105 строки
2.9 KiB
C++
105 строки
2.9 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 "test/encode_test_driver.h"
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#include "test/video_source.h"
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#include "third_party/googletest/src/include/gtest/gtest.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 ::testing::TestWithParam<enum libvpx_test::TestMode> {
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protected:
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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(GetParam());
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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 FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
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if (pkt->data.frame.flags & VPX_FRAME_IS_KEY) {
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const unsigned char *buf =
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reinterpret_cast<const unsigned char *>(pkt->data.frame.buf);
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const unsigned int w = (buf[6] | (buf[7] << 8)) & 0x3fff;
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const unsigned int h = (buf[8] | (buf[9] << 8)) & 0x3fff;
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frame_info_list_.push_back(FrameInfo(pkt->data.frame.pts, w, h));
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}
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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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INSTANTIATE_TEST_CASE_P(OnePass, ResizeTest, ONE_PASS_TEST_MODES);
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} // namespace
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