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130 lines
5.6 KiB
130 lines
5.6 KiB
4 months ago
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/*
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* Copyright (c) 2020 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 "call/adaptation/video_source_restrictions.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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const size_t kHdPixels = 1280 * 720;
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const VideoSourceRestrictions kUnlimited;
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const VideoSourceRestrictions k15fps(absl::nullopt, absl::nullopt, 15.0);
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const VideoSourceRestrictions kHd(kHdPixels, kHdPixels, absl::nullopt);
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const VideoSourceRestrictions kHd15fps(kHdPixels, kHdPixels, 15.0);
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const VideoSourceRestrictions kVga7fps(kHdPixels / 2, kHdPixels / 2, 7.0);
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VideoSourceRestrictions RestrictionsFromMaxPixelsPerFrame(
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size_t max_pixels_per_frame) {
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return VideoSourceRestrictions(max_pixels_per_frame, absl::nullopt,
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absl::nullopt);
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}
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VideoSourceRestrictions RestrictionsFromMaxFrameRate(double max_frame_rate) {
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return VideoSourceRestrictions(absl::nullopt, absl::nullopt, max_frame_rate);
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}
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} // namespace
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TEST(VideoSourceRestrictionsTest, DidIncreaseResolution) {
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// smaller restrictions -> larger restrictions
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EXPECT_TRUE(DidIncreaseResolution(RestrictionsFromMaxPixelsPerFrame(10),
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RestrictionsFromMaxPixelsPerFrame(11)));
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// unrestricted -> restricted
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EXPECT_FALSE(DidIncreaseResolution(VideoSourceRestrictions(),
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RestrictionsFromMaxPixelsPerFrame(10)));
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// restricted -> unrestricted
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EXPECT_TRUE(DidIncreaseResolution(RestrictionsFromMaxPixelsPerFrame(10),
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VideoSourceRestrictions()));
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// restricted -> equally restricted
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EXPECT_FALSE(DidIncreaseResolution(RestrictionsFromMaxPixelsPerFrame(10),
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RestrictionsFromMaxPixelsPerFrame(10)));
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// unrestricted -> unrestricted
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EXPECT_FALSE(DidIncreaseResolution(VideoSourceRestrictions(),
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VideoSourceRestrictions()));
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// larger restrictions -> smaller restrictions
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EXPECT_FALSE(DidIncreaseResolution(RestrictionsFromMaxPixelsPerFrame(10),
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RestrictionsFromMaxPixelsPerFrame(9)));
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}
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TEST(VideoSourceRestrictionsTest, DidDecreaseFrameRate) {
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// samller restrictions -> larger restrictions
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EXPECT_FALSE(DidDecreaseFrameRate(RestrictionsFromMaxFrameRate(10),
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RestrictionsFromMaxFrameRate(11)));
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// unrestricted -> restricted
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EXPECT_TRUE(DidDecreaseFrameRate(VideoSourceRestrictions(),
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RestrictionsFromMaxFrameRate(10)));
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// restricted -> unrestricted
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EXPECT_FALSE(DidDecreaseFrameRate(RestrictionsFromMaxFrameRate(10),
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VideoSourceRestrictions()));
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// restricted -> equally restricted
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EXPECT_FALSE(DidDecreaseFrameRate(RestrictionsFromMaxFrameRate(10),
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RestrictionsFromMaxFrameRate(10)));
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// unrestricted -> unrestricted
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EXPECT_FALSE(DidDecreaseFrameRate(VideoSourceRestrictions(),
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VideoSourceRestrictions()));
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// larger restrictions -> samller restrictions
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EXPECT_TRUE(DidDecreaseFrameRate(RestrictionsFromMaxFrameRate(10),
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RestrictionsFromMaxFrameRate(9)));
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}
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TEST(VideoSourceRestrictionsTest, DidRestrictionsChangeFalseForSame) {
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EXPECT_FALSE(DidRestrictionsDecrease(kUnlimited, kUnlimited));
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EXPECT_FALSE(DidRestrictionsIncrease(kUnlimited, kUnlimited));
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// Both resolution and fps restricted.
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EXPECT_FALSE(DidRestrictionsDecrease(kHd15fps, kHd15fps));
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EXPECT_FALSE(DidRestrictionsIncrease(kHd15fps, kHd15fps));
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}
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TEST(VideoSourceRestrictions,
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DidRestrictionsIncreaseTrueWhenPixelsOrFrameRateDecreased) {
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// Unlimited > Limited resolution.
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EXPECT_TRUE(DidRestrictionsIncrease(kUnlimited, kHd));
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// Unlimited > limited fps.
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EXPECT_TRUE(DidRestrictionsIncrease(kUnlimited, k15fps));
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// Unlimited > limited resolution + limited fps.
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EXPECT_TRUE(DidRestrictionsIncrease(kUnlimited, kHd15fps));
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// Limited resolution > limited resolution + limited fps.
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EXPECT_TRUE(DidRestrictionsIncrease(kHd, kHd15fps));
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// Limited fps > limited resolution + limited fps.
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EXPECT_TRUE(DidRestrictionsIncrease(k15fps, kHd15fps));
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// Limited resolution + fps > More limited resolution + more limited fps
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EXPECT_TRUE(DidRestrictionsIncrease(kHd15fps, kVga7fps));
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}
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TEST(VideoSourceRestrictions,
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DidRestrictionsDecreaseTrueWhenPixelsOrFrameRateIncreased) {
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// Limited resolution < Unlimited.
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EXPECT_TRUE(DidRestrictionsDecrease(kHd, kUnlimited));
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// Limited fps < Unlimited.
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EXPECT_TRUE(DidRestrictionsDecrease(k15fps, kUnlimited));
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// Limited resolution + limited fps < unlimited.
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EXPECT_TRUE(DidRestrictionsDecrease(kHd15fps, kUnlimited));
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// Limited resolution + limited fps < limited resolution.
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EXPECT_TRUE(DidRestrictionsDecrease(kHd15fps, kHd));
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// Limited resolution + limited fps < limited fps.
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EXPECT_TRUE(DidRestrictionsDecrease(kHd15fps, k15fps));
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// More limited resolution + more limited fps < limited resolution + fps
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EXPECT_TRUE(DidRestrictionsDecrease(kVga7fps, kHd15fps));
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}
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TEST(VideoSourceRestrictions,
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DidRestrictionsChangeFalseWhenFrameRateAndPixelsChangeDifferently) {
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// One changed framerate, the other resolution; not an increase or decrease.
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EXPECT_FALSE(DidRestrictionsIncrease(kHd, k15fps));
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EXPECT_FALSE(DidRestrictionsDecrease(kHd, k15fps));
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}
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} // namespace webrtc
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