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/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "api/video/video_timing.h"
#include <algorithm>
#include <cstdint>
#include <string>
#include "api/array_view.h"
#include "api/units/time_delta.h"
#include "rtc_base/logging.h"
#include "rtc_base/numerics/safe_conversions.h"
#include "rtc_base/strings/string_builder.h"
namespace webrtc {
uint16_t VideoSendTiming::GetDeltaCappedMs(int64_t base_ms, int64_t time_ms) {
if (time_ms < base_ms) {
RTC_DLOG(LS_ERROR) << "Delta " << (time_ms - base_ms)
<< "ms expected to be positive";
}
return rtc::saturated_cast<uint16_t>(time_ms - base_ms);
}
uint16_t VideoSendTiming::GetDeltaCappedMs(TimeDelta delta) {
if (delta < TimeDelta::Zero()) {
RTC_DLOG(LS_ERROR) << "Delta " << delta.ms()
<< "ms expected to be positive";
}
return rtc::saturated_cast<uint16_t>(delta.ms());
}
TimingFrameInfo::TimingFrameInfo()
: rtp_timestamp(0),
capture_time_ms(-1),
encode_start_ms(-1),
encode_finish_ms(-1),
packetization_finish_ms(-1),
pacer_exit_ms(-1),
network_timestamp_ms(-1),
network2_timestamp_ms(-1),
receive_start_ms(-1),
receive_finish_ms(-1),
decode_start_ms(-1),
decode_finish_ms(-1),
render_time_ms(-1),
flags(VideoSendTiming::kNotTriggered) {}
int64_t TimingFrameInfo::EndToEndDelay() const {
return capture_time_ms >= 0 ? decode_finish_ms - capture_time_ms : -1;
}
bool TimingFrameInfo::IsLongerThan(const TimingFrameInfo& other) const {
int64_t other_delay = other.EndToEndDelay();
return other_delay == -1 || EndToEndDelay() > other_delay;
}
bool TimingFrameInfo::operator<(const TimingFrameInfo& other) const {
return other.IsLongerThan(*this);
}
bool TimingFrameInfo::operator<=(const TimingFrameInfo& other) const {
return !IsLongerThan(other);
}
bool TimingFrameInfo::IsOutlier() const {
return !IsInvalid() && (flags & VideoSendTiming::kTriggeredBySize);
}
bool TimingFrameInfo::IsTimerTriggered() const {
return !IsInvalid() && (flags & VideoSendTiming::kTriggeredByTimer);
}
bool TimingFrameInfo::IsInvalid() const {
return flags == VideoSendTiming::kInvalid;
}
std::string TimingFrameInfo::ToString() const {
if (IsInvalid()) {
return "";
}
char buf[1024];
rtc::SimpleStringBuilder sb(buf);
sb << rtp_timestamp << ',' << capture_time_ms << ',' << encode_start_ms << ','
<< encode_finish_ms << ',' << packetization_finish_ms << ','
<< pacer_exit_ms << ',' << network_timestamp_ms << ','
<< network2_timestamp_ms << ',' << receive_start_ms << ','
<< receive_finish_ms << ',' << decode_start_ms << ',' << decode_finish_ms
<< ',' << render_time_ms << ',' << IsOutlier() << ','
<< IsTimerTriggered();
return sb.str();
}
VideoPlayoutDelay::VideoPlayoutDelay(TimeDelta min, TimeDelta max)
: min_(std::clamp(min, TimeDelta::Zero(), kMax)),
max_(std::clamp(max, min_, kMax)) {
if (!(TimeDelta::Zero() <= min && min <= max && max <= kMax)) {
RTC_LOG(LS_ERROR) << "Invalid video playout delay: [" << min << "," << max
<< "]. Clamped to [" << this->min() << "," << this->max()
<< "]";
}
}
bool VideoPlayoutDelay::Set(TimeDelta min, TimeDelta max) {
if (TimeDelta::Zero() <= min && min <= max && max <= kMax) {
min_ = min;
max_ = max;
return true;
}
return false;
}
} // namespace webrtc