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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/test/kf_test.cc | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/third_party/aom/test/kf_test.cc b/third_party/aom/test/kf_test.cc new file mode 100644 index 0000000000..7d8cbfe8c6 --- /dev/null +++ b/third_party/aom/test/kf_test.cc @@ -0,0 +1,401 @@ +/* + * Copyright (c) 2020, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <string.h> + +#include <ostream> + +#include "aom/aom_codec.h" +#include "aom/aom_encoder.h" +#include "aom/aom_image.h" +#include "aom/aomcx.h" +#include "third_party/googletest/src/googletest/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" + +#define NUM_LAG_VALUES 3 + +namespace { +aom_image_t *CreateGrayImage(aom_img_fmt_t fmt, unsigned int w, + unsigned int h) { + aom_image_t *const image = aom_img_alloc(nullptr, fmt, w, h, 1); + if (!image) return image; + + for (unsigned int i = 0; i < image->d_h; ++i) { + memset(image->planes[0] + i * image->stride[0], 128, image->d_w); + } + const unsigned int uv_h = (image->d_h + 1) / 2; + const unsigned int uv_w = (image->d_w + 1) / 2; + for (unsigned int i = 0; i < uv_h; ++i) { + memset(image->planes[1] + i * image->stride[1], 128, uv_w); + memset(image->planes[2] + i * image->stride[2], 128, uv_w); + } + return image; +} + +// Tests kf_max_dist in one-pass encoding with zero lag. +void TestKeyFrameMaximumInterval(unsigned int usage, unsigned int kf_max_dist) { + aom_codec_iface_t *iface = aom_codec_av1_cx(); + aom_codec_enc_cfg_t cfg; + ASSERT_EQ(aom_codec_enc_config_default(iface, &cfg, usage), AOM_CODEC_OK); + cfg.g_w = 320; + cfg.g_h = 240; + cfg.g_pass = AOM_RC_ONE_PASS; + cfg.g_lag_in_frames = 0; + cfg.kf_mode = AOM_KF_AUTO; + cfg.kf_min_dist = 0; + cfg.kf_max_dist = kf_max_dist; + + aom_codec_ctx_t enc; + ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK); + + ASSERT_EQ(aom_codec_control(&enc, AOME_SET_CPUUSED, 6), AOM_CODEC_OK); + + aom_image_t *image = CreateGrayImage(AOM_IMG_FMT_I420, cfg.g_w, cfg.g_h); + ASSERT_NE(image, nullptr); + + // Encode frames. + const aom_codec_cx_pkt_t *pkt; + const unsigned int num_frames = kf_max_dist == 0 ? 4 : 3 * kf_max_dist + 1; + for (unsigned int i = 0; i < num_frames; ++i) { + ASSERT_EQ(aom_codec_encode(&enc, image, i, 1, 0), AOM_CODEC_OK); + aom_codec_iter_t iter = nullptr; + while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) { + ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT); + if (kf_max_dist == 0 || i % kf_max_dist == 0) { + ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY); + } else { + ASSERT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u); + } + } + } + + // Flush the encoder. + bool got_data; + do { + ASSERT_EQ(aom_codec_encode(&enc, nullptr, 0, 1, 0), AOM_CODEC_OK); + got_data = false; + aom_codec_iter_t iter = nullptr; + while ((pkt = aom_codec_get_cx_data(&enc, &iter)) != nullptr) { + ASSERT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT); + got_data = true; + } + } while (got_data); + + aom_img_free(image); + ASSERT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK); +} + +TEST(KeyFrameIntervalTest, KeyFrameMaximumInterval) { + for (unsigned int usage : { AOM_USAGE_GOOD_QUALITY, AOM_USAGE_REALTIME }) { + // Test 0 and 1 (both mean all intra), some powers of 2, some multiples of + // 10, and some prime numbers. + for (unsigned int kf_max_dist : + { 0, 1, 2, 3, 4, 7, 10, 13, 16, 20, 23, 29, 32 }) { + TestKeyFrameMaximumInterval(usage, kf_max_dist); + } + } +} + +typedef struct { + const unsigned int min_kf_dist; + const unsigned int max_kf_dist; +} kfIntervalParam; + +const kfIntervalParam kfTestParams[] = { + { 1, 1 }, { 0, 10 }, { 10, 10 }, { 0, 30 }, { 30, 30 } +}; + +std::ostream &operator<<(std::ostream &os, const kfIntervalParam &test_arg) { + return os << "kfIntervalParam { min_kf_dist:" << test_arg.min_kf_dist + << " max_kf_dist:" << test_arg.max_kf_dist << " }"; +} + +// This class is used to test the presence of forward key frame. +class KeyFrameIntervalTestLarge + : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, + kfIntervalParam, aom_rc_mode>, + public ::libaom_test::EncoderTest { + protected: + KeyFrameIntervalTestLarge() + : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)), + kf_dist_param_(GET_PARAM(2)), end_usage_check_(GET_PARAM(3)) { + kf_dist_ = -1; + is_kf_interval_violated_ = false; + } + ~KeyFrameIntervalTestLarge() override = default; + + void SetUp() override { + InitializeConfig(encoding_mode_); + const aom_rational timebase = { 1, 30 }; + cfg_.g_timebase = timebase; + cfg_.rc_end_usage = end_usage_check_; + cfg_.g_threads = 1; + cfg_.kf_min_dist = kf_dist_param_.min_kf_dist; + cfg_.kf_max_dist = kf_dist_param_.max_kf_dist; + cfg_.g_lag_in_frames = 19; + } + + bool DoDecode() const override { return true; } + + void PreEncodeFrameHook(::libaom_test::VideoSource *video, + ::libaom_test::Encoder *encoder) override { + if (video->frame() == 0) { + encoder->Control(AOME_SET_CPUUSED, 5); + encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1); + } + } + + bool HandleDecodeResult(const aom_codec_err_t res_dec, + libaom_test::Decoder *decoder) override { + EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError(); + if (AOM_CODEC_OK == res_dec) { + aom_codec_ctx_t *ctx_dec = decoder->GetDecoder(); + int frame_flags = 0; + AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_FRAME_FLAGS, + &frame_flags); + if (kf_dist_ != -1) { + kf_dist_++; + if (kf_dist_ > (int)kf_dist_param_.max_kf_dist) { + is_kf_interval_violated_ = true; + } + } + if ((frame_flags & AOM_FRAME_IS_KEY) == AOM_FRAME_IS_KEY) { + if (kf_dist_ != -1 && kf_dist_ < (int)kf_dist_param_.min_kf_dist) { + is_kf_interval_violated_ = true; + } + kf_dist_ = 0; + } + } + return AOM_CODEC_OK == res_dec; + } + + ::libaom_test::TestMode encoding_mode_; + const kfIntervalParam kf_dist_param_; + int kf_dist_; + bool is_kf_interval_violated_; + aom_rc_mode end_usage_check_; +}; + +// Because valgrind builds take a very long time to run, use a lower +// resolution video for valgrind runs. +const char *TestFileName() { +#if AOM_VALGRIND_BUILD + return "hantro_collage_w176h144.yuv"; +#else + return "hantro_collage_w352h288.yuv"; +#endif // AOM_VALGRIND_BUILD +} + +int TestFileWidth() { +#if AOM_VALGRIND_BUILD + return 176; +#else + return 352; +#endif // AOM_VALGRIND_BUILD +} + +int TestFileHeight() { +#if AOM_VALGRIND_BUILD + return 144; +#else + return 288; +#endif // AOM_VALGRIND_BUILD +} + +TEST_P(KeyFrameIntervalTestLarge, KeyFrameIntervalTest) { + libaom_test::I420VideoSource video(TestFileName(), TestFileWidth(), + TestFileHeight(), cfg_.g_timebase.den, + cfg_.g_timebase.num, 0, 75); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_EQ(is_kf_interval_violated_, false) << kf_dist_param_; +} + +// This class tests for presence and placement of application forced key frames. +class ForcedKeyTestLarge + : public ::libaom_test::CodecTestWith5Params<libaom_test::TestMode, int, + int, int, aom_rc_mode>, + public ::libaom_test::EncoderTest { + protected: + ForcedKeyTestLarge() + : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)), + auto_alt_ref_(GET_PARAM(2)), fwd_kf_enabled_(GET_PARAM(3)), + cpu_used_(GET_PARAM(4)), rc_end_usage_(GET_PARAM(5)) { + forced_kf_frame_num_ = 1; + frame_num_ = 0; + is_kf_placement_violated_ = false; + } + ~ForcedKeyTestLarge() override = default; + + void SetUp() override { + InitializeConfig(encoding_mode_); + cfg_.rc_end_usage = rc_end_usage_; + cfg_.g_threads = 0; + cfg_.kf_max_dist = 30; + cfg_.kf_min_dist = 0; + cfg_.fwd_kf_enabled = fwd_kf_enabled_; + } + + void PreEncodeFrameHook(::libaom_test::VideoSource *video, + ::libaom_test::Encoder *encoder) override { + if (video->frame() == 0) { + encoder->Control(AOME_SET_CPUUSED, cpu_used_); + encoder->Control(AOME_SET_ENABLEAUTOALTREF, auto_alt_ref_); +#if CONFIG_AV1_ENCODER + // override test default for tile columns if necessary. + if (GET_PARAM(0) == &libaom_test::kAV1) { + encoder->Control(AV1E_SET_TILE_COLUMNS, 6); + } +#endif + } + frame_flags_ = + ((int)video->frame() == forced_kf_frame_num_) ? AOM_EFLAG_FORCE_KF : 0; + } + + bool HandleDecodeResult(const aom_codec_err_t res_dec, + libaom_test::Decoder *decoder) override { + EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError(); + if (AOM_CODEC_OK == res_dec) { + if ((int)frame_num_ == forced_kf_frame_num_) { + aom_codec_ctx_t *ctx_dec = decoder->GetDecoder(); + int frame_flags = 0; + AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_FRAME_FLAGS, + &frame_flags); + if ((frame_flags & AOM_FRAME_IS_KEY) != AOM_FRAME_IS_KEY) { + is_kf_placement_violated_ = true; + } + } + ++frame_num_; + } + return AOM_CODEC_OK == res_dec; + } + + void Frame1IsKey(); + void ForcedFrameIsKey(); + void ForcedFrameIsKeyCornerCases(); + + ::libaom_test::TestMode encoding_mode_; + int auto_alt_ref_; + int fwd_kf_enabled_; + int cpu_used_; + aom_rc_mode rc_end_usage_; + int forced_kf_frame_num_; + unsigned int frame_num_; + bool is_kf_placement_violated_; +}; + +void ForcedKeyTestLarge::Frame1IsKey() { + const aom_rational timebase = { 1, 30 }; + // 1st element of this 2D array is for good encoding mode and 2nd element + // is for RT encoding mode. + const int lag_values[2][NUM_LAG_VALUES] = { { 3, 15, 25 }, { 0, -1, -1 } }; + int is_realtime = (encoding_mode_ == ::libaom_test::kRealTime); + + forced_kf_frame_num_ = 1; + for (int i = 0; i < NUM_LAG_VALUES; ++i) { + if (lag_values[is_realtime][i] == -1) continue; + frame_num_ = 0; + cfg_.g_lag_in_frames = lag_values[is_realtime][i]; + is_kf_placement_violated_ = false; + libaom_test::I420VideoSource video( + TestFileName(), TestFileWidth(), TestFileHeight(), timebase.den, + timebase.num, 0, fwd_kf_enabled_ ? 60 : 30); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_EQ(is_kf_placement_violated_, false) + << "Frame #" << frame_num_ << " isn't a keyframe!"; + } +} + +// This class checks the presence and placement of application +// forced key frames. +void ForcedKeyTestLarge::ForcedFrameIsKey() { + const aom_rational timebase = { 1, 30 }; + const int lag_values[] = { 3, 15, 25, -1 }; + + for (int i = 0; lag_values[i] != -1; ++i) { + frame_num_ = 0; + forced_kf_frame_num_ = lag_values[i] - 1; + cfg_.g_lag_in_frames = lag_values[i]; + is_kf_placement_violated_ = false; + libaom_test::I420VideoSource video( + TestFileName(), TestFileWidth(), TestFileHeight(), timebase.den, + timebase.num, 0, fwd_kf_enabled_ ? 60 : 30); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_EQ(is_kf_placement_violated_, false) + << "Frame #" << frame_num_ << " isn't a keyframe!"; + + // Two pass and single pass CBR are currently segfaulting for the case when + // forced kf is placed after lag in frames. + // TODO(anyone): Enable(uncomment) below test once above bug is fixed. + // frame_num_ = 0; + // forced_kf_frame_num_ = lag_values[i] + 1; + // cfg_.g_lag_in_frames = lag_values[i]; + // is_kf_placement_violated_ = false; + // ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + // ASSERT_EQ(is_kf_placement_violated_, false) + // << "Frame #" << frame_num_ << " isn't a keyframe!"; + } +} + +void ForcedKeyTestLarge::ForcedFrameIsKeyCornerCases() { + const aom_rational timebase = { 1, 30 }; + const int kf_offsets[] = { -2, -1, 1, 2, 0 }; + cfg_.g_lag_in_frames = 35; + if (encoding_mode_ == ::libaom_test::kRealTime) cfg_.g_lag_in_frames = 0; + + for (int i = 0; kf_offsets[i] != 0; ++i) { + frame_num_ = 0; + forced_kf_frame_num_ = (int)cfg_.kf_max_dist + kf_offsets[i]; + forced_kf_frame_num_ = forced_kf_frame_num_ > 0 ? forced_kf_frame_num_ : 1; + is_kf_placement_violated_ = false; + libaom_test::I420VideoSource video( + TestFileName(), TestFileWidth(), TestFileHeight(), timebase.den, + timebase.num, 0, fwd_kf_enabled_ ? 60 : 30); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + ASSERT_EQ(is_kf_placement_violated_, false) + << "Frame #" << frame_num_ << " isn't a keyframe!"; + } +} + +AV1_INSTANTIATE_TEST_SUITE(KeyFrameIntervalTestLarge, + testing::Values(::libaom_test::kOnePassGood, + ::libaom_test::kTwoPassGood), + ::testing::ValuesIn(kfTestParams), + ::testing::Values(AOM_Q, AOM_VBR, AOM_CBR, AOM_CQ)); + +TEST_P(ForcedKeyTestLarge, Frame1IsKey) { Frame1IsKey(); } +TEST_P(ForcedKeyTestLarge, ForcedFrameIsKey) { ForcedFrameIsKey(); } +TEST_P(ForcedKeyTestLarge, ForcedFrameIsKeyCornerCases) { + ForcedFrameIsKeyCornerCases(); +} + +class ForcedKeyRTTestLarge : public ForcedKeyTestLarge {}; + +TEST_P(ForcedKeyRTTestLarge, Frame1IsKey) { Frame1IsKey(); } +TEST_P(ForcedKeyRTTestLarge, ForcedFrameIsKeyCornerCases) { + ForcedFrameIsKeyCornerCases(); +} +// TODO(anyone): Add CBR to list of rc_modes once forced kf placement after +// lag in frames bug is fixed. +AV1_INSTANTIATE_TEST_SUITE(ForcedKeyTestLarge, + ::testing::Values(::libaom_test::kOnePassGood, + ::libaom_test::kTwoPassGood), + ::testing::Values(0, 1), ::testing::Values(0, 1), + ::testing::Values(2, 5), + ::testing::Values(AOM_Q, AOM_VBR, AOM_CQ)); +AV1_INSTANTIATE_TEST_SUITE(ForcedKeyRTTestLarge, + ::testing::Values(::libaom_test::kRealTime), + ::testing::Values(0), ::testing::Values(0), + ::testing::Values(7, 9), + ::testing::Values(AOM_Q, AOM_VBR, AOM_CBR)); +} // namespace |