125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/*
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* Copyright (c) 2017 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 "api/video/video_timing.h"
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#include <algorithm>
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#include <cstdint>
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#include <string>
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#include "api/array_view.h"
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#include "api/units/time_delta.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/numerics/safe_conversions.h"
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#include "rtc_base/strings/string_builder.h"
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namespace webrtc {
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uint16_t VideoSendTiming::GetDeltaCappedMs(int64_t base_ms, int64_t time_ms) {
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if (time_ms < base_ms) {
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RTC_DLOG(LS_ERROR) << "Delta " << (time_ms - base_ms)
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<< "ms expected to be positive";
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}
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return rtc::saturated_cast<uint16_t>(time_ms - base_ms);
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}
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uint16_t VideoSendTiming::GetDeltaCappedMs(TimeDelta delta) {
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if (delta < TimeDelta::Zero()) {
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RTC_DLOG(LS_ERROR) << "Delta " << delta.ms()
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<< "ms expected to be positive";
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}
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return rtc::saturated_cast<uint16_t>(delta.ms());
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}
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TimingFrameInfo::TimingFrameInfo()
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: rtp_timestamp(0),
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capture_time_ms(-1),
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encode_start_ms(-1),
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encode_finish_ms(-1),
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packetization_finish_ms(-1),
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pacer_exit_ms(-1),
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network_timestamp_ms(-1),
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network2_timestamp_ms(-1),
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receive_start_ms(-1),
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receive_finish_ms(-1),
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decode_start_ms(-1),
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decode_finish_ms(-1),
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render_time_ms(-1),
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flags(VideoSendTiming::kNotTriggered) {}
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int64_t TimingFrameInfo::EndToEndDelay() const {
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return capture_time_ms >= 0 ? decode_finish_ms - capture_time_ms : -1;
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}
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bool TimingFrameInfo::IsLongerThan(const TimingFrameInfo& other) const {
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int64_t other_delay = other.EndToEndDelay();
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return other_delay == -1 || EndToEndDelay() > other_delay;
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}
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bool TimingFrameInfo::operator<(const TimingFrameInfo& other) const {
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return other.IsLongerThan(*this);
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}
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bool TimingFrameInfo::operator<=(const TimingFrameInfo& other) const {
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return !IsLongerThan(other);
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}
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bool TimingFrameInfo::IsOutlier() const {
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return !IsInvalid() && (flags & VideoSendTiming::kTriggeredBySize);
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}
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bool TimingFrameInfo::IsTimerTriggered() const {
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return !IsInvalid() && (flags & VideoSendTiming::kTriggeredByTimer);
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}
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bool TimingFrameInfo::IsInvalid() const {
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return flags == VideoSendTiming::kInvalid;
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}
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std::string TimingFrameInfo::ToString() const {
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if (IsInvalid()) {
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return "";
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}
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char buf[1024];
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rtc::SimpleStringBuilder sb(buf);
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sb << rtp_timestamp << ',' << capture_time_ms << ',' << encode_start_ms << ','
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<< encode_finish_ms << ',' << packetization_finish_ms << ','
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<< pacer_exit_ms << ',' << network_timestamp_ms << ','
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<< network2_timestamp_ms << ',' << receive_start_ms << ','
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<< receive_finish_ms << ',' << decode_start_ms << ',' << decode_finish_ms
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<< ',' << render_time_ms << ',' << IsOutlier() << ','
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<< IsTimerTriggered();
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return sb.str();
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}
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VideoPlayoutDelay::VideoPlayoutDelay(TimeDelta min, TimeDelta max)
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: min_(std::clamp(min, TimeDelta::Zero(), kMax)),
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max_(std::clamp(max, min_, kMax)) {
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if (!(TimeDelta::Zero() <= min && min <= max && max <= kMax)) {
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RTC_LOG(LS_ERROR) << "Invalid video playout delay: [" << min << "," << max
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<< "]. Clamped to [" << this->min() << "," << this->max()
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<< "]";
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}
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}
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bool VideoPlayoutDelay::Set(TimeDelta min, TimeDelta max) {
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if (TimeDelta::Zero() <= min && min <= max && max <= kMax) {
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min_ = min;
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max_ = max;
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return true;
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}
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return false;
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}
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} // namespace webrtc
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