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Diffstat (limited to 'test/keyframe_test.cc')
| -rw-r--r-- | test/keyframe_test.cc | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/test/keyframe_test.cc b/test/keyframe_test.cc new file mode 100644 index 000000000..a13dec9ce --- /dev/null +++ b/test/keyframe_test.cc @@ -0,0 +1,149 @@ +/* + * 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() == 0) { + 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_SUITE(KeyframeTest, ALL_TEST_MODES); +} // namespace |