cpu_speed_test.cc 4.64 KB
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/*
 *  Copyright (c) 2012 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 "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/util.h"
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#include "test/y4m_video_source.h"
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namespace {

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const int kMaxPSNR = 100;

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class CpuSpeedTest
    : public ::libvpx_test::EncoderTest,
      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
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 protected:
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  CpuSpeedTest()
      : EncoderTest(GET_PARAM(0)),
        encoding_mode_(GET_PARAM(1)),
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        set_cpu_used_(GET_PARAM(2)),
        min_psnr_(kMaxPSNR) {}
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  virtual ~CpuSpeedTest() {}
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  virtual void SetUp() {
    InitializeConfig();
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    SetMode(encoding_mode_);
    if (encoding_mode_ != ::libvpx_test::kRealTime) {
      cfg_.g_lag_in_frames = 25;
      cfg_.rc_end_usage = VPX_VBR;
    } else {
      cfg_.g_lag_in_frames = 0;
      cfg_.rc_end_usage = VPX_CBR;
    }
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  }

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  virtual void BeginPassHook(unsigned int /*pass*/) {
    min_psnr_ = kMaxPSNR;
  }

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

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  virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
    if (pkt->data.psnr.psnr[0] < min_psnr_)
      min_psnr_ = pkt->data.psnr.psnr[0];
  }

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  ::libvpx_test::TestMode encoding_mode_;
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  int set_cpu_used_;
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  double min_psnr_;
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};

TEST_P(CpuSpeedTest, TestQ0) {
  // Validate that this non multiple of 64 wide clip encodes and decodes
  // without a mismatch when passing in a very low max q.  This pushes
  // the encoder to producing lots of big partitions which will likely
  // extend into the border and test the border condition.
  cfg_.rc_2pass_vbr_minsection_pct = 5;
  cfg_.rc_2pass_vbr_minsection_pct = 2000;
  cfg_.rc_target_bitrate = 400;
  cfg_.rc_max_quantizer = 0;
  cfg_.rc_min_quantizer = 0;

  ::libvpx_test::I420VideoSource video("hantro_odd.yuv", 208, 144, 30, 1, 0,
                                       20);

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  init_flags_ = VPX_CODEC_USE_PSNR;

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  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
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  EXPECT_GE(min_psnr_, kMaxPSNR);
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}

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TEST_P(CpuSpeedTest, TestScreencastQ0) {
  ::libvpx_test::Y4mVideoSource video("screendata.y4m", 0, 25);
  cfg_.g_timebase = video.timebase();
  cfg_.rc_2pass_vbr_minsection_pct = 5;
  cfg_.rc_2pass_vbr_minsection_pct = 2000;
  cfg_.rc_target_bitrate = 400;
  cfg_.rc_max_quantizer = 0;
  cfg_.rc_min_quantizer = 0;

  init_flags_ = VPX_CODEC_USE_PSNR;

  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
  EXPECT_GE(min_psnr_, kMaxPSNR);
}
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TEST_P(CpuSpeedTest, TestEncodeHighBitrate) {
  // Validate that this non multiple of 64 wide clip encodes and decodes
  // without a mismatch when passing in a very low max q.  This pushes
  // the encoder to producing lots of big partitions which will likely
  // extend into the border and test the border condition.
  cfg_.rc_2pass_vbr_minsection_pct = 5;
  cfg_.rc_2pass_vbr_minsection_pct = 2000;
  cfg_.rc_target_bitrate = 12000;
  cfg_.rc_max_quantizer = 10;
  cfg_.rc_min_quantizer = 0;

  ::libvpx_test::I420VideoSource video("hantro_odd.yuv", 208, 144, 30, 1, 0,
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                                       20);
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  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
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TEST_P(CpuSpeedTest, TestLowBitrate) {
  // Validate that this clip encodes and decodes without a mismatch
  // when passing in a very high min q.  This pushes the encoder to producing
  // lots of small partitions which might will test the other condition.
  cfg_.rc_2pass_vbr_minsection_pct = 5;
  cfg_.rc_2pass_vbr_minsection_pct = 2000;
  cfg_.rc_target_bitrate = 200;
  cfg_.rc_min_quantizer = 40;

  ::libvpx_test::I420VideoSource video("hantro_odd.yuv", 208, 144, 30, 1, 0,
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                                       20);
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  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}

VP9_INSTANTIATE_TEST_CASE(
    CpuSpeedTest,
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    ::testing::Values(::libvpx_test::kTwoPassGood, ::libvpx_test::kOnePassGood,
                      ::libvpx_test::kRealTime),
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    ::testing::Range(0, 9));
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}  // namespace