X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=blobdiff_plain;f=lib%2Fdvb%2Ftstools.h;h=c230a341e580f8e914de48cda41370f7681153a4;hp=723207d312f29cf2036a54c826b824fda085ab84;hb=9c998a40679f9b630ccf8cc6fda7384ce94c30e5;hpb=95039ba3e50f5df85e6e1e2d4108486fd28f2264

diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h
index 723207d..c230a34 100644
--- a/lib/dvb/tstools.h
+++ b/lib/dvb/tstools.h
@@ -3,6 +3,7 @@
 
 #include <sys/types.h>
 #include <lib/dvb/pvrparse.h>
+#include <lib/base/rawfile.h>
 
 /*
  * Note: we're interested in PTS values, not STC values.
@@ -17,7 +18,7 @@ public:
 	eDVBTSTools();
 	~eDVBTSTools();
 
-	int openFile(const char *filename);
+	int openFile(const char *filename, int nostreaminfo = 0);
 	void closeFile();
 	
 	void setSyncPID(int pid);
@@ -38,6 +39,11 @@ public:
 		*/
 	int fixupPTS(const off_t &offset, pts_t &pts);
 	
+		/* get (approximate) offset corresponding to PTS */
+	int getOffset(off_t &offset, pts_t &pts, int marg=0);
+	
+	int getNextAccessPoint(pts_t &ts, const pts_t &start, int direction);
+	
 	void calcBegin();
 	void calcEnd();
 	
@@ -45,16 +51,45 @@ public:
 	
 	int calcBitrate(); /* in bits/sec */
 	
+	void takeSamples();
+	int takeSample(off_t off, pts_t &p);
+	
+	int findPMT(int &pmt_pid, int &service_id);
+	
+	enum { 
+		frametypeI = 1, 
+		frametypeP = 2, 
+		frametypeB = 4, 
+		frametypeAll = frametypeI | frametypeP | frametypeB
+	};
+	/** findFrame: finds a specific frame at a given position
+	
+	findFrame will look for the specified frame type starting at the given position, moving forward
+	(when direction is >0) or backward (when direction is <0). (direction=0 is a special case and also moves
+	forward, but starts with the last frame.)
+	
+	return values are the new offset, the length of the found frame (both unaligned), and the (signed) 
+	number of frames skipped. */
+	int findFrame(off_t &offset, size_t &len, int &direction, int frame_types = frametypeI);
+	int findNextPicture(off_t &offset, size_t &len, int &distance, int frame_types = frametypeAll);
 private:
-	int m_fd, m_pid;
+	int m_pid;
 	int m_maxrange;
 	
+	eRawFile m_file;
+	
 	int m_begin_valid, m_end_valid;
 	pts_t m_pts_begin, m_pts_end;
 	off_t m_offset_begin, m_offset_end;
 	
+		/* for simple linear interpolation */
+	std::map<pts_t, off_t> m_samples;
+	int m_samples_taken;
+	
 	eMPEGStreamInformation m_streaminfo;
 	int m_use_streaminfo;
+	off_t m_last_filelength;
+	int m_futile;
 };
 
 #endif