/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Taken from code Copyright (C) 2010-2011 Terrence Meiczinger
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
+/** @file src/dcp_video_frame.cc
+ * @brief A single frame of video destined for a DCP.
+ *
+ * Given an Image and some settings, this class knows how to encode
+ * the image to J2K either on the local host or on a remote server.
+ *
+ * Objects of this class are used for the queue that we keep
+ * of images that require encoding.
+ */
+
+#include <stdint.h>
+#include <cstring>
+#include <cstdlib>
+#include <stdexcept>
+#include <cstdio>
+#include <iomanip>
+#include <sstream>
+#include <iostream>
+#include <fstream>
+#include <unistd.h>
+#include <errno.h>
+#include <boost/array.hpp>
+#include <boost/asio.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/lexical_cast.hpp>
+#include <dcp/gamma_lut.h>
+#include <dcp/xyz_frame.h>
+#include <dcp/rgb_xyz.h>
+#include <dcp/colour_matrix.h>
+#include <dcp/raw_convert.h>
+#include <libcxml/cxml.h>
+#include "film.h"
#include "dcp_video.h"
+#include "config.h"
+#include "exceptions.h"
+#include "server.h"
+#include "util.h"
+#include "scaler.h"
#include "image.h"
+#include "log.h"
+#include "cross.h"
+#include "player_video.h"
+#include "encoded_data.h"
+#define LOG_GENERAL(...) _log->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
+
+#include "i18n.h"
+
+using std::string;
+using std::stringstream;
+using std::cout;
using boost::shared_ptr;
+using boost::lexical_cast;
+using dcp::Size;
+using dcp::raw_convert;
-/** From ContentVideo:
- * @param in Image.
- * @param eyes Eye(s) that the Image is for.
- *
- * From Content:
- * @param crop Crop to apply.
- * @param inter_size
- * @param out_size
- * @param scaler Scaler to use.
- * @param conversion Colour conversion to use.
- *
- * @param time DCP time.
+#define DCI_COEFFICENT (48.0 / 52.37)
+
+/** Construct a DCP video frame.
+ * @param frame Input frame.
+ * @param index Index of the frame within the DCP.
+ * @param bw J2K bandwidth to use (see Config::j2k_bandwidth ())
+ * @param l Log to write to.
*/
DCPVideo::DCPVideo (
- shared_ptr<const Image> in,
- Eyes eyes,
- Crop crop,
- dcp::Size inter_size,
- dcp::Size out_size,
- Scaler const * scaler,
- ColourConversion conversion,
- DCPTime time
+ shared_ptr<const PlayerVideo> frame, int index, int dcp_fps, int bw, Resolution r, bool b, shared_ptr<Log> l
)
- : _in (in)
- , _eyes (eyes)
- , _crop (crop)
- , _inter_size (inter_size)
- , _out_size (out_size)
- , _scaler (scaler)
- , _conversion (conversion)
- , _time (time)
+ : _frame (frame)
+ , _index (index)
+ , _frames_per_second (dcp_fps)
+ , _j2k_bandwidth (bw)
+ , _resolution (r)
+ , _burn_subtitles (b)
+ , _log (l)
{
-
+
}
-void
-DCPVideo::set_subtitle (PositionImage s)
+DCPVideo::DCPVideo (shared_ptr<const PlayerVideo> frame, shared_ptr<const cxml::Node> node, shared_ptr<Log> log)
+ : _frame (frame)
+ , _log (log)
{
- _subtitle = s;
+ _index = node->number_child<int> ("Index");
+ _frames_per_second = node->number_child<int> ("FramesPerSecond");
+ _j2k_bandwidth = node->number_child<int> ("J2KBandwidth");
+ _resolution = Resolution (node->optional_number_child<int>("Resolution").get_value_or (RESOLUTION_2K));
+ _burn_subtitles = node->bool_child ("BurnSubtitles");
}
-shared_ptr<Image>
-DCPVideo::image (AVPixelFormat format, bool aligned) const
+/** J2K-encode this frame on the local host.
+ * @return Encoded data.
+ */
+shared_ptr<EncodedData>
+DCPVideo::encode_locally ()
{
- shared_ptr<Image> out = _in->crop_scale_window (_crop, _inter_size, _out_size, _scaler, format, aligned);
+ shared_ptr<dcp::GammaLUT> in_lut = dcp::GammaLUT::cache.get (
+ 12, _frame->colour_conversion().input_gamma, _frame->colour_conversion().input_gamma_linearised
+ );
+
+ /* XXX: libdcp should probably use boost */
+
+ double matrix[3][3];
+ for (int i = 0; i < 3; ++i) {
+ for (int j = 0; j < 3; ++j) {
+ matrix[i][j] = _frame->colour_conversion().matrix (i, j);
+ }
+ }
+
+ shared_ptr<dcp::XYZFrame> xyz = dcp::rgb_to_xyz (
+ _frame->image (_burn_subtitles),
+ in_lut,
+ dcp::GammaLUT::cache.get (16, 1 / _frame->colour_conversion().output_gamma, false),
+ matrix
+ );
+
+ /* Set the max image and component sizes based on frame_rate */
+ int max_cs_len = ((float) _j2k_bandwidth) / 8 / _frames_per_second;
+ if (_frame->eyes() == EYES_LEFT || _frame->eyes() == EYES_RIGHT) {
+ /* In 3D we have only half the normal bandwidth per eye */
+ max_cs_len /= 2;
+ }
+ int const max_comp_size = max_cs_len / 1.25;
+
+ /* get a J2K compressor handle */
+ opj_cinfo_t* cinfo = opj_create_compress (CODEC_J2K);
+ if (cinfo == 0) {
+ throw EncodeError (N_("could not create JPEG2000 encoder"));
+ }
+
+ /* Set encoding parameters to default values */
+ opj_cparameters_t parameters;
+ opj_set_default_encoder_parameters (¶meters);
+
+ /* Set default cinema parameters */
+ parameters.tile_size_on = false;
+ parameters.cp_tdx = 1;
+ parameters.cp_tdy = 1;
+
+ /* Tile part */
+ parameters.tp_flag = 'C';
+ parameters.tp_on = 1;
+
+ /* Tile and Image shall be at (0,0) */
+ parameters.cp_tx0 = 0;
+ parameters.cp_ty0 = 0;
+ parameters.image_offset_x0 = 0;
+ parameters.image_offset_y0 = 0;
+
+ /* Codeblock size = 32x32 */
+ parameters.cblockw_init = 32;
+ parameters.cblockh_init = 32;
+ parameters.csty |= 0x01;
+
+ /* The progression order shall be CPRL */
+ parameters.prog_order = CPRL;
+
+ /* No ROI */
+ parameters.roi_compno = -1;
+
+ parameters.subsampling_dx = 1;
+ parameters.subsampling_dy = 1;
+
+ /* 9-7 transform */
+ parameters.irreversible = 1;
+
+ parameters.tcp_rates[0] = 0;
+ parameters.tcp_numlayers++;
+ parameters.cp_disto_alloc = 1;
+ parameters.cp_rsiz = _resolution == RESOLUTION_2K ? CINEMA2K : CINEMA4K;
+ if (_resolution == RESOLUTION_4K) {
+ parameters.numpocs = 2;
+ parameters.POC[0].tile = 1;
+ parameters.POC[0].resno0 = 0;
+ parameters.POC[0].compno0 = 0;
+ parameters.POC[0].layno1 = 1;
+ parameters.POC[0].resno1 = parameters.numresolution - 1;
+ parameters.POC[0].compno1 = 3;
+ parameters.POC[0].prg1 = CPRL;
+ parameters.POC[1].tile = 1;
+ parameters.POC[1].resno0 = parameters.numresolution - 1;
+ parameters.POC[1].compno0 = 0;
+ parameters.POC[1].layno1 = 1;
+ parameters.POC[1].resno1 = parameters.numresolution;
+ parameters.POC[1].compno1 = 3;
+ parameters.POC[1].prg1 = CPRL;
+ }
+
+ parameters.cp_comment = strdup (N_("DCP-o-matic"));
+ parameters.cp_cinema = _resolution == RESOLUTION_2K ? CINEMA2K_24 : CINEMA4K_24;
+
+ /* 3 components, so use MCT */
+ parameters.tcp_mct = 1;
- Position<int> const container_offset ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.width) / 2);
+ /* set max image */
+ parameters.max_comp_size = max_comp_size;
+ parameters.tcp_rates[0] = ((float) (3 * xyz->size().width * xyz->size().height * 12)) / (max_cs_len * 8);
+
+ /* Set event manager to null (openjpeg 1.3 bug) */
+ cinfo->event_mgr = 0;
+
+ /* Setup the encoder parameters using the current image and user parameters */
+ opj_setup_encoder (cinfo, ¶meters, xyz->opj_image ());
+
+ opj_cio_t* cio = opj_cio_open ((opj_common_ptr) cinfo, 0, 0);
+ if (cio == 0) {
+ opj_destroy_compress (cinfo);
+ throw EncodeError (N_("could not open JPEG2000 stream"));
+ }
+
+ int const r = opj_encode (cinfo, cio, xyz->opj_image(), 0);
+ if (r == 0) {
+ opj_cio_close (cio);
+ opj_destroy_compress (cinfo);
+ throw EncodeError (N_("JPEG2000 encoding failed"));
+ }
- if (_subtitle.image) {
- out->alpha_blend (_subtitle.image, _subtitle.position);
+ switch (_frame->eyes()) {
+ case EYES_BOTH:
+ LOG_GENERAL (N_("Finished locally-encoded frame %1 for mono"), _index);
+ break;
+ case EYES_LEFT:
+ LOG_GENERAL (N_("Finished locally-encoded frame %1 for L"), _index);
+ break;
+ case EYES_RIGHT:
+ LOG_GENERAL (N_("Finished locally-encoded frame %1 for R"), _index);
+ break;
+ default:
+ break;
}
- return out;
+ shared_ptr<EncodedData> enc (new LocallyEncodedData (cio->buffer, cio_tell (cio)));
+
+ opj_cio_close (cio);
+ free (parameters.cp_comment);
+ opj_destroy_compress (cinfo);
+
+ return enc;
+}
+
+/** Send this frame to a remote server for J2K encoding, then read the result.
+ * @param serv Server to send to.
+ * @return Encoded data.
+ */
+shared_ptr<EncodedData>
+DCPVideo::encode_remotely (ServerDescription serv)
+{
+ boost::asio::io_service io_service;
+ boost::asio::ip::tcp::resolver resolver (io_service);
+ boost::asio::ip::tcp::resolver::query query (serv.host_name(), raw_convert<string> (Config::instance()->server_port_base ()));
+ boost::asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve (query);
+
+ shared_ptr<Socket> socket (new Socket);
+
+ socket->connect (*endpoint_iterator);
+
+ /* Collect all XML metadata */
+ xmlpp::Document doc;
+ xmlpp::Element* root = doc.create_root_node ("EncodingRequest");
+ root->add_child("Version")->add_child_text (raw_convert<string> (SERVER_LINK_VERSION));
+ add_metadata (root);
+
+ LOG_GENERAL (N_("Sending frame %1 to remote"), _index);
+
+ /* Send XML metadata */
+ stringstream xml;
+ doc.write_to_stream (xml, "UTF-8");
+ socket->write (xml.str().length() + 1);
+ socket->write ((uint8_t *) xml.str().c_str(), xml.str().length() + 1);
+
+ /* Send binary data */
+ _frame->send_binary (socket, _burn_subtitles);
+
+ /* Read the response (JPEG2000-encoded data); this blocks until the data
+ is ready and sent back.
+ */
+ shared_ptr<EncodedData> e (new RemotelyEncodedData (socket->read_uint32 ()));
+ socket->read (e->data(), e->size());
+
+ LOG_GENERAL (N_("Finished remotely-encoded frame %1"), _index);
+
+ return e;
+}
+
+void
+DCPVideo::add_metadata (xmlpp::Element* el) const
+{
+ el->add_child("Index")->add_child_text (raw_convert<string> (_index));
+ el->add_child("FramesPerSecond")->add_child_text (raw_convert<string> (_frames_per_second));
+ el->add_child("J2KBandwidth")->add_child_text (raw_convert<string> (_j2k_bandwidth));
+ el->add_child("Resolution")->add_child_text (raw_convert<string> (int (_resolution)));
+ el->add_child("BurnSubtitles")->add_child_text (_burn_subtitles ? "1" : "0");
+ _frame->add_metadata (el, _burn_subtitles);
+}
+
+Eyes
+DCPVideo::eyes () const
+{
+ return _frame->eyes ();
}
projects / dcpomatic.git / blobdiff