swaroop: basics of encrypted MP4 playback.

[dcpomatic.git] / src / tools / dcpomatic_ecinema.cc

diff --git a/src/tools/dcpomatic_ecinema.cc b/src/tools/dcpomatic_ecinema.cc
index a3f2288e3ff1533c8cf49aee4343450de2b07abe..6c4b2a8c75808956209dfd05c36fc2599c7e3220 100644 (file)
--- a/src/tools/dcpomatic_ecinema.cc
+++ b/src/tools/dcpomatic_ecinema.cc
@@ -21,6 +21,7 @@
 #include "lib/version.h"
 #include "lib/decrypted_ecinema_kdm.h"
 #include "lib/config.h"
+#include "lib/util.h"
 #include <dcp/key.h>
 extern "C" {
 #include <libavformat/avformat.h>
@@ -155,6 +156,15 @@ main (int argc, char* argv[])
        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";
@@ -180,7 +190,7 @@ main (int argc, char* argv[])
        avformat_free_context (input_fc);
        avformat_free_context (output_fc);
 
-       DecryptedECinemaKDM decrypted_kdm (key);
+       DecryptedECinemaKDM decrypted_kdm (id, key);
        EncryptedECinemaKDM encrypted_kdm = decrypted_kdm.encrypt (Config::instance()->decryption_chain()->leaf());
        cout << encrypted_kdm.as_xml() << "\n";
 }