ref: eb8226b903e105c6192b964ef732aac85b9fce94
dir: /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 = NULL; firstpass_stats_.sz = 0; } virtual ~VPxFirstPassEncoderThreadTest() { free(firstpass_stats_.buf); } virtual void SetUp() { InitializeConfig(); SetMode(encoding_mode_); cfg_.g_lag_in_frames = 3; 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) { EXPECT_LE(fabs(*frame_stats1 - *frame_stats2), fabs(*frame_stats1) / factor); 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. 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. 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_.g_lag_in_frames = 3; 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. // The first-pass stats are not bit exact here, but that difference doesn't // cause a mismatch between the final bitstreams. 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, 0.1); } INSTANTIATE_TEST_CASE_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_CASE_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, 9), // cpu_used ::testing::Range(0, 3), // tile_columns ::testing::Range(2, 5))); // threads INSTANTIATE_TEST_CASE_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