decode_perf_test.cc 8.68 KB
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/*
 *  Copyright (c) 2013 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.
 */

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#include <string>
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#include "test/codec_factory.h"
#include "test/decode_test_driver.h"
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#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
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#include "test/ivf_video_source.h"
#include "test/md5_helper.h"
#include "test/util.h"
#include "test/webm_video_source.h"
#include "vpx_ports/vpx_timer.h"
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#include "./ivfenc.h"
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#include "./vpx_version.h"

using std::tr1::make_tuple;

namespace {

#define VIDEO_NAME 0
#define THREADS 1

const double kUsecsInSec = 1000000.0;
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const char kNewEncodeOutputFile[] = "new_encode.ivf";
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/*
 DecodePerfTest takes a tuple of filename + number of threads to decode with
 */
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typedef std::tr1::tuple<const char *, unsigned> DecodePerfParam;
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const DecodePerfParam kVP9DecodePerfVectors[] = {
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  make_tuple("vp90-2-bbb_426x240_tile_1x1_180kbps.webm", 1),
  make_tuple("vp90-2-bbb_640x360_tile_1x2_337kbps.webm", 2),
  make_tuple("vp90-2-bbb_854x480_tile_1x2_651kbps.webm", 2),
  make_tuple("vp90-2-bbb_1280x720_tile_1x4_1310kbps.webm", 4),
  make_tuple("vp90-2-bbb_1920x1080_tile_1x1_2581kbps.webm", 1),
  make_tuple("vp90-2-bbb_1920x1080_tile_1x4_2586kbps.webm", 4),
  make_tuple("vp90-2-bbb_1920x1080_tile_1x4_fpm_2304kbps.webm", 4),
  make_tuple("vp90-2-sintel_426x182_tile_1x1_171kbps.webm", 1),
  make_tuple("vp90-2-sintel_640x272_tile_1x2_318kbps.webm", 2),
  make_tuple("vp90-2-sintel_854x364_tile_1x2_621kbps.webm", 2),
  make_tuple("vp90-2-sintel_1280x546_tile_1x4_1257kbps.webm", 4),
  make_tuple("vp90-2-sintel_1920x818_tile_1x4_fpm_2279kbps.webm", 4),
  make_tuple("vp90-2-tos_426x178_tile_1x1_181kbps.webm", 1),
  make_tuple("vp90-2-tos_640x266_tile_1x2_336kbps.webm", 2),
  make_tuple("vp90-2-tos_854x356_tile_1x2_656kbps.webm", 2),
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  make_tuple("vp90-2-tos_854x356_tile_1x2_fpm_546kbps.webm", 2),
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  make_tuple("vp90-2-tos_1280x534_tile_1x4_1306kbps.webm", 4),
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  make_tuple("vp90-2-tos_1280x534_tile_1x4_fpm_952kbps.webm", 4),
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  make_tuple("vp90-2-tos_1920x800_tile_1x4_fpm_2335kbps.webm", 4),
};

/*
 In order to reflect real world performance as much as possible, Perf tests
 *DO NOT* do any correctness checks. Please run them alongside correctness
 tests to ensure proper codec integrity. Furthermore, in this test we
 deliberately limit the amount of system calls we make to avoid OS
 preemption.

 TODO(joshualitt) create a more detailed perf measurement test to collect
   power/temp/min max frame decode times/etc
 */

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class DecodePerfTest : public ::testing::TestWithParam<DecodePerfParam> {};
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TEST_P(DecodePerfTest, PerfTest) {
  const char *const video_name = GET_PARAM(VIDEO_NAME);
  const unsigned threads = GET_PARAM(THREADS);

  libvpx_test::WebMVideoSource video(video_name);
  video.Init();

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  vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
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  cfg.threads = threads;
  libvpx_test::VP9Decoder decoder(cfg, 0);

  vpx_usec_timer t;
  vpx_usec_timer_start(&t);

  for (video.Begin(); video.cxdata() != NULL; video.Next()) {
    decoder.DecodeFrame(video.cxdata(), video.frame_size());
  }

  vpx_usec_timer_mark(&t);
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  const double elapsed_secs = double(vpx_usec_timer_elapsed(&t)) / kUsecsInSec;
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  const unsigned frames = video.frame_number();
  const double fps = double(frames) / elapsed_secs;

  printf("{\n");
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  printf("\t\"type\" : \"decode_perf_test\",\n");
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  printf("\t\"version\" : \"%s\",\n", VERSION_STRING_NOSP);
  printf("\t\"videoName\" : \"%s\",\n", video_name);
  printf("\t\"threadCount\" : %u,\n", threads);
  printf("\t\"decodeTimeSecs\" : %f,\n", elapsed_secs);
  printf("\t\"totalFrames\" : %u,\n", frames);
  printf("\t\"framesPerSecond\" : %f\n", fps);
  printf("}\n");
}

INSTANTIATE_TEST_CASE_P(VP9, DecodePerfTest,
                        ::testing::ValuesIn(kVP9DecodePerfVectors));

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class VP9NewEncodeDecodePerfTest
    : public ::libvpx_test::EncoderTest,
      public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
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 protected:
  VP9NewEncodeDecodePerfTest()
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      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)), speed_(0),
        outfile_(0), out_frames_(0) {}
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  virtual ~VP9NewEncodeDecodePerfTest() {}

  virtual void SetUp() {
    InitializeConfig();
    SetMode(encoding_mode_);

    cfg_.g_lag_in_frames = 25;
    cfg_.rc_min_quantizer = 2;
    cfg_.rc_max_quantizer = 56;
    cfg_.rc_dropframe_thresh = 0;
    cfg_.rc_undershoot_pct = 50;
    cfg_.rc_overshoot_pct = 50;
    cfg_.rc_buf_sz = 1000;
    cfg_.rc_buf_initial_sz = 500;
    cfg_.rc_buf_optimal_sz = 600;
    cfg_.rc_resize_allowed = 0;
    cfg_.rc_end_usage = VPX_VBR;
  }

  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
                                  ::libvpx_test::Encoder *encoder) {
    if (video->frame() == 1) {
      encoder->Control(VP8E_SET_CPUUSED, speed_);
      encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING, 1);
      encoder->Control(VP9E_SET_TILE_COLUMNS, 2);
    }
  }

  virtual void BeginPassHook(unsigned int /*pass*/) {
    const std::string data_path = getenv("LIBVPX_TEST_DATA_PATH");
    const std::string path_to_source = data_path + "/" + kNewEncodeOutputFile;
    outfile_ = fopen(path_to_source.c_str(), "wb");
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    ASSERT_TRUE(outfile_ != NULL);
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  }

  virtual void EndPassHook() {
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    if (outfile_ != NULL) {
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      if (!fseek(outfile_, 0, SEEK_SET)) {
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        ivf_write_file_header(outfile_, &cfg_, VP9_FOURCC, out_frames_);
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      }
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      fclose(outfile_);
      outfile_ = NULL;
    }
  }

  virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
    ++out_frames_;

    // Write initial file header if first frame.
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    if (pkt->data.frame.pts == 0) {
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      ivf_write_file_header(outfile_, &cfg_, VP9_FOURCC, out_frames_);
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    }
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    // Write frame header and data.
    ivf_write_frame_header(outfile_, out_frames_, pkt->data.frame.sz);
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    ASSERT_EQ(fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_),
              pkt->data.frame.sz);
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  }

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  virtual bool DoDecode() const { return false; }
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  void set_speed(unsigned int speed) { speed_ = speed; }
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 private:
  libvpx_test::TestMode encoding_mode_;
  uint32_t speed_;
  FILE *outfile_;
  uint32_t out_frames_;
};

struct EncodePerfTestVideo {
  EncodePerfTestVideo(const char *name_, uint32_t width_, uint32_t height_,
                      uint32_t bitrate_, int frames_)
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      : name(name_), width(width_), height(height_), bitrate(bitrate_),
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        frames(frames_) {}
  const char *name;
  uint32_t width;
  uint32_t height;
  uint32_t bitrate;
  int frames;
};

const EncodePerfTestVideo kVP9EncodePerfTestVectors[] = {
  EncodePerfTestVideo("niklas_1280_720_30.yuv", 1280, 720, 600, 470),
};

TEST_P(VP9NewEncodeDecodePerfTest, PerfTest) {
  SetUp();

  // TODO(JBB): Make this work by going through the set of given files.
  const int i = 0;
  const vpx_rational timebase = { 33333333, 1000000000 };
  cfg_.g_timebase = timebase;
  cfg_.rc_target_bitrate = kVP9EncodePerfTestVectors[i].bitrate;

  init_flags_ = VPX_CODEC_USE_PSNR;

  const char *video_name = kVP9EncodePerfTestVectors[i].name;
  libvpx_test::I420VideoSource video(
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      video_name, kVP9EncodePerfTestVectors[i].width,
      kVP9EncodePerfTestVectors[i].height, timebase.den, timebase.num, 0,
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      kVP9EncodePerfTestVectors[i].frames);
  set_speed(2);

  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

  const uint32_t threads = 4;

  libvpx_test::IVFVideoSource decode_video(kNewEncodeOutputFile);
  decode_video.Init();

  vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
  cfg.threads = threads;
  libvpx_test::VP9Decoder decoder(cfg, 0);

  vpx_usec_timer t;
  vpx_usec_timer_start(&t);

  for (decode_video.Begin(); decode_video.cxdata() != NULL;
       decode_video.Next()) {
    decoder.DecodeFrame(decode_video.cxdata(), decode_video.frame_size());
  }

  vpx_usec_timer_mark(&t);
  const double elapsed_secs =
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      static_cast<double>(vpx_usec_timer_elapsed(&t)) / kUsecsInSec;
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  const unsigned decode_frames = decode_video.frame_number();
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  const double fps = static_cast<double>(decode_frames) / elapsed_secs;
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  printf("{\n");
  printf("\t\"type\" : \"decode_perf_test\",\n");
  printf("\t\"version\" : \"%s\",\n", VERSION_STRING_NOSP);
  printf("\t\"videoName\" : \"%s\",\n", kNewEncodeOutputFile);
  printf("\t\"threadCount\" : %u,\n", threads);
  printf("\t\"decodeTimeSecs\" : %f,\n", elapsed_secs);
  printf("\t\"totalFrames\" : %u,\n", decode_frames);
  printf("\t\"framesPerSecond\" : %f\n", fps);
  printf("}\n");
}

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VP9_INSTANTIATE_TEST_CASE(VP9NewEncodeDecodePerfTest,
                          ::testing::Values(::libvpx_test::kTwoPassGood));
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}  // namespace