chromecast/media/cma/base/cast_decoder_buffer_impl.h

   1 // Copyright 2015 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_CAST_DECODER_BUFFER_IMPL_H_
   6 #define CHROMECAST_MEDIA_CMA_BASE_CAST_DECODER_BUFFER_IMPL_H_
   7
   8 #include "chromecast/public/media/cast_decoder_buffer.h"
   9 #include "chromecast/media/cma/base/decoder_buffer_base.h"
  10
  11 namespace chromecast {
  12 namespace media {
  13
  14 // Implementation of public DecoderBuffer interface.
  15 // Holds a (refcounted) DecoderBufferBase.  This way, ownership throughout
  16 // the pipeline is refcounted, but without exposing RefCountedBase in
  17 // the public API.
  18 class CastDecoderBufferImpl : public CastDecoderBuffer {
  19  public:
  20   CastDecoderBufferImpl(const scoped_refptr<DecoderBufferBase>& buffer);
  21   ~CastDecoderBufferImpl() override;
  22
  23   // Returns the stream id of this decoder buffer belonging to. it's optional
  24   // and default value is kPrimary.
  25   StreamId stream_id() const override;
  26
  27   // Returns the PTS of the frame in microseconds.
  28   int64_t timestamp() const override;
  29
  30   // Gets the frame data.
  31   const uint8* data() const override;
  32
  33   // Returns the size of the frame in bytes.
  34   size_t data_size() const override;
  35
  36   // Returns the decrypt configuration.
  37   // Returns NULL if the buffer has no decrypt info.
  38   const CastDecryptConfig* decrypt_config() const override;
  39
  40   // Indicate if this is a special frame that indicates the end of the stream.
  41   // If true, functions to access the frame content cannot be called.
  42   bool end_of_stream() const override;
  43
  44   const scoped_refptr<DecoderBufferBase>& buffer() const;
  45
  46  private:
  47   scoped_refptr<DecoderBufferBase> buffer_;
  48 };
  49
  50 }  // namespace media
  51 }  // namespace chromecast
  52
  53 #endif  // CHROMECAST_MEDIA_CMA_BASE_CAST_DECODER_BUFFER_BASE_H_