demuxer.h

// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd

#ifndef MEDIA_BASE_DEMUXER_H_
#define MEDIA_BASE_DEMUXER_H_

#include <vector>

#include "packager/base/memory/ref_counted.h"
#include "packager/base/memory/scoped_ptr.h"
#include "packager/media/base/container_names.h"
#include "packager/media/base/status.h"

namespace edash_packager {
namespace media {

class Decryptor;
class File;
class KeySource;
class MediaParser;
class MediaSample;
class MediaStream;
class StreamInfo;

class Demuxer {
 public:
  explicit Demuxer(const std::string& file_name);
  ~Demuxer();

  void SetKeySource(scoped_ptr<KeySource> key_source);

  Status Initialize();

  Status Run();

  Status Parse();

  void Cancel();

  const std::vector<MediaStream*>& streams() { return streams_; }

  MediaContainerName container_name() { return container_name_; }

 private:
  // Parser event handlers.
  void ParserInitEvent(const std::vector<scoped_refptr<StreamInfo> >& streams);
  bool NewSampleEvent(uint32_t track_id,
                      const scoped_refptr<MediaSample>& sample);

  std::string file_name_;
  File* media_file_;
  bool init_event_received_;
  Status init_parsing_status_;
  scoped_ptr<MediaParser> parser_;
  std::vector<MediaStream*> streams_;
  MediaContainerName container_name_;
  scoped_ptr<uint8_t[]> buffer_;
  scoped_ptr<KeySource> key_source_;
  bool cancelled_;

  DISALLOW_COPY_AND_ASSIGN(Demuxer);
};

}  // namespace media
}  // namespace edash_packager

#endif  // MEDIA_BASE_DEMUXER_H_