ref: d55682c2aadbca664727fde886d42d39f7cbb5cd
dir: libvpx/test/vp9_arf_freq_test.cc
/*
* Copyright (c) 2015 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 <memory>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/y4m_video_source.h"
#include "test/yuv_video_source.h"
#include "vp9/encoder/vp9_ratectrl.h"
namespace {
const unsigned int kFrames = 100;
const int kBitrate = 500;
#define ARF_NOT_SEEN 1000001
#define ARF_SEEN_ONCE 1000000
typedef struct {
const char *filename;
unsigned int width;
unsigned int height;
unsigned int framerate_num;
unsigned int framerate_den;
unsigned int input_bit_depth;
vpx_img_fmt fmt;
vpx_bit_depth_t bit_depth;
unsigned int profile;
} TestVideoParam;
typedef struct {
libvpx_test::TestMode mode;
int cpu_used;
} TestEncodeParam;
const TestVideoParam kTestVectors[] = {
// artificially increase framerate to trigger default check
{ "hantro_collage_w352h288.yuv", 352, 288, 5000, 1, 8, VPX_IMG_FMT_I420,
VPX_BITS_8, 0 },
{ "hantro_collage_w352h288.yuv", 352, 288, 30, 1, 8, VPX_IMG_FMT_I420,
VPX_BITS_8, 0 },
{ "rush_hour_444.y4m", 352, 288, 30, 1, 8, VPX_IMG_FMT_I444, VPX_BITS_8, 1 },
#if CONFIG_VP9_HIGHBITDEPTH
// Add list of profile 2/3 test videos here ...
#endif // CONFIG_VP9_HIGHBITDEPTH
};
const TestEncodeParam kEncodeVectors[] = {
{ ::libvpx_test::kOnePassGood, 2 }, { ::libvpx_test::kOnePassGood, 5 },
{ ::libvpx_test::kTwoPassGood, 1 }, { ::libvpx_test::kTwoPassGood, 2 },
{ ::libvpx_test::kTwoPassGood, 5 }, { ::libvpx_test::kRealTime, 5 },
};
const int kMinArfVectors[] = {
// NOTE: 0 refers to the default built-in logic in:
// vp9_rc_get_default_min_gf_interval(...)
0, 4, 8, 12, 15
};
int is_extension_y4m(const char *filename) {
const char *dot = strrchr(filename, '.');
if (!dot || dot == filename) {
return 0;
} else {
return !strcmp(dot, ".y4m");
}
}
class ArfFreqTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith3Params<TestVideoParam,
TestEncodeParam, int> {
protected:
ArfFreqTest()
: EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)),
test_encode_param_(GET_PARAM(2)), min_arf_requested_(GET_PARAM(3)) {}
virtual ~ArfFreqTest() {}
virtual void SetUp() {
InitializeConfig();
SetMode(test_encode_param_.mode);
if (test_encode_param_.mode != ::libvpx_test::kRealTime) {
cfg_.g_lag_in_frames = 25;
cfg_.rc_end_usage = VPX_VBR;
} else {
cfg_.g_lag_in_frames = 0;
cfg_.rc_end_usage = VPX_CBR;
cfg_.rc_buf_sz = 1000;
cfg_.rc_buf_initial_sz = 500;
cfg_.rc_buf_optimal_sz = 600;
}
dec_cfg_.threads = 4;
}
virtual void BeginPassHook(unsigned int) {
min_run_ = ARF_NOT_SEEN;
run_of_visible_frames_ = 0;
}
int GetNumFramesInPkt(const vpx_codec_cx_pkt_t *pkt) {
const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
const uint8_t marker = buffer[pkt->data.frame.sz - 1];
const int mag = ((marker >> 3) & 3) + 1;
int frames = (marker & 0x7) + 1;
const unsigned int index_sz = 2 + mag * frames;
// Check for superframe or not.
// Assume superframe has only one visible frame, the rest being
// invisible. If superframe index is not found, then there is only
// one frame.
if (!((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
buffer[pkt->data.frame.sz - index_sz] == marker)) {
frames = 1;
}
return frames;
}
virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return;
const int frames = GetNumFramesInPkt(pkt);
if (frames == 1) {
run_of_visible_frames_++;
} else if (frames == 2) {
if (min_run_ == ARF_NOT_SEEN) {
min_run_ = ARF_SEEN_ONCE;
} else if (min_run_ == ARF_SEEN_ONCE ||
run_of_visible_frames_ < min_run_) {
min_run_ = run_of_visible_frames_;
}
run_of_visible_frames_ = 1;
} else {
min_run_ = 0;
run_of_visible_frames_ = 1;
}
}
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING, 1);
encoder->Control(VP9E_SET_TILE_COLUMNS, 4);
encoder->Control(VP8E_SET_CPUUSED, test_encode_param_.cpu_used);
encoder->Control(VP9E_SET_MIN_GF_INTERVAL, min_arf_requested_);
if (test_encode_param_.mode != ::libvpx_test::kRealTime) {
encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
encoder->Control(VP8E_SET_ARNR_MAXFRAMES, 7);
encoder->Control(VP8E_SET_ARNR_STRENGTH, 5);
encoder->Control(VP8E_SET_ARNR_TYPE, 3);
}
}
}
int GetMinVisibleRun() const { return min_run_; }
int GetMinArfDistanceRequested() const {
if (min_arf_requested_) {
return min_arf_requested_;
} else {
return vp9_rc_get_default_min_gf_interval(
test_video_param_.width, test_video_param_.height,
(double)test_video_param_.framerate_num /
test_video_param_.framerate_den);
}
}
TestVideoParam test_video_param_;
TestEncodeParam test_encode_param_;
private:
int min_arf_requested_;
int min_run_;
int run_of_visible_frames_;
};
TEST_P(ArfFreqTest, MinArfFreqTest) {
cfg_.rc_target_bitrate = kBitrate;
cfg_.g_error_resilient = 0;
cfg_.g_profile = test_video_param_.profile;
cfg_.g_input_bit_depth = test_video_param_.input_bit_depth;
cfg_.g_bit_depth = test_video_param_.bit_depth;
init_flags_ = VPX_CODEC_USE_PSNR;
if (cfg_.g_bit_depth > 8) init_flags_ |= VPX_CODEC_USE_HIGHBITDEPTH;
std::unique_ptr<libvpx_test::VideoSource> video;
if (is_extension_y4m(test_video_param_.filename)) {
video.reset(new libvpx_test::Y4mVideoSource(test_video_param_.filename, 0,
kFrames));
} else {
video.reset(new libvpx_test::YUVVideoSource(
test_video_param_.filename, test_video_param_.fmt,
test_video_param_.width, test_video_param_.height,
test_video_param_.framerate_num, test_video_param_.framerate_den, 0,
kFrames));
}
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
const int min_run = GetMinVisibleRun();
const int min_arf_dist_requested = GetMinArfDistanceRequested();
if (min_run != ARF_NOT_SEEN && min_run != ARF_SEEN_ONCE) {
const int min_arf_dist = min_run + 1;
EXPECT_GE(min_arf_dist, min_arf_dist_requested);
}
}
VP9_INSTANTIATE_TEST_SUITE(ArfFreqTest, ::testing::ValuesIn(kTestVectors),
::testing::ValuesIn(kEncodeVectors),
::testing::ValuesIn(kMinArfVectors));
} // namespace