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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
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| 29 // base->DeleteChannel(ch); | 29 // base->DeleteChannel(ch); |
| 30 // base->Terminate(); | 30 // base->Terminate(); |
| 31 // base->Release(); | 31 // base->Release(); |
| 32 // VoiceEngine::Delete(voe); | 32 // VoiceEngine::Delete(voe); |
| 33 // | 33 // |
| 34 #ifndef WEBRTC_VOICE_ENGINE_VOE_BASE_H | 34 #ifndef WEBRTC_VOICE_ENGINE_VOE_BASE_H |
| 35 #define WEBRTC_VOICE_ENGINE_VOE_BASE_H | 35 #define WEBRTC_VOICE_ENGINE_VOE_BASE_H |
| 36 | 36 |
| 37 #include "webrtc/base/scoped_ref_ptr.h" | 37 #include "webrtc/base/scoped_ref_ptr.h" |
| 38 #include "webrtc/modules/audio_coding/codecs/audio_decoder_factory.h" | 38 #include "webrtc/modules/audio_coding/codecs/audio_decoder_factory.h" |
| 39 #include "webrtc/modules/audio_coding/include/audio_coding_module.h" |
| 39 #include "webrtc/common_types.h" | 40 #include "webrtc/common_types.h" |
| 40 | 41 |
| 41 namespace webrtc { | 42 namespace webrtc { |
| 42 | 43 |
| 43 class AudioDeviceModule; | 44 class AudioDeviceModule; |
| 44 class AudioProcessing; | 45 class AudioProcessing; |
| 45 class AudioTransport; | 46 class AudioTransport; |
| 46 class Config; | |
| 47 | 47 |
| 48 const int kVoEDefault = -1; | 48 const int kVoEDefault = -1; |
| 49 | 49 |
| 50 // VoiceEngineObserver | 50 // VoiceEngineObserver |
| 51 class WEBRTC_DLLEXPORT VoiceEngineObserver { | 51 class WEBRTC_DLLEXPORT VoiceEngineObserver { |
| 52 public: | 52 public: |
| 53 // This method will be called after the occurrence of any runtime error | 53 // This method will be called after the occurrence of any runtime error |
| 54 // code, or warning notification, when the observer interface has been | 54 // code, or warning notification, when the observer interface has been |
| 55 // installed using VoEBase::RegisterVoiceEngineObserver(). | 55 // installed using VoEBase::RegisterVoiceEngineObserver(). |
| 56 virtual void CallbackOnError(int channel, int errCode) = 0; | 56 virtual void CallbackOnError(int channel, int errCode) = 0; |
| 57 | 57 |
| 58 protected: | 58 protected: |
| 59 virtual ~VoiceEngineObserver() {} | 59 virtual ~VoiceEngineObserver() {} |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 // VoiceEngine | 62 // VoiceEngine |
| 63 class WEBRTC_DLLEXPORT VoiceEngine { | 63 class WEBRTC_DLLEXPORT VoiceEngine { |
| 64 public: | 64 public: |
| 65 // Creates a VoiceEngine object, which can then be used to acquire | 65 // Creates a VoiceEngine object, which can then be used to acquire |
| 66 // sub-APIs. Returns NULL on failure. | 66 // sub-APIs. Returns NULL on failure. |
| 67 static VoiceEngine* Create(); | 67 static VoiceEngine* Create(); |
| 68 static VoiceEngine* Create(const Config& config); | |
| 69 | 68 |
| 70 // Deletes a created VoiceEngine object and releases the utilized resources. | 69 // Deletes a created VoiceEngine object and releases the utilized resources. |
| 71 // Note that if there are outstanding references held via other interfaces, | 70 // Note that if there are outstanding references held via other interfaces, |
| 72 // the voice engine instance will not actually be deleted until those | 71 // the voice engine instance will not actually be deleted until those |
| 73 // references have been released. | 72 // references have been released. |
| 74 static bool Delete(VoiceEngine*& voiceEngine); | 73 static bool Delete(VoiceEngine*& voiceEngine); |
| 75 | 74 |
| 76 // Specifies the amount and type of trace information which will be | 75 // Specifies the amount and type of trace information which will be |
| 77 // created by the VoiceEngine. | 76 // created by the VoiceEngine. |
| 78 static int SetTraceFilter(unsigned int filter); | 77 static int SetTraceFilter(unsigned int filter); |
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| 139 | 138 |
| 140 // This method is WIP - DO NOT USE! | 139 // This method is WIP - DO NOT USE! |
| 141 // Returns NULL before Init() is called. | 140 // Returns NULL before Init() is called. |
| 142 virtual AudioDeviceModule* audio_device_module() = 0; | 141 virtual AudioDeviceModule* audio_device_module() = 0; |
| 143 | 142 |
| 144 // Terminates all VoiceEngine functions and releases allocated resources. | 143 // Terminates all VoiceEngine functions and releases allocated resources. |
| 145 // Returns 0. | 144 // Returns 0. |
| 146 virtual int Terminate() = 0; | 145 virtual int Terminate() = 0; |
| 147 | 146 |
| 148 // Creates a new channel and allocates the required resources for it. | 147 // Creates a new channel and allocates the required resources for it. |
| 149 // One can use |config| to configure the channel. Currently that is used for | 148 // One can use |acm_config| to configure the channel. |
| 150 // choosing between ACM1 and ACM2, when creating Audio Coding Module. | |
| 151 // Returns channel ID or -1 in case of an error. | 149 // Returns channel ID or -1 in case of an error. |
| 152 virtual int CreateChannel() = 0; | 150 virtual int CreateChannel() = 0; |
| 153 virtual int CreateChannel(const Config& config) = 0; | 151 virtual int CreateChannel(const AudioCodingModule::Config& acm_config) = 0; |
| 154 | 152 |
| 155 // Deletes an existing channel and releases the utilized resources. | 153 // Deletes an existing channel and releases the utilized resources. |
| 156 // Returns -1 in case of an error, 0 otherwise. | 154 // Returns -1 in case of an error, 0 otherwise. |
| 157 virtual int DeleteChannel(int channel) = 0; | 155 virtual int DeleteChannel(int channel) = 0; |
| 158 | 156 |
| 159 // Prepares and initiates the VoiceEngine for reception of | 157 // Prepares and initiates the VoiceEngine for reception of |
| 160 // incoming RTP/RTCP packets on the specified |channel|. | 158 // incoming RTP/RTCP packets on the specified |channel|. |
| 161 virtual int StartReceive(int channel) = 0; | 159 virtual int StartReceive(int channel) = 0; |
| 162 | 160 |
| 163 // Stops receiving incoming RTP/RTCP packets on the specified |channel|. | 161 // Stops receiving incoming RTP/RTCP packets on the specified |channel|. |
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| 195 virtual int AssociateSendChannel(int channel, int accociate_send_channel) = 0; | 193 virtual int AssociateSendChannel(int channel, int accociate_send_channel) = 0; |
| 196 | 194 |
| 197 protected: | 195 protected: |
| 198 VoEBase() {} | 196 VoEBase() {} |
| 199 virtual ~VoEBase() {} | 197 virtual ~VoEBase() {} |
| 200 }; | 198 }; |
| 201 | 199 |
| 202 } // namespace webrtc | 200 } // namespace webrtc |
| 203 | 201 |
| 204 #endif // WEBRTC_VOICE_ENGINE_VOE_BASE_H | 202 #endif // WEBRTC_VOICE_ENGINE_VOE_BASE_H |
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