c6821c741d
video_framebuff: Replace critical section with spinlock
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to avoid th global big lock and improve the performance.
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2024-03-26 15:21:05 +08:00
0db82210fd
video_framebuff: Hold mutex in video_framebuff_realloc_container
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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2024-03-26 15:21:05 +08:00
efee5f86e8
video_framebuff: Remove the unnecessary vbuf_curr field
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since vbuf_curr is always equal to vbuf_next
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2024-03-26 15:21:05 +08:00
25e7d9e43e
video: add video buffer overflow warning info.
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Signed-off-by: yaojingwei <yaojingwei@xiaomi.com>
2024-03-26 15:21:05 +08:00
baefa5fa6b
Revert "drivers/video: Don't need update vbuf_tail in dequeue_vbuf_unsafe"
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This reverts commit e15bccaa71
2023-07-26 07:45:30 -07:00
a3db142fbf
drivers/video: use kmm_free(buff) to free memory instead of realloc(buff, 0) which is abandoned
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ref: 89d61f4eb4
2023-07-12 02:33:17 +08:00
a1e04617f8
drivers/video/video: add poll support to capture
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support part of Linux std:
https://www.kernel.org/doc/html/v4.9/media/uapi/v4l/func-poll.html
Capture devices set the POLLIN and POLLRDNORM flags in the revents field
Signed-off-by: jihandong <jihandong@xiaomi.com>
2023-02-13 23:17:45 +08:00
243983328a
drivers/video: Correct the code style
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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-17 20:43:07 +08:00
1555c9b8f8
drivers/video: Zero next field of dequeued buffer before return dequeue_vbuf_unsafe
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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-13 21:38:22 +02:00
e15bccaa71
drivers/video: Don't need update vbuf_tail in dequeue_vbuf_unsafe
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since it is already done in video_framebuff_queue_container
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-13 21:38:22 +02:00
01d7f44480
drivers/video: Merge vbuf_next assignment in video_framebuff_queue_container
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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-13 21:38:22 +02:00
d09f1fb186
drivers/video: Keep the old state in case of fail
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and ensure the internal state get clear if sz equals zero
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-13 21:38:22 +02:00
ae3cadf03c
drivers/video: Skip all action if video_framebuff_realloc_container doesn't change the container size
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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-13 21:38:22 +02:00
aa20b1e8bd
drivers/video: Zero all video_framebuff_t fields in video_framebuff_init
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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-12-13 21:38:22 +02:00
31347da187
drivers/video: add support for V4L2 mmap-ed buffer
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Support V4L2_MEMORY_MMAP memory mode
Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
2022-12-07 01:21:46 +08:00
d1d46335df
Replace nxsem API when used as a lock with nxmutex API
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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-17 15:59:46 +09:00
74df4b70b3
drivers: video: Rearchitect video driver
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Rearchitect video driver:
- Define two video I/F(struct imgsensor_ops_s and struct imgdata_ops_s),
and support them.
- CISIF driver supports new video I/F struct imgdata_ops_s.
- ISX012 driver supports new video I/F struct imgsensor_ops_s.
- Move ISX012 driver to general driver directory.
2021-09-15 07:06:35 +02:00
cb5d8b53cb
drivers: video: altair: nxstyle fixes
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Nxstyle fixes to pass CI
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-01-26 05:11:58 -08:00
f22683a0a6
drivers: replace licenses with Apache 2.0
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This change is a license change to Apache 2.0 license.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-01-26 05:11:58 -08:00
6a3c2aded6
Fix wait loop and void cast ( #24 )
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* Simplify EINTR/ECANCEL error handling
1. Add semaphore uninterruptible wait function
2 .Replace semaphore wait loop with a single uninterruptible wait
3. Replace all sem_xxx to nxsem_xxx
* Unify the void cast usage
1. Remove void cast for function because many place ignore the returned value witout cast
2. Replace void cast for variable with UNUSED macro
2020-01-02 10:54:43 -06:00
128c1f1430
Merged in alinjerpelea/nuttx (pull request #934 )
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drivers: video: add basic Video Stream support
basic video stream and capture implementation based on the
spresense SDK code release
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-07-04 13:30:50 +00:00
Xiang Xiao