1 files changed, 84 insertions, 0 deletions
diff --git a/dom/media/encoder/fmp4_muxer/EVRCBox.cpp b/dom/media/encoder/fmp4_muxer/EVRCBox.cpp
new file mode 100644
index 000000000..096e4013d
--- /dev/null
+++ b/dom/media/encoder/fmp4_muxer/EVRCBox.cpp
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "ISOControl.h"
+#include "ISOMediaBoxes.h"
+#include "EVRCBox.h"
+#include "ISOTrackMetadata.h"
+
+namespace mozilla {
+
+nsresult
+EVRCSampleEntry::Generate(uint32_t* aBoxSize)
+{
+  uint32_t box_size;
+  nsresult rv = evrc_special_box->Generate(&box_size);
+  NS_ENSURE_SUCCESS(rv, rv);
+  size += box_size;
+
+  *aBoxSize = size;
+  return NS_OK;
+}
+
+nsresult
+EVRCSampleEntry::Write()
+{
+  BoxSizeChecker checker(mControl, size);
+  nsresult rv;
+  rv = AudioSampleEntry::Write();
+  NS_ENSURE_SUCCESS(rv, rv);
+  rv = evrc_special_box->Write();
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  return NS_OK;
+}
+
+EVRCSampleEntry::EVRCSampleEntry(ISOControl* aControl)
+  : AudioSampleEntry(NS_LITERAL_CSTRING("sevc"), aControl)
+{
+  evrc_special_box = new EVRCSpecificBox(aControl);
+  MOZ_COUNT_CTOR(EVRCSampleEntry);
+}
+
+EVRCSampleEntry::~EVRCSampleEntry()
+{
+  MOZ_COUNT_DTOR(EVRCSampleEntry);
+}
+
+nsresult
+EVRCSpecificBox::Generate(uint32_t* aBoxSize)
+{
+  nsresult rv;
+  FragmentBuffer* frag = mControl->GetFragment(Audio_Track);
+  rv = frag->GetCSD(evrcDecSpecInfo);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  size += evrcDecSpecInfo.Length();
+  *aBoxSize = size;
+
+  return NS_OK;
+}
+
+nsresult
+EVRCSpecificBox::Write()
+{
+  BoxSizeChecker checker(mControl, size);
+  Box::Write();
+  mControl->Write(evrcDecSpecInfo.Elements(), evrcDecSpecInfo.Length());
+  return NS_OK;
+}
+
+EVRCSpecificBox::EVRCSpecificBox(ISOControl* aControl)
+  : Box(NS_LITERAL_CSTRING("devc"), aControl)
+{
+  MOZ_COUNT_CTOR(EVRCSpecificBox);
+}
+
+EVRCSpecificBox::~EVRCSpecificBox()
+{
+  MOZ_COUNT_DTOR(EVRCSpecificBox);
+}
+
+}