2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
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.
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"
20 const int kMaxPsnr = 100;
22 class LosslessTestLarge : public ::libvpx_test::EncoderTest,
23 public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
26 : EncoderTest(GET_PARAM(0)),
29 encoding_mode_(GET_PARAM(1)) {
32 virtual ~LosslessTestLarge() {}
34 virtual void SetUp() {
36 SetMode(encoding_mode_);
39 virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
40 ::libvpx_test::Encoder *encoder) {
41 if (video->frame() == 1) {
42 // Only call Control if quantizer > 0 to verify that using quantizer
43 // alone will activate lossless
44 if (cfg_.rc_max_quantizer > 0 || cfg_.rc_min_quantizer > 0) {
45 encoder->Control(VP9E_SET_LOSSLESS, 1);
50 virtual void BeginPassHook(unsigned int /*pass*/) {
55 virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
56 if (pkt->data.psnr.psnr[0] < psnr_)
57 psnr_= pkt->data.psnr.psnr[0];
60 double GetMinPsnr() const {
66 unsigned int nframes_;
67 libvpx_test::TestMode encoding_mode_;
70 TEST_P(LosslessTestLarge, TestLossLessEncoding) {
71 const vpx_rational timebase = { 33333333, 1000000000 };
72 cfg_.g_timebase = timebase;
73 cfg_.rc_target_bitrate = 2000;
74 cfg_.g_lag_in_frames = 25;
75 cfg_.rc_min_quantizer = 0;
76 cfg_.rc_max_quantizer = 0;
78 init_flags_ = VPX_CODEC_USE_PSNR;
80 // intentionally changed the dimension for better testing coverage
81 libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
82 timebase.den, timebase.num, 0, 10);
83 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
84 const double psnr_lossless = GetMinPsnr();
85 EXPECT_GE(psnr_lossless, kMaxPsnr);
88 TEST_P(LosslessTestLarge, TestLossLessEncoding444) {
89 libvpx_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 10);
92 cfg_.g_timebase = video.timebase();
93 cfg_.rc_target_bitrate = 2000;
94 cfg_.g_lag_in_frames = 25;
95 cfg_.rc_min_quantizer = 0;
96 cfg_.rc_max_quantizer = 0;
98 init_flags_ = VPX_CODEC_USE_PSNR;
100 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
101 const double psnr_lossless = GetMinPsnr();
102 EXPECT_GE(psnr_lossless, kMaxPsnr);
105 TEST_P(LosslessTestLarge, TestLossLessEncodingCtrl) {
106 const vpx_rational timebase = { 33333333, 1000000000 };
107 cfg_.g_timebase = timebase;
108 cfg_.rc_target_bitrate = 2000;
109 cfg_.g_lag_in_frames = 25;
110 // Intentionally set Q > 0, to make sure control can be used to activate
112 cfg_.rc_min_quantizer = 10;
113 cfg_.rc_max_quantizer = 20;
115 init_flags_ = VPX_CODEC_USE_PSNR;
117 libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
118 timebase.den, timebase.num, 0, 10);
119 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
120 const double psnr_lossless = GetMinPsnr();
121 EXPECT_GE(psnr_lossless, kMaxPsnr);
124 VP9_INSTANTIATE_TEST_CASE(LosslessTestLarge, ALL_TEST_MODES);