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The video_source is an abstract class representing a source of video
buffers. It can be subclassed by implementing the video_source_ops
operations to support different types of video sources.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The v4l2_video_buffer structure describes a video buffer. It is used by
the v4l2_device class only, but isn't otherwise tied to V4L2. To prepare
for non-V4L2 video sources, extract it to a separate file and rename it
to video_buffer.
At the same time, add a new video_buffer_set structure to represent as
set of video buffers.
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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Parse a configuration name from the commandline, and utilise it to
identify the configfs configuration path.
Only the short-name (i.e. "uvc.1") is necessary to provide if there is
no ambiguity regarding the gadget, otherwise the gadget path should be
included ("g1/functions/uvc.1"). If the parameter is not provided then
the first function is utilised.
Legacy g_webcam is still supported, and the parameter will define the
UDC to match against if provided.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The omap3-isp-live project [1] includes generic V4L2 support code that
implements the V4L2 API. Instead of reinventing the wheel, import the
code and use it.
The code has been modified to merge the V4L2 buffers pool implementation
in the V4L2 support code as the abstraction wasn't right for the
uvc-gadget project. Further refactoring will be performed separately.
The original license hasn't been modified from the original LGPL-2.1+.
The sole copyright owner is Laurent Pinchart.
[1] git://git.ideasonboard.org/omap3-isp-live.git
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The omap3-isp-live project [1] includes a generic event handling library
that implements a select-based loop. Instead of reinventing the wheel,
import the library and use it.
The original license hasn't been modified, and includes both GPL-2.0+
and LGPL-2.1+ code. The sole copyright owner is Laurent Pinchart.
[1] git://git.ideasonboard.org/omap3-isp-live.git
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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