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[media] documentation: update some files to reflect the V4L1 compat removal

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2010-12-25 07:15:22 -03:00 committed by Mauro Carvalho Chehab
parent 41d9931c5a
commit e4ea644d3e
2 changed files with 3 additions and 14 deletions
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10
Documentation/video4linux/meye.txt
View file

@ -45,8 +45,6 @@ module argument syntax (<param>=<value> when passing the option to the
module or meye.<param>=<value> on the kernel boot line when meye is
statically linked into the kernel). Those options are:
forcev4l1: force use of V4L1 API instead of V4L2
gbuffers: number of capture buffers, default is 2 (32 max)
gbufsize: size of each capture buffer, default is 614400
@ -79,9 +77,8 @@ Usage:
Private API:
------------
The driver supports frame grabbing with the video4linux API
(either v4l1 or v4l2), so all video4linux tools (like xawtv)
should work with this driver.
The driver supports frame grabbing with the video4linux API,
so all video4linux tools (like xawtv) should work with this driver.
Besides the video4linux interface, the driver has a private interface
for accessing the Motion Eye extended parameters (camera sharpness,
@ -123,7 +120,4 @@ Private API:
Bugs / Todo:
------------
- the driver could be much cleaned up by removing the v4l1 support.
However, this means all v4l1-only applications will stop working.
- 'motioneye' still uses the meye private v4l1 API extensions.

7
Documentation/video4linux/videobuf
View file

@ -247,8 +247,6 @@ calls. The relevant helper functions are:
int nonblocking);
int videobuf_streamon(struct videobuf_queue *q);
int videobuf_streamoff(struct videobuf_queue *q);
int videobuf_cgmbuf(struct videobuf_queue *q, struct video_mbuf *mbuf,
int count);
So, for example, a VIDIOC_REQBUFS call turns into a call to the driver's
vidioc_reqbufs() callback which, in turn, usually only needs to locate the
@ -258,10 +256,7 @@ boilerplate in a lot of V4L2 drivers.
The vidioc_streamon() and vidioc_streamoff() functions will be a bit more
complex, of course, since they will also need to deal with starting and
stopping the capture engine. videobuf_cgmbuf(), called from the driver's
vidiocgmbuf() function, only exists if the V4L1 compatibility module has
been selected with CONFIG_VIDEO_V4L1_COMPAT, so its use must be surrounded
with #ifdef directives.
stopping the capture engine.
Buffer allocation