Re: [Patch] DVD bugfix in ide-cd.c

Re: [Patch] DVD bugfix in ide-cd.c

[Peter Rasmussen]

This patch made it work for me watching DVDs that used to stop, ie. oms
crashed. So I'll approve the patch :-)

Peter

Fredrik Vraalsen <vraalsen@cs.uiuc.edu> on 01 Feb 2001 23:12:44 wrote:
>
>
>This is a small patch to Linux kernel 2.4.1 that fixes a problem with
>DVD playback in OMS (Open Media System).  With the stock 2.4.1 kernel
>OMS will only play up to a certain point on the DVD before it complains
>about no more data left on input (basically read() returns 0).  This
>patch reverts a change between 2.4.0 and 2.4.1.
>
>
>diff -u --recursive --new-file v2.4.0/linux/drivers/ide/ide-cd.c linux/drivers/ide/ide-cd.c
>--- v2.4.0/linux/drivers/ide/ide-cd.c	Tue Jan  2 16:59:17 2001
>+++ linux/drivers/ide/ide-cd.c	Sun Jan 28 13:37:50 2001
>@@ -1872,6 +1872,9 @@
> 	   If it is, just return. */
> 	(void) cdrom_check_status(drive, sense);
> 
>+	if (CDROM_STATE_FLAGS(drive)->toc_valid)
>+		return 0;
>+
> 	/* First read just the header, so we know how long the TOC is. */
> 	stat = cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr,
> 				    sizeof(struct atapi_toc_header), sense);
>
>
>-- 
>Fredrik Vraalsen  -  Research Assistant, Pablo research group
>Department of Computer Science, University of Illinois at U-C
>
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[Patch] DVD bugfix in ide-cd.c

[Fredrik Vraalsen]

This is a small patch to Linux kernel 2.4.1 that fixes a problem with
DVD playback in OMS (Open Media System).  With the stock 2.4.1 kernel
OMS will only play up to a certain point on the DVD before it complains
about no more data left on input (basically read() returns 0).  This
patch reverts a change between 2.4.0 and 2.4.1.


diff -u --recursive --new-file v2.4.0/linux/drivers/ide/ide-cd.c linux/drivers/ide/ide-cd.c
--- v2.4.0/linux/drivers/ide/ide-cd.c	Tue Jan  2 16:59:17 2001
+++ linux/drivers/ide/ide-cd.c	Sun Jan 28 13:37:50 2001
@@ -1872,6 +1872,9 @@
 	   If it is, just return. */
 	(void) cdrom_check_status(drive, sense);
 
+	if (CDROM_STATE_FLAGS(drive)->toc_valid)
+		return 0;
+
 	/* First read just the header, so we know how long the TOC is. */
 	stat = cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr,
 				    sizeof(struct atapi_toc_header), sense);


-- 
Fredrik Vraalsen  -  Research Assistant, Pablo research group
Department of Computer Science, University of Illinois at U-C
-
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Re: [Patch] DVD bugfix in ide-cd.c

[Jens Axboe]

On Thu, Feb 01 2001, Fredrik Vraalsen wrote:
> 
> This is a small patch to Linux kernel 2.4.1 that fixes a problem with
> DVD playback in OMS (Open Media System).  With the stock 2.4.1 kernel
> OMS will only play up to a certain point on the DVD before it complains
> about no more data left on input (basically read() returns 0).  This
> patch reverts a change between 2.4.0 and 2.4.1.

Thanks applied, guess we need another work-around for buggy changers...

-- 
Jens Axboe

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Re: [Patch] DVD bugfix in ide-cd.c

[Andre Hedrick]

On Fri, 2 Feb 2001, Jens Axboe wrote:
> Thanks applied, guess we need another work-around for buggy changers...
> 
> -- 
> Jens Axboe

To quote my friend, about comments agreeing with Hale Landis.....
WHY!!! are you still supporting junk? ;-)

Cheers,

Andre Hedrick
Linux ATA Development
ASL Kernel Development
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