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// Copyright 2014 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_MOJO_CLIENTS_MOJO_DEMUXER_STREAM_IMPL_H_
#define MEDIA_MOJO_CLIENTS_MOJO_DEMUXER_STREAM_IMPL_H_
#include <memory>
#include "base/callback_forward.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "media/base/demuxer_stream.h"
#include "media/mojo/mojom/demuxer_stream.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
namespace media {
class DemuxerStream;
class MojoDecoderBufferWriter;
// This class wraps a media::DemuxerStream and exposes it as a
// mojom::DemuxerStream for use as a proxy from remote applications.
class MojoDemuxerStreamImpl : public mojom::DemuxerStream {
public:
// |stream| is the underlying DemuxerStream we are proxying for.
// Note: |this| does not take ownership of |stream|.
MojoDemuxerStreamImpl(media::DemuxerStream* stream,
mojo::PendingReceiver<mojom::DemuxerStream> receiver);
MojoDemuxerStreamImpl(const MojoDemuxerStreamImpl&) = delete;
MojoDemuxerStreamImpl& operator=(const MojoDemuxerStreamImpl&) = delete;
~MojoDemuxerStreamImpl() override;
// mojom::DemuxerStream implementation.
// InitializeCallback and ReadCallback are defined in
// mojom::DemuxerStream.
void Initialize(InitializeCallback callback) override;
void Read(ReadCallback callback) override;
void EnableBitstreamConverter() override;
// Sets an error handler that will be called if a connection error occurs on
// the bound message pipe.
void set_disconnect_handler(base::OnceClosure error_handler) {
receiver_.set_disconnect_handler(std::move(error_handler));
}
private:
using Type = media::DemuxerStream::Type;
using Status = media::DemuxerStream::Status;
void OnBufferReady(ReadCallback callback,
Status status,
scoped_refptr<DecoderBuffer> buffer);
mojo::Receiver<mojom::DemuxerStream> receiver_;
// See constructor. We do not own |stream_|.
media::DemuxerStream* stream_;
std::unique_ptr<MojoDecoderBufferWriter> mojo_decoder_buffer_writer_;
base::WeakPtrFactory<MojoDemuxerStreamImpl> weak_factory_{this};
};
} // namespace media
#endif // MEDIA_MOJO_CLIENTS_MOJO_DEMUXER_STREAM_IMPL_H_
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