/* *  Copyright (c) 2012 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */#include <climits>#include <tuple> #include "third_party/googletest/src/include/gtest/gtest.h"#include "test/codec_factory.h"#include "test/encode_test_driver.h"#include "test/i420_video_source.h"#include "test/util.h" namespace { const int kTestMode = 0; typedef std::tuple<libvpx_test::TestMode, int> SuperframeTestParam; class SuperframeTest    : public ::libvpx_test::EncoderTest,      public ::libvpx_test::CodecTestWithParam<SuperframeTestParam> { protected:  SuperframeTest()      : EncoderTest(GET_PARAM(0)), modified_buf_(nullptr), last_sf_pts_(0) {}  virtual ~SuperframeTest() {}   virtual void SetUp() {    InitializeConfig();    const SuperframeTestParam input = GET_PARAM(1);    const libvpx_test::TestMode mode = std::get<kTestMode>(input);    SetMode(mode);    sf_count_ = 0;    sf_count_max_ = INT_MAX;  }   virtual void TearDown() { delete[] modified_buf_; }   virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,                                  libvpx_test::Encoder *encoder) {    if (video->frame() == 0) {      encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);    }  }   virtual const vpx_codec_cx_pkt_t *MutateEncoderOutputHook(      const vpx_codec_cx_pkt_t *pkt) {    if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return pkt;     const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);    const uint8_t marker = buffer[pkt->data.frame.sz - 1];    const int frames = (marker & 0x7) + 1;    const int mag = ((marker >> 3) & 3) + 1;    const unsigned int index_sz = 2 + mag * frames;    if ((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&        buffer[pkt->data.frame.sz - index_sz] == marker) {      // frame is a superframe. strip off the index.      if (modified_buf_) delete[] modified_buf_;      modified_buf_ = new uint8_t[pkt->data.frame.sz - index_sz];      memcpy(modified_buf_, pkt->data.frame.buf, pkt->data.frame.sz - index_sz);      modified_pkt_ = *pkt;      modified_pkt_.data.frame.buf = modified_buf_;      modified_pkt_.data.frame.sz -= index_sz;       sf_count_++;      last_sf_pts_ = pkt->data.frame.pts;      return &modified_pkt_;    }     // Make sure we do a few frames after the last SF    abort_ |=        sf_count_ > sf_count_max_ && pkt->data.frame.pts - last_sf_pts_ >= 5;    return pkt;  }   int sf_count_;  int sf_count_max_;  vpx_codec_cx_pkt_t modified_pkt_;  uint8_t *modified_buf_;  vpx_codec_pts_t last_sf_pts_;}; TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {  sf_count_max_ = 0;  // early exit on successful test.  cfg_.g_lag_in_frames = 25;   ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,                                       30, 1, 0, 40);  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));  EXPECT_EQ(sf_count_, 1);} VP9_INSTANTIATE_TEST_SUITE(    SuperframeTest,    ::testing::Combine(::testing::Values(::libvpx_test::kTwoPassGood),                       ::testing::Values(0)));}  // namespace