                         goto EXIT;
 550                 }
 551
 552                 /* generate wave data */
 553                 for (i = 0; i < TABLE_SIZE; i++)
 554                         test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
 555                 test_wav.left_channel = test_wav.right_channel = 0;
 556         }
 557
 558         if (read_mode) {
 559                 printf("before audio_in_prepare\n");
 560                 getchar();
 561                 printf("audio_in_prepare\n");
 562                 ret = audio_in_prepare(input);
 563                 if (ret != 0) {
 564                         printf("audio_in_prepare failed, err(0x%x)\n", ret);
 565                         audio_in_destroy(input);
 566                         goto EXIT;
 567                 } else {
 568                         ret = audio_in_get_buffer_size(input, &size);
 569                         if (ret != AUDIO_IO_ERROR_NONE) {
 570                                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 571                                 goto EXIT;
 572                         } else {
 573                                 printf("size(%d)\n", size);
 574                                 buffer = alloca(size);
 575                         }
 576                 }
 577
 578                 if (buffer == NULL) {
 579                         printf("buffer is null\n");
 580                         goto EXIT;
 581                 }
 582         }
 583
 584         if (write_mode) {
 585                 printf("before audio_out_prepare\n");
 586                 getchar();
 587                 printf("audio_out_prepare\n");
 588                 ret = audio_out_prepare(output);
 589                 if (ret != 0) {
 590                         printf("audio_out_prepare failed, err(0x%x)\n", ret);
 591                         audio_out_destroy(output);
 592                         goto EXIT;
 593                 }
 594         }
 595
 596         do {
 597                 printf("command(q:quit) : ");
 598                 ret = getchar();
 599                 if (ret == EOF)
 600                         goto EXIT;
 601                 cmd = (char)ret;
 602                 if (cmd != '\n')
 603                         getchar();
 604                 cmd_ret = _convert_cmd_and_run(cmd, mode);
 605                 printf("  - result code : %d\n", cmd_ret);
 606         } while (cmd != 'q');
 607
 608 EXIT:
 609         if (read_mode) {
 610                 if (input) {
 611                         printf("audio_in_unprepare\n");
 612                         audio_in_unprepare(input);
 613                         printf("audio_in_destroy\n");
 614                         audio_in_destroy(input);
 615                         input = NULL;
 616                 }
 617
 618                 if (fp_w) {
 619                         fclose(fp_w);
 620                         fp_w = NULL;
 621                 }
 622
 623                 if (g_stream_info_read_h) {
 624                         ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
 625                         if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 626                                 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 627                                 if (ret)
 628                                         printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
 629                         }
 630                         ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
 631                         if (ret)
 632                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 633                         g_stream_info_read_h = NULL;
 634                 }
 635         }
 636
 637         if (write_mode) {
 638                 if (output) {
 639                         printf("audio_out_unprepare\n");
 640                         audio_out_unprepare(output);
 641                         printf("audio_out_destroy\n");
 642                         audio_out_destroy(output);
 643                 }
 644
 645                 if (g_stream_info_write_h) {
 646                         ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
 647                         if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 648                                 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 649                                 if (ret)
 650                                         printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
 651                         }
 652                         ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
 653                         if (ret)
 654                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 655                         g_stream_info_write_h = NULL;
 656                 }
 657         }
 658
 659         return 0;
 660 }
 661
 662 int main(int argc, char **argv)
 663 {
 664         if (argc == 2 && !strcmp(argv[1], "call-forwarding-loop")) {
 665                 audio_io_loopback_test();
 666         } else if (argc == 2 && !strcmp(argv[1], "call-forwarding-in")) {
 667                 audio_io_loopback_in_test();
 668         } else if (argc == 3 && !strcmp(argv[1], "async")) {
 669                 audio_io_async_test(atoi(argv[2]));
 670         } else if (argc == 4) {
 671                 int channel_idx = atoi(argv[3]);
 672                 if (channel_idx < 0 || channel_idx > 2) {
 673                         printf("Invalid channel\n");
 674                         return 0;
 675                 }
 676                 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
 677                 audio_io_test(atoi(argv[1]), atoi(argv[2]), channel_idx);
 678         } else if (argc == 6) {
 679                 play_file_sample(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
 680         } else {
 681                 printf("1. usage : audio_io_test call-forwarding-loop\n");
 682                 printf("2. usage : audio_io_test call-forwarding-in\n");
 683                 printf("3. usage : audio_io_test [length to read] [number of iteration] [channels]\n");
 684                 printf("4. usage : audio_io_test async [write(1) | read(2)]\n");
 685                 printf("5. Uasge : audio_io_test play [filename] [sample rate] [channels] [type(0:U8)]\n");
 686         }
 687         return 0;
 688 }