chromecast/media/cma/base/decoder_buffer_adapter.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_MEDIA_CMA_BASE_DECODER_BUFFER_ADAPTER_H_
   6 #define CHROMECAST_MEDIA_CMA_BASE_DECODER_BUFFER_ADAPTER_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chromecast/media/cma/base/decoder_buffer_base.h"
  12
  13 namespace media {
  14 class DecoderBuffer;
  15 }
  16
  17 namespace chromecast {
  18 namespace media {
  19
  20 // DecoderBufferAdapter wraps a ::media::DecoderBuffer
  21 // into a DecoderBufferBase.
  22 class DecoderBufferAdapter : public DecoderBufferBase {
  23  public:
  24   // Using explicit constructor without providing stream Id will set it to
  25   // kPrimary by default.
  26   explicit DecoderBufferAdapter(
  27       const scoped_refptr<::media::DecoderBuffer>& buffer);
  28   DecoderBufferAdapter(
  29       StreamId stream_id, const scoped_refptr<::media::DecoderBuffer>& buffer);
  30
  31   // DecoderBufferBase implementation.
  32   StreamId stream_id() const override;
  33   base::TimeDelta timestamp() const override;
  34   void set_timestamp(base::TimeDelta timestamp) override;
  35   const uint8* data() const override;
  36   uint8* writable_data() const override;
  37   size_t data_size() const override;
  38   const CastDecryptConfig* decrypt_config() const override;
  39   bool end_of_stream() const override;
  40
  41  private:
  42   ~DecoderBufferAdapter() override;
  43
  44   StreamId stream_id_;
  45   scoped_refptr<::media::DecoderBuffer> const buffer_;
  46   mutable scoped_ptr<CastDecryptConfig> decrypt_config_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(DecoderBufferAdapter);
  49 };
  50
  51 }  // namespace media
  52 }  // namespace chromecast
  53
  54 #endif  // CHROMECAST_MEDIA_CMA_BASE_DECODER_BUFFER_ADAPTER_H_