84dc3d134d
This CL only adds support for encoding one stream, but receiving multiple streams. BUG= TEST=video_engine_core_unittest + auto_test/loopback Review URL: http://webrtc-codereview.appspot.com/333011 git-svn-id: http://webrtc.googlecode.com/svn/trunk@1284 4adac7df-926f-26a2-2b94-8c16560cd09d
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_MANAGER_H_
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#define WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_MANAGER_H_
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#include "engine_configurations.h"
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#include "system_wrappers/interface/map_wrapper.h"
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#include "system_wrappers/interface/scoped_ptr.h"
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#include "typedefs.h"
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#include "video_engine/vie_defines.h"
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#include "video_engine/vie_manager_base.h"
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namespace webrtc {
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class CriticalSectionWrapper;
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class ProcessThread;
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class ViEChannel;
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class ViEEncoder;
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class ViEPerformanceMonitor;
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class VieRemb;
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class VoEVideoSync;
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class VoiceEngine;
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class ViEChannelManager: private ViEManagerBase {
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friend class ViEChannelManagerScoped;
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public:
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ViEChannelManager(int engine_id,
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int number_of_cores,
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ViEPerformanceMonitor& vie_performance_monitor);
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~ViEChannelManager();
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void SetModuleProcessThread(ProcessThread& module_process_thread);
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// Creates a new channel. 'channelId' will be the id of the created channel.
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int CreateChannel(int& channel_id);
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// Creates a channel and attaches to an already existing ViEEncoder.
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int CreateChannel(int& channel_id, int original_channel);
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// Deletes a channel.
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int DeleteChannel(int channel_id);
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// Set the voice engine instance to be used by all video channels.
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int SetVoiceEngine(VoiceEngine* voice_engine);
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// Enables lip sync of the channel.
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int ConnectVoiceChannel(int channel_id, int audio_channel_id);
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// Disables lip sync of the channel.
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int DisconnectVoiceChannel(int channel_id);
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VoiceEngine* GetVoiceEngine();
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// Adds a channel to include when sending REMB.
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bool SetRembStatus(int channel_id, bool sender, bool receiver);
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private:
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// Used by ViEChannelScoped, forcing a manager user to use scoped.
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// Returns a pointer to the channel with id 'channelId'.
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ViEChannel* ViEChannelPtr(int channel_id) const;
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// Adds all channels to channel_map.
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void GetViEChannels(MapWrapper& channel_map);
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// Methods used by ViECaptureScoped and ViEEncoderScoped.
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// Gets the ViEEncoder used as input for video_channel_id
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ViEEncoder* ViEEncoderPtr(int video_channel_id) const;
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// Returns true if we found a new channel id, free_channel_id, false
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// otherwise.
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bool GetFreeChannelId(int& free_channel_id);
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// Returns a previously allocated channel id.
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void ReturnChannelId(int channel_id);
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// Returns true if at least one other channels uses the same ViEEncoder as
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// channel_id.
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bool ChannelUsingViEEncoder(int channel_id) const;
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// Protects channel_map_ and free_channel_ids_.
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CriticalSectionWrapper* channel_id_critsect_;
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int engine_id_;
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int number_of_cores_;
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ViEPerformanceMonitor& vie_performance_monitor_;
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MapWrapper channel_map_;
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bool* free_channel_ids_;
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int free_channel_ids_size_;
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// Maps Channel id -> ViEEncoder.
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MapWrapper vie_encoder_map_;
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VoEVideoSync* voice_sync_interface_;
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scoped_ptr<VieRemb> remb_;
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VoiceEngine* voice_engine_;
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ProcessThread* module_process_thread_;
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};
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class ViEChannelManagerScoped: private ViEManagerScopedBase {
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public:
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explicit ViEChannelManagerScoped(
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const ViEChannelManager& vie_channel_manager);
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ViEChannel* Channel(int vie_channel_id) const;
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ViEEncoder* Encoder(int vie_channel_id) const;
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// Returns true if at lease one other channels uses the same ViEEncoder as
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// channel_id.
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bool ChannelUsingViEEncoder(int channel_id) const;
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};
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_MANAGER_H_
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