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 <dcp/mono_picture_frame.h>
24 #include <dcp/stereo_picture_frame.h>
25 #include "image_proxy.h"
27 #include "exceptions.h"
33 #define LOG_TIMING(...) _log->microsecond_log (String::compose (__VA_ARGS__), Log::TYPE_TIMING);
37 using std::stringstream;
38 using boost::shared_ptr;
40 ImageProxy::ImageProxy (shared_ptr<Log> log)
46 RawImageProxy::RawImageProxy (shared_ptr<Image> image, shared_ptr<Log> log)
53 RawImageProxy::RawImageProxy (shared_ptr<cxml::Node> xml, shared_ptr<Socket> socket, shared_ptr<Log> log)
57 xml->number_child<int> ("Width"), xml->number_child<int> ("Height")
60 _image.reset (new Image (static_cast<AVPixelFormat> (xml->number_child<int> ("PixelFormat")), size, true));
61 _image->read_from_socket (socket);
65 RawImageProxy::image () const
71 RawImageProxy::add_metadata (xmlpp::Node* node) const
73 node->add_child("Type")->add_child_text (N_("Raw"));
74 node->add_child("Width")->add_child_text (dcp::raw_convert<string> (_image->size().width));
75 node->add_child("Height")->add_child_text (dcp::raw_convert<string> (_image->size().height));
76 node->add_child("PixelFormat")->add_child_text (dcp::raw_convert<string> (_image->pixel_format ()));
80 RawImageProxy::send_binary (shared_ptr<Socket> socket) const
82 _image->write_to_socket (socket);
85 MagickImageProxy::MagickImageProxy (boost::filesystem::path path, shared_ptr<Log> log)
88 /* Read the file into a Blob */
90 boost::uintmax_t const size = boost::filesystem::file_size (path);
91 FILE* f = fopen_boost (path, "rb");
93 throw OpenFileError (path);
96 uint8_t* data = new uint8_t[size];
97 if (fread (data, 1, size, f) != size) {
99 throw ReadFileError (path);
103 _blob.update (data, size);
107 MagickImageProxy::MagickImageProxy (shared_ptr<cxml::Node>, shared_ptr<Socket> socket, shared_ptr<Log> log)
110 uint32_t const size = socket->read_uint32 ();
111 uint8_t* data = new uint8_t[size];
112 socket->read (data, size);
113 _blob.update (data, size);
118 MagickImageProxy::image () const
124 LOG_TIMING ("[%1] MagickImageProxy begins decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
126 Magick::Image* magick_image = 0;
128 magick_image = new Magick::Image (_blob);
130 throw DecodeError (_("Could not decode image file"));
133 dcp::Size size (magick_image->columns(), magick_image->rows());
134 LOG_TIMING ("[%1] MagickImageProxy decode finished", boost::this_thread::get_id ());
136 _image.reset (new Image (PIX_FMT_RGB24, size, true));
138 /* Write line-by-line here as _image must be aligned, and write() cannot be told about strides */
139 uint8_t* p = _image->data()[0];
140 for (int i = 0; i < size.height; ++i) {
141 using namespace MagickCore;
142 magick_image->write (0, i, size.width, 1, "RGB", CharPixel, p);
143 p += _image->stride()[0];
148 LOG_TIMING ("[%1] MagickImageProxy completes decode and convert of %2 bytes", boost::this_thread::get_id(), _blob.length());
154 MagickImageProxy::add_metadata (xmlpp::Node* node) const
156 node->add_child("Type")->add_child_text (N_("Magick"));
160 MagickImageProxy::send_binary (shared_ptr<Socket> socket) const
162 socket->write (_blob.length ());
163 socket->write ((uint8_t *) _blob.data (), _blob.length ());
166 J2KImageProxy::J2KImageProxy (shared_ptr<const dcp::MonoPictureFrame> frame, dcp::Size size, shared_ptr<Log> log)
174 J2KImageProxy::J2KImageProxy (shared_ptr<const dcp::StereoPictureFrame> frame, dcp::Size size, dcp::Eye eye, shared_ptr<Log> log)
183 J2KImageProxy::J2KImageProxy (shared_ptr<cxml::Node> xml, shared_ptr<Socket> socket, shared_ptr<Log> log)
186 _size = dcp::Size (xml->number_child<int> ("Width"), xml->number_child<int> ("Height"));
187 if (xml->optional_number_child<int> ("Eye")) {
188 _eye = static_cast<dcp::Eye> (xml->number_child<int> ("Eye"));
189 int const left_size = xml->number_child<int> ("LeftSize");
190 int const right_size = xml->number_child<int> ("RightSize");
191 _stereo.reset (new dcp::StereoPictureFrame ());
192 socket->read (_stereo->left_j2k_data(), left_size);
193 socket->read (_stereo->right_j2k_data(), right_size);
195 int const size = xml->number_child<int> ("Size");
196 _mono.reset (new dcp::MonoPictureFrame ());
197 socket->read (_mono->j2k_data (), size);
202 J2KImageProxy::image ()
204 shared_ptr<Image> image (new Image (PIX_FMT_RGB24, _size, false));
207 _mono->rgb_frame (image->data()[0]);
209 _stereo->rgb_frame (image->data()[0], _eye);
212 return shared_ptr<Image> (new Image (image, true));
216 J2KImageProxy::add_metadata (xmlpp::Node* node) const
218 node->add_child("Width")->add_child_text (dcp::raw_convert<string> (_size.width));
219 node->add_child("Height")->add_child_text (dcp::raw_convert<string> (_size.height));
221 node->add_child("Eye")->add_child_text (dcp::raw_convert<string> (_eye));
222 node->add_child("LeftSize")->add_child_text (dcp::raw_convert<string> (_stereo->left_j2k_size ()));
223 node->add_child("RightSize")->add_child_text (dcp::raw_convert<string> (_stereo->right_j2k_size ()));
225 node->add_child("Size")->add_child_text (dcp::raw_convert<string> (_mono->j2k_size ()));
230 J2KImageProxy::send_binary (shared_ptr<Socket> socket) const
233 socket->write (_mono->j2k_data(), size);
235 socket->write (_stereo->left_j2k_data(), _stereo->left_j2k_size ());
236 socket->write (_stereo->right_j2k_data(), _stereo->right_j2k_size ());
240 shared_ptr<ImageProxy>
241 image_proxy_factory (shared_ptr<cxml::Node> xml, shared_ptr<Socket> socket, shared_ptr<Log> log)
243 if (xml->string_child("Type") == N_("Raw")) {
244 return shared_ptr<ImageProxy> (new RawImageProxy (xml, socket, log));
245 } else if (xml->string_child("Type") == N_("Magick")) {
246 return shared_ptr<MagickImageProxy> (new MagickImageProxy (xml, socket, log));
249 throw NetworkError (_("Unexpected image type received by server"));