media/filters/chunk_demuxer_factory.h

   1 // Copyright (c) 2011 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_FILTERS_CHUNK_DEMUXER_FACTORY_H_
   6 #define MEDIA_FILTERS_CHUNK_DEMUXER_FACTORY_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "media/base/filter_factories.h"
  12
  13 namespace media {
  14
  15 class ChunkDemuxer;
  16 class ChunkDemuxerClient;
  17
  18 // Factory for building ChunkDemuxers. The factory will only build a
  19 // ChunkDemuxer for build URLs that match the one passed into the constructor.
  20 // All other URLs are delegated to |delegate_factory_|. The url passed to
  21 // the constructor represents the "special" URL that indicates that the
  22 // ChunkDemuxer should be used for playback.
  23 class MEDIA_EXPORT ChunkDemuxerFactory : public DemuxerFactory {
  24  public:
  25   // Takes ownership of |delegate_factory|.
  26   ChunkDemuxerFactory(const std::string& url, DemuxerFactory* delegate_factory,
  27                       ChunkDemuxerClient* client);
  28   virtual ~ChunkDemuxerFactory();
  29
  30   // DemuxerFactory methods.
  31   virtual void Build(const std::string& url, const BuildCallback& cb);
  32   virtual DemuxerFactory* Clone() const;
  33
  34  private:
  35   std::string url_;
  36   scoped_ptr<DemuxerFactory> delegate_factory_;
  37   ChunkDemuxerClient* client_;
  38
  39   DISALLOW_IMPLICIT_CONSTRUCTORS(ChunkDemuxerFactory);
  40 };
  41
  42 }  // namespace media
  43
  44 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_FACTORY_H_