test/superframe_test.cc

   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 const int kTestMode = 0;
  20 const int kSuperframeSyntax = 1;
  21
  22 typedef std::tr1::tuple<libvpx_test::TestMode,int> SuperframeTestParam;
  23
  24 class SuperframeTest : public ::libvpx_test::EncoderTest,
  25     public ::libvpx_test::CodecTestWithParam<SuperframeTestParam> {
  26  protected:
  27   SuperframeTest() : EncoderTest(GET_PARAM(0)), modified_buf_(NULL),
  28       last_sf_pts_(0) {}
  29   virtual ~SuperframeTest() {}
  30
  31   virtual void SetUp() {
  32     InitializeConfig();
  33     const SuperframeTestParam input = GET_PARAM(1);
  34     const libvpx_test::TestMode mode = std::tr1::get<kTestMode>(input);
  35     const int syntax = std::tr1::get<kSuperframeSyntax>(input);
  36     SetMode(mode);
  37     sf_count_ = 0;
  38     sf_count_max_ = INT_MAX;
  39     is_vp10_style_superframe_ = syntax;
  40   }
  41
  42   virtual void TearDown() {
  43     delete[] modified_buf_;
  44   }
  45
  46   virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
  47                                   libvpx_test::Encoder *encoder) {
  48     if (video->frame() == 1) {
  49       encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
  50     }
  51   }
  52
  53   virtual const vpx_codec_cx_pkt_t * MutateEncoderOutputHook(
  54       const vpx_codec_cx_pkt_t *pkt) {
  55     if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
  56       return pkt;
  57
  58     const uint8_t *buffer = reinterpret_cast<uint8_t*>(pkt->data.frame.buf);
  59     const uint8_t marker = buffer[pkt->data.frame.sz - 1];
  60     const int frames = (marker & 0x7) + 1;
  61     const int mag = ((marker >> 3) & 3) + 1;
  62     const unsigned int index_sz =
  63         2 + mag * (frames - is_vp10_style_superframe_);
  64     if ((marker & 0xe0) == 0xc0 &&
  65         pkt->data.frame.sz >= index_sz &&
  66         buffer[pkt->data.frame.sz - index_sz] == marker) {
  67       // frame is a superframe. strip off the index.
  68       if (modified_buf_)
  69         delete[] modified_buf_;
  70       modified_buf_ = new uint8_t[pkt->data.frame.sz - index_sz];
  71       memcpy(modified_buf_, pkt->data.frame.buf,
  72              pkt->data.frame.sz - index_sz);
  73       modified_pkt_ = *pkt;
  74       modified_pkt_.data.frame.buf = modified_buf_;
  75       modified_pkt_.data.frame.sz -= index_sz;
  76
  77       sf_count_++;
  78       last_sf_pts_ = pkt->data.frame.pts;
  79       return &modified_pkt_;
  80     }
  81
  82     // Make sure we do a few frames after the last SF
  83     abort_ |= sf_count_ > sf_count_max_ &&
  84               pkt->data.frame.pts - last_sf_pts_ >= 5;
  85     return pkt;
  86   }
  87
  88   int is_vp10_style_superframe_;
  89   int sf_count_;
  90   int sf_count_max_;
  91   vpx_codec_cx_pkt_t modified_pkt_;
  92   uint8_t *modified_buf_;
  93   vpx_codec_pts_t last_sf_pts_;
  94 };
  95
  96 TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {
  97   sf_count_max_ = 0;  // early exit on successful test.
  98   cfg_.g_lag_in_frames = 25;
  99
 100   ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
 101                                        30, 1, 0, 40);
 102   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 103   EXPECT_EQ(sf_count_, 1);
 104 }
 105
 106 VP9_INSTANTIATE_TEST_CASE(SuperframeTest, ::testing::Combine(
 107     ::testing::Values(::libvpx_test::kTwoPassGood),
 108     ::testing::Values(0)));
 109
 110 VP10_INSTANTIATE_TEST_CASE(SuperframeTest, ::testing::Combine(
 111     ::testing::Values(::libvpx_test::kTwoPassGood),
 112     ::testing::Values(CONFIG_MISC_FIXES)));
 113 }  // namespace