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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_BREAKOUT_BOX_FRAME_QUEUE_TRANSFERRING_OPTIMIZER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_BREAKOUT_BOX_FRAME_QUEUE_TRANSFERRING_OPTIMIZER_H_
#include "base/memory/scoped_refptr.h"
#include "base/task/sequenced_task_runner.h"
#include "third_party/blink/renderer/core/streams/readable_stream_transferring_optimizer.h"
#include "third_party/blink/renderer/modules/breakout_box/frame_queue_underlying_source.h"
#include "third_party/blink/renderer/modules/breakout_box/transferred_frame_queue_underlying_source.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/cross_thread_persistent.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"
namespace blink {
template <typename NativeFrameType>
class FrameQueueTransferringOptimizer final
: public ReadableStreamTransferringOptimizer {
public:
using FrameQueueHost = FrameQueueUnderlyingSource<NativeFrameType>;
using ConnectHostCallback = CrossThreadOnceFunction<void(
scoped_refptr<base::SequencedTaskRunner>,
CrossThreadPersistent<
TransferredFrameQueueUnderlyingSource<NativeFrameType>>)>;
FrameQueueTransferringOptimizer(
FrameQueueHost*,
scoped_refptr<base::SequencedTaskRunner> host_runner,
wtf_size_t max_queue_size,
ConnectHostCallback connect_host_callback,
CrossThreadOnceFunction<void()> transferred_source_destroyed_callback);
~FrameQueueTransferringOptimizer() override = default;
UnderlyingSourceBase* PerformInProcessOptimization(
ScriptState* script_state) override;
private:
CrossThreadWeakPersistent<FrameQueueHost> host_;
scoped_refptr<base::SequencedTaskRunner> host_runner_;
ConnectHostCallback connect_host_callback_;
CrossThreadOnceFunction<void()> transferred_source_destroyed_callback_;
wtf_size_t max_queue_size_;
};
extern template class MODULES_EXTERN_TEMPLATE_EXPORT
FrameQueueTransferringOptimizer<scoped_refptr<media::VideoFrame>>;
extern template class MODULES_EXTERN_TEMPLATE_EXPORT
FrameQueueTransferringOptimizer<scoped_refptr<media::AudioBuffer>>;
using VideoFrameQueueTransferOptimizer =
FrameQueueTransferringOptimizer<scoped_refptr<media::VideoFrame>>;
using AudioDataQueueTransferOptimizer =
FrameQueueTransferringOptimizer<scoped_refptr<media::AudioBuffer>>;
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_BREAKOUT_BOX_FRAME_QUEUE_TRANSFERRING_OPTIMIZER_H_
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