ref: d55682c2aadbca664727fde886d42d39f7cbb5cd
dir: libvpx/test/vp9_ethread_test.cc
/*
* Copyright (c) 2014 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 <string>
#include <vector>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/md5_helper.h"
#include "test/util.h"
#include "test/y4m_video_source.h"
#include "vp9/encoder/vp9_firstpass.h"
namespace {
// FIRSTPASS_STATS struct:
// {
// 25 double members;
// 1 int64_t member;
// }
// Whenever FIRSTPASS_STATS struct is modified, the following constants need to
// be revisited.
const int kDbl = 25;
const int kInt = 1;
const size_t kFirstPassStatsSz = kDbl * sizeof(double) + kInt * sizeof(int64_t);
class VPxFirstPassEncoderThreadTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
protected:
VPxFirstPassEncoderThreadTest()
: EncoderTest(GET_PARAM(0)), encoder_initialized_(false), tiles_(0),
encoding_mode_(GET_PARAM(1)), set_cpu_used_(GET_PARAM(2)) {
init_flags_ = VPX_CODEC_USE_PSNR;
row_mt_mode_ = 1;
first_pass_only_ = true;
firstpass_stats_.buf = nullptr;
firstpass_stats_.sz = 0;
}
virtual ~VPxFirstPassEncoderThreadTest() { free(firstpass_stats_.buf); }
virtual void SetUp() {
InitializeConfig();
SetMode(encoding_mode_);
cfg_.rc_end_usage = VPX_VBR;
cfg_.rc_2pass_vbr_minsection_pct = 5;
cfg_.rc_2pass_vbr_maxsection_pct = 2000;
cfg_.rc_max_quantizer = 56;
cfg_.rc_min_quantizer = 0;
}
virtual void BeginPassHook(unsigned int /*pass*/) {
encoder_initialized_ = false;
abort_ = false;
}
virtual void EndPassHook() {
// For first pass stats test, only run first pass encoder.
if (first_pass_only_ && cfg_.g_pass == VPX_RC_FIRST_PASS)
abort_ |= first_pass_only_;
}
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource * /*video*/,
::libvpx_test::Encoder *encoder) {
if (!encoder_initialized_) {
// Encode in 2-pass mode.
encoder->Control(VP9E_SET_TILE_COLUMNS, tiles_);
encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
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);
encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING, 0);
if (encoding_mode_ == ::libvpx_test::kTwoPassGood)
encoder->Control(VP9E_SET_ROW_MT, row_mt_mode_);
encoder_initialized_ = true;
}
}
virtual void StatsPktHook(const vpx_codec_cx_pkt_t *pkt) {
const uint8_t *const pkt_buf =
reinterpret_cast<uint8_t *>(pkt->data.twopass_stats.buf);
const size_t pkt_size = pkt->data.twopass_stats.sz;
// First pass stats size equals sizeof(FIRSTPASS_STATS)
EXPECT_EQ(pkt_size, kFirstPassStatsSz)
<< "Error: First pass stats size doesn't equal kFirstPassStatsSz";
firstpass_stats_.buf =
realloc(firstpass_stats_.buf, firstpass_stats_.sz + pkt_size);
memcpy((uint8_t *)firstpass_stats_.buf + firstpass_stats_.sz, pkt_buf,
pkt_size);
firstpass_stats_.sz += pkt_size;
}
bool encoder_initialized_;
int tiles_;
::libvpx_test::TestMode encoding_mode_;
int set_cpu_used_;
int row_mt_mode_;
bool first_pass_only_;
vpx_fixed_buf_t firstpass_stats_;
};
static void compare_fp_stats(vpx_fixed_buf_t *fp_stats, double factor) {
// fp_stats consists of 2 set of first pass encoding stats. These 2 set of
// stats are compared to check if the stats match or at least are very close.
FIRSTPASS_STATS *stats1 = reinterpret_cast<FIRSTPASS_STATS *>(fp_stats->buf);
int nframes_ = (int)(fp_stats->sz / sizeof(FIRSTPASS_STATS));
FIRSTPASS_STATS *stats2 = stats1 + nframes_ / 2;
int i, j;
// The total stats are also output and included in the first pass stats. Here
// ignore that in the comparison.
for (i = 0; i < (nframes_ / 2 - 1); ++i) {
const double *frame_stats1 = reinterpret_cast<double *>(stats1);
const double *frame_stats2 = reinterpret_cast<double *>(stats2);
for (j = 0; j < kDbl; ++j) {
ASSERT_LE(fabs(*frame_stats1 - *frame_stats2),
fabs(*frame_stats1) / factor)
<< "First failure @ frame #" << i << " stat #" << j << " ("
<< *frame_stats1 << " vs. " << *frame_stats2 << ")";
frame_stats1++;
frame_stats2++;
}
stats1++;
stats2++;
}
// Reset firstpass_stats_ to 0.
memset((uint8_t *)fp_stats->buf, 0, fp_stats->sz);
fp_stats->sz = 0;
}
static void compare_fp_stats_md5(vpx_fixed_buf_t *fp_stats) {
// fp_stats consists of 2 set of first pass encoding stats. These 2 set of
// stats are compared to check if the stats match.
uint8_t *stats1 = reinterpret_cast<uint8_t *>(fp_stats->buf);
uint8_t *stats2 = stats1 + fp_stats->sz / 2;
::libvpx_test::MD5 md5_row_mt_0, md5_row_mt_1;
md5_row_mt_0.Add(stats1, fp_stats->sz / 2);
const char *md5_row_mt_0_str = md5_row_mt_0.Get();
md5_row_mt_1.Add(stats2, fp_stats->sz / 2);
const char *md5_row_mt_1_str = md5_row_mt_1.Get();
// Check md5 match.
ASSERT_STREQ(md5_row_mt_0_str, md5_row_mt_1_str)
<< "MD5 checksums don't match";
// Reset firstpass_stats_ to 0.
memset((uint8_t *)fp_stats->buf, 0, fp_stats->sz);
fp_stats->sz = 0;
}
TEST_P(VPxFirstPassEncoderThreadTest, FirstPassStatsTest) {
::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
first_pass_only_ = true;
cfg_.rc_target_bitrate = 1000;
// Test row_mt_mode: 0 vs 1 at single thread case(threads = 1, tiles_ = 0)
tiles_ = 0;
cfg_.g_threads = 1;
row_mt_mode_ = 0;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
row_mt_mode_ = 1;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Compare to check if using or not using row-mt generates close stats.
ASSERT_NO_FATAL_FAILURE(compare_fp_stats(&firstpass_stats_, 1000.0));
// Test single thread vs multiple threads
row_mt_mode_ = 1;
tiles_ = 0;
cfg_.g_threads = 1;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
cfg_.g_threads = 4;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Compare to check if single-thread and multi-thread stats are close enough.
ASSERT_NO_FATAL_FAILURE(compare_fp_stats(&firstpass_stats_, 1000.0));
// Bit exact test in row_mt mode.
// When row_mt_mode_=1 and using >1 threads, the encoder generates bit exact
// result.
row_mt_mode_ = 1;
tiles_ = 2;
cfg_.g_threads = 2;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
cfg_.g_threads = 8;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Compare to check if stats match with row-mt=0/1.
compare_fp_stats_md5(&firstpass_stats_);
}
class VPxEncoderThreadTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith4Params<libvpx_test::TestMode, int,
int, int> {
protected:
VPxEncoderThreadTest()
: EncoderTest(GET_PARAM(0)), encoder_initialized_(false),
tiles_(GET_PARAM(3)), threads_(GET_PARAM(4)),
encoding_mode_(GET_PARAM(1)), set_cpu_used_(GET_PARAM(2)) {
init_flags_ = VPX_CODEC_USE_PSNR;
md5_.clear();
row_mt_mode_ = 1;
psnr_ = 0.0;
nframes_ = 0;
}
virtual ~VPxEncoderThreadTest() {}
virtual void SetUp() {
InitializeConfig();
SetMode(encoding_mode_);
if (encoding_mode_ != ::libvpx_test::kRealTime) {
cfg_.rc_end_usage = VPX_VBR;
cfg_.rc_2pass_vbr_minsection_pct = 5;
cfg_.rc_2pass_vbr_maxsection_pct = 2000;
} else {
cfg_.g_lag_in_frames = 0;
cfg_.rc_end_usage = VPX_CBR;
cfg_.g_error_resilient = 1;
}
cfg_.rc_max_quantizer = 56;
cfg_.rc_min_quantizer = 0;
}
virtual void BeginPassHook(unsigned int /*pass*/) {
encoder_initialized_ = false;
psnr_ = 0.0;
nframes_ = 0;
}
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource * /*video*/,
::libvpx_test::Encoder *encoder) {
if (!encoder_initialized_) {
// Encode 4 column tiles.
encoder->Control(VP9E_SET_TILE_COLUMNS, tiles_);
encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
if (encoding_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);
encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING, 0);
} else {
encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 0);
encoder->Control(VP9E_SET_AQ_MODE, 3);
}
encoder->Control(VP9E_SET_ROW_MT, row_mt_mode_);
encoder_initialized_ = true;
}
}
virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
psnr_ += pkt->data.psnr.psnr[0];
nframes_++;
}
virtual void DecompressedFrameHook(const vpx_image_t &img,
vpx_codec_pts_t /*pts*/) {
::libvpx_test::MD5 md5_res;
md5_res.Add(&img);
md5_.push_back(md5_res.Get());
}
virtual bool HandleDecodeResult(const vpx_codec_err_t res,
const libvpx_test::VideoSource & /*video*/,
libvpx_test::Decoder * /*decoder*/) {
if (res != VPX_CODEC_OK) {
EXPECT_EQ(VPX_CODEC_OK, res);
return false;
}
return true;
}
double GetAveragePsnr() const { return nframes_ ? (psnr_ / nframes_) : 0.0; }
bool encoder_initialized_;
int tiles_;
int threads_;
::libvpx_test::TestMode encoding_mode_;
int set_cpu_used_;
int row_mt_mode_;
double psnr_;
unsigned int nframes_;
std::vector<std::string> md5_;
};
TEST_P(VPxEncoderThreadTest, EncoderResultTest) {
::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 15, 20);
cfg_.rc_target_bitrate = 1000;
// Part 1: Bit exact test for row_mt_mode_ = 0.
// This part keeps original unit tests done before row-mt code is checked in.
row_mt_mode_ = 0;
// Encode using single thread.
cfg_.g_threads = 1;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const std::vector<std::string> single_thr_md5 = md5_;
md5_.clear();
// Encode using multiple threads.
cfg_.g_threads = threads_;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const std::vector<std::string> multi_thr_md5 = md5_;
md5_.clear();
// Compare to check if two vectors are equal.
ASSERT_EQ(single_thr_md5, multi_thr_md5);
// Part 2: row_mt_mode_ = 0 vs row_mt_mode_ = 1 single thread bit exact test.
row_mt_mode_ = 1;
// Encode using single thread
cfg_.g_threads = 1;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
std::vector<std::string> row_mt_single_thr_md5 = md5_;
md5_.clear();
ASSERT_EQ(single_thr_md5, row_mt_single_thr_md5);
// Part 3: Bit exact test with row-mt on
// When row_mt_mode_=1 and using >1 threads, the encoder generates bit exact
// result.
row_mt_mode_ = 1;
row_mt_single_thr_md5.clear();
// Encode using 2 threads.
cfg_.g_threads = 2;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
row_mt_single_thr_md5 = md5_;
md5_.clear();
// Encode using multiple threads.
cfg_.g_threads = threads_;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const std::vector<std::string> row_mt_multi_thr_md5 = md5_;
md5_.clear();
// Compare to check if two vectors are equal.
ASSERT_EQ(row_mt_single_thr_md5, row_mt_multi_thr_md5);
// Part 4: PSNR test with bit_match_mode_ = 0
row_mt_mode_ = 1;
// Encode using single thread.
cfg_.g_threads = 1;
init_flags_ = VPX_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const double single_thr_psnr = GetAveragePsnr();
// Encode using multiple threads.
cfg_.g_threads = threads_;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const double multi_thr_psnr = GetAveragePsnr();
EXPECT_NEAR(single_thr_psnr, multi_thr_psnr, 0.2);
}
INSTANTIATE_TEST_SUITE_P(
VP9, VPxFirstPassEncoderThreadTest,
::testing::Combine(
::testing::Values(
static_cast<const libvpx_test::CodecFactory *>(&libvpx_test::kVP9)),
::testing::Values(::libvpx_test::kTwoPassGood),
::testing::Range(0, 4))); // cpu_used
// Split this into two instantiations so that we can distinguish
// between very slow runs ( ie cpu_speed 0 ) vs ones that can be
// run nightly by adding Large to the title.
INSTANTIATE_TEST_SUITE_P(
VP9, VPxEncoderThreadTest,
::testing::Combine(
::testing::Values(
static_cast<const libvpx_test::CodecFactory *>(&libvpx_test::kVP9)),
::testing::Values(::libvpx_test::kTwoPassGood,
::libvpx_test::kOnePassGood,
::libvpx_test::kRealTime),
::testing::Range(3, 10), // cpu_used
::testing::Range(0, 3), // tile_columns
::testing::Range(2, 5))); // threads
INSTANTIATE_TEST_SUITE_P(
VP9Large, VPxEncoderThreadTest,
::testing::Combine(
::testing::Values(
static_cast<const libvpx_test::CodecFactory *>(&libvpx_test::kVP9)),
::testing::Values(::libvpx_test::kTwoPassGood,
::libvpx_test::kOnePassGood,
::libvpx_test::kRealTime),
::testing::Range(0, 3), // cpu_used
::testing::Range(0, 3), // tile_columns
::testing::Range(2, 5))); // threads
} // namespace