--- /dev/null
+/*
+ Copyright (C) 2018-2019 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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.
+
+ DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "lib/version.h"
+#include "lib/decrypted_ecinema_kdm.h"
+#include "lib/config.h"
+#include "lib/util.h"
+#include "lib/film.h"
+#include "lib/dcp_content.h"
+#include "lib/job_manager.h"
+#include "lib/cross.h"
+#include "lib/transcode_job.h"
+#include "lib/ffmpeg_encoder.h"
+#include "lib/signal_manager.h"
+#include "lib/video_content.h"
+#include "lib/ratio.h"
+#include <dcp/key.h>
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavutil/aes_ctr.h>
+}
+#include <boost/filesystem.hpp>
+#include <boost/optional.hpp>
+#include <openssl/rand.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <string>
+#include <iostream>
+
+using std::string;
+using std::cerr;
+using std::cout;
+using std::ofstream;
+using boost::optional;
+using boost::shared_ptr;
+
+static void convert_dcp (
+ boost::filesystem::path input,
+ boost::filesystem::path output_file,
+ boost::optional<boost::filesystem::path> kdm,
+ int crf
+ );
+static void convert_ffmpeg (boost::filesystem::path input, boost::filesystem::path output_file, string format);
+static void write_kdm (string id, boost::filesystem::path name, dcp::Key key);
+
+static void
+help (string n)
+{
+ cerr << "Syntax: " << n << " [OPTION] <FILE>|<DIRECTORY>\n"
+ << " -v, --version show DCP-o-matic version\n"
+ << " -h, --help show this help\n"
+ << " -o, --output output directory\n"
+ << " -f, --format output format (mov or mp4; defaults to mov)\n"
+ << " -k, --kdm DCP KDM filename (if required)\n"
+ << " -c, --crf quality (CRF) when transcoding from DCP (0 is best, 51 is worst, defaults to 23)\n"
+ << "\n"
+ << "<FILE> is an unencrypted .mp4 file; <DIRECTORY> is a DCP directory.\n";
+}
+
+int
+main (int argc, char* argv[])
+{
+ optional<boost::filesystem::path> output;
+ optional<string> format;
+ optional<boost::filesystem::path> kdm;
+ int crf = 23;
+
+ int option_index = 0;
+ while (true) {
+ static struct option long_options[] = {
+ { "version", no_argument, 0, 'v' },
+ { "help", no_argument, 0, 'h' },
+ { "output", required_argument, 0, 'o' },
+ { "format", required_argument, 0, 'f' },
+ { "kdm", required_argument, 0, 'k' },
+ { "crf", required_argument, 0, 'c' },
+ };
+
+ int c = getopt_long (argc, argv, "vho:f:k:c:", long_options, &option_index);
+
+ if (c == -1) {
+ break;
+ }
+
+ switch (c) {
+ case 'v':
+ cout << "dcpomatic version " << dcpomatic_version << " " << dcpomatic_git_commit << "\n";
+ exit (EXIT_SUCCESS);
+ case 'h':
+ help (argv[0]);
+ exit (EXIT_SUCCESS);
+ case 'o':
+ output = optarg;
+ break;
+ case 'f':
+ format = optarg;
+ break;
+ case 'k':
+ kdm = optarg;
+ break;
+ case 'c':
+ crf = atoi(optarg);
+ break;
+ }
+ }
+
+ if (optind >= argc) {
+ help (argv[0]);
+ exit (EXIT_FAILURE);
+ }
+
+ if (!output) {
+ cerr << "You must specify --output-media or -o\n";
+ exit (EXIT_FAILURE);
+ }
+
+ if (!format) {
+ format = "mov";
+ }
+
+ if (*format != "mov" && *format != "mp4") {
+ cerr << "Invalid format specified: must be mov or mp4\n";
+ exit (EXIT_FAILURE);
+ }
+
+ dcpomatic_setup_path_encoding ();
+ dcpomatic_setup ();
+ signal_manager = new SignalManager ();
+
+ boost::filesystem::path input = argv[optind];
+ boost::filesystem::path output_file;
+ if (boost::filesystem::is_directory(input)) {
+ output_file = *output / (input.parent_path().filename().string() + ".ecinema");
+ } else {
+ output_file = *output / (input.filename().string() + ".ecinema");
+ }
+
+ if (!boost::filesystem::is_directory(*output)) {
+ boost::filesystem::create_directory (*output);
+ }
+
+ av_register_all ();
+
+ if (boost::filesystem::is_directory(input)) {
+ /* Assume input is a DCP */
+ convert_dcp (input, output_file, kdm, crf);
+ } else {
+ convert_ffmpeg (input, output_file, *format);
+ }
+}
+
+static void
+convert_ffmpeg (boost::filesystem::path input, boost::filesystem::path output_file, string format)
+{
+ AVFormatContext* input_fc = avformat_alloc_context ();
+ if (avformat_open_input(&input_fc, input.string().c_str(), 0, 0) < 0) {
+ cerr << "Could not open input file\n";
+ exit (EXIT_FAILURE);
+ }
+
+ if (avformat_find_stream_info (input_fc, 0) < 0) {
+ cerr << "Could not read stream information\n";
+ exit (EXIT_FAILURE);
+ }
+
+ AVFormatContext* output_fc;
+ avformat_alloc_output_context2 (&output_fc, av_guess_format(format.c_str(), 0, 0), 0, 0);
+
+ for (uint32_t i = 0; i < input_fc->nb_streams; ++i) {
+ AVStream* is = input_fc->streams[i];
+ AVStream* os = avformat_new_stream (output_fc, is->codec->codec);
+ if (avcodec_parameters_copy (os->codecpar, is->codecpar) < 0) {
+ cerr << "Could not set up output stream.\n";
+ exit (EXIT_FAILURE);
+ }
+
+ os->avg_frame_rate = is->avg_frame_rate;
+
+ switch (is->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ os->time_base = is->time_base;
+ os->r_frame_rate = is->r_frame_rate;
+ os->sample_aspect_ratio = is->sample_aspect_ratio;
+ os->codec->time_base = is->codec->time_base;
+ os->codec->framerate = is->codec->framerate;
+ os->codec->pix_fmt = is->codec->pix_fmt;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ os->codec->sample_fmt = is->codec->sample_fmt;
+ os->codec->bits_per_raw_sample = is->codec->bits_per_raw_sample;
+ os->codec->sample_rate = is->codec->sample_rate;
+ os->codec->channel_layout = is->codec->channel_layout;
+ os->codec->channels = is->codec->channels;
+ if (is->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
+ /* XXX: fix incoming 24-bit files labelled lpcm, which apparently isn't allowed */
+ os->codecpar->codec_tag = MKTAG('i', 'n', '2', '4');
+ }
+ break;
+ default:
+ /* XXX */
+ break;
+ }
+ }
+
+ if (avio_open2 (&output_fc->pb, output_file.string().c_str(), AVIO_FLAG_WRITE, 0, 0) < 0) {
+ cerr << "Could not open output file `" << output_file.string() << "'\n";
+ exit (EXIT_FAILURE);
+ }
+
+ dcp::Key key (AES_CTR_KEY_SIZE);
+ AVDictionary* options = 0;
+ av_dict_set (&options, "encryption_key", key.hex().c_str(), 0);
+ /* XXX: is this OK? */
+ av_dict_set (&options, "encryption_kid", "00000000000000000000000000000000", 0);
+ av_dict_set (&options, "encryption_scheme", "cenc-aes-ctr", 0);
+
+ string id = dcp::make_uuid ();
+ if (av_dict_set(&output_fc->metadata, SWAROOP_ID_TAG, id.c_str(), 0) < 0) {
+ cerr << "Could not write ID to output.\n";
+ exit (EXIT_FAILURE);
+ }
+
+ if (avformat_write_header (output_fc, &options) < 0) {
+ cerr << "Could not write header to output.\n";
+ exit (EXIT_FAILURE);
+ }
+
+ AVPacket packet;
+ while (av_read_frame(input_fc, &packet) >= 0) {
+ AVStream* is = input_fc->streams[packet.stream_index];
+ AVStream* os = output_fc->streams[packet.stream_index];
+ packet.pts = av_rescale_q_rnd(packet.pts, is->time_base, os->time_base, (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
+ packet.dts = av_rescale_q_rnd(packet.dts, is->time_base, os->time_base, (AVRounding) (AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX));
+ packet.duration = av_rescale_q(packet.duration, is->time_base, os->time_base);
+ packet.pos = -1;
+ if (av_interleaved_write_frame (output_fc, &packet) < 0) {
+ cerr << "Could not write frame to output.\n";
+ exit (EXIT_FAILURE);
+ }
+ }
+
+ av_write_trailer (output_fc);
+
+ avformat_free_context (input_fc);
+ avformat_free_context (output_fc);
+
+ write_kdm (id, output_file, key);
+}
+
+static void
+write_kdm (string id, boost::filesystem::path name, dcp::Key key)
+{
+ DecryptedECinemaKDM decrypted_kdm (id, name.filename().string(), key, optional<dcp::LocalTime>(), optional<dcp::LocalTime>());
+ EncryptedECinemaKDM encrypted_kdm = decrypted_kdm.encrypt (Config::instance()->decryption_chain()->leaf());
+
+ ofstream f(string(name.string() + ".xml").c_str());
+ f << encrypted_kdm.as_xml() << "\n";
+}
+
+static void
+convert_dcp (
+ boost::filesystem::path input, boost::filesystem::path output_file, optional<boost::filesystem::path> kdm, int crf
+ )
+{
+ shared_ptr<Film> film (new Film(boost::optional<boost::filesystem::path>()));
+ shared_ptr<DCPContent> dcp (new DCPContent(input));
+ film->examine_and_add_content (dcp);
+ if (kdm) {
+ dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(*kdm)));
+ }
+
+ JobManager* jm = JobManager::instance ();
+ while (jm->work_to_do ()) {
+ while (signal_manager->ui_idle ()) {}
+ dcpomatic_sleep_seconds (1);
+ }
+ DCPOMATIC_ASSERT (!jm->errors());
+
+ film->set_container (Ratio::nearest_from_ratio(dcp->video->size().ratio()));
+
+ string id = dcp::make_uuid ();
+ dcp::Key key (AES_CTR_KEY_SIZE);
+
+ shared_ptr<TranscodeJob> job (new TranscodeJob(film));
+ job->set_encoder (
+ shared_ptr<FFmpegEncoder>(
+ new FFmpegEncoder(film, job, output_file, EXPORT_FORMAT_H264_PCM, false, false, crf, key, id)
+ )
+ );
+ jm->add (job);
+ show_jobs_on_console (true);
+
+ write_kdm (id, output_file, key);
+}
projects / dcpomatic.git / blobdiff