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 <climits>
11 #include <tuple>
12
13 #include "third_party/googletest/src/include/gtest/gtest.h"
14 #include "test/codec_factory.h"
15 #include "test/encode_test_driver.h"
16 #include "test/i420_video_source.h"
17 #include "test/util.h"
18
19 namespace {
20
21 const int kTestMode = 0;
22
23 typedef std::tuple<libvpx_test::TestMode, int> SuperframeTestParam;
24
25 class SuperframeTest
26 : public ::libvpx_test::EncoderTest,
27 public ::libvpx_test::CodecTestWithParam<SuperframeTestParam> {
28 protected:
SuperframeTest()29 SuperframeTest()
30 : EncoderTest(GET_PARAM(0)), modified_buf_(NULL), last_sf_pts_(0) {}
~SuperframeTest()31 virtual ~SuperframeTest() {}
32
SetUp()33 virtual void SetUp() {
34 InitializeConfig();
35 const SuperframeTestParam input = GET_PARAM(1);
36 const libvpx_test::TestMode mode = std::get<kTestMode>(input);
37 SetMode(mode);
38 sf_count_ = 0;
39 sf_count_max_ = INT_MAX;
40 }
41
TearDown()42 virtual void TearDown() { delete[] modified_buf_; }
43
PreEncodeFrameHook(libvpx_test::VideoSource * video,libvpx_test::Encoder * encoder)44 virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
45 libvpx_test::Encoder *encoder) {
46 if (video->frame() == 0) {
47 encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
48 }
49 }
50
MutateEncoderOutputHook(const vpx_codec_cx_pkt_t * pkt)51 virtual const vpx_codec_cx_pkt_t *MutateEncoderOutputHook(
52 const vpx_codec_cx_pkt_t *pkt) {
53 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return pkt;
54
55 const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
56 const uint8_t marker = buffer[pkt->data.frame.sz - 1];
57 const int frames = (marker & 0x7) + 1;
58 const int mag = ((marker >> 3) & 3) + 1;
59 const unsigned int index_sz = 2 + mag * frames;
60 if ((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
61 buffer[pkt->data.frame.sz - index_sz] == marker) {
62 // frame is a superframe. strip off the index.
63 if (modified_buf_) delete[] modified_buf_;
64 modified_buf_ = new uint8_t[pkt->data.frame.sz - index_sz];
65 memcpy(modified_buf_, pkt->data.frame.buf, pkt->data.frame.sz - index_sz);
66 modified_pkt_ = *pkt;
67 modified_pkt_.data.frame.buf = modified_buf_;
68 modified_pkt_.data.frame.sz -= index_sz;
69
70 sf_count_++;
71 last_sf_pts_ = pkt->data.frame.pts;
72 return &modified_pkt_;
73 }
74
75 // Make sure we do a few frames after the last SF
76 abort_ |=
77 sf_count_ > sf_count_max_ && pkt->data.frame.pts - last_sf_pts_ >= 5;
78 return pkt;
79 }
80
81 int sf_count_;
82 int sf_count_max_;
83 vpx_codec_cx_pkt_t modified_pkt_;
84 uint8_t *modified_buf_;
85 vpx_codec_pts_t last_sf_pts_;
86 };
87
TEST_P(SuperframeTest,TestSuperframeIndexIsOptional)88 TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {
89 sf_count_max_ = 0; // early exit on successful test.
90 cfg_.g_lag_in_frames = 25;
91
92 ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
93 30, 1, 0, 40);
94 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
95 EXPECT_EQ(sf_count_, 1);
96 }
97
98 VP9_INSTANTIATE_TEST_CASE(
99 SuperframeTest,
100 ::testing::Combine(::testing::Values(::libvpx_test::kTwoPassGood),
101 ::testing::Values(0)));
102 } // namespace
103