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-rw-r--r--src/lib/make_mxf_job.cc251
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diff --git a/src/lib/make_mxf_job.cc b/src/lib/make_mxf_job.cc
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--- a/src/lib/make_mxf_job.cc
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-/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-/** @file src/make_mxf_job.cc
- * @brief A job that creates a MXF file from some data.
- */
-
-#include <iostream>
-#include <boost/filesystem.hpp>
-#include "AS_DCP.h"
-#include "KM_fileio.h"
-#include "make_mxf_job.h"
-#include "film.h"
-#include "film_state.h"
-#include "options.h"
-#include "exceptions.h"
-
-using namespace std;
-using namespace boost;
-
-/** @class MakeMXFJob
- * @brief A job that creates a MXF file from some data.
- */
-
-MakeMXFJob::MakeMXFJob (shared_ptr<const FilmState> s, shared_ptr<const Options> o, Log* l, Type t)
- : Job (s, o, l)
- , _type (t)
-{
-
-}
-
-string
-MakeMXFJob::name () const
-{
- stringstream s;
- switch (_type) {
- case VIDEO:
- s << "Make video MXF for " << _fs->name;
- break;
- case AUDIO:
- s << "Make audio MXF for " << _fs->name;
- break;
- }
-
- return s.str ();
-}
-
-void
-MakeMXFJob::run ()
-{
- set_progress (0);
-
- string dir;
- switch (_type) {
- case VIDEO:
- dir = _opt->frame_out_path ();
- break;
- case AUDIO:
- dir = _opt->multichannel_audio_out_path ();
- break;
- }
-
- list<string> files;
- for (filesystem::directory_iterator i = filesystem::directory_iterator (dir); i != filesystem::directory_iterator(); ++i) {
- files.push_back (filesystem::path (*i).string());
- }
-
- if (files.empty ()) {
- throw EncodeError ("no input files found for MXF");
- }
-
- files.sort ();
-
- switch (_type) {
- case VIDEO:
- j2k (files, _fs->file ("video.mxf"));
- break;
- case AUDIO:
- wav (files, _fs->file ("audio.mxf"));
- break;
- default:
- throw EncodeError ("unknown essence type");
- }
-
- set_progress (1);
-}
-
-void
-MakeMXFJob::wav (list<string> const & files, string const & mxf)
-{
- /* XXX: we round for DCP: not sure if this is right */
- ASDCP::Rational fps (rintf (_fs->frames_per_second), 1);
-
- ASDCP::PCM::WAVParser pcm_parser_channel[files.size()];
- if (pcm_parser_channel[0].OpenRead (files.front().c_str(), fps)) {
- throw EncodeError ("could not open WAV file for reading");
- }
-
- ASDCP::PCM::AudioDescriptor audio_desc;
- pcm_parser_channel[0].FillAudioDescriptor (audio_desc);
- audio_desc.ChannelCount = 0;
- audio_desc.BlockAlign = 0;
- audio_desc.EditRate = fps;
- audio_desc.AvgBps = audio_desc.AvgBps * files.size ();
-
- ASDCP::PCM::FrameBuffer frame_buffer_channel[files.size()];
- ASDCP::PCM::AudioDescriptor audio_desc_channel[files.size()];
-
- int j = 0;
- for (list<string>::const_iterator i = files.begin(); i != files.end(); ++i) {
-
- if (ASDCP_FAILURE (pcm_parser_channel[j].OpenRead (i->c_str(), fps))) {
- throw EncodeError ("could not open WAV file for reading");
- }
-
- pcm_parser_channel[j].FillAudioDescriptor (audio_desc_channel[j]);
- frame_buffer_channel[j].Capacity (ASDCP::PCM::CalcFrameBufferSize (audio_desc_channel[j]));
-
- audio_desc.ChannelCount += audio_desc_channel[j].ChannelCount;
- audio_desc.BlockAlign += audio_desc_channel[j].BlockAlign;
- ++j;
- }
-
- ASDCP::PCM::FrameBuffer frame_buffer;
- frame_buffer.Capacity (ASDCP::PCM::CalcFrameBufferSize (audio_desc));
- frame_buffer.Size (ASDCP::PCM::CalcFrameBufferSize (audio_desc));
-
- ASDCP::WriterInfo writer_info;
- fill_writer_info (&writer_info);
-
- ASDCP::PCM::MXFWriter mxf_writer;
- if (ASDCP_FAILURE (mxf_writer.OpenWrite (mxf.c_str(), writer_info, audio_desc))) {
- throw EncodeError ("could not open audio MXF for writing");
- }
-
- for (int i = 0; i < _fs->length; ++i) {
-
- byte_t *data_s = frame_buffer.Data();
- byte_t *data_e = data_s + frame_buffer.Capacity();
- byte_t sample_size = ASDCP::PCM::CalcSampleSize (audio_desc_channel[0]);
- int offset = 0;
-
- for (list<string>::size_type j = 0; j < files.size(); ++j) {
- memset (frame_buffer_channel[j].Data(), 0, frame_buffer_channel[j].Capacity());
- if (ASDCP_FAILURE (pcm_parser_channel[j].ReadFrame (frame_buffer_channel[j]))) {
- throw EncodeError ("could not read audio frame");
- }
-
- if (frame_buffer_channel[j].Size() != frame_buffer_channel[j].Capacity()) {
- throw EncodeError ("short audio frame");
- }
- }
-
- while (data_s < data_e) {
- for (list<string>::size_type j = 0; j < files.size(); ++j) {
- byte_t* frame = frame_buffer_channel[j].Data() + offset;
- memcpy (data_s, frame, sample_size);
- data_s += sample_size;
- }
- offset += sample_size;
- }
-
- if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
- throw EncodeError ("could not write audio MXF frame");
- }
-
- set_progress (float (i) / _fs->length);
- }
-
- if (ASDCP_FAILURE (mxf_writer.Finalize())) {
- throw EncodeError ("could not finalise audio MXF");
- }
-
- set_progress (1);
- set_state (FINISHED_OK);
-}
-
-void
-MakeMXFJob::j2k (list<string> const & files, string const & mxf)
-{
- ASDCP::JP2K::CodestreamParser j2k_parser;
- ASDCP::JP2K::FrameBuffer frame_buffer (4 * Kumu::Megabyte);
- if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (files.front().c_str(), frame_buffer))) {
- throw EncodeError ("could not open J2K file for reading");
- }
-
- ASDCP::JP2K::PictureDescriptor picture_desc;
- j2k_parser.FillPictureDescriptor (picture_desc);
- /* XXX: we round for DCP: not sure if this is right */
- picture_desc.EditRate = ASDCP::Rational (rintf (_fs->frames_per_second), 1);
-
- ASDCP::WriterInfo writer_info;
- fill_writer_info (&writer_info);
-
- ASDCP::JP2K::MXFWriter mxf_writer;
- if (ASDCP_FAILURE (mxf_writer.OpenWrite (mxf.c_str(), writer_info, picture_desc))) {
- throw EncodeError ("could not open MXF for writing");
- }
-
- int j = 0;
- for (list<string>::const_iterator i = files.begin(); i != files.end(); ++i) {
- if (ASDCP_FAILURE (j2k_parser.OpenReadFrame (i->c_str(), frame_buffer))) {
- throw EncodeError ("could not open J2K file for reading");
- }
-
- /* XXX: passing 0 to WriteFrame ok? */
- if (ASDCP_FAILURE (mxf_writer.WriteFrame (frame_buffer, 0, 0))) {
- throw EncodeError ("error in writing video MXF");
- }
-
- ++j;
- set_progress (float (j) / files.size ());
- }
-
- if (ASDCP_FAILURE (mxf_writer.Finalize())) {
- throw EncodeError ("error in finalising video MXF");
- }
-
- set_progress (1);
- set_state (FINISHED_OK);
-}
-
-void
-MakeMXFJob::fill_writer_info (ASDCP::WriterInfo* writer_info)
-{
- writer_info->ProductVersion = DVDOMATIC_VERSION;
- writer_info->CompanyName = "dvd-o-matic";
- writer_info->ProductName = "dvd-o-matic";
-
- /* set the label type */
- writer_info->LabelSetType = ASDCP::LS_MXF_SMPTE;
-
- /* generate a random UUID for this essence */
- Kumu::GenRandomUUID (writer_info->AssetUUID);
-}
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-24 14:46:06 +0000