ref: f74e0229d5575af20498a9dbf48f1d305dfc8719
dir: libvpx/test/vp9_ext_ratectrl_test.cc
/*
* Copyright (c) 2020 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 <new>
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/yuv_video_source.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "vpx/vpx_ext_ratectrl.h"
namespace {
constexpr int kModelMagicNumber = 51396;
constexpr unsigned int PrivMagicNumber = 5566;
constexpr int kFrameNum = 5;
constexpr int kLosslessCodingIndex = 2;
struct ToyRateCtrl {
int magic_number;
int coding_index;
};
vpx_rc_status_t rc_create_model(void *priv,
const vpx_rc_config_t *ratectrl_config,
vpx_rc_model_t *rate_ctrl_model_pt) {
ToyRateCtrl *toy_rate_ctrl = new (std::nothrow) ToyRateCtrl;
EXPECT_NE(toy_rate_ctrl, nullptr);
toy_rate_ctrl->magic_number = kModelMagicNumber;
toy_rate_ctrl->coding_index = -1;
*rate_ctrl_model_pt = toy_rate_ctrl;
EXPECT_EQ(priv, reinterpret_cast<void *>(PrivMagicNumber));
EXPECT_EQ(ratectrl_config->frame_width, 352);
EXPECT_EQ(ratectrl_config->frame_height, 288);
EXPECT_EQ(ratectrl_config->show_frame_count, kFrameNum);
EXPECT_EQ(ratectrl_config->target_bitrate_kbps, 24000);
EXPECT_EQ(ratectrl_config->frame_rate_num, 30);
EXPECT_EQ(ratectrl_config->frame_rate_den, 1);
return VPX_RC_OK;
}
vpx_rc_status_t rc_send_firstpass_stats(
vpx_rc_model_t rate_ctrl_model,
const vpx_rc_firstpass_stats_t *first_pass_stats) {
const ToyRateCtrl *toy_rate_ctrl =
static_cast<ToyRateCtrl *>(rate_ctrl_model);
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
EXPECT_EQ(first_pass_stats->num_frames, kFrameNum);
for (int i = 0; i < first_pass_stats->num_frames; ++i) {
EXPECT_DOUBLE_EQ(first_pass_stats->frame_stats[i].frame, i);
}
return VPX_RC_OK;
}
vpx_rc_status_t rc_get_encodeframe_decision(
vpx_rc_model_t rate_ctrl_model,
const vpx_rc_encodeframe_info_t *encode_frame_info,
vpx_rc_encodeframe_decision_t *frame_decision) {
ToyRateCtrl *toy_rate_ctrl = static_cast<ToyRateCtrl *>(rate_ctrl_model);
toy_rate_ctrl->coding_index += 1;
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
EXPECT_LT(encode_frame_info->show_index, kFrameNum);
EXPECT_EQ(encode_frame_info->coding_index, toy_rate_ctrl->coding_index);
if (encode_frame_info->coding_index == 0) {
EXPECT_EQ(encode_frame_info->gop_index, 0);
EXPECT_EQ(encode_frame_info->frame_type, 0 /*kFrameTypeKey*/);
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[0],
0); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[1],
0); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[2],
0); // kRefFrameTypeFuture
}
if (encode_frame_info->coding_index == 1) {
EXPECT_EQ(encode_frame_info->gop_index, 1);
EXPECT_EQ(encode_frame_info->frame_type, 2 /*kFrameTypeAltRef*/);
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[0],
1); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[1],
0); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[2],
0); // kRefFrameTypeFuture
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[0],
0); // kRefFrameTypeLast
}
if (encode_frame_info->coding_index >= 2 &&
encode_frame_info->coding_index < 5) {
// In the first group of pictures, coding_index and gop_index are equal.
EXPECT_EQ(encode_frame_info->gop_index, encode_frame_info->coding_index);
EXPECT_EQ(encode_frame_info->frame_type, 1 /*kFrameTypeInter*/);
}
if (encode_frame_info->coding_index == 5) {
EXPECT_EQ(encode_frame_info->gop_index, 0);
EXPECT_EQ(encode_frame_info->frame_type, 3 /*kFrameTypeOverlay*/);
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[0],
1); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[1],
1); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_valid_list[2],
1); // kRefFrameTypeFuture
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[0],
4); // kRefFrameTypeLast
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[1],
0); // kRefFrameTypePast
EXPECT_EQ(encode_frame_info->ref_frame_coding_indexes[2],
1); // kRefFrameTypeFuture
}
if (encode_frame_info->coding_index == kLosslessCodingIndex) {
// We should get sse == 0 at rc_update_encodeframe_result()
frame_decision->q_index = 0;
} else {
frame_decision->q_index = 100;
}
return VPX_RC_OK;
}
vpx_rc_status_t rc_update_encodeframe_result(
vpx_rc_model_t rate_ctrl_model,
const vpx_rc_encodeframe_result_t *encode_frame_result) {
const ToyRateCtrl *toy_rate_ctrl =
static_cast<ToyRateCtrl *>(rate_ctrl_model);
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
const int64_t ref_pixel_count = 352 * 288 * 3 / 2;
EXPECT_EQ(encode_frame_result->pixel_count, ref_pixel_count);
if (toy_rate_ctrl->coding_index == kLosslessCodingIndex) {
EXPECT_EQ(encode_frame_result->sse, 0);
}
return VPX_RC_OK;
}
vpx_rc_status_t rc_delete_model(vpx_rc_model_t rate_ctrl_model) {
ToyRateCtrl *toy_rate_ctrl = static_cast<ToyRateCtrl *>(rate_ctrl_model);
EXPECT_EQ(toy_rate_ctrl->magic_number, kModelMagicNumber);
delete toy_rate_ctrl;
return VPX_RC_OK;
}
class ExtRateCtrlTest : public ::libvpx_test::EncoderTest,
public ::testing::Test {
protected:
ExtRateCtrlTest() : EncoderTest(&::libvpx_test::kVP9) {}
~ExtRateCtrlTest() override = default;
void SetUp() override {
InitializeConfig();
SetMode(::libvpx_test::kTwoPassGood);
}
void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) override {
if (video->frame() == 0) {
vpx_rc_funcs_t rc_funcs;
rc_funcs.create_model = rc_create_model;
rc_funcs.send_firstpass_stats = rc_send_firstpass_stats;
rc_funcs.get_encodeframe_decision = rc_get_encodeframe_decision;
rc_funcs.update_encodeframe_result = rc_update_encodeframe_result;
rc_funcs.delete_model = rc_delete_model;
rc_funcs.priv = reinterpret_cast<void *>(PrivMagicNumber);
encoder->Control(VP9E_SET_EXTERNAL_RATE_CONTROL, &rc_funcs);
}
}
};
TEST_F(ExtRateCtrlTest, EncodeTest) {
cfg_.rc_target_bitrate = 24000;
std::unique_ptr<libvpx_test::VideoSource> video;
video.reset(new (std::nothrow) libvpx_test::YUVVideoSource(
"bus_352x288_420_f20_b8.yuv", VPX_IMG_FMT_I420, 352, 288, 30, 1, 0,
kFrameNum));
ASSERT_NE(video.get(), nullptr);
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
}
} // namespace