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[PATCH] cx88-dvb.c: DVB net latency using Hauppauge HVR4000

Hi linux-media developers, We are from School On Internet Asia (SOI Asia) project that uses satellite communication to deliver educational content. We used Hauppauge HVR 4000 to carry IP traffic over ULE. However, there is an issue with high latency jitter. My boss, Husni, identified the

[PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

not to introduce more bug by fixing this bug, but please scrutinize the code for I always produces buggy code. Signed-off-by: Ang Way Chuang wc...@nav6.org -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info

[PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

not to introduce more bug by fixing this bug, but please scrutinize the code for I always produces buggy code. Signed-off-by: Ang Way Chuang wc...@nav6.org --- diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 0241a7c..a521395 100644 --- a/drivers/media/dvb/dvb

[PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

this bug, but please scrutinize the code for I always produces buggy code. Signed-off-by: Ang Way Chuang wc...@nav6.org --- diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 0241a7c..7e0db86 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers

[PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

this bug, but please scrutinize the code for I always produces buggy code. Signed-off-by: Ang Way Chuang wc...@nav6.org --- diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 0241a7c..7e0db86 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers

Re: [PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

been taken not to introduce more bug by fixing this bug, but please scrutinize the code for I always produces buggy code. Signed-off-by: Ang Way Chuang wc...@nav6.org --- diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 0241a7c..7e0db86 100644

Re: [PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

Sorry, line wrap again. I shall test and fix the problem first before resending the patch. On Tue, Nov 24, 2009 at 4:04 PM, Ang Way Chuang wcan...@gmail.com wrote: Okay, resending. Hope it won't do line wrapping. ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation code has

this is a test mail

Please ignore this email. why can't i get my email through linux media mailing list when i can receive it? -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at

[PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

v2.6.34-rc6. I suspect that this bug was introduced in kernel version 2.6.15, but had not verified it. Care has been taken not to introduce more bug by fixing this bug, but please scrutinize the code because I always produces buggy code. Signed-off-by: Ang Way Chuang wc...@nav6.org --- diff --git

Re: this is a test mail

That's weird. You can receive my email, yet I don't receive my email from the mailing list. Does that mean my patch went through as well? Jed wrote: Try sending via your ISP's SMTP host instead of Google's. I had issues with this list until I made the switch. On 7/05/10 12:51 AM, Ang Way

Re: this is a test mail

with this list until I made the switch. On 7/05/10 12:51 AM, Ang Way Chuang wrote: Please ignore this email. why can't i get my email through linux media mailing list when i can receive it? -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord

Re: this is a test mail

Thanks. Mauro. It's there. Hope the patch will be accepted. Mauro Carvalho Chehab wrote: Ang Way Chuang wrote: That's weird. You can receive my email, yet I don't receive my email from the mailing list. Does that mean my patch went through as well? Just check at patchwork.kernel.org. If you

Re: [GIT PULL for 2.6.35] V4L/DVB updates

. Thanks a lot. Regards, Ang Way Chuang -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

Hi Jarod, Thanks for the review. My answers are inlined. Jarod Wilson wrote: On Thu, May 06, 2010 at 02:52:22PM -, Ang Way Chuang wrote: ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation code has a bug that incorrectly treats ULE SNDU packed into the remaining 2

Re: dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

Jarod Wilson wrote: On Fri, May 21, 2010 at 11:40:34AM +0800, Ang Way Chuang wrote: Hi Jarod, Thanks for the review. My answers are inlined. Jarod Wilson wrote: On Thu, May 06, 2010 at 02:52:22PM -, Ang Way Chuang wrote: ULE (Unidirectional Lightweight Encapsulation RFC 4326

[PATCH] dvb-core: Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed into the remaining bytes of a MPEG2-TS frame

the latest Linus's pre 2.6.35-rc1 tree. Signed-off-by: Ang Way Chuang wc...@nav6.org --- diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index f6dac2b..6c3a8a0 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers/media/dvb/dvb-core/dvb_net.c

Re: hvr4000 in general

That card definitely works on DVB-S2. The only problem I had with that card is its fragility. I have a few burnt HVR 4000 (lite) cards in the lab. Lars Schotte wrote: hi all hvr4000 friends i am wondering if someone has this card working a little more then I do. i have dvb-s working quite

Re: hvr4000 in general

to the system right now. what fragility do you mean? did she burned out/ overheating, or what kind of fragility? One of the chip on the board got burned for all the burnt cards. On Sun, 06 Jun 2010 16:30:31 +0800 Ang Way Chuang wcan...@gmail.com wrote: That card definitely works on DVB-S2

kernel oops in dvb_net

.rc5.fc10.i586 and vanilla kernel 2.6.28.7. I'm using the receiver card for ULE decapsulation. Should you need more information, please drop me a mail. Attached are the kernel oops message of the 2 kernels just before the system freeze. Thanks. Regards, Ang Way Chuang Mar 9 16:18:44 localhost

Re: The right way to interpret the content of SNR, signal strength and BER from HVR 4000 Lite

VDR User wrote: On Thu, Mar 12, 2009 at 6:53 PM, Ang Way Chuang wc...@nav6.org wrote: Hi all, I've looked through the mailing list and there seems to be no standard way to interpret to content of SNR, signal strength and BER returned from the DVB API. So, I wonder if someone knows how

Re: No subsystem id (and therefore no cx88_dvb loaded) after reboot

I experience similar problem with HVR4000 Lite cards that we have in the lab. The card can't tune after cold boot, but a reboot will fix the problem. I will check whether it has the similar invalid subsystem id problem. Grant Gardner wrote: I'm looking for some pointers on debugging a

Re: SNR status for demods

Thank you very much, Devin Heitmueller. This list is a god-sent :). Devin Heitmueller wrote: Hello all, I have updated my compiled list of the various demods and how they currently report SNR info (including feedback from people in the last round). http://www.devinheitmueller.com/snr.txt

Re: No subsystem id (and therefore no cx88_dvb loaded) after reboot

Ang Way Chuang wrote: I experience similar problem with HVR4000 Lite cards that we have in the lab. The card can't tune after cold boot, but a reboot will fix the problem. I will check whether it has the similar invalid subsystem id problem. Unfortunately, I can't reproduce the cold boot