45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// Copyright 2017 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 PACKAGER_MEDIA_ORIGIN_ORIGIN_HANDLER_H_
|
|
#define PACKAGER_MEDIA_ORIGIN_ORIGIN_HANDLER_H_
|
|
|
|
#include "packager/media/base/media_handler.h"
|
|
|
|
namespace shaka {
|
|
namespace media {
|
|
|
|
// Origin handlers are handlers that sit at the head of a pipeline (chain of
|
|
// handlers). They are expect to take input from an alternative source (like
|
|
// a file or network connection).
|
|
class OriginHandler : public MediaHandler {
|
|
public:
|
|
OriginHandler() = default;
|
|
|
|
// Process all data and send messages down stream. This is the main
|
|
// method of the handler. Since origin handlers do not take input via
|
|
// |Process|, run will take input from an alternative source. This call
|
|
// is expect to be blocking. To exit a call to |Run|, |Cancel| should
|
|
// be used.
|
|
virtual Status Run() = 0;
|
|
|
|
// Non-blocking call to the handler, requesting that it exit the
|
|
// current call to |Run|. The handler should stop processing data
|
|
// as soon is convenient.
|
|
virtual void Cancel() = 0;
|
|
|
|
private:
|
|
OriginHandler(const OriginHandler&) = delete;
|
|
OriginHandler& operator=(const OriginHandler&) = delete;
|
|
|
|
Status Process(std::unique_ptr<StreamData> stream_data) override;
|
|
};
|
|
|
|
} // namespace media
|
|
} // namespace shaka
|
|
|
|
#endif // PACKAGER_MEDIA_ORIGIN_ORIGIN_HANDLER_H_
|