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-rw-r--r-- | third_party/aom/test/resize_test.cc | 1136 |
1 files changed, 1136 insertions, 0 deletions
diff --git a/third_party/aom/test/resize_test.cc b/third_party/aom/test/resize_test.cc new file mode 100644 index 0000000000..7bad45300a --- /dev/null +++ b/third_party/aom/test/resize_test.cc @@ -0,0 +1,1136 @@ +/* + * Copyright (c) 2016, 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 <climits> +#include <vector> +#include "aom_dsp/aom_dsp_common.h" +#include "common/tools_common.h" +#include "av1/encoder/encoder.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/video_source.h" +#include "test/util.h" +#include "test/y4m_video_source.h" + +// Enable(1) or Disable(0) writing of the compressed bitstream. +#define WRITE_COMPRESSED_STREAM 0 + +namespace { + +#if WRITE_COMPRESSED_STREAM +static void mem_put_le16(char *const mem, unsigned int val) { + mem[0] = val; + mem[1] = val >> 8; +} + +static void mem_put_le32(char *const mem, unsigned int val) { + mem[0] = val; + mem[1] = val >> 8; + mem[2] = val >> 16; + mem[3] = val >> 24; +} + +static void write_ivf_file_header(const aom_codec_enc_cfg_t *const cfg, + int frame_cnt, FILE *const outfile) { + char header[32]; + + header[0] = 'D'; + header[1] = 'K'; + header[2] = 'I'; + header[3] = 'F'; + mem_put_le16(header + 4, 0); /* version */ + mem_put_le16(header + 6, 32); /* headersize */ + mem_put_le32(header + 8, AV1_FOURCC); /* fourcc (av1) */ + mem_put_le16(header + 12, cfg->g_w); /* width */ + mem_put_le16(header + 14, cfg->g_h); /* height */ + mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */ + mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */ + mem_put_le32(header + 24, frame_cnt); /* length */ + mem_put_le32(header + 28, 0); /* unused */ + + (void)fwrite(header, 1, 32, outfile); +} + +static void write_ivf_frame_size(FILE *const outfile, const size_t size) { + char header[4]; + mem_put_le32(header, static_cast<unsigned int>(size)); + (void)fwrite(header, 1, 4, outfile); +} + +static void write_ivf_frame_header(const aom_codec_cx_pkt_t *const pkt, + FILE *const outfile) { + char header[12]; + aom_codec_pts_t pts; + + if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return; + + pts = pkt->data.frame.pts; + mem_put_le32(header, static_cast<unsigned int>(pkt->data.frame.sz)); + mem_put_le32(header + 4, pts & 0xFFFFFFFF); + mem_put_le32(header + 8, pts >> 32); + + (void)fwrite(header, 1, 12, outfile); +} +#endif // WRITE_COMPRESSED_STREAM + +const unsigned int kInitialWidth = 320; +const unsigned int kInitialHeight = 240; + +struct FrameInfo { + FrameInfo(aom_codec_pts_t _pts, unsigned int _w, unsigned int _h) + : pts(_pts), w(_w), h(_h) {} + + aom_codec_pts_t pts; + unsigned int w; + unsigned int h; +}; + +void ScaleForFrameNumber(unsigned int frame, unsigned int initial_w, + unsigned int initial_h, int flag_codec, + bool change_start_resln, unsigned int *w, + unsigned int *h) { + if (frame < 10) { + if (change_start_resln) { + *w = initial_w / 4; + *h = initial_h / 4; + } else { + *w = initial_w; + *h = initial_h; + } + return; + } + if (frame < 20) { + *w = initial_w * 3 / 4; + *h = initial_h * 3 / 4; + return; + } + if (frame < 30) { + *w = initial_w / 2; + *h = initial_h / 2; + return; + } + if (frame < 40) { + *w = initial_w; + *h = initial_h; + return; + } + if (frame < 50) { + *w = initial_w * 3 / 4; + *h = initial_h * 3 / 4; + return; + } + if (frame < 60) { + *w = initial_w / 2; + *h = initial_h / 2; + return; + } + if (frame < 70) { + *w = initial_w; + *h = initial_h; + return; + } + if (frame < 80) { + *w = initial_w * 3 / 4; + *h = initial_h * 3 / 4; + return; + } + if (frame < 90) { + *w = initial_w / 2; + *h = initial_h / 2; + return; + } + if (frame < 100) { + *w = initial_w * 3 / 4; + *h = initial_h * 3 / 4; + return; + } + if (frame < 110) { + *w = initial_w; + *h = initial_h; + return; + } + // Go down very low + if (frame < 120) { + *w = initial_w / 4; + *h = initial_h / 4; + return; + } + if (flag_codec == 1) { + // Cases that only works for AV1. + // For AV1: Swap width and height of original. + if (frame < 140) { + *w = initial_h; + *h = initial_w; + return; + } + } + *w = initial_w; + *h = initial_h; +} + +class ResizingVideoSource : public ::libaom_test::DummyVideoSource { + public: + ResizingVideoSource() { + SetSize(kInitialWidth, kInitialHeight); + limit_ = 150; + } + int flag_codec_; + bool change_start_resln_; + ~ResizingVideoSource() override = default; + + protected: + void Begin() override { + frame_ = 0; + unsigned int width; + unsigned int height; + ScaleForFrameNumber(frame_, kInitialWidth, kInitialHeight, flag_codec_, + change_start_resln_, &width, &height); + SetSize(width, height); + FillFrame(); + } + void Next() override { + ++frame_; + unsigned int width; + unsigned int height; + ScaleForFrameNumber(frame_, kInitialWidth, kInitialHeight, flag_codec_, + change_start_resln_, &width, &height); + SetSize(width, height); + FillFrame(); + } +}; + +class ResizeTest + : public ::libaom_test::CodecTestWithParam<libaom_test::TestMode>, + public ::libaom_test::EncoderTest { + protected: + ResizeTest() : EncoderTest(GET_PARAM(0)) {} + + ~ResizeTest() override = default; + + void SetUp() override { InitializeConfig(GET_PARAM(1)); } + + void PreEncodeFrameHook(libaom_test::VideoSource *video, + libaom_test::Encoder *encoder) override { + if (video->frame() == 0) { + if (GET_PARAM(1) == ::libaom_test::kRealTime) { + encoder->Control(AV1E_SET_AQ_MODE, 3); + encoder->Control(AOME_SET_CPUUSED, 5); + encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1); + } + } + } + + void DecompressedFrameHook(const aom_image_t &img, + aom_codec_pts_t pts) override { + frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h)); + } + + std::vector<FrameInfo> frame_info_list_; +}; + +TEST_P(ResizeTest, TestExternalResizeWorks) { + ResizingVideoSource video; + video.flag_codec_ = 0; + video.change_start_resln_ = false; + cfg_.g_lag_in_frames = 0; + // We use max(kInitialWidth, kInitialHeight) because during the test + // the width and height of the frame are swapped + cfg_.g_forced_max_frame_width = cfg_.g_forced_max_frame_height = + AOMMAX(kInitialWidth, kInitialHeight); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + const unsigned int frame = static_cast<unsigned>(info->pts); + unsigned int expected_w; + unsigned int expected_h; + ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, video.flag_codec_, + video.change_start_resln_, &expected_w, &expected_h); + EXPECT_EQ(expected_w, info->w) + << "Frame " << frame << " had unexpected width"; + EXPECT_EQ(expected_h, info->h) + << "Frame " << frame << " had unexpected height"; + } +} + +#if !CONFIG_REALTIME_ONLY +const unsigned int kStepDownFrame = 3; +const unsigned int kStepUpFrame = 6; + +class ResizeInternalTestLarge : public ResizeTest { + protected: +#if WRITE_COMPRESSED_STREAM + ResizeInternalTestLarge() + : ResizeTest(), frame0_psnr_(0.0), outfile_(nullptr), out_frames_(0) {} +#else + ResizeInternalTestLarge() : ResizeTest(), frame0_psnr_(0.0) {} +#endif + + ~ResizeInternalTestLarge() override = default; + + void BeginPassHook(unsigned int /*pass*/) override { +#if WRITE_COMPRESSED_STREAM + outfile_ = fopen("av10-2-05-resize.ivf", "wb"); +#endif + } + + void EndPassHook() override { +#if WRITE_COMPRESSED_STREAM + if (outfile_) { + if (!fseek(outfile_, 0, SEEK_SET)) + write_ivf_file_header(&cfg_, out_frames_, outfile_); + fclose(outfile_); + outfile_ = nullptr; + } +#endif + } + + void PreEncodeFrameHook(libaom_test::VideoSource *video, + libaom_test::Encoder *encoder) override { + if (change_config_) { + int new_q = 60; + if (video->frame() == 0) { + struct aom_scaling_mode mode = { AOME_ONETWO, AOME_ONETWO }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + } else if (video->frame() == 1) { + struct aom_scaling_mode mode = { AOME_NORMAL, AOME_NORMAL }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = new_q; + encoder->Config(&cfg_); + } + } else { + if (video->frame() >= kStepDownFrame && video->frame() < kStepUpFrame) { + struct aom_scaling_mode mode = { AOME_FOURFIVE, AOME_THREEFIVE }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + } + if (video->frame() >= kStepUpFrame) { + struct aom_scaling_mode mode = { AOME_NORMAL, AOME_NORMAL }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + } + } + } + + void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override { + if (frame0_psnr_ == 0.) frame0_psnr_ = pkt->data.psnr.psnr[0]; + EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 4.1); + } + +#if WRITE_COMPRESSED_STREAM + void FramePktHook(const aom_codec_cx_pkt_t *pkt) override { + ++out_frames_; + + // Write initial file header if first frame. + if (pkt->data.frame.pts == 0) write_ivf_file_header(&cfg_, 0, outfile_); + + // Write frame header and data. + write_ivf_frame_header(pkt, outfile_); + (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_); + } +#endif + + double frame0_psnr_; + bool change_config_; +#if WRITE_COMPRESSED_STREAM + FILE *outfile_; + unsigned int out_frames_; +#endif +}; + +TEST_P(ResizeInternalTestLarge, TestInternalResizeWorks) { + ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, + 30, 1, 0, 10); + init_flags_ = AOM_CODEC_USE_PSNR; + change_config_ = false; + + // q picked such that initial keyframe on this clip is ~30dB PSNR + cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48; + + // If the number of frames being encoded is smaller than g_lag_in_frames + // the encoded frame is unavailable using the current API. Comparing + // frames to detect mismatch would then not be possible. Set + // g_lag_in_frames = 0 to get around this. + cfg_.g_lag_in_frames = 0; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + } + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + const aom_codec_pts_t pts = info->pts; + if (pts >= kStepDownFrame && pts < kStepUpFrame) { + ASSERT_EQ(282U, info->w) << "Frame " << pts << " had unexpected width"; + ASSERT_EQ(173U, info->h) << "Frame " << pts << " had unexpected height"; + } else { + EXPECT_EQ(352U, info->w) << "Frame " << pts << " had unexpected width"; + EXPECT_EQ(288U, info->h) << "Frame " << pts << " had unexpected height"; + } + } +} + +TEST_P(ResizeInternalTestLarge, TestInternalResizeChangeConfig) { + ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, + 30, 1, 0, 10); + cfg_.g_w = 352; + cfg_.g_h = 288; + change_config_ = true; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); +} + +AV1_INSTANTIATE_TEST_SUITE(ResizeInternalTestLarge, + ::testing::Values(::libaom_test::kOnePassGood)); +#endif + +// Parameters: test mode, speed, threads +class ResizeRealtimeTest + : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, int, + int>, + public ::libaom_test::EncoderTest { + protected: + ResizeRealtimeTest() + : EncoderTest(GET_PARAM(0)), num_threads_(GET_PARAM(3)), + set_scale_mode_(false), set_scale_mode2_(false), + set_scale_mode3_(false) {} + ~ResizeRealtimeTest() override = default; + + void PreEncodeFrameHook(libaom_test::VideoSource *video, + libaom_test::Encoder *encoder) override { + if (video->frame() == 0) { + encoder->Control(AV1E_SET_AQ_MODE, 3); + encoder->Control(AV1E_SET_ALLOW_WARPED_MOTION, 0); + encoder->Control(AV1E_SET_ENABLE_GLOBAL_MOTION, 0); + encoder->Control(AV1E_SET_ENABLE_OBMC, 0); + encoder->Control(AOME_SET_CPUUSED, set_cpu_used_); + encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1); + } + if (set_scale_mode_) { + struct aom_scaling_mode mode; + if (video->frame() <= 20) + mode = { AOME_ONETWO, AOME_ONETWO }; + else if (video->frame() <= 40) + mode = { AOME_ONEFOUR, AOME_ONEFOUR }; + else if (video->frame() > 40) + mode = { AOME_NORMAL, AOME_NORMAL }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + } else if (set_scale_mode2_) { + struct aom_scaling_mode mode; + if (video->frame() <= 20) + mode = { AOME_ONEFOUR, AOME_ONEFOUR }; + else if (video->frame() <= 40) + mode = { AOME_ONETWO, AOME_ONETWO }; + else if (video->frame() > 40) + mode = { AOME_THREEFOUR, AOME_THREEFOUR }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + } else if (set_scale_mode3_) { + struct aom_scaling_mode mode; + if (video->frame() <= 30) + mode = { AOME_ONETWO, AOME_NORMAL }; + else + mode = { AOME_NORMAL, AOME_NORMAL }; + encoder->Control(AOME_SET_SCALEMODE, &mode); + } + + if (change_bitrate_ && video->frame() == frame_change_bitrate_) { + change_bitrate_ = false; + cfg_.rc_target_bitrate = 500; + encoder->Config(&cfg_); + } + } + + void SetUp() override { + InitializeConfig(GET_PARAM(1)); + set_cpu_used_ = GET_PARAM(2); + } + + void DecompressedFrameHook(const aom_image_t &img, + aom_codec_pts_t pts) override { + frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h)); + } + + void MismatchHook(const aom_image_t *img1, const aom_image_t *img2) override { + double mismatch_psnr = compute_psnr(img1, img2); + mismatch_psnr_ += mismatch_psnr; + ++mismatch_nframes_; + } + + unsigned int GetMismatchFrames() { return mismatch_nframes_; } + + void DefaultConfig() { + cfg_.rc_buf_initial_sz = 500; + cfg_.rc_buf_optimal_sz = 600; + cfg_.rc_buf_sz = 1000; + cfg_.rc_min_quantizer = 2; + cfg_.rc_max_quantizer = 56; + cfg_.rc_undershoot_pct = 50; + cfg_.rc_overshoot_pct = 50; + cfg_.rc_end_usage = AOM_CBR; + cfg_.kf_mode = AOM_KF_AUTO; + cfg_.g_lag_in_frames = 0; + cfg_.kf_min_dist = cfg_.kf_max_dist = 3000; + // Enable dropped frames. + cfg_.rc_dropframe_thresh = 1; + // Disable error_resilience mode. + cfg_.g_error_resilient = 0; + cfg_.g_threads = num_threads_; + // Run at low bitrate. + cfg_.rc_target_bitrate = 200; + // We use max(kInitialWidth, kInitialHeight) because during the test + // the width and height of the frame are swapped + cfg_.g_forced_max_frame_width = cfg_.g_forced_max_frame_height = + AOMMAX(kInitialWidth, kInitialHeight); + if (set_scale_mode_ || set_scale_mode2_ || set_scale_mode3_) { + cfg_.rc_dropframe_thresh = 0; + cfg_.g_forced_max_frame_width = 1280; + cfg_.g_forced_max_frame_height = 1280; + } + } + + std::vector<FrameInfo> frame_info_list_; + int set_cpu_used_; + int num_threads_; + bool change_bitrate_; + unsigned int frame_change_bitrate_; + double mismatch_psnr_; + int mismatch_nframes_; + bool set_scale_mode_; + bool set_scale_mode2_; + bool set_scale_mode3_; +}; + +// Check the AOME_SET_SCALEMODE control by downsizing to +// 1/2, then 1/4, and then back up to originsal. +TEST_P(ResizeRealtimeTest, TestInternalResizeSetScaleMode1) { + ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60); + cfg_.g_w = 1280; + cfg_.g_h = 720; + set_scale_mode_ = true; + set_scale_mode2_ = false; + set_scale_mode3_ = false; + DefaultConfig(); + change_bitrate_ = false; + mismatch_nframes_ = 0; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + const auto frame = static_cast<unsigned>(info->pts); + unsigned int expected_w = 1280 >> 1; + unsigned int expected_h = 720 >> 1; + if (frame > 40) { + expected_w = 1280; + expected_h = 720; + } else if (frame > 20 && frame <= 40) { + expected_w = 1280 >> 2; + expected_h = 720 >> 2; + } + EXPECT_EQ(expected_w, info->w) + << "Frame " << frame << " had unexpected width"; + EXPECT_EQ(expected_h, info->h) + << "Frame " << frame << " had unexpected height"; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); + } +} + +// Check the AOME_SET_SCALEMODE control by downsizing to +// 1/2, then 1/4, and then back up to originsal. +TEST_P(ResizeRealtimeTest, TestInternalResizeSetScaleMode1QVGA) { + ::libaom_test::I420VideoSource video("desktop1.320_180.yuv", 320, 180, 30, 1, + 0, 80); + cfg_.g_w = 320; + cfg_.g_h = 180; + set_scale_mode_ = true; + set_scale_mode2_ = false; + set_scale_mode3_ = false; + DefaultConfig(); + change_bitrate_ = false; + mismatch_nframes_ = 0; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + const auto frame = static_cast<unsigned>(info->pts); + unsigned int expected_w = 320 >> 1; + unsigned int expected_h = 180 >> 1; + if (frame > 40) { + expected_w = 320; + expected_h = 180; + } else if (frame > 20 && frame <= 40) { + expected_w = 320 >> 2; + expected_h = 180 >> 2; + } + EXPECT_EQ(expected_w, info->w) + << "Frame " << frame << " had unexpected width"; + EXPECT_EQ(expected_h, info->h) + << "Frame " << frame << " had unexpected height"; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); + } +} + +// Check the AOME_SET_SCALEMODE control by downsizing to +// 1/4, then 1/2, and then up to 3/4. +TEST_P(ResizeRealtimeTest, TestInternalResizeSetScaleMode2) { + ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60); + cfg_.g_w = 1280; + cfg_.g_h = 720; + set_scale_mode_ = false; + set_scale_mode2_ = true; + set_scale_mode3_ = false; + DefaultConfig(); + change_bitrate_ = false; + mismatch_nframes_ = 0; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + const auto frame = static_cast<unsigned>(info->pts); + unsigned int expected_w = 1280 >> 2; + unsigned int expected_h = 720 >> 2; + if (frame > 40) { + expected_w = (3 * 1280) >> 2; + expected_h = (3 * 720) >> 2; + } else if (frame > 20 && frame <= 40) { + expected_w = 1280 >> 1; + expected_h = 720 >> 1; + } + EXPECT_EQ(expected_w, info->w) + << "Frame " << frame << " had unexpected width"; + EXPECT_EQ(expected_h, info->h) + << "Frame " << frame << " had unexpected height"; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); + } +} + +// Check the AOME_SET_SCALEMODE control by downsizing to +// 1/2 horizontally only and then back up to original. +TEST_P(ResizeRealtimeTest, TestInternalResizeSetScaleMode3) { + ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60); + cfg_.g_w = 1280; + cfg_.g_h = 720; + set_scale_mode_ = false; + set_scale_mode2_ = false; + set_scale_mode3_ = true; + DefaultConfig(); + change_bitrate_ = false; + mismatch_nframes_ = 0; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + const auto frame = static_cast<unsigned>(info->pts); + unsigned int expected_w = 640; + unsigned int expected_h = 720; + if (frame > 30) { + expected_w = 1280; + expected_h = 720; + } + EXPECT_EQ(expected_w, info->w) + << "Frame " << frame << " had unexpected width"; + EXPECT_EQ(expected_h, info->h) + << "Frame " << frame << " had unexpected height"; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); + } +} + +TEST_P(ResizeRealtimeTest, TestExternalResizeWorks) { + ResizingVideoSource video; + video.flag_codec_ = 1; + change_bitrate_ = false; + set_scale_mode_ = false; + set_scale_mode2_ = false; + set_scale_mode3_ = false; + mismatch_psnr_ = 0.0; + mismatch_nframes_ = 0; + DefaultConfig(); + // Test external resizing with start resolution equal to + // 1. kInitialWidth and kInitialHeight + // 2. down-scaled kInitialWidth and kInitialHeight + for (int i = 0; i < 2; i++) { + video.change_start_resln_ = static_cast<bool>(i); + + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + for (const auto &info : frame_info_list_) { + const unsigned int frame = static_cast<unsigned>(info.pts); + unsigned int expected_w; + unsigned int expected_h; + ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, + video.flag_codec_, video.change_start_resln_, + &expected_w, &expected_h); + EXPECT_EQ(expected_w, info.w) + << "Frame " << frame << " had unexpected width"; + EXPECT_EQ(expected_h, info.h) + << "Frame " << frame << " had unexpected height"; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); + } + frame_info_list_.clear(); + } +} + +// Verify the dynamic resizer behavior for real time, 1 pass CBR mode. +// Run at low bitrate, with resize_allowed = 1, and verify that we get +// one resize down event. +TEST_P(ResizeRealtimeTest, TestInternalResizeDown) { + ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1, + 0, 400); + cfg_.g_w = 640; + cfg_.g_h = 480; + change_bitrate_ = false; + set_scale_mode_ = false; + set_scale_mode2_ = false; + set_scale_mode3_ = false; + mismatch_psnr_ = 0.0; + mismatch_nframes_ = 0; + DefaultConfig(); + // Disable dropped frames. + cfg_.rc_dropframe_thresh = 0; + // Starting bitrate low. + cfg_.rc_target_bitrate = 150; + cfg_.rc_resize_mode = RESIZE_DYNAMIC; + cfg_.g_forced_max_frame_width = 1280; + cfg_.g_forced_max_frame_height = 1280; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + + unsigned int last_w = cfg_.g_w; + unsigned int last_h = cfg_.g_h; + int resize_down_count = 0; + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + if (info->w != last_w || info->h != last_h) { + // Verify that resize down occurs. + if (info->w < last_w && info->h < last_h) { + resize_down_count++; + } + last_w = info->w; + last_h = info->h; + } + } + +#if CONFIG_AV1_DECODER + // Verify that we get at lease 1 resize down event in this test. + ASSERT_GE(resize_down_count, 1) << "Resizing should occur."; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); +#else + printf("Warning: AV1 decoder unavailable, unable to check resize count!\n"); +#endif +} + +// Verify the dynamic resizer behavior for real time, 1 pass CBR mode. +// Start at low target bitrate, raise the bitrate in the middle of the clip +// (at frame# = frame_change_bitrate_), scaling-up should occur after bitrate +// is increased. +TEST_P(ResizeRealtimeTest, TestInternalResizeDownUpChangeBitRate) { + ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1, + 0, 400); + cfg_.g_w = 640; + cfg_.g_h = 480; + change_bitrate_ = true; + frame_change_bitrate_ = 120; + set_scale_mode_ = false; + set_scale_mode2_ = false; + set_scale_mode3_ = false; + mismatch_psnr_ = 0.0; + mismatch_nframes_ = 0; + DefaultConfig(); + // Disable dropped frames. + cfg_.rc_dropframe_thresh = 0; + // Starting bitrate low. + cfg_.rc_target_bitrate = 150; + cfg_.rc_resize_mode = RESIZE_DYNAMIC; + cfg_.g_forced_max_frame_width = 1280; + cfg_.g_forced_max_frame_height = 1280; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + + unsigned int last_w = cfg_.g_w; + unsigned int last_h = cfg_.g_h; + unsigned int frame_number = 0; + int resize_down_count = 0; + int resize_up_count = 0; + for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin(); + info != frame_info_list_.end(); ++info) { + if (info->w != last_w || info->h != last_h) { + if (frame_number < frame_change_bitrate_) { + // Verify that resize down occurs, before bitrate is increased. + ASSERT_LT(info->w, last_w); + ASSERT_LT(info->h, last_h); + resize_down_count++; + } else { + // Verify that resize up occurs, after bitrate is increased. + ASSERT_GT(info->w, last_w); + ASSERT_GT(info->h, last_h); + resize_up_count++; + } + last_w = info->w; + last_h = info->h; + } + frame_number++; + } + +#if CONFIG_AV1_DECODER + // Verify that we get at least 2 resize events in this test. + ASSERT_GE(resize_up_count, 1) << "Resizing up should occur at lease once."; + ASSERT_GE(resize_down_count, 1) + << "Resizing down should occur at lease once."; + EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames()); +#else + printf("Warning: AV1 decoder unavailable, unable to check resize count!\n"); +#endif +} + +class ResizeCspTest : public ResizeTest { + protected: +#if WRITE_COMPRESSED_STREAM + ResizeCspTest() + : ResizeTest(), frame0_psnr_(0.0), outfile_(nullptr), out_frames_(0) {} +#else + ResizeCspTest() : ResizeTest(), frame0_psnr_(0.0) {} +#endif + + ~ResizeCspTest() override = default; + + void BeginPassHook(unsigned int /*pass*/) override { +#if WRITE_COMPRESSED_STREAM + outfile_ = fopen("av11-2-05-cspchape.ivf", "wb"); +#endif + } + + void EndPassHook() override { +#if WRITE_COMPRESSED_STREAM + if (outfile_) { + if (!fseek(outfile_, 0, SEEK_SET)) + write_ivf_file_header(&cfg_, out_frames_, outfile_); + fclose(outfile_); + outfile_ = nullptr; + } +#endif + } + + void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override { + if (frame0_psnr_ == 0.) frame0_psnr_ = pkt->data.psnr.psnr[0]; + EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 2.0); + } + +#if WRITE_COMPRESSED_STREAM + void FramePktHook(const aom_codec_cx_pkt_t *pkt) override { + ++out_frames_; + + // Write initial file header if first frame. + if (pkt->data.frame.pts == 0) write_ivf_file_header(&cfg_, 0, outfile_); + + // Write frame header and data. + write_ivf_frame_header(pkt, outfile_); + (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_); + } +#endif + + double frame0_psnr_; +#if WRITE_COMPRESSED_STREAM + FILE *outfile_; + unsigned int out_frames_; +#endif +}; + +class ResizingCspVideoSource : public ::libaom_test::DummyVideoSource { + public: + explicit ResizingCspVideoSource(aom_img_fmt_t image_format) { + SetSize(kInitialWidth, kInitialHeight); + SetImageFormat(image_format); + limit_ = 30; + } + + ~ResizingCspVideoSource() override = default; +}; + +#if (defined(DISABLE_TRELLISQ_SEARCH) && DISABLE_TRELLISQ_SEARCH) || \ + (defined(CONFIG_MAX_DECODE_PROFILE) && CONFIG_MAX_DECODE_PROFILE < 1) +TEST_P(ResizeCspTest, DISABLED_TestResizeCspWorks) { +#else +TEST_P(ResizeCspTest, TestResizeCspWorks) { +#endif + const aom_img_fmt_t image_formats[] = { AOM_IMG_FMT_I420, AOM_IMG_FMT_I444 }; + for (const aom_img_fmt_t &img_format : image_formats) { + ResizingCspVideoSource video(img_format); + init_flags_ = AOM_CODEC_USE_PSNR; + cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48; + cfg_.g_lag_in_frames = 0; + cfg_.g_profile = (img_format == AOM_IMG_FMT_I420) ? 0 : 1; + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); + + // Check we decoded the same number of frames as we attempted to encode + ASSERT_EQ(frame_info_list_.size(), video.limit()); + frame_info_list_.clear(); + } +} + +#if !CONFIG_REALTIME_ONLY +// This class is used to check if there are any fatal +// failures while encoding with resize-mode > 0 +class ResizeModeTestLarge + : public ::libaom_test::CodecTestWith5Params<libaom_test::TestMode, int, + int, int, int>, + public ::libaom_test::EncoderTest { + protected: + ResizeModeTestLarge() + : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)), + resize_mode_(GET_PARAM(2)), resize_denominator_(GET_PARAM(3)), + resize_kf_denominator_(GET_PARAM(4)), cpu_used_(GET_PARAM(5)) {} + ~ResizeModeTestLarge() override = default; + + void SetUp() override { + InitializeConfig(encoding_mode_); + const aom_rational timebase = { 1, 30 }; + cfg_.g_timebase = timebase; + cfg_.rc_end_usage = AOM_VBR; + cfg_.g_threads = 1; + cfg_.g_lag_in_frames = 35; + cfg_.rc_target_bitrate = 1000; + cfg_.rc_resize_mode = resize_mode_; + cfg_.rc_resize_denominator = resize_denominator_; + cfg_.rc_resize_kf_denominator = resize_kf_denominator_; + init_flags_ = AOM_CODEC_USE_PSNR; + } + + 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, 1); + } + } + + ::libaom_test::TestMode encoding_mode_; + int resize_mode_; + int resize_denominator_; + int resize_kf_denominator_; + int cpu_used_; +}; + +TEST_P(ResizeModeTestLarge, ResizeModeTest) { + ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 30); + ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); +} + +GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ResizeModeTestLarge); +AV1_INSTANTIATE_TEST_SUITE(ResizeModeTestLarge, + ::testing::Values(::libaom_test::kOnePassGood, + ::libaom_test::kTwoPassGood), + ::testing::Values(1, 2), ::testing::Values(8, 12), + ::testing::Values(10, 14), ::testing::Values(3, 6)); +#endif // !CONFIG_REALTIME_ONLY + +AV1_INSTANTIATE_TEST_SUITE(ResizeTest, + ::testing::Values(::libaom_test::kRealTime)); +AV1_INSTANTIATE_TEST_SUITE(ResizeRealtimeTest, + ::testing::Values(::libaom_test::kRealTime), + ::testing::Range(6, 10), ::testing::Values(1, 2, 4)); +AV1_INSTANTIATE_TEST_SUITE(ResizeCspTest, + ::testing::Values(::libaom_test::kRealTime)); + +// A test that reproduces crbug.com/1393384. In realtime usage mode, encode +// frames of sizes 202x202, 1x202, and 202x202. ASan should report no memory +// errors. +TEST(ResizeSimpleTest, TemporarySmallerFrameSize) { + constexpr int kWidth = 202; + constexpr int kHeight = 202; + // Dummy buffer of zero samples. + constexpr size_t kBufferSize = + kWidth * kHeight + 2 * (kWidth + 1) / 2 * (kHeight + 1) / 2; + std::vector<unsigned char> buffer(kBufferSize); + + aom_image_t img; + EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, kWidth, kHeight, 1, + buffer.data())); + aom_image_t img2; + EXPECT_EQ(&img2, aom_img_wrap(&img2, AOM_IMG_FMT_I420, 1, kHeight, 1, + buffer.data())); + + aom_codec_iface_t *iface = aom_codec_av1_cx(); + aom_codec_enc_cfg_t cfg; + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME)); + cfg.g_w = kWidth; + cfg.g_h = kHeight; + aom_codec_ctx_t enc; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 5)); + + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0)); + + cfg.g_w = 1; + cfg.g_h = kHeight; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img2, 1, 1, 0)); + + cfg.g_w = kWidth; + cfg.g_h = kHeight; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 2, 1, 0)); + + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 0, 0)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc)); +} + +// A test that reproduces crbug.com/1410766. In realtime usage mode +// for SVC with temporal layers, encode frames of sizes 600x600, +// 600x600, and 100x480. ASan should report no memory errors. +TEST(ResizeSimpleTest, SmallerFrameSizeSVC) { + constexpr int kWidth = 600; + constexpr int kHeight = 600; + // Dummy buffer of zero samples. + constexpr size_t kBufferSize = + kWidth * kHeight + 2 * (kWidth + 1) / 2 * (kHeight + 1) / 2; + std::vector<unsigned char> buffer(kBufferSize); + + aom_image_t img; + EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, kWidth, kHeight, 1, + buffer.data())); + aom_image_t img2; + EXPECT_EQ(&img2, + aom_img_wrap(&img2, AOM_IMG_FMT_I420, 100, 480, 1, buffer.data())); + + aom_codec_iface_t *iface = aom_codec_av1_cx(); + aom_codec_enc_cfg_t cfg; + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME)); + cfg.g_w = kWidth; + cfg.g_h = kHeight; + aom_codec_ctx_t enc; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 5)); + + aom_svc_params_t svc_params = {}; + aom_svc_layer_id_t layer_id; + svc_params.number_spatial_layers = 1; + svc_params.framerate_factor[0] = 2; + svc_params.framerate_factor[1] = 1; + svc_params.number_temporal_layers = 2; + // Bitrate allocation L0: 60% L1: 40% + svc_params.layer_target_bitrate[0] = 60 * cfg.rc_target_bitrate / 100; + svc_params.layer_target_bitrate[1] = cfg.rc_target_bitrate; + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_control(&enc, AV1E_SET_SVC_PARAMS, &svc_params)); + + layer_id.spatial_layer_id = 0; + layer_id.temporal_layer_id = 0; + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_control(&enc, AV1E_SET_SVC_LAYER_ID, &layer_id)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0)); + + cfg.g_w = kWidth; + cfg.g_h = kHeight; + layer_id.temporal_layer_id = 1; + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_control(&enc, AV1E_SET_SVC_LAYER_ID, &layer_id)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 1, 1, 0)); + + cfg.g_w = 100; + cfg.g_h = 480; + layer_id.temporal_layer_id = 0; + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_control(&enc, AV1E_SET_SVC_LAYER_ID, &layer_id)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img2, 2, 1, 0)); + + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 0, 0)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc)); +} + +const int kUsages[] = +#if CONFIG_REALTIME_ONLY + { AOM_USAGE_REALTIME }; +#else + { AOM_USAGE_GOOD_QUALITY, AOM_USAGE_REALTIME, AOM_USAGE_ALL_INTRA }; +#endif + +const int kNumThreads[] = { 2, 4, 8 }; + +class FrameSizeChangeTest + : public ::libaom_test::CodecTestWith3Params<int, int, int> { + protected: + FrameSizeChangeTest() {} + ~FrameSizeChangeTest() override = default; + + void DoTest(int change_thread) { + usage_ = GET_PARAM(1); + cpu_used_ = GET_PARAM(2); + threads_ = GET_PARAM(3); + constexpr int kWidth = 512; + constexpr int kHeight = 512; + constexpr int kFirstWidth = 256; + constexpr int kFirstHeight = 256; + // Buffer of zero samples. + constexpr size_t kBufferSize = 3 * kWidth * kHeight; + std::vector<unsigned char> buffer(kBufferSize, + static_cast<unsigned char>(0)); + + aom_image_t img1; + EXPECT_EQ(&img1, aom_img_wrap(&img1, AOM_IMG_FMT_I420, kFirstWidth, + kFirstHeight, 1, buffer.data())); + + aom_image_t img2; + EXPECT_EQ(&img2, aom_img_wrap(&img2, AOM_IMG_FMT_I420, kWidth, kHeight, 1, + buffer.data())); + + aom_codec_iface_t *iface = aom_codec_av1_cx(); + aom_codec_enc_cfg_t cfg; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_default(iface, &cfg, usage_)); + cfg.g_threads = threads_; + cfg.g_lag_in_frames = usage_ == AOM_USAGE_ALL_INTRA ? 0 : 1; + cfg.g_w = kFirstWidth; + cfg.g_h = kFirstHeight; + cfg.g_forced_max_frame_width = kWidth; + cfg.g_forced_max_frame_height = kHeight; + aom_codec_ctx_t enc; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0)); + EXPECT_EQ(AOM_CODEC_OK, + aom_codec_control(&enc, AOME_SET_CPUUSED, cpu_used_)); + + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img1, 0, 1, 0)); + + if (change_thread == 1) { + cfg.g_threads = AOMMAX(1, threads_ / 2); + } else if (change_thread == 2) { + cfg.g_threads = threads_ * 2; + } + cfg.g_w = kWidth; + cfg.g_h = kHeight; + EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img2, 1, 1, 0)); + + EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 0, 0)); + EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc)); + } + + int cpu_used_; + int threads_; + int usage_; +}; + +TEST_P(FrameSizeChangeTest, FixedThreads) { DoTest(0); } +TEST_P(FrameSizeChangeTest, DecreasingThreads) { DoTest(1); } +TEST_P(FrameSizeChangeTest, IncreasingThreads) { DoTest(2); } + +AV1_INSTANTIATE_TEST_SUITE(FrameSizeChangeTest, ::testing::ValuesIn(kUsages), + ::testing::Range(6, 7), + ::testing::ValuesIn(kNumThreads)); + +} // namespace |