213618e37e
Bug: webrtc:8830 Change-Id: I01de86f601e48f76e6b41b4182ce006d397a190c Reviewed-on: https://webrtc-review.googlesource.com/78260 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24079}
68 lines
2.0 KiB
C++
68 lines
2.0 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 "video/encoder_rtcp_feedback.h"
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#include "api/video/video_stream_encoder_interface.h"
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#include "rtc_base/checks.h"
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static const int kMinKeyFrameRequestIntervalMs = 300;
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namespace webrtc {
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EncoderRtcpFeedback::EncoderRtcpFeedback(Clock* clock,
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const std::vector<uint32_t>& ssrcs,
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VideoStreamEncoderInterface* encoder)
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: clock_(clock),
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ssrcs_(ssrcs),
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video_stream_encoder_(encoder),
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time_last_intra_request_ms_(ssrcs.size(), -1) {
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RTC_DCHECK(!ssrcs.empty());
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}
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bool EncoderRtcpFeedback::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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}
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return false;
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}
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size_t EncoderRtcpFeedback::GetStreamIndex(uint32_t ssrc) {
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for (size_t i = 0; i < ssrcs_.size(); ++i) {
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if (ssrcs_[i] == ssrc)
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return i;
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}
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RTC_NOTREACHED() << "Unknown ssrc " << ssrc;
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return 0;
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}
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void EncoderRtcpFeedback::OnReceivedIntraFrameRequest(uint32_t ssrc) {
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RTC_DCHECK(HasSsrc(ssrc));
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size_t index = GetStreamIndex(ssrc);
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{
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// TODO(mflodman): Move to VideoStreamEncoder after some more changes making
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// it easier to test there.
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int64_t now_ms = clock_->TimeInMilliseconds();
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rtc::CritScope lock(&crit_);
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if (time_last_intra_request_ms_[index] + kMinKeyFrameRequestIntervalMs >
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now_ms) {
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return;
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}
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time_last_intra_request_ms_[index] = now_ms;
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}
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// Always produce key frame for all streams.
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video_stream_encoder_->SendKeyFrame();
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}
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} // namespace webrtc
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