+int eDVBTSTools::calcBitrate()
+{
+ calcBegin(); calcEnd();
+ if (!(m_begin_valid && m_end_valid))
+ return -1;
+
+ pts_t len_in_pts = m_pts_end - m_pts_begin;
+ off_t len_in_bytes = m_offset_end - m_offset_begin;
+
+ if (!len_in_pts)
+ return -1;
+
+ unsigned long long bitrate = len_in_bytes * 90000 * 8 / len_in_pts;
+ if ((bitrate < 10000) || (bitrate > 100000000))
+ return -1;
+
+ return bitrate;
+}