On Thu, 19 Mar 2009, Trent Piepho wrote:
> Since the driver often needs to use a logarithm from dvb-math to find SNR,
> you have code like this in the driver (from lgdt3305.c):
> /* report SNR in dB * 10 */
> *snr = (state->snr / ((1 << 24) / 10));
>
>
On Thu, 19 Mar 2009, Mauro Carvalho Chehab wrote:
> that we should discuss about it for some time, comparing each alternatives we
> have, focused on SNR only. Later, use can use the same approach for the
> other quality measurements on DVB.
>
> In order to start such discussions, I'm summarizing bo
On Sun, 15 Mar 2009, Hans Verkuil wrote:
> On Sunday 15 March 2009 17:39:11 Trent Piepho wrote:
> > Because there are patches that touch both the media tree and outside it?
> > I don't buy it. Even for sub-systems that only use full git trees, you
> > almost neve
On Thu, 19 Mar 2009, [ISO-8859-1] N?meth M?rton wrote:
> David Ellingsworth wrote:
> > 2009/3/18 N?meth M?rton :
> >> From: M?rton N?meth
> >>
> >> The gspca webcam driver does not check the .type field of struct
> >> v4l2_streamparm.
> >> This field is an input parameter for the driver according
On Sun, 15 Mar 2009, Hans Verkuil wrote:
> On Sunday 15 March 2009 18:28:42 Trent Piepho wrote:
> > On Sun, 15 Mar 2009, Hans Verkuil wrote:
> > > On Sunday 15 March 2009 17:04:43 Trent Piepho wrote:
> > > > On Sun, 15 Mar 2009, Hans Verkuil wrote:
> > > &g
On Tue, 17 Mar 2009, Jean Delvare wrote:
> On Mon, 16 Mar 2009 15:47:17 -0700 (PDT), Trent Piepho wrote:
> > On Mon, 16 Mar 2009, Jean Delvare wrote:
> > > You are unfair. The pull request came with a short log of all the
> > > changes.
> >
> > "shor
On Tue, 17 Mar 2009, Alain Kalker wrote:
> Op vrijdag 13-03-2009 om 02:12 uur [tijdzone -0700], schreef Trent
> Piepho:
> > On Mon, 9 Mar 2009, Alain Kalker wrote:
> > > Firstly: generating a .config with just one config variable for the
> > > requested driver set to
On Mon, 16 Mar 2009, Jean Delvare wrote:
> On Mon, 16 Mar 2009 12:43:33 -0700 (PDT), Trent Piepho wrote:
> > On Mon, 16 Mar 2009, Jean Delvare wrote:
> > > Come on, just look at ir-kbd-i2c and tvaudio again, see how great are
> > > these drivers which have been "de
On Mon, 16 Mar 2009, Robert Jarzmik wrote:
> Guennadi Liakhovetski writes:
> > What is QIF? Do you mean Quick Capture Interface - QCI? I also see CIF
> > used in the datasheet, probably, for "Capture InterFace," but I don't see
> > QIF anywhere. Also, please explain the first time you use the
> >
On Mon, 16 Mar 2009, Robert Jarzmik wrote:
> >> + if (xlate->host_fmt->fourcc == V4L2_PIX_FMT_YUV422P) {
> >> + if (!IS_ALIGNED(pix->width * pix->height, PIX_YUV422P_ALIGN))
> >> + pix->height = ALIGN(pix->height, PIX_YUV422P_ALIGN / 2);
> >> + if (!IS_ALIGNED(pi
On Mon, 16 Mar 2009, Jean Delvare wrote:
> Come on, just look at ir-kbd-i2c and tvaudio again, see how great are
> these drivers which have been "designed" on top of the legacy i2c
> binding model. Look at the bttv mess. Look at the zoran driver
> conversion done by Hans a few weeks ago, which kill
On Mon, 16 Mar 2009, Hans Verkuil wrote:
> >> +++ b/linux/drivers/media/video/bt8xx/bttvp.h Sun Mar 15 13:07:15 2009
> >> +0100
> >> @@ -331,6 +331,7 @@ struct bttv {
> >>unsigned int tuner_type; /* tuner chip type */
> >>unsigned int tda9887_conf;
> >>unsigned int svhs, dig;
> >>
On Sun, 15 Mar 2009, Devin Heitmueller wrote:
> au0828: remove memset calls in v4l2 routines.
"The userland callers are responsible for clearing the output buffers, so
remove the unneeded memset calls."
A driver should not assume that _userspace_ has cleared the buffers. In
some cases userspace
On Sun, 15 Mar 2009, Andy Walls wrote:
> On Sun, 2009-03-15 at 18:12 +0100, Jean Delvare wrote:
>
> > This is the typical multifunction device problem. It isn't specifically
> > related to I2C,
>
> But the specific problem that Hans' brings up is precisely a Linux
> kernel I2C subsystem *software*
On Sun, 15 Mar 2009, Andy Walls wrote:
> On Sun, 2009-03-15 at 10:28 -0700, Trent Piepho wrote:
>
> > Why are the i2c addresses from various i2c chips moved into the bttv
> > driver? Doesn't it make more sense that the addresses for chip X should be
> > in the driv
On Sun, 15 Mar 2009, Jean Delvare wrote:
> On Sun, 15 Mar 2009 13:44:01 +0100, Hans Verkuil wrote:
> This is the typical multifunction device problem. It isn't specifically
> related to I2C, the exact same problem happens for other devices, for
> example a PCI south bridge including hardware monito
On Sun, 15 Mar 2009, Hans Verkuil wrote:
> On Sunday 15 March 2009 17:04:43 Trent Piepho wrote:
> > On Sun, 15 Mar 2009, Hans Verkuil wrote:
> > > Hi Mauro,
> > >
> > > Can you review my ~hverkuil/v4l-dvb-bttv2 tree?
> >
> > It would be a lo
On Sat, 7 Mar 2009, Guennadi Liakhovetski wrote:
> On Fri, 6 Mar 2009, Trent Piepho wrote:
> > On Thu, 5 Mar 2009, Guennadi Liakhovetski wrote:
> > > On Thu, 5 Mar 2009, Trent Piepho wrote:
> > > > ALSA used a partial tree, but their system was much worse than
>
On Sun, 15 Mar 2009, Hans Verkuil wrote:
> Hi Mauro,
>
> Can you review my ~hverkuil/v4l-dvb-bttv2 tree?
It would be a lot easier if you would provide patch descriptions.
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On Sun, 15 Mar 2009, Jean-Francois Moine wrote:
> On Sat, 14 Mar 2009 13:16:11 -0700 (PDT)
> Trent Piepho wrote:
>
> > There is already a sysfs led interface, you could just have the driver
> > export the leds to the led subsystem and use that.
>
> Yes, but:
>
On Sat, 14 Mar 2009, Mauro Carvalho Chehab wrote:
> On Sat, 14 Mar 2009 12:59:23 +0100
> Jean-Francois Moine wrote:
>
> > + V4L2_CID_LEDS
> > + integer
> > + Switch on or off the LEDs or illuminators of the device.
> > +In the control value, each LED may be coded in one bit (0: o
On Fri, 13 Mar 2009, Andy Walls wrote:
> On Fri, 2009-03-13 at 10:27 -0400, Devin Heitmueller wrote:
> > On Fri, Mar 13, 2009 at 12:19 AM, Ang Way Chuang wrote:
> > >
> > > Yes, please :)
> >
> > Yeah, Michael Krufky and I were discussing it in more detail yesterday
> > on the #linuxtv ML. Essent
On Fri, 13 Mar 2009, Devin Heitmueller wrote:
> On Fri, Mar 13, 2009 at 5:11 PM, Trent Piepho wrote:
> > I like 8.8 fixed point a lot better. ?It gives more precision. ?The range
> > is more in line with that the range of real SNRs are. ?Computers are
> > binary, so the m
On Fri, 13 Mar 2009, Devin Heitmueller wrote:
> On Fri, Mar 13, 2009 at 12:19 AM, Ang Way Chuang wrote:
> >
> > Yes, please :)
>
> Yeah, Michael Krufky and I were discussing it in more detail yesterday
> on the #linuxtv ML. Essentially there are a few issues:
>
> 1. Getting everyone to agree on
Mauro,
Please pull from http://linuxtv.org/hg/~tap/v4l-dvb
for the following changeset:
01/01: build: have make_kconfig.pl ignore comments
http://linuxtv.org/hg/~tap/v4l-dvb?cmd=changeset;node=9debb0a2ec70
make_kconfig.pl | 13 +
1 files changed, 9 insertions(+), 4 deletions(-)
On Mon, 9 Mar 2009, Alain Kalker wrote:
> Martin has an older version of the drivers packaged for building with
> DKMS on Ubuntu in his PPA[5], but it currently has some disadvantages:
>
> A. It builds all available drivers, no matter which hardware is actually
> installed in the system. This takes
On Mon, 9 Mar 2009, Mauro Carvalho Chehab wrote:
> Btw, if you look at DVB_FE_CUSTOMISE help, it is recommended tho unselect it,
> if you're not sure what to do.
>
> >
> > Anyways, here's what I get:
> >
> > $ grep "^CONFIG" .config
> > [everything is 'm']
> > CONFIG_DVB_VES1820=m
> > CONFIG
On Thu, 5 Mar 2009, Erik S. Beiser wrote:
> Thanks for your comments, Trent. My responses below:
>
> Trent Piepho wrote:
> > On Sat, 28 Feb 2009, Erik S. Beiser wrote:
> >
> >> cx88: Add IR support to pcHDTV HD3000 & HD5500
> >>
> >> Signed-
On Thu, 5 Mar 2009, Hans Verkuil wrote:
> Reserved bits are there for a reason. If a particular bit of information
> it a perfect match with for that API, then it seems utterly pointless to
> me to decide not to use them 'just because we might run out in the
> future'.
It would be one thing if the
On Fri, 13 Mar 2009, Alan McIvor wrote:
> +
> +{ 0x15401830, BTTV_BOARD_PV183, "Provideo PV183-1" },
> +{ 0x15401831, BTTV_BOARD_PV183, "Provideo PV183-2" },
> +{ 0x15401832, BTTV_BOARD_PV183, "Provideo PV183-3" },
> +{ 0x15401833, BTTV_BOARD_
Mauro,
Please pull from http://linuxtv.org/hg/~tap/v4l-dvb-zoran
for the following 6 changesets:
01/06: build: Clean up FM801-TEA575x Kconfig
http://linuxtv.org/hg/~tap/v4l-dvb-zoran?cmd=changeset;node=a9792eb3e828
02/06: zoran: Unify buffer descriptors
http://linuxtv.org/hg/~tap/v4l-dvb-zoran?
On Mon, 9 Mar 2009, Andy Walls wrote:
> On Mon, 2009-03-09 at 08:16 +0100, Hans Verkuil wrote:
> > On Monday 09 March 2009 02:07:33 Trent Piepho wrote:
> > >
> > > Switching on the whole ioctl makes the switch statement a lot less
> > > efficient. I'd r
On Tue, 10 Mar 2009, Hans Verkuil wrote:
> > On Tue, 10 Mar 2009 08:31:32 +0100
> > I suspect that it shouldn't hard to remove the few V4L1 bits from
> > zoran_driver, after all
> > the conversions made. Yet, there are some Zoran specific ioctls that use
> > this.
> > We should probably discontinue
On Tue, 10 Mar 2009, Hans Verkuil wrote:
> On Tuesday 10 March 2009 00:50:41 Mauro Carvalho Chehab wrote:
> > On Mon, 9 Mar 2009 08:16:53 +0100
> > Hans Verkuil wrote:
> > > On Monday 09 March 2009 02:07:33 Trent Piepho wrote:
> > > > On Sun, 8 Mar 2009, Hans V
On Mon, 9 Mar 2009, Mauro Carvalho Chehab wrote:
> On Mon, 9 Mar 2009 08:45:42 +0100
> Hans Verkuil wrote:
>
> > On Monday 09 March 2009 02:20:19 Trent Piepho wrote:
> > > On Sun, 8 Mar 2009, Hans Verkuil wrote:
> > > > - zoran/bt819: use new notify functional
On Mon, 9 Mar 2009, Hans Verkuil wrote:
> On Monday 09 March 2009 12:08:39 Mauro Carvalho Chehab wrote:
> > On Fri, 6 Mar 2009, wk wrote:
> > > Hans Verkuil wrote:
> > >> Hi Mauro,
> > >>
> > >> I noticed that there is an ancient V4L2 spec in our tree in the
> > >> v4l/API directory. Is that spec
On Mon, 9 Mar 2009, Robert Jarzmik wrote:
> > Ok, this one will change I presume - new alignment calculations and
> > line-breaking. In fact, if you adjust width and height earlier in set_fmt,
> > maybe you'll just remove any rounding here completely.
> Helas, not fully.
> The problem is with passt
On Mon, 9 Mar 2009, Mauro Carvalho Chehab wrote:
> in kernel. That means that we shouldn't add a changeset that we know that it
> will break a device, except if we are committing, in the same patch series,
> another patch fixing it.
I wouldn't even do that. If you know the patch has a problem wit
On Sun, 8 Mar 2009, Hans Verkuil wrote:
>
> - zoran/bt819: use new notify functionality.
You put compat.h in the wrong spot in this patch. It goes before any
header file that are in v4l-dvb, but you've moved it to after v4l2-common.
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On Sun, 8 Mar 2009, Hans Verkuil wrote:
> The last one fixes an ivtv regression caused by this change:
>
> changeset: 10811:0a0eba8e64d5
> user: Trent Piepho
> date:Tue Mar 03 20:21:02 2009 -0800
> summary: videodev: only copy needed part of RW ioctl'
On Sat, 7 Mar 2009, Jean Delvare wrote:
> The lock_norm module parameter doesn't look terribly useful. If you
> don't want to change the norm, just don't change it. As a matter of
> fact, no other v4l driver has such a parameter.
>
> Signed-off-by: Jean Delvare
On Sat, 7 Mar 2009, Igor M. Liplianin wrote:
> 01/01: stv0900: delete debug messages not related to stv0900 tuning algorythm
> http://udev.netup.ru/hg/v4l-dvb-netup?cmd=changeset;node=c79e4df8a4c2
BTW, This will conflict with the changeset Hans just posted that fixes the
casts in those same dprint
On Thu, 5 Mar 2009, Guennadi Liakhovetski wrote:
> On Thu, 5 Mar 2009, Trent Piepho wrote:
> > ALSA used a partial tree, but their system was much worse than v4l-dvb's.
> > I think the reason more systems don't do it is that setting up the build
> > system we have
On Fri, 6 Mar 2009, Hans Verkuil wrote:
> On Friday 06 March 2009 22:36:57 Trent Piepho wrote:
> > On Fri, 6 Mar 2009, Hans Verkuil wrote:
> > > - zl10036: fix compile warning on kernel 2.6.23.
> > > - bttv: fix compile warnings for kernels < 2.6.20.
> > &g
On Fri, 6 Mar 2009, Guennadi Liakhovetski wrote:
> On Fri, 6 Mar 2009, robert.jarz...@free.fr wrote:
> >
> > This implies that even if DMA is 8 bytes aligned, width x height should
> > be a multiple of 16, not 8 as I stated in the first git comment. So that
> > would align :
> > - width on 4 bytes
On Fri, 6 Mar 2009, Hans Verkuil wrote:
> - zl10036: fix compile warning on kernel 2.6.23.
> - bttv: fix compile warnings for kernels < 2.6.20.
> - cx88-alsa: fix compile warning for kernels <=2.6.20.
Do we need to fix warnings for old kernels? If it's an easy fix that can
go in compat.h that's o
On Fri, 6 Mar 2009 robert.jarz...@free.fr wrote:
> - Mail Original -
> De: "Guennadi Liakhovetski"
> ??: "Trent Piepho"
> Cc: "Robert Jarzmik" , m...@compulab.co.il, "Linux
> Media Mailing List"
> Envoy??: Jeudi 5 Mars 200
On Thu, 5 Mar 2009, Guennadi Liakhovetski wrote:
> On Thu, 5 Mar 2009, Trent Piepho wrote:
> > On Thu, 5 Mar 2009, Robert Jarzmik wrote:
> > > Guennadi Liakhovetski writes:
> > > > This is not a review yet - just an explanation why I was suggesting to
> > &
On Thu, 5 Mar 2009, Robert Jarzmik wrote:
> Guennadi Liakhovetski writes:
>
> > This is not a review yet - just an explanation why I was suggesting to
> > adjust height and width - you say yourself, that YUV422P (I think, this is
> > wat you meant, not just YUV422) requires planes to immediately f
On Thu, 5 Mar 2009, Guennadi Liakhovetski wrote:
> On Thu, 5 Mar 2009, Trent Piepho wrote:
> > On Thu, 5 Mar 2009, Guennadi Liakhovetski wrote:
> > > On Wed, 4 Mar 2009, Mauro Carvalho Chehab wrote:
> > > > Beside the fact that we don't need to strip suppo
On Thu, 5 Mar 2009, Guennadi Liakhovetski wrote:
> On Wed, 4 Mar 2009, Mauro Carvalho Chehab wrote:
> > Beside the fact that we don't need to strip support for legacy kernels, the
> > advantage of using this method is that we can evolute to a new development
> > model. As several developers already
Mauro,
Please pull from http://linuxtv.org/hg/~tap/v4l-dvb
for the following 2 changesets:
01/02: compat: Add INIT_DELAYED_WORK
http://linuxtv.org/hg/~tap/v4l-dvb?cmd=changeset;node=f6382daee1df
02/02: zoran: Change first argument to zoran_v4l2_buffer_status
http://linuxtv.org/hg/~tap/v4l-dvb?c
On Thu, 5 Mar 2009, Jean Delvare wrote:
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
> struct work_struct work;
> struct timer_list timer;
> +#else
> + struct delayed_work work;
> +#endif
You don't need this compat stuff. compat.h will take are of it for you.
Just code it li
On Thu, 5 Mar 2009, Hans Verkuil wrote:
>
> ENUMINPUT is probably a better solution: you can say something like
> "Camera 1 (sensor1)", "Camera 2 (sensor2)".
>
> It remains a bit of a hack, though.
Maybe use some of the reserved bits in v4l2_input to show not only the
sensor orientation, but also
y.card: `omap3/smia-sensor-12-1234-5678//'
> > > where 12 would be manufacturer_id, 1234 model_id, and
> > > 5678 revision_number?
> >
> > Yuck :-)
>
> Agreed :)
>
> Also, if there are many slaves, the length of the capability.card
> field i
On Mon, 2 Mar 2009, Andy Walls wrote:
> On Mon, 2009-03-02 at 17:03 +0100, Jean Delvare wrote:
> > > if (ir->polling) {
> > > del_timer_sync(&ir->timer); <--- Wrong order?
> > > flush_scheduled_work(); <--- Wrong order?
> > > }
> > > }
> >
> >
On Tue, 3 Mar 2009, Aguirre Rodriguez, Sergio Alberto wrote:
> + {
> + /* Note: V4L2 defines RGB565 as:
> +*
> +* Byte 0Byte 1
> +* g2 g1 g0 r4 r3 r2 r1 r0 b4 b3 b2 b1 b0 g5 g4 g3
> +
On Wed, 4 Mar 2009, Aguirre Rodriguez, Sergio Alberto wrote:
> As what I understand, we have 2 possible situations for multiple opens here:
>
> Situation 1
> - Instance1: Select sensor 1, and Do queue/dequeue of buffers.
> - Instance2: If sensor 1 is currently selected, Begin loop requesting
> i
On Wed, 4 Mar 2009, ribrishimov wrote:
> I am planning to export the chip identification information
> to user space using VIDIOC_DBG_G_CHIP_IDENT.
> Here's a sketch:
> #define V4L2_IDENT_SMIA_BASE(0x53 << 24)
> then in sensor driver's VIDIOC_DBG_G_CHIP_IDENT ioctl handler:
> struct v4l
On Sat, 28 Feb 2009, Erik S. Beiser wrote:
> cx88: Add IR support to pcHDTV HD3000 & HD5500
>
> Signed-off-by: Erik S. Beiser
>
> ---
>
> Idea originally from http://www.pchdtv.com/forum/viewtopic.php?t=1529
> I made it into this small patch and added the HD3000 support also, which I
> have I'v
On Tue, 3 Mar 2009, Mauro Carvalho Chehab wrote:
> On Mon, 2 Mar 2009 13:31:11 -0800 (PST)
> Trent Piepho wrote:
>
> Hi Trent,
>
> > Here's the latest patch for pluto2. It's a much simpler chip than cx18.
> > I've used atomic operations to design a lo
Mauro,
Please pull from http://linuxtv.org/hg/~tap/v4l-dvb
for the following 11 changesets:
01/11: build: fix fix_kconfig.pl
http://linuxtv.org/hg/~tap/v4l-dvb?cmd=changeset;node=3b964d818edc
02/11: videodev: only copy needed part of RW ioctl's parameter
http://linuxtv.org/hg/~tap/v4l-dvb?cmd=c
On Tue, 3 Mar 2009, Mauro Carvalho Chehab wrote:
> On Tue, 3 Mar 2009 13:59:27 -0800 (PST)
> Trent Piepho wrote:
>
> > 04/04: v4l2: Move code to zero querybuf output struct to v4l2_ioctl
> > http://linuxtv.org/hg/~tap/v4l-dvb?cmd=changeset;node=d31e6e7a8241
>
> Hmm.. Th
Mauro,
Please pull from http://linuxtv.org/hg/~tap/v4l-dvb
for the following 4 changesets:
01/04: videodev: not possible to register NULL video_device
http://linuxtv.org/hg/~tap/v4l-dvb?cmd=changeset;node=3c87763acae5
02/04: cx88: remove unnecessary forward declaration of cx88_core
http://linux
On Tue, 3 Mar 2009, Jean Delvare wrote:
> On Tue, 3 Mar 2009 01:40:00 -0800 (PST), Trent Piepho wrote:
> > On Mon, 2 Mar 2009, Jean Delvare wrote:
> > In 2.6.20 delayed_work was split from work_struct. The concept of delayed
> > work was already there and schedule_delayed_
On Tue, 3 Mar 2009, Trent Piepho wrote:
> On Mon, 2 Mar 2009, Jean Delvare wrote:
> > be fairly easy, I can take care of it. The difficult part will be to
> > handle the compatibility with kernels < 2.6.20 because delayed_work was
> > introduced in 2.6.20. Probably "co
On Mon, 2 Mar 2009, Jean Delvare wrote:
> > Makes the most sense to me. I was just about to make a patch to do the
> > same thing when I got your email. Though I was going to patch the v4l-dvb
> > sources to avoid porting work.
>
> It was easier for me to test on an upstream kernel. The porting s
On Tue, 3 Mar 2009, Hans Verkuil wrote:
> On Monday 02 March 2009 23:47:31 Trent Piepho wrote:
> > On Mon, 2 Mar 2009, Hans Verkuil wrote:
> > > There are good reasons as a developer for keeping backwards
> > > compatibility with older kernels:
> >
> > Do y
On Mon, 2 Mar 2009, Hans Verkuil wrote:
> There are good reasons as a developer for keeping backwards compatibility
> with older kernels:
Do you mean no backwards compatibility with any older kernels? Or do you
mean just dropping support for the oldest kernels now supported. What
you've said abo
On Sat, 28 Feb 2009, Andy Walls wrote:
> On Fri, 2009-02-27 at 21:05 +0200, Igor M. Liplianin wrote:
> > On 27 ?? 2009, "Igor M. Liplianin" wrote:
> > > On Fri, 27 Feb 2009, Igor M. Liplianin wrote:
> > > > 01/02: dm1105: not demuxing from interrupt context.
> > > > http://mercurial.in
On Mon, 2 Mar 2009, Jean Delvare wrote:
> On Mon, 2 Mar 2009 17:03:49 +0100, Jean Delvare wrote:
> > As far as I can see the key difference between bttv-input and
> > cx88-input is that bttv-input only uses a simple self-rearming timer,
> > while cx88-input uses a timer and a separate workqueue. Th
On Sun, 1 Mar 2009, Hans Verkuil wrote:
> > Even though kmalloc supports higher order allocations now, they can
> > easily fail.
>
> The right approach which most drivers take is to allocate up front when the
> driver is loaded. Zoran should be modified to do the same.
Still, it's a shame to waste
On Sun, 22 Feb 2009, Hans Verkuil wrote:
> Also the v4l1 ioctls have been removed and instead zoran relies on the v4l1
> compat layer.
I tried testing v4l1 with mplayer and it doesn't seem to work correctly.
[pid 29030] ioctl(3, VIDIOCSYNC, 0x884d790) = -1 EBUSY (Device or resource busy)
[pid 290
On Sun, 22 Feb 2009, Hans Verkuil wrote:
> Please pull from http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-zoran for the
> following:
I have some questions about your changes.
> - zoran: convert to video_ioctl2 and remove 'ready_to_be_freed' hack.
It looks like this patch deleted the code relating
On Fri, 27 Feb 2009, Igor M. Liplianin wrote:
> 01/02: dm1105: not demuxing from interrupt context.
> http://mercurial.intuxication.org/hg/v4l-dvb-commits?cmd=changeset;node=6faf0753950b
I'm not sure if you considered this, but the default work queue is
multi-threaded with a kernel thread for each
On Sun, 22 Feb 2009, Hans Verkuil wrote:
> Hi Mauro,
>
> Please pull from http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-zoran for the
> following:
You might consider posting to the mjpeg users list. Maybe there are
some people who used the playback feature more often.
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On Mon, 23 Feb 2009, David Ellingsworth wrote:
> On Sun, Feb 22, 2009 at 5:15 AM, Hans Verkuil wrote:
> > Optional question:
>
> Why can't we drop support for all but the latest kernel?
>
> >
> > Why:
>
> As others have already pointed out, it is a waste of time for
> developers who volunteer thei
On Mon, 23 Feb 2009, Jean Delvare wrote:
> > There are lot's of discussions, but it can be hard sometimes to actually
> > determine someone's opinion.
> >
> > So here is a quick poll, please reply either to the list or directly to me
> > with your yes/no answer and (optional but welcome) a short ex
On Mon, 23 Feb 2009, Hans de Goede wrote:
> Trent Piepho wrote:
> > On Sun, 22 Feb 2009, Hans de Goede wrote:
> >> Trent Piepho wrote:
> >>> On Sun, 22 Feb 2009, Hans de Goede wrote:
> >>>> Yes that is what we are talking about, the camera havin
On Mon, 23 Feb 2009, Hans Verkuil wrote:
> On Sunday 22 February 2009 23:54:42 Hans de Goede wrote:
> > Trent Piepho wrote:
> > > On Sun, 22 Feb 2009, Hans de Goede wrote:
> > >> Yes that is what we are talking about, the camera having a gravity
> > >>
On Sun, 22 Feb 2009, Hans de Goede wrote:
> Trent Piepho wrote:
> > On Sun, 22 Feb 2009, Hans de Goede wrote:
> >> Yes that is what we are talking about, the camera having a gravity switch
> >> (usually nothing as advanced as a gyroscope). Also the bits we are talking
On Sun, 22 Feb 2009, Hans de Goede wrote:
> Yes that is what we are talking about, the camera having a gravity switch
> (usually nothing as advanced as a gyroscope). Also the bits we are talking
> about are in a struct which communicates information one way, from the camera
> to userspace, so there
On Sat, 21 Feb 2009, Jean Delvare wrote:
> On Sat, 21 Feb 2009 04:06:53 -0800 (PST), Trent Piepho wrote:
> > The new i2c driver interface also supports a ->detect() method and a list
> > of address_data to use it with. This is much more like the legacy model
> > than usi
On Sat, 21 Feb 2009, wk wrote:
> Hans Verkuil wrote:
> > Comments?
> >
> > Hans
> >
>
> As only beeing reader of this list.., why not simply reduce the work load by
>
> - reducing the number of supported kernel versions to five major
> versions? Currently 2.6.28 would mean down to 2.6.23,
> thi
On Fri, 20 Feb 2009, Mauro Carvalho Chehab wrote:
> On Sat, 21 Feb 2009 02:12:53 +0100
> Hans Verkuil wrote:
> > > I think that maybe we'll need some legacy-like support for bttv and cx88,
> > > since there are some boards that relies on the old i2c method to work. On
> > > those boards (like cx88
On Fri, 20 Feb 2009, Jean-Francois Moine wrote:
> So, I propose to remove these ioctls, and to add two controls: one to
> set the JPEG quality (range 15..95 %) and the other to set a webcam
> quality which might be a boolean or any value depending on some
> associated webcam parameter.
A control c
On Wed, 18 Feb 2009, Steven Toth wrote:
> Trent Piepho wrote:
> > On Tue, 17 Feb 2009, Steven Toth wrote:
> >> Trent Piepho wrote:
> >>> On Mon, 16 Feb 2009, Steven Toth wrote:
> >>>> Fixing the demux... Would this require and extra buffer copy?
it should have been.# HG changeset patch
# User Trent Piepho
# Date 1234955305 28800
# Node ID a5aea1a8b5bc1866d3559294a4caff90f7847ee3
# Parent 960985ba30c69c03fb030edd451bb26846ca75a0
pluto2: Demux packets from a work queue
From: Trent Piepho
This driver was demuxing the transport stream from its i
On Tue, 17 Feb 2009, Andreas Oberritter wrote:
> Oliver Endriss wrote:
> > Trent Piepho wrote:
> >> I agree, this is bad. The demuxer is far too much work to be done with
> >> IRQs off. IMHO, even doing it under a spin-lock is excessive. It should
> >> be
On Wed, 18 Feb 2009, Oliver Endriss wrote:
> [1] If you want to lock a process against an interrupt handler,
> - the process must use spin_lock_irq()
> - the interrupt can use spin_lock()
>
> A routine has to use spin_lock_irqsave if (and only if) process and irq
> call the routine concurrently. I
On Tue, 17 Feb 2009, Steven Toth wrote:
> Trent Piepho wrote:
> > On Mon, 16 Feb 2009, Steven Toth wrote:
> >>> Hartmut, Oliver and Trent: Thanks for helping with this issue. I've just
> >>> reverted the changeset. We still need a fix at dm1105, au0828-dvb and
On Mon, 16 Feb 2009, Steven Toth wrote:
> > Hartmut, Oliver and Trent: Thanks for helping with this issue. I've just
> > reverted the changeset. We still need a fix at dm1105, au0828-dvb and maybe
> > other drivers that call the filtering routines inside IRQ's.
>
> Fix the demux, add a worker threa
On Sun, 15 Feb 2009, Oliver Endriss wrote:
> e9hack wrote:
> > this change set is wrong. The affected functions cannot be called from an
> > interrupt
> > context, because they may process large buffers. In this case, interrupts
> > are disabled for
> > a long time. Functions, like dvb_dmx_swfilt
On Mon, 16 Feb 2009, Hans Verkuil wrote:
> >> If you want to add two bits with
> >> mount information, feel free. But don't abuse them for pivot
> >> information.
> >> If you want that, then add another two bits for the rotation:
> >
> > Ok, this seems good. But if we want to distinguish between st
On Sun, 15 Feb 2009, Mauro Carvalho Chehab wrote:
> On Sun, 15 Feb 2009 10:29:03 +0100
> Hans de Goede wrote:
> > > I think we should also be able to detect 90 and 270 degree rotations. Or
> > > at
> > > the very least prepare for it. It's a safe bet to assume that webcams will
> > > arrive that
On Sun, 15 Feb 2009 kilg...@banach.math.auburn.edu wrote:
> On Sun, 15 Feb 2009, Trent Piepho wrote:
> > On Sun, 15 Feb 2009, Hans de Goede wrote:
> >>>>> I think we should also be able to detect 90 and 270 degree rotations.
> >>>>> Or at
> >>
On Sun, 15 Feb 2009, Hans de Goede wrote:
> Trent Piepho wrote:
> > On Sun, 15 Feb 2009, Hans de Goede wrote:
> >> Hans Verkuil wrote:
> >>> On Sunday 15 February 2009 10:08:04 Hans de Goede wrote:
> >>>> kilg...@banach.math.auburn.edu wrote:
&g
On Sun, 15 Feb 2009, Hans de Goede wrote:
> Hans Verkuil wrote:
> > On Sunday 15 February 2009 10:08:04 Hans de Goede wrote:
> >> kilg...@banach.math.auburn.edu wrote:
> >>> On Sat, 14 Feb 2009, Hans Verkuil wrote:
> On Saturday 14 February 2009 22:55:39 Hans de Goede wrote:
> > Adam Baker
On Sat, 14 Feb 2009, VDR User wrote:
> On Sat, Feb 14, 2009 at 11:54 AM, Trent Piepho wrote:
> >> Didn't you say in your original post that you _haven't_ tested the
> >> code because of a conflict with your sata driver? It's not safe to
> >
> > I
On Sat, 14 Feb 2009, VDR User wrote:
> On Fri, Feb 13, 2009 at 5:07 PM, Trent Piepho wrote:
> > I tested it on my bttv card. I assume Mauro was able to test it too. Have
> > you found a problem?
>
> Didn't you say in your original post that you _haven't_ tested t
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