/* *  Copyright (c) 2015 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 <algorithm>#include "third_party/googletest/src/include/gtest/gtest.h"#include "test/codec_factory.h"#include "test/encode_test_driver.h"#include "test/util.h"#include "test/y4m_video_source.h" namespace { // Check if any pixel in a 16x16 macroblock varies between frames.int CheckMb(const vpx_image_t &current, const vpx_image_t &previous, int mb_r,            int mb_c) {  for (int plane = 0; plane < 3; plane++) {    int r = 16 * mb_r;    int c0 = 16 * mb_c;    int r_top = std::min(r + 16, static_cast<int>(current.d_h));    int c_top = std::min(c0 + 16, static_cast<int>(current.d_w));    r = std::max(r, 0);    c0 = std::max(c0, 0);    if (plane > 0 && current.x_chroma_shift) {      c_top = (c_top + 1) >> 1;      c0 >>= 1;    }    if (plane > 0 && current.y_chroma_shift) {      r_top = (r_top + 1) >> 1;      r >>= 1;    }    for (; r < r_top; ++r) {      for (int c = c0; c < c_top; ++c) {        if (current.planes[plane][current.stride[plane] * r + c] !=            previous.planes[plane][previous.stride[plane] * r + c]) {          return 1;        }      }    }  }  return 0;} void GenerateMap(int mb_rows, int mb_cols, const vpx_image_t &current,                 const vpx_image_t &previous, uint8_t *map) {  for (int mb_r = 0; mb_r < mb_rows; ++mb_r) {    for (int mb_c = 0; mb_c < mb_cols; ++mb_c) {      map[mb_r * mb_cols + mb_c] = CheckMb(current, previous, mb_r, mb_c);    }  }} const int kAqModeCyclicRefresh = 3; class ActiveMapRefreshTest    : public ::libvpx_test::EncoderTest,      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> { protected:  ActiveMapRefreshTest() : EncoderTest(GET_PARAM(0)) {}  virtual ~ActiveMapRefreshTest() {}   virtual void SetUp() {    InitializeConfig();    SetMode(GET_PARAM(1));    cpu_used_ = GET_PARAM(2);  }   virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,                                  ::libvpx_test::Encoder *encoder) {    ::libvpx_test::Y4mVideoSource *y4m_video =        static_cast<libvpx_test::Y4mVideoSource *>(video);    if (video->frame() == 0) {      encoder->Control(VP8E_SET_CPUUSED, cpu_used_);      encoder->Control(VP9E_SET_AQ_MODE, kAqModeCyclicRefresh);    } else if (video->frame() >= 2 && video->img()) {      vpx_image_t *current = video->img();      vpx_image_t *previous = y4m_holder_->img();      ASSERT_TRUE(previous != NULL);      vpx_active_map_t map = vpx_active_map_t();      const int width = static_cast<int>(current->d_w);      const int height = static_cast<int>(current->d_h);      const int mb_width = (width + 15) / 16;      const int mb_height = (height + 15) / 16;      uint8_t *active_map = new uint8_t[mb_width * mb_height];      GenerateMap(mb_height, mb_width, *current, *previous, active_map);      map.cols = mb_width;      map.rows = mb_height;      map.active_map = active_map;      encoder->Control(VP8E_SET_ACTIVEMAP, &map);      delete[] active_map;    }    if (video->img()) {      y4m_video->SwapBuffers(y4m_holder_);    }  }   int cpu_used_;  ::libvpx_test::Y4mVideoSource *y4m_holder_;}; TEST_P(ActiveMapRefreshTest, Test) {  cfg_.g_lag_in_frames = 0;  cfg_.g_profile = 1;  cfg_.rc_target_bitrate = 600;  cfg_.rc_resize_allowed = 0;  cfg_.rc_min_quantizer = 8;  cfg_.rc_max_quantizer = 30;  cfg_.g_pass = VPX_RC_ONE_PASS;  cfg_.rc_end_usage = VPX_CBR;  cfg_.kf_max_dist = 90000;   ::libvpx_test::Y4mVideoSource video("desktop_credits.y4m", 0, 30);  ::libvpx_test::Y4mVideoSource video_holder("desktop_credits.y4m", 0, 30);  video_holder.Begin();  y4m_holder_ = &video_holder;   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));} VP9_INSTANTIATE_TEST_SUITE(ActiveMapRefreshTest,                           ::testing::Values(::libvpx_test::kRealTime),                           ::testing::Range(5, 6));}  // namespace