webrtc/modules/rtp_rtcp/source/capture_clock_offset_updater_unittest.cc
Minyue Li 63b3095d2b Make local to capturer clock offset a separate entry in PacketInfo.
This also changes the meaning of |estimated_capture_clock_offset| in
|absolute_capture_time_| to become a remote to capturer clock offset.

Bug: chromium:1056230, webrtc:10739
Change-Id: Id658590e027bbe77ae0834ea224e1dc977a305f2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/219163
Commit-Queue: Minyue Li <minyue@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Reviewed-by: Chen Xing <chxg@google.com>
Cr-Commit-Position: refs/heads/master@{#34067}
2021-05-20 13:42:57 +00:00

58 lines
2.2 KiB
C++

/*
* Copyright (c) 2021 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 "modules/rtp_rtcp/source/capture_clock_offset_updater.h"
#include "system_wrappers/include/ntp_time.h"
#include "test/gmock.h"
#include "test/gtest.h"
namespace webrtc {
TEST(AbsoluteCaptureTimeReceiverTest,
SkipEstimatedCaptureClockOffsetIfRemoteToLocalClockOffsetIsUnknown) {
static const absl::optional<int64_t> kRemoteCaptureClockOffset =
Int64MsToQ32x32(-350);
CaptureClockOffsetUpdater updater;
updater.SetRemoteToLocalClockOffset(absl::nullopt);
EXPECT_EQ(
updater.AdjustEstimatedCaptureClockOffset(kRemoteCaptureClockOffset),
absl::nullopt);
}
TEST(AbsoluteCaptureTimeReceiverTest,
SkipEstimatedCaptureClockOffsetIfRemoteCaptureClockOffsetIsUnknown) {
static const absl::optional<int64_t> kCaptureClockOffsetNull = absl::nullopt;
CaptureClockOffsetUpdater updater;
updater.SetRemoteToLocalClockOffset(0);
EXPECT_EQ(updater.AdjustEstimatedCaptureClockOffset(kCaptureClockOffsetNull),
kCaptureClockOffsetNull);
static const absl::optional<int64_t> kRemoteCaptureClockOffset =
Int64MsToQ32x32(-350);
EXPECT_EQ(
updater.AdjustEstimatedCaptureClockOffset(kRemoteCaptureClockOffset),
kRemoteCaptureClockOffset);
}
TEST(AbsoluteCaptureTimeReceiverTest, EstimatedCaptureClockOffsetArithmetic) {
static const absl::optional<int64_t> kRemoteCaptureClockOffset =
Int64MsToQ32x32(-350);
static const absl::optional<int64_t> kRemoteToLocalClockOffset =
Int64MsToQ32x32(-7000007);
CaptureClockOffsetUpdater updater;
updater.SetRemoteToLocalClockOffset(kRemoteToLocalClockOffset);
EXPECT_THAT(
updater.AdjustEstimatedCaptureClockOffset(kRemoteCaptureClockOffset),
::testing::Optional(::testing::Eq(*kRemoteCaptureClockOffset +
*kRemoteToLocalClockOffset)));
}
} // namespace webrtc