2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
22 #include <sound_manager.h>
26 #define M_PI (3.14159265)
29 #define TABLE_SIZE (200)
31 float sine[TABLE_SIZE];
37 static int ch_table[] = { 0, AUDIO_CHANNEL_MONO, AUDIO_CHANNEL_STEREO,
38 AUDIO_CHANNEL_MULTI_3, AUDIO_CHANNEL_MULTI_4, AUDIO_CHANNEL_MULTI_5,
39 AUDIO_CHANNEL_MULTI_6, AUDIO_CHANNEL_MULTI_7, AUDIO_CHANNEL_MULTI_8 };
40 static char *state_str[] = { "IDLE", "RUNNING", "PAUSED" };
42 static void _audio_in_state_cb(audio_in_h handle, audio_io_state_e previous, audio_io_state_e current,
43 bool by_policy, void *user_data)
45 printf(">>> _audio_in_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
46 handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
49 static void _audio_out_state_cb(audio_out_h handle, audio_io_state_e previous, audio_io_state_e current,
50 bool by_policy, void *user_data)
52 printf(">>> _audio_out_state_cb() : handle(%p), (%d,%s) => (%d,%s), by_policy(%d), user_data(%p)\n",
53 handle, previous, state_str[previous], current, state_str[current], by_policy, user_data);
56 static void _play_file(char *file, int length, int num, int ch)
60 int total_length = length * num;
62 FILE *fp = fopen(file, "r");
64 printf("fopen failed\n");
68 char *buf = malloc(total_length);
70 printf("malloc failed\n");
75 printf("# start to play [%s][%d][%d]\n", file, total_length, ch);
76 printf(" > create\n");
77 audio_out_create_new(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &output);
78 if (fread(buf, 1, total_length, fp) != total_length)
79 printf("error!!!!\n");
81 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
82 if (ret != AUDIO_IO_ERROR_NONE) {
83 printf("audio_out_set_state_changed_cb failed. \n");
86 printf(" > prepare\n");
87 audio_out_prepare(output);
90 for (i = 0; i < num; i++) {
91 printf("### write = (%d/%d) ============== \n", i, num);
92 audio_out_write(output, pbuf, length);
96 printf(" < unprepare\n");
97 audio_out_drain(output);
98 audio_out_unprepare(output);
100 printf(" < destroy\n");
101 audio_out_destroy(output);
106 printf("# play done\n");
109 #define DUMP_FILE "/root/test.raw"
113 static void _audio_out_stream_cb(audio_out_h handle, size_t nbytes, void *user_data)
120 printf("FILE is NULL\n");
124 buf = (char *)malloc(nbytes);
126 read_bytes = fread(buf, 1, nbytes, fp);
128 written = audio_out_write(handle, buf, read_bytes);
129 printf("written : %6d/%6d (requested %zu)\n", written, read_bytes, nbytes);
131 if (read_bytes < nbytes) {
139 static void _play_file_sample_async(char *file, int frequency, int ch, int type)
144 if (ch < 0 || ch > 2)
147 fp = fopen(file, "r");
149 printf("open failed\n");
152 printf("start to play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
153 audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
155 audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
156 audio_out_set_stream_cb(output, _audio_out_stream_cb, fp);
157 audio_out_prepare(output);
160 usleep(10000); /* 10ms */
163 printf("FINISHED!!!\n");
165 audio_out_unprepare(output);
166 audio_out_destroy(output);
168 printf("play done\n");
171 static void _play_file_sample_sync(char *file, int frequency, int ch, int type)
181 if (ch < 0 || ch > 2)
184 fp = fopen(file, "r");
186 printf("open failed\n");
190 fseek(fp, 0, SEEK_END);
191 file_size = ftell(fp);
192 fseek(fp, 0, SEEK_SET);
194 printf("Play [%s] of size [%d] with [%d][%d][%d]\n", file, file_size, frequency, ch, type);
195 audio_out_create_new(frequency, ch_table[ch], AUDIO_SAMPLE_TYPE_U8 + type, &output);
197 audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
198 audio_out_prepare(output);
200 audio_out_get_buffer_size(output, &buffer_size);
201 buf = (char *)malloc(buffer_size);
203 printf("malloc failed\n");
207 printf("Press any key to continue....\n");
209 printf("Start to read[%d] from file and write : \n", buffer_size);
211 while (file_size > 0) {
212 read_bytes = fread(buf, 1, buffer_size, fp);
221 audio_out_write(output, buf, read_bytes);
222 file_size = file_size - read_bytes;
227 audio_out_unprepare(output);
228 audio_out_destroy(output);
235 printf("\nEOS!!!! Play done\n");
238 static int _record_and_play(int length, int num, int ch)
241 audio_in_h input = NULL;
245 ret = audio_in_create(44100, ch_table[ch], AUDIO_SAMPLE_TYPE_S16_LE, &input);
246 if (ret != AUDIO_IO_ERROR_NONE) {
247 printf("audio in create error = 0x%x\n", ret);
251 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
252 if (ret != AUDIO_IO_ERROR_NONE) {
253 printf("audio_in_set_state_changed_cb failed. \n");
257 ret = audio_in_prepare(input);
258 if (ret != AUDIO_IO_ERROR_NONE) {
259 printf("ERROR, prepare\n");
263 fp = fopen(DUMP_FILE, "wb+");
265 printf("ERROR, file open failed\n");
269 ret = audio_in_get_buffer_size(input, &size);
270 if (ret != AUDIO_IO_ERROR_NONE) {
271 printf("ERROR, prepare\n");
276 buffer = alloca(size);
278 for (i = 0; i < num; i++) {
279 printf("### read = (%d/%d) ============== ", i, num);
280 if ((ret = audio_in_read(input, (void *)buffer, size)) > AUDIO_IO_ERROR_NONE) {
281 fwrite(buffer, size, sizeof(char), fp);
282 printf("PASS, size=%d, ret=0x%x\n", size, ret);
284 printf("FAIL, size=%d, ret=0x%x\n", size, ret);
290 audio_in_unprepare(input);
291 audio_in_destroy(input);
293 _play_file(DUMP_FILE, length, num, ch);
298 audio_in_destroy(input);
304 static int _direct_loopback()
307 audio_in_h input = NULL;
308 audio_out_h output = NULL;
312 ret = audio_in_create(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
313 if (ret != AUDIO_IO_ERROR_NONE) {
314 printf("audio_in_create_ex failed. \n");
317 ret = audio_out_create_new(16000, AUDIO_CHANNEL_MONO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
318 if (ret != AUDIO_IO_ERROR_NONE) {
319 printf("audio_out_create_new failed. \n");
323 ret = audio_in_prepare(input);
325 printf("audio_in_prepare failed, err(0x%x)\n", ret);
329 ret = audio_in_get_buffer_size(input, &size);
330 if (ret != AUDIO_IO_ERROR_NONE) {
331 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
335 printf("size(%d)\n", size);
336 buffer = alloca(size);
338 ret = audio_out_prepare(output);
340 printf("audio_out_prepare failed, err(0x%x)\n", ret);
344 if (buffer == NULL) {
345 printf("buffer is null\n");
350 printf("Start to loopback(read/write) with [16kHz/MONO/S16LE]!!!\n");
353 ret = audio_in_read(input, (void *)buffer, size);
354 if (ret > AUDIO_IO_ERROR_NONE) {
355 ret = audio_out_write(output, buffer, size);
356 if (ret > AUDIO_IO_ERROR_NONE) {
366 printf("audio read success, write failed. buffer(%p), size(%d)\n", buffer, size);
369 printf("audio read/write failed. buffer(%p), size(%d)\n", buffer, size);
376 audio_in_destroy(input);
378 audio_out_destroy(output);
389 sound_stream_info_h g_stream_info_read_h = NULL;
390 sound_stream_info_h g_stream_info_write_h = NULL;
392 static void _focus_cb(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask,
393 sound_stream_focus_state_e focus_state,
394 sound_stream_focus_change_reason_e reason_for_change, int sound_behavior,
395 const char *additional_info, void *user_data)
397 printf("*** focus_callback_read is called, stream_info(%p, read(%p)/write(%p)) ***\n",
398 stream_info, g_stream_info_read_h, g_stream_info_write_h);
399 printf(" - reason_for_change(%d), additional_info(%s), user_data(%p)\n",
400 reason_for_change, additional_info, user_data);
401 printf(" - focus_state is :%d \n", focus_state);
406 static void _audio_io_stream_read_cb(audio_in_h handle, size_t nbytes, void *user_data)
408 const void *buffer = NULL;
409 unsigned int len = (unsigned int)nbytes;
414 audio_in_peek(handle, &buffer, &len);
416 fwrite(buffer, sizeof(char), len, fp_w);
417 audio_in_drop(handle);
420 static void _audio_io_stream_write_cb(audio_out_h handle, size_t nbytes, void *user_data)
422 short *buffer = NULL;
428 buffer = (short *)malloc(nbytes);
429 if (buffer == NULL) {
430 printf("malloc failed\n");
433 memset(buffer, 0, nbytes);
435 for (i = 0; i < nbytes / 2; i += 2) {
436 buffer[i] = (short)32768 *test_wav.sine[test_wav.left_channel]; /* left */
437 buffer[i + 1] = (short)32768 *test_wav.sine[test_wav.right_channel]; /* right */
438 test_wav.left_channel += 1;
439 if (test_wav.left_channel >= TABLE_SIZE)
440 test_wav.left_channel -= TABLE_SIZE;
441 test_wav.right_channel += 3;
442 if (test_wav.right_channel >= TABLE_SIZE)
443 test_wav.right_channel -= TABLE_SIZE;
446 audio_out_write(handle, buffer, nbytes);
451 int _convert_cmd_and_run(char cmd, int mode)
457 ret = audio_out_prepare(output);
459 ret = audio_in_prepare(input);
463 ret = audio_out_unprepare(output);
465 ret = audio_in_unprepare(input);
469 ret = audio_out_pause(output);
471 ret = audio_in_pause(input);
475 ret = audio_out_resume(output);
477 ret = audio_in_resume(input);
481 ret = audio_out_drain(output);
485 ret = audio_out_flush(output);
487 ret = audio_in_flush(input);
490 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
492 printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
504 int audio_io_async_test(int mode)
513 int write_mode = (mode & 0x01);
514 int read_mode = (mode & 0x02);
516 sound_stream_focus_state_e playback_focus_state;
517 sound_stream_focus_state_e recording_focus_state;
519 if ((write_mode == 0) && (read_mode == 0)) {
520 printf("not vaild mode.\n");
526 printf("audio_in_create\n");
527 ret = audio_in_create(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &input);
528 if (ret != AUDIO_IO_ERROR_NONE) {
529 printf("audio_in_create_ex failed. \n");
532 printf("audio_in_create success!!! [%p]\n", input);
534 ret = audio_in_set_stream_cb(input, _audio_io_stream_read_cb, NULL);
535 if (ret != AUDIO_IO_ERROR_NONE) {
536 printf("audio_in_set_stream_cb failed. \n");
539 printf("audio_in_set_stream_cb success!!! [%p]\n", input);
541 ret = audio_in_set_state_changed_cb(input, _audio_in_state_cb, NULL);
542 if (ret != AUDIO_IO_ERROR_NONE) {
543 printf("audio_out_set_state_changed_cb failed. \n");
546 printf("audio_out_set_state_changed_cb success!!! [%p]\n", input);
548 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_read_h);
550 printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
553 ret = audio_in_set_sound_stream_info(input, g_stream_info_read_h);
555 printf("fail to audio_in_set_sound_stream_info(), ret(0x%x)\n", ret);
557 ret = sound_manager_acquire_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
559 printf("fail to sound_manager_acquire_focus() for RECORDING, ret(0x%x)\n", ret);
563 fp_w = fopen("/tmp/pcm_w.raw", "w");
567 printf("before audio_out_create_new\n");
570 printf("audio_out_create_new\n");
571 ret = audio_out_create_new(44100, AUDIO_CHANNEL_STEREO, AUDIO_SAMPLE_TYPE_S16_LE, &output);
572 if (ret != AUDIO_IO_ERROR_NONE) {
573 printf("audio_out_create_new failed. \n");
576 printf("audio_out_create_new success!!! [%p]\n", output);
578 ret = audio_out_set_stream_cb(output, _audio_io_stream_write_cb, NULL);
579 if (ret != AUDIO_IO_ERROR_NONE) {
580 printf("audio_out_set_stream_cb failed. \n");
583 printf("audio_out_set_stream_cb success!!! [%p]\n", output);
585 ret = audio_out_set_state_changed_cb(output, _audio_out_state_cb, NULL);
586 if (ret != AUDIO_IO_ERROR_NONE) {
587 printf("audio_out_set_state_changed_cb failed. \n");
590 printf("audio_out_set_state_changed_cb success!!! [%p]\n", output);
592 ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_MEDIA, _focus_cb, NULL, &g_stream_info_write_h);
594 printf("fail to sound_manager_create_stream_information(), ret(0x%x)\n", ret);
598 ret = audio_out_set_sound_stream_info(output, g_stream_info_write_h);
600 printf("fail to audio_out_set_sound_stream_info(), ret(0x%x)\n", ret);
602 ret = sound_manager_acquire_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
604 printf("fail to sound_manager_acquire_focus() for PLAYBACK, ret(0x%x)\n", ret);
608 /* generate wave data */
609 for (i = 0; i < TABLE_SIZE; i++)
610 test_wav.sine[i] = 0.9 * (float)sin(((double)i / (double)TABLE_SIZE) * M_PI * 2.);
611 test_wav.left_channel = test_wav.right_channel = 0;
615 printf("before audio_in_prepare\n");
617 printf("audio_in_prepare\n");
618 ret = audio_in_prepare(input);
620 printf("audio_in_prepare failed, err(0x%x)\n", ret);
621 audio_in_destroy(input);
624 ret = audio_in_get_buffer_size(input, &size);
625 if (ret != AUDIO_IO_ERROR_NONE) {
626 printf("audio_in_get_buffer_size failed, err(0x%x)\n", ret);
629 printf("size(%d)\n", size);
630 buffer = alloca(size);
634 if (buffer == NULL) {
635 printf("buffer is null\n");
641 printf("before audio_out_prepare\n");
643 printf("audio_out_prepare\n");
644 ret = audio_out_prepare(output);
646 printf("audio_out_prepare failed, err(0x%x)\n", ret);
647 audio_out_destroy(output);
653 printf("command(q:quit) : ");
660 cmd_ret = _convert_cmd_and_run(cmd, mode);
661 printf(" - result code : %d\n", cmd_ret);
662 } while (cmd != 'q');
667 printf("audio_in_unprepare\n");
668 audio_in_unprepare(input);
669 printf("audio_in_destroy\n");
670 audio_in_destroy(input);
679 if (g_stream_info_read_h) {
680 ret = sound_manager_get_focus_state(g_stream_info_read_h, NULL, &recording_focus_state);
681 if (recording_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
682 ret = sound_manager_release_focus(g_stream_info_read_h, SOUND_STREAM_FOCUS_FOR_RECORDING, SOUND_BEHAVIOR_NONE, NULL);
684 printf("fail to sound_manager_release_focus() for recording, ret(0x%x)\n", ret);
686 ret = sound_manager_destroy_stream_information(g_stream_info_read_h);
688 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
689 g_stream_info_read_h = NULL;
695 printf("audio_out_unprepare\n");
696 audio_out_unprepare(output);
697 printf("audio_out_destroy\n");
698 audio_out_destroy(output);
701 if (g_stream_info_write_h) {
702 ret = sound_manager_get_focus_state(g_stream_info_write_h, &playback_focus_state, NULL);
703 if (playback_focus_state == SOUND_STREAM_FOCUS_STATE_ACQUIRED) {
704 ret = sound_manager_release_focus(g_stream_info_write_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
706 printf("fail to sound_manager_release_focus() for playback, ret(0x%x)\n", ret);
708 ret = sound_manager_destroy_stream_information(g_stream_info_write_h);
710 printf("fail to sound_manager_destroy_stream_information(), ret(0x%x)\n", ret);
711 g_stream_info_write_h = NULL;
718 int main(int argc, char **argv)
720 setbuf(stdout, NULL);
722 if (argc == 2 && !strcmp(argv[1], "loopback")) {
724 } else if (argc == 3 && !strcmp(argv[1], "async")) {
725 audio_io_async_test(atoi(argv[2]));
726 } else if (argc == 4) {
727 int channel_idx = atoi(argv[3]);
728 if (channel_idx < 0 || channel_idx > 8) {
729 printf("Invalid channel\n");
732 printf("run with [%s][%s][%s]\n", argv[1], argv[2], argv[3]);
733 _record_and_play(atoi(argv[1]), atoi(argv[2]), channel_idx);
734 } else if (argc == 6) {
735 if (strcmp(argv[1], "play") == 0)
736 _play_file_sample_sync(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
737 else if (strcmp(argv[1], "playasync") == 0)
738 _play_file_sample_async(argv[2], atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
740 printf("- Usages :\n");
741 printf("- # audio_io_test loopback\n");
742 printf("- # audio_io_test [length to read] [number of iteration] [channels]\n");
743 printf("- # audio_io_test async [write(1) | read(2)]\n");
744 printf("- # audio_io_test play [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");
745 printf("- # audio_io_test playasync [filename] [sample rate] [channels] [type(0:U8,1:S16LE,2:S24LE,3:S24_32LE)]\n");