mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-14 06:10:40 +01:00
3e70781361
This is a follow-up to https://webrtc-review.googlesource.com/c/src/+/106280. This time the whole code base is covered. Some files may have not been fixed though, whenever the IWYU tool was breaking the build. Bug: webrtc:8311 Change-Id: I2c31f552a87e887d33931d46e87b6208b1e483ef Reviewed-on: https://webrtc-review.googlesource.com/c/111965 Commit-Queue: Yves Gerey <yvesg@google.com> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25830}
90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
/*
|
|
* Copyright (c) 2018 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/video_coding/utility/framerate_controller.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "test/gtest.h"
|
|
|
|
namespace webrtc {
|
|
|
|
TEST(FramerateController, KeepTargetFramerate) {
|
|
const float input_framerate_fps = 20;
|
|
const float target_framerate_fps = 5;
|
|
const float max_abs_framerate_error_fps = target_framerate_fps * 0.1f;
|
|
const size_t input_duration_secs = 3;
|
|
const size_t num_input_frames = input_duration_secs * input_framerate_fps;
|
|
|
|
FramerateController framerate_controller(target_framerate_fps);
|
|
size_t num_dropped_frames = 0;
|
|
for (size_t frame_num = 0; frame_num < num_input_frames; ++frame_num) {
|
|
const uint32_t timestamp_ms =
|
|
static_cast<uint32_t>(1000 * frame_num / input_framerate_fps);
|
|
if (framerate_controller.DropFrame(timestamp_ms)) {
|
|
++num_dropped_frames;
|
|
} else {
|
|
framerate_controller.AddFrame(timestamp_ms);
|
|
}
|
|
}
|
|
|
|
const float output_framerate_fps =
|
|
static_cast<float>(num_input_frames - num_dropped_frames) /
|
|
input_duration_secs;
|
|
EXPECT_NEAR(output_framerate_fps, target_framerate_fps,
|
|
max_abs_framerate_error_fps);
|
|
}
|
|
|
|
TEST(FramerateController, DoNotDropAnyFramesIfTargerEqualsInput) {
|
|
const float input_framerate_fps = 30;
|
|
const size_t input_duration_secs = 3;
|
|
const size_t num_input_frames = input_duration_secs * input_framerate_fps;
|
|
|
|
FramerateController framerate_controller(input_framerate_fps);
|
|
size_t num_dropped_frames = 0;
|
|
for (size_t frame_num = 0; frame_num < num_input_frames; ++frame_num) {
|
|
const uint32_t timestamp_ms =
|
|
static_cast<uint32_t>(1000 * frame_num / input_framerate_fps);
|
|
if (framerate_controller.DropFrame(timestamp_ms)) {
|
|
++num_dropped_frames;
|
|
} else {
|
|
framerate_controller.AddFrame(timestamp_ms);
|
|
}
|
|
}
|
|
|
|
EXPECT_EQ(num_dropped_frames, 0U);
|
|
}
|
|
|
|
TEST(FramerateController, DoNotDropFrameWhenTimestampJumpsBackward) {
|
|
FramerateController framerate_controller(30);
|
|
ASSERT_FALSE(framerate_controller.DropFrame(66));
|
|
framerate_controller.AddFrame(66);
|
|
EXPECT_FALSE(framerate_controller.DropFrame(33));
|
|
}
|
|
|
|
TEST(FramerateController, DropFrameIfItIsTooCloseToPreviousFrame) {
|
|
FramerateController framerate_controller(30);
|
|
ASSERT_FALSE(framerate_controller.DropFrame(33));
|
|
framerate_controller.AddFrame(33);
|
|
EXPECT_TRUE(framerate_controller.DropFrame(34));
|
|
}
|
|
|
|
TEST(FramerateController, FrameDroppingStartsFromSecondInputFrame) {
|
|
const float input_framerate_fps = 23;
|
|
const float target_framerate_fps = 19;
|
|
const uint32_t input_frame_duration_ms =
|
|
static_cast<uint32_t>(1000 / input_framerate_fps);
|
|
FramerateController framerate_controller(target_framerate_fps);
|
|
ASSERT_FALSE(framerate_controller.DropFrame(1 * input_frame_duration_ms));
|
|
framerate_controller.AddFrame(1 * input_frame_duration_ms);
|
|
EXPECT_TRUE(framerate_controller.DropFrame(2 * input_frame_duration_ms));
|
|
}
|
|
|
|
} // namespace webrtc
|