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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-09 14:45:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-09 14:45:54 -0800
commit96a6de1a541c86e9e67b9c310c14db4099bd1cbc (patch)
treee77eb0e998e996f53dd0709611bd8cdd8776ee70 /include/media/videobuf2-v4l2.h
parent36011ddc78395b59a8a418c37f20bcc18828f1ef (diff)
parent15d90a6ae98e6d2c68497b44a491cb9efbb98ab1 (diff)
Merge tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - remove sensor drivers that got converted from soc_camera - remaining soc_camera drivers got moved to staging - some documentation cleanups and improvements - the imx staging driver now supports imx7 - the ov9640, mt9m001 and mt9m111 got converted from soc_camera - the vim2m driver now does what a m2m convert driver expects to do - epoll() fixes on media subsystems - several drivers fixes, typos, cleanups and improvements * tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (346 commits) media: dvb/earth-pt1: fix wrong initialization for demod blocks media: vim2m: Address some coding style issues media: vim2m: don't use BUG() media: vim2m: speedup passthrough copy media: vim2m: add an horizontal scaler media: vim2m: don't accept YUYV anymore as output format media: vim2m: add vertical linear scaler media: vim2m: better handle cap/out buffers with different sizes media: vim2m: use different framesizes for bayer formats media: vim2m: add support for VIDIOC_ENUM_FRAMESIZES media: vim2m: ensure that width is multiple of two media: vim2m: improve debug messages media: vim2m: add bayer capture formats media: a few more typos at staging, pci, platform, radio and usb media: Documentation: fix several typos media: staging: fix several typos media: include: fix several typos media: common: fix several typos media: v4l2-core: fix several typos media: usb: fix several typos ...
Diffstat (limited to 'include/media/videobuf2-v4l2.h')
-rw-r--r--include/media/videobuf2-v4l2.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index 727855463838..8a10889dc2fd 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -55,6 +55,22 @@ struct vb2_v4l2_buffer {
#define to_vb2_v4l2_buffer(vb) \
container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
+/**
+ * vb2_find_timestamp() - Find buffer with given timestamp in the queue
+ *
+ * @q: pointer to &struct vb2_queue with videobuf2 queue.
+ * @timestamp: the timestamp to find.
+ * @start_idx: the start index (usually 0) in the buffer array to start
+ * searching from. Note that there may be multiple buffers
+ * with the same timestamp value, so you can restart the search
+ * by setting @start_idx to the previously found index + 1.
+ *
+ * Returns the buffer index of the buffer with the given @timestamp, or
+ * -1 if no buffer with @timestamp was found.
+ */
+int vb2_find_timestamp(const struct vb2_queue *q, u64 timestamp,
+ unsigned int start_idx);
+
int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b);
/**