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 void play_file(char *file, int length, int ch)
  40 {
  41         audio_out_h output;
  42         FILE *fp = fopen(file, "r");
  43         if (fp == NULL) {
  44                 printf("fopen failed\n");
  45                 return;
  46         }
  47
  48         char *buf = malloc(length);
  49         if (buf == NULL) {
  50                 printf("malloc failed\n");
  51                 fclose(fp);
  52                 return;
  53         }
  54
  55         printf("start to play [%s][%d][%d]\n", file, length, ch);
  56         //audio_out_create(44100, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_MEDIA, &output);
  57         audio_out_create_new(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
  58         if (fread(buf, 1, length, fp) != length) {
  59                 printf("error!!!!\n");
  60         }
  61
  62         audio_out_prepare(output);
  63         audio_out_write(output, buf, length);
  64         audio_out_unprepare(output);
  65
  66         audio_out_destroy(output);
  67
  68         fclose(fp);
  69
  70         printf("play done\n");
  71 }
  72
  73 #define DUMP_FILE "/root/test.raw"
  74
  75 void play_file_sample(char *file, int frequency, int ch, int type)
  76 {
  77         audio_out_h output;
  78         int file_size = 0;
  79         int read_bytes = 0;
  80         int buffer_size = 0;
  81         char *buf = NULL;
  82
  83         if (ch < 0 || ch > 2) {
  84                 ch = 0;
  85         }
  86
  87         FILE *fp = fopen(file, "r");
  88         if (fp == NULL) {
  89                 printf("open failed\n");
  90                 return;
  91         }
  92         /*Get the size */
  93         fseek(fp, 0, SEEK_END);
  94         file_size = ftell(fp);
  95         fseek(fp, 0, SEEK_SET);
  96
  97         printf("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
  98         if (type) {
  99                 //audio_out_create(frequency, ch_table[ch] ,AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_MEDIA, &output);
 100                 audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
 101         } else {
 102                 //audio_out_create(frequency, ch_table[ch] ,AUDIO_SAMPLE_TYPE_U8, SOUND_TYPE_MEDIA, &output);
 103                 audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8, &output);
 104         }
 105         audio_out_prepare(output);
 106         audio_out_get_buffer_size(output, &buffer_size);
 107
 108         buf = (char *)malloc(buffer_size);
 109         if (buf == NULL) {
 110                 printf("malloc failed\n");
 111                 audio_out_unprepare(output);
 112                 audio_out_destroy(output);
 113                 fclose(fp);
 114                 return;
 115         }
 116         //audio_out_prepare(output);
 117
 118         while (file_size > 0) {
 119                 read_bytes = fread(buf, 1, buffer_size, fp);
 120                 printf("Read %d Requested - %d\n", read_bytes, buffer_size);
 121                 audio_out_write(output, buf, read_bytes);
 122                 file_size = file_size - read_bytes;
 123         }
 124
 125         audio_out_unprepare(output);
 126         audio_out_destroy(output);
 127
 128         free(buf);
 129         fclose(fp);
 130         printf("play done\n");
 131 }
 132
 133 int audio_io_test(int length, int num, int ch)
 134 {
 135         int ret, size, i;
 136         audio_in_h input;
 137         if ((ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
 138                 ret = audio_in_ignore_session(input);
 139                 if (ret != 0) {
 140                         printf("ERROR, set session mix\n");
 141                         audio_in_destroy(input);
 142                         return 0;
 143                 }
 144
 145                 ret = audio_in_prepare(input);
 146                 if (ret != 0) {
 147                         printf("ERROR, prepare\n");
 148                         audio_in_destroy(input);
 149                         return 0;
 150                 }
 151
 152                 FILE *fp = fopen(DUMP_FILE, "wb+");
 153
 154                 if (fp == NULL) {
 155                         printf("ERROR, file open failed\n");
 156                         audio_in_destroy(input);
 157                         return 0;
 158                 }
 159
 160                 if ((ret = audio_in_get_buffer_size(input, &size)) == AUDIO_IO_ERROR_NONE) {
 161                         size = length;
 162                         char *buffer = alloca(size);
 163
 164                         for (i = 0; i < num; i++) {
 165                                 printf("### loop = %d ============== \n", i);
 166                                 if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 167                                         fwrite(buffer, size, sizeof(char), fp);
 168                                         printf("PASS, size=%d, ret=%d\n", size, ret);
 169                                 } else {
 170                                         printf("FAIL, size=%d, ret=%d\n", size, ret);
 171                                 }
 172                         }
 173                 }
 174
 175                 fclose(fp);
 176
 177                 audio_in_destroy(input);
 178         }
 179
 180         play_file(DUMP_FILE, length * num, ch);
 181
 182         return 1;
 183 }
 184
 185 int audio_io_loopback_in_test()
 186 {
 187         int ret, size;
 188         audio_in_h input;
 189         FILE *fp = fopen("/tmp/dump_test.raw", "wb+");
 190
 191         if (fp == NULL) {
 192                 printf("open failed \n");
 193                 return 0;
 194         }
 195
 196         if ((ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input)) == AUDIO_IO_ERROR_NONE) {
 197                 ret = audio_in_ignore_session(input);
 198                 if (ret != 0) {
 199                         printf("ERROR, set session mix\n");
 200                         goto exit;
 201                 }
 202
 203                 ret = audio_in_prepare(input);
 204                 if (ret != 0) {
 205                         printf("ERROR, prepare\n");
 206                         goto exit;
 207                 }
 208
 209                 ret = audio_in_get_buffer_size(input, &size);
 210                 if (ret != AUDIO_IO_ERROR_NONE) {
 211                         printf("audio_in_get_buffer_size failed.\n");
 212                         goto exit;
 213                 }
 214
 215                 while (1) {
 216                         char *buffer = alloca(size);
 217                         if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 218                                 fwrite(buffer, size, sizeof(char), fp);
 219                                 printf("PASS, size=%d, ret=%d\n", size, ret);
 220                         } else {
 221                                 printf("FAIL, size=%d, ret=%d\n", size, ret);
 222                         }
 223                 }
 224         }
 225
 226  exit:
 227         audio_in_destroy(input);
 228
 229         fclose(fp);
 230
 231         return ret;
 232
 233 }
 234
 235 int audio_io_loopback_test()
 236 {
 237         int ret, size;
 238         audio_in_h input;
 239         audio_out_h output;
 240         char *buffer = NULL;
 241
 242         ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 243         if (ret != AUDIO_IO_ERROR_NONE) {
 244                 printf("audio_in_create_ex failed. \n");
 245                 return 0;
 246         }
 247         //ret = audio_out_create(16000, AUDIO_CHANNEL_MONO , AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_CALL, &output);
 248         ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 249         if (ret != AUDIO_IO_ERROR_NONE) {
 250                 printf("audio_out_create failed. \n");
 251                 return 0;
 252         }
 253
 254         ret = audio_in_prepare(input);
 255         if (ret != 0) {
 256                 printf("audio_in_prepare failed.\n");
 257                 audio_in_destroy(input);
 258                 return 0;
 259         } else {
 260                 ret = audio_in_get_buffer_size(input, &size);
 261                 if (ret != AUDIO_IO_ERROR_NONE) {
 262                         printf("audio_in_get_buffer_size failed.\n");
 263                         return 0;
 264                 } else {
 265                         printf("size(%d)\n", size);
 266                         buffer = alloca(size);
 267                 }
 268         }
 269
 270         ret = audio_out_prepare(output);
 271         if (ret != 0) {
 272                 printf("audio_out_prepare failed.\n");
 273                 audio_out_destroy(output);
 274                 return 0;
 275         }
 276
 277         if (buffer == NULL) {
 278                 printf("buffer is null\n");
 279                 return 0;
 280         }
 281
 282         while (1) {
 283                 ret = audio_in_read(input, (void *)buffer, size);
 284                 if (ret > AUDIO_IO_ERROR_NONE) {
 285                         ret = audio_out_write(output, buffer, size);
 286                         if (ret > AUDIO_IO_ERROR_NONE) {
 287                                 printf("audio read/write success. buffer(%p), size(%d)\n", buffer, size);
 288                         } else {
 289                                 printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
 290                         }
 291                 } else
 292                         printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
 293         }
 294
 295 }
 296
 297 audio_in_h input;
 298 audio_out_h output;
 299
 300 FILE *fp_w = NULL;
 301
 302 sound_stream_info_h g_stream_info_read_h = NULL;
 303 sound_stream_info_h g_stream_info_write_h = NULL;
 304
 305 static void focus_callback(sound_stream_info_h stream_info, sound_stream_focus_change_reason_e reason_for_change, const char *additional_info, void *user_data)
 306 {
 307         int ret = 0;
 308         sound_stream_focus_state_e playback_focus_state;
 309         sound_stream_focus_state_e recording_focus_state;
 310         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);
 311         printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n", reason_for_change, additional_info, user_data);
 312         ret = sound_manager_get_focus_state(stream_info, &playback_focus_state, &recording_focus_state);
 313         if (!ret)
 314                 printf(" - focus_state(playback_focus:%d, recording_focus:%d)\n", playback_focus_state, recording_focus_state);
 315
 316         return;
 317 }
 318
 319 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
 320 {
 321         const void *buffer = NULL;
 322         unsigned int len = (unsigned int)nbytes;
 323
 324         //printf("_audio_io_stream_read_cb : handle=%p, nbytes=%d, user_data=%p\n", handle, nbytes, user_data);
 325
 326         if (len > 0) {
 327                 audio_in_peek(handle, &buffer, &len);
 328                 if (fp_w) {
 329                         fwrite(buffer, sizeof(char), len, fp_w);
 330                 }
 331                 audio_in_drop(handle);
 332         }
 333 }
 334
 335 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
 336 {
 337         short *buffer = NULL;
 338         int ret = 0;
 339         int i = 0;
 340
 341         //printf("_audio_io_stream_write_cb : handle=%p, nbytes=%d, user_data=%p\n", handle, nbytes, user_data);
 342
 343         if (nbytes > 0) {
 344                 buffer = (short *)malloc(nbytes);
 345                 if (buffer == NULL) {
 346                         printf("malloc failed\n");
 347                         return;
 348                 }
 349                 memset(buffer, 0, nbytes);
 350
 351                 for (i = 0; i < nbytes / 2; i += 2) {
 352                         buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
 353                         buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel];    /* right */
 354                         test_wav.left_channel += 1;
 355                         if (test_wav.left_channel >= TABLE_SIZE)
 356                                 test_wav.left_channel -= TABLE_SIZE;
 357                         test_wav.right_channel += 3;
 358                         if (test_wav.right_channel >= TABLE_SIZE)
 359                                 test_wav.right_channel -= TABLE_SIZE;
 360                 }
 361
 362                 ret = audio_out_write(handle, buffer, nbytes);
 363                 if (ret > AUDIO_IO_ERROR_NONE) {
 364                         //printf("audio write success. buffer(%p), nbytes(%d)\n", buffer, nbytes);
 365                 }
 366
 367                 free(buffer);
 368         }
 369 }
 370
 371 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)
 372 {
 373         printf(">>> _audio_in_state_cb() : handle(%p), current(%d), previous(%d), by_policy(%d), user_data(%p)\n", handle, current, previous, by_policy, user_data);
 374 }
 375
 376 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)
 377 {
 378         printf(">>> _audio_out_state_cb() : handle(%p), current(%d), previous(%d), by_policy(%d), user_data(%p)\n", handle, current, previous, by_policy, user_data);
 379 }
 380
 381 int _convert_cmd_and_run(char cmd, int mode)
 382 {
 383         int ret = 0;
 384         switch (cmd) {
 385         case 'P':
 386                 if (mode & 0x01)
 387                         ret = audio_out_prepare(output);
 388                 if (mode & 0x02)
 389                         ret = audio_in_prepare(input);
 390                 break;
 391         case 'u':
 392                 if (mode & 0x01)
 393                         ret = audio_out_unprepare(output);
 394                 if (mode & 0x02)
 395                         ret = audio_in_unprepare(input);
 396                 break;
 397         case 'p':
 398                 if (mode & 0x01)
 399                         ret = audio_out_pause(output);
 400                 if (mode & 0x02)
 401                         ret = audio_in_pause(input);
 402                 break;
 403         case 'r':
 404                 if (mode & 0x01)
 405                         ret = audio_out_resume(output);
 406                 if (mode & 0x02)
 407                         ret = audio_in_resume(input);
 408                 break;
 409         case 'd':
 410                 if (mode & 0x01)
 411                         ret = audio_out_drain(output);
 412                 //if (mode & 0x02)  ret = audio_in_drain(input);
 413                 break;
 414         case 'f':
 415                 if (mode & 0x01)
 416                         ret = audio_out_flush(output);
 417                 if (mode & 0x02)
 418                         ret = audio_in_flush(input);
 419                 break;
 420         case 'i':
 421                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 422                 if (ret) {
 423                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 424                 }
 425                 break;
 426         case 'q':                                       /* quit */
 427                 ret = 1;
 428                 break;
 429         default:
 430                 ret = 1;
 431                 break;
 432         }
 433         return ret;
 434 }
 435
 436 int audio_io_async_test(int mode)
 437 {
 438         int ret, size;
 439         char *buffer = NULL;
 440         int i = 0;
 441
 442         char cmd = 0;
 443         int cmd_ret;
 444
 445         int write_mode = (mode & 0x01);
 446         int read_mode = (mode & 0x02);
 447
 448         sound_stream_focus_state_e playback_focus_state;
 449         sound_stream_focus_state_e recording_focus_state;
 450
 451         if ((write_mode == 0) && (read_mode == 0)) {
 452                 printf("not vaild mode.\n");
 453                 return 0;
 454         }
 455
 456         if (read_mode) {
 457
 458                 printf("audio_in_create\n");
 459                 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 460                 if (ret != AUDIO_IO_ERROR_NONE) {
 461                         printf("audio_in_create_ex failed. \n");
 462                         return 0;
 463                 }
 464                 printf("audio_in_create success!!! [%p]\n", input);
 465
 466                 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
 467                 if (ret != AUDIO_IO_ERROR_NONE) {
 468                         printf("audio_in_set_stream_cb failed. \n");
 469                         goto EXIT;
 470                 }
 471                 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
 472
 473                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 474                 if (ret != AUDIO_IO_ERROR_NONE) {
 475                         printf("audio_out_set_state_changed_cb failed. \n");
 476                         goto EXIT;
 477                 }
 478                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
 479
 480                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_read_h);
 481                 if (ret) {
 482                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 483                         goto EXIT;
 484                 }
 485                 ret = audio_in_set_stream_info(input, g_stream_info_read_h);
 486                 if (ret)
 487                         printf("fail to audio_in_set_stream_info(), ret(0x%x)\n", ret);
 488
 489                 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, NULL);
 490                 if (ret) {
 491                         printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
 492                         goto EXIT;
 493                 }
 494
 495                 fp_w = fopen("/tmp/pcm_w.raw", "w");
 496         }
 497
 498         if (write_mode) {
 499                 printf("before audio_out_create\n");
 500                 getchar();
 501
 502                 printf("audio_out_create\n");
 503                 //ret = audio_out_create(44100, AUDIO_CHANNEL_STEREO , AUDIO_SAMPLE_TYPE_S16_LE, SOUND_TYPE_MEDIA, &output);
 504                 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 505                 if (ret != AUDIO_IO_ERROR_NONE) {
 506                         printf("audio_out_create failed. \n");
 507                         goto EXIT;
 508                 }
 509                 printf("audio_out_create success!!! [%p]\n", output);
 510
 511                 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
 512                 if (ret != AUDIO_IO_ERROR_NONE) {
 513                         printf("audio_out_set_stream_cb failed. \n");
 514                         goto EXIT;
 515                 }
 516                 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
 517
 518                 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 519                 if (ret != AUDIO_IO_ERROR_NONE) {
 520                         printf("audio_out_set_state_changed_cb failed. \n");
 521                         goto EXIT;
 522                 }
 523                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
 524
 525                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 526                 if (ret) {
 527                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 528                         goto EXIT;
 529                 }
 530                 ret = audio_out_set_stream_info(output, g_stream_info_write_h);
 531                 if (ret)
 532                         printf("fail to audio_out_set_stream_info(), ret(0x%x)\n", ret);
 533
 534                 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, NULL);
 535                 if (ret) {
 536                         printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
 537                         goto EXIT;
 538                 }
 539
 540                 //generate wave data
 541                 for (i = 0; i < TABLE_SIZE; i++) {
 542                         test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
 543                 }
 544                 test_wav.left_channel = test_wav.right_channel = 0;
 545         }
 546
 547         if (read_mode) {
 548                 printf("before audio_in_prepare\n");
 549                 getchar();
 550                 printf("audio_in_prepare\n");
 551                 ret = audio_in_prepare(input);
 552                 if (ret != 0) {
 553                         printf("audio_in_prepare failed.\n");
 554                         audio_in_destroy(input);
 555                         goto EXIT;
 556                 } else {
 557                         ret = audio_in_get_buffer_size(input, &size);
 558                         if (ret != AUDIO_IO_ERROR_NONE) {
 559                                 printf("audio_in_get_buffer_size failed.\n");
 560                                 goto EXIT;
 561                         } else {
 562                                 printf("size(%d)\n", size);
 563                                 buffer = alloca(size);
 564                         }
 565                 }
 566
 567                 if (buffer == NULL) {
 568                         printf("buffer is null\n");
 569                         goto EXIT;
 570                 }
 571         }
 572
 573         if (write_mode) {
 574                 printf("before audio_out_prepare\n");
 575                 getchar();
 576                 printf("audio_out_prepare\n");
 577                 ret = audio_out_prepare(output);
 578                 if (ret != 0) {
 579                         printf("audio_out_prepare failed.\n");
 580                         audio_out_destroy(output);
 581                         goto EXIT;
 582                 }
 583         }
 584
 585         do {
 586                 printf("command(q:quit) : ");
 587                 cmd = (char)getchar();
 588                 if (cmd != '\n')
 589                         getchar();
 590                 cmd_ret = _convert_cmd_and_run(cmd, mode);
 591                 printf("  - result code : %d\n", cmd_ret);
 592         } while (cmd != 'q');
 593
 594         //printf ("loop start\n");
 595         //for (i=0; i<10; i++) {
 596         //    printf ("-------- %d -------\n",i);
 597         //    usleep (1000000);
 598         //}
 599
 600         //getchar();
 601
 602 EXIT:
 603         if (read_mode) {
 604                 if (input) {
 605                         printf("audio_in_unprepare\n");
 606                         audio_in_unprepare(input);
 607                         printf("audio_in_destroy\n");
 608                         audio_in_destroy(input);
 609                         input = NULL;
 610                 }
 611
 612                 if (fp_w) {
 613                         fclose(fp_w);
 614                         fp_w = NULL;
 615                 }
 616
 617                 if (g_stream_info_read_h) {
 618                         ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
 619                         if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 620                                 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, NULL);
 621                                 if (ret)
 622                                         printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
 623                         }
 624                         ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
 625                         if (ret)
 626                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 627                         g_stream_info_read_h = NULL;
 628                 }
 629         }
 630         //getchar();
 631
 632         if (write_mode) {
 633                 if (output) {
 634                         printf("audio_out_unprepare\n");
 635                         audio_out_unprepare(output);
 636                         printf("audio_out_destroy\n");
 637                         audio_out_destroy(output);
 638                 }
 639
 640                 if (g_stream_info_write_h) {
 641                         ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
 642                         if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 643                                 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, NULL);
 644                                 if (ret)
 645                                         printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
 646                         }
 647                         ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
 648                         if (ret)
 649                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 650                         g_stream_info_write_h = NULL;
 651                 }
 652         }
 653
 654         return 0;
 655 }
 656
 657 int main(int argc, char **argv)
 658 {
 659         if (argc == 2 && !strcmp(argv[1], "call-forwarding-loop")) {
 660                 audio_io_loopback_test();
 661         } else if (argc == 2 && !strcmp(argv[1], "call-forwarding-in")) {
 662                 audio_io_loopback_in_test();
 663         } else if (argc == 3 && !strcmp(argv[1], "async")) {
 664                 audio_io_async_test(atoi(argv[2]));
 665         } else if (argc == 4) {
 666                 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
 667                 audio_io_test(atoi(argv[1]), atoi(argv[2]), atoi(argv[3]));
 668         } else if (argc == 6) {
 669                 play_file_sample(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
 670         } else {
 671                 printf("1. usage : audio_io_test call-forwarding-loop\n");
 672                 printf("2. usage : audio_io_test call-forwarding-in\n");
 673                 printf("3. usage : audio_io_test [length to read] [number of iteration] [channels]\n");
 674                 printf("4. usage : audio_io_test async [write(1) | read(2)]\n");
 675                 printf("5. Uasge : audio_io_test play [filename] [sample rate] [channels] [type(0:U8)]\n");
 676         }
 677         return 0;
 678 }