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