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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field isn't needed anymore, remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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To support buffer pools, configure video node formats automatically in
omap3_isp_pipeline_try_format() instead of manually in the viewfinder
and snapshot setup functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Don't stop pipeline formats configuration at the first video device
node, but go through pools until the end of the pipeline.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Buffers pools can be inserted in a pipeline between a video capture
device and a video output device. They will automatically relay buffers
from the capture device to the output device in a transparent way.
One use case of buffer pools is to work around hardware issues. When the
CCDC is directly connected to the preview engine, any ESD-induce noise
on the HS or VS signals will make the preview engine loose sync, is it
only relies on line counts. Introducing a buffer pool between the CCDC
and preview engine work around the issue.
This patch only implements buffer pool creation during pipeline build.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Open video devices right away when they're added to the pipeline. This
will help pools implementation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The output video node already has an entity associated with it. Make
that entity an instance of struct omap3_isp_video.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field isn't used anymore, remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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And remove the omap3_isp_pipeline_set_format() function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Move omap3_isp_pipeline_activate() call from
omap3_isp_snapshot_restore_pipeline() to
omap3_isp_viewfinder_setup_pipeline() and remove
omap3_isp_snapshot_restore_pipeline().
Remove the setup_link() calls from omap3_isp_open(), pre-setup of the
pipeline isn't required anymore now that trying formats doesn't rely on
active links.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The function tries formats on pipeline pads to achieve the requested
output format, and saves the format at each pad in the oamp3_isp_pad
structure for later use.
Replace the snapshot format try code by a call to
omap3_isp_pipeline_try_format().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The function activates all links in the given pipeline. Replace manual
link activation by calls to omap3_isp_pipeline_activate().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a omap3_isp_pipeline_build() function to build a pipeline from a
list of entity names.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The structure will be used to handle pipelines. For now it only contains
the video output node structure.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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