vp9_lossless_test.cc revision a72801d7d92ababb50eecf27a36bd222d031d2fe 
1/*
2 *  Copyright (c) 2013 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 "./vpx_config.h"
11#include "third_party/googletest/src/include/gtest/gtest.h"
12#include "test/codec_factory.h"
13#include "test/encode_test_driver.h"
14#include "test/i420_video_source.h"
15#include "test/util.h"
16#include "test/y4m_video_source.h"
17
18namespace {
19
20const int kMaxPsnr = 100;
21
22class LosslessTestLarge : public ::libvpx_test::EncoderTest,
23    public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
24 protected:
25  LosslessTestLarge()
26      : EncoderTest(GET_PARAM(0)),
27        psnr_(kMaxPsnr),
28        nframes_(0),
29        encoding_mode_(GET_PARAM(1)) {
30  }
31
32  virtual ~LosslessTestLarge() {}
33
34  virtual void SetUp() {
35    InitializeConfig();
36    SetMode(encoding_mode_);
37  }
38
39  virtual void BeginPassHook(unsigned int /*pass*/) {
40    psnr_ = kMaxPsnr;
41    nframes_ = 0;
42  }
43
44  virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
45    if (pkt->data.psnr.psnr[0] < psnr_)
46      psnr_= pkt->data.psnr.psnr[0];
47  }
48
49  double GetMinPsnr() const {
50      return psnr_;
51  }
52
53 private:
54  double psnr_;
55  unsigned int nframes_;
56  libvpx_test::TestMode encoding_mode_;
57};
58
59TEST_P(LosslessTestLarge, TestLossLessEncoding) {
60  const vpx_rational timebase = { 33333333, 1000000000 };
61  cfg_.g_timebase = timebase;
62  cfg_.rc_target_bitrate = 2000;
63  cfg_.g_lag_in_frames = 25;
64  cfg_.rc_min_quantizer = 0;
65  cfg_.rc_max_quantizer = 0;
66
67  init_flags_ = VPX_CODEC_USE_PSNR;
68
69  // intentionally changed the dimension for better testing coverage
70  libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
71                                     timebase.den, timebase.num, 0, 10);
72  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
73  const double psnr_lossless = GetMinPsnr();
74  EXPECT_GE(psnr_lossless, kMaxPsnr);
75}
76
77TEST_P(LosslessTestLarge, TestLossLessEncoding444) {
78  libvpx_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 10);
79
80  cfg_.g_profile = 1;
81  cfg_.g_timebase = video.timebase();
82  cfg_.rc_target_bitrate = 2000;
83  cfg_.g_lag_in_frames = 25;
84  cfg_.rc_min_quantizer = 0;
85  cfg_.rc_max_quantizer = 0;
86
87  init_flags_ = VPX_CODEC_USE_PSNR;
88
89  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
90  const double psnr_lossless = GetMinPsnr();
91  EXPECT_GE(psnr_lossless, kMaxPsnr);
92}
93
94VP9_INSTANTIATE_TEST_CASE(LosslessTestLarge, ALL_TEST_MODES);
95}  // namespace
96