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      1 /*
      2  *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 #include <string>
     11 #include "third_party/googletest/src/include/gtest/gtest.h"
     12 #include "./vpx_config.h"
     13 #include "./vpx_version.h"
     14 #include "test/codec_factory.h"
     15 #include "test/encode_test_driver.h"
     16 #include "test/i420_video_source.h"
     17 #include "test/util.h"
     18 #include "test/y4m_video_source.h"
     19 #include "vpx_ports/vpx_timer.h"
     20 
     21 namespace {
     22 
     23 const int kMaxPsnr = 100;
     24 const double kUsecsInSec = 1000000.0;
     25 
     26 struct EncodePerfTestVideo {
     27   EncodePerfTestVideo(const char *name_, uint32_t width_, uint32_t height_,
     28                       uint32_t bitrate_, int frames_)
     29       : name(name_), width(width_), height(height_), bitrate(bitrate_),
     30         frames(frames_) {}
     31   const char *name;
     32   uint32_t width;
     33   uint32_t height;
     34   uint32_t bitrate;
     35   int frames;
     36 };
     37 
     38 const EncodePerfTestVideo kVP9EncodePerfTestVectors[] = {
     39   EncodePerfTestVideo("desktop_640_360_30.yuv", 640, 360, 200, 2484),
     40   EncodePerfTestVideo("kirland_640_480_30.yuv", 640, 480, 200, 300),
     41   EncodePerfTestVideo("macmarcomoving_640_480_30.yuv", 640, 480, 200, 987),
     42   EncodePerfTestVideo("macmarcostationary_640_480_30.yuv", 640, 480, 200, 718),
     43   EncodePerfTestVideo("niklas_640_480_30.yuv", 640, 480, 200, 471),
     44   EncodePerfTestVideo("tacomanarrows_640_480_30.yuv", 640, 480, 200, 300),
     45   EncodePerfTestVideo("tacomasmallcameramovement_640_480_30.yuv", 640, 480, 200,
     46                       300),
     47   EncodePerfTestVideo("thaloundeskmtg_640_480_30.yuv", 640, 480, 200, 300),
     48   EncodePerfTestVideo("niklas_1280_720_30.yuv", 1280, 720, 600, 470),
     49 };
     50 
     51 const int kEncodePerfTestSpeeds[] = { 5, 6, 7, 8 };
     52 const int kEncodePerfTestThreads[] = { 1, 2, 4 };
     53 
     54 #define NELEMENTS(x) (sizeof((x)) / sizeof((x)[0]))
     55 
     56 class VP9EncodePerfTest
     57     : public ::libvpx_test::EncoderTest,
     58       public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
     59  protected:
     60   VP9EncodePerfTest()
     61       : EncoderTest(GET_PARAM(0)), min_psnr_(kMaxPsnr), nframes_(0),
     62         encoding_mode_(GET_PARAM(1)), speed_(0), threads_(1) {}
     63 
     64   virtual ~VP9EncodePerfTest() {}
     65 
     66   virtual void SetUp() {
     67     InitializeConfig();
     68     SetMode(encoding_mode_);
     69 
     70     cfg_.g_lag_in_frames = 0;
     71     cfg_.rc_min_quantizer = 2;
     72     cfg_.rc_max_quantizer = 56;
     73     cfg_.rc_dropframe_thresh = 0;
     74     cfg_.rc_undershoot_pct = 50;
     75     cfg_.rc_overshoot_pct = 50;
     76     cfg_.rc_buf_sz = 1000;
     77     cfg_.rc_buf_initial_sz = 500;
     78     cfg_.rc_buf_optimal_sz = 600;
     79     cfg_.rc_resize_allowed = 0;
     80     cfg_.rc_end_usage = VPX_CBR;
     81     cfg_.g_error_resilient = 1;
     82     cfg_.g_threads = threads_;
     83   }
     84 
     85   virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
     86                                   ::libvpx_test::Encoder *encoder) {
     87     if (video->frame() == 0) {
     88       const int log2_tile_columns = 3;
     89       encoder->Control(VP8E_SET_CPUUSED, speed_);
     90       encoder->Control(VP9E_SET_TILE_COLUMNS, log2_tile_columns);
     91       encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING, 1);
     92       encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 0);
     93     }
     94   }
     95 
     96   virtual void BeginPassHook(unsigned int /*pass*/) {
     97     min_psnr_ = kMaxPsnr;
     98     nframes_ = 0;
     99   }
    100 
    101   virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
    102     if (pkt->data.psnr.psnr[0] < min_psnr_) {
    103       min_psnr_ = pkt->data.psnr.psnr[0];
    104     }
    105   }
    106 
    107   // for performance reasons don't decode
    108   virtual bool DoDecode() const { return false; }
    109 
    110   double min_psnr() const { return min_psnr_; }
    111 
    112   void set_speed(unsigned int speed) { speed_ = speed; }
    113 
    114   void set_threads(unsigned int threads) { threads_ = threads; }
    115 
    116  private:
    117   double min_psnr_;
    118   unsigned int nframes_;
    119   libvpx_test::TestMode encoding_mode_;
    120   unsigned speed_;
    121   unsigned int threads_;
    122 };
    123 
    124 TEST_P(VP9EncodePerfTest, PerfTest) {
    125   for (size_t i = 0; i < NELEMENTS(kVP9EncodePerfTestVectors); ++i) {
    126     for (size_t j = 0; j < NELEMENTS(kEncodePerfTestSpeeds); ++j) {
    127       for (size_t k = 0; k < NELEMENTS(kEncodePerfTestThreads); ++k) {
    128         if (kVP9EncodePerfTestVectors[i].width < 512 &&
    129             kEncodePerfTestThreads[k] > 1) {
    130           continue;
    131         } else if (kVP9EncodePerfTestVectors[i].width < 1024 &&
    132                    kEncodePerfTestThreads[k] > 2) {
    133           continue;
    134         }
    135 
    136         set_threads(kEncodePerfTestThreads[k]);
    137         SetUp();
    138 
    139         const vpx_rational timebase = { 33333333, 1000000000 };
    140         cfg_.g_timebase = timebase;
    141         cfg_.rc_target_bitrate = kVP9EncodePerfTestVectors[i].bitrate;
    142 
    143         init_flags_ = VPX_CODEC_USE_PSNR;
    144 
    145         const unsigned frames = kVP9EncodePerfTestVectors[i].frames;
    146         const char *video_name = kVP9EncodePerfTestVectors[i].name;
    147         libvpx_test::I420VideoSource video(
    148             video_name, kVP9EncodePerfTestVectors[i].width,
    149             kVP9EncodePerfTestVectors[i].height, timebase.den, timebase.num, 0,
    150             kVP9EncodePerfTestVectors[i].frames);
    151         set_speed(kEncodePerfTestSpeeds[j]);
    152 
    153         vpx_usec_timer t;
    154         vpx_usec_timer_start(&t);
    155 
    156         ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
    157 
    158         vpx_usec_timer_mark(&t);
    159         const double elapsed_secs = vpx_usec_timer_elapsed(&t) / kUsecsInSec;
    160         const double fps = frames / elapsed_secs;
    161         const double minimum_psnr = min_psnr();
    162         std::string display_name(video_name);
    163         if (kEncodePerfTestThreads[k] > 1) {
    164           char thread_count[32];
    165           snprintf(thread_count, sizeof(thread_count), "_t-%d",
    166                    kEncodePerfTestThreads[k]);
    167           display_name += thread_count;
    168         }
    169 
    170         printf("{\n");
    171         printf("\t\"type\" : \"encode_perf_test\",\n");
    172         printf("\t\"version\" : \"%s\",\n", VERSION_STRING_NOSP);
    173         printf("\t\"videoName\" : \"%s\",\n", display_name.c_str());
    174         printf("\t\"encodeTimeSecs\" : %f,\n", elapsed_secs);
    175         printf("\t\"totalFrames\" : %u,\n", frames);
    176         printf("\t\"framesPerSecond\" : %f,\n", fps);
    177         printf("\t\"minPsnr\" : %f,\n", minimum_psnr);
    178         printf("\t\"speed\" : %d,\n", kEncodePerfTestSpeeds[j]);
    179         printf("\t\"threads\" : %d\n", kEncodePerfTestThreads[k]);
    180         printf("}\n");
    181       }
    182     }
    183   }
    184 }
    185 
    186 VP9_INSTANTIATE_TEST_CASE(VP9EncodePerfTest,
    187                           ::testing::Values(::libvpx_test::kRealTime));
    188 }  // namespace
    189