1 #ifndef __lib_base_filepush_h
2 #define __lib_base_filepush_h
4 #include <lib/base/thread.h>
5 #include <lib/base/ioprio.h>
6 #include <libsig_comp.h>
7 #include <lib/base/message.h>
9 #include <lib/base/rawfile.h>
11 class iFilePushScatterGather
14 virtual void getNextSourceSpan(off_t current_offset, size_t bytes_read, off_t &start, size_t &size)=0;
15 virtual ~iFilePushScatterGather() {}
18 class eFilePushThread: public eThread, public Object
22 eFilePushThread(int prio_class=IOPRIO_CLASS_BE, int prio_level=0, int blocksize=188);
25 void start(int sourcefd, int destfd);
26 int start(const char *filename, int destfd);
28 void start(ePtr<iDataSource> source, int destfd);
31 void seek(int whence, off_t where);
34 /* flushes the internal readbuffer */
36 void enablePVRCommit(int);
38 /* stream mode will wait on EOF until more data is available. */
39 void setStreamMode(int);
41 void setScatterGather(iFilePushScatterGather *);
43 enum { evtEOF, evtReadError, evtWriteError, evtUser };
44 Signal1<void,int> m_event;
46 void installSigUSR1Handler();
47 void before_set_thread_alive();
49 /* you can send private events if you want */
50 void sendEvent(int evt);
52 virtual int filterRecordData(const unsigned char *data, int len, size_t ¤t_span_remaining);
54 iFilePushScatterGather *m_sg;
56 unsigned char m_buffer[65536];
57 int m_buf_start, m_buf_end, m_filter_end;
59 int m_send_pvr_commit;
63 ePtr<iDataSource> m_raw_source;
65 eFixedMessagePump<int> m_messagepump;
67 void recvEvent(const int &evt);