media/base/filter_collection.h

   1 // Copyright (c) 2012 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_FILTER_COLLECTION_H_
   6 #define MEDIA_BASE_FILTER_COLLECTION_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "media/base/media_export.h"
  10
  11 namespace media {
  12
  13 class AudioRenderer;
  14 class Demuxer;
  15 class TextRenderer;
  16 class VideoRenderer;
  17
  18 // Represents a set of uninitialized demuxer and audio/video decoders and
  19 // renderers. Used to start a Pipeline object for media playback.
  20 //
  21 // TODO(scherkus): Replace FilterCollection with something sensible, see
  22 // http://crbug.com/110800
  23 class MEDIA_EXPORT FilterCollection {
  24  public:
  25   FilterCollection();
  26   ~FilterCollection();
  27
  28   void SetDemuxer(Demuxer* demuxer);
  29   Demuxer* GetDemuxer();
  30
  31   void SetAudioRenderer(scoped_ptr<AudioRenderer> audio_renderer);
  32   scoped_ptr<AudioRenderer> GetAudioRenderer();
  33
  34   void SetVideoRenderer(scoped_ptr<VideoRenderer> video_renderer);
  35   scoped_ptr<VideoRenderer> GetVideoRenderer();
  36
  37   void SetTextRenderer(scoped_ptr<TextRenderer> text_renderer);
  38   scoped_ptr<TextRenderer> GetTextRenderer();
  39
  40  private:
  41   Demuxer* demuxer_;
  42   scoped_ptr<AudioRenderer> audio_renderer_;
  43   scoped_ptr<VideoRenderer> video_renderer_;
  44   scoped_ptr<TextRenderer> text_renderer_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(FilterCollection);
  47 };
  48
  49 }  // namespace media
  50
  51 #endif  // MEDIA_BASE_FILTER_COLLECTION_H_