1 /*
2 * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
3 *
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
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10 #include "gtest/gtest.h"
11 #include "test/codec_factory.h"
12 #include "test/encode_test_driver.h"
13 #include "test/i420_video_source.h"
14 #include "test/util.h"
15 #include "vpx_config.h"
16 namespace {
17
18 #if CONFIG_VP8_ENCODER
19
20 // lookahead range: [kLookAheadMin, kLookAheadMax).
21 const int kLookAheadMin = 5;
22 const int kLookAheadMax = 26;
23
24 class AltRefTest : public ::libvpx_test::EncoderTest,
25 public ::libvpx_test::CodecTestWithParam<int> {
26 protected:
AltRefTest()27 AltRefTest() : EncoderTest(GET_PARAM(0)), altref_count_(0) {}
28 ~AltRefTest() override = default;
29
SetUp()30 void SetUp() override {
31 InitializeConfig();
32 SetMode(libvpx_test::kTwoPassGood);
33 }
34
BeginPassHook(unsigned int)35 void BeginPassHook(unsigned int /*pass*/) override { altref_count_ = 0; }
36
PreEncodeFrameHook(libvpx_test::VideoSource * video,libvpx_test::Encoder * encoder)37 void PreEncodeFrameHook(libvpx_test::VideoSource *video,
38 libvpx_test::Encoder *encoder) override {
39 if (video->frame() == 0) {
40 encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
41 encoder->Control(VP8E_SET_CPUUSED, 3);
42 }
43 }
44
FramePktHook(const vpx_codec_cx_pkt_t * pkt)45 void FramePktHook(const vpx_codec_cx_pkt_t *pkt) override {
46 if (pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE) ++altref_count_;
47 }
48
altref_count() const49 int altref_count() const { return altref_count_; }
50
51 private:
52 int altref_count_;
53 };
54
TEST_P(AltRefTest,MonotonicTimestamps)55 TEST_P(AltRefTest, MonotonicTimestamps) {
56 const vpx_rational timebase = { 33333333, 1000000000 };
57 cfg_.g_timebase = timebase;
58 cfg_.rc_target_bitrate = 1000;
59 cfg_.g_lag_in_frames = GET_PARAM(1);
60
61 libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
62 timebase.den, timebase.num, 0, 30);
63 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
64 EXPECT_GE(altref_count(), 1);
65 }
66
67 VP8_INSTANTIATE_TEST_SUITE(AltRefTest,
68 ::testing::Range(kLookAheadMin, kLookAheadMax));
69
70 #endif // CONFIG_VP8_ENCODER
71
72 class AltRefForcedKeyTestLarge
73 : public ::libvpx_test::EncoderTest,
74 public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
75 protected:
AltRefForcedKeyTestLarge()76 AltRefForcedKeyTestLarge()
77 : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
78 cpu_used_(GET_PARAM(2)), forced_kf_frame_num_(1), frame_num_(0) {}
79 ~AltRefForcedKeyTestLarge() override = default;
80
SetUp()81 void SetUp() override {
82 InitializeConfig();
83 SetMode(encoding_mode_);
84 cfg_.rc_end_usage = VPX_VBR;
85 cfg_.g_threads = 0;
86 }
87
PreEncodeFrameHook(::libvpx_test::VideoSource * video,::libvpx_test::Encoder * encoder)88 void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
89 ::libvpx_test::Encoder *encoder) override {
90 if (video->frame() == 0) {
91 encoder->Control(VP8E_SET_CPUUSED, cpu_used_);
92 encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
93 #if CONFIG_VP9_ENCODER
94 // override test default for tile columns if necessary.
95 if (GET_PARAM(0) == &libvpx_test::kVP9) {
96 encoder->Control(VP9E_SET_TILE_COLUMNS, 6);
97 }
98 #endif
99 }
100 frame_flags_ =
101 (video->frame() == forced_kf_frame_num_) ? VPX_EFLAG_FORCE_KF : 0;
102 }
103
FramePktHook(const vpx_codec_cx_pkt_t * pkt)104 void FramePktHook(const vpx_codec_cx_pkt_t *pkt) override {
105 if (frame_num_ == forced_kf_frame_num_) {
106 ASSERT_TRUE(!!(pkt->data.frame.flags & VPX_FRAME_IS_KEY))
107 << "Frame #" << frame_num_ << " isn't a keyframe!";
108 }
109 ++frame_num_;
110 }
111
112 ::libvpx_test::TestMode encoding_mode_;
113 int cpu_used_;
114 unsigned int forced_kf_frame_num_;
115 unsigned int frame_num_;
116 };
117
TEST_P(AltRefForcedKeyTestLarge,Frame1IsKey)118 TEST_P(AltRefForcedKeyTestLarge, Frame1IsKey) {
119 const vpx_rational timebase = { 1, 30 };
120 const int lag_values[] = { 3, 15, 25, -1 };
121
122 forced_kf_frame_num_ = 1;
123 for (int i = 0; lag_values[i] != -1; ++i) {
124 frame_num_ = 0;
125 cfg_.g_lag_in_frames = lag_values[i];
126 libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
127 timebase.den, timebase.num, 0, 30);
128 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
129 }
130 }
131
TEST_P(AltRefForcedKeyTestLarge,ForcedFrameIsKey)132 TEST_P(AltRefForcedKeyTestLarge, ForcedFrameIsKey) {
133 const vpx_rational timebase = { 1, 30 };
134 const int lag_values[] = { 3, 15, 25, -1 };
135
136 for (int i = 0; lag_values[i] != -1; ++i) {
137 frame_num_ = 0;
138 forced_kf_frame_num_ = lag_values[i] - 1;
139 cfg_.g_lag_in_frames = lag_values[i];
140 libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
141 timebase.den, timebase.num, 0, 30);
142 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
143 }
144 }
145
146 VP8_INSTANTIATE_TEST_SUITE(AltRefForcedKeyTestLarge,
147 ::testing::Values(::libvpx_test::kOnePassGood),
148 ::testing::Range(0, 9));
149
150 VP9_INSTANTIATE_TEST_SUITE(AltRefForcedKeyTestLarge,
151 ::testing::Values(::libvpx_test::kOnePassGood),
152 ::testing::Range(0, 9));
153 } // namespace
154