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Add a write method to the JSONPrettyPrinter class to output a character.
This will be used to handle state updates when outputting individual
characters.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
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Skip all white space characters, not just ' '. This makes a difference
if the input JSON data is already formatted.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
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The standalone test mode output to a file name "pretty.json". To make
the test mode more versatile, output to stdout instead. The user can
then decide how to use the output.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
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Instead of passing the output file to every method of the printer class,
make it a class member.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
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Instead of passing a state dictionary to every method, turn the printer
into a class and store the state internally.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
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The ctt_pretty_print_json.py file supports being run standalone to test
the code. It however suffers from multiple issues:
- The same input file name is hardcoded, and doesn't exist in the
repository
- The input file name is used instead of JSON data
Fix both issues and make the input file selectable on the command line.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
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Previously, output of the focus measure could not be enabled without
recompiling (because of the RPI_LOGGING_ENABLE macro). This uses the
libcamera logging mechanism instead, so can be enabled/disabled at
runtime.
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Do not proxy the signal in the CI2Device when there is no need for it,
remove it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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It's confusing to read the code and understand that a request is only
completed before being processed by the ImgU if it only contains a
single RAW buffer. Add a boolean variable with a explanatory name to
make this clearer, no functional change.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Sharing a pointer with the IPA is fragile as it will not work with all
IPC mechanisms. Document that it's a temporary workaround that should be
reworked.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Fix a typo in the word "unknown".
Suggested-by: IOhannes m zmölnig <umlaeute@debian.org>
Signed-off-by: Andrej Shadura <andrewsh@debian.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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W605 invalid escape sequence '\.'
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
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Use the Size::isNull() helper instead of using local code.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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It's common for code to check if a size is null. Add a helper function
to do so.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <email@uajain.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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When an unsupported stream roles is requested to
generateConfiguration(), the function shall fail instead of simply
ignoring the request.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The generateConfiguration() implementation does not check if the
requested list of roles can actually be satisfied. The camera API
documentation prescribes the function shall fail in that case, instead
of silently adjust the returned configuration.
Fix this by implementing the same logic as the validate() function
implements, as the pipeline handler supports one raw stream and up to
two output streams.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Fix wrong parameter indent in generateConfiguration() function
implementation.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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The IPU3 pipeline handler that does not support receiving an empty list
of roles at generateConfiguration() time. This contradicts the camera
API which allows application to generate empty CameraConfiguration to
be later manually filled.
Fix this by returning an empty CameraConfiguration if the list of
requested roles is empty. While at it, align the style with the other
pipeline handlers.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Improve the error message emitted when multiple raw streams are
requested.
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
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Instead of manually deleting the video and subdevices in the destructor
use std::unique_ptr.
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The struct ImgUOutput now only contains one member that is in use, the
video device. Remove the struct and use the video device directly
instead.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The pipeline specific subclass of the pipeline is empty, remove it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The active_ flag is only used inside one function, remove the global
flag and handle it inside the single function.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Do not keep the duplicated ImgUDevice::ImgUOutput information in both
the stream and camera data classes. Remove it from the stream and only
access it from the camera data class.
Which stream is which can instead be checked by comparing it to the
known streams in camera data. This match how streams are checked in
other parts of the code making the pipeline more coherent.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When the IPU3 pipeline only provided streams to applications that came
from the ImgU it made sense to have a generic function to configure all
the different outputs. With the addition of the RAW stream this begins
to be cumbersome to read and make sense of in the PipelineHandlerIPU3
code. Replace the generic function that takes a specific argument for
which sink to configure with a specific function for each sink.
This makes the code easier to follow as it's always clear which of the
ImgU sinks are being configured without knowing the content of a
generically named variable. It also paves the way for future
improvements.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Mark all variables and functions that are only used internally as
private.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The numerical index of the imgu is only used to create its name in
string form. There is no need to keep it around after that, remove it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In preparation of refactoring the IPU3 pipeline handler breakout the
ImgUDevice into its own .cpp and .h file, no functional change.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The IPU3CameraData argument to allocateBuffers() and freeBuffers() is no
longer used and can be removed.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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When the IPU3 pipeline was first developed sinks of the ImgU that where
not active still needed to have buffers allocated to allow streaming to
start. This is no longer true, it's enough that the sinks have imported
buffers to allow streaming to start. As we already need to import
buffers for stream that are active we can align the two cases and always
import buffers.
With this there is no longer a reason to store the allocated
FrameBuffers to keep them alive and the vector tracking them can be
removed.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Statistics buffers are not yet used by the IPU3 pipeline, they are never
queued to the statistics video device or in any other way consumed. The
kernel driver will however not allow video streaming to start if buffers
are not either allocated or imported on the statistics video device.
Instead of allocating the buffers wasting memory that is never used,
import buffers.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The field is never used, remove it.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Storing detailed licensing information in SPDX headers and in the DEP5
file gives precise information to handle license compliance, but lacks a
high-level overview. Summmarize the licensing terms in a COPYING.rst
file to facilitate understanding of the libcamera project licenses, and
to clarify that closed-source third-party IPA modules are permitted.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
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With the refactored CIO2 interface it's now easy to add zero-copy for
buffers in the RAW stream. Use the internally allocated buffers inside
the CIO2Device if no buffer for the RAW stream is provided by the
application, or use the application-provided buffer if any.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The allocation and freeing of buffers for the CIO2 is handled in the
IPU3 pipeline handlers start() and stop() functions. These functions
also call CIO2Device start() and stop() at the appropriate times so
move the CIO2 buffer allocation/freeing inside the CIO2Device and reduce
the complexity of the exposed interface.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In order to make the CIO2 easier to extend with new features make the
V4L2 devices (sensor, CIO2 and video device) private members. This
requires a few helper functions to be added to allow for the IPU3 driver
to still be able to interact with all parts of the CIO2. These helper
functions will later be extended to add new features to the IPU3
pipeline.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Collect the code used to generate configurations for the CIO2 block in
the CIO2Device class. This allows simplifying the code and allow further
changes to only happen at one code location.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Instead of spreading the mapping between media bus codes and V4L2 FourCC
all over the CIO2 code collect it in a single map and extract the data
from it. This is done in preparation of adding PixelFormat information
to the mix.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In preparation of refactoring the IPU3 pipeline handler breakout the
CIO2Device into its own .cpp and .h file, no functional change.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Decouple the number of buffers to allocate for the ImgU from the number
of buffers allocated for the CIO2. Instead of blindly following the CIO2
pick the maximum number of buffers requested for any stream facing
applications.
This is potentially wasteful, as each stream could allocate just as many
buffers as requested by the application instead of the maximum from the
set. But this is not more wasteful than what is already used by the
pipeline and should be fixed on top after the decoupling of the two
processing units.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Selecting which stream is the most suitable for the requested
configuration is mixed with adjusting the requested format when
validating configurations. This is hard to read and got worse when
support for Bayer formats was added. Break it out to a separate
function.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Make the code easier to read and refactor.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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description
Correct a small typo in the method description.
Fixes: d6a88607479 ("libcamera: pipeline_handler: Keep track of MediaDevice")
Signed-off-by: Chris Chinchilla <chris@gregariousmammal.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The pipeline handler documentation incorrectly references an old API
usage of setCameraData, which should have been updated to
registerCamera() while updating pipeline handlers to ensure they all
have a pipeline-specific "CameraData" allocation.
Update the remaining documentation reference.
Fixes: b581b9576abd ("libcamera: pipeline_handler: Make pipeline-specific data mandatory")
Signed-off-by: Chris Chinchilla <chris@gregariousmammal.com>
Reviewed-by: Umang Jain <email@uajain.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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In generateConfiguration(), add the device node specific formats to the
StreamConfiguration for each StreamRole requested.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Adds FocusStatus to the image metadata, containing contrast measurements
across the image. Optionally also prints a contrast measure to the
console, to aid in manual adjustment of the lens. Note that it is not an
actual auto-focus algorithm that can drive a lens!
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Make the V4L2 compatibility layer thread-safe by serializing accesses to
the V4L2CameraProxy with a lock. Release the lock when blocking for
dqbuf.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Fix buffer flags related to queueing and dequeueing:
- don't allow a buffer with the same index that is already in the queue
to be enqueued again
- don't clear the done flag upon qbuf
- do clear the done flag upon dqbuf
- set the flags in V4L2CameraProxy's internal buffers, and not just in
the buffers returned from qbuf
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In VIDIOC_REQBUFS with count = 0, if the buffers are still mmaped, they
should not be allowed to be freed. Add a check for this.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Make VIDIOC_STREAMON return -EINVAL if no buffers have been allocated
with reqbufs.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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