2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <dcp/raw_convert.h>
23 #include "image_proxy.h"
25 #include "exceptions.h"
31 #define LOG_TIMING(...) _log->microsecond_log (String::compose (__VA_ARGS__), Log::TYPE_TIMING);
35 using std::stringstream;
36 using boost::shared_ptr;
38 ImageProxy::ImageProxy (shared_ptr<Log> log)
44 RawImageProxy::RawImageProxy (shared_ptr<Image> image, shared_ptr<Log> log)
51 RawImageProxy::RawImageProxy (shared_ptr<cxml::Node> xml, shared_ptr<Socket> socket, shared_ptr<Log> log)
55 xml->number_child<int> ("Width"), xml->number_child<int> ("Height")
58 _image.reset (new Image (static_cast<AVPixelFormat> (xml->number_child<int> ("PixelFormat")), size, true));
59 _image->read_from_socket (socket);
63 RawImageProxy::image () const
69 RawImageProxy::add_metadata (xmlpp::Node* node) const
71 node->add_child("Type")->add_child_text (N_("Raw"));
72 node->add_child("Width")->add_child_text (dcp::raw_convert<string> (_image->size().width));
73 node->add_child("Height")->add_child_text (dcp::raw_convert<string> (_image->size().height));
74 node->add_child("PixelFormat")->add_child_text (dcp::raw_convert<string> (_image->pixel_format ()));
78 RawImageProxy::send_binary (shared_ptr<Socket> socket) const
80 _image->write_to_socket (socket);
83 MagickImageProxy::MagickImageProxy (boost::filesystem::path path, shared_ptr<Log> log)
86 /* Read the file into a Blob */
88 boost::uintmax_t const size = boost::filesystem::file_size (path);
89 FILE* f = fopen_boost (path, "rb");
91 throw OpenFileError (path);
94 uint8_t* data = new uint8_t[size];
95 if (fread (data, 1, size, f) != size) {
97 throw ReadFileError (path);
101 _blob.update (data, size);
105 MagickImageProxy::MagickImageProxy (shared_ptr<cxml::Node>, shared_ptr<Socket> socket, shared_ptr<Log> log)
108 uint32_t const size = socket->read_uint32 ();
109 uint8_t* data = new uint8_t[size];
110 socket->read (data, size);
111 _blob.update (data, size);
116 MagickImageProxy::image () const
122 LOG_TIMING ("[%1] MagickImageProxy begins decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
124 Magick::Image* magick_image = 0;
126 magick_image = new Magick::Image (_blob);
128 throw DecodeError (_("Could not decode image file"));
131 dcp::Size size (magick_image->columns(), magick_image->rows());
132 LOG_TIMING ("[%1] MagickImageProxy decode finished", boost::this_thread::get_id ());
134 _image.reset (new Image (PIX_FMT_RGB24, size, true));
136 /* Write line-by-line here as _image must be aligned, and write() cannot be told about strides */
137 uint8_t* p = _image->data()[0];
138 for (int i = 0; i < size.height; ++i) {
139 using namespace MagickCore;
140 magick_image->write (0, i, size.width, 1, "RGB", CharPixel, p);
141 p += _image->stride()[0];
146 LOG_TIMING ("[%1] MagickImageProxy completes decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
152 MagickImageProxy::add_metadata (xmlpp::Node* node) const
154 node->add_child("Type")->add_child_text (N_("Magick"));
158 MagickImageProxy::send_binary (shared_ptr<Socket> socket) const
160 socket->write (_blob.length ());
161 socket->write ((uint8_t *) _blob.data (), _blob.length ());
164 shared_ptr<ImageProxy>
165 image_proxy_factory (shared_ptr<cxml::Node> xml, shared_ptr<Socket> socket, shared_ptr<Log> log)
167 if (xml->string_child("Type") == N_("Raw")) {
168 return shared_ptr<ImageProxy> (new RawImageProxy (xml, socket, log));
169 } else if (xml->string_child("Type") == N_("Magick")) {
170 return shared_ptr<MagickImageProxy> (new MagickImageProxy (xml, socket, log));
173 throw NetworkError (_("Unexpected image type received by server"));