chromium/media/renderers/decrypting_renderer.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_RENDERERS_DECRYPTING_RENDERER_H_
#define MEDIA_RENDERERS_DECRYPTING_RENDERER_H_

#include <memory>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "media/base/pipeline.h"
#include "media/base/renderer.h"

namespace media {

class CdmContext;
class DemuxerStream;
class MediaLog;
class MediaResource;
class DecryptingMediaResource;
class RendererClient;

// DecryptingRenderer is used as a wrapper around a Renderer
// implementation that decrypts streams when an AesDecryptor is available. In
// this case only clear streams are passed on to the internally owned renderer
// implementation.
//
// All methods are pass-through except Initialize() and SetCdm().
//
// The caller must guarantee that DecryptingRenderer will never be initialized
// with a |media_resource| of type MediaResource::Type::URL.
class MEDIA_EXPORT DecryptingRenderer : public Renderer { … };

}  // namespace media

#endif  // MEDIA_RENDERERS_DECRYPTING_RENDERER_H_