diff options
Diffstat (limited to 'media/libvpx/libvpx/test/vp9_ethread_test.cc')
-rw-r--r-- | media/libvpx/libvpx/test/vp9_ethread_test.cc | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/vp9_ethread_test.cc b/media/libvpx/libvpx/test/vp9_ethread_test.cc new file mode 100644 index 0000000000..238366cb60 --- /dev/null +++ b/media/libvpx/libvpx/test/vp9_ethread_test.cc @@ -0,0 +1,429 @@ +/* + * 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); + ASSERT_NE(firstpass_stats_.buf, nullptr); + 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 |