linux-4.4.1/uvc_buffer_prepare()
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開始行:
*参照元 [#uccc49df]
#backlinks
*説明 [#wee86457]
-パス: [[linux-4.4.1/drivers/media/usb/uvc/uvc_queue.c]]
-FIXME: これは何?
--説明
**引数 [#j27bad09]
-struct vb2_buffer *vb
--
--[[linux-4.4.1/vb2_buffer]]
**返り値 [#u2422f88]
-int
--
**参考 [#w5b7f20a]
*実装 [#g5c1235a]
static int uvc_buffer_prepare(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffe...
struct uvc_video_queue *queue = vb2_get_drv_priv...
struct uvc_buffer *buf = container_of(vbuf, stru...
-
--[[linux-4.4.1/vb2_v4l2_buffer]]
--[[linux-4.4.1/to_vb2_v4l2_buffer()]]
--[[linux-4.4.1/uvc_video_queue]]
--[[linux-4.4.1/vb2_get_drv_priv()]]
--[[linux-4.4.1/uvc_buffer]]
--[[linux-4.4.1/container_of()]]
if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
vb2_get_plane_payload(vb, 0) > vb2_plane_siz...
uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes ...
return -EINVAL;
}
-
--[[linux-4.4.1/vb2_get_plane_payload()]]
--[[linux-4.4.1/vb2_plane_size()]]
--[[linux-4.4.1/uvc_trace()]]
if (unlikely(queue->flags & UVC_QUEUE_DISCONNECT...
return -ENODEV;
-
--[[linux-4.4.1/unlikely()]]
buf->state = UVC_BUF_STATE_QUEUED;
buf->error = 0;
buf->mem = vb2_plane_vaddr(vb, 0);
buf->length = vb2_plane_size(vb, 0);
if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
buf->bytesused = 0;
else
buf->bytesused = vb2_get_plane_payload(v...
-
--[[linux-4.4.1/vb2_plane_vaddr()]]
--[[linux-4.4.1/vb2_plane_size()]]
--[[linux-4.4.1/vb2_get_plane_payload()]]
return 0;
}
*コメント [#v8577933]
終了行:
*参照元 [#uccc49df]
#backlinks
*説明 [#wee86457]
-パス: [[linux-4.4.1/drivers/media/usb/uvc/uvc_queue.c]]
-FIXME: これは何?
--説明
**引数 [#j27bad09]
-struct vb2_buffer *vb
--
--[[linux-4.4.1/vb2_buffer]]
**返り値 [#u2422f88]
-int
--
**参考 [#w5b7f20a]
*実装 [#g5c1235a]
static int uvc_buffer_prepare(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffe...
struct uvc_video_queue *queue = vb2_get_drv_priv...
struct uvc_buffer *buf = container_of(vbuf, stru...
-
--[[linux-4.4.1/vb2_v4l2_buffer]]
--[[linux-4.4.1/to_vb2_v4l2_buffer()]]
--[[linux-4.4.1/uvc_video_queue]]
--[[linux-4.4.1/vb2_get_drv_priv()]]
--[[linux-4.4.1/uvc_buffer]]
--[[linux-4.4.1/container_of()]]
if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
vb2_get_plane_payload(vb, 0) > vb2_plane_siz...
uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes ...
return -EINVAL;
}
-
--[[linux-4.4.1/vb2_get_plane_payload()]]
--[[linux-4.4.1/vb2_plane_size()]]
--[[linux-4.4.1/uvc_trace()]]
if (unlikely(queue->flags & UVC_QUEUE_DISCONNECT...
return -ENODEV;
-
--[[linux-4.4.1/unlikely()]]
buf->state = UVC_BUF_STATE_QUEUED;
buf->error = 0;
buf->mem = vb2_plane_vaddr(vb, 0);
buf->length = vb2_plane_size(vb, 0);
if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
buf->bytesused = 0;
else
buf->bytesused = vb2_get_plane_payload(v...
-
--[[linux-4.4.1/vb2_plane_vaddr()]]
--[[linux-4.4.1/vb2_plane_size()]]
--[[linux-4.4.1/vb2_get_plane_payload()]]
return 0;
}
*コメント [#v8577933]
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