111 lines
2.3 KiB
C++
111 lines
2.3 KiB
C++
/*
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* Copyright 2015-2018, Dario Casalinuovo. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _MEDIA_CLIENT_DEFS_H
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#define _MEDIA_CLIENT_DEFS_H
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#include <MediaDefs.h>
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#include <MediaNode.h>
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namespace BPrivate { namespace media {
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typedef int64 media_client_id;
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typedef int64 media_connection_id;
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typedef uint64 media_client_kinds;
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typedef uint64 media_connection_kinds;
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enum media_client_kind {
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// The client can receive media data.
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B_MEDIA_RECORDER = 0x000000001,
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// The client can send media data to another client.
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B_MEDIA_PLAYER = 0x000000002,
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// The client specify a control GUI which can be used to configure it.
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B_MEDIA_CONTROLLABLE = 0x000000004
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};
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enum media_connection_kind {
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B_MEDIA_INPUT = 0,
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B_MEDIA_OUTPUT = 1
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};
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typedef struct media_client {
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media_client_id Id() const;
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media_client_kinds Kinds() const;
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BMessage* ToMessage();
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private:
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media_client_kinds kinds;
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media_node node;
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uint32 padding[16];
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friend class BMediaClient;
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friend class BMediaConnection;
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friend class media_connection;
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} media_client;
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typedef struct media_connection {
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media_connection_id Id() const;
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media_connection_kinds Kinds() const;
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const media_client& Client() const;
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const char* Name() const;
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bool IsInput() const;
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bool IsOutput() const;
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BMessage* ToMessage() const;
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private:
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// NOTE: We are doing this on purpose to avoid redundancy we
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// want to build the input/output on the fly. In pratice, the
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// only thing that can change is the format which is kept updated
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// to reflect the current status of this connection.
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media_input _BuildMediaInput() const;
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media_output _BuildMediaOutput() const;
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media_node _Node() const;
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media_connection_id id;
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media_client client;
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media_node remote_node;
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media_source source;
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media_destination destination;
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// This format always reflect the most updated format depending
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// on the connection phase.
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media_format format;
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char name[B_MEDIA_NAME_LENGTH];
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media_connection_kinds kinds;
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uint32 padding[16];
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friend class BMediaClient;
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friend class BMediaClientNode;
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friend class BMediaConnection;
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friend class BMediaInput;
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friend class BMediaOutput;
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} media_connection;
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}
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}
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using namespace BPrivate::media;
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#endif
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