media: videobuf2: Access vb2_queue bufs array through helper functions

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This patch adds 2 helpers functions to add and remove vb2 buffers
from a queue. With these 2 and vb2_get_buffer(), bufs field of
struct vb2_queue becomes like a private member of the structure.

After each call to vb2_get_buffer() we need to be sure that we get
a valid pointer in preparation for when buffers can be deleted.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

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Benjamin Gaignard 2023-11-09 17:29:17 +01:00 • committed by Mauro Carvalho Chehab

parent 3c147c2931

commit 6ea001f94a

2 changed files with 149 additions and 53 deletions

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158

drivers/media/common/videobuf2/videobuf2-core.c

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44

drivers/media/common/videobuf2/videobuf2-v4l2.c

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