- add tstools to evaluate PTS values from TS files for playback

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/dvb/tstools.h b/lib/dvb/tstools.h
new file mode 100644
index 00000000..c6f2cbbc
--- /dev/null
+++ b/lib/dvb/tstools.h
@@ -0,0 +1,42 @@
+#ifndef __lib_dvb_tstools_h
+#define __lib_dvb_tstools_h
+
+#include <sys/types.h>
+
+/*
+ * Note: we're interested in PTS values, not STC values.
+ * thus we're not evaluating PES headers, not adaption fields.
+ */
+
+class eDVBTSTools
+{
+public:
+	typedef unsigned long long pts_t;
+	eDVBTSTools();
+	~eDVBTSTools();
+
+	int openFile(const char *filename);
+	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);
+	
+	void calcBegin();
+	void calcEnd();
+	
+	int calcLen(pts_t &len);
+	
+private:
+	int m_fd, m_pid;
+	int m_maxrange;
+	
+	int m_begin_valid, m_end_valid;
+	pts_t m_pts_begin, m_pts_end;
+	off_t m_offset_begin, m_offset_end;
+};
+
+
+#endif