Index: chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.cc |
diff --git a/chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.cc b/chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..68299b282564b3a403aab65b7a7f2c5cce3ce727 |
--- /dev/null |
+++ b/chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.cc |
@@ -0,0 +1,53 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
halliwell
2016/01/13 03:29:41
nit: 2014
dougsteed
2016/02/09 22:58:53
Done.
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h" |
+ |
+#include "base/basictypes.h" |
+#include "base/logging.h" |
+#include "chromecast/media/cma/ipc/media_message.h" |
+ |
+namespace chromecast { |
+namespace media { |
+ |
+namespace { |
+ |
+class PatternSpecMarshaller { |
halliwell
2016/01/13 03:29:41
I don't understand the point of this class? Why n
dougsteed
2016/02/09 22:58:53
For the same reason that PatternSpec is a nested s
|
+ public: |
+ static void Write(const ::media::EncryptionScheme::PatternSpec& pattern, |
+ MediaMessage* msg) { |
+ CHECK(msg->WritePod(pattern.encrypt_blocks())); |
+ CHECK(msg->WritePod(pattern.skip_blocks())); |
+ } |
+ |
+ static ::media::EncryptionScheme::PatternSpec Read(MediaMessage* msg) { |
+ uint32_t encrypt_blocks; |
+ uint32_t skip_blocks; |
+ CHECK(msg->ReadPod(&encrypt_blocks)); |
+ CHECK(msg->ReadPod(&skip_blocks)); |
+ return ::media::EncryptionScheme::PatternSpec(encrypt_blocks, skip_blocks); |
+ } |
+}; |
+ |
+} // namespace |
+ |
+// static |
+void EncryptionSchemeMarshaller::Write( |
+ const ::media::EncryptionScheme& encryption_scheme, |
+ MediaMessage* msg) { |
+ CHECK(msg->WritePod(encryption_scheme.mode())); |
+ PatternSpecMarshaller::Write(encryption_scheme.pattern(), msg); |
+} |
+ |
+// static |
+::media::EncryptionScheme EncryptionSchemeMarshaller::Read(MediaMessage* msg) { |
+ ::media::EncryptionScheme::CipherMode mode; |
+ ::media::EncryptionScheme::PatternSpec pattern; |
+ CHECK(msg->ReadPod(&mode)); |
+ pattern = PatternSpecMarshaller::Read(msg); |
+ return ::media::EncryptionScheme(mode, pattern); |
+} |
+ |
+} // namespace media |
+} // namespace chromecast |