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1 /* | 1 /* |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "testing/gtest/include/gtest/gtest.h" | 11 #include "testing/gtest/include/gtest/gtest.h" |
12 #include "vpx/vpx_encoder.h" | 12 #include "vpx/vpx_encoder.h" |
13 #include "vpx/vp8cx.h" | 13 #include "vpx/vp8cx.h" |
14 #include "webrtc/modules/video_coding/codecs/vp8/reference_picture_selection.h" | 14 #include "webrtc/modules/video_coding/codecs/vp8/reference_picture_selection.h" |
15 | 15 |
16 using webrtc::ReferencePictureSelection; | 16 using webrtc::ReferencePictureSelection; |
17 | 17 |
18 // The minimum time between reference frame updates. Should match the values | 18 // The minimum time between reference frame updates. Should match the values |
19 // set in reference_picture_selection.h | 19 // set in reference_picture_selection.h |
20 static const uint32_t kMinUpdateInterval = 10; | 20 static const uint32_t kMinUpdateInterval = 10; |
21 // The minimum time between decoder refreshes through restricted prediction. | 21 // The minimum time between decoder refreshes through restricted prediction. |
22 // Should match the values set in reference_picture_selection.h | 22 // Should match the values set in reference_picture_selection.h |
23 static const int kRtt = 10; | 23 static const int kRtt = 10; |
24 | 24 |
25 static const int kNoPropagationGolden = VP8_EFLAG_NO_REF_ARF | | 25 static const int kNoPropagationGolden = |
26 VP8_EFLAG_NO_UPD_GF | | 26 VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF; |
27 VP8_EFLAG_NO_UPD_ARF; | 27 static const int kNoPropagationAltRef = |
28 static const int kNoPropagationAltRef = VP8_EFLAG_NO_REF_GF | | 28 VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF; |
29 VP8_EFLAG_NO_UPD_GF | | 29 static const int kPropagateGolden = VP8_EFLAG_FORCE_GF | VP8_EFLAG_NO_UPD_ARF | |
30 VP8_EFLAG_NO_UPD_ARF; | 30 VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_LAST; |
31 static const int kPropagateGolden = VP8_EFLAG_FORCE_GF | | 31 static const int kPropagateAltRef = VP8_EFLAG_FORCE_ARF | VP8_EFLAG_NO_UPD_GF | |
32 VP8_EFLAG_NO_UPD_ARF | | 32 VP8_EFLAG_NO_REF_ARF | |
33 VP8_EFLAG_NO_REF_GF | | 33 VP8_EFLAG_NO_REF_LAST; |
34 VP8_EFLAG_NO_REF_LAST; | 34 static const int kRefreshFromGolden = |
35 static const int kPropagateAltRef = VP8_EFLAG_FORCE_ARF | | 35 VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_ARF; |
36 VP8_EFLAG_NO_UPD_GF | | 36 static const int kRefreshFromAltRef = |
37 VP8_EFLAG_NO_REF_ARF | | 37 VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF; |
38 VP8_EFLAG_NO_REF_LAST; | |
39 static const int kRefreshFromGolden = VP8_EFLAG_NO_REF_LAST | | |
40 VP8_EFLAG_NO_REF_ARF; | |
41 static const int kRefreshFromAltRef = VP8_EFLAG_NO_REF_LAST | | |
42 VP8_EFLAG_NO_REF_GF; | |
43 | |
44 | 38 |
45 class TestRPS : public ::testing::Test { | 39 class TestRPS : public ::testing::Test { |
46 protected: | 40 protected: |
47 virtual void SetUp() { | 41 virtual void SetUp() { |
48 rps_.Init(); | 42 rps_.Init(); |
49 // Initialize with sending a key frame and acknowledging it. | 43 // Initialize with sending a key frame and acknowledging it. |
50 rps_.EncodedKeyFrame(0); | 44 rps_.EncodedKeyFrame(0); |
51 rps_.ReceivedRPSI(0); | 45 rps_.ReceivedRPSI(0); |
52 rps_.SetRtt(kRtt); | 46 rps_.SetRtt(kRtt); |
53 } | 47 } |
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77 TEST_F(TestRPS, TestDecoderRefresh) { | 71 TEST_F(TestRPS, TestDecoderRefresh) { |
78 uint32_t time = kRtt + 1; | 72 uint32_t time = kRtt + 1; |
79 // No more than one refresh per RTT. | 73 // No more than one refresh per RTT. |
80 EXPECT_EQ(rps_.ReceivedSLI(90 * time), true); | 74 EXPECT_EQ(rps_.ReceivedSLI(90 * time), true); |
81 time += 5; | 75 time += 5; |
82 EXPECT_EQ(rps_.ReceivedSLI(90 * time), false); | 76 EXPECT_EQ(rps_.ReceivedSLI(90 * time), false); |
83 time += kRtt - 4; | 77 time += kRtt - 4; |
84 EXPECT_EQ(rps_.ReceivedSLI(90 * time), true); | 78 EXPECT_EQ(rps_.ReceivedSLI(90 * time), true); |
85 // Enough time have elapsed since the previous reference propagation, we will | 79 // Enough time have elapsed since the previous reference propagation, we will |
86 // therefore get both a refresh from golden and a propagation of alt-ref. | 80 // therefore get both a refresh from golden and a propagation of alt-ref. |
87 EXPECT_EQ(rps_.EncodeFlags(5, true, 90 * time), kRefreshFromGolden | | 81 EXPECT_EQ(rps_.EncodeFlags(5, true, 90 * time), |
88 kPropagateAltRef); | 82 kRefreshFromGolden | kPropagateAltRef); |
89 rps_.ReceivedRPSI(5); | 83 rps_.ReceivedRPSI(5); |
90 time += kRtt + 1; | 84 time += kRtt + 1; |
91 // Enough time for a new refresh, but not enough time for a reference | 85 // Enough time for a new refresh, but not enough time for a reference |
92 // propagation. | 86 // propagation. |
93 EXPECT_EQ(rps_.ReceivedSLI(90 * time), true); | 87 EXPECT_EQ(rps_.ReceivedSLI(90 * time), true); |
94 EXPECT_EQ(rps_.EncodeFlags(6, true, 90 * time), kRefreshFromAltRef | | 88 EXPECT_EQ(rps_.EncodeFlags(6, true, 90 * time), |
95 kNoPropagationAltRef); | 89 kRefreshFromAltRef | kNoPropagationAltRef); |
96 } | 90 } |
97 | 91 |
98 TEST_F(TestRPS, TestWrap) { | 92 TEST_F(TestRPS, TestWrap) { |
99 EXPECT_EQ(rps_.ReceivedSLI(0xffffffff), true); | 93 EXPECT_EQ(rps_.ReceivedSLI(0xffffffff), true); |
100 EXPECT_EQ(rps_.ReceivedSLI(1), false); | 94 EXPECT_EQ(rps_.ReceivedSLI(1), false); |
101 EXPECT_EQ(rps_.ReceivedSLI(90 * 100), true); | 95 EXPECT_EQ(rps_.ReceivedSLI(90 * 100), true); |
102 | 96 |
103 EXPECT_EQ(rps_.EncodeFlags(7, false, 0xffffffff), kPropagateAltRef); | 97 EXPECT_EQ(rps_.EncodeFlags(7, false, 0xffffffff), kPropagateAltRef); |
104 EXPECT_EQ(rps_.EncodeFlags(8, false, 1), kNoPropagationGolden); | 98 EXPECT_EQ(rps_.EncodeFlags(8, false, 1), kNoPropagationGolden); |
105 EXPECT_EQ(rps_.EncodeFlags(10, false, 90 * 100), kPropagateAltRef); | 99 EXPECT_EQ(rps_.EncodeFlags(10, false, 90 * 100), kPropagateAltRef); |
106 } | 100 } |
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