1 //#include "image_scroll_producer.h"
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3 //#include "image_loader.h"
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5 //#include "../../mixer/draw_frame.h"
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6 //#include "../../mixer/draw_frame.h"
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7 //#include "../../video_format.h"
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8 //#include "../../mixer/frame_mixer_device.h"
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9 //#include "../../configuration.h"
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11 //#include <tbb/parallel_for.h>
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12 //#include <tbb/parallel_invoke.h>
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13 //#include <tbb/scalable_allocator.h>
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15 //#include <boost/assign.hpp>
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16 //#include <boost/algorithm/string/case_conv.hpp>
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18 //using namespace boost::assign;
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20 //namespace caspar { namespace core { namespace image{
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24 // Up, Down, Left, Right
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27 //struct image_scroll_producer : public frame_producer
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29 // static const int DEFAULT_SCROLL_SPEED = 50;
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31 // image_scroll_producer(const std::wstring& filename, const std::vector<std::wstring>& params)
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32 // : speed_(image_scroll_producer::DEFAULT_SCROLL_SPEED), direction_(direction::Up), offset_(0), filename_(filename)
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34 // auto pos = filename.find_last_of(L'_');
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35 // if(pos != std::wstring::npos && pos + 1 < filename.size())
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37 // std::wstring speedStr = filename.substr(pos + 1);
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38 // pos = speedStr.find_first_of(L'.');
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39 // if(pos != std::wstring::npos)
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41 // speedStr = speedStr.substr(0, pos);
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42 // speed_ = lexical_cast_or_default<int>(speedStr, image_scroll_producer::DEFAULT_SCROLL_SPEED);
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46 // loop_ = std::find(params.begin(), params.end(), L"LOOP") != params.end();
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49 // void load_and_pad_image(const std::wstring& filename)
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51 // auto pBitmap = load_image(filename);
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53 // size_t width = FreeImage_GetWidth(pBitmap.get());
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54 // size_t height = FreeImage_GetHeight(pBitmap.get());
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56 // image_width_ = std::max(width, format_desc_.width);
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57 // image_height_ = std::max(height, format_desc_.height);
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59 // image_ = std::shared_ptr<unsigned char>(static_cast<unsigned char*>(scalable_aligned_malloc(image_width_*image_height_*4, 16)));
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60 // std::fill_n(image_.get(), image_width_*image_height_*4, 0);
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62 // unsigned char* pBits = FreeImage_GetBits(pBitmap.get());
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64 // for (size_t i = 0; i < height; ++i)
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65 // std::copy_n(&pBits[i* width * 4], width * 4, &image_.get()[i * image_width_ * 4]);
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68 // draw_frame do_receive()
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70 // auto frame = frame_factory_->create_frame(format_desc_.width, format_desc_.height);
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71 // std::fill(frame.image_data().begin(), frame.image_data().end(), 0);
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73 // const int delta_x = direction_ == direction::Left ? speed_ : -speed_;
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74 // const int delta_y = direction_ == direction::Up ? speed_ : -speed_;
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76 // unsigned char* frame_data = frame.image_data().begin();
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77 // unsigned char* image_data = image_.get();
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79 // if (direction_ == direction::Up || direction_ == direction::Down)
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81 // tbb::parallel_for(static_cast<size_t>(0), format_desc_.height, static_cast<size_t>(1), [&](size_t i)
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83 // int srcRow = i + offset_;
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84 // int dstInxex = i * format_desc_.width * 4;
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85 // int srcIndex = srcRow * format_desc_.width * 4;
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86 // int size = format_desc_.width * 4;
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88 // std::copy_n(&image_data[srcIndex], size, &frame_data[dstInxex]);
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91 // offset_ += delta_y;
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95 // tbb::parallel_for(static_cast<size_t>(0), format_desc_.height, static_cast<size_t>(1), [&](size_t i)
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97 // int correctOffset = offset_;
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98 // int dstIndex = i * format_desc_.width * 4;
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99 // int srcIndex = (i * image_width_ + correctOffset) * 4;
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101 // int stopOffset = std::min<int>(correctOffset + format_desc_ .width, image_width_);
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102 // int size = (stopOffset - correctOffset) * 4;
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104 // std::copy_n(&image_data[srcIndex], size, &frame_data[dstIndex]);
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107 // offset_ += delta_x;
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110 // return std::move(frame);
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113 // safe_ptr<draw_frame> receive()
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115 // if(format_desc_.mode != video_mode::progressive)
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117 // draw_frame frame1;
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118 // draw_frame frame2;
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119 // tbb::parallel_invoke([&]{ frame1 = std::move(do_receive()); }, [&]{ frame2 = std::move(do_receive()); });
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120 // return draw_frame::interlace(std::move(frame1), std::move(frame2), format_desc_.mode);
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123 // return receive();
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126 // void initialize(const safe_ptr<frame_factory>& frame_factory)
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128 // frame_factory_ = frame_factory;
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129 // format_desc_ = frame_factory_->get_video_format_desc();
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131 // if(image_width_ - format_desc_.width > image_height_ - format_desc_.height)
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132 // direction_ = speed_ < 0 ? direction::Right : direction::Left;
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134 // direction_ = speed_ < 0 ? direction::Down : direction::Up;
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136 // if (direction_ == direction::Down)
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137 // offset_ = image_height_ - format_desc_.height;
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138 // else if (direction_ == direction::Right)
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139 // offset_ = image_width_ - format_desc_.width;
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141 // speed_ = static_cast<int>(abs(static_cast<double>(speed_) / format_desc_.fps));
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143 // load_and_pad_image(filename_);
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147 // std::wstring print() const
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149 // return L"image_scroll_producer. filename: " + filename_;
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152 // const video_format_desc& get_video_format_desc() const { return format_desc_; }
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154 // int image_width_;
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155 // int image_height_;
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158 // direction direction_;
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160 // tbb::atomic<bool> loop_;
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161 // std::shared_ptr<unsigned char> image_;
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162 // video_format_desc format_desc_;
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164 // std::wstring filename_;
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166 // safe_ptr<frame_mixer_device> frame_factory_;
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169 //safe_ptr<frame_producer> create_image_scroll_producer(const std::vector<std::wstring>& params)
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171 // static const std::vector<std::wstring> extensions = list_of(L"spng")(L"stga")(L"sbmp")(L"sjpg")(L"sjpeg");
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172 // std::wstring filename = configuration::media_folder() + L"\\" + params[0];
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174 // auto ext = std::find_if(extensions.begin(), extensions.end(), [&](const std::wstring& ex) -> bool
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176 // return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename).replace_extension(ex));
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179 // if(ext == extensions.end())
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182 // return std::make_shared<image_scroll_producer>(filename + L"." + *ext, params);
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projects / casparcg / blob