2 * Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 * http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
23 #include <sound_manager.h>
24 #include <sound_manager_internal.h>
26 #include <bluetooth_product.h>
29 #include <farfield-voice-api.h>
33 #include "sttd_dbus.h"
34 #include "sttd_recorder.h"
35 #include "sttd_main.h"
36 #include "sttd_engine_agent.h"
37 #include "sttd_client_data.h"
39 #define STTE_AUDIO_ID_NONE "STT_AUDIO_ID_NONE" /**< None audio id */
41 #define STTE_AUDIO_ID_FFV "STT_FARFIELD_VOICE_VD"
44 #define FRAME_LENGTH 320
45 #define BUFFER_LENGTH FRAME_LENGTH * 2
47 static pthread_mutex_t sttd_audio_in_handle_mutex = PTHREAD_MUTEX_INITIALIZER;
50 static Ecore_Timer* g_audio_timer = NULL;
54 STTD_RECORDER_STATE_NONE = -1,
55 STTD_RECORDER_STATE_READY = 0, /**< Recorder is ready to start */
56 STTD_RECORDER_STATE_RECORDING /**< In the middle of recording */
57 } sttd_recorder_state;
62 stte_audio_type_e audio_type;
65 static stt_recorder_s* g_recorder = NULL;
67 static stt_recorder_audio_cb g_audio_cb;
69 static sound_stream_info_h g_stream_info_h;
71 static stt_recorder_interrupt_cb g_interrupt_cb;
73 static sttd_recorder_state g_recorder_state = STTD_RECORDER_STATE_NONE;
75 static int g_buffer_count;
77 static int g_stream_focus_id;
79 static bool g_is_set_audio_type = false;
82 farfield_voice_h g_farfieldvoice_h = NULL;
85 /* Sound buf save for test */
90 static char g_temp_file_name[128] = {'\0',};
94 static int g_count = 1;
98 static float get_volume_decibel(char* data, int size, stte_audio_type_e type);
100 //static stt_recorder_s* __get_recorder(int engine_id);
102 #define SMART_CONTROL_EXTEND_CMD 0x03
103 #define SMART_CONTROL_START_CMD 0x04
105 static void _bt_cb_hid_state_changed(int result, bool connected, const char *remote_address, void *user_data)
107 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder] Bluetooth Event [%d] Received address [%s]", result, remote_address);
110 static void _bt_hid_audio_data_receive_cb(bt_hid_voice_data_s *voice_data, void *user_data)
112 if (0 >= sttd_client_get_ref_count()) {
113 if (0 == g_buffer_count % 50) {
114 SLOG(LOG_INFO, TAG_STTD, "[Recorder INFO] BT audio function callback is invoked, but no cliet");
116 if (100000 == g_buffer_count) {
124 if (STTD_RECORDER_STATE_RECORDING != g_recorder_state) {
125 SLOG(LOG_INFO, TAG_STTD, "[Recorder] Exit audio reading normal func");
129 if (NULL != g_audio_cb) {
130 if (false == g_is_set_audio_type) {
131 sttd_engine_agent_set_audio_type(STTE_AUDIO_ID_BLUETOOTH);
132 g_is_set_audio_type = true;
135 if (0 != g_audio_cb((void*)voice_data->audio_buf, (unsigned int)voice_data->length)) {
136 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to read audio");
137 sttd_recorder_stop();
140 if (NULL == g_recorder) {
144 float vol_db = get_volume_decibel((char*)voice_data->audio_buf, (int)voice_data->length, g_recorder->audio_type);
145 if (0 != sttdc_send_set_volume(g_recorder->uid, vol_db)) {
146 SLOG(LOG_ERROR, TAG_STTD, "[Recorder] Fail to send recording volume(%f)", vol_db);
150 if (0 == g_buffer_count || 0 == g_buffer_count % 50) {
151 SLOG(LOG_WARN, TAG_STTD, "[Recorder][%d] Recording... : read_size(%d)", g_buffer_count, voice_data->length);
153 if (100000 == g_buffer_count) {
161 /* write pcm buffer */
162 fwrite(data, 1, len, g_pFile);
169 static void _ffv_audio_function_cb(void* data, unsigned int length, void* user_data)
171 if (STTD_RECORDER_STATE_RECORDING != g_recorder_state) {
172 SLOG(LOG_INFO, TAG_STTD, "[Recorder] Exit audio reading normal func");
176 if (0 >= sttd_client_get_ref_count()) {
177 if (0 == g_buffer_count % 50) {
178 SLOG(LOG_INFO, TAG_STTD, "[Recorder INFO] farfield audio function callback is invoked, but no cliet");
180 if (100000 == g_buffer_count) {
188 if (false == g_is_set_audio_type) {
189 sttd_engine_agent_set_audio_type(STTE_AUDIO_ID_FFV);
190 g_is_set_audio_type = true;
193 if (0 == g_buffer_count % 50) {
194 SLOG(LOG_INFO, TAG_STTD, "[Recorder INFO] farfield audio function callback is invoked");
196 if (100000 == g_buffer_count) {
203 if (NULL != g_audio_cb) {
204 if (0 != g_audio_cb(data, length)) {
205 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to read audio");
206 sttd_recorder_stop();
209 if (NULL == g_recorder) {
210 SLOG(LOG_INFO, TAG_STTD, "[Recorder INFO] g_recoder is NULL");
214 float vol_db = get_volume_decibel((char*)data, (int)length, g_recorder->audio_type);
215 if (0 != sttdc_send_set_volume(g_recorder->uid, vol_db)) {
216 SLOG(LOG_ERROR, TAG_STTD, "[Recorder] Fail to send recording volume(%f)", vol_db);
222 const char* __stt_get_focus_changed_reason_code(sound_stream_focus_change_reason_e reason)
225 case SOUND_STREAM_FOCUS_CHANGED_BY_MEDIA: return "SOUND_STREAM_FOCUS_CHANGED_BY_MEDIA";
226 case SOUND_STREAM_FOCUS_CHANGED_BY_SYSTEM: return "SOUND_STREAM_FOCUS_CHANGED_BY_SYSTEM";
227 case SOUND_STREAM_FOCUS_CHANGED_BY_ALARM: return "SOUND_STREAM_FOCUS_CHANGED_BY_ALARM";
228 case SOUND_STREAM_FOCUS_CHANGED_BY_NOTIFICATION: return "SOUND_STREAM_FOCUS_CHANGED_BY_NOTIFICATION";
229 case SOUND_STREAM_FOCUS_CHANGED_BY_EMERGENCY: return "SOUND_STREAM_FOCUS_CHANGED_BY_EMERGENCY";
230 case SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_INFORMATION: return "SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_INFORMATION";
231 case SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_RECOGNITION: return "SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_RECOGNITION";
232 case SOUND_STREAM_FOCUS_CHANGED_BY_RINGTONE: return "SOUND_STREAM_FOCUS_CHANGED_BY_RINGTONE";
233 case SOUND_STREAM_FOCUS_CHANGED_BY_VOIP: return "SOUND_STREAM_FOCUS_CHANGED_BY_VOIP";
234 case SOUND_STREAM_FOCUS_CHANGED_BY_CALL: return "SOUND_STREAM_FOCUS_CHANGED_BY_CALL";
235 case SOUND_STREAM_FOCUS_CHANGED_BY_MEDIA_EXTERNAL_ONLY: return "SOUND_STREAM_FOCUS_CHANGED_BY_MEDIA_EXTERNAL_ONLY";
236 default: return "Undefined reason code";
240 void __recorder_focus_state_watch_cb(int id, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state,
241 sound_stream_focus_change_reason_e reason, const char *extra_info, void *user_data)
243 SLOG(LOG_WARN, TAG_STTD, "[Recorder] focus_state_watch_cb is called, focus_state(%d), reason(%s)", (int)focus_state, __stt_get_focus_changed_reason_code(reason));
245 if (STTD_RECORDER_STATE_RECORDING == g_recorder_state && SOUND_STREAM_FOCUS_STATE_ACQUIRED == focus_state) {
246 SLOG(LOG_WARN, TAG_STTD, "[Recorder] Focus released as interrupt");
247 if (NULL != g_interrupt_cb) {
253 int sttd_recorder_initialize(stt_recorder_audio_cb audio_cb, stt_recorder_interrupt_cb interrupt_cb)
255 if (NULL == audio_cb || NULL == interrupt_cb) {
256 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Input param is NOT valid");
257 return STTD_ERROR_INVALID_PARAMETER;
260 if (STTD_RECORDER_STATE_NONE != g_recorder_state) {
261 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Current state of recorder is recording");
262 return STTD_ERROR_INVALID_STATE;
265 if (0 != pthread_mutex_init(&sttd_audio_in_handle_mutex, NULL)) {
266 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to initialize audio in handle mutex.");
269 g_audio_cb = audio_cb;
270 g_interrupt_cb = interrupt_cb;
271 g_recorder_state = STTD_RECORDER_STATE_NONE;
274 if (0 != sound_manager_create_stream_information_internal(SOUND_STREAM_TYPE_VOICE_RECOGNITION_SERVICE, NULL, NULL, &g_stream_info_h)) {
275 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to create stream info");
278 if (0 != sound_manager_add_focus_state_watch_cb(SOUND_STREAM_FOCUS_FOR_BOTH, __recorder_focus_state_watch_cb, NULL, &g_stream_focus_id)) {
279 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to add focus state watch callback");
283 g_farfieldvoice_h = farfield_voice_init();
284 if (NULL == g_farfieldvoice_h) {
285 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to init farfield_voice_init");
287 SLOG(LOG_INFO, TAG_STTD, "[Recorder INFO] Register farfield voice audio callback");
288 farfield_voice_register_audio_cb(g_farfieldvoice_h, _ffv_audio_function_cb, NULL);
293 if (BT_ERROR_NONE != bt_product_init()) {
294 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to init bt");
295 return STTD_ERROR_OPERATION_FAILED;
298 if (BT_ERROR_NONE != bt_hid_host_initialize(_bt_cb_hid_state_changed, NULL)) {
299 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail bt_hid_host_initialize()");
300 return STTD_ERROR_OPERATION_FAILED;
307 int sttd_recorder_deinitialize()
309 if (0 != pthread_mutex_destroy(&sttd_audio_in_handle_mutex)) {
310 SLOG(LOG_ERROR, TAG_STTD, "[Server ERROR] Fail to destroy audio in handle mutex.");
313 if (0 != sound_manager_remove_focus_state_watch_cb(g_stream_focus_id)) {
314 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to remove focus state watch callback");
317 if (0 != sound_manager_destroy_stream_information(g_stream_info_h)) {
318 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to destroy stream info");
321 if (NULL != g_recorder) {
322 audio_in_destroy(g_recorder->audio_h);
323 g_recorder->audio_h = NULL;
328 #ifdef __UNUSED_CODES__
329 /* Remove all recorder */
331 stt_recorder_s *recorder = NULL;
333 iter = g_slist_nth(g_recorder_list, 0);
335 while (NULL != iter) {
336 recorder = iter->data;
338 if (NULL != recorder) {
339 g_recorder_list = g_slist_remove(g_recorder_list, recorder);
340 if (recorder->audio_h) {
341 audio_in_destroy(recorder->audio_h);
342 recorder->audio_h = NULL;
347 iter = g_slist_nth(g_recorder_list, 0);
352 if (NULL != g_farfieldvoice_h) {
353 SLOG(LOG_INFO, TAG_STTD, "[Recorder INFO] Unregister farfield voice");
354 farfield_voice_unregister_audio_cb(g_farfieldvoice_h);
355 farfield_voice_final(g_farfieldvoice_h);
356 g_farfieldvoice_h = NULL;
361 bt_hid_host_deinitialize();
366 g_recorder_state = STTD_RECORDER_STATE_NONE;
371 int sttd_recorder_set_audio_session()
376 int sttd_recorder_unset_audio_session()
381 int sttd_recorder_create(stte_audio_type_e type, int channel, unsigned int sample_rate)
383 /* Check engine id is valid */
384 if (NULL != g_recorder) {
385 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Engine id is already registered");
386 return STTD_ERROR_INVALID_PARAMETER;
389 audio_in_h temp_in_h = NULL;
392 audio_channel_e audio_ch;
393 audio_sample_type_e audio_type;
396 case 1: audio_ch = AUDIO_CHANNEL_MONO; break;
397 case 2: audio_ch = AUDIO_CHANNEL_STEREO; break;
399 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Input channel is not supported");
400 return STTD_ERROR_OPERATION_FAILED;
405 case STTE_AUDIO_TYPE_PCM_S16_LE: audio_type = AUDIO_SAMPLE_TYPE_S16_LE; break;
406 case STTE_AUDIO_TYPE_PCM_U8: audio_type = AUDIO_SAMPLE_TYPE_U8; break;
408 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Invalid Audio Type");
409 return STTD_ERROR_OPERATION_FAILED;
414 ret = audio_in_create(sample_rate, audio_ch, audio_type, &temp_in_h);
415 if (AUDIO_IO_ERROR_NONE != ret) {
416 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to create audio handle : %d", ret);
417 return STTD_ERROR_OPERATION_FAILED;
420 if (BT_ERROR_NONE != bt_hid_set_audio_data_receive_cb(_bt_hid_audio_data_receive_cb, NULL)) {
421 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail bt_hid_set_audio_data_receive_cb()");
422 return STTD_ERROR_OPERATION_FAILED;
426 stt_recorder_s* recorder;
427 recorder = (stt_recorder_s*)calloc(1, sizeof(stt_recorder_s));
428 if (NULL == recorder) {
431 audio_in_destroy(temp_in_h);
435 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to allocate memory");
436 return STTD_ERROR_OUT_OF_MEMORY;
440 recorder->audio_h = temp_in_h;
441 recorder->audio_type = type;
443 g_recorder = recorder;
445 g_recorder_state = STTD_RECORDER_STATE_READY;
450 int sttd_recorder_destroy()
452 // critical section required because this function can be called from stt engine thread context
453 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Enter critical section");
454 pthread_mutex_lock(&sttd_audio_in_handle_mutex);
456 /* Check engine id is valid */
457 if (NULL == g_recorder) {
458 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Engine id is not valid");
459 pthread_mutex_unlock(&sttd_audio_in_handle_mutex);
460 return STTD_ERROR_INVALID_PARAMETER;
465 if (STTD_RECORDER_STATE_RECORDING == g_recorder_state) {
466 if (g_recorder->audio_h) {
467 ret = audio_in_unprepare(g_recorder->audio_h);
468 if (AUDIO_IO_ERROR_NONE != ret) {
469 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to unprepare audioin : %d", ret);
473 g_recorder_state = STTD_RECORDER_STATE_READY;
476 if (g_recorder->audio_h) {
477 ret = audio_in_destroy(g_recorder->audio_h);
478 if (AUDIO_IO_ERROR_NONE != ret) {
479 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to destroy audioin : %d", ret);
481 g_recorder->audio_h = NULL;
485 if (STTD_RECORDER_STATE_RECORDING == g_recorder_state) {
486 g_recorder_state = STTD_RECORDER_STATE_READY;
489 bt_hid_unset_audio_data_receive_cb();
495 pthread_mutex_unlock(&sttd_audio_in_handle_mutex);
496 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Leave critical section");
501 float get_volume_decibel(char* data, int size, stte_audio_type_e type)
503 #define MAX_AMPLITUDE_MEAN_16 32768
504 #define MAX_AMPLITUDE_MEAN_08 128
511 unsigned long long square_sum = 0;
513 if (type == STTE_AUDIO_TYPE_PCM_S16_LE)
518 for (i = 0; i < size; i += (depthByte<<1)) {
519 if (depthByte == 2) {
521 memcpy(&pcm16, data + i, sizeof(short));
522 square_sum += pcm16 * pcm16;
525 memcpy(&pcm8, data + i, sizeof(char));
526 square_sum += pcm8 * pcm8;
534 rms = sqrt((double)square_sum/count);
537 db = 20 * log10(rms/MAX_AMPLITUDE_MEAN_16);
539 db = 20 * log10(rms/MAX_AMPLITUDE_MEAN_08);
545 Eina_Bool __read_audio_func(void *data)
548 static char g_buffer[BUFFER_LENGTH];
550 /* Check engine id is valid */
551 if (NULL == g_recorder) {
555 if (STTD_RECORDER_STATE_READY == g_recorder_state) {
556 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder] Exit audio reading func");
560 read_byte = audio_in_read(g_recorder->audio_h, g_buffer, BUFFER_LENGTH);
562 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Fail to read audio : %d", read_byte);
563 g_recorder_state = STTD_RECORDER_STATE_READY;
567 if (0 != g_audio_cb(g_buffer, read_byte)) {
568 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Fail audio callback");
569 sttd_recorder_stop();
573 if (NULL == g_recorder)
574 SLOG(LOG_WARN, TAG_STTD, "[Recorder] g_recorder is NULL. It is already stopped and destroyed.");
576 if (0 == g_buffer_count % 30 && NULL != g_recorder) {
577 float vol_db = get_volume_decibel(g_buffer, BUFFER_LENGTH, g_recorder->audio_type);
578 if (0 != sttdc_send_set_volume(g_recorder->uid, vol_db)) {
579 SLOG(LOG_ERROR, TAG_STTD, "[Recorder] Fail to send recording volume(%f)", vol_db);
584 if (0 == g_buffer_count % 50) {
585 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder][%d] Recording... : read_size(%d)", g_buffer_count, read_byte);
587 if (100000 == g_buffer_count) {
595 /* write pcm buffer */
596 fwrite(g_buffer, 1, BUFFER_LENGTH, g_pFile);
603 int sttd_recorder_start(int uid)
605 if (STTD_RECORDER_STATE_RECORDING == g_recorder_state)
610 /* Check engine id is valid */
611 if (NULL == g_recorder) {
612 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Engine id is not valid");
613 return STTD_ERROR_INVALID_PARAMETER;
616 ret = audio_in_set_sound_stream_info(g_recorder->audio_h, g_stream_info_h);
617 if (AUDIO_IO_ERROR_NONE != ret) {
618 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to set stream info");
621 ret = audio_in_prepare(g_recorder->audio_h);
622 if (AUDIO_IO_ERROR_NONE != ret) {
623 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to start audio : %d", ret);
624 return STTD_ERROR_RECORDER_BUSY;
627 /* Add ecore timer to read audio data */
628 if (NULL != g_audio_timer) {
629 ecore_timer_del(g_audio_timer);
630 g_audio_timer = NULL;
633 g_audio_timer = ecore_timer_add(0, __read_audio_func, NULL);
634 if (NULL == g_audio_timer) {
635 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Fail to create timer of read_audio");
636 return STTD_ERROR_OPERATION_FAILED;
640 g_recorder_state = STTD_RECORDER_STATE_RECORDING;
641 g_recorder->uid = uid;
649 snprintf(g_temp_file_name, sizeof(g_temp_file_name), "/tmp/stt_temp_%d_%d", getpid(), g_count);
650 ret = access(g_temp_file_name, 0);
653 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] File is already exist");
654 if (0 == remove(g_temp_file_name)) {
655 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder] Remove file");
665 SECURE_SLOG(LOG_DEBUG, TAG_STTD, "[Recorder] Temp file name=[%s]", g_temp_file_name);
668 g_pFile = fopen(g_temp_file_name, "wb+x");
670 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] File not found!");
678 int sttd_recorder_stop()
680 if (STTD_RECORDER_STATE_READY == g_recorder_state)
683 // critical section required because this function can be called from stt engine thread context
684 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Enter critical section");
685 pthread_mutex_lock(&sttd_audio_in_handle_mutex);
687 g_is_set_audio_type = false;
688 sttd_engine_agent_set_audio_type(STTE_AUDIO_ID_NONE);
690 /* Check engine id is valid */
691 if (NULL == g_recorder) {
692 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Engine id is not valid");
693 pthread_mutex_unlock(&sttd_audio_in_handle_mutex);
694 return STTD_ERROR_INVALID_PARAMETER;
697 g_recorder->uid = -1;
701 if (NULL != g_audio_timer) {
702 ecore_timer_del(g_audio_timer);
703 g_audio_timer = NULL;
706 ret = audio_in_unprepare(g_recorder->audio_h);
707 if (AUDIO_IO_ERROR_NONE != ret) {
708 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to unprepare audioin : %d", ret);
712 bool stopped = false;
713 while (5 > bt_retry) {
714 ret = bt_hid_rc_stop_sending_voice(NULL);
715 if (BT_ERROR_NONE == ret) {
716 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder] Stop bt audio");
719 } else if (BT_ERROR_NOW_IN_PROGRESS == ret) {
720 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail bt_hid_rc_stop_sending_voice()");
724 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] bt_hid_rc_stop_sending_voice(): ret(%d)", ret);
728 if (false == stopped) {
729 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to stop bt audio(%d)", ret);
730 // return STTD_ERROR_OPERATION_FAILED;
734 g_recorder_state = STTD_RECORDER_STATE_READY;
739 pthread_mutex_unlock(&sttd_audio_in_handle_mutex);
740 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Leave critical section");
745 int sttd_recorder_start_file(int uid, const char *filepath)
747 if (STTD_RECORDER_STATE_RECORDING == g_recorder_state)
750 /* Check engine id is valid */
751 if (NULL == g_recorder) {
752 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Engine id is not valid");
753 return STTD_ERROR_INVALID_PARAMETER;
755 g_recorder_state = STTD_RECORDER_STATE_RECORDING;
756 g_recorder->uid = uid;
759 int totalReadBytes = 0;
761 FILE *infile = fopen(filepath, "rb");
764 if (infile != NULL) {
765 while (!feof(infile)) {
766 static char pcm_buff[BUFFER_LENGTH];
767 int read_byte = fread(pcm_buff, 1, BUFFER_LENGTH, infile);
768 totalReadBytes += read_byte;
769 if (0 != read_byte) {
770 if (0 != g_audio_cb(pcm_buff, read_byte)) {
771 SLOG(LOG_ERROR, TAG_STTD, "[Recorder ERROR] Fail to call audio callback");
776 float vol_db = get_volume_decibel(pcm_buff, BUFFER_LENGTH, g_recorder->audio_type);
777 if (0 != sttdc_send_set_volume(g_recorder->uid, vol_db)) {
778 SLOG(LOG_ERROR, TAG_STTD, "[Recorder] Fail to send recording volume(%f)", vol_db);
784 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder][%d] Recording... : read_size(%d)", cnt, read_byte);
791 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder][%d] total bytes(%d)", cnt, totalReadBytes);
795 int sttd_recorder_stop_file()
797 if (STTD_RECORDER_STATE_READY == g_recorder_state)
800 /* Check engine id is valid */
801 if (NULL == g_recorder) {
802 SLOG(LOG_WARN, TAG_STTD, "[Recorder WARNING] Engine id is not valid");
803 return STTD_ERROR_INVALID_PARAMETER;
806 g_recorder->uid = -1;
807 g_recorder_state = STTD_RECORDER_STATE_READY;
812 int sttd_recorder_clear()
815 SLOG(LOG_DEBUG, TAG_STTD, "[Recorder DEBUG] Clear recorder on TV");
817 if (STTD_RECORDER_STATE_RECORDING == g_recorder_state) {
818 sttd_recorder_stop();
820 if (STTD_RECORDER_STATE_READY == g_recorder_state) {
821 sttd_recorder_destroy();
825 return STTD_ERROR_NONE;