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| 1 /* | 1 /* |
| 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 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 |
| 11 #ifndef WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H | 11 #ifndef WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H |
| 12 #define WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H | 12 #define WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H |
| 13 | 13 |
| 14 #include <memory> | 14 #include <memory> |
| 15 #include <vector> | 15 #include <vector> |
| 16 | 16 |
| 17 #include "webrtc/base/constructormagic.h" | 17 #include "webrtc/base/constructormagic.h" |
| 18 #include "webrtc/base/criticalsection.h" | 18 #include "webrtc/base/criticalsection.h" |
| 19 #include "webrtc/base/scoped_ref_ptr.h" | 19 #include "webrtc/base/scoped_ref_ptr.h" |
| 20 #include "webrtc/system_wrappers/include/atomic32.h" | 20 #include "webrtc/system_wrappers/include/atomic32.h" |
| 21 #include "webrtc/typedefs.h" | 21 #include "webrtc/typedefs.h" |
| 22 #include "webrtc/voice_engine/include/voe_base.h" |
| 22 | 23 |
| 23 namespace webrtc { | 24 namespace webrtc { |
| 24 | 25 |
| 25 class Config; | |
| 26 class AudioDecoderFactory; | 26 class AudioDecoderFactory; |
| 27 | 27 |
| 28 namespace voe { | 28 namespace voe { |
| 29 | 29 |
| 30 class Channel; | 30 class Channel; |
| 31 | 31 |
| 32 // Shared-pointer implementation for keeping track of Channels. The underlying | 32 // Shared-pointer implementation for keeping track of Channels. The underlying |
| 33 // shared instance will be dropped when no more ChannelOwners point to it. | 33 // shared instance will be dropped when no more ChannelOwners point to it. |
| 34 // | 34 // |
| 35 // One common source of ChannelOwner instances are | 35 // One common source of ChannelOwner instances are |
| (...skipping 29 matching lines...) Expand all Loading... |
| 65 ChannelRef(Channel* channel); | 65 ChannelRef(Channel* channel); |
| 66 const std::unique_ptr<Channel> channel; | 66 const std::unique_ptr<Channel> channel; |
| 67 Atomic32 ref_count; | 67 Atomic32 ref_count; |
| 68 }; | 68 }; |
| 69 | 69 |
| 70 ChannelRef* channel_ref_; | 70 ChannelRef* channel_ref_; |
| 71 }; | 71 }; |
| 72 | 72 |
| 73 class ChannelManager { | 73 class ChannelManager { |
| 74 public: | 74 public: |
| 75 ChannelManager(uint32_t instance_id, const Config& config); | 75 ChannelManager(uint32_t instance_id); |
| 76 | 76 |
| 77 // Upon construction of an Iterator it will grab a copy of the channel list of | 77 // Upon construction of an Iterator it will grab a copy of the channel list of |
| 78 // the ChannelManager. The iteration will then occur over this state, not the | 78 // the ChannelManager. The iteration will then occur over this state, not the |
| 79 // current one of the ChannelManager. As the Iterator holds its own references | 79 // current one of the ChannelManager. As the Iterator holds its own references |
| 80 // to the Channels, they will remain valid even if they are removed from the | 80 // to the Channels, they will remain valid even if they are removed from the |
| 81 // ChannelManager. | 81 // ChannelManager. |
| 82 class Iterator { | 82 class Iterator { |
| 83 public: | 83 public: |
| 84 explicit Iterator(ChannelManager* channel_manager); | 84 explicit Iterator(ChannelManager* channel_manager); |
| 85 | 85 |
| 86 Channel* GetChannel(); | 86 Channel* GetChannel(); |
| 87 bool IsValid(); | 87 bool IsValid(); |
| 88 | 88 |
| 89 void Increment(); | 89 void Increment(); |
| 90 | 90 |
| 91 private: | 91 private: |
| 92 size_t iterator_pos_; | 92 size_t iterator_pos_; |
| 93 std::vector<ChannelOwner> channels_; | 93 std::vector<ChannelOwner> channels_; |
| 94 | 94 |
| 95 RTC_DISALLOW_COPY_AND_ASSIGN(Iterator); | 95 RTC_DISALLOW_COPY_AND_ASSIGN(Iterator); |
| 96 }; | 96 }; |
| 97 | 97 |
| 98 // CreateChannel will always return a valid ChannelOwner instance. The channel | 98 // CreateChannel will always return a valid ChannelOwner instance. |
| 99 // is created either based on internal configuration, i.e. |config_|, by | 99 ChannelOwner CreateChannel(const VoEBase::ChannelConfig& config); |
| 100 // calling CreateChannel(...), or using and external configuration | |
| 101 // |external_config| if the overloaded method | |
| 102 // CreateChannel(const Config& external_config, ...) is called. | |
| 103 ChannelOwner CreateChannel( | |
| 104 const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory); | |
| 105 ChannelOwner CreateChannel( | |
| 106 const Config& external_config, | |
| 107 const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory); | |
| 108 | 100 |
| 109 // ChannelOwner.channel() will be NULL if channel_id is invalid or no longer | 101 // ChannelOwner.channel() will be NULL if channel_id is invalid or no longer |
| 110 // exists. This should be checked with ChannelOwner::IsValid(). | 102 // exists. This should be checked with ChannelOwner::IsValid(). |
| 111 ChannelOwner GetChannel(int32_t channel_id); | 103 ChannelOwner GetChannel(int32_t channel_id); |
| 112 void GetAllChannels(std::vector<ChannelOwner>* channels); | 104 void GetAllChannels(std::vector<ChannelOwner>* channels); |
| 113 | 105 |
| 114 void DestroyChannel(int32_t channel_id); | 106 void DestroyChannel(int32_t channel_id); |
| 115 void DestroyAllChannels(); | 107 void DestroyAllChannels(); |
| 116 | 108 |
| 117 size_t NumOfChannels() const; | 109 size_t NumOfChannels() const; |
| 118 | 110 |
| 119 private: | 111 private: |
| 120 // Create a channel given a configuration, |config|. | |
| 121 ChannelOwner CreateChannelInternal( | |
| 122 const Config& config, | |
| 123 const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory); | |
| 124 | |
| 125 uint32_t instance_id_; | 112 uint32_t instance_id_; |
| 126 | 113 |
| 127 Atomic32 last_channel_id_; | 114 Atomic32 last_channel_id_; |
| 128 | 115 |
| 129 rtc::CriticalSection lock_; | 116 rtc::CriticalSection lock_; |
| 130 std::vector<ChannelOwner> channels_; | 117 std::vector<ChannelOwner> channels_; |
| 131 | 118 |
| 132 const Config& config_; | |
| 133 | |
| 134 RTC_DISALLOW_COPY_AND_ASSIGN(ChannelManager); | 119 RTC_DISALLOW_COPY_AND_ASSIGN(ChannelManager); |
| 135 }; | 120 }; |
| 136 } // namespace voe | 121 } // namespace voe |
| 137 } // namespace webrtc | 122 } // namespace webrtc |
| 138 | 123 |
| 139 #endif // WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H | 124 #endif // WEBRTC_VOICE_ENGINE_CHANNEL_MANAGER_H |
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