[cros] Implement WebM encoder/muxer for animated avatar capture.

media/webm/chromeos/ebml_writer.cc

Index: media/webm/chromeos/ebml_writer.cc
diff --git a/media/webm/chromeos/ebml_writer.cc b/media/webm/chromeos/ebml_writer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..93ca3febd6e60554336e0d9a32da5c6a8b8806a1
--- /dev/null
+++ b/media/webm/chromeos/ebml_writer.cc
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/base/media_export.h"
+#include "media/webm/chromeos/ebml_writer.h"

[scherkus (not reviewing), 2012/07/23 22:23:43]

nit: header include order has the .h first followed by a blank line followed by
rest of includes

[Ivan Korotkov, 2012/07/23 22:57:48]

Done.

+
+extern "C" {
+#include "third_party/libvpx/source/libvpx/libmkv/EbmlWriter.h"
+
+// These functions must be in the global namespace and visible to libmkv.
+
+void MEDIA_EXPORT Ebml_Write(EbmlGlobal* glob,
+                             const void* buffer,
+                             unsigned long len) {
+  glob->write_cb.Run(buffer, len);
+}
+
+void MEDIA_EXPORT Ebml_Serialize(EbmlGlobal* glob,
+                                 const void* buffer,
+                                 int buffer_size,
+                                 unsigned long len) {
+  glob->serialize_cb.Run(buffer, buffer_size, len);
+}
+
+}  // extern "C"