Em 18-04-2011 17:15, Jesse Barker escreveu:
> One of the big issues we've been faced with at Linaro is around GPU
> and multimedia device integration, in particular the memory management
> requirements for supporting them on ARM. This next cycle, we'll be
> focusing on driving consensus around a u
Em 18-04-2011 17:15, Jesse Barker escreveu:
> One of the big issues we've been faced with at Linaro is around GPU
> and multimedia device integration, in particular the memory management
> requirements for supporting them on ARM. This next cycle, we'll be
> focusing on driving consensus around a u
Em 18-04-2011 17:15, Jesse Barker escreveu:
> One of the big issues we've been faced with at Linaro is around GPU
> and multimedia device integration, in particular the memory management
> requirements for supporting them on ARM. This next cycle, we'll be
> focusing on driving consensus around a u
Em 18-04-2011 17:15, Jesse Barker escreveu:
> One of the big issues we've been faced with at Linaro is around GPU
> and multimedia device integration, in particular the memory management
> requirements for supporting them on ARM. This next cycle, we'll be
> focusing on driving consensus around a u
Em 18-04-2011 17:15, Jesse Barker escreveu:
> One of the big issues we've been faced with at Linaro is around GPU
> and multimedia device integration, in particular the memory management
> requirements for supporting them on ARM. This next cycle, we'll be
> focusing on driving consensus around a u
Em 18-04-2011 17:15, Jesse Barker escreveu:
> One of the big issues we've been faced with at Linaro is around GPU
> and multimedia device integration, in particular the memory management
> requirements for supporting them on ARM. This next cycle, we'll be
> focusing on driving consensus around a u
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on AR
Em 14-05-2011 13:02, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
>> way of streaming (VIDIOC_[REQBUF|STREAMON|STREAMOFF|QBUF|DQBUF ioctl's)
>> are not the best way to share da
On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
> Em 14-05-2011 13:02, Hans Verkuil escreveu:
> > On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>
> >> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
> >> way of streaming (VIDIOC_[REQBUF|
> > On both cases, the requirement is to pass a framebuffer between two
> > entities,
> > and not a video stream.
It may not even be a framebuffer. In many cases you'll pass a framebuffer
or some memory target (in DRI think probably a GEM handle), in fact in
theory you can do much of this now.
On Sun, May 15, 2011 at 4:27 PM, Alan Cox wrote:
>> > On both cases, the requirement is to pass a framebuffer between two
>> > entities,
>> > and not a video stream.
>
> It may not even be a framebuffer. In many cases you'll pass a framebuffer
> or some memory target (in DRI think probably a GEM
On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on ARM. This next
Em 15-05-2011 18:10, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
>>> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>
So, based at all I've seen, I'm pretty much convinced that the nor
Em 17-05-2011 09:49, Mauro Carvalho Chehab escreveu:
> Em 15-05-2011 18:10, Hans Verkuil escreveu:
>> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>>
> So, ba
Em 16-05-2011 17:45, Guennadi Liakhovetski escreveu:
> On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
>
>> Em 18-04-2011 17:15, Jesse Barker escreveu:
>>> One of the big issues we've been faced with at Linaro is around GPU
>>> and multimedia device integration, in particular the memory manageme
Hans Verkuil wrote:
> Note that many video receivers cannot stall. You can't tell them to wait until
> the last buffer finished processing. This is different from some/most?
> sensors.
Not even image sensors. They just output the frame data; if the receiver
runs out of buffers the data is just lo
Em 18-05-2011 16:46, Sakari Ailus escreveu:
> Hans Verkuil wrote:
>> Note that many video receivers cannot stall. You can't tell them to wait
>> until
>> the last buffer finished processing. This is different from some/most?
>> sensors.
>
> Not even image sensors. They just output the frame data
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on AR
Em 14-05-2011 13:02, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
>> way of streaming (VIDIOC_[REQBUF|STREAMON|STREAMOFF|QBUF|DQBUF ioctl's)
>> are not the best way to share da
On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
> Em 14-05-2011 13:02, Hans Verkuil escreveu:
> > On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>
> >> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
> >> way of streaming (VIDIOC_[REQBUF|
> > On both cases, the requirement is to pass a framebuffer between two
> > entities,
> > and not a video stream.
It may not even be a framebuffer. In many cases you'll pass a framebuffer
or some memory target (in DRI think probably a GEM handle), in fact in
theory you can do much of this now.
On Sun, May 15, 2011 at 4:27 PM, Alan Cox wrote:
>> > On both cases, the requirement is to pass a framebuffer between two
>> > entities,
>> > and not a video stream.
>
> It may not even be a framebuffer. In many cases you'll pass a framebuffer
> or some memory target (in DRI think probably a GEM
On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on ARM. This next
Em 15-05-2011 18:10, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
>>> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>
So, based at all I've seen, I'm pretty much convinced that the nor
Em 17-05-2011 09:49, Mauro Carvalho Chehab escreveu:
> Em 15-05-2011 18:10, Hans Verkuil escreveu:
>> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>>
> So, ba
Em 16-05-2011 17:45, Guennadi Liakhovetski escreveu:
> On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
>
>> Em 18-04-2011 17:15, Jesse Barker escreveu:
>>> One of the big issues we've been faced with at Linaro is around GPU
>>> and multimedia device integration, in particular the memory manageme
Hans Verkuil wrote:
> Note that many video receivers cannot stall. You can't tell them to wait until
> the last buffer finished processing. This is different from some/most?
> sensors.
Not even image sensors. They just output the frame data; if the receiver
runs out of buffers the data is just lo
Em 18-05-2011 16:46, Sakari Ailus escreveu:
> Hans Verkuil wrote:
>> Note that many video receivers cannot stall. You can't tell them to wait
>> until
>> the last buffer finished processing. This is different from some/most?
>> sensors.
>
> Not even image sensors. They just output the frame data
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on AR
Em 14-05-2011 13:02, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
>> way of streaming (VIDIOC_[REQBUF|STREAMON|STREAMOFF|QBUF|DQBUF ioctl's)
>> are not the best way to share da
On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
> Em 14-05-2011 13:02, Hans Verkuil escreveu:
> > On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>
> >> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
> >> way of streaming (VIDIOC_[REQBUF|
> > On both cases, the requirement is to pass a framebuffer between two
> > entities,
> > and not a video stream.
It may not even be a framebuffer. In many cases you'll pass a framebuffer
or some memory target (in DRI think probably a GEM handle), in fact in
theory you can do much of this now.
On Sun, May 15, 2011 at 4:27 PM, Alan Cox wrote:
>> > On both cases, the requirement is to pass a framebuffer between two
>> > entities,
>> > and not a video stream.
>
> It may not even be a framebuffer. In many cases you'll pass a framebuffer
> or some memory target (in DRI think probably a GEM
On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on ARM. This next
Em 15-05-2011 18:10, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
>>> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>
So, based at all I've seen, I'm pretty much convinced that the nor
Em 17-05-2011 09:49, Mauro Carvalho Chehab escreveu:
> Em 15-05-2011 18:10, Hans Verkuil escreveu:
>> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>>
> So, ba
Em 16-05-2011 17:45, Guennadi Liakhovetski escreveu:
> On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
>
>> Em 18-04-2011 17:15, Jesse Barker escreveu:
>>> One of the big issues we've been faced with at Linaro is around GPU
>>> and multimedia device integration, in particular the memory manageme
Hans Verkuil wrote:
> Note that many video receivers cannot stall. You can't tell them to wait until
> the last buffer finished processing. This is different from some/most?
> sensors.
Not even image sensors. They just output the frame data; if the receiver
runs out of buffers the data is just lo
Em 18-05-2011 16:46, Sakari Ailus escreveu:
> Hans Verkuil wrote:
>> Note that many video receivers cannot stall. You can't tell them to wait
>> until
>> the last buffer finished processing. This is different from some/most?
>> sensors.
>
> Not even image sensors. They just output the frame data
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on AR
Em 14-05-2011 13:02, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
>> way of streaming (VIDIOC_[REQBUF|STREAMON|STREAMOFF|QBUF|DQBUF ioctl's)
>> are not the best way to share da
On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
> Em 14-05-2011 13:02, Hans Verkuil escreveu:
> > On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>
> >> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
> >> way of streaming (VIDIOC_[REQBUF|
> > On both cases, the requirement is to pass a framebuffer between two
> > entities,
> > and not a video stream.
It may not even be a framebuffer. In many cases you'll pass a framebuffer
or some memory target (in DRI think probably a GEM handle), in fact in
theory you can do much of this now.
On Sun, May 15, 2011 at 4:27 PM, Alan Cox wrote:
>> > On both cases, the requirement is to pass a framebuffer between two
>> > entities,
>> > and not a video stream.
>
> It may not even be a framebuffer. In many cases you'll pass a framebuffer
> or some memory target (in DRI think probably a GEM
On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on ARM. This next
Em 15-05-2011 18:10, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
>>> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>
So, based at all I've seen, I'm pretty much convinced that the nor
Em 17-05-2011 09:49, Mauro Carvalho Chehab escreveu:
> Em 15-05-2011 18:10, Hans Verkuil escreveu:
>> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>>
> So, ba
Em 16-05-2011 17:45, Guennadi Liakhovetski escreveu:
> On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
>
>> Em 18-04-2011 17:15, Jesse Barker escreveu:
>>> One of the big issues we've been faced with at Linaro is around GPU
>>> and multimedia device integration, in particular the memory manageme
Hans Verkuil wrote:
> Note that many video receivers cannot stall. You can't tell them to wait until
> the last buffer finished processing. This is different from some/most?
> sensors.
Not even image sensors. They just output the frame data; if the receiver
runs out of buffers the data is just lo
Em 18-05-2011 16:46, Sakari Ailus escreveu:
> Hans Verkuil wrote:
>> Note that many video receivers cannot stall. You can't tell them to wait
>> until
>> the last buffer finished processing. This is different from some/most?
>> sensors.
>
> Not even image sensors. They just output the frame data
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on AR
Em 14-05-2011 13:02, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
>> way of streaming (VIDIOC_[REQBUF|STREAMON|STREAMOFF|QBUF|DQBUF ioctl's)
>> are not the best way to share da
On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
> Em 14-05-2011 13:02, Hans Verkuil escreveu:
> > On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>
> >> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
> >> way of streaming (VIDIOC_[REQBUF|
> > On both cases, the requirement is to pass a framebuffer between two
> > entities,
> > and not a video stream.
It may not even be a framebuffer. In many cases you'll pass a framebuffer
or some memory target (in DRI think probably a GEM handle), in fact in
theory you can do much of this now.
On Sun, May 15, 2011 at 4:27 PM, Alan Cox wrote:
>> > On both cases, the requirement is to pass a framebuffer between two
>> > entities,
>> > and not a video stream.
>
> It may not even be a framebuffer. In many cases you'll pass a framebuffer
> or some memory target (in DRI think probably a GEM
On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on ARM. This next
Em 15-05-2011 18:10, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
>>> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>
So, based at all I've seen, I'm pretty much convinced that the nor
Em 17-05-2011 09:49, Mauro Carvalho Chehab escreveu:
> Em 15-05-2011 18:10, Hans Verkuil escreveu:
>> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>>
> So, ba
Em 16-05-2011 17:45, Guennadi Liakhovetski escreveu:
> On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
>
>> Em 18-04-2011 17:15, Jesse Barker escreveu:
>>> One of the big issues we've been faced with at Linaro is around GPU
>>> and multimedia device integration, in particular the memory manageme
Hans Verkuil wrote:
> Note that many video receivers cannot stall. You can't tell them to wait until
> the last buffer finished processing. This is different from some/most?
> sensors.
Not even image sensors. They just output the frame data; if the receiver
runs out of buffers the data is just lo
Em 18-05-2011 16:46, Sakari Ailus escreveu:
> Hans Verkuil wrote:
>> Note that many video receivers cannot stall. You can't tell them to wait
>> until
>> the last buffer finished processing. This is different from some/most?
>> sensors.
>
> Not even image sensors. They just output the frame data
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on AR
Em 14-05-2011 13:02, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
>> way of streaming (VIDIOC_[REQBUF|STREAMON|STREAMOFF|QBUF|DQBUF ioctl's)
>> are not the best way to share da
On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
> Em 14-05-2011 13:02, Hans Verkuil escreveu:
> > On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>
> >> So, based at all I've seen, I'm pretty much convinced that the normal MMAP
> >> way of streaming (VIDIOC_[REQBUF|
> > On both cases, the requirement is to pass a framebuffer between two
> > entities,
> > and not a video stream.
It may not even be a framebuffer. In many cases you'll pass a framebuffer
or some memory target (in DRI think probably a GEM handle), in fact in
theory you can do much of this now.
On Sun, May 15, 2011 at 4:27 PM, Alan Cox wrote:
>> > On both cases, the requirement is to pass a framebuffer between two
>> > entities,
>> > and not a video stream.
>
> It may not even be a framebuffer. In many cases you'll pass a framebuffer
> or some memory target (in DRI think probably a GEM
On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
> Em 18-04-2011 17:15, Jesse Barker escreveu:
> > One of the big issues we've been faced with at Linaro is around GPU
> > and multimedia device integration, in particular the memory management
> > requirements for supporting them on ARM. This next
Em 15-05-2011 18:10, Hans Verkuil escreveu:
> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
>>> On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>
So, based at all I've seen, I'm pretty much convinced that the nor
Em 17-05-2011 09:49, Mauro Carvalho Chehab escreveu:
> Em 15-05-2011 18:10, Hans Verkuil escreveu:
>> On Saturday, May 14, 2011 13:46:03 Mauro Carvalho Chehab wrote:
>>> Em 14-05-2011 13:02, Hans Verkuil escreveu:
On Saturday, May 14, 2011 12:19:18 Mauro Carvalho Chehab wrote:
>>>
> So, ba
Em 16-05-2011 17:45, Guennadi Liakhovetski escreveu:
> On Sat, 14 May 2011, Mauro Carvalho Chehab wrote:
>
>> Em 18-04-2011 17:15, Jesse Barker escreveu:
>>> One of the big issues we've been faced with at Linaro is around GPU
>>> and multimedia device integration, in particular the memory manageme
Hans Verkuil wrote:
> Note that many video receivers cannot stall. You can't tell them to wait until
> the last buffer finished processing. This is different from some/most?
> sensors.
Not even image sensors. They just output the frame data; if the receiver
runs out of buffers the data is just lo
Em 18-05-2011 16:46, Sakari Ailus escreveu:
> Hans Verkuil wrote:
>> Note that many video receivers cannot stall. You can't tell them to wait
>> until
>> the last buffer finished processing. This is different from some/most?
>> sensors.
>
> Not even image sensors. They just output the frame data
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