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         audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
 131
 132         audio_out_prepare(output);
 133         audio_out_get_buffer_size(output, &buffer_size);
 134
 135         buf = (char *)malloc(buffer_size);
 136         if (buf == NULL) {
 137                 printf("malloc failed\n");
 138                 audio_out_unprepare(output);
 139                 audio_out_destroy(output);
 140                 fclose(fp);
 141                 return;
 142         }
 143
 144         getchar();
 145
 146         while (file_size > 0) {
 147                 read_bytes = fread(buf, 1, buffer_size, fp);
 148                 printf("Read %d Requested - %d\n", read_bytes, buffer_size);
 149                 audio_out_write(output, buf, read_bytes);
 150                 file_size = file_size - read_bytes;
 151         }
 152
 153         audio_out_unprepare(output);
 154         audio_out_destroy(output);
 155
 156         free(buf);
 157         fclose(fp);
 158         printf("play done\n");
 159 }
 160
 161 int audio_io_test(int length, int num, int ch)
 162 {
 163         int ret, size, i;
 164         audio_in_h input;
 165         if ((ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
 166                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 167                 if (ret != AUDIO_IO_ERROR_NONE) {
 168                         printf("audio_in_set_state_changed_cb failed. \n");
 169                         goto error;
 170                 }
 171
 172                 ret = audio_in_prepare(input);
 173                 if (ret != 0) {
 174                         printf("ERROR, prepare\n");
 175                         goto error;
 176                 }
 177
 178                 FILE *fp = fopen(DUMP_FILE, "wb+");
 179                 if (fp == NULL) {
 180                         printf("ERROR, file open failed\n");
 181                         goto error;
 182                 }
 183
 184                 if ((ret = audio_in_get_buffer_size(input, &size)) == AUDIO_IO_ERROR_NONE) {
 185                         size = length;
 186                         char *buffer = alloca(size);
 187
 188                         for (i = 0; i < num; i++) {
 189                                 printf("### read = (%d/%d) ============== ", i, num);
 190                                 if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 191                                         fwrite(buffer, size, sizeof(char), fp);
 192                                         printf("PASS, size=%d, ret=0x%x\n", size, ret);
 193                                 } else {
 194                                         printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 195                                 }
 196                         }
 197                 }
 198
 199                 fclose(fp);
 200
 201                 audio_in_unprepare(input);
 202                 audio_in_destroy(input);
 203         }
 204
 205         play_file(DUMP_FILE, length, num, ch);
 206
 207         return 0;
 208 error:
 209         audio_in_destroy(input);
 210         return -1;
 211 }
 212
 213 int audio_io_loopback_in_test()
 214 {
 215         int ret, size;
 216         audio_in_h input;
 217         FILE *fp = fopen("/tmp/dump_test.raw", "wb+");
 218
 219         if (fp == NULL) {
 220                 printf("open failed \n");
 221                 return -1;
 222         }
 223
 224         if ((ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
 225                 ret = audio_in_prepare(input);
 226                 if (ret != 0) {
 227                         printf("ERROR, prepare\n");
 228                         goto exit;
 229                 }
 230
 231                 ret = audio_in_get_buffer_size(input, &size);
 232                 if (ret != AUDIO_IO_ERROR_NONE) {
 233                         printf("audio_in_get_buffer_size failed.\n");
 234                         goto exit;
 235                 }
 236
 237                 char *buffer = alloca(size);
 238
 239                 while (1) {
 240                         if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 241                                 fwrite(buffer, size, sizeof(char), fp);
 242                                 printf("PASS, size=%d, ret=0x%x\n", size, ret);
 243                         } else {
 244                                 printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 245                         }
 246                 }
 247         }
 248
 249  exit:
 250         audio_in_destroy(input);
 251
 252         fclose(fp);
 253
 254         return ret;
 255
 256 }
 257
 258 int audio_io_loopback_test()
 259 {
 260         int ret, size;
 261         audio_in_h input = NULL;
 262         audio_out_h output = NULL;
 263         char *buffer = NULL;
 264
 265         ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 266         if (ret != AUDIO_IO_ERROR_NONE) {
 267                 printf("audio_in_create_ex failed. \n");
 268                 return ret;
 269         }
 270         ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 271         if (ret != AUDIO_IO_ERROR_NONE) {
 272                 printf("audio_out_create_new failed. \n");
 273                 goto exit;
 274         }
 275
 276         ret = audio_in_prepare(input);
 277         if (ret != 0) {
 278                 printf("audio_in_prepare failed, err(0x%x)\n", ret);
 279                 goto exit;
 280         } else {
 281                 ret = audio_in_get_buffer_size(input, &size);
 282                 if (ret != AUDIO_IO_ERROR_NONE) {
 283                         printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 284                         goto exit;
 285                 } else {
 286                         printf("size(%d)\n", size);
 287                         buffer = alloca(size);
 288                 }
 289         }
 290
 291         ret = audio_out_prepare(output);
 292         if (ret != 0) {
 293                 printf("audio_out_prepare failed, err(0x%x)\n", ret);
 294                 goto exit;
 295         }
 296
 297         if (buffer == NULL) {
 298                 printf("buffer is null\n");
 299                 ret = -1;
 300                 goto exit;
 301         }
 302
 303         while (1) {
 304                 ret = audio_in_read(input, (void *)buffer, size);
 305                 if (ret > AUDIO_IO_ERROR_NONE) {
 306                         ret = audio_out_write(output, buffer, size);
 307                         if (ret > AUDIO_IO_ERROR_NONE)
 308                                 printf("audio read/write success. buffer(%p), size(%d)\n", buffer, size);
 309                         else
 310                                 printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
 311                 } else
 312                         printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
 313         }
 314
 315 exit:
 316         if (input)
 317                 audio_in_destroy(input);
 318         if (output)
 319                 audio_out_destroy(output);
 320
 321         return ret;
 322
 323 }
 324
 325 audio_in_h input;
 326 audio_out_h output;
 327
 328 FILE *fp_w = NULL;
 329
 330 sound_stream_info_h g_stream_info_read_h = NULL;
 331 sound_stream_info_h g_stream_info_write_h = NULL;
 332
 333 static void focus_callback(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state,
 334                                 sound_stream_focus_change_reason_e reason_for_change, int sound_behavior, const char *additional_info, void *user_data)
 335 {
 336         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);
 337         printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n", reason_for_change, additional_info, user_data);
 338         printf(" - focus_state is :%d \n", focus_state);
 339
 340         return;
 341 }
 342
 343 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
 344 {
 345         const void *buffer = NULL;
 346         unsigned int len = (unsigned int)nbytes;
 347
 348         if (len > 0) {
 349                 audio_in_peek(handle, &buffer, &len);
 350                 if (fp_w)
 351                         fwrite(buffer, sizeof(char), len, fp_w);
 352                 audio_in_drop(handle);
 353         }
 354 }
 355
 356 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
 357 {
 358         short *buffer = NULL;
 359         int i = 0;
 360
 361         if (nbytes > 0) {
 362                 buffer = (short *)malloc(nbytes);
 363                 if (buffer == NULL) {
 364                         printf("malloc failed\n");
 365                         return;
 366                 }
 367                 memset(buffer, 0, nbytes);
 368
 369                 for (i = 0; i < nbytes / 2; i += 2) {
 370                         buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
 371                         buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel];    /* right */
 372                         test_wav.left_channel += 1;
 373                         if (test_wav.left_channel >= TABLE_SIZE)
 374                                 test_wav.left_channel -= TABLE_SIZE;
 375                         test_wav.right_channel += 3;
 376                         if (test_wav.right_channel >= TABLE_SIZE)
 377                                 test_wav.right_channel -= TABLE_SIZE;
 378                 }
 379
 380                 audio_out_write(handle, buffer, nbytes);
 381
 382                 free(buffer);
 383         }
 384 }
 385
 386 int _convert_cmd_and_run(char cmd, int mode)
 387 {
 388         int ret = 0;
 389         switch (cmd) {
 390         case 'P':
 391                 if (mode & 0x01)
 392                         ret = audio_out_prepare(output);
 393                 if (mode & 0x02)
 394                         ret = audio_in_prepare(input);
 395                 break;
 396         case 'u':
 397                 if (mode & 0x01)
 398                         ret = audio_out_unprepare(output);
 399                 if (mode & 0x02)
 400                         ret = audio_in_unprepare(input);
 401                 break;
 402         case 'p':
 403                 if (mode & 0x01)
 404                         ret = audio_out_pause(output);
 405                 if (mode & 0x02)
 406                         ret = audio_in_pause(input);
 407                 break;
 408         case 'r':
 409                 if (mode & 0x01)
 410                         ret = audio_out_resume(output);
 411                 if (mode & 0x02)
 412                         ret = audio_in_resume(input);
 413                 break;
 414         case 'd':
 415                 if (mode & 0x01)
 416                         ret = audio_out_drain(output);
 417                 break;
 418         case 'f':
 419                 if (mode & 0x01)
 420                         ret = audio_out_flush(output);
 421                 if (mode & 0x02)
 422                         ret = audio_in_flush(input);
 423                 break;
 424         case 'i':
 425                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 426                 if (ret)
 427                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 428                 break;
 429         case 'q':                                       /* quit */
 430                 ret = 1;
 431                 break;
 432         default:
 433                 ret = 1;
 434                 break;
 435         }
 436         return ret;
 437 }
 438
 439 int audio_io_async_test(int mode)
 440 {
 441         int ret, size;
 442         char *buffer = NULL;
 443         int i = 0;
 444
 445         char cmd = 0;
 446         int cmd_ret;
 447
 448         int write_mode = (mode & 0x01);
 449         int read_mode = (mode & 0x02);
 450
 451         sound_stream_focus_state_e playback_focus_state;
 452         sound_stream_focus_state_e recording_focus_state;
 453
 454         if ((write_mode == 0) && (read_mode == 0)) {
 455                 printf("not vaild mode.\n");
 456                 return 0;
 457         }
 458
 459         if (read_mode) {
 460
 461                 printf("audio_in_create\n");
 462                 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 463                 if (ret != AUDIO_IO_ERROR_NONE) {
 464                         printf("audio_in_create_ex failed. \n");
 465                         return 0;
 466                 }
 467                 printf("audio_in_create success!!! [%p]\n", input);
 468
 469                 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
 470                 if (ret != AUDIO_IO_ERROR_NONE) {
 471                         printf("audio_in_set_stream_cb failed. \n");
 472                         goto EXIT;
 473                 }
 474                 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
 475
 476                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 477                 if (ret != AUDIO_IO_ERROR_NONE) {
 478                         printf("audio_out_set_state_changed_cb failed. \n");
 479                         goto EXIT;
 480                 }
 481                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
 482
 483                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_read_h);
 484                 if (ret) {
 485                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 486                         goto EXIT;
 487                 }
 488                 ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
 489                 if (ret)
 490                         printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
 491
 492                 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 493                 if (ret) {
 494                         printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
 495                         goto EXIT;
 496                 }
 497
 498                 fp_w = fopen("/tmp/pcm_w.raw", "w");
 499         }
 500
 501         if (write_mode) {
 502                 printf("before audio_out_create_new\n");
 503                 getchar();
 504
 505                 printf("audio_out_create_new\n");
 506                 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 507                 if (ret != AUDIO_IO_ERROR_NONE) {
 508                         printf("audio_out_create_new failed. \n");
 509                         goto EXIT;
 510                 }
 511                 printf("audio_out_create_new success!!! [%p]\n", output);
 512
 513                 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
 514                 if (ret != AUDIO_IO_ERROR_NONE) {
 515                         printf("audio_out_set_stream_cb failed. \n");
 516                         goto EXIT;
 517                 }
 518                 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
 519
 520                 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 521                 if (ret != AUDIO_IO_ERROR_NONE) {
 522                         printf("audio_out_set_state_changed_cb failed. \n");
 523                         goto EXIT;
 524                 }
 525                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
 526
 527                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 528                 if (ret) {
 529                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 530                         goto EXIT;
 531                 }
 532
 533                 ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
 534                 if (ret)
 535                         printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
 536
 537                 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 538                 if (ret) {
 539                         printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
 540                         goto EXIT;
 541                 }
 542
 543                 /* generate wave data */
 544                 for (i = 0; i < TABLE_SIZE; i++)
 545                         test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
 546                 test_wav.left_channel = test_wav.right_channel = 0;
 547         }
 548
 549         if (read_mode) {
 550                 printf("before audio_in_prepare\n");
 551                 getchar();
 552                 printf("audio_in_prepare\n");
 553                 ret = audio_in_prepare(input);
 554                 if (ret != 0) {
 555                         printf("audio_in_prepare failed, err(0x%x)\n", ret);
 556                         audio_in_destroy(input);
 557                         goto EXIT;
 558                 } else {
 559                         ret = audio_in_get_buffer_size(input, &size);
 560                         if (ret != AUDIO_IO_ERROR_NONE) {
 561                                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 562                                 goto EXIT;
 563                         } else {
 564                                 printf("size(%d)\n", size);
 565                                 buffer = alloca(size);
 566                         }
 567                 }
 568
 569                 if (buffer == NULL) {
 570                         printf("buffer is null\n");
 571                         goto EXIT;
 572                 }
 573         }
 574
 575         if (write_mode) {
 576                 printf("before audio_out_prepare\n");
 577                 getchar();
 578                 printf("audio_out_prepare\n");
 579                 ret = audio_out_prepare(output);
 580                 if (ret != 0) {
 581                         printf("audio_out_prepare failed, err(0x%x)\n", ret);
 582                         audio_out_destroy(output);
 583                         goto EXIT;
 584                 }
 585         }
 586
 587         do {
 588                 printf("command(q:quit) : ");
 589                 ret = getchar();
 590                 if (ret == EOF)
 591                         goto EXIT;
 592                 cmd = (char)ret;
 593                 if (cmd != '\n')
 594                         getchar();
 595                 cmd_ret = _convert_cmd_and_run(cmd, mode);
 596                 printf("  - result code : %d\n", cmd_ret);
 597         } while (cmd != 'q');
 598
 599 EXIT:
 600         if (read_mode) {
 601                 if (input) {
 602                         printf("audio_in_unprepare\n");
 603                         audio_in_unprepare(input);
 604                         printf("audio_in_destroy\n");
 605                         audio_in_destroy(input);
 606                         input = NULL;
 607                 }
 608
 609                 if (fp_w) {
 610                         fclose(fp_w);
 611                         fp_w = NULL;
 612                 }
 613
 614                 if (g_stream_info_read_h) {
 615                         ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
 616                         if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 617                                 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 618                                 if (ret)
 619                                         printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
 620                         }
 621                         ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
 622                         if (ret)
 623                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 624                         g_stream_info_read_h = NULL;
 625                 }
 626         }
 627
 628         if (write_mode) {
 629                 if (output) {
 630                         printf("audio_out_unprepare\n");
 631                         audio_out_unprepare(output);
 632                         printf("audio_out_destroy\n");
 633                         audio_out_destroy(output);
 634                 }
 635
 636                 if (g_stream_info_write_h) {
 637                         ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
 638                         if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 639                                 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 640                                 if (ret)
 641                                         printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
 642                         }
 643                         ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
 644                         if (ret)
 645                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 646                         g_stream_info_write_h = NULL;
 647                 }
 648         }
 649
 650         return 0;
 651 }
 652
 653 int main(int argc, char **argv)
 654 {
 655         if (argc == 2 && !strcmp(argv[1], "call-forwarding-loop")) {
 656                 audio_io_loopback_test();
 657         } else if (argc == 2 && !strcmp(argv[1], "call-forwarding-in")) {
 658                 audio_io_loopback_in_test();
 659         } else if (argc == 3 && !strcmp(argv[1], "async")) {
 660                 audio_io_async_test(atoi(argv[2]));
 661         } else if (argc == 4) {
 662                 int channel_idx = atoi(argv[3]);
 663                 if (channel_idx < 0 || channel_idx > 2) {
 664                         printf("Invalid channel\n");
 665                         return 0;
 666                 }
 667                 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
 668                 audio_io_test(atoi(argv[1]), atoi(argv[2]), channel_idx);
 669         } else if (argc == 6) {
 670                 play_file_sample(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
 671         } else {
 672                 printf("1. usage : audio_io_test call-forwarding-loop\n");
 673                 printf("2. usage : audio_io_test call-forwarding-in\n");
 674                 printf("3. usage : audio_io_test [length to read] [number of iteration] [channels]\n");
 675                 printf("4. usage : audio_io_test async [write(1) | read(2)]\n");
 676                 printf("5. Uasge : audio_io_test play [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
 677         }
 678         return 0;
 679 }