ref: 11bf7ea354cb69755e1f0e1a71351b166ae30677
dir: /test/keyframe_test.cc/
/* * Copyright (c) 2012 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include <climits> #include <vector> #include "third_party/googletest/src/include/gtest/gtest.h" #include "test/codec_factory.h" #include "test/encode_test_driver.h" #include "test/i420_video_source.h" #include "test/util.h" namespace { class KeyframeTest : public ::libvpx_test::EncoderTest, public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> { protected: KeyframeTest() : EncoderTest(GET_PARAM(0)) {} virtual ~KeyframeTest() {} virtual void SetUp() { InitializeConfig(); SetMode(GET_PARAM(1)); kf_count_ = 0; kf_count_max_ = INT_MAX; kf_do_force_kf_ = false; set_cpu_used_ = 0; } virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video, ::libvpx_test::Encoder *encoder) { if (kf_do_force_kf_) frame_flags_ = (video->frame() % 3) ? 0 : VPX_EFLAG_FORCE_KF; if (set_cpu_used_ && video->frame() == 1) encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_); } virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) { if (pkt->data.frame.flags & VPX_FRAME_IS_KEY) { kf_pts_list_.push_back(pkt->data.frame.pts); kf_count_++; abort_ |= kf_count_ > kf_count_max_; } } bool kf_do_force_kf_; int kf_count_; int kf_count_max_; std::vector<vpx_codec_pts_t> kf_pts_list_; int set_cpu_used_; }; TEST_P(KeyframeTest, TestRandomVideoSource) { // Validate that encoding the RandomVideoSource produces multiple keyframes. // This validates the results of the TestDisableKeyframes test. kf_count_max_ = 2; // early exit successful tests. ::libvpx_test::RandomVideoSource video; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); // In realtime mode - auto placed keyframes are exceedingly rare, don't // bother with this check if(GetParam() > 0) if (GET_PARAM(1) > 0) EXPECT_GT(kf_count_, 1); } TEST_P(KeyframeTest, TestDisableKeyframes) { cfg_.kf_mode = VPX_KF_DISABLED; kf_count_max_ = 1; // early exit failed tests. ::libvpx_test::RandomVideoSource video; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); EXPECT_EQ(1, kf_count_); } TEST_P(KeyframeTest, TestForceKeyframe) { cfg_.kf_mode = VPX_KF_DISABLED; kf_do_force_kf_ = true; ::libvpx_test::DummyVideoSource video; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); // verify that every third frame is a keyframe. for (std::vector<vpx_codec_pts_t>::const_iterator iter = kf_pts_list_.begin(); iter != kf_pts_list_.end(); ++iter) { ASSERT_EQ(0, *iter % 3) << "Unexpected keyframe at frame " << *iter; } } TEST_P(KeyframeTest, TestKeyframeMaxDistance) { cfg_.kf_max_dist = 25; ::libvpx_test::DummyVideoSource video; ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); // verify that keyframe interval matches kf_max_dist for (std::vector<vpx_codec_pts_t>::const_iterator iter = kf_pts_list_.begin(); iter != kf_pts_list_.end(); ++iter) { ASSERT_EQ(0, *iter % 25) << "Unexpected keyframe at frame " << *iter; } } TEST_P(KeyframeTest, TestAutoKeyframe) { cfg_.kf_mode = VPX_KF_AUTO; kf_do_force_kf_ = false; // Force a deterministic speed step in Real Time mode, as the faster modes // may not produce a keyframe like we expect. This is necessary when running // on very slow environments (like Valgrind). The step -11 was determined // experimentally as the fastest mode that still throws the keyframe. if (deadline_ == VPX_DL_REALTIME) set_cpu_used_ = -11; // This clip has a cut scene every 30 frames -> Frame 0, 30, 60, 90, 120. // I check only the first 40 frames to make sure there's a keyframe at frame // 0 and 30. ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 30, 1, 0, 40); ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); // In realtime mode - auto placed keyframes are exceedingly rare, don't // bother with this check if (GET_PARAM(1) > 0) EXPECT_EQ(2u, kf_pts_list_.size()) << " Not the right number of keyframes "; // Verify that keyframes match the file keyframes in the file. for (std::vector<vpx_codec_pts_t>::const_iterator iter = kf_pts_list_.begin(); iter != kf_pts_list_.end(); ++iter) { if (deadline_ == VPX_DL_REALTIME && *iter > 0) EXPECT_EQ(0, (*iter - 1) % 30) << "Unexpected keyframe at frame " << *iter; else EXPECT_EQ(0, *iter % 30) << "Unexpected keyframe at frame " << *iter; } } VP8_INSTANTIATE_TEST_CASE(KeyframeTest, ALL_TEST_MODES); } // namespace