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