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Added MPEG audio support for DVD

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This commit is contained in:
Klaus Schmidinger 2001-11-10 13:41:22 +01:00
parent 8d7c343a92
commit f131c8c79d
4 changed files with 36 additions and 24 deletions
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1
HISTORY
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@ -871,3 +871,4 @@ Video Disk Recorder Revision History
- Changed version numbering scheme.
- Fixed several channel definitions in 'channels.conf' (thanks to Thilo
Wunderlich).
- Added MPEG audio support for DVD (thanks to Andreas Schultz).

25
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 1.137 2001/11/04 12:05:36 kls Exp $
* $Id: dvbapi.c 1.138 2001/11/10 13:35:22 kls Exp $
*/
//#define DVDDEBUG 1
@ -1348,9 +1348,6 @@ bool cReplayBuffer::NextFile(uchar FileNumber, int FileOffset)
#define cOUTPACK 5
#define cOUTFRAMES 6
#define aAC3 0x80
#define aLPCM 0xA0
// --- cAC3toPCM -------------------------------------------------------------
class cAC3toPCM {
@ -1574,28 +1571,12 @@ cDVDplayBuffer::~cDVDplayBuffer()
unsigned int cDVDplayBuffer::getAudioStream(unsigned int StreamId)
{
unsigned int trackID;
if ((cyclestate < cOPENCHAPTER) || (StreamId > 7))
if (cyclestate < cOPENCHAPTER || StreamId > 7)
return 0;
if (!(cur_pgc->audio_control[StreamId] & 0x8000))
return 0;
int track = (cur_pgc->audio_control[StreamId] >> 8) & 0x07;
switch (vts_file->vtsi_mat->vts_audio_attr[track].audio_format) {
case 0: // ac3
trackID = aAC3;
break;
case 2: // mpeg1
case 3: // mpeg2ext
case 4: // lpcm
case 6: // dts
trackID = aLPCM;
break;
default: esyslog(LOG_ERR, "ERROR: unknown Audio stream info");
return 0;
}
trackID |= track;
return trackID;
return dvd->getAudioTrack(track) | track;
}
void cDVDplayBuffer::ToggleAudioTrack(void)

23
dvd.c
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@ -6,7 +6,7 @@
*
* Initially written by Andreas Schultz <aschultz@warp10.net>
*
* $Id: dvd.c 1.3 2001/08/06 16:07:44 kls Exp $
* $Id: dvd.c 1.4 2001/11/10 13:38:50 kls Exp $
*/
#ifdef DVDSUPPORT
@ -21,6 +21,7 @@
#include <unistd.h>
#include "dvd.h"
#include "tools.h"
// --- cDVD ----------------------------------------------------------------------------
@ -145,4 +146,24 @@ dvd_file_t *cDVD::openTitle(int Title, dvd_read_domain_t domain)
return title;
}
int cDVD::getAudioTrack(int stream)
{
if (getVTS()) {
switch (getVTS()->vtsi_mat->vts_audio_attr[stream].audio_format) {
case 0: // ac3
return aAC3;
case 2: // mpeg1
case 3: // mpeg2ext
return aMPEG;
case 4: // lpcm
return aLPCM;
case 6: // dts
return aDTS;
default:
esyslog(LOG_ERR, "ERROR: unknown Audio stream info");
}
}
return 0;
}
#endif //DVDSUPPORT

11
dvd.h
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@ -6,7 +6,7 @@
*
* Initially written by Andreas Schultz <aschultz@warp10.net>
*
* $Id: dvd.h 1.3 2001/08/05 16:00:57 kls Exp $
* $Id: dvd.h 1.4 2001/11/10 13:38:25 kls Exp $
*/
#ifndef __DVD_H
@ -21,6 +21,11 @@
#include <dvdread/nav_read.h>
#include <dvdread/nav_print.h>
#define aAC3 0x80
#define aDTS 0x88
#define aLPCM 0xA0
#define aMPEG 0xC0
class cDVD {
private:
static cDVD *dvdInstance;
@ -44,8 +49,12 @@ public:
bool isValid(void) { return (dvd != NULL); }
ifo_handle_t *openVMG(void);
ifo_handle_t *openVTS(int TitleSet);
ifo_handle_t *getVTS() { return vts_file; }
dvd_file_t *openTitle(int Title, dvd_read_domain_t domain);
static cDVD *getDVD(void);
int getAudioNrOfTracks() { return getVTS() ? getVTS()->vtsi_mat->nr_of_vts_audio_streams : 0; }
int getAudioLanguage(int stream) { return getVTS() ? getVTS()->vtsi_mat->vts_audio_attr[stream].lang_code : 0; }
int getAudioTrack(int stream);
};
#endif //DVDSUPPORT