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| author | Ezequiel Garcia <ezequiel@collabora.com> | 2022-07-12 00:11:34 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-07-17 13:10:11 +0300 |
| commit | 9d042e457ef8e3f883f0cba8a1eed633906deb78 (patch) | |
| tree | 5b124d9aeb9de3c9cf02dde82b6c244cf19300cf /include/media | |
| parent | f0b4a9c46c118d07ac4728323599e282c313799a (diff) | |
| download | linux-9d042e457ef8e3f883f0cba8a1eed633906deb78.tar.xz | |
media: videobuf2: Introduce vb2_find_buffer()
All users of vb2_find_timestamp() combine it with vb2_get_buffer()
to retrieve a videobuf2 buffer, given a u64 timestamp.
Introduce an API for this use-case. Users will be converted to the new
API as follow-up commits.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/videobuf2-v4l2.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h index d818d9707695..76e405c0b003 100644 --- a/include/media/videobuf2-v4l2.h +++ b/include/media/videobuf2-v4l2.h @@ -78,6 +78,16 @@ struct vb2_v4l2_buffer { int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp, unsigned int start_idx); +/** + * vb2_find_buffer() - Find a buffer with given timestamp + * + * @q: pointer to &struct vb2_queue with videobuf2 queue. + * @timestamp: the timestamp to find. + * + * Returns the buffer with the given @timestamp, or NULL if not found. + */ +struct vb2_buffer *vb2_find_buffer(struct vb2_queue *q, u64 timestamp); + int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b); /** |