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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_
#define MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "media/blink/media_blink_export.h"
#include "media/filters/context_3d.h"
namespace base {
class SingleThreadTaskRunner;
class TaskRunner;
}
namespace blink {
class WebContentDecryptionModule;
class WebMediaPlayerClient;
}
namespace media {
class RestartableAudioRendererSink;
class MediaLog;
class MediaPermission;
// Holds parameters for constructing WebMediaPlayerImpl without having
// to plumb arguments through various abstraction layers.
class MEDIA_BLINK_EXPORT WebMediaPlayerParams {
public:
typedef base::Callback<void(const base::Closure&)> DeferLoadCB;
typedef base::Callback<Context3D()> Context3DCB;
// Callback to tell V8 about the amount of memory used by the WebMediaPlayer
// instance. The input parameter is the delta in bytes since the last call to
// AdjustAllocatedMemoryCB and the return value is the total number of bytes
// used by objects external to V8. Note: this value includes things that are
// not the WebMediaPlayer!
typedef base::Callback<int64_t(int64_t)> AdjustAllocatedMemoryCB;
// |defer_load_cb|, |audio_renderer_sink|, |compositor_task_runner|, and
// |context_3d_cb| may be null.
WebMediaPlayerParams(
const DeferLoadCB& defer_load_cb,
const scoped_refptr<RestartableAudioRendererSink>& audio_renderer_sink,
const scoped_refptr<MediaLog>& media_log,
const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
const scoped_refptr<base::TaskRunner>& worker_task_runner,
const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
const Context3DCB& context_3d,
const AdjustAllocatedMemoryCB& adjust_allocated_memory_cb,
MediaPermission* media_permission,
blink::WebContentDecryptionModule* initial_cdm);
~WebMediaPlayerParams();
DeferLoadCB defer_load_cb() const { return defer_load_cb_; }
const scoped_refptr<RestartableAudioRendererSink>& audio_renderer_sink()
const {
return audio_renderer_sink_;
}
const scoped_refptr<MediaLog>& media_log() const {
return media_log_;
}
const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner() const {
return media_task_runner_;
}
const scoped_refptr<base::TaskRunner> worker_task_runner() const {
return worker_task_runner_;
}
const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner()
const {
return compositor_task_runner_;
}
Context3DCB context_3d_cb() const { return context_3d_cb_; }
MediaPermission* media_permission() const { return media_permission_; }
blink::WebContentDecryptionModule* initial_cdm() const {
return initial_cdm_;
}
AdjustAllocatedMemoryCB adjust_allocated_memory_cb() const {
return adjust_allocated_memory_cb_;
}
private:
DeferLoadCB defer_load_cb_;
scoped_refptr<RestartableAudioRendererSink> audio_renderer_sink_;
scoped_refptr<MediaLog> media_log_;
scoped_refptr<base::SingleThreadTaskRunner> media_task_runner_;
scoped_refptr<base::TaskRunner> worker_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
Context3DCB context_3d_cb_;
AdjustAllocatedMemoryCB adjust_allocated_memory_cb_;
// TODO(xhwang): Remove after prefixed EME API support is removed.
MediaPermission* media_permission_;
blink::WebContentDecryptionModule* initial_cdm_;
DISALLOW_IMPLICIT_CONSTRUCTORS(WebMediaPlayerParams);
};
} // namespace media
#endif // MEDIA_BLINK_WEBMEDIAPLAYER_PARAMS_H_
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