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"
15namespace {
16
17// lookahead range: [kLookAheadMin, kLookAheadMax).
18const int kLookAheadMin = 5;
19const int kLookAheadMax = 26;
20
21class 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
54TEST_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
67VP8_INSTANTIATE_TEST_CASE(AltRefTest,
68                          ::testing::Range(kLookAheadMin, kLookAheadMax));
69}  // namespace
70