45c44f0b94
EncoderStateFeedback is now only connected to one encoder, so remove map and other complexity to deliver feedback more directly. BUG=webrtc:5494 R=danilchap@webrtc.org Review URL: https://codereview.webrtc.org/1706803002 . Cr-Commit-Position: refs/heads/master@{#11687}
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/*
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* Copyright (c) 2012 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/video/encoder_state_feedback.h"
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#include "webrtc/base/checks.h"
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#include "webrtc/video/vie_encoder.h"
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namespace webrtc {
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EncoderStateFeedback::EncoderStateFeedback() : vie_encoder_(nullptr) {}
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void EncoderStateFeedback::Init(const std::vector<uint32_t>& ssrcs,
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ViEEncoder* encoder) {
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RTC_DCHECK(!ssrcs.empty());
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rtc::CritScope lock(&crit_);
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ssrcs_ = ssrcs;
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vie_encoder_ = encoder;
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}
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void EncoderStateFeedback::TearDown() {
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rtc::CritScope lock(&crit_);
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RTC_DCHECK(vie_encoder_);
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ssrcs_.clear();
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vie_encoder_ = nullptr;
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}
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bool EncoderStateFeedback::HasSsrc(uint32_t ssrc) {
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for (uint32_t registered_ssrc : ssrcs_) {
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if (registered_ssrc == ssrc)
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return true;
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}
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return false;
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}
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void EncoderStateFeedback::OnReceivedIntraFrameRequest(uint32_t ssrc) {
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rtc::CritScope lock(&crit_);
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if (!HasSsrc(ssrc))
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return;
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RTC_DCHECK(vie_encoder_);
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vie_encoder_->OnReceivedIntraFrameRequest(ssrc);
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}
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void EncoderStateFeedback::OnReceivedSLI(uint32_t ssrc, uint8_t picture_id) {
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rtc::CritScope lock(&crit_);
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if (!HasSsrc(ssrc))
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return;
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RTC_DCHECK(vie_encoder_);
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vie_encoder_->OnReceivedSLI(ssrc, picture_id);
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}
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void EncoderStateFeedback::OnReceivedRPSI(uint32_t ssrc, uint64_t picture_id) {
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rtc::CritScope lock(&crit_);
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if (!HasSsrc(ssrc))
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return;
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RTC_DCHECK(vie_encoder_);
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vie_encoder_->OnReceivedRPSI(ssrc, picture_id);
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}
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// Sending SSRCs for this encoder should never change since they are configured
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// once and not reconfigured.
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void EncoderStateFeedback::OnLocalSsrcChanged(uint32_t old_ssrc,
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uint32_t new_ssrc) {
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if (!RTC_DCHECK_IS_ON)
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return;
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rtc::CritScope lock(&crit_);
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if (ssrcs_.empty()) // Encoder not yet attached (or detached for teardown).
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return;
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// SSRC shouldn't change to something we haven't already registered with the
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// encoder.
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RTC_DCHECK(HasSsrc(new_ssrc));
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}
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} // namespace webrtc
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