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 "third_party/googletest/src/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"
15namespace {
16
17#if CONFIG_VP8_ENCODER
18
19// lookahead range: [kLookAheadMin, kLookAheadMax).
20const int kLookAheadMin = 5;
21const int kLookAheadMax = 26;
22
23class AltRefTest : public ::libvpx_test::EncoderTest,
24                   public ::libvpx_test::CodecTestWithParam<int> {
25 protected:
26  AltRefTest() : EncoderTest(GET_PARAM(0)), altref_count_(0) {}
27  virtual ~AltRefTest() {}
28
29  virtual void SetUp() {
30    InitializeConfig();
31    SetMode(libvpx_test::kTwoPassGood);
32  }
33
34  virtual void BeginPassHook(unsigned int /*pass*/) { altref_count_ = 0; }
35
36  virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
37                                  libvpx_test::Encoder *encoder) {
38    if (video->frame() == 1) {
39      encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
40      encoder->Control(VP8E_SET_CPUUSED, 3);
41    }
42  }
43
44  virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
45    if (pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE) ++altref_count_;
46  }
47
48  int altref_count() const { return altref_count_; }
49
50 private:
51  int altref_count_;
52};
53
54TEST_P(AltRefTest, MonotonicTimestamps) {
55  const vpx_rational timebase = { 33333333, 1000000000 };
56  cfg_.g_timebase = timebase;
57  cfg_.rc_target_bitrate = 1000;
58  cfg_.g_lag_in_frames = GET_PARAM(1);
59
60  libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
61                                     timebase.den, timebase.num, 0, 30);
62  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
63  EXPECT_GE(altref_count(), 1);
64}
65
66VP8_INSTANTIATE_TEST_CASE(AltRefTest,
67                          ::testing::Range(kLookAheadMin, kLookAheadMax));
68
69#endif  // CONFIG_VP8_ENCODER
70
71class AltRefForcedKeyTestLarge
72    : public ::libvpx_test::EncoderTest,
73      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
74 protected:
75  AltRefForcedKeyTestLarge()
76      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
77        cpu_used_(GET_PARAM(2)), forced_kf_frame_num_(1), frame_num_(0) {}
78  virtual ~AltRefForcedKeyTestLarge() {}
79
80  virtual void SetUp() {
81    InitializeConfig();
82    SetMode(encoding_mode_);
83    cfg_.rc_end_usage = VPX_VBR;
84    cfg_.g_threads = 0;
85  }
86
87  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
88                                  ::libvpx_test::Encoder *encoder) {
89    if (video->frame() == 0) {
90      encoder->Control(VP8E_SET_CPUUSED, cpu_used_);
91      encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
92#if CONFIG_VP9_ENCODER
93      // override test default for tile columns if necessary.
94      if (GET_PARAM(0) == &libvpx_test::kVP9) {
95        encoder->Control(VP9E_SET_TILE_COLUMNS, 6);
96      }
97#endif
98    }
99    frame_flags_ =
100        (video->frame() == forced_kf_frame_num_) ? VPX_EFLAG_FORCE_KF : 0;
101  }
102
103  virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
104    if (frame_num_ == forced_kf_frame_num_) {
105      ASSERT_TRUE(!!(pkt->data.frame.flags & VPX_FRAME_IS_KEY))
106          << "Frame #" << frame_num_ << " isn't a keyframe!";
107    }
108    ++frame_num_;
109  }
110
111  ::libvpx_test::TestMode encoding_mode_;
112  int cpu_used_;
113  unsigned int forced_kf_frame_num_;
114  unsigned int frame_num_;
115};
116
117TEST_P(AltRefForcedKeyTestLarge, Frame1IsKey) {
118  const vpx_rational timebase = { 1, 30 };
119  const int lag_values[] = { 3, 15, 25, -1 };
120
121  forced_kf_frame_num_ = 1;
122  for (int i = 0; lag_values[i] != -1; ++i) {
123    frame_num_ = 0;
124    cfg_.g_lag_in_frames = lag_values[i];
125    libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
126                                       timebase.den, timebase.num, 0, 30);
127    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
128  }
129}
130
131TEST_P(AltRefForcedKeyTestLarge, ForcedFrameIsKey) {
132  const vpx_rational timebase = { 1, 30 };
133  const int lag_values[] = { 3, 15, 25, -1 };
134
135  for (int i = 0; lag_values[i] != -1; ++i) {
136    frame_num_ = 0;
137    forced_kf_frame_num_ = lag_values[i] - 1;
138    cfg_.g_lag_in_frames = lag_values[i];
139    libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
140                                       timebase.den, timebase.num, 0, 30);
141    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
142  }
143}
144
145VP8_INSTANTIATE_TEST_CASE(AltRefForcedKeyTestLarge,
146                          ::testing::Values(::libvpx_test::kOnePassGood),
147                          ::testing::Range(0, 9));
148
149VP9_INSTANTIATE_TEST_CASE(AltRefForcedKeyTestLarge,
150                          ::testing::Values(::libvpx_test::kOnePassGood),
151                          ::testing::Range(0, 9));
152}  // namespace
153