Google Git
Sign in
aomedia / aom / 9f59323c1225454aecf7748739e9fcaba88cc753 / . / test / resize_test.cc
blob: a84a4654a86aa2d73076d2bb72892b9c0274fef0 [file] [log] [blame]
/*
* 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/aomcx.h"
#include "aom_dsp/aom_dsp_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/util.h"
#include "test/video_source.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), is_screen_(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 (is_screen_)
encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
}
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_;
bool is_screen_;
};
// 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();
}
}
TEST_P(ResizeRealtimeTest, TestExternalResizeWorksUsePSNR) {
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;
init_flags_ = AOM_CODEC_USE_PSNR;
cfg_.rc_dropframe_thresh = 30;
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);
init_flags_ = AOM_CODEC_USE_PSNR;
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
}
// Verify the dynamic resizer behavior for real time, 1 pass CBR mode for
// screen content 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, TestInternalResizeDownUpChangeBitRateScreen) {
::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
30, 1, 0, 300);
init_flags_ = AOM_CODEC_USE_PSNR;
cfg_.g_w = 352;
cfg_.g_h = 288;
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;
is_screen_ = true;
DefaultConfig();
// Disable dropped frames.
cfg_.rc_dropframe_thresh = 0;
// Starting bitrate low.
cfg_.rc_target_bitrate = 100;
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;
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++;
}
last_w = info->w;
last_h = info->h;
}
frame_number++;
}
#if CONFIG_AV1_DECODER
// Verify that we get at least 1 resize event in this test.
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