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| 1 | +extends Control |
| 2 | + |
| 3 | +@onready var camera_display := $CameraDisplay |
| 4 | +@onready var camera_preview := $CameraDisplay/CameraPreview |
| 5 | +@onready var camera_list := $DrawerContainer/Drawer/DrawerContent/VBoxContainer/CameraList |
| 6 | +@onready var format_list := $DrawerContainer/Drawer/DrawerContent/VBoxContainer/FormatList |
| 7 | +@onready var start_or_stop_button := $DrawerContainer/Drawer/DrawerContent/VBoxContainer/ButtonContainer/StartOrStopButton |
| 8 | +@onready var reload_button := $DrawerContainer/Drawer/DrawerContent/VBoxContainer/ButtonContainer/ReloadButton |
| 9 | + |
| 10 | +var camera_feed: CameraFeed |
| 11 | + |
| 12 | +const defaultWebResolution: Dictionary = { |
| 13 | + "width": 640, |
| 14 | + "height": 480 |
| 15 | +} |
| 16 | + |
| 17 | +func _ready() -> void: |
| 18 | + _adjust_ui() |
| 19 | + _reload_camera_list() |
| 20 | + |
| 21 | +func _adjust_ui() -> void: |
| 22 | + camera_display.size = camera_display.get_parent_area_size() - Vector2.ONE * 40 |
| 23 | + camera_preview.custom_minimum_size = camera_display.size |
| 24 | + camera_preview.position = camera_display.size / 2 |
| 25 | + |
| 26 | +func _reload_camera_list() -> void: |
| 27 | + camera_list.clear() |
| 28 | + format_list.clear() |
| 29 | + |
| 30 | + var os_name := OS.get_name() |
| 31 | + # Request camera permission on mobile |
| 32 | + if os_name in ["Android", "iOS"]: |
| 33 | + var permissions = OS.get_granted_permissions() |
| 34 | + if not "CAMERA" in permissions: |
| 35 | + if not OS.request_permission("CAMERA"): |
| 36 | + print("CAMERA permission not granted") |
| 37 | + return |
| 38 | + |
| 39 | + if CameraServer.monitoring_feeds: |
| 40 | + CameraServer.monitoring_feeds = false |
| 41 | + await get_tree().process_frame |
| 42 | + CameraServer.monitoring_feeds = true |
| 43 | + await get_tree().process_frame |
| 44 | + # Wait for monitoring to be ready on web platform |
| 45 | + if os_name == "Web": |
| 46 | + while not CameraServer.monitoring_feeds: |
| 47 | + await get_tree().process_frame |
| 48 | + |
| 49 | +func _on_feeds_update() -> void: |
| 50 | + # Get available camera feeds |
| 51 | + var feeds = CameraServer.feeds() |
| 52 | + if feeds.is_empty(): |
| 53 | + camera_list.add_item("No cameras found") |
| 54 | + camera_list.disabled = true |
| 55 | + format_list.add_item("No formats available") |
| 56 | + format_list.disabled = true |
| 57 | + start_or_stop_button.disabled = true |
| 58 | + return |
| 59 | + |
| 60 | + camera_list.disabled = false |
| 61 | + for i in feeds.size(): |
| 62 | + var feed: CameraFeed = feeds[i] |
| 63 | + camera_list.add_item(feed.get_name()) |
| 64 | + |
| 65 | + # Auto-select first camera |
| 66 | + camera_list.selected = 0 |
| 67 | + _on_camera_list_item_selected(0) |
| 68 | + |
| 69 | +func _on_camera_list_item_selected(index: int) -> void: |
| 70 | + var camera_feeds := CameraServer.feeds() |
| 71 | + if index < 0 or index >= camera_feeds.size(): |
| 72 | + return |
| 73 | + |
| 74 | + # Stop previous camera if active |
| 75 | + if camera_feed and camera_feed.feed_is_active: |
| 76 | + camera_feed.feed_is_active = false |
| 77 | + |
| 78 | + # Get selected camera feed |
| 79 | + camera_feed = camera_feeds[index] |
| 80 | + |
| 81 | + # Update format list |
| 82 | + _update_format_list() |
| 83 | + |
| 84 | +func _update_format_list() -> void: |
| 85 | + format_list.clear() |
| 86 | + |
| 87 | + if not camera_feed: |
| 88 | + return |
| 89 | + |
| 90 | + var formats = camera_feed.get_formats() |
| 91 | + if formats.is_empty(): |
| 92 | + format_list.add_item("No formats available") |
| 93 | + format_list.disabled = true |
| 94 | + start_or_stop_button.disabled = true |
| 95 | + return |
| 96 | + |
| 97 | + format_list.disabled = false |
| 98 | + for format in formats: |
| 99 | + var resolution := str(format["width"]) + "x" + str(format["height"]) |
| 100 | + var item := "%s - %s" % [format["format"], resolution] |
| 101 | + if OS.get_name() == "Windows": |
| 102 | + item += " : %s / %s" % [format["frame_denominator"], format["frame_numerator"]] |
| 103 | + format_list.add_item(item) |
| 104 | + |
| 105 | + # Auto-select first format |
| 106 | + format_list.selected = 0 |
| 107 | + _on_format_list_item_selected(0) |
| 108 | + |
| 109 | +func _on_format_list_item_selected(index: int) -> void: |
| 110 | + if not camera_feed: |
| 111 | + return |
| 112 | + |
| 113 | + var formats := camera_feed.get_formats() |
| 114 | + if index < 0 or index >= formats.size(): |
| 115 | + return |
| 116 | + var os_name := OS.get_name() |
| 117 | + var parameters: Dictionary = defaultWebResolution if os_name == "Web" else {} |
| 118 | + camera_feed.set_format(index, parameters) |
| 119 | + _start_camera_feed() |
| 120 | + |
| 121 | +func _start_camera_feed() -> void: |
| 122 | + if not camera_feed: |
| 123 | + return |
| 124 | + |
| 125 | + if not camera_feed.frame_changed.is_connected(_on_frame_changed): |
| 126 | + camera_feed.frame_changed.connect(_on_frame_changed, ConnectFlags.CONNECT_ONE_SHOT | ConnectFlags.CONNECT_DEFERRED) |
| 127 | + # Start the feed |
| 128 | + camera_feed.feed_is_active = true |
| 129 | + |
| 130 | +func _on_frame_changed() -> void: |
| 131 | + var datatype := camera_feed.get_datatype() as CameraFeed.FeedDataType |
| 132 | + var preview_size := Vector2.ZERO |
| 133 | + var mat: ShaderMaterial = camera_preview.material |
| 134 | + var rgb_texture: CameraTexture = mat.get_shader_parameter("rgb_texture") |
| 135 | + var y_texture: CameraTexture = mat.get_shader_parameter("y_texture") |
| 136 | + var cbcr_texture: CameraTexture = mat.get_shader_parameter("cbcr_texture") |
| 137 | + rgb_texture.which_feed = CameraServer.FeedImage.FEED_RGBA_IMAGE |
| 138 | + y_texture.which_feed = CameraServer.FeedImage.FEED_Y_IMAGE |
| 139 | + cbcr_texture.which_feed = CameraServer.FeedImage.FEED_CBCR_IMAGE |
| 140 | + match datatype: |
| 141 | + CameraFeed.FeedDataType.FEED_RGB: |
| 142 | + rgb_texture.camera_feed_id = camera_feed.get_id() |
| 143 | + mat.set_shader_parameter("rgb_texture", rgb_texture) |
| 144 | + mat.set_shader_parameter("mode", 0) |
| 145 | + preview_size = rgb_texture.get_size() |
| 146 | + CameraFeed.FeedDataType.FEED_YCBCR_SEP: |
| 147 | + y_texture.camera_feed_id = camera_feed.get_id() |
| 148 | + cbcr_texture.camera_feed_id = camera_feed.get_id() |
| 149 | + mat.set_shader_parameter("y_texture", y_texture) |
| 150 | + mat.set_shader_parameter("cbcr_texture", cbcr_texture) |
| 151 | + mat.set_shader_parameter("mode", 1) |
| 152 | + preview_size = y_texture.get_size() |
| 153 | + _: |
| 154 | + print("YCbCr format not fully implemented yet") |
| 155 | + return |
| 156 | + var white_image := Image.create(int(preview_size.x), int(preview_size.y), false, Image.FORMAT_RGBA8) |
| 157 | + white_image.fill(Color.WHITE) |
| 158 | + camera_preview.texture = ImageTexture.create_from_image(white_image) |
| 159 | + var rot := camera_feed.feed_transform.get_rotation() |
| 160 | + var degree := roundi(rad_to_deg(rot)) |
| 161 | + camera_preview.rotation = rot |
| 162 | + camera_preview.custom_minimum_size.y = camera_display.size.y |
| 163 | + if degree % 180 == 0: |
| 164 | + camera_display.ratio = preview_size.x / preview_size.y |
| 165 | + else: |
| 166 | + camera_display.ratio = preview_size.y / preview_size.x |
| 167 | + start_or_stop_button.text = "Stop" |
| 168 | + |
| 169 | +func _on_start_or_stop_button_pressed(change_label: bool = true) -> void: |
| 170 | + if camera_feed and camera_feed.feed_is_active: |
| 171 | + camera_feed.feed_is_active = false |
| 172 | + camera_preview.texture = null |
| 173 | + camera_preview.rotation = 0 |
| 174 | + if change_label: |
| 175 | + start_or_stop_button.text = "Start" |
| 176 | + else: |
| 177 | + _start_camera_feed() |
| 178 | + if change_label: |
| 179 | + start_or_stop_button.text = "Stop" |
| 180 | + |
| 181 | +func _on_reload_button_pressed() -> void: |
| 182 | + _on_start_or_stop_button_pressed(false) |
| 183 | + _reload_camera_list() |
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