media/filters/dummy_demuxer.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 // Implements the Demuxer interface. DummyDemuxer returns corresponding
   6 // DummyDemuxerStream as signal for media pipeline to construct correct
   7 // playback channels. Used in WebRTC local video capture pipeline, where
   8 // demuxing is not needed.
   9
  10 #ifndef MEDIA_FILTERS_DUMMY_DEMUXER_H_
  11 #define MEDIA_FILTERS_DUMMY_DEMUXER_H_
  12
  13 #include <vector>
  14
  15 #include "media/base/audio_decoder_config.h"
  16 #include "media/base/demuxer.h"
  17 #include "media/base/video_decoder_config.h"
  18
  19 namespace media {
  20
  21 class DummyDemuxerStream : public DemuxerStream {
  22  public:
  23   explicit DummyDemuxerStream(Type type);
  24
  25   // DemuxerStream implementation.
  26   virtual void Read(const ReadCB& read_cb) OVERRIDE;
  27   virtual Type type() OVERRIDE;
  28   virtual const AudioDecoderConfig& audio_decoder_config() OVERRIDE;
  29   virtual const VideoDecoderConfig& video_decoder_config() OVERRIDE;
  30   virtual void EnableBitstreamConverter() OVERRIDE;
  31  protected:
  32   virtual ~DummyDemuxerStream();
  33
  34  private:
  35   Type type_;
  36   AudioDecoderConfig audio_config_;
  37   VideoDecoderConfig video_config_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(DummyDemuxerStream);
  40 };
  41
  42 class MEDIA_EXPORT DummyDemuxer : public Demuxer {
  43  public:
  44   DummyDemuxer(bool has_video, bool has_audio);
  45
  46   // Demuxer implementation.
  47   virtual void Initialize(DemuxerHost* host,
  48                           const PipelineStatusCB& status_cb) OVERRIDE;
  49   virtual scoped_refptr<DemuxerStream> GetStream(
  50       DemuxerStream::Type type) OVERRIDE;
  51   virtual base::TimeDelta GetStartTime() const OVERRIDE;
  52
  53  protected:
  54   virtual ~DummyDemuxer();
  55
  56  private:
  57   std::vector< scoped_refptr<DummyDemuxerStream> > streams_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(DummyDemuxer);
  60 };
  61
  62 }  // namespace media
  63
  64 #endif  // MEDIA_FILTERS_DUMMY_DEMUXER_H_