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                 while (1) {
 247                         char *buffer = alloca(size);
 248                         if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
 249                                 fwrite(buffer, size, sizeof(char), fp);
 250                                 printf("PASS, size=%d, ret=0x%x\n", size, ret);
 251                         } else {
 252                                 printf("FAIL, size=%d, ret=0x%x\n", size, ret);
 253                         }
 254                 }
 255         }
 256
 257  exit:
 258         audio_in_destroy(input);
 259
 260         fclose(fp);
 261
 262         return ret;
 263
 264 }
 265
 266 int audio_io_loopback_test()
 267 {
 268         int ret, size;
 269         audio_in_h input;
 270         audio_out_h output;
 271         char *buffer = NULL;
 272
 273         ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 274         if (ret != AUDIO_IO_ERROR_NONE) {
 275                 printf("audio_in_create_ex failed. \n");
 276                 return ret;
 277         }
 278         ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 279         if (ret != AUDIO_IO_ERROR_NONE) {
 280                 printf("audio_out_create failed. \n");
 281                 return ret;
 282         }
 283
 284         ret = audio_in_prepare(input);
 285         if (ret != 0) {
 286                 printf("audio_in_prepare failed, err(0x%x)\n", ret);
 287                 audio_in_destroy(input);
 288                 return ret;
 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                         return 0;
 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                 audio_out_destroy(output);
 304                 return ret;
 305         }
 306
 307         if (buffer == NULL) {
 308                 printf("buffer is null\n");
 309                 return -1;
 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 }
 325
 326 audio_in_h input;
 327 audio_out_h output;
 328
 329 FILE *fp_w = NULL;
 330
 331 sound_stream_info_h g_stream_info_read_h = NULL;
 332 sound_stream_info_h g_stream_info_write_h = NULL;
 333
 334 static void focus_callback(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state,
 335                                 sound_stream_focus_change_reason_e reason_for_change, int sound_behavior, const char *additional_info, void *user_data)
 336 {
 337         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);
 338         printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n", reason_for_change, additional_info, user_data);
 339         printf(" - focus_state is :%d \n", focus_state);
 340
 341         return;
 342 }
 343
 344 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
 345 {
 346         const void *buffer = NULL;
 347         unsigned int len = (unsigned int)nbytes;
 348
 349         if (len > 0) {
 350                 audio_in_peek(handle, &buffer, &len);
 351                 if (fp_w)
 352                         fwrite(buffer, sizeof(char), len, fp_w);
 353                 audio_in_drop(handle);
 354         }
 355 }
 356
 357 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
 358 {
 359         short *buffer = NULL;
 360         int i = 0;
 361
 362         if (nbytes > 0) {
 363                 buffer = (short *)malloc(nbytes);
 364                 if (buffer == NULL) {
 365                         printf("malloc failed\n");
 366                         return;
 367                 }
 368                 memset(buffer, 0, nbytes);
 369
 370                 for (i = 0; i < nbytes / 2; i += 2) {
 371                         buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
 372                         buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel];    /* right */
 373                         test_wav.left_channel += 1;
 374                         if (test_wav.left_channel >= TABLE_SIZE)
 375                                 test_wav.left_channel -= TABLE_SIZE;
 376                         test_wav.right_channel += 3;
 377                         if (test_wav.right_channel >= TABLE_SIZE)
 378                                 test_wav.right_channel -= TABLE_SIZE;
 379                 }
 380
 381                 audio_out_write(handle, buffer, nbytes);
 382
 383                 free(buffer);
 384         }
 385 }
 386
 387 int _convert_cmd_and_run(char cmd, int mode)
 388 {
 389         int ret = 0;
 390         switch (cmd) {
 391         case 'P':
 392                 if (mode & 0x01)
 393                         ret = audio_out_prepare(output);
 394                 if (mode & 0x02)
 395                         ret = audio_in_prepare(input);
 396                 break;
 397         case 'u':
 398                 if (mode & 0x01)
 399                         ret = audio_out_unprepare(output);
 400                 if (mode & 0x02)
 401                         ret = audio_in_unprepare(input);
 402                 break;
 403         case 'p':
 404                 if (mode & 0x01)
 405                         ret = audio_out_pause(output);
 406                 if (mode & 0x02)
 407                         ret = audio_in_pause(input);
 408                 break;
 409         case 'r':
 410                 if (mode & 0x01)
 411                         ret = audio_out_resume(output);
 412                 if (mode & 0x02)
 413                         ret = audio_in_resume(input);
 414                 break;
 415         case 'd':
 416                 if (mode & 0x01)
 417                         ret = audio_out_drain(output);
 418                 break;
 419         case 'f':
 420                 if (mode & 0x01)
 421                         ret = audio_out_flush(output);
 422                 if (mode & 0x02)
 423                         ret = audio_in_flush(input);
 424                 break;
 425         case 'i':
 426                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 427                 if (ret)
 428                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 429                 break;
 430         case 'q':                                       /* quit */
 431                 ret = 1;
 432                 break;
 433         default:
 434                 ret = 1;
 435                 break;
 436         }
 437         return ret;
 438 }
 439
 440 int audio_io_async_test(int mode)
 441 {
 442         int ret, size;
 443         char *buffer = NULL;
 444         int i = 0;
 445
 446         char cmd = 0;
 447         int cmd_ret;
 448
 449         int write_mode = (mode & 0x01);
 450         int read_mode = (mode & 0x02);
 451
 452         sound_stream_focus_state_e playback_focus_state;
 453         sound_stream_focus_state_e recording_focus_state;
 454
 455         if ((write_mode == 0) && (read_mode == 0)) {
 456                 printf("not vaild mode.\n");
 457                 return 0;
 458         }
 459
 460         if (read_mode) {
 461
 462                 printf("audio_in_create\n");
 463                 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
 464                 if (ret != AUDIO_IO_ERROR_NONE) {
 465                         printf("audio_in_create_ex failed. \n");
 466                         return 0;
 467                 }
 468                 printf("audio_in_create success!!! [%p]\n", input);
 469
 470                 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
 471                 if (ret != AUDIO_IO_ERROR_NONE) {
 472                         printf("audio_in_set_stream_cb failed. \n");
 473                         goto EXIT;
 474                 }
 475                 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
 476
 477                 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
 478                 if (ret != AUDIO_IO_ERROR_NONE) {
 479                         printf("audio_out_set_state_changed_cb failed. \n");
 480                         goto EXIT;
 481                 }
 482                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
 483
 484                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_read_h);
 485                 if (ret) {
 486                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 487                         goto EXIT;
 488                 }
 489                 ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
 490                 if (ret)
 491                         printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
 492
 493                 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 494                 if (ret) {
 495                         printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
 496                         goto EXIT;
 497                 }
 498
 499                 fp_w = fopen("/tmp/pcm_w.raw", "w");
 500         }
 501
 502         if (write_mode) {
 503                 printf("before audio_out_create\n");
 504                 getchar();
 505
 506                 printf("audio_out_create\n");
 507                 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
 508                 if (ret != AUDIO_IO_ERROR_NONE) {
 509                         printf("audio_out_create failed. \n");
 510                         goto EXIT;
 511                 }
 512                 printf("audio_out_create success!!! [%p]\n", output);
 513
 514                 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
 515                 if (ret != AUDIO_IO_ERROR_NONE) {
 516                         printf("audio_out_set_stream_cb failed. \n");
 517                         goto EXIT;
 518                 }
 519                 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
 520
 521                 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
 522                 if (ret != AUDIO_IO_ERROR_NONE) {
 523                         printf("audio_out_set_state_changed_cb failed. \n");
 524                         goto EXIT;
 525                 }
 526                 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
 527
 528                 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, focus_callback, NULL, &g_stream_info_write_h);
 529                 if (ret) {
 530                         printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
 531                         goto EXIT;
 532                 }
 533
 534                 ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
 535                 if (ret)
 536                         printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
 537
 538                 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 539                 if (ret) {
 540                         printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
 541                         goto EXIT;
 542                 }
 543
 544                 /* generate wave data */
 545                 for (i = 0; i < TABLE_SIZE; i++)
 546                         test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
 547                 test_wav.left_channel = test_wav.right_channel = 0;
 548         }
 549
 550         if (read_mode) {
 551                 printf("before audio_in_prepare\n");
 552                 getchar();
 553                 printf("audio_in_prepare\n");
 554                 ret = audio_in_prepare(input);
 555                 if (ret != 0) {
 556                         printf("audio_in_prepare failed, err(0x%x)\n", ret);
 557                         audio_in_destroy(input);
 558                         goto EXIT;
 559                 } else {
 560                         ret = audio_in_get_buffer_size(input, &size);
 561                         if (ret != AUDIO_IO_ERROR_NONE) {
 562                                 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
 563                                 goto EXIT;
 564                         } else {
 565                                 printf("size(%d)\n", size);
 566                                 buffer = alloca(size);
 567                         }
 568                 }
 569
 570                 if (buffer == NULL) {
 571                         printf("buffer is null\n");
 572                         goto EXIT;
 573                 }
 574         }
 575
 576         if (write_mode) {
 577                 printf("before audio_out_prepare\n");
 578                 getchar();
 579                 printf("audio_out_prepare\n");
 580                 ret = audio_out_prepare(output);
 581                 if (ret != 0) {
 582                         printf("audio_out_prepare failed, err(0x%x)\n", ret);
 583                         audio_out_destroy(output);
 584                         goto EXIT;
 585                 }
 586         }
 587
 588         do {
 589                 printf("command(q:quit) : ");
 590                 ret = getchar();
 591                 if (ret == EOF)
 592                         goto EXIT;
 593                 cmd = (char)ret;
 594                 if (cmd != '\n')
 595                         getchar();
 596                 cmd_ret = _convert_cmd_and_run(cmd, mode);
 597                 printf("  - result code : %d\n", cmd_ret);
 598         } while (cmd != 'q');
 599
 600 EXIT:
 601         if (read_mode) {
 602                 if (input) {
 603                         printf("audio_in_unprepare\n");
 604                         audio_in_unprepare(input);
 605                         printf("audio_in_destroy\n");
 606                         audio_in_destroy(input);
 607                         input = NULL;
 608                 }
 609
 610                 if (fp_w) {
 611                         fclose(fp_w);
 612                         fp_w = NULL;
 613                 }
 614
 615                 if (g_stream_info_read_h) {
 616                         ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
 617                         if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 618                                 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
 619                                 if (ret)
 620                                         printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
 621                         }
 622                         ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
 623                         if (ret)
 624                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 625                         g_stream_info_read_h = NULL;
 626                 }
 627         }
 628
 629         if (write_mode) {
 630                 if (output) {
 631                         printf("audio_out_unprepare\n");
 632                         audio_out_unprepare(output);
 633                         printf("audio_out_destroy\n");
 634                         audio_out_destroy(output);
 635                 }
 636
 637                 if (g_stream_info_write_h) {
 638                         ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
 639                         if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
 640                                 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
 641                                 if (ret)
 642                                         printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
 643                         }
 644                         ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
 645                         if (ret)
 646                                 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
 647                         g_stream_info_write_h = NULL;
 648                 }
 649         }
 650
 651         return 0;
 652 }
 653
 654 int main(int argc, char **argv)
 655 {
 656         if (argc == 2 && !strcmp(argv[1], "call-forwarding-loop")) {
 657                 audio_io_loopback_test();
 658         } else if (argc == 2 && !strcmp(argv[1], "call-forwarding-in")) {
 659                 audio_io_loopback_in_test();
 660         } else if (argc == 3 && !strcmp(argv[1], "async")) {
 661                 audio_io_async_test(atoi(argv[2]));
 662         } else if (argc == 4) {
 663                 int channel_idx = atoi(argv[3]);
 664                 if (channel_idx < 0 || channel_idx > 2) {
 665                         printf("Invalid channel\n");
 666                         return 0;
 667                 }
 668                 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
 669                 audio_io_test(atoi(argv[1]), atoi(argv[2]), channel_idx);
 670         } else if (argc == 6) {
 671                 play_file_sample(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
 672         } else {
 673                 printf("1. usage : audio_io_test call-forwarding-loop\n");
 674                 printf("2. usage : audio_io_test call-forwarding-in\n");
 675                 printf("3. usage : audio_io_test [length to read] [number of iteration] [channels]\n");
 676                 printf("4. usage : audio_io_test async [write(1) | read(2)]\n");
 677                 printf("5. Uasge : audio_io_test play [filename] [sample rate] [channels] [type(0:U8)]\n");
 678         }
 679         return 0;
 680 }