#include <boost/asio.hpp>
#include <boost/filesystem.hpp>
#include <boost/lexical_cast.hpp>
+#include <libdcp/rec709_linearised_gamma_lut.h>
+#include <libdcp/srgb_linearised_gamma_lut.h>
+#include <libdcp/gamma_lut.h>
+#include <libdcp/xyz_frame.h>
+#include <libdcp/rgb_xyz.h>
+#include <libdcp/colour_matrix.h>
+#include <libcxml/cxml.h>
#include "film.h"
#include "dcp_video_frame.h"
-#include "lut.h"
#include "config.h"
-#include "options.h"
#include "exceptions.h"
#include "server.h"
#include "util.h"
#include "scaler.h"
#include "image.h"
#include "log.h"
-#include "subtitle.h"
+#include "cross.h"
+
+#include "i18n.h"
using std::string;
using std::stringstream;
-using std::ofstream;
+using std::cout;
using boost::shared_ptr;
+using boost::lexical_cast;
+using libdcp::Size;
+
+#define DCI_COEFFICENT (48.0 / 52.37)
/** Construct a DCP video frame.
* @param input Input image.
- * @param out Required size of output, in pixels (including any padding).
- * @param s Scaler to use.
- * @param p Number of pixels of padding either side of the image.
- * @param f Index of the frame within the Film.
- * @param fps Frames per second of the Film.
- * @param pp FFmpeg post-processing string to use.
- * @param clut Colour look-up table to use (see Config::colour_lut_index ())
+ * @param f Index of the frame within the DCP.
* @param bw J2K bandwidth to use (see Config::j2k_bandwidth ())
* @param l Log to write to.
*/
DCPVideoFrame::DCPVideoFrame (
- shared_ptr<const Image> yuv, shared_ptr<Subtitle> sub,
- libdcp::Size out, int p, int subtitle_offset, float subtitle_scale,
- Scaler const * s, SourceFrame f, float fps, string pp, int clut, int bw, Log* l
+ shared_ptr<const Image> image, int f, Eyes eyes, ColourConversion c, int dcp_fps, int bw, shared_ptr<Log> l
)
- : _input (yuv)
- , _subtitle (sub)
- , _out_size (out)
- , _padding (p)
- , _subtitle_offset (subtitle_offset)
- , _subtitle_scale (subtitle_scale)
- , _scaler (s)
+ : _image (image)
, _frame (f)
- , _frames_per_second (dcp_frame_rate(fps).frames_per_second)
- , _post_process (pp)
- , _colour_lut (clut)
+ , _eyes (eyes)
+ , _conversion (c)
+ , _frames_per_second (dcp_fps)
, _j2k_bandwidth (bw)
, _log (l)
- , _image (0)
- , _parameters (0)
- , _cinfo (0)
- , _cio (0)
{
}
-/** Create a libopenjpeg container suitable for our output image */
-void
-DCPVideoFrame::create_openjpeg_container ()
-{
- for (int i = 0; i < 3; ++i) {
- _cmptparm[i].dx = 1;
- _cmptparm[i].dy = 1;
- _cmptparm[i].w = _out_size.width;
- _cmptparm[i].h = _out_size.height;
- _cmptparm[i].x0 = 0;
- _cmptparm[i].y0 = 0;
- _cmptparm[i].prec = 12;
- _cmptparm[i].bpp = 12;
- _cmptparm[i].sgnd = 0;
- }
-
- _image = opj_image_create (3, &_cmptparm[0], CLRSPC_SRGB);
- if (_image == 0) {
- throw EncodeError ("could not create libopenjpeg image");
- }
-
- _image->x0 = 0;
- _image->y0 = 0;
- _image->x1 = _out_size.width;
- _image->y1 = _out_size.height;
-}
-
-DCPVideoFrame::~DCPVideoFrame ()
+DCPVideoFrame::DCPVideoFrame (shared_ptr<const Image> image, shared_ptr<const cxml::Node> node, shared_ptr<Log> log)
+ : _image (image)
+ , _log (log)
{
- if (_image) {
- opj_image_destroy (_image);
- }
-
- if (_cio) {
- opj_cio_close (_cio);
- }
-
- if (_cinfo) {
- opj_destroy_compress (_cinfo);
+ _frame = node->number_child<int> ("Frame");
+ string const eyes = node->string_child ("Eyes");
+ if (eyes == "Both") {
+ _eyes = EYES_BOTH;
+ } else if (eyes == "Left") {
+ _eyes = EYES_LEFT;
+ } else if (eyes == "Right") {
+ _eyes = EYES_RIGHT;
+ } else {
+ assert (false);
}
-
- if (_parameters) {
- free (_parameters->cp_comment);
- }
-
- delete _parameters;
+ _conversion = ColourConversion (node->node_child ("ColourConversion"));
+ _frames_per_second = node->number_child<int> ("FramesPerSecond");
+ _j2k_bandwidth = node->number_child<int> ("J2KBandwidth");
}
/** J2K-encode this frame on the local host.
shared_ptr<EncodedData>
DCPVideoFrame::encode_locally ()
{
- if (!_post_process.empty ()) {
- _input = _input->post_process (_post_process, true);
- }
-
- shared_ptr<Image> prepared = _input->scale_and_convert_to_rgb (_out_size, _padding, _scaler, true);
-
- if (_subtitle) {
- Rect tx = subtitle_transformed_area (
- float (_out_size.width) / _input->size().width,
- float (_out_size.height) / _input->size().height,
- _subtitle->area(), _subtitle_offset, _subtitle_scale
- );
-
- shared_ptr<Image> im = _subtitle->image()->scale (tx.size(), _scaler, true);
- prepared->alpha_blend (im, tx.position());
+ shared_ptr<libdcp::LUT> in_lut;
+ if (_conversion.input_gamma_linearised) {
+ in_lut = libdcp::SRGBLinearisedGammaLUT::cache.get (12, _conversion.input_gamma);
+ } else {
+ in_lut = libdcp::GammaLUT::cache.get (12, _conversion.input_gamma);
}
- create_openjpeg_container ();
-
- struct {
- double r, g, b;
- } s;
-
- struct {
- double x, y, z;
- } d;
-
- /* Copy our RGB into the openjpeg container, converting to XYZ in the process */
-
- int jn = 0;
- for (int y = 0; y < _out_size.height; ++y) {
- uint8_t* p = prepared->data()[0] + y * prepared->stride()[0];
- for (int x = 0; x < _out_size.width; ++x) {
-
- /* In gamma LUT (converting 8-bit input to 12-bit) */
- s.r = lut_in[_colour_lut][*p++ << 4];
- s.g = lut_in[_colour_lut][*p++ << 4];
- s.b = lut_in[_colour_lut][*p++ << 4];
-
- /* RGB to XYZ Matrix */
- d.x = ((s.r * color_matrix[_colour_lut][0][0]) +
- (s.g * color_matrix[_colour_lut][0][1]) +
- (s.b * color_matrix[_colour_lut][0][2]));
-
- d.y = ((s.r * color_matrix[_colour_lut][1][0]) +
- (s.g * color_matrix[_colour_lut][1][1]) +
- (s.b * color_matrix[_colour_lut][1][2]));
-
- d.z = ((s.r * color_matrix[_colour_lut][2][0]) +
- (s.g * color_matrix[_colour_lut][2][1]) +
- (s.b * color_matrix[_colour_lut][2][2]));
-
- /* DCI companding */
- d.x = d.x * DCI_COEFFICENT * (DCI_LUT_SIZE - 1);
- d.y = d.y * DCI_COEFFICENT * (DCI_LUT_SIZE - 1);
- d.z = d.z * DCI_COEFFICENT * (DCI_LUT_SIZE - 1);
-
- /* Out gamma LUT */
- _image->comps[0].data[jn] = lut_out[LO_DCI][(int) d.x];
- _image->comps[1].data[jn] = lut_out[LO_DCI][(int) d.y];
- _image->comps[2].data[jn] = lut_out[LO_DCI][(int) d.z];
-
- ++jn;
+ /* 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] = _conversion.matrix (i, j);
}
}
-
+
+ shared_ptr<libdcp::XYZFrame> xyz = libdcp::rgb_to_xyz (
+ _image,
+ in_lut,
+ libdcp::GammaLUT::cache.get (16, 1 / _conversion.output_gamma),
+ matrix
+ );
+
/* Set the max image and component sizes based on frame_rate */
- int const max_cs_len = ((float) _j2k_bandwidth) / 8 / _frames_per_second;
+ int max_cs_len = ((float) _j2k_bandwidth) / 8 / _frames_per_second;
+ if (_eyes == EYES_LEFT || _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 */
- _parameters = new opj_cparameters_t;
- opj_set_default_encoder_parameters (_parameters);
+ 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;
+ parameters.tile_size_on = false;
+ parameters.cp_tdx = 1;
+ parameters.cp_tdy = 1;
/* Tile part */
- _parameters->tp_flag = 'C';
- _parameters->tp_on = 1;
+ 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;
+ 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;
+ parameters.cblockw_init = 32;
+ parameters.cblockh_init = 32;
+ parameters.csty |= 0x01;
/* The progression order shall be CPRL */
- _parameters->prog_order = CPRL;
+ parameters.prog_order = CPRL;
/* No ROI */
- _parameters->roi_compno = -1;
+ parameters.roi_compno = -1;
- _parameters->subsampling_dx = 1;
- _parameters->subsampling_dy = 1;
+ parameters.subsampling_dx = 1;
+ parameters.subsampling_dy = 1;
/* 9-7 transform */
- _parameters->irreversible = 1;
+ parameters.irreversible = 1;
- _parameters->tcp_rates[0] = 0;
- _parameters->tcp_numlayers++;
- _parameters->cp_disto_alloc = 1;
- _parameters->cp_rsiz = CINEMA2K;
- _parameters->cp_comment = strdup ("DVD-o-matic");
- _parameters->cp_cinema = CINEMA2K_24;
+ parameters.tcp_rates[0] = 0;
+ parameters.tcp_numlayers++;
+ parameters.cp_disto_alloc = 1;
+ parameters.cp_rsiz = CINEMA2K;
+ parameters.cp_comment = strdup (N_("DCP-o-matic"));
+ parameters.cp_cinema = CINEMA2K_24;
/* 3 components, so use MCT */
- _parameters->tcp_mct = 1;
+ parameters.tcp_mct = 1;
/* set max image */
- _parameters->max_comp_size = max_comp_size;
- _parameters->tcp_rates[0] = ((float) (3 * _image->comps[0].w * _image->comps[0].h * _image->comps[0].prec)) / (max_cs_len * 8);
-
- /* get a J2K compressor handle */
- _cinfo = opj_create_compress (CODEC_J2K);
- if (_cinfo == 0) {
- throw EncodeError ("could not create JPEG2000 encoder");
- }
+ 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;
+ cinfo->event_mgr = 0;
/* Setup the encoder parameters using the current image and user parameters */
- opj_setup_encoder (_cinfo, _parameters, _image);
+ opj_setup_encoder (cinfo, ¶meters, xyz->opj_image ());
- _cio = opj_cio_open ((opj_common_ptr) _cinfo, 0, 0);
- if (_cio == 0) {
- throw EncodeError ("could not open JPEG2000 stream");
+ 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, _image, 0);
+ int const r = opj_encode (cinfo, cio, xyz->opj_image(), 0);
if (r == 0) {
- throw EncodeError ("JPEG2000 encoding failed");
+ opj_cio_close (cio);
+ opj_destroy_compress (cinfo);
+ throw EncodeError (N_("JPEG2000 encoding failed"));
}
- _log->log (String::compose ("Finished locally-encoded frame %1", _frame));
-
- return shared_ptr<EncodedData> (new LocallyEncodedData (_cio->buffer, cio_tell (_cio)));
+ switch (_eyes) {
+ case EYES_BOTH:
+ _log->log (String::compose (N_("Finished locally-encoded frame %1 for mono"), _frame));
+ break;
+ case EYES_LEFT:
+ _log->log (String::compose (N_("Finished locally-encoded frame %1 for L"), _frame));
+ break;
+ case EYES_RIGHT:
+ _log->log (String::compose (N_("Finished locally-encoded frame %1 for R"), _frame));
+ 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.
* @return Encoded data.
*/
shared_ptr<EncodedData>
-DCPVideoFrame::encode_remotely (ServerDescription const * serv)
+DCPVideoFrame::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(), boost::lexical_cast<string> (Config::instance()->server_port ()));
+ boost::asio::ip::tcp::resolver::query query (serv.host_name(), boost::lexical_cast<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, 30);
-
- stringstream s;
- s << "encode please\n"
- << "input_width " << _input->size().width << "\n"
- << "input_height " << _input->size().height << "\n"
- << "input_pixel_format " << _input->pixel_format() << "\n"
- << "output_width " << _out_size.width << "\n"
- << "output_height " << _out_size.height << "\n"
- << "padding " << _padding << "\n"
- << "subtitle_offset " << _subtitle_offset << "\n"
- << "subtitle_scale " << _subtitle_scale << "\n"
- << "scaler " << _scaler->id () << "\n"
- << "frame " << _frame << "\n"
- << "frames_per_second " << _frames_per_second << "\n";
-
- if (!_post_process.empty()) {
- s << "post_process " << _post_process << "\n";
- }
-
- s << "colour_lut " << _colour_lut << "\n"
- << "j2k_bandwidth " << _j2k_bandwidth << "\n";
-
- if (_subtitle) {
- s << "subtitle_x " << _subtitle->position().x << "\n"
- << "subtitle_y " << _subtitle->position().y << "\n"
- << "subtitle_width " << _subtitle->image()->size().width << "\n"
- << "subtitle_height " << _subtitle->image()->size().height << "\n";
- }
+ socket->connect (*endpoint_iterator);
+
+ xmlpp::Document doc;
+ xmlpp::Element* root = doc.create_root_node ("EncodingRequest");
+
+ root->add_child("Version")->add_child_text (lexical_cast<string> (SERVER_LINK_VERSION));
+ root->add_child("Width")->add_child_text (lexical_cast<string> (_image->size().width));
+ root->add_child("Height")->add_child_text (lexical_cast<string> (_image->size().height));
+ add_metadata (root);
+
+ stringstream xml;
+ doc.write_to_stream (xml, "UTF-8");
_log->log (String::compose (
- "Sending to remote; pixel format %1, components %2, lines (%3,%4,%5), line sizes (%6,%7,%8)",
- _input->pixel_format(), _input->components(),
- _input->lines(0), _input->lines(1), _input->lines(2),
- _input->line_size()[0], _input->line_size()[1], _input->line_size()[2]
+ N_("Sending to remote; pixel format %1, components %2, lines (%3,%4,%5), line sizes (%6,%7,%8)"),
+ _image->pixel_format(), _image->components(),
+ _image->lines(0), _image->lines(1), _image->lines(2),
+ _image->line_size()[0], _image->line_size()[1], _image->line_size()[2]
));
+
+ socket->write (xml.str().length() + 1);
+ socket->write ((uint8_t *) xml.str().c_str(), xml.str().length() + 1);
+
+ _image->write_to_socket (socket);
+
+ shared_ptr<EncodedData> e (new RemotelyEncodedData (socket->read_uint32 ()));
+ socket->read (e->data(), e->size());
+
+ _log->log (String::compose (N_("Finished remotely-encoded frame %1"), _frame));
- socket->write ((uint8_t *) s.str().c_str(), s.str().length() + 1, 30);
+ return e;
+}
- _input->write_to_socket (socket);
- if (_subtitle) {
- _subtitle->image()->write_to_socket (socket);
+void
+DCPVideoFrame::add_metadata (xmlpp::Element* el) const
+{
+ el->add_child("Frame")->add_child_text (lexical_cast<string> (_frame));
+
+ switch (_eyes) {
+ case EYES_BOTH:
+ el->add_child("Eyes")->add_child_text ("Both");
+ break;
+ case EYES_LEFT:
+ el->add_child("Eyes")->add_child_text ("Left");
+ break;
+ case EYES_RIGHT:
+ el->add_child("Eyes")->add_child_text ("Right");
+ break;
+ default:
+ assert (false);
}
+
+ _conversion.as_xml (el->add_child("ColourConversion"));
+
+ el->add_child("FramesPerSecond")->add_child_text (lexical_cast<string> (_frames_per_second));
+ el->add_child("J2KBandwidth")->add_child_text (lexical_cast<string> (_j2k_bandwidth));
+}
- char buffer[32];
- socket->read_indefinite ((uint8_t *) buffer, sizeof (buffer), 30);
- socket->consume (strlen (buffer) + 1);
- shared_ptr<EncodedData> e (new RemotelyEncodedData (atoi (buffer)));
+EncodedData::EncodedData (int s)
+ : _data (new uint8_t[s])
+ , _size (s)
+{
- /* now read the rest */
- socket->read_definite_and_consume (e->data(), e->size(), 30);
+}
- _log->log (String::compose ("Finished remotely-encoded frame %1", _frame));
+EncodedData::EncodedData (boost::filesystem::path file)
+{
+ _size = boost::filesystem::file_size (file);
+ _data = new uint8_t[_size];
+
+ FILE* f = fopen (file.string().c_str(), N_("rb"));
+ if (!f) {
+ throw FileError (_("could not open file for reading"), file);
+ }
- return e;
+ size_t const r = fread (_data, 1, _size, f);
+ if (r != size_t (_size)) {
+ fclose (f);
+ throw FileError (_("could not read encoded data"), file);
+ }
+
+ fclose (f);
+}
+
+
+EncodedData::~EncodedData ()
+{
+ delete[] _data;
}
/** Write this data to a J2K file.
- * @param opt Options.
- * @param frame Frame index.
+ * @param Film Film.
+ * @param frame DCP frame index.
*/
void
-EncodedData::write (shared_ptr<const EncodeOptions> opt, SourceFrame frame)
+EncodedData::write (shared_ptr<const Film> film, int frame, Eyes eyes) const
{
- string const tmp_j2k = opt->frame_out_path (frame, true);
+ boost::filesystem::path const tmp_j2c = film->j2c_path (frame, eyes, true);
- FILE* f = fopen (tmp_j2k.c_str (), "wb");
+ FILE* f = fopen (tmp_j2c.string().c_str (), N_("wb"));
if (!f) {
- throw WriteFileError (tmp_j2k, errno);
+ throw WriteFileError (tmp_j2c, errno);
}
fwrite (_data, 1, _size, f);
fclose (f);
- string const real_j2k = opt->frame_out_path (frame, false);
+ boost::filesystem::path const real_j2c = film->j2c_path (frame, eyes, false);
/* Rename the file from foo.j2c.tmp to foo.j2c now that it is complete */
- boost::filesystem::rename (tmp_j2k, real_j2k);
+ boost::filesystem::rename (tmp_j2c, real_j2c);
+}
- /* Write a file containing the hash */
- string const hash = opt->hash_out_path (frame, false);
- ofstream h (hash.c_str());
- h << md5_digest (_data, _size) << "\n";
- h.close ();
+void
+EncodedData::write_info (shared_ptr<const Film> film, int frame, Eyes eyes, libdcp::FrameInfo fin) const
+{
+ boost::filesystem::path const info = film->info_path (frame, eyes);
+ FILE* h = fopen_boost (info, "w");
+ fin.write (h);
+ fclose (h);
}
/** Send this data to a socket.
void
EncodedData::send (shared_ptr<Socket> socket)
{
- stringstream s;
- s << _size;
- socket->write ((uint8_t *) s.str().c_str(), s.str().length() + 1, 30);
- socket->write (_data, _size, 30);
+ socket->write (_size);
+ socket->write (_data, _size);
}
-/** @param s Size of data in bytes */
-RemotelyEncodedData::RemotelyEncodedData (int s)
- : EncodedData (new uint8_t[s], s)
+LocallyEncodedData::LocallyEncodedData (uint8_t* d, int s)
+ : EncodedData (s)
{
-
+ memcpy (_data, d, s);
}
-RemotelyEncodedData::~RemotelyEncodedData ()
+/** @param s Size of data in bytes */
+RemotelyEncodedData::RemotelyEncodedData (int s)
+ : EncodedData (s)
{
- delete[] _data;
+
}