From: ghost Date: Tue, 30 Nov 2010 00:51:02 +0000 (+0100) Subject: disable backtrack to prev sequence start code X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=commitdiff_plain;h=0c264458b72ac77a0129c8a702d3e8dad70f0e49;ds=inline disable backtrack to prev sequence start code this code have to be reviewed.. it breaks fast forward winding with speed > 32x refs #570 --- diff --git a/lib/dvb/tstools.cpp b/lib/dvb/tstools.cpp index a0e4eb1..438f6d6 100644 --- a/lib/dvb/tstools.cpp +++ b/lib/dvb/tstools.cpp @@ -700,6 +700,7 @@ int eDVBTSTools::findFrame(off_t &_offset, size_t &len, int &direction, int fram } off_t start = offset; +#if 0 /* backtrack to find the previous sequence start, in case of MPEG2 */ if ((data & 0xFF) == 0x00) { do { @@ -714,6 +715,8 @@ int eDVBTSTools::findFrame(off_t &_offset, size_t &len, int &direction, int fram start = offset; /* Failed to find corresponding sequence start, so never mind */ } +#endif + /* let's find the next frame after the given offset */ do { if (m_streaminfo.getStructureEntry(offset, data, 1)) @@ -729,9 +732,11 @@ int eDVBTSTools::findFrame(off_t &_offset, size_t &len, int &direction, int fram // eDebug("%08llx@%llx (next)", data, offset); } while (((data & 0xFF) != 9) && ((data & 0xFF) != 0x00)); /* next frame */ +#if 0 /* align to TS pkt start */ start = start - (start % 188); offset = offset - (offset % 188); +#endif len = offset - start; _offset = start;