1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <climits>
13 #include <vector>
14 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
15 #include "test/codec_factory.h"
16 #include "test/encode_test_driver.h"
17 #include "test/i420_video_source.h"
18 #include "test/util.h"
19
20 namespace {
21
22 const int kTestMode = 0;
23 const int kTileCols = 1;
24 const int kTileRows = 2;
25
26 typedef ::testing::tuple<libaom_test::TestMode, int, int> SuperframeTestParam;
27
28 class SuperframeTest
29 : public ::libaom_test::CodecTestWithParam<SuperframeTestParam>,
30 public ::libaom_test::EncoderTest {
31 protected:
SuperframeTest()32 SuperframeTest() : EncoderTest(GET_PARAM(0)), last_sf_pts_(0) {}
~SuperframeTest()33 virtual ~SuperframeTest() {}
34
SetUp()35 virtual void SetUp() {
36 InitializeConfig();
37 const SuperframeTestParam input = GET_PARAM(1);
38 const libaom_test::TestMode mode = ::testing::get<kTestMode>(input);
39 SetMode(mode);
40 sf_count_ = 0;
41 sf_count_max_ = INT_MAX;
42 n_tile_cols_ = ::testing::get<kTileCols>(input);
43 n_tile_rows_ = ::testing::get<kTileRows>(input);
44 }
45
PreEncodeFrameHook(libaom_test::VideoSource * video,libaom_test::Encoder * encoder)46 virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
47 libaom_test::Encoder *encoder) {
48 if (video->frame() == 1) {
49 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
50 encoder->Control(AOME_SET_CPUUSED, 2);
51 encoder->Control(AV1E_SET_TILE_COLUMNS, n_tile_cols_);
52 encoder->Control(AV1E_SET_TILE_ROWS, n_tile_rows_);
53 }
54 }
55
MutateEncoderOutputHook(const aom_codec_cx_pkt_t * pkt)56 virtual const aom_codec_cx_pkt_t *MutateEncoderOutputHook(
57 const aom_codec_cx_pkt_t *pkt) {
58 if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return pkt;
59
60 const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
61 const uint8_t marker = buffer[0];
62 const int frames = (marker & 0x7) + 1;
63 const int mag = ((marker >> 3) & 3) + 1;
64 const unsigned int index_sz = 2 + mag * (frames - 1);
65 if ((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
66 buffer[index_sz - 1] == marker) {
67 // frame is a superframe. strip off the index.
68 modified_buf_.resize(pkt->data.frame.sz - index_sz);
69 memcpy(&modified_buf_[0], (uint8_t *)pkt->data.frame.buf + index_sz,
70 pkt->data.frame.sz - index_sz);
71 modified_pkt_ = *pkt;
72 modified_pkt_.data.frame.buf = &modified_buf_[0];
73 modified_pkt_.data.frame.sz -= index_sz;
74
75 sf_count_++;
76 last_sf_pts_ = pkt->data.frame.pts;
77 return &modified_pkt_;
78 }
79
80 // Make sure we do a few frames after the last SF
81 abort_ |=
82 sf_count_ > sf_count_max_ && pkt->data.frame.pts - last_sf_pts_ >= 5;
83 return pkt;
84 }
85
86 int sf_count_;
87 int sf_count_max_;
88 aom_codec_cx_pkt_t modified_pkt_;
89 std::vector<uint8_t> modified_buf_;
90 aom_codec_pts_t last_sf_pts_;
91
92 private:
93 int n_tile_cols_;
94 int n_tile_rows_;
95 };
96
TEST_P(SuperframeTest,TestSuperframeIndexIsOptional)97 TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {
98 sf_count_max_ = 0; // early exit on successful test.
99 cfg_.g_lag_in_frames = 25;
100 cfg_.large_scale_tile = 1;
101 ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
102 30, 1, 0, 40);
103 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
104 // NOTE: The use of BWDREF_FRAME will enable the coding of more non-show
105 // frames besides ALTREF_FRAME.
106 EXPECT_GE(sf_count_, 1);
107 }
108
109 } // namespace
110