diff --git a/subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json b/subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json
index 69b7e7d05b..38f43bd9a7 100644
--- a/subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json
+++ b/subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json
@@ -456,6 +456,525 @@
         "tracers": {},
         "url": "Unknown package origin"
     },
+    "aja": {
+        "description": "GStreamer AJA plugin",
+        "elements": {
+            "ajasink": {
+                "author": "Sebastian Dröge <sebastian@centricular.com>",
+                "description": "Outputs audio/video frames with AJA devices",
+                "hierarchy": [
+                    "GstAjaSink",
+                    "GstBaseSink",
+                    "GstElement",
+                    "GstObject",
+                    "GInitiallyUnowned",
+                    "GObject"
+                ],
+                "klass": "Audio/Video/Sink",
+                "pad-templates": {
+                    "sink": {
+                        "caps": "video/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 576\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 12/11\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 576\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 16/11\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: interleaved\n    field-order: bottom-field-first\npixel-aspect-ratio: 10/11\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: interleaved\n    field-order: bottom-field-first\npixel-aspect-ratio: 40/33\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 10/11\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 40/33\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 10/11\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 40/33\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\n",
+                        "direction": "sink",
+                        "presence": "always"
+                    }
+                },
+                "properties": {
+                    "audio-system": {
+                        "blurb": "Audio system to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Auto (based on selected channel) (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaAudioSystem",
+                        "writable": true
+                    },
+                    "cea608-line-number": {
+                        "blurb": "Sets the line number to use for CEA608 S334-1 Annex A Closed Captions (-1=disabled)",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "12",
+                        "max": "-1",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "cea708-line-number": {
+                        "blurb": "Sets the line number to use for CEA708 S334-2 Closed Captions (-1=disabled)",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "12",
+                        "max": "-1",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "channel": {
+                        "blurb": "Channel to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "0",
+                        "max": "7",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "device-identifier": {
+                        "blurb": "Input device instance to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "gchararray",
+                        "writable": true
+                    },
+                    "end-frame": {
+                        "blurb": "End frame buffer to be used for output (auto if same number as start-frame).",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "0",
+                        "max": "2147483647",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "output-cpu-core": {
+                        "blurb": "Sets the affinity of the output thread to this CPU core (-1=disabled)",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "-1",
+                        "max": "-1",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "output-destination": {
+                        "blurb": "Output destination to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Auto (based on selected channel) (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaOutputDestination",
+                        "writable": true
+                    },
+                    "queue-size": {
+                        "blurb": "Size of internal queue in number of video frames. Half of this is allocated as device buffers and equal to the latency.",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "16",
+                        "max": "2147483647",
+                        "min": "1",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "reference-source": {
+                        "blurb": "Reference source to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Auto (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaReferenceSource",
+                        "writable": true
+                    },
+                    "rp188": {
+                        "blurb": "Enable RP188 timecode transmission",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "true",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "gboolean",
+                        "writable": true
+                    },
+                    "sdi-mode": {
+                        "blurb": "SDI mode to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Single Link (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaSdiMode",
+                        "writable": true
+                    },
+                    "start-frame": {
+                        "blurb": "Start frame buffer to be used for output (auto if same number as end-frame).",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "0",
+                        "max": "2147483647",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "timecode-index": {
+                        "blurb": "Timecode index to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Embedded SDI VITC (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaTimecodeIndex",
+                        "writable": true
+                    }
+                },
+                "rank": "none"
+            },
+            "ajasinkcombiner": {
+                "author": "Sebastian Dröge <sebastian@centricular.com>",
+                "description": "Combines corresponding audio/video frames",
+                "hierarchy": [
+                    "GstAjaSinkCombiner",
+                    "GstAggregator",
+                    "GstElement",
+                    "GstObject",
+                    "GInitiallyUnowned",
+                    "GObject"
+                ],
+                "klass": "Audio/Video/Combiner",
+                "pad-templates": {
+                    "audio": {
+                        "caps": "audio/x-raw:\n         format: S32LE\n           rate: 48000\n       channels: [ 1, 16 ]\n         layout: interleaved\n",
+                        "direction": "sink",
+                        "presence": "request",
+                        "type": "GstAggregatorPad"
+                    },
+                    "src": {
+                        "caps": "video/x-raw:\n",
+                        "direction": "src",
+                        "presence": "always",
+                        "type": "GstAggregatorPad"
+                    },
+                    "video": {
+                        "caps": "video/x-raw:\n",
+                        "direction": "sink",
+                        "presence": "always",
+                        "type": "GstAggregatorPad"
+                    }
+                },
+                "rank": "none"
+            },
+            "ajasrc": {
+                "author": "Sebastian Dröge <sebastian@centricular.com>",
+                "description": "Captures audio/video frames with AJA devices",
+                "hierarchy": [
+                    "GstAjaSrc",
+                    "GstPushSrc",
+                    "GstBaseSrc",
+                    "GstElement",
+                    "GstObject",
+                    "GInitiallyUnowned",
+                    "GObject"
+                ],
+                "klass": "Audio/Video/Source",
+                "pad-templates": {
+                    "src": {
+                        "caps": "video/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 1280\n         height: 720\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 1920\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 576\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 12/11\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 576\n interlace-mode: interleaved\n    field-order: top-field-first\npixel-aspect-ratio: 16/11\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: interleaved\n    field-order: bottom-field-first\npixel-aspect-ratio: 10/11\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: interleaved\n    field-order: bottom-field-first\npixel-aspect-ratio: 40/33\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 10/11\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 40/33\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 10/11\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 720\n         height: 486\n interlace-mode: progressive\npixel-aspect-ratio: 40/33\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 2048\n         height: 1080\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 3840\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 4096\n         height: 2160\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 7680\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24000/1001\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 24/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 25/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30000/1001\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 30/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 50/1\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60000/1001\nvideo/x-raw:\n         format: v210\n          width: 8192\n         height: 4320\n interlace-mode: progressive\npixel-aspect-ratio: 1/1\n      framerate: 60/1\n",
+                        "direction": "src",
+                        "presence": "always"
+                    }
+                },
+                "properties": {
+                    "audio-source": {
+                        "blurb": "Audio source to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Embedded (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaAudioSource",
+                        "writable": true
+                    },
+                    "audio-system": {
+                        "blurb": "Audio system to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Auto (based on selected channel) (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaAudioSystem",
+                        "writable": true
+                    },
+                    "capture-cpu-core": {
+                        "blurb": "Sets the affinity of the capture thread to this CPU core (-1=disabled)",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "-1",
+                        "max": "-1",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "channel": {
+                        "blurb": "Channel to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "0",
+                        "max": "7",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "closed-caption-capture-mode": {
+                        "blurb": "Closed Caption Capture Mode",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "CEA708 S334-2 and CEA608 S334-1 Annex A Closed Captions (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaClosedCaptionCaptureMode",
+                        "writable": true
+                    },
+                    "device-identifier": {
+                        "blurb": "Input device instance to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "gchararray",
+                        "writable": true
+                    },
+                    "embedded-audio-input": {
+                        "blurb": "Embedded Audio Input to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "auto (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaEmbeddedAudioInput",
+                        "writable": true
+                    },
+                    "end-frame": {
+                        "blurb": "End frame buffer to be used for capturing (automatically assign that many frames if same number as start-frame).",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "8",
+                        "max": "2147483647",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "input-source": {
+                        "blurb": "Input source to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Auto (based on selected channel) (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaInputSource",
+                        "writable": true
+                    },
+                    "queue-size": {
+                        "blurb": "Size of internal queue in number of video frames. Half of this is allocated as device buffers and equal to the latency.",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "16",
+                        "max": "2147483647",
+                        "min": "1",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "reference-source": {
+                        "blurb": "Reference source to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Freerun (1)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaReferenceSource",
+                        "writable": true
+                    },
+                    "rp188": {
+                        "blurb": "Enable RP188 timecode retrieval",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "true",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "gboolean",
+                        "writable": true
+                    },
+                    "sdi-input-mode": {
+                        "blurb": "SDI input mode to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Single Link (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaSdiMode",
+                        "writable": true
+                    },
+                    "signal": {
+                        "blurb": "True if there is a valid input signal available",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "false",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "gboolean",
+                        "writable": false
+                    },
+                    "start-frame": {
+                        "blurb": "Start frame buffer to be used for capturing (automatically assign that many frames if same number as end-frame).",
+                        "conditionally-available": false,
+                        "construct": false,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "8",
+                        "max": "2147483647",
+                        "min": "0",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "guint",
+                        "writable": true
+                    },
+                    "timecode-index": {
+                        "blurb": "Timecode index to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Embedded SDI VITC (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaTimecodeIndex",
+                        "writable": true
+                    },
+                    "video-format": {
+                        "blurb": "Video format to use",
+                        "conditionally-available": false,
+                        "construct": true,
+                        "construct-only": false,
+                        "controllable": false,
+                        "default": "Auto detect format (0)",
+                        "mutable": "null",
+                        "readable": true,
+                        "type": "GstAjaVideoFormat",
+                        "writable": true
+                    }
+                },
+                "rank": "none"
+            },
+            "ajasrcdemux": {
+                "author": "Sebastian Dröge <sebastian@centricular.com>",
+                "description": "Demuxes audio/video from video buffers",
+                "hierarchy": [
+                    "GstAjaSrcDemux",
+                    "GstElement",
+                    "GstObject",
+                    "GInitiallyUnowned",
+                    "GObject"
+                ],
+                "klass": "Audio/Video/Demux",
+                "pad-templates": {
+                    "audio": {
+                        "caps": "audio/x-raw:\n",
+                        "direction": "src",
+                        "presence": "always"
+                    },
+                    "sink": {
+                        "caps": "video/x-raw:\n",
+                        "direction": "sink",
+                        "presence": "always"
+                    },
+                    "video": {
+                        "caps": "video/x-raw:\n",
+                        "direction": "src",
+                        "presence": "always"
+                    }
+                },
+                "rank": "none"
+            }
+        },
+        "filename": "gstaja",
+        "license": "LGPL",
+        "other-types": {},
+        "package": "GStreamer",
+        "source": "gstreamer",
+        "tracers": {},
+        "url": "Unknown package origin"
+    },
     "amfcodec": {
         "description": "AMD AMF Codec plugin",
         "elements": {
diff --git a/subprojects/gst-plugins-bad/meson_options.txt b/subprojects/gst-plugins-bad/meson_options.txt
index a799b6b388..3ac02da33a 100644
--- a/subprojects/gst-plugins-bad/meson_options.txt
+++ b/subprojects/gst-plugins-bad/meson_options.txt
@@ -81,6 +81,7 @@ option('x11', type : 'feature', value : 'auto', description : 'X11 support in Vu
 
 # Feature options for plugins that need external deps
 option('aes', type : 'feature', value : 'auto', description : 'AES encryption/decryption plugin')
+option('aja', type : 'feature', value : 'auto', description : 'AJA audio/video source/sink plugin')
 option('aom', type : 'feature', value : 'auto', description : 'AOM AV1 video codec plugin')
 option('avtp', type : 'feature', value : 'auto', description : 'Audio/Video Transport Protocol (AVTP) plugin')
 option('amfcodec', type : 'feature', value : 'auto', description : 'AMD AMF codec plugin')
@@ -204,6 +205,10 @@ option('v4l2codecs', type : 'feature', value : 'auto', description : 'Video4Linu
 option('uvcgadget', type : 'feature', value : 'auto', description : 'uvc video gadget plugin')
 option('isac', type : 'feature', value : 'auto', description : 'iSAC plugin')
 
+# AJA plugin options
+option('aja-sdk-dir', type : 'string', value : '',
+  description : 'Directory with AJA SDK, e.g. ntv2sdklinux_16.0.0.4')
+
 # HLS plugin options
 option('hls', type : 'feature', value : 'auto', description : 'HTTP Live Streaming plugin')
 option('hls-crypto', type : 'combo', value : 'auto', choices : ['auto', 'nettle', 'libgcrypt', 'openssl'],
diff --git a/subprojects/gst-plugins-bad/sys/aja/meson.build b/subprojects/gst-plugins-bad/sys/aja/meson.build
index 7ae140dbd9..0f79a7cca3 100644
--- a/subprojects/gst-plugins-bad/sys/aja/meson.build
+++ b/subprojects/gst-plugins-bad/sys/aja/meson.build
@@ -1,84 +1,41 @@
-project('gst-aja', 'cpp',
-  version : '0.1.0',
-  meson_version : '>= 0.63.0',
-  default_options : [ 'warning_level=1',
-                      'buildtype=debugoptimized',
-                      'cpp_std=c++11',
-                      'cpp_eh=none',
-                      'cpp_rtti=false',
-                    ]
-)
-
-plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
-
-cxx = meson.get_compiler('cpp')
-
-if cxx.has_argument('-fvisibility=hidden')
-  add_project_arguments('-fvisibility=hidden', language: 'cpp')
-endif
-
-if cxx.get_id() == 'msvc'
-  # Ignore several spurious warnings for things gstreamer does very commonly
-  # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
-  # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
-  # NOTE: Only add warnings here if you are sure they're spurious
-  test_cppflags = []
-  msvc_args = [
-      '/wd4018', # implicit signed/unsigned conversion
-      '/wd4146', # unary minus on unsigned (beware INT_MIN)
-      '/wd4244', # lossy type conversion (e.g. double -> int)
-      '/wd4305', # truncating type conversion (e.g. double -> float)
-  ]
-  add_project_arguments(msvc_args, language : 'cpp')
-  # Disable SAFESEH with MSVC for plugins and libs that use external deps that
-  # are built with MinGW
-  noseh_link_args = ['/SAFESEH:NO']
-else
-  test_cppflags = ['-Wno-non-virtual-dtor']
-  noseh_link_args = []
+aja_option = get_option('aja') \
+    .require(host_system == 'linux',
+             error_message: 'AJA plugin is currently only available on Linux')
+if aja_option.disabled()
+  subdir_done()
 endif
 
 common_flags = [
   '-DAJALinux=1',
   '-DAJA_LINUX=1',
 ]
-foreach cxxflag: test_cppflags
-  if cxx.has_argument(cxxflag)
-    common_flags += [ cxxflag ]
-  endif
-endforeach
-
-gst_dep = dependency('gstreamer-1.0', version : '>= 1.18', required : true)
-gstbase_dep = dependency('gstreamer-base-1.0', version : '>= 1.18', required : true)
-gstaudio_dep = dependency('gstreamer-audio-1.0', version : '>= 1.18', required : true)
-gstvideo_dep = dependency('gstreamer-video-1.0', version : '>= 1.18', required : true)
 
 thread_dep = dependency('threads')
 rt_dep = cxx.find_library('rt', required : false)
 
 aja_sdk_dir = get_option('aja-sdk-dir')
 if aja_sdk_dir == ''
-  ajantv2_dep = dependency('libajantv2')
-  aja_includedirs = []
-
+  ajantv2_dep = dependency('libajantv2', include_type: 'system',
+                           required: aja_option, allow_fallback: true)
   if not ajantv2_dep.found()
     subdir_done()
   endif
+  aja_includedirs = []
 else
   aja_includedirs = include_directories(
     f'@aja_sdk_dir@/ajalibraries',
     f'@aja_sdk_dir@/ajalibraries/ajantv2/includes',
     f'@aja_sdk_dir@/ajalibraries/ajantv2/src/lin',
+    is_system: true,
   )
 
-  message('Looking for AJA SDK in directory ' + aja_sdk_dir)
+  message(f'Looking for AJA SDK in @aja_sdk_dir@')
   if not cxx.has_header('ajabase/common/videotypes.h',
-                        include_directories : aja_includedirs,
-                       )
-    error('Cannot find AJA SDK')
+                        include_directories: aja_includedirs,
+                        required: aja_option)
+    subdir_done()
   endif
 
-
   ajantv2_lib = cxx.find_library('ajantv2',
     # If the header is found, this should also be
     required : true,
@@ -86,8 +43,7 @@ else
   )
   ajantv2_dep = declare_dependency(
     dependencies: ajantv2_lib,
-    include_directories: aja_includedirs,
-  )
+    include_directories: aja_includedirs)
 endif
 
 gstaja = library('gstaja',
@@ -99,14 +55,13 @@ gstaja = library('gstaja',
    'gstajasrcdemux.cpp',
    'gstajadeviceprovider.cpp',
   ],
-  cpp_args : [
-            '-DPACKAGE="gst-aja"',
-            '-DGST_PACKAGE_NAME="gstreamer-aja"',
-            '-DGST_PACKAGE_ORIGIN="https://github.com/centricular/gstreamer-aja"',
-            '-DVERSION="@0@"'.format(meson.project_version())] + common_flags,
+  override_options : ['cpp_std=c++11'],
+  cpp_args : gst_plugins_bad_args + common_flags,
+  include_directories : [configinc],
   link_args : noseh_link_args,
   dependencies : [gstvideo_dep, gstaudio_dep, gstbase_dep, gst_dep, ajantv2_dep, thread_dep, rt_dep],
   install : true,
   install_dir : plugins_install_dir,
 )
 
+plugins += [gstaja]
diff --git a/subprojects/gst-plugins-bad/sys/aja/meson_options.txt b/subprojects/gst-plugins-bad/sys/aja/meson_options.txt
deleted file mode 100644
index d03c4d5426..0000000000
--- a/subprojects/gst-plugins-bad/sys/aja/meson_options.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-option('aja-sdk-dir', type : 'string', value : '',
-  description : 'Directory with AJA SDK, e.g. ntv2sdklinux_16.0.0.4')
diff --git a/subprojects/gst-plugins-bad/sys/meson.build b/subprojects/gst-plugins-bad/sys/meson.build
index 8285f07fa5..64c5eccf68 100644
--- a/subprojects/gst-plugins-bad/sys/meson.build
+++ b/subprojects/gst-plugins-bad/sys/meson.build
@@ -1,3 +1,4 @@
+subdir('aja')
 subdir('amfcodec')
 subdir('androidmedia')
 subdir('applemedia')