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Code Issues Releases Wiki Activity

Extended some buffer sizes to allow handling HDTV streams

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This commit is contained in:
Klaus Schmidinger 2005-01-16 15:30:43 +01:00
parent 8c0981583f
commit 7276c54baf
5 changed files with 10 additions and 7 deletions
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1
CONTRIBUTORS
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@ -909,6 +909,7 @@ Reinhard Nissl <rnissl@gmx.de>
call from cDvbPlayer::Action()
for reporting a race condition in starting a thread
for implementing cDolbyRepacker for better handling of Dolby Digital PES packets
for extending some buffer sizes to allow handling HDTV streams
Richard Robson <richard_robson@beeb.net>
for reporting freezing replay if a timer starts while in Transfer Mode from the

2
HISTORY
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@ -3320,3 +3320,5 @@ Video Disk Recorder Revision History
cRemux::cRemux()
- Fixed a possible race condition in cDevice::Action() and cTSBuffer::Action()
(thanks to Stefan Huelswitt).
- Extended some buffer sizes to allow handling HDTV streams (thanks to Reinhard
Nissl).

6
recording.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: recording.h 1.33 2004/12/26 11:47:35 kls Exp $
* $Id: recording.h 1.34 2005/01/16 15:11:31 kls Exp $
*/
#ifndef __RECORDING_H
@ -121,8 +121,8 @@ public:
//XXX+
#define FRAMESPERSEC 25
// The maximum size of a single frame:
#define MAXFRAMESIZE KILOBYTE(192)
// The maximum size of a single frame (up to HDTV 1920x1080):
#define MAXFRAMESIZE KILOBYTE(512)
// The maximum file size is limited by the range that can be covered
// with 'int'. 4GB might be possible (if the range is considered

4
remux.c
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@ -11,7 +11,7 @@
* The cDolbyRepacker code was originally written by Reinhard Nissl <rnissl@gmx.de>,
* and adapted to the VDR coding style by Klaus.Schmidinger@cadsoft.de.
*
* $Id: remux.c 1.25 2005/01/16 14:34:25 kls Exp $
* $Id: remux.c 1.26 2005/01/16 15:22:16 kls Exp $
*/
#include "remux.h"
@ -324,7 +324,7 @@ int cDolbyRepacker::BreakAt(const uchar *Data, int Count)
#define ADAPT_FIELD 0x20
#define MAX_PLENGTH 0xFFFF // the maximum PES packet length (theoretically)
#define MMAX_PLENGTH (8*MAX_PLENGTH) // some stations send PES packets that are extremely large, e.g. DVB-T in Finland
#define MMAX_PLENGTH (64*MAX_PLENGTH) // some stations send PES packets that are extremely large, e.g. DVB-T in Finland or HDTV 1920x1080
#define IPACKS 2048

4
transfer.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: transfer.c 1.23 2005/01/16 13:26:38 kls Exp $
* $Id: transfer.c 1.24 2005/01/16 15:12:58 kls Exp $
*/
#include "transfer.h"
@ -80,7 +80,7 @@ void cTransfer::Action(void)
//XXX To resolve this, the remuxer or PlayPes() should synchronize
//XXX audio with the video frames. 2004/09/09 Werner
if (!GotBufferReserve) {
if (ringBuffer->Available() < 3 * MAXFRAMESIZE / 2) {
if (ringBuffer->Available() < 3 * KILOBYTE(192) / 2) { // used to be MAXFRAMESIZE, but the HDTV value of KILOBYTE(512) is way too much here
cCondWait::SleepMs(20); // allow the buffer to collect some reserve
continue;
}