1 /* 2 * Copyright 2014, Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _MEDIA_RECORDER_H 6 #define _MEDIA_RECORDER_H 7 8 9 #include <MediaDefs.h> 10 #include <MediaNode.h> 11 12 13 namespace BPrivate { namespace media { 14 class BMediaRecorderNode; 15 } 16 } 17 18 19 class BMediaRecorder { 20 public: 21 enum notification { 22 B_WILL_START = 1, // performance_time 23 B_WILL_STOP, // performance_time immediate 24 B_WILL_SEEK, // performance_time media_time 25 B_WILL_TIMEWARP, // real_time performance_time 26 }; 27 28 typedef void (*ProcessFunc)(void* cookie, 29 bigtime_t timestamp, void* data, 30 size_t size, const media_format& format); 31 32 typedef void (*NotifyFunc)(void* cookie, 33 notification what, ...); 34 35 public: 36 BMediaRecorder(const char* name, 37 media_type type 38 = B_MEDIA_UNKNOWN_TYPE); 39 40 virtual ~BMediaRecorder(); 41 42 status_t InitCheck() const; 43 44 status_t SetHooks(ProcessFunc recordFunc = NULL, 45 NotifyFunc notifyFunc = NULL, 46 void* cookie = NULL); 47 48 void SetAcceptedFormat( 49 const media_format& format); 50 const media_format& AcceptedFormat() const; 51 52 virtual status_t Start(bool force = false); 53 virtual status_t Stop(bool force = false); 54 55 virtual status_t Connect(const media_format& format); 56 57 virtual status_t Connect(const dormant_node_info& dormantInfo, 58 const media_format& format); 59 60 virtual status_t Connect(const media_node& node, 61 const media_output* output = NULL, 62 const media_format* format = NULL); 63 64 virtual status_t Disconnect(); 65 66 bool IsConnected() const; 67 bool IsRunning() const; 68 69 const media_format& Format() const; 70 71 protected: 72 // Get the producer node source 73 const media_source& MediaSource() const; 74 // This is the our own input 75 const media_input MediaInput() const; 76 77 virtual void BufferReceived(void* buffer, size_t size, 78 const media_header& header); 79 80 status_t SetUpConnection(media_source outputSource); 81 82 private: 83 84 status_t _Connect(const media_node& mediaNode, 85 const media_output* output, 86 const media_format& format); 87 88 virtual void _ReservedMediaRecorder0(); 89 virtual void _ReservedMediaRecorder1(); 90 virtual void _ReservedMediaRecorder2(); 91 virtual void _ReservedMediaRecorder3(); 92 virtual void _ReservedMediaRecorder4(); 93 virtual void _ReservedMediaRecorder5(); 94 virtual void _ReservedMediaRecorder6(); 95 virtual void _ReservedMediaRecorder7(); 96 97 status_t fInitErr; 98 99 bool fConnected; 100 bool fRunning; 101 bool fReleaseOutputNode; 102 103 ProcessFunc fRecordHook; 104 NotifyFunc fNotifyHook; 105 106 media_node fOutputNode; 107 media_source fOutputSource; 108 109 BPrivate::media::BMediaRecorderNode* fNode; 110 111 void* fBufferCookie; 112 uint32 fPadding[32]; 113 114 friend class BPrivate::media::BMediaRecorderNode; 115 }; 116 117 #endif // _MEDIA_RECORDER_H 118