X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdcp_video.cc;h=cacba190f87603dfa5d12a1a27c953229af959a5;hb=b6c780d3107557d452c6612d715d01e2be52dbda;hp=8ea5cec884a6db4de833e1bde8c1544679615f6b;hpb=cfdd68eb5fb0ef8423e860103ad4e5510994f1da;p=dcpomatic.git

diff --git a/src/lib/dcp_video.cc b/src/lib/dcp_video.cc
index 8ea5cec88..cacba190f 100644
--- a/src/lib/dcp_video.cc
+++ b/src/lib/dcp_video.cc
@@ -1,5 +1,6 @@
 /*
-    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
@@ -17,63 +18,322 @@
 
 */
 
+/** @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 <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::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::XYZFrame> xyz;
+
+	if (_frame->colour_conversion()) {
+		ColourConversion conversion = _frame->colour_conversion().get ();
+		shared_ptr<dcp::GammaLUT> in_lut = dcp::GammaLUT::cache.get (
+			12, conversion.input_gamma, conversion.input_gamma_linearised
+			);
+		
+		/* XXX: dcp 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] = conversion.matrix (i, j);
+			}
+		}
+		
+		xyz = dcp::rgb_to_xyz (
+			_frame->image (AV_PIX_FMT_RGB48LE, _burn_subtitles),
+			in_lut,
+			dcp::GammaLUT::cache.get (16, 1 / conversion.output_gamma, false),
+			matrix
+			);
+	} else {
+		xyz = dcp::xyz_to_xyz (_frame->image (AV_PIX_FMT_RGB48LE, _burn_subtitles));
+	}
+
+	/* 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 (&parameters);
+
+	/* Set default cinema parameters */
+	parameters.tile_size_on = false;
+	parameters.cp_tdx = 1;
+	parameters.cp_tdy = 1;
 	
-	Position<int> const container_offset ((_out_size.width - _inter_size.width) / 2, (_out_size.height - _inter_size.width) / 2);
+	/* 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;
 
-	if (_subtitle.image) {
-		out->alpha_blend (_subtitle.image, _subtitle.position);
+	/* 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;
+	
+	/* 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;
 
-	return out;
+	/* Setup the encoder parameters using the current image and user parameters */
+	opj_setup_encoder (cinfo, &parameters, 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"));
+	}
+
+	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;
+	}
+
+	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 */
+	string xml = doc.write_to_string ("UTF-8");
+	socket->write (xml.length() + 1);
+	socket->write ((uint8_t *) xml.c_str(), xml.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 ();
+}
+
+/** @return true if this DCPVideo is definitely the same as another;
+ *  (apart from the frame index), false if it is probably not.
+ */
+bool
+DCPVideo::same (shared_ptr<const DCPVideo> other) const
+{
+	if (_frames_per_second != other->_frames_per_second ||
+	    _j2k_bandwidth != other->_j2k_bandwidth ||
+	    _resolution != other->_resolution ||
+	    _burn_subtitles != other->_burn_subtitles) {
+		return false;
+	}
+
+	return _frame->same (other->_frame);
+}