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151ebb8663
A libcamera camera has a set of static properties found in `Camera::properties()`. Some of the properties are already available for pipewire clients (Model, Rotation, Location), most of them are not. So serialize all properties into a strings and make them available on the pipewire device. The keys have the form "api.libcamera.property.<vendor>.<name>" and the values are intended to be valid json values, parsable by python's `json.loads()` or qt's `QJsonValue::fromJson()`. Controls of type "rectangle", "size", or "point" are not supported for now since their json forms are not self-evident. They can be added when the need arises.
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/* Spa libcamera support */
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/* SPDX-FileCopyrightText: Copyright © 2020 collabora */
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/* SPDX-License-Identifier: MIT */
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#pragma once
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#include <memory>
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#include <libcamera/camera_manager.h>
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#include <libcamera/version.h>
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#include <spa/support/log.h>
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#include <spa/utils/defs.h>
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#define KEY_VERSION_LIBRARY "api.libcamera.version.library"
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#define KEY_VERSION_HEADER "api.libcamera.version.header"
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#define KEY_PROPERTY_PREFIX "api.libcamera.property"
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extern "C" {
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extern const struct spa_handle_factory spa_libcamera_source_factory;
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extern const struct spa_handle_factory spa_libcamera_manager_factory;
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extern const struct spa_handle_factory spa_libcamera_device_factory;
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#undef SPA_LOG_TOPIC_DEFAULT
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#define SPA_LOG_TOPIC_DEFAULT &libcamera_log_topic
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extern struct spa_log_topic libcamera_log_topic;
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}
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static inline void libcamera_log_topic_init(struct spa_log *log)
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{
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spa_log_topic_init(log, &libcamera_log_topic);
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}
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static inline const char *libcamera_library_version()
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{
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return libcamera::CameraManager::version().c_str();
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}
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static inline const char *libcamera_header_version()
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{
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return
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SPA_STRINGIFY(LIBCAMERA_VERSION_MAJOR) "."
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SPA_STRINGIFY(LIBCAMERA_VERSION_MINOR) "."
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SPA_STRINGIFY(LIBCAMERA_VERSION_PATCH);
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}
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std::shared_ptr<libcamera::CameraManager> libcamera_manager_acquire(int& res);
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