2 * Copyright (c) 2024 Samsung Electronics Co., Ltd.
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.
19 #include <dali/internal/accessibility/tizen-wayland/tts-player-impl-tizen.h>
24 #include <dali/public-api/object/type-registry.h>
32 namespace // unnamed namespace
35 * Helper function to convert Tizen-specific TTS state to external state.
36 * @param state The Tizen TTS state.
37 * @return The external TTS state.
39 Dali::TtsPlayer::State InternalToExternalState(tts_state_e state)
43 case TTS_STATE_CREATED:
45 return Dali::TtsPlayer::UNAVAILABLE;
49 return Dali::TtsPlayer::READY;
51 case TTS_STATE_PLAYING:
53 return Dali::TtsPlayer::PLAYING;
55 case TTS_STATE_PAUSED:
57 return Dali::TtsPlayer::PAUSED;
61 return Dali::TtsPlayer::UNAVAILABLE;
64 } // unnamed namespace
66 #if defined(DEBUG_ENABLED)
67 Debug::Filter* TtsPlayerTizen::gLogFilter = Debug::Filter::New(Debug::Concise, false, "LOG_TTS_PLAYER");
70 std::unique_ptr<TtsPlayerTizen> TtsPlayerTizen::New(Dali::TtsPlayer::Mode mode)
72 return std::unique_ptr<TtsPlayerTizen>(new TtsPlayerTizen(mode));
75 TtsPlayerTizen::TtsPlayerTizen(Dali::TtsPlayer::Mode mode)
76 : mInitialized(false),
85 TtsPlayerTizen::~TtsPlayerTizen()
87 // If it is playing, stop it
92 // Unset the callback funtion for TTS state change
93 int retVal = tts_unset_state_changed_cb(mTtsHandle);
94 if(retVal != TTS_ERROR_NONE)
96 LogErrorCode(static_cast<tts_error_e>(retVal));
99 // Destroy the TTS handle and disconnects the daemon
100 retVal = tts_destroy(mTtsHandle);
101 if(retVal != TTS_ERROR_NONE)
103 LogErrorCode(static_cast<tts_error_e>(retVal));
106 catch(std::bad_weak_ptr const& ex)
108 DALI_LOG_ERROR("TtsPlayerTizen::~TtsPlayerTizen() - std::bad_weak_ptr caught: %s\n", ex.what());
112 void TtsPlayerTizen::Initialize()
114 // Create the TTS handle
115 int retVal = tts_create(&mTtsHandle);
117 if(retVal != TTS_ERROR_NONE)
119 LogErrorCode(static_cast<tts_error_e>(retVal));
123 // Set the callback funtion for TTS state change
124 retVal = tts_set_state_changed_cb(mTtsHandle, &StateChangedCallback, this);
125 if(retVal != TTS_ERROR_NONE)
127 LogErrorCode(static_cast<tts_error_e>(retVal));
131 tts_mode_e ttsMode = TTS_MODE_DEFAULT;
134 case Dali::TtsPlayer::DEFAULT:
135 ttsMode = TTS_MODE_DEFAULT;
137 case Dali::TtsPlayer::NOTIFICATION:
138 ttsMode = TTS_MODE_NOTIFICATION;
140 case Dali::TtsPlayer::SCREEN_READER:
141 ttsMode = TTS_MODE_SCREEN_READER;
148 retVal = tts_set_mode(mTtsHandle, ttsMode);
149 if(retVal != TTS_ERROR_NONE)
151 LogErrorCode(static_cast<tts_error_e>(retVal));
154 // Connect the TTS daemon asynchronously
155 retVal = tts_prepare(mTtsHandle);
156 if(retVal != TTS_ERROR_NONE)
158 LogErrorCode(static_cast<tts_error_e>(retVal));
163 void TtsPlayerTizen::Play(const std::string& text)
169 // Add text to the queue, and use normal speed, default language and default voice set by the user
170 int retVal = tts_add_text(mTtsHandle, text.c_str(), NULL, TTS_VOICE_TYPE_AUTO, TTS_SPEED_AUTO, &mUtteranceId);
171 if(retVal != TTS_ERROR_NONE)
173 LogErrorCode(static_cast<tts_error_e>(retVal));
177 // Start synthesizing voice from text in the queue and play synthesized audio data
178 retVal = tts_play(mTtsHandle);
179 if(retVal != TTS_ERROR_NONE)
181 LogErrorCode(static_cast<tts_error_e>(retVal));
187 mUnplayedString = text;
191 void TtsPlayerTizen::Stop()
195 // Check the current TTS state
197 int retVal = tts_get_state(mTtsHandle, &state);
198 if(retVal != TTS_ERROR_NONE)
200 LogErrorCode(static_cast<tts_error_e>(retVal));
202 else if(state == TTS_STATE_PLAYING || state == TTS_STATE_PAUSED)
204 // If it is playing or paused, stop playing and clear the queue
205 retVal = tts_stop(mTtsHandle);
206 if(retVal != TTS_ERROR_NONE)
208 LogErrorCode(static_cast<tts_error_e>(retVal));
214 void TtsPlayerTizen::Pause()
218 // Check the current TTS state
220 int retVal = tts_get_state(mTtsHandle, &state);
221 if(retVal != TTS_ERROR_NONE)
223 LogErrorCode(static_cast<tts_error_e>(retVal));
225 else if(state == TTS_STATE_PLAYING)
227 // If the player is playing, pause it.
228 retVal = tts_pause(mTtsHandle);
229 if(retVal != TTS_ERROR_NONE)
231 LogErrorCode(static_cast<tts_error_e>(retVal));
237 void TtsPlayerTizen::Resume()
241 // Check the current TTS state
243 int retVal = tts_get_state(mTtsHandle, &state);
244 if(retVal != TTS_ERROR_NONE)
246 LogErrorCode(static_cast<tts_error_e>(retVal));
248 else if(state == TTS_STATE_PAUSED)
250 // If the player is paused, resume it.
251 retVal = tts_play(mTtsHandle);
252 if(retVal != TTS_ERROR_NONE)
254 LogErrorCode(static_cast<tts_error_e>(retVal));
260 Dali::TtsPlayer::State TtsPlayerTizen::GetState()
262 Dali::TtsPlayer::State ttsState = Dali::TtsPlayer::UNAVAILABLE;
266 // Check the current TTS state
268 int retVal = tts_get_state(mTtsHandle, &state);
269 if(retVal != TTS_ERROR_NONE)
271 LogErrorCode(static_cast<tts_error_e>(retVal));
275 ttsState = InternalToExternalState(state);
282 Dali::TtsPlayer::StateChangedSignalType& TtsPlayerTizen::StateChangedSignal()
284 return mStateChangedSignal;
287 void TtsPlayerTizen::EmitStateChangedSignal(tts_state_e previous, tts_state_e current)
289 // Convert the previous and current states to external states and emit them as a signal.
290 if(!mStateChangedSignal.Empty())
292 mStateChangedSignal.Emit(InternalToExternalState(previous), InternalToExternalState(current));
296 void TtsPlayerTizen::StateChangedCallback(tts_h tts, tts_state_e previous, tts_state_e current, void* userData)
298 // Get the implementation (this is a static function).
299 TtsPlayerTizen* obj = static_cast<TtsPlayerTizen*>(userData);
302 obj->EmitStateChangedSignal(previous, current);
304 if(!obj->mInitialized && current == TTS_STATE_READY)
306 obj->mInitialized = true;
308 // if there is queued text before initialization, play it
309 if(obj->mUnplayedString != "")
311 obj->Play(obj->mUnplayedString);
312 obj->mUnplayedString = "";
317 void TtsPlayerTizen::LogErrorCode(tts_error_e reason)
319 std::string error_string;
327 case TTS_ERROR_OUT_OF_MEMORY:
329 error_string = "TTS: Out of Memory\n";
332 case TTS_ERROR_IO_ERROR:
334 error_string = "TTS: I/O error\n";
337 case TTS_ERROR_INVALID_PARAMETER:
339 error_string = "TTS: Invalid parameter\n";
342 case TTS_ERROR_OUT_OF_NETWORK:
344 error_string = "TTS: Out of network\n";
347 case TTS_ERROR_INVALID_STATE:
349 error_string = "TTS: Invalid state\n";
352 case TTS_ERROR_INVALID_VOICE:
354 error_string = "TTS: Invalid voice\n";
357 case TTS_ERROR_ENGINE_NOT_FOUND:
359 error_string = "TTS: No available engine\n";
362 case TTS_ERROR_TIMED_OUT:
364 error_string = "TTS: No answer from the daemon\n";
367 case TTS_ERROR_OPERATION_FAILED:
369 error_string = "TTS: Operation failed\n";
374 error_string = "Invalid TTS error code\n";
379 if(reason != TTS_ERROR_NONE)
381 DALI_LOG_WARNING("[%s:%d] tts error : %s\n", __FUNCTION__, __LINE__, error_string.c_str());
385 } // namespace Adaptor
387 } // namespace Internal