1 /* 2 * Copyright 2015-2018, Dario Casalinuovo. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 #ifndef _MEDIA_CLIENT_DEFS_H 7 #define _MEDIA_CLIENT_DEFS_H 8 9 #include <MediaDefs.h> 10 #include <MediaNode.h> 11 12 13 namespace BPrivate { namespace media { 14 15 16 typedef int64 media_client_id; 17 typedef int64 media_connection_id; 18 19 typedef uint64 media_client_kinds; 20 typedef uint64 media_connection_kinds; 21 22 23 enum media_client_kind { 24 // The client can receive media data. 25 B_MEDIA_RECORDER = 0x000000001, 26 // The client can send media data to another client. 27 B_MEDIA_PLAYER = 0x000000002, 28 // The client specify a control GUI which can be used to configure it. 29 B_MEDIA_CONTROLLABLE = 0x000000004 30 }; 31 32 enum media_connection_kind { 33 B_MEDIA_INPUT = 0, 34 B_MEDIA_OUTPUT = 1 35 }; 36 37 38 typedef struct media_client { 39 media_client_id Id() const; 40 media_client_kinds Kinds() const; 41 42 BMessage* ToMessage(); 43 44 private: 45 media_client_kinds kinds; 46 47 media_node node; 48 uint32 padding[16]; 49 50 friend class BMediaClient; 51 friend class BMediaConnection; 52 friend class media_connection; 53 } media_client; 54 55 56 typedef struct media_connection { 57 media_connection_id Id() const; 58 media_connection_kinds Kinds() const; 59 60 const media_client& Client() const; 61 62 const char* Name() const; 63 64 bool IsInput() const; 65 bool IsOutput() const; 66 67 BMessage* ToMessage() const; 68 69 private: 70 // NOTE: We are doing this on purpose to avoid redundancy we 71 // want to build the input/output on the fly. In pratice, the 72 // only thing that can change is the format which is kept updated 73 // to reflect the current status of this connection. 74 media_input _BuildMediaInput() const; 75 media_output _BuildMediaOutput() const; 76 77 media_node _Node() const; 78 79 media_connection_id id; 80 81 media_client client; 82 83 media_node remote_node; 84 85 media_source source; 86 media_destination destination; 87 88 // This format always reflect the most updated format depending 89 // on the connection phase. 90 media_format format; 91 char name[B_MEDIA_NAME_LENGTH]; 92 93 media_connection_kinds kinds; 94 uint32 padding[16]; 95 96 friend class BMediaClient; 97 friend class BMediaClientNode; 98 friend class BMediaConnection; 99 friend class BMediaInput; 100 friend class BMediaOutput; 101 } media_connection; 102 103 104 } 105 106 } 107 108 using namespace BPrivate::media; 109 110 #endif 111