ref: 5e39a8c16fb514fc9d876d0927b21d78d62f6032
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 "test/encode_test_driver.h" #include "test/video_source.h" #include "third_party/googletest/src/include/gtest/gtest.h" namespace { class KeyframeTest : public ::libvpx_test::EncoderTest, public ::testing::TestWithParam<enum libvpx_test::TestMode> { protected: virtual void SetUp() { InitializeConfig(); SetMode(GetParam()); kf_count_ = 0; kf_count_max_ = INT_MAX; kf_do_force_kf_ = false; } virtual bool Continue() { return !HasFatalFailure() && !abort_; } virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video) { if (kf_do_force_kf_) flags_ = (video->frame() % 3) ? 0 : VPX_EFLAG_FORCE_KF; } 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_; }; 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)); 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>::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>::iterator iter = kf_pts_list_.begin(); iter != kf_pts_list_.end(); iter++) { ASSERT_EQ(0, *iter % 25) << "Unexpected keyframe at frame " << *iter; } } INSTANTIATE_TEST_CASE_P(AllModes, KeyframeTest, ALL_TEST_MODES); } // namespace