mirror of
https://github.com/mollyim/webrtc.git
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597 lines
22 KiB
C++
597 lines
22 KiB
C++
/*
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* Copyright 2023 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 MEDIA_BASE_MEDIA_CHANNEL_SHIM_H_
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#define MEDIA_BASE_MEDIA_CHANNEL_SHIM_H_
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#include <stdint.h>
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#include <functional>
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#include <memory>
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#include <set>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/functional/any_invocable.h"
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "api/crypto/frame_decryptor_interface.h"
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#include "api/crypto/frame_encryptor_interface.h"
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#include "api/frame_transformer_interface.h"
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#include "api/media_types.h"
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#include "api/rtc_error.h"
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#include "api/rtp_headers.h"
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#include "api/rtp_parameters.h"
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#include "api/rtp_sender_interface.h"
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#include "api/scoped_refptr.h"
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#include "api/transport/rtp/rtp_source.h"
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#include "api/video/recordable_encoded_frame.h"
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#include "api/video/video_frame.h"
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#include "api/video/video_sink_interface.h"
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#include "api/video/video_source_interface.h"
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#include "api/video_codecs/video_encoder_factory.h"
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#include "media/base/codec.h"
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#include "media/base/media_channel.h"
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#include "media/base/media_channel_impl.h"
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#include "media/base/stream_params.h"
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#include "modules/rtp_rtcp/source/rtp_packet_received.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/network/sent_packet.h"
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#include "rtc_base/network_route.h"
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namespace cricket {
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// The VideoMediaShimChannel is replacing the VideoMediaChannel
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// interface.
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// If called with both send_impl and receive_impl, it operates in kBoth
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// mode; if called with only one, it will shim that one and DCHECK if one
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// tries to do functions belonging to the other.
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class VoiceMediaShimChannel : public VoiceMediaChannel {
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public:
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VoiceMediaShimChannel(
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std::unique_ptr<VoiceMediaSendChannelInterface> send_impl,
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std::unique_ptr<VoiceMediaReceiveChannelInterface> receive_impl);
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VoiceMediaSendChannelInterface* AsVoiceSendChannel() override { return this; }
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VoiceMediaReceiveChannelInterface* AsVoiceReceiveChannel() override {
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return this;
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}
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VideoMediaSendChannelInterface* AsVideoSendChannel() override {
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RTC_CHECK_NOTREACHED();
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return nullptr;
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}
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VideoMediaReceiveChannelInterface* AsVideoReceiveChannel() override {
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RTC_CHECK_NOTREACHED();
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return nullptr;
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}
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// SetInterface needs to run on both send and receive channels.
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void SetInterface(MediaChannelNetworkInterface* iface) override {
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if (send_impl_) {
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send_impl()->SetInterface(iface);
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}
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if (receive_impl_) {
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receive_impl()->SetInterface(iface);
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}
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}
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// Implementation of MediaBaseChannelInterface
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cricket::MediaType media_type() const override { return MEDIA_TYPE_AUDIO; }
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// Implementation of MediaSendChannelInterface
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void OnPacketSent(const rtc::SentPacket& sent_packet) override {
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send_impl()->OnPacketSent(sent_packet);
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}
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void OnReadyToSend(bool ready) override { send_impl()->OnReadyToSend(ready); }
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void OnNetworkRouteChanged(absl::string_view transport_name,
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const rtc::NetworkRoute& network_route) override {
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send_impl()->OnNetworkRouteChanged(transport_name, network_route);
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}
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void SetExtmapAllowMixed(bool extmap_allow_mixed) override {
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send_impl()->SetExtmapAllowMixed(extmap_allow_mixed);
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}
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bool HasNetworkInterface() const override {
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return send_impl()->HasNetworkInterface();
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}
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bool ExtmapAllowMixed() const override {
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return send_impl()->ExtmapAllowMixed();
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}
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bool AddSendStream(const StreamParams& sp) override {
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return send_impl()->AddSendStream(sp);
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}
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bool RemoveSendStream(uint32_t ssrc) override {
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return send_impl()->RemoveSendStream(ssrc);
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}
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void SetFrameEncryptor(uint32_t ssrc,
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rtc::scoped_refptr<webrtc::FrameEncryptorInterface>
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frame_encryptor) override {
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send_impl()->SetFrameEncryptor(ssrc, frame_encryptor);
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}
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webrtc::RTCError SetRtpSendParameters(
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uint32_t ssrc,
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const webrtc::RtpParameters& parameters,
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webrtc::SetParametersCallback callback = nullptr) override {
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return send_impl()->SetRtpSendParameters(ssrc, parameters,
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std::move(callback));
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}
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void SetEncoderToPacketizerFrameTransformer(
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uint32_t ssrc,
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rtc::scoped_refptr<webrtc::FrameTransformerInterface> frame_transformer)
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override {
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return send_impl()->SetEncoderToPacketizerFrameTransformer(
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ssrc, frame_transformer);
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}
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webrtc::RtpParameters GetRtpSendParameters(uint32_t ssrc) const override {
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return send_impl()->GetRtpSendParameters(ssrc);
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}
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// Implementation of MediaReceiveChannelInterface
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void OnPacketReceived(const webrtc::RtpPacketReceived& packet) override {
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receive_impl()->OnPacketReceived(packet);
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}
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bool AddRecvStream(const StreamParams& sp) override {
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return receive_impl()->AddRecvStream(sp);
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}
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bool RemoveRecvStream(uint32_t ssrc) override {
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return receive_impl()->RemoveRecvStream(ssrc);
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}
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void ResetUnsignaledRecvStream() override {
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return receive_impl()->ResetUnsignaledRecvStream();
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}
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absl::optional<uint32_t> GetUnsignaledSsrc() const override {
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return receive_impl()->GetUnsignaledSsrc();
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}
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void ChooseReceiverReportSsrc(const std::set<uint32_t>& choices) override {
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return receive_impl()->ChooseReceiverReportSsrc(choices);
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}
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void OnDemuxerCriteriaUpdatePending() override {
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receive_impl()->OnDemuxerCriteriaUpdatePending();
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}
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void OnDemuxerCriteriaUpdateComplete() override {
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receive_impl()->OnDemuxerCriteriaUpdateComplete();
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}
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void SetFrameDecryptor(uint32_t ssrc,
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rtc::scoped_refptr<webrtc::FrameDecryptorInterface>
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frame_decryptor) override {
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receive_impl()->SetFrameDecryptor(ssrc, frame_decryptor);
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}
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void SetDepacketizerToDecoderFrameTransformer(
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uint32_t ssrc,
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rtc::scoped_refptr<webrtc::FrameTransformerInterface> frame_transformer)
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override {
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receive_impl()->SetDepacketizerToDecoderFrameTransformer(ssrc,
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frame_transformer);
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}
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bool SendCodecHasNack() const override {
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return send_impl()->SendCodecHasNack();
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}
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void SetSendCodecChangedCallback(
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absl::AnyInvocable<void()> callback) override {
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send_impl()->SetSendCodecChangedCallback(std::move(callback));
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}
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// Implementation of VoiceMediaSendChannel
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bool SetSendParameters(const AudioSendParameters& params) override {
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return send_impl()->SetSendParameters(params);
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}
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void SetSend(bool send) override { return send_impl()->SetSend(send); }
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bool SetAudioSend(uint32_t ssrc,
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bool enable,
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const AudioOptions* options,
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AudioSource* source) override {
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return send_impl()->SetAudioSend(ssrc, enable, options, source);
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}
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bool CanInsertDtmf() override { return send_impl()->CanInsertDtmf(); }
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bool InsertDtmf(uint32_t ssrc, int event, int duration) override {
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return send_impl()->InsertDtmf(ssrc, event, duration);
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}
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bool GetStats(VoiceMediaSendInfo* info) override {
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return send_impl()->GetStats(info);
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}
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bool SenderNackEnabled() const override {
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return send_impl()->SenderNackEnabled();
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}
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bool SenderNonSenderRttEnabled() const override {
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return send_impl()->SenderNonSenderRttEnabled();
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}
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// RingRTC change to configure OPUS
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void ConfigureEncoders(const webrtc::AudioEncoder::Config& config) override {
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return send_impl()->ConfigureEncoders(config);
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}
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// RingRTC change to get audio levels
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void GetCapturedAudioLevel(cricket::AudioLevel* captured_out) override {
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return send_impl()->GetCapturedAudioLevel(captured_out);
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}
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// Implementation of VoiceMediaReceiveChannelInterface
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bool SetRecvParameters(const AudioRecvParameters& params) override {
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return receive_impl()->SetRecvParameters(params);
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}
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webrtc::RtpParameters GetRtpReceiveParameters(uint32_t ssrc) const override {
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return receive_impl()->GetRtpReceiveParameters(ssrc);
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}
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std::vector<webrtc::RtpSource> GetSources(uint32_t ssrc) const override {
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return receive_impl()->GetSources(ssrc);
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}
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webrtc::RtpParameters GetDefaultRtpReceiveParameters() const override {
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return receive_impl()->GetDefaultRtpReceiveParameters();
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}
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void SetPlayout(bool playout) override {
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return receive_impl()->SetPlayout(playout);
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}
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bool SetOutputVolume(uint32_t ssrc, double volume) override {
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return receive_impl()->SetOutputVolume(ssrc, volume);
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}
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bool SetDefaultOutputVolume(double volume) override {
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return receive_impl()->SetDefaultOutputVolume(volume);
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}
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void SetRawAudioSink(
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uint32_t ssrc,
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std::unique_ptr<webrtc::AudioSinkInterface> sink) override {
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return receive_impl()->SetRawAudioSink(ssrc, std::move(sink));
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}
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void SetDefaultRawAudioSink(
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std::unique_ptr<webrtc::AudioSinkInterface> sink) override {
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return receive_impl()->SetDefaultRawAudioSink(std::move(sink));
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}
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bool GetStats(VoiceMediaReceiveInfo* info, bool reset_legacy) override {
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return receive_impl_->GetStats(info, reset_legacy);
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}
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void SetReceiveNackEnabled(bool enabled) override {
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receive_impl_->SetReceiveNackEnabled(enabled);
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}
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void SetReceiveNonSenderRttEnabled(bool enabled) override {
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receive_impl_->SetReceiveNonSenderRttEnabled(enabled);
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}
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void SetSsrcListChangedCallback(
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absl::AnyInvocable<void(const std::set<uint32_t>&)> callback) override {
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send_impl()->SetSsrcListChangedCallback(std::move(callback));
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}
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// Implementation of Delayable
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bool SetBaseMinimumPlayoutDelayMs(uint32_t ssrc, int delay_ms) override {
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return receive_impl()->SetBaseMinimumPlayoutDelayMs(ssrc, delay_ms);
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}
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absl::optional<int> GetBaseMinimumPlayoutDelayMs(
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uint32_t ssrc) const override {
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return receive_impl()->GetBaseMinimumPlayoutDelayMs(ssrc);
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}
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bool GetSendStats(VoiceMediaSendInfo* info) override {
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return send_impl()->GetStats(info);
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}
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bool GetReceiveStats(VoiceMediaReceiveInfo* info,
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bool reset_legacy) override {
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return receive_impl()->GetStats(info, reset_legacy);
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}
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// RingRTC change to disable CNG for muted incoming streams.
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void SetIncomingAudioMuted(uint32_t ssrc, bool muted) override {
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return receive_impl()->SetIncomingAudioMuted(ssrc, muted);
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}
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// RingRTC change to get audio levels
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void GetReceivedAudioLevels(
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cricket::ReceivedAudioLevel* received_out,
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size_t received_out_size,
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size_t* received_size_out) override {
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return receive_impl()->GetReceivedAudioLevels(
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received_out, received_out_size, received_size_out);
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}
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// Only for testing of implementations - these will be used to static_cast the
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// pointers to the implementations, so can only be safely used in conjunction
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// with the corresponding create functions.
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VoiceMediaSendChannelInterface* SendImplForTesting() {
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return send_impl_.get();
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}
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VoiceMediaReceiveChannelInterface* ReceiveImplForTesting() {
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return receive_impl_.get();
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}
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private:
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VoiceMediaSendChannelInterface* send_impl() { return send_impl_.get(); }
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VoiceMediaReceiveChannelInterface* receive_impl() {
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RTC_DCHECK(receive_impl_);
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return receive_impl_.get();
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}
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const VoiceMediaSendChannelInterface* send_impl() const {
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RTC_DCHECK(send_impl_);
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return send_impl_.get();
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}
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const VoiceMediaReceiveChannelInterface* receive_impl() const {
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return receive_impl_.get();
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}
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std::unique_ptr<VoiceMediaSendChannelInterface> send_impl_;
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std::unique_ptr<VoiceMediaReceiveChannelInterface> receive_impl_;
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};
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// The VideoMediaShimChannel is replacing the VideoMediaChannel
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// interface.
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// If called with both send_impl and receive_impl, it operates in kBoth
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// mode; if called with only one, it will shim that one and DCHECK if one
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// tries to do functions belonging to the other.
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class VideoMediaShimChannel : public VideoMediaChannel {
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public:
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VideoMediaShimChannel(
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std::unique_ptr<VideoMediaSendChannelInterface> send_impl,
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std::unique_ptr<VideoMediaReceiveChannelInterface> receive_impl);
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VideoMediaSendChannelInterface* AsVideoSendChannel() override { return this; }
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VideoMediaReceiveChannelInterface* AsVideoReceiveChannel() override {
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return this;
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}
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VoiceMediaSendChannelInterface* AsVoiceSendChannel() override {
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RTC_CHECK_NOTREACHED();
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return nullptr;
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}
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VoiceMediaReceiveChannelInterface* AsVoiceReceiveChannel() override {
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RTC_CHECK_NOTREACHED();
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return nullptr;
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}
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// SetInterface needs to run on both send and receive channels.
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void SetInterface(MediaChannelNetworkInterface* iface) override {
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if (send_impl_) {
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send_impl()->SetInterface(iface);
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}
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if (receive_impl_) {
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receive_impl()->SetInterface(iface);
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}
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}
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// Implementation of MediaBaseChannelInterface
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cricket::MediaType media_type() const override { return MEDIA_TYPE_VIDEO; }
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// Implementation of MediaSendChannelInterface
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void OnPacketSent(const rtc::SentPacket& sent_packet) override {
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send_impl()->OnPacketSent(sent_packet);
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}
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void OnReadyToSend(bool ready) override { send_impl()->OnReadyToSend(ready); }
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void OnNetworkRouteChanged(absl::string_view transport_name,
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const rtc::NetworkRoute& network_route) override {
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send_impl()->OnNetworkRouteChanged(transport_name, network_route);
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}
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void SetExtmapAllowMixed(bool extmap_allow_mixed) override {
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send_impl()->SetExtmapAllowMixed(extmap_allow_mixed);
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}
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bool HasNetworkInterface() const override {
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return send_impl()->HasNetworkInterface();
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}
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bool ExtmapAllowMixed() const override {
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return send_impl()->ExtmapAllowMixed();
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}
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bool AddSendStream(const StreamParams& sp) override {
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return send_impl()->AddSendStream(sp);
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}
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bool RemoveSendStream(uint32_t ssrc) override {
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return send_impl()->RemoveSendStream(ssrc);
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}
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void SetFrameEncryptor(uint32_t ssrc,
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rtc::scoped_refptr<webrtc::FrameEncryptorInterface>
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frame_encryptor) override {
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send_impl()->SetFrameEncryptor(ssrc, frame_encryptor);
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}
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webrtc::RTCError SetRtpSendParameters(
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uint32_t ssrc,
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const webrtc::RtpParameters& parameters,
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webrtc::SetParametersCallback callback = nullptr) override {
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return send_impl()->SetRtpSendParameters(ssrc, parameters,
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std::move(callback));
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}
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void SetEncoderToPacketizerFrameTransformer(
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uint32_t ssrc,
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rtc::scoped_refptr<webrtc::FrameTransformerInterface> frame_transformer)
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override {
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return send_impl()->SetEncoderToPacketizerFrameTransformer(
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ssrc, frame_transformer);
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}
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void SetEncoderSelector(uint32_t ssrc,
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webrtc::VideoEncoderFactory::EncoderSelectorInterface*
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encoder_selector) override {
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send_impl()->SetEncoderSelector(ssrc, encoder_selector);
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}
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webrtc::RtpParameters GetRtpSendParameters(uint32_t ssrc) const override {
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return send_impl()->GetRtpSendParameters(ssrc);
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}
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// Send_Implementation of VideoMediaSendChannelInterface
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bool SetSendParameters(const VideoSendParameters& params) override {
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return send_impl()->SetSendParameters(params);
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}
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absl::optional<VideoCodec> GetSendCodec() override {
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return send_impl()->GetSendCodec();
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}
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bool SetSend(bool send) override { return send_impl()->SetSend(send); }
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bool SetVideoSend(
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uint32_t ssrc,
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const VideoOptions* options,
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rtc::VideoSourceInterface<webrtc::VideoFrame>* source) override {
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return send_impl()->SetVideoSend(ssrc, options, source);
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}
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void GenerateSendKeyFrame(uint32_t ssrc,
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const std::vector<std::string>& rids) override {
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return send_impl()->GenerateSendKeyFrame(ssrc, rids);
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}
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void SetVideoCodecSwitchingEnabled(bool enabled) override {
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return send_impl()->SetVideoCodecSwitchingEnabled(enabled);
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}
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bool GetStats(VideoMediaSendInfo* info) override {
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return send_impl_->GetStats(info);
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}
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bool GetSendStats(VideoMediaSendInfo* info) override {
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return send_impl_->GetStats(info);
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}
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void FillBitrateInfo(BandwidthEstimationInfo* bwe_info) override {
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return send_impl_->FillBitrateInfo(bwe_info);
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}
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// Information queries to support SetReceiverFeedbackParameters
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webrtc::RtcpMode SendCodecRtcpMode() const override {
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return send_impl()->SendCodecRtcpMode();
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}
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bool SendCodecHasLntf() const override {
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return send_impl()->SendCodecHasLntf();
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}
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bool SendCodecHasNack() const override {
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return send_impl()->SendCodecHasNack();
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}
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absl::optional<int> SendCodecRtxTime() const override {
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return send_impl()->SendCodecRtxTime();
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}
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void SetSsrcListChangedCallback(
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absl::AnyInvocable<void(const std::set<uint32_t>&)> callback) override {
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send_impl()->SetSsrcListChangedCallback(std::move(callback));
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}
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void SetSendCodecChangedCallback(
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absl::AnyInvocable<void()> callback) override {
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// This callback is used internally by the shim, so should not be called by
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// users for the "both" case.
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if (send_impl_ && receive_impl_) {
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RTC_CHECK_NOTREACHED();
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}
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send_impl()->SetSendCodecChangedCallback(std::move(callback));
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}
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// Implementation of Delayable
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bool SetBaseMinimumPlayoutDelayMs(uint32_t ssrc, int delay_ms) override {
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return receive_impl()->SetBaseMinimumPlayoutDelayMs(ssrc, delay_ms);
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}
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absl::optional<int> GetBaseMinimumPlayoutDelayMs(
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|
uint32_t ssrc) const override {
|
|
return receive_impl()->GetBaseMinimumPlayoutDelayMs(ssrc);
|
|
}
|
|
// Implementation of MediaReceiveChannelInterface
|
|
void OnPacketReceived(const webrtc::RtpPacketReceived& packet) override {
|
|
receive_impl()->OnPacketReceived(packet);
|
|
}
|
|
bool AddRecvStream(const StreamParams& sp) override {
|
|
return receive_impl()->AddRecvStream(sp);
|
|
}
|
|
bool RemoveRecvStream(uint32_t ssrc) override {
|
|
return receive_impl()->RemoveRecvStream(ssrc);
|
|
}
|
|
void ResetUnsignaledRecvStream() override {
|
|
return receive_impl()->ResetUnsignaledRecvStream();
|
|
}
|
|
absl::optional<uint32_t> GetUnsignaledSsrc() const override {
|
|
return receive_impl()->GetUnsignaledSsrc();
|
|
}
|
|
void ChooseReceiverReportSsrc(const std::set<uint32_t>& choices) override {
|
|
return receive_impl()->ChooseReceiverReportSsrc(choices);
|
|
}
|
|
void OnDemuxerCriteriaUpdatePending() override {
|
|
receive_impl()->OnDemuxerCriteriaUpdatePending();
|
|
}
|
|
void OnDemuxerCriteriaUpdateComplete() override {
|
|
receive_impl()->OnDemuxerCriteriaUpdateComplete();
|
|
}
|
|
void SetFrameDecryptor(uint32_t ssrc,
|
|
rtc::scoped_refptr<webrtc::FrameDecryptorInterface>
|
|
frame_decryptor) override {
|
|
receive_impl()->SetFrameDecryptor(ssrc, frame_decryptor);
|
|
}
|
|
void SetDepacketizerToDecoderFrameTransformer(
|
|
uint32_t ssrc,
|
|
rtc::scoped_refptr<webrtc::FrameTransformerInterface> frame_transformer)
|
|
override {
|
|
receive_impl()->SetDepacketizerToDecoderFrameTransformer(ssrc,
|
|
frame_transformer);
|
|
}
|
|
// Implementation of VideoMediaReceiveChannelInterface
|
|
bool SetRecvParameters(const VideoRecvParameters& params) override {
|
|
return receive_impl()->SetRecvParameters(params);
|
|
}
|
|
webrtc::RtpParameters GetRtpReceiveParameters(uint32_t ssrc) const override {
|
|
return receive_impl()->GetRtpReceiveParameters(ssrc);
|
|
}
|
|
webrtc::RtpParameters GetDefaultRtpReceiveParameters() const override {
|
|
return receive_impl()->GetDefaultRtpReceiveParameters();
|
|
}
|
|
bool SetSink(uint32_t ssrc,
|
|
rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) override {
|
|
return receive_impl()->SetSink(ssrc, sink);
|
|
}
|
|
void SetDefaultSink(
|
|
rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) override {
|
|
return receive_impl()->SetDefaultSink(sink);
|
|
}
|
|
void RequestRecvKeyFrame(uint32_t ssrc) override {
|
|
return receive_impl()->RequestRecvKeyFrame(ssrc);
|
|
}
|
|
std::vector<webrtc::RtpSource> GetSources(uint32_t ssrc) const override {
|
|
return receive_impl()->GetSources(ssrc);
|
|
}
|
|
// Set recordable encoded frame callback for `ssrc`
|
|
void SetRecordableEncodedFrameCallback(
|
|
uint32_t ssrc,
|
|
std::function<void(const webrtc::RecordableEncodedFrame&)> callback)
|
|
override {
|
|
return receive_impl()->SetRecordableEncodedFrameCallback(
|
|
ssrc, std::move(callback));
|
|
}
|
|
// Clear recordable encoded frame callback for `ssrc`
|
|
void ClearRecordableEncodedFrameCallback(uint32_t ssrc) override {
|
|
receive_impl()->ClearRecordableEncodedFrameCallback(ssrc);
|
|
}
|
|
bool GetStats(VideoMediaReceiveInfo* info) override {
|
|
return receive_impl()->GetStats(info);
|
|
}
|
|
bool GetReceiveStats(VideoMediaReceiveInfo* info) override {
|
|
return receive_impl()->GetStats(info);
|
|
}
|
|
void SetReceiverFeedbackParameters(bool lntf_enabled,
|
|
bool nack_enabled,
|
|
webrtc::RtcpMode rtcp_mode,
|
|
absl::optional<int> rtx_time) override {
|
|
receive_impl()->SetReceiverFeedbackParameters(lntf_enabled, nack_enabled,
|
|
rtcp_mode, rtx_time);
|
|
}
|
|
void SetReceive(bool receive) override {
|
|
receive_impl()->SetReceive(receive);
|
|
}
|
|
bool AddDefaultRecvStreamForTesting(const StreamParams& sp) override {
|
|
return receive_impl()->AddDefaultRecvStreamForTesting(sp);
|
|
}
|
|
|
|
// Only for testing of implementations - these will be used to static_cast the
|
|
// pointers to the implementations, so can only be safely used in conjunction
|
|
// with the corresponding create functions.
|
|
VideoMediaSendChannelInterface* SendImplForTesting() {
|
|
return send_impl_.get();
|
|
}
|
|
VideoMediaReceiveChannelInterface* ReceiveImplForTesting() {
|
|
return receive_impl_.get();
|
|
}
|
|
|
|
private:
|
|
VideoMediaSendChannelInterface* send_impl() { return send_impl_.get(); }
|
|
VideoMediaReceiveChannelInterface* receive_impl() {
|
|
RTC_DCHECK(receive_impl_);
|
|
return receive_impl_.get();
|
|
}
|
|
const VideoMediaSendChannelInterface* send_impl() const {
|
|
RTC_DCHECK(send_impl_);
|
|
return send_impl_.get();
|
|
}
|
|
const VideoMediaReceiveChannelInterface* receive_impl() const {
|
|
return receive_impl_.get();
|
|
}
|
|
|
|
std::unique_ptr<VideoMediaSendChannelInterface> send_impl_;
|
|
std::unique_ptr<VideoMediaReceiveChannelInterface> receive_impl_;
|
|
};
|
|
|
|
} // namespace cricket
|
|
|
|
#endif // MEDIA_BASE_MEDIA_CHANNEL_SHIM_H_
|