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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-12-25 13:15:22 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-29 13:17:07 +0300 |
| commit | e4ea644d3e59436f12e43df5d17fdf4fcf7c5fa7 (patch) | |
| tree | 78d4f583577b74ea5a3fe8d84b7c86dbe0ab47dd /Documentation/video4linux/videobuf | |
| parent | 41d9931c5ae014fbab8bf612c70b8e7ff16f4641 (diff) | |
| download | linux-e4ea644d3e59436f12e43df5d17fdf4fcf7c5fa7.tar.xz | |
[media] documentation: update some files to reflect the V4L1 compat removal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/video4linux/videobuf')
| -rw-r--r-- | Documentation/video4linux/videobuf | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/Documentation/video4linux/videobuf b/Documentation/video4linux/videobuf index 17a1f9abf260..1d00d7f15b8f 100644 --- a/Documentation/video4linux/videobuf +++ b/Documentation/video4linux/videobuf @@ -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 |