test/altref_test.cc

   1 /*
   2  *  Copyright (c) 2012 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 "third_party/googletest/src/include/gtest/gtest.h"
  11 #include "test/codec_factory.h"
  12 #include "test/encode_test_driver.h"
  13 #include "test/i420_video_source.h"
  14 #include "test/util.h"
  15 namespace {
  16
  17 // lookahead range: [kLookAheadMin, kLookAheadMax).
  18 const int kLookAheadMin = 5;
  19 const int kLookAheadMax = 26;
  20
  21 class AltRefTest : public ::libvpx_test::EncoderTest,
  22     public ::libvpx_test::CodecTestWithParam<int> {
  23  protected:
  24   AltRefTest() : EncoderTest(GET_PARAM(0)), altref_count_(0) {}
  25   virtual ~AltRefTest() {}
  26
  27   virtual void SetUp() {
  28     InitializeConfig();
  29     SetMode(libvpx_test::kTwoPassGood);
  30   }
  31
  32   virtual void BeginPassHook(unsigned int pass) {
  33     altref_count_ = 0;
  34   }
  35
  36   virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
  37                                   libvpx_test::Encoder *encoder) {
  38     if (video->frame() == 1) {
  39       encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
  40       encoder->Control(VP8E_SET_CPUUSED, 3);
  41     }
  42   }
  43
  44   virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
  45     if (pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE) ++altref_count_;
  46   }
  47
  48   int altref_count() const { return altref_count_; }
  49
  50  private:
  51   int altref_count_;
  52 };
  53
  54 TEST_P(AltRefTest, MonotonicTimestamps) {
  55   const vpx_rational timebase = { 33333333, 1000000000 };
  56   cfg_.g_timebase = timebase;
  57   cfg_.rc_target_bitrate = 1000;
  58   cfg_.g_lag_in_frames = GET_PARAM(1);
  59
  60   libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
  61                                      timebase.den, timebase.num, 0, 30);
  62   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
  63   EXPECT_GE(altref_count(), 1);
  64 }
  65
  66
  67 VP8_INSTANTIATE_TEST_CASE(AltRefTest,
  68                           ::testing::Range(kLookAheadMin, kLookAheadMax));
  69 }  // namespace