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      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
     70