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camera: Emscripten support!

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This also adds code to deal with waiting for the user to approve camera
access, reworks testcameraminimal to use main callbacks, etc.
This commit is contained in:
Ryan C. Gordon
2023-12-22 01:23:49 -05:00
parent 182f707284
commit 67708f9110
14 changed files with 559 additions and 145 deletions
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4
include/SDL3/SDL_events.h
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@@ -208,6 +208,8 @@ typedef enum
/* Camera hotplug events */
SDL_EVENT_CAMERA_DEVICE_ADDED = 0x1400, /**< A new camera device is available */
SDL_EVENT_CAMERA_DEVICE_REMOVED, /**< A camera device has been removed. */
SDL_EVENT_CAMERA_DEVICE_APPROVED, /**< A camera device has been approved for use by the user. */
SDL_EVENT_CAMERA_DEVICE_DENIED, /**< A camera device has been denied for use by the user. */
/* Render events */
SDL_EVENT_RENDER_TARGETS_RESET = 0x2000, /**< The render targets have been reset and their contents need to be updated */
@@ -535,7 +537,7 @@ typedef struct SDL_AudioDeviceEvent
*/
typedef struct SDL_CameraDeviceEvent
{
Uint32 type; /**< ::SDL_EVENT_CAMERA_DEVICE_ADDED, or ::SDL_EVENT_CAMERA_DEVICE_REMOVED */
Uint32 type; /**< ::SDL_EVENT_CAMERA_DEVICE_ADDED, ::SDL_EVENT_CAMERA_DEVICE_REMOVED, ::SDL_EVENT_CAMERA_DEVICE_APPROVED, ::SDL_EVENT_CAMERA_DEVICE_DENIED */
Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */
SDL_CameraDeviceID which; /**< SDL_CameraDeviceID for the device being added or removed or changing */
Uint8 padding1;