0ac50b9dfd
This is a preparatory step in deleting the ChannelManager class. Also delete some declarations whose implementation was previously removed. Bug: webrtc:13931 Change-Id: I8764c00fa696932e79fcfe17550ef2490d6a1ed1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262804 Reviewed-by: Henrik Boström <hbos@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36923}
120 lines
4.4 KiB
C++
120 lines
4.4 KiB
C++
/*
|
|
* Copyright 2004 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef PC_CHANNEL_MANAGER_H_
|
|
#define PC_CHANNEL_MANAGER_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "api/audio_options.h"
|
|
#include "api/crypto/crypto_options.h"
|
|
#include "api/rtp_parameters.h"
|
|
#include "api/video/video_bitrate_allocator_factory.h"
|
|
#include "call/call.h"
|
|
#include "media/base/codec.h"
|
|
#include "media/base/media_channel.h"
|
|
#include "media/base/media_config.h"
|
|
#include "media/base/media_engine.h"
|
|
#include "pc/channel_factory_interface.h"
|
|
#include "pc/channel_interface.h"
|
|
#include "pc/session_description.h"
|
|
#include "rtc_base/system/file_wrapper.h"
|
|
#include "rtc_base/thread.h"
|
|
#include "rtc_base/thread_annotations.h"
|
|
#include "rtc_base/unique_id_generator.h"
|
|
|
|
namespace cricket {
|
|
|
|
// ChannelManager allows the MediaEngine to run on a separate thread, and takes
|
|
// care of marshalling calls between threads. It also creates and keeps track of
|
|
// voice and video channels; by doing so, it can temporarily pause all the
|
|
// channels when a new audio or video device is chosen. The voice and video
|
|
// channels are stored in separate vectors, to easily allow operations on just
|
|
// voice or just video channels.
|
|
// ChannelManager also allows the application to discover what devices it has
|
|
// using device manager.
|
|
class ChannelManager : public ChannelFactoryInterface {
|
|
public:
|
|
// Returns an initialized instance of ChannelManager.
|
|
// If media_engine is non-nullptr, then the returned ChannelManager instance
|
|
// will own that reference and media engine initialization
|
|
static std::unique_ptr<ChannelManager> Create(
|
|
MediaEngineInterface* media_engine,
|
|
rtc::UniqueRandomIdGenerator* ssrc_generator,
|
|
bool enable_rtx,
|
|
rtc::Thread* worker_thread,
|
|
rtc::Thread* network_thread);
|
|
|
|
ChannelManager() = delete;
|
|
~ChannelManager() override;
|
|
|
|
rtc::Thread* worker_thread() const { return worker_thread_; }
|
|
rtc::Thread* network_thread() const { return network_thread_; }
|
|
MediaEngineInterface* media_engine() { return media_engine_; }
|
|
rtc::UniqueRandomIdGenerator& ssrc_generator() { return *ssrc_generator_; }
|
|
|
|
// Retrieves the list of supported audio & video codec types.
|
|
// Can be called before starting the media engine.
|
|
void GetSupportedAudioSendCodecs(std::vector<AudioCodec>* codecs) const;
|
|
void GetSupportedAudioReceiveCodecs(std::vector<AudioCodec>* codecs) const;
|
|
void GetSupportedVideoSendCodecs(std::vector<VideoCodec>* codecs) const;
|
|
void GetSupportedVideoReceiveCodecs(std::vector<VideoCodec>* codecs) const;
|
|
|
|
// The operations below all occur on the worker thread.
|
|
// The caller is responsible for ensuring that destruction happens
|
|
// on the worker thread.
|
|
|
|
// Creates a voice channel, to be associated with the specified session.
|
|
std::unique_ptr<VoiceChannel> CreateVoiceChannel(
|
|
webrtc::Call* call,
|
|
const MediaConfig& media_config,
|
|
absl::string_view mid,
|
|
bool srtp_required,
|
|
const webrtc::CryptoOptions& crypto_options,
|
|
const AudioOptions& options) override;
|
|
|
|
// Creates a video channel, synced with the specified voice channel, and
|
|
// associated with the specified session.
|
|
// Version of the above that takes PacketTransportInternal.
|
|
std::unique_ptr<VideoChannel> CreateVideoChannel(
|
|
webrtc::Call* call,
|
|
const MediaConfig& media_config,
|
|
absl::string_view mid,
|
|
bool srtp_required,
|
|
const webrtc::CryptoOptions& crypto_options,
|
|
const VideoOptions& options,
|
|
webrtc::VideoBitrateAllocatorFactory* video_bitrate_allocator_factory)
|
|
override;
|
|
|
|
protected:
|
|
ChannelManager(MediaEngineInterface* media_engine,
|
|
rtc::UniqueRandomIdGenerator* ssrc_generator_,
|
|
bool enable_rtx,
|
|
rtc::Thread* worker_thread,
|
|
rtc::Thread* network_thread);
|
|
|
|
private:
|
|
MediaEngineInterface* media_engine_; // Nullable.
|
|
rtc::UniqueRandomIdGenerator* ssrc_generator_;
|
|
rtc::Thread* const signaling_thread_;
|
|
rtc::Thread* const worker_thread_;
|
|
rtc::Thread* const network_thread_;
|
|
|
|
const bool enable_rtx_;
|
|
};
|
|
|
|
} // namespace cricket
|
|
|
|
#endif // PC_CHANNEL_MANAGER_H_
|