media/base/demuxer_stream_provider.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 MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_
   6 #define MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_
   7
   8 #include "media/base/demuxer_stream.h"
   9 #include "media/base/media_export.h"
  10
  11 namespace media {
  12
  13 class MEDIA_EXPORT DemuxerStreamProvider {
  14  public:
  15   DemuxerStreamProvider();
  16   virtual ~DemuxerStreamProvider();
  17
  18   // Returns the first stream of the given stream type (which is not allowed
  19   // to be DemuxerStream::TEXT), or NULL if that type of stream is not present.
  20   virtual DemuxerStream* GetStream(DemuxerStream::Type type) = 0;
  21
  22  private:
  23   DISALLOW_COPY_AND_ASSIGN(DemuxerStreamProvider);
  24 };
  25
  26 }  // namespace media
  27
  28 #endif  // MEDIA_BASE_DEMUXER_STREAM_PROVIDER_H_