Add m-esr52 at 52.6.0

1 files changed, 49 insertions, 0 deletions

diff --git a/media/libstagefright/binding/include/mp4_demuxer/ResourceStream.h b/media/libstagefright/binding/include/mp4_demuxer/ResourceStream.h
new file mode 100644
index 000000000..219465f17
--- /dev/null
+++ b/media/libstagefright/binding/include/mp4_demuxer/ResourceStream.h
@@ -0,0 +1,49 @@
+/* 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/. */
+
+#ifndef RESOURCESTREAM_H_
+#define RESOURCESTREAM_H_
+
+#include "MediaResource.h"
+#include "mp4_demuxer/Stream.h"
+#include "mozilla/RefPtr.h"
+
+namespace mp4_demuxer
+{
+
+class ResourceStream : public Stream
+{
+public:
+  explicit ResourceStream(mozilla::MediaResource* aResource);
+
+  virtual bool ReadAt(int64_t offset, void* aBuffer, size_t aCount,
+                      size_t* aBytesRead) override;
+  virtual bool CachedReadAt(int64_t aOffset, void* aBuffer, size_t aCount,
+                            size_t* aBytesRead) override;
+  virtual bool Length(int64_t* size) override;
+
+  void Pin()
+  {
+    mResource->Pin();
+    ++mPinCount;
+  }
+
+  void Unpin()
+  {
+    mResource->Unpin();
+    MOZ_ASSERT(mPinCount);
+    --mPinCount;
+  }
+
+protected:
+  virtual ~ResourceStream();
+
+private:
+  RefPtr<mozilla::MediaResource> mResource;
+  uint32_t mPinCount;
+};
+
+}
+
+#endif // RESOURCESTREAM_H_