From 158e6cd69d33bb56e4ae498f7799bd67ba7148d7 Mon Sep 17 00:00:00 2001 From: Felix Domke Date: Sun, 13 Nov 2005 18:25:50 +0000 Subject: [PATCH 1/1] flush PVR --- lib/dvb/dvb.cpp | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/lib/dvb/dvb.cpp b/lib/dvb/dvb.cpp index a2a37758..31cf7720 100644 --- a/lib/dvb/dvb.cpp +++ b/lib/dvb/dvb.cpp @@ -9,6 +9,7 @@ #include #include #include +#include DEFINE_REF(eDVBRegisteredFrontend); DEFINE_REF(eDVBRegisteredDemux); @@ -638,10 +639,29 @@ RESULT eDVBChannel::seekTo(pts_t &pts) RESULT eDVBChannel::seekToPosition(int relative, const off_t &r) { + /* when seeking, we have to ensure that all buffers are flushed. + there are basically 3 buffers: + a.) the filepush's internal buffer + b.) the PVR buffer (before demux) + c.) the ratebuffer (after demux) + + it's important to clear them in the correct order, otherwise + the ratebuffer (for example) would immediately refill from + the not-yet-flushed PVR buffer. + */ eDebug("eDVBChannel: seekToPosition .. %llx", r); m_pvr_thread->pause(); + + /* flush internal filepush buffer */ + m_pvr_thread->flush(); + + /* HACK: flush PVR buffer */ + ::ioctl(m_pvr_fd_dst, 0); + + /* flush ratebuffers (video, audio) */ if (m_decoder_demux) m_decoder_demux->get().flush(); + /* demux will also flush all decoder.. */ m_pvr_thread->seek(relative ? SEEK_CUR : SEEK_SET, r); m_pvr_thread->resume(); -- 2.30.2