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Added a poll to cDvbDevice::PlayVideo() and cDvbDevice::PlayAudio() to avoid excessive CPU load

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This commit is contained in:
Klaus Schmidinger 2008-12-28 11:03:00 +01:00
parent 7b2085b575
commit 7470253c60
2 changed files with 13 additions and 2 deletions
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5
HISTORY
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@ -5849,10 +5849,13 @@ Video Disk Recorder Revision History
the patch from ftp://ftp.cadsoft.de/vdr/Developer/av7110_v4ldvb_api5_audiobuf_test_1.diff the patch from ftp://ftp.cadsoft.de/vdr/Developer/av7110_v4ldvb_api5_audiobuf_test_1.diff
to the driver (thanks to Oliver Endriss). to the driver (thanks to Oliver Endriss).
2008-12-22: Version 1.7.3 2008-12-28: Version 1.7.3
- Updated the Russian OSD texts (thanks to Oleg Roitburd). - Updated the Russian OSD texts (thanks to Oleg Roitburd).
- Fixed handling the 'pointer field' in generating and parsing PAT/PMT (thanks to - Fixed handling the 'pointer field' in generating and parsing PAT/PMT (thanks to
Frank Schmirler). Frank Schmirler).
- Fixed handling modulation types for DVB-S transponders when processing the NIT. - Fixed handling modulation types for DVB-S transponders when processing the NIT.
- Changed cDvbDevice::GrabImage() to use V4L2 (thanks to Marco Schlüßler). - Changed cDvbDevice::GrabImage() to use V4L2 (thanks to Marco Schlüßler).
- Added a poll to cDvbDevice::PlayVideo() and cDvbDevice::PlayAudio() to avoid
excessive CPU load (this is just a makeshift solution until the FF DVB cards
can play TS directly).

10
dvbdevice.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: dvbdevice.c 2.7 2008/12/22 10:24:10 kls Exp $ * $Id: dvbdevice.c 2.8 2008/12/28 10:59:51 kls Exp $
*/ */
#include "dvbdevice.h" #include "dvbdevice.h"
@ -1303,6 +1303,10 @@ int cDvbDevice::PlayVideo(const uchar *Data, int Length)
int w; int w;
do { do {
w = WriteAllOrNothing(fd_video, Data, Length, 1000, 10); w = WriteAllOrNothing(fd_video, Data, Length, 1000, 10);
if (w < 0 && errno == EAGAIN) {
cPoller Poller(fd_video, true);
Poller.Poll(200);
}
} while (w != Length); } while (w != Length);
return w; return w;
} }
@ -1312,6 +1316,10 @@ int cDvbDevice::PlayAudio(const uchar *Data, int Length, uchar Id)
int w; int w;
do { do {
w = WriteAllOrNothing(fd_audio, Data, Length, 1000, 10); w = WriteAllOrNothing(fd_audio, Data, Length, 1000, 10);
if (w < 0 && errno == EAGAIN) {
cPoller Poller(fd_audio, true);
Poller.Poll(200);
}
} while (w != Length); } while (w != Length);
return w; return w;
} }