152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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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 <climits>
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#include <vector>
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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/video_source.h"
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#include "test/util.h"
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namespace {
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const unsigned int kInitialWidth = 320;
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const unsigned int kInitialHeight = 240;
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unsigned int ScaleForFrameNumber(unsigned int frame, unsigned int val) {
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if (frame < 10)
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return val;
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if (frame < 20)
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return val / 2;
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if (frame < 30)
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return val * 2 / 3;
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if (frame < 40)
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return val / 4;
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if (frame < 50)
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return val * 7 / 8;
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return val;
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}
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class ResizingVideoSource : public ::libvpx_test::DummyVideoSource {
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public:
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ResizingVideoSource() {
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SetSize(kInitialWidth, kInitialHeight);
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limit_ = 60;
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}
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protected:
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virtual void Next() {
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++frame_;
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SetSize(ScaleForFrameNumber(frame_, kInitialWidth),
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ScaleForFrameNumber(frame_, kInitialHeight));
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FillFrame();
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}
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};
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class ResizeTest : public ::libvpx_test::EncoderTest,
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public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
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protected:
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ResizeTest() : EncoderTest(GET_PARAM(0)) {}
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struct FrameInfo {
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FrameInfo(vpx_codec_pts_t _pts, unsigned int _w, unsigned int _h)
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: pts(_pts), w(_w), h(_h) {}
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vpx_codec_pts_t pts;
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unsigned int w;
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unsigned int h;
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};
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virtual void SetUp() {
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InitializeConfig();
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SetMode(GET_PARAM(1));
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}
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virtual bool Continue() const {
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return !HasFatalFailure() && !abort_;
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}
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virtual void DecompressedFrameHook(const vpx_image_t &img,
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vpx_codec_pts_t pts) {
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frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
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}
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std::vector< FrameInfo > frame_info_list_;
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};
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TEST_P(ResizeTest, TestExternalResizeWorks) {
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ResizingVideoSource video;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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for (std::vector<FrameInfo>::iterator info = frame_info_list_.begin();
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info != frame_info_list_.end(); ++info) {
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const vpx_codec_pts_t pts = info->pts;
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const unsigned int expected_w = ScaleForFrameNumber(pts, kInitialWidth);
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const unsigned int expected_h = ScaleForFrameNumber(pts, kInitialHeight);
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EXPECT_EQ(expected_w, info->w)
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<< "Frame " << pts << "had unexpected width";
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EXPECT_EQ(expected_h, info->h)
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<< "Frame " << pts << "had unexpected height";
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}
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}
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class ResizeInternalTest : public ResizeTest {
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protected:
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ResizeInternalTest() : ResizeTest(), frame0_psnr_(0.0) {}
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virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
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libvpx_test::Encoder *encoder) {
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if (video->frame() == 3) {
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struct vpx_scaling_mode mode = {VP8E_FOURFIVE, VP8E_THREEFIVE};
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encoder->Control(VP8E_SET_SCALEMODE, &mode);
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}
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if (video->frame() == 6) {
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struct vpx_scaling_mode mode = {VP8E_NORMAL, VP8E_NORMAL};
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encoder->Control(VP8E_SET_SCALEMODE, &mode);
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}
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}
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virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
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if (!frame0_psnr_)
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frame0_psnr_ = pkt->data.psnr.psnr[0];
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EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 1.0);
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}
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double frame0_psnr_;
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};
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TEST_P(ResizeInternalTest, TestInternalResizeWorks) {
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::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
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30, 1, 0, 10);
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init_flags_ = VPX_CODEC_USE_PSNR;
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// q picked such that initial keyframe on this clip is ~30dB PSNR
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cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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for (std::vector<FrameInfo>::iterator info = frame_info_list_.begin();
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info != frame_info_list_.end(); ++info) {
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const vpx_codec_pts_t pts = info->pts;
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if (pts >= 3 && pts < 6) {
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ASSERT_EQ(282U, info->w) << "Frame " << pts << " had unexpected width";
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ASSERT_EQ(173U, info->h) << "Frame " << pts << " had unexpected height";
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} else {
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EXPECT_EQ(352U, info->w) << "Frame " << pts << " had unexpected width";
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EXPECT_EQ(288U, info->h) << "Frame " << pts << " had unexpected height";
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}
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}
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}
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VP8_INSTANTIATE_TEST_CASE(ResizeTest, ONE_PASS_TEST_MODES);
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VP9_INSTANTIATE_TEST_CASE(ResizeInternalTest,
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::testing::Values(::libvpx_test::kOnePassBest));
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} // namespace
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