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libcamera: media_object: Expose entity type

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Add a new field to the MediaEntity class to identify the type of
interface it exposes to userspace. The MediaEntity constructor is
changed to take a media_v2_interface pointer instead of just the device
node major and minor to have access to the interface type.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
This commit is contained in:
Laurent Pinchart 2021-07-03 21:37:44 +03:00
parent 2e4fc65f77
commit a376aa331a
3 changed files with 57 additions and 13 deletions
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11
include/libcamera/internal/media_object.h
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@ -88,9 +88,17 @@ private:
class MediaEntity : public MediaObject
{
public:
enum class Type {
Invalid,
MediaEntity,
V4L2Subdevice,
V4L2VideoDevice,
};
const std::string &name() const { return name_; }
unsigned int function() const { return function_; }
unsigned int flags() const { return flags_; }
Type type() const { return type_; }
const std::string &deviceNode() const { return deviceNode_; }
unsigned int deviceMajor() const { return major_; }
unsigned int deviceMinor() const { return minor_; }
@ -108,13 +116,14 @@ private:
friend class MediaDevice;
MediaEntity(MediaDevice *dev, const struct media_v2_entity *entity,
unsigned int major = 0, unsigned int minor = 0);
const struct media_v2_interface *iface);
void addPad(MediaPad *pad);
std::string name_;
unsigned int function_;
unsigned int flags_;
Type type_;
std::string deviceNode_;
unsigned int major_;
unsigned int minor_;