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:
AltRefTest()24 AltRefTest() : EncoderTest(GET_PARAM(0)), altref_count_(0) {}
~AltRefTest()25 virtual ~AltRefTest() {}
26
SetUp()27 virtual void SetUp() {
28 InitializeConfig();
29 SetMode(libvpx_test::kTwoPassGood);
30 }
31
BeginPassHook(unsigned int pass)32 virtual void BeginPassHook(unsigned int pass) {
33 altref_count_ = 0;
34 }
35
PreEncodeFrameHook(libvpx_test::VideoSource * video,libvpx_test::Encoder * encoder)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
FramePktHook(const vpx_codec_cx_pkt_t * pkt)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
altref_count() const48 int altref_count() const { return altref_count_; }
49
50 private:
51 int altref_count_;
52 };
53
TEST_P(AltRefTest,MonotonicTimestamps)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