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From: Mike Isely <isely@pobox.com>
Switch back to the previous input selection when the radio device is
closed - but only do that if the current input selection is still the
radio (i.e. it appears that it hasn't been messed with).
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
When the input is switched by opening /dev/radioX, we must also commit
that change into the driver core.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Clean up and tighten logic involving stream configuration. This
mainly involves changes to pvrusb2-v4l2.c, where we better clarify how
we use the stream configuration enum and implement a cleaner means to
control streaming for a given device node.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Trying to temporarily check that the stream is not claimed during open
of the radio device is at best a race condition. What's to stop
another app from claiming the stream anyway the instant after the
check is done? The implementation for this was dicey anyway. So it's
removed. The only "price" for this is that if /dev/radioX is opened
while streaming video, then the video stream is just going to switch
to radio mode anyway. If a user does this, he gets what he expects...
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Report and set correctly converted frequency to/from a V4L2 app.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
We can't allocate v4l device structures in a block, since the v4l core
governs when each device actually gets freed. This bug was introduced
as part of the core radio implementation. Fix it.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Support specification of vbi and radio device minor numbers in a
manner similar to the video device minor number.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Use separate enum for get/store of minor number; we want pvr2_config
to go away eventually and since it really means something different,
don't use it here
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Pantelis Koukousoulas <pakt223@freemail.gr>
The "main" V4L2 interface patch. This is yet very incomplete, incorrect and
probably inappropriate for inclusion as-is, but at least with this I 'm able
to tune and play radio through a V4L2 program (pvr-radio.c, a "thumb" version
of ivtv-radio.c with just the essentials).
Therefore, it kinda gives an idea of what is needed to support this, hm,
interface (partly used also by e.g., kradio). Please point out any mistakes
on this code. I 'm sure I 'm messing up some struct initialization somewhere
but currently I 'm too lazy to actually think this through until I complete
the functionality (e.g., handle the VIDIOC_S_STD, ENUMINPUT, etc ioctls
appropriately).
--Pantelis
Signed-off-by: Pantelis Koukousoulas <pakt223@freemail.gr>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Pantelis Koukousoulas <pakt223@freemail.gr>
This is the first patch in preparation of the V4L2/IVTV radio interface.
It does away with the assumption of only one minor per device. It also
adds a file to show the radio minor as well. This can be useful for a
program like pvr-radio.c (when it grows up), since this way it can search
for the minor of the /dev/radioX device it opened and use the video minor
of the same driver instance to get to the actual stream.
The implementation looks kinda ugly. Feel free to improve (that is the
reason behind separate patches anyway).
--Pantelis
Signed-off-by: Pantelis Koukousoulas <pakt223@freemail.gr>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Randy Dunlap <randy.dunlap@oracle.com>
Fix sparse NULL usage warnings:
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:714:14: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:715:16: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:1079:10: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c:224:58: warning: Using plain integer as NULL pointer
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
The function prototype needed in pvrusb2-v4l2.c has been moved to
v4l2-dev.h. Track that change.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
A previous attempt to deal with the upcoming loss of
video_set_drvdata() and video_get_drvdata() resulted in logic which
causes a circular locking dependency - also known as a deadlock. This
changeset attacks the problem in a different manner, using a technique
that no longer requires the problematic mutex (or that private global
array either).
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Implement VIDIOC_INT_SET_REGISTER and VIDIOC_INT_GET_REGISTER for the
pvrusb2 driver. This is a debugging aid which will not be enabled
unless CONFIG_VIDEO_ADV_DEBUG has been enabled.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Mike Isely <isely@pobox.com>
The pvrusb2 implementation for VIDIOC_[S|TRY]_FMT was hardcoding
limits on the range for allowed resolution, but it would be much
better if we instead just queried the internal control for these
values. This then opens the door for the driver to adjust these
limits based on the detected hardware.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Adrian Bunk <bunk@stusta.de>
This patch contains the following possible cleanups:
- make needlessly global code static
- #if 0 unused global functions
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mike Isely <isely@pobox.com>
Previously the pvrusb2 driver was conditionalizing printing of the
device register / unregister messages against a debug mask. This sort
of information should always appear, thus this patch.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
With the removal of the V4L1 API, we also lose the functionality
provided by the video_get_drvdata() and video_set_drvdata() functions.
These functions had made it possible for a driver to stuff a pointer
to its own context inside the V4L device handle context - a useful
ability. However now that's going away, so the driver is on its own
to find its context when called into from a more generic context
(e.g. the open() entrypoint). The changes in this patch implement a
global context mapping array, an array index back-reference per
instance, and a new global mutex to protect the entire thing. The
array is indexed by the minor device id of the V4L device inode. All
this fun is present to work around what used to be roughly 4 lines of
code. Sigh...
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Clean up logic for handling video standards in the pvrusb2 driver.
New implementation should be able to handle all possible V4L defined
video standards now, and it should be far easier to maintain this
going forward.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
Rework controls internal architecture. Rework video standard
handling. This is a major change.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Add standard lines before/after the LOG_STATUS output: this allows easy
reading and parsing from the kernel log with e.g. ivtvctl (to be added
to v4l-dvb at a later date).
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Mike Isely <isely@pobox.com>
Rework entire internal controls interface to eliminate the need for
visibly defined control IDs which must otherwise be translated by the
V4L2 public interface. As part of this work, internal structures
which mimiced various V4L2 structures (video standards, audio modes)
have been reworked to actually use the native structures. This
triggered a _significant_ rework for how video standards are dealt
with (and what is in place now should be much more flexible and
forgiving for various handling less-common video standards).
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mike Isely <isely@pobox.com>
When a V4L app queries a pvrusb2 control, make sure we also tell it
what the control's default value is.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Mauro Carvalho Chehab <mchehab@infradead.org>
merge:
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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From: Mike Isely <isely@pobox.com>
The PVR USB2 hardware seems to like emitting some garbage data before
real stream data appears. This problem has been present all along,
but with the older 29xxx model series it was benign because the
garbage data in question didn't seem to bother mpeg2 players. But
with the 24xxx model series, the garbage data includes what looks like
a corrupted mpeg2 packet, which kills mythtv and ffmpeg. This fix
causes incoming stream data to be discarded until valid mpeg2 data is
seen.
Signed-off-by: Mike Isely <isely@pobox.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Add a new audio mode V4L2_TUNER_MODE_LANG1_LANG2 (used by VIDIOC_G/S_TUNER).
This mode allows the user to select both languages of a bilingual transmission,
one language on the left, one on the right audio channel. If there is no
bilingual transmission, or it is not supported, then this mode should act like
V4L2_TUNER_MODE_STEREO.
This mode is introduced for PVR-like drivers where it is useful to be able to
record both languages of a bilingual broadcast.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Michael Krufky <mkrufky@linuxtv.org>
- Changed all occurances of "#ifdef notdef" to "#if 0"
- This code will remain visible in the v4l-dvb repositories,
but will be held back from git.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
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From: Michael Krufky <mkrufky@linuxtv.org>
- device registration messages altered to conform with the other v4l drivers.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
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From: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
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