76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
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/*
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Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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Use of this source code is governed by a BSD-style license
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that can be found in the LICENSE file in the root of the source
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tree. An additional intellectual property rights grant can be found
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in the file PATENTS. All contributing project authors may
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be found in the AUTHORS file in the root of the source tree.
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*/
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/codec_factory.h"
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#include "test/encode_test_driver.h"
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#include "test/i420_video_source.h"
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#include "test/util.h"
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namespace {
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const int kMaxPsnr = 100;
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class LossLessTest : public ::libvpx_test::EncoderTest,
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public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
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protected:
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LossLessTest() : EncoderTest(GET_PARAM(0)),
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psnr_(kMaxPsnr),
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nframes_(0),
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encoding_mode_(GET_PARAM(1)) {
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}
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virtual ~LossLessTest() {}
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virtual void SetUp() {
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InitializeConfig();
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SetMode(encoding_mode_);
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}
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virtual void BeginPassHook(unsigned int /*pass*/) {
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psnr_ = 0.0;
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nframes_ = 0;
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}
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virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
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if (pkt->data.psnr.psnr[0] < psnr_)
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psnr_= pkt->data.psnr.psnr[0];
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}
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double GetMinPsnr() const {
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return psnr_;
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}
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private:
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double psnr_;
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unsigned int nframes_;
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libvpx_test::TestMode encoding_mode_;
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};
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TEST_P(LossLessTest, TestLossLessEncoding) {
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const vpx_rational timebase = { 33333333, 1000000000 };
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cfg_.g_timebase = timebase;
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cfg_.rc_target_bitrate = 2000;
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cfg_.g_lag_in_frames = 25;
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cfg_.rc_min_quantizer = 0;
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cfg_.rc_max_quantizer = 0;
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init_flags_ = VPX_CODEC_USE_PSNR;
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// intentionally changed the dimension for better testing coverage
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libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 356, 284,
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timebase.den, timebase.num, 0, 30);
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const double psnr_lossless = GetMinPsnr();
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EXPECT_GE(psnr_lossless, kMaxPsnr);
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}
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VP9_INSTANTIATE_TEST_CASE(LossLessTest, ALL_TEST_MODES);
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} // namespace
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