X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/d375f3ea3ead88dcc4f41c6e5c551370cd305755..09047544dbeddd0a5df972934c8863bef9e11a99:/lib/dvb/tstools.h

diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h
index c6f2cbbc..13168253 100644
--- a/lib/dvb/tstools.h
+++ b/lib/dvb/tstools.h
@@ -2,41 +2,77 @@
 #define __lib_dvb_tstools_h
 
 #include <sys/types.h>
+#include <lib/dvb/pvrparse.h>
+#include <lib/base/rawfile.h>
 
 /*
  * Note: we're interested in PTS values, not STC values.
- * thus we're not evaluating PES headers, not adaption fields.
+ * thus we're evaluating PES headers, not adaption fields.
  */
 
+typedef long long pts_t;
+
 class eDVBTSTools
 {
 public:
-	typedef unsigned long long pts_t;
 	eDVBTSTools();
 	~eDVBTSTools();
 
-	int openFile(const char *filename);
+	int openFile(const char *filename, int nostreaminfo = 0);
 	void closeFile();
 	
 	void setSyncPID(int pid);
 	void setSearchRange(int maxrange);
 	
 		/* get first PTS *after* the given offset. */
-	int getPTS(off_t &offset, pts_t &pts);
+		/* pts values are zero-based. */
+	int getPTS(off_t &offset, pts_t &pts, int fixed=0);
+	
+		/* this fixes up PTS to end up in a [0..len) range.
+		   discontinuities etc. are handled here.
+		
+		  input: 	
+		    offset - approximate offset in file to resolve ambiguities
+		    pts - video-pts (i.e. current STC of video decoder)
+		  output:
+		    pts - zero-based PTS value
+		*/
+	int fixupPTS(const off_t &offset, pts_t &pts);
+	
+		/* get (approximate) offset corresponding to PTS */
+	int getOffset(off_t &offset, pts_t &pts);
+	
+	int getNextAccessPoint(pts_t &ts, const pts_t &start, int direction);
 	
 	void calcBegin();
 	void calcEnd();
 	
 	int calcLen(pts_t &len);
 	
+	int calcBitrate(); /* in bits/sec */
+	
+	void takeSamples();
+	int takeSample(off_t off, pts_t &p);
+	
+	int findPMT(int &pmt_pid, int &service_id);
 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