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