shaka-packager/media/base/muxer.h

81 lines
2.1 KiB
C++

// 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
//
// Defines the muxer interface.
#ifndef MEDIA_BASE_MUXER_H_
#define MEDIA_BASE_MUXER_H_
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "media/base/muxer_options.h"
#include "media/base/status.h"
namespace media {
class EncryptorSource;
class MediaSample;
class MediaStream;
namespace event {
class MuxerListener;
}
class Muxer {
public:
explicit Muxer(const MuxerOptions& options);
virtual ~Muxer();
// Set encryptor source. Caller retains ownership of |encryptor_source|.
// Should be called before calling Initialize().
void SetEncryptorSource(EncryptorSource* encryptor_source,
double clear_lead_in_seconds);
// Initialize the muxer. Must be called after connecting all the streams.
virtual Status Initialize() = 0;
// Final clean up.
virtual Status Finalize() = 0;
// Adds video/audio stream.
virtual Status AddStream(MediaStream* stream);
// Adds new media sample.
virtual Status AddSample(const MediaStream* stream,
scoped_refptr<MediaSample> sample) = 0;
// Drives the remuxing from muxer side (pull).
virtual Status Run();
// Set a MuxerListener event handler for this object. Ownership does not
// transfer.
void SetMuxerListener(event::MuxerListener* muxer_listener);
const std::vector<MediaStream*>& streams() const { return streams_; }
protected:
const MuxerOptions& options() const { return options_; }
EncryptorSource* encryptor_source() { return encryptor_source_; }
double clear_lead_in_seconds() const { return clear_lead_in_seconds_; }
event::MuxerListener* muxer_listener() { return muxer_listener_; }
private:
MuxerOptions options_;
std::vector<MediaStream*> streams_;
EncryptorSource* encryptor_source_;
double clear_lead_in_seconds_;
event::MuxerListener* muxer_listener_;
DISALLOW_COPY_AND_ASSIGN(Muxer);
};
} // namespace media
#endif // MEDIA_BASE_MUXER_H_