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fix pts relative seeking, make pts_t signed
author
Felix Domke
<tmbinc@elitedvb.net>
Tue, 15 Nov 2005 05:06:43 +0000
(
05:06
+0000)
committer
Felix Domke
<tmbinc@elitedvb.net>
Tue, 15 Nov 2005 05:06:43 +0000
(
05:06
+0000)
lib/dvb/dvb.cpp
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lib/dvb/dvb.h
patch
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lib/dvb/idvb.h
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lib/service/iservice.h
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lib/service/servicedvb.cpp
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diff --git
a/lib/dvb/dvb.cpp
b/lib/dvb/dvb.cpp
index 78cef639263b79046176c181e29618e52146ac1f..ed972bf1d0d2fd7ab9522e480cecd3ec945f2efc 100644
(file)
--- a/
lib/dvb/dvb.cpp
+++ b/
lib/dvb/dvb.cpp
@@
-618,27
+618,34
@@
RESULT eDVBChannel::getCurrentPosition(pts_t &pos)
return 0;
}
return 0;
}
-RESULT eDVBChannel::seekTo(pts_t &pts)
+RESULT eDVBChannel::seekTo(
int relative,
pts_t &pts)
{
{
-#if 0
- eDebug("eDVBChannel: seekTo .. %llx", pts);
- m_pvr_thread->pause();
- if (m_decoder_demux)
- m_decoder_demux->get().flush();
- /* demux will also flush all decoder.. */
+ int bitrate = m_tstools.calcBitrate(); /* in bits/s */
- off_t r;
+ if (bitrate == -1)
+ return -1;
- if (!m_tstools.getPosition(pts, r));
- m_pvr_thread->seek(r);
- else
- eDebug("getPosition failed!");
- m_pvr_thread->resume();
-#endif
+ if (relative)
+ {
+ pts_t now;
+ if (getCurrentPosition(now))
+ {
+ eDebug("seekTo: getCurrentPosition failed!");
+ return -1;
+ }
+ pts += now;
+ }
+
+ if (pts < 0)
+ pts = 0;
+
+ off_t offset = (pts * (pts_t)bitrate) / 8ULL / 90000ULL;
+
+ seekToPosition(offset);
return 0;
}
return 0;
}
-RESULT eDVBChannel::seekToPosition(
int relative,
const off_t &r)
+RESULT eDVBChannel::seekToPosition(const off_t &r)
{
/* when seeking, we have to ensure that all buffers are flushed.
there are basically 3 buffers:
{
/* when seeking, we have to ensure that all buffers are flushed.
there are basically 3 buffers:
@@
-664,7
+671,7
@@
RESULT eDVBChannel::seekToPosition(int relative, const off_t &r)
m_decoder_demux->get().flush();
/* demux will also flush all decoder.. */
m_decoder_demux->get().flush();
/* demux will also flush all decoder.. */
- m_pvr_thread->seek(
relative ? SEEK_CUR :
SEEK_SET, r);
+ m_pvr_thread->seek(SEEK_SET, r);
m_pvr_thread->resume();
return 0;
}
m_pvr_thread->resume();
return 0;
}
diff --git
a/lib/dvb/dvb.h
b/lib/dvb/dvb.h
index 01a0e47ea36cc6838f8fff207ac67366bc43c09f..b739f0aeff9ce062765bc74d507440572116d672 100644
(file)
--- a/
lib/dvb/dvb.h
+++ b/
lib/dvb/dvb.h
@@
-192,8
+192,10
@@
public:
RESULT playFile(const char *file);
RESULT getLength(pts_t &len);
RESULT getCurrentPosition(pts_t &pos);
RESULT playFile(const char *file);
RESULT getLength(pts_t &len);
RESULT getCurrentPosition(pts_t &pos);
- RESULT seekTo(pts_t &pts);
- RESULT seekToPosition(int relative, const off_t &off);
+ RESULT seekTo(int relative, pts_t &pts);
+ /* seeking to relative positions won't work -
+ there is an unknown amount of buffers in between */
+ RESULT seekToPosition(const off_t &off);
private:
ePtr<eDVBAllocatedFrontend> m_frontend;
private:
ePtr<eDVBAllocatedFrontend> m_frontend;
diff --git
a/lib/dvb/idvb.h
b/lib/dvb/idvb.h
index a23960af5607858547c5a5253ca54b78b4d035ae..b68c014bd7e77d93bf009830bbc701534fe96b21 100644
(file)
--- a/
lib/dvb/idvb.h
+++ b/
lib/dvb/idvb.h
@@
-470,7
+470,8
@@
public:
virtual void ReleaseUse() = 0;
};
virtual void ReleaseUse() = 0;
};
-typedef unsigned long long pts_t;
+ /* signed, so we can express deltas. */
+typedef long long pts_t;
class iDVBPVRChannel: public iDVBChannel
{
class iDVBPVRChannel: public iDVBChannel
{
@@
-486,8
+487,8
@@
public:
virtual RESULT getLength(pts_t &pts) = 0;
virtual RESULT getCurrentPosition(pts_t &pos) = 0;
virtual RESULT getLength(pts_t &pts) = 0;
virtual RESULT getCurrentPosition(pts_t &pos) = 0;
- virtual RESULT seekTo(pts_t &pts) = 0;
- virtual RESULT seekToPosition(
int relative,
const off_t &pts) = 0;
+ virtual RESULT seekTo(
int relative,
pts_t &pts) = 0;
+ virtual RESULT seekToPosition(const off_t &pts) = 0;
};
class iDVBSectionReader;
};
class iDVBSectionReader;
diff --git
a/lib/service/iservice.h
b/lib/service/iservice.h
index 376ed02790ab490a28f17a8efbfa6201fc8aec61..98b9ba0b9aa3cfb931bf6eb36c8dd4844ca18377 100644
(file)
--- a/
lib/service/iservice.h
+++ b/
lib/service/iservice.h
@@
-146,7
+146,7
@@
public:
SWIG_ALLOW_OUTPUT_SIMPLE(eServiceReference);
SWIG_ALLOW_OUTPUT_SIMPLE(eServiceReference);
-typedef
unsigned
long long pts_t;
+typedef long long pts_t;
/* the reason we have the servicereference as additional argument is
that we don't have to create one object for every entry in a possibly
/* the reason we have the servicereference as additional argument is
that we don't have to create one object for every entry in a possibly
diff --git
a/lib/service/servicedvb.cpp
b/lib/service/servicedvb.cpp
index d49c5f6d3853d5f127007bfd8b34a3d8795ac043..f805ee70271cdb49408e8f75016c5b9fd3b7daff 100644
(file)
--- a/
lib/service/servicedvb.cpp
+++ b/
lib/service/servicedvb.cpp
@@
-652,8
+652,9
@@
RESULT eDVBServicePlay::seekRelative(int direction, pts_t to)
if (m_service_handler.getPVRChannel(pvr_channel))
return -1;
if (m_service_handler.getPVRChannel(pvr_channel))
return -1;
- /* this is of couse wrong: PTS values don't match with bytes. */
- return pvr_channel->seekToPosition(SEEK_CUR, direction * to);
+ to *= direction;
+
+ return pvr_channel->seekTo(1, to);
}
RESULT eDVBServicePlay::getPlayPosition(pts_t &pos)
}
RESULT eDVBServicePlay::getPlayPosition(pts_t &pos)