104 строки
3.0 KiB
C++
104 строки
3.0 KiB
C++
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/*
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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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class KeyframeTest : public ::libvpx_test::EncoderTest,
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public ::testing::TestWithParam<enum libvpx_test::TestMode> {
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protected:
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virtual void SetUp() {
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InitializeConfig();
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SetMode(GetParam());
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kf_count_ = 0;
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kf_count_max_ = INT_MAX;
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kf_do_force_kf_ = false;
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}
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virtual bool Continue() {
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return !HasFatalFailure() && !abort_;
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}
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virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video) {
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if (kf_do_force_kf_)
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flags_ = (video->frame() % 3) ? 0 : VPX_EFLAG_FORCE_KF;
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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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kf_pts_list_.push_back(pkt->data.frame.pts);
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kf_count_++;
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abort_ |= kf_count_ > kf_count_max_;
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}
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}
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bool kf_do_force_kf_;
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int kf_count_;
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int kf_count_max_;
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std::vector< vpx_codec_pts_t > kf_pts_list_;
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};
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TEST_P(KeyframeTest, TestRandomVideoSource) {
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// Validate that encoding the RandomVideoSource produces multiple keyframes.
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// This validates the results of the TestDisableKeyframes test.
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kf_count_max_ = 2; // early exit successful tests.
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::libvpx_test::RandomVideoSource video;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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EXPECT_GT(kf_count_, 1);
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}
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TEST_P(KeyframeTest, TestDisableKeyframes) {
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cfg_.kf_mode = VPX_KF_DISABLED;
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kf_count_max_ = 1; // early exit failed tests.
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::libvpx_test::RandomVideoSource video;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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EXPECT_EQ(1, kf_count_);
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}
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TEST_P(KeyframeTest, TestForceKeyframe) {
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cfg_.kf_mode = VPX_KF_DISABLED;
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kf_do_force_kf_ = true;
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::libvpx_test::DummyVideoSource video;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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// verify that every third frame is a keyframe.
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for (std::vector<vpx_codec_pts_t>::iterator iter = kf_pts_list_.begin();
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iter != kf_pts_list_.end();
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++iter) {
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ASSERT_EQ(0, *iter % 3) << "Unexpected keyframe at frame " << *iter;
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}
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}
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TEST_P(KeyframeTest, TestKeyframeMaxDistance) {
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cfg_.kf_max_dist = 25;
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::libvpx_test::DummyVideoSource video;
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ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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// verify that keyframe interval matches kf_max_dist
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for (std::vector<vpx_codec_pts_t>::iterator iter = kf_pts_list_.begin();
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iter != kf_pts_list_.end();
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iter++) {
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ASSERT_EQ(0, *iter % 25) << "Unexpected keyframe at frame " << *iter;
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}
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}
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INSTANTIATE_TEST_CASE_P(AllModes, KeyframeTest, ALL_TEST_MODES);
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} // namespace
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