Adding ChunkDemuxer implementation.

media/base/buffers.h

 // Copyright (c) 2011 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.
 
 // Defines various types of timestamped media buffers used for transporting
 // data between filters.  Every buffer contains a timestamp in microseconds
 // describing the relative position of the buffer within the media stream, and
 // the duration in microseconds for the length of time the buffer will be
 // rendered.
 //
@@ skipping 73 matching lines @@
   // Returns the size of valid data in bytes.
   virtual size_t GetDataSize() const = 0;
 
   // If there's no data in this buffer, it represents end of stream.
   virtual bool IsEndOfStream() const;
 
  protected:
   virtual ~Buffer() {}
 };
 
+// Simple implementation of the Buffer interface.
+// NOTE: This class makes a copy of the data passed to the contructor.
+class BufferImpl : public Buffer {

[scherkus (not reviewing), 2011/06/22 17:31:09]

so DataBuffer didn't do the trick?

also: this has to be moved to different file we to keep it

[acolwell GONE FROM CHROMIUM, 2011/06/23 16:51:28]

oops. totally missed that class. I've updated the code to use DataBuffer
instead.
On 2011/06/22 17:31:09, scherkus wrote:

+ public:
+  BufferImpl(const base::TimeDelta& timestamp,
+             const base::TimeDelta& duration,
+             const uint8* data, size_t size);
+  virtual ~BufferImpl();
+
+  // Buffer implementation.
+  virtual const uint8* GetData() const;
+  virtual size_t GetDataSize() const;
+
+ private:
+  uint8* data_;

[scherkus (not reviewing), 2011/06/22 17:31:09]

scoped_ptr ?

[acolwell GONE FROM CHROMIUM, 2011/06/23 16:51:28]

No longer needed.

+  size_t size_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(BufferImpl);
+};
 }  // namespace media
 
 #endif  // MEDIA_BASE_BUFFERS_H_