2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
4 * This file is part of CasparCG (www.casparcg.com).
6 * CasparCG is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * CasparCG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
19 * Author: Robert Nagy, ronag89@gmail.com
22 #include "image_consumer.h"
24 #include <common/except.h>
25 #include <common/env.h>
26 #include <common/log.h>
27 #include <common/utf.h>
28 #include <common/array.h>
29 #include <common/future.h>
31 #include <core/consumer/frame_consumer.h>
32 #include <core/video_format.h>
33 #include <core/frame/frame.h>
35 #include <boost/date_time/posix_time/posix_time.hpp>
36 #include <boost/thread.hpp>
38 #include <tbb/concurrent_queue.h>
42 #include <FreeImage.h>
47 #include "../util/image_view.h"
49 namespace caspar { namespace image {
51 void write_cropped_png(
52 const core::const_frame& frame,
53 const core::video_format_desc& format_desc,
54 const boost::filesystem::wpath& output_file,
58 auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_Allocate(width, height, 32), FreeImage_Unload);
59 image_view<bgra_pixel> destination_view(FreeImage_GetBits(bitmap.get()), width, height);
60 image_view<bgra_pixel> complete_frame(const_cast<uint8_t*>(frame.image_data().begin()), format_desc.width, format_desc.height);
61 auto thumbnail_view = complete_frame.subview(0, 0, width, height);
63 std::copy(thumbnail_view.begin(), thumbnail_view.end(), destination_view.begin());
64 FreeImage_FlipVertical(bitmap.get());
65 FreeImage_SaveU(FIF_PNG, bitmap.get(), output_file.wstring().c_str(), 0);
68 struct image_consumer : public core::frame_consumer
70 core::monitor::subject monitor_subject_;
71 std::wstring filename_;
76 image_consumer(const std::wstring& filename)
81 void initialize(const core::video_format_desc&, int) override
85 boost::unique_future<bool> send(core::const_frame frame) override
87 auto filename = filename_;
89 boost::thread async([frame, filename]
93 auto filename2 = filename;
95 if (filename2.empty())
96 filename2 = env::media_folder() + boost::posix_time::to_iso_wstring(boost::posix_time::second_clock::local_time()) + L".png";
98 filename2 = env::media_folder() + filename2 + L".png";
100 auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_Allocate(static_cast<int>(frame.width()), static_cast<int>(frame.height()), 32), FreeImage_Unload);
101 A_memcpy(FreeImage_GetBits(bitmap.get()), frame.image_data().begin(), frame.image_data().size());
102 FreeImage_FlipVertical(bitmap.get());
103 FreeImage_SaveU(FIF_PNG, bitmap.get(), filename2.c_str(), 0);
107 CASPAR_LOG_CURRENT_EXCEPTION();
112 return wrap_as_future(false);
115 std::wstring print() const override
120 std::wstring name() const override
125 boost::property_tree::wptree info() const override
127 boost::property_tree::wptree info;
128 info.add(L"type", L"image");
132 int buffer_depth() const override
137 int index() const override
142 core::monitor::subject& monitor_output()
144 return monitor_subject_;
148 spl::shared_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params)
150 if (params.size() < 1 || params[0] != L"IMAGE")
151 return core::frame_consumer::empty();
153 std::wstring filename;
155 if (params.size() > 1)
156 filename = params[1];
158 return spl::make_shared<image_consumer>(filename);