0a4c1616bf
There is no need for it to be an interface. In this CL, I also took the opportunity to make two small fixes: - remove the 'flexfec_' prefix from some member variables - remove unnecessary use of a stringstream object BUG=webrtc:5654 Review-Url: https://codereview.webrtc.org/2471073003 Cr-Commit-Position: refs/heads/master@{#14919}
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*
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* Copyright (c) 2016 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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#include "webrtc/call/flexfec_receive_stream.h"
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#include "webrtc/base/checks.h"
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#include "webrtc/base/logging.h"
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namespace webrtc {
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std::string FlexfecReceiveStream::Stats::ToString(int64_t time_ms) const {
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std::stringstream ss;
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ss << "FlexfecReceiveStream stats: " << time_ms
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<< ", {flexfec_bitrate_bps: " << flexfec_bitrate_bps << "}";
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return ss.str();
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}
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namespace {
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// TODO(brandtr): Update this function when we support multistream protection.
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std::unique_ptr<FlexfecReceiver> MaybeUpdateConfigAndCreateFlexfecReceiver(
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FlexfecReceiveStream::Config* config,
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RecoveredPacketReceiver* recovered_packet_callback) {
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if (config->protected_media_ssrcs.empty()) {
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LOG(LS_ERROR) << "No protected media SSRC supplied. "
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<< "This FlexfecReceiveStream will therefore be useless.";
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return nullptr;
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} else if (config->protected_media_ssrcs.size() > 1) {
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LOG(LS_WARNING)
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<< "The supplied FlexfecConfig contained multiple protected "
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"media streams, but our implementation currently only "
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"supports protecting a single media stream. This "
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"FlexfecReceiveStream will therefore only accept media "
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"packets from the first supplied media stream, with SSRC "
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<< config->protected_media_ssrcs[0] << ".";
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config->protected_media_ssrcs.resize(1);
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}
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return std::unique_ptr<FlexfecReceiver>(new FlexfecReceiver(
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config->flexfec_ssrc, config->protected_media_ssrcs[0],
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recovered_packet_callback));
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}
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} // namespace
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namespace internal {
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FlexfecReceiveStream::FlexfecReceiveStream(
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Config configuration,
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RecoveredPacketReceiver* recovered_packet_callback)
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: started_(false),
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config_(configuration),
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receiver_(MaybeUpdateConfigAndCreateFlexfecReceiver(
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&config_,
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recovered_packet_callback)) {
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LOG(LS_INFO) << "FlexfecReceiveStream: " << config_.ToString();
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}
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FlexfecReceiveStream::~FlexfecReceiveStream() {
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LOG(LS_INFO) << "~FlexfecReceiveStream: " << config_.ToString();
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Stop();
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}
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bool FlexfecReceiveStream::AddAndProcessReceivedPacket(const uint8_t* packet,
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size_t packet_length) {
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{
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rtc::CritScope cs(&crit_);
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if (!started_)
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return false;
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}
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if (!receiver_)
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return false;
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return receiver_->AddAndProcessReceivedPacket(packet, packet_length);
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}
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void FlexfecReceiveStream::Start() {
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rtc::CritScope cs(&crit_);
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started_ = true;
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}
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void FlexfecReceiveStream::Stop() {
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rtc::CritScope cs(&crit_);
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started_ = false;
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}
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// TODO(brandtr): Implement this member function when we have designed the
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// stats for FlexFEC.
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FlexfecReceiveStream::Stats FlexfecReceiveStream::GetStats() const {
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return webrtc::FlexfecReceiveStream::Stats();
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}
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} // namespace internal
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} // namespace webrtc
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