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If the capture device fails to load the default cleanup path will be
taken. This error path relies on objects either existing or being set
to NULL.
Ensure that the stream pointer is initialised to prevent segfaults on
the error path.
Fixes: 1b8f9204db68 ("stream: Use abstract video sources")
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reiewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Ideas on Board SPRL, the original copyright owner of the UVC gadget
application code, has been dissolved. All company copyrights have been
transferred to Laurent Pinchart. Update the copyright notices to
accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Replace the boilerplate copyright headers with an SPDX header to ease
license compliance. This doesn't change the license of any of the files.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Replace the manual V4L2 capture implementation by an abstract
video_source, provided by the user of the UVC stream. Removes any
knowledge of the video source internals from the uvc_stream class,
allowing usage of different source types.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The event notifier for the UVC device is registered in
uvc_stream_set_event_handler(), which requires exposing the
uvc_events_process() event handler to the uvc_stream class.
Make the event handler internal by registering it in uvc_events_init().
This requires passing the uvc_stream pointer to the uvc_open() function
and storing it internally in the uvc_device object.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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uvc-gadget.c has been getting cluttered with functions related to
UVC protocol handling and stream handling. Additionally, it is forseen
that we might want stream handling to be modular for different system
models. Factor out code related to UVC protocol handling to uvc.c (and
uvc.h) and code related to stream handling to stream.c (and stream.h),
and update the Makefile accordingly.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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