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Code Issues Releases Wiki Activity

Improved AC3 decoding when replaying DVDs

This commit is contained in:
Klaus Schmidinger 2001-08-10 12:42:10 +02:00
parent 89bf34e362
commit 4ea2daeebe
4 changed files with 11 additions and 12 deletions
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3
CONTRIBUTORS
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@ -119,3 +119,6 @@ Wolfgang Henselmann-Weiss <Wolfgang_Henselmann@betaresearch.de>
Uwe Scheffler <UweScheffler@t-online.de>
for his help in keeping 'channels.conf.cable' up to date
Matjaz Thaler <matjaz.thaler@guest.arnes.si>
for improving AC3 decoding when replaying DVDs

3
HISTORY
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@ -622,9 +622,10 @@ Video Disk Recorder Revision History
- Fixed calculating the timeout value in cFile::FileReady() (thanks to
Wolfgang Henselmann-Weiss).
2001-08-08: Version 0.91
2001-08-10: Version 0.91
- Fixed displaying colored button texts that are too long.
- Suppressing replay progress display when replaying a DVD.
- Updated channels.conf.cable (thanks to Uwe Scheffler).
- Updated French OSD texts (thanks to Jean-Claude Repetto).
- Improved AC3 decoding when replaying DVDs (thanks to Matjaz Thaler).

4
config.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: config.h 1.57 2001/08/05 15:50:00 kls Exp $
* $Id: config.h 1.58 2001/08/10 12:40:43 kls Exp $
*/
#ifndef __CONFIG_H
@ -19,7 +19,7 @@
#include "eit.h"
#include "tools.h"
#define VDRVERSION "0.90"
#define VDRVERSION "0.91"
#define MaxBuffer 10000

13
dvbapi.c
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@ -7,7 +7,7 @@
* DVD support initially written by Andreas Schultz <aschultz@warp10.net>
* based on dvdplayer-0.5 by Matjaz Thaler <matjaz.thaler@guest.arnes.si>
*
* $Id: dvbapi.c 1.101 2001/08/06 16:24:13 kls Exp $
* $Id: dvbapi.c 1.102 2001/08/10 12:37:03 kls Exp $
*/
//#define DVDDEBUG 1
@ -53,7 +53,6 @@ extern "C" {
// The size of the array used to buffer video data:
// (must be larger than MINVIDEODATA - see remux.h)
#define VIDEOBUFSIZE (1024*1024)
#define AC3_BUFFER_SIZE (6*1024*16)
// The maximum size of a single frame:
#define MAXFRAMESIZE (192*1024)
@ -1172,7 +1171,6 @@ private:
int logAudioTrack;
int maxAudioTrack;
ac3_config_t ac3_config;
enum { AC3_STOP, AC3_START, AC3_PLAY } ac3stat;
uchar *ac3data;
int ac3inp;
@ -1231,10 +1229,7 @@ cDVDplayBuffer::cDVDplayBuffer(cDvbApi *DvbApi, int VideoDev, int AudioDev, cDVD
skipCnt = 0;
logAudioTrack = 0;
canToggleAudioTrack = true;//XXX determine from cDVD!
ac3_config.num_output_ch = 2;
// ac3_config.flags = /* mm_accel() | */ MM_ACCEL_MLIB;
ac3_config.flags = 0;
ac3_init(&ac3_config);
ac3dec_init();
data = new uchar[1024 * DVD_VIDEO_LB_LEN];
ac3data = new uchar[AC3_BUFFER_SIZE];
ac3inp = ac3outp = 0;
@ -1823,9 +1818,9 @@ void cDVDplayBuffer::handleAC3(unsigned char *sector, int length)
}
else {
if (ac3stat == AC3_PLAY)
ac3_decode_data(sector, sector+length, 0, &ac3inp, &ac3outp, (char *)ac3data);
ac3dec_decode_data(sector, sector + length, 0, &ac3inp, &ac3outp, (char *)ac3data);
else if (ac3stat == AC3_START) {
ac3_decode_data(sector, sector+length, 1, &ac3inp, &ac3outp, (char *)ac3data);
ac3dec_decode_data(sector, sector + length, 1, &ac3inp, &ac3outp, (char *)ac3data);
ac3stat = AC3_PLAY;
}
}