Accessor for ClosedCaptionsDialog.
[dcpomatic.git] / src / tools / dcpomatic_ecinema.cc
index 6a19e5c42724f3f9ca9a62d0c844ecb96939168b..152194c482f415560320a4feaae9fb0816770431 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2018-2019 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 */
 
 #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>
@@ -33,32 +48,53 @@ extern "C" {
 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>\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 the unencrypted .mp4 file.\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'},
+                       { "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:", long_options, &option_index);
+               int c = getopt_long (argc, argv, "vho:f:k:c:", long_options, &option_index);
 
                if (c == -1) {
                        break;
@@ -74,6 +110,15 @@ main (int argc, char* argv[])
                case 'o':
                        output = optarg;
                        break;
+               case 'f':
+                       format = optarg;
+                       break;
+               case 'k':
+                       kdm = optarg;
+                       break;
+               case 'c':
+                       crf = atoi(optarg);
+                       break;
                }
        }
 
@@ -83,20 +128,48 @@ main (int argc, char* argv[])
        }
 
        if (!output) {
-               cerr << "You must specify --output or -o\n";
+               cerr << "You must specify --output-media or -o\n";
                exit (EXIT_FAILURE);
        }
 
-       boost::filesystem::path input = argv[optind];
-       boost::filesystem::path output_mp4 = *output / (input.filename().string() + ".ecinema");
+       if (!format) {
+               format = "mov";
+       }
 
-       if (mkdir(output->c_str(), 0777) < 0) {
-               cerr << "Could not create output directory `" << output->string() << "'\n";
+       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";
@@ -109,20 +182,21 @@ main (int argc, char* argv[])
        }
 
        AVFormatContext* output_fc;
-       avformat_alloc_output_context2 (&output_fc, av_guess_format("mp4", 0, 0), 0, 0);
+       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_copy_context (os->codec, is->codec) < 0) {
+               if (avcodec_parameters_copy (os->codecpar, is->codecpar) < 0) {
                        cerr << "Could not set up output stream.\n";
                        exit (EXIT_FAILURE);
                }
 
-               switch (os->codec->codec_type) {
+               os->avg_frame_rate = is->avg_frame_rate;
+
+               switch (is->codec->codec_type) {
                case AVMEDIA_TYPE_VIDEO:
                        os->time_base = is->time_base;
-                       os->avg_frame_rate = is->avg_frame_rate;
                        os->r_frame_rate = is->r_frame_rate;
                        os->sample_aspect_ratio = is->sample_aspect_ratio;
                        os->codec->time_base = is->codec->time_base;
@@ -135,6 +209,10 @@ main (int argc, char* argv[])
                        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 */
@@ -142,12 +220,25 @@ main (int argc, char* argv[])
                }
        }
 
-       if (avio_open2 (&output_fc->pb, output_mp4.string().c_str(), AVIO_FLAG_WRITE, 0, 0) < 0) {
-               cerr << "Could not open output file `" << output_mp4.string() << "'\n";
+       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, 0) < 0) {
+       if (avformat_write_header (output_fc, &options) < 0) {
                cerr << "Could not write header to output.\n";
                exit (EXIT_FAILURE);
        }
@@ -170,4 +261,52 @@ main (int argc, char* argv[])
 
        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);
 }