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feat(csi): add API to expose internal backup_buffer

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This commit is contained in:
wanlei
2024-04-12 14:30:21 +08:00
parent cf055a625b
commit af86df7f02
6 changed files with 120 additions and 1 deletions
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19
components/esp_driver_cam/esp_cam_ctlr.c
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@@ -64,6 +64,25 @@ esp_err_t esp_cam_ctlr_register_event_callbacks(esp_cam_ctlr_handle_t handle, co
return handle->register_event_callbacks(handle, cbs, user_data);
}
esp_err_t esp_cam_ctlr_get_frame_buffer(esp_cam_ctlr_handle_t handle, uint32_t fb_num, const void **fb0, ...)
{
ESP_RETURN_ON_FALSE(handle, ESP_ERR_INVALID_ARG, TAG, "invalid argument: null handle");
ESP_RETURN_ON_FALSE(handle->get_internal_buffer, ESP_ERR_NOT_SUPPORTED, TAG, "get buffer function not supported");
va_list args;
va_start(args, fb0);
return handle->get_internal_buffer(handle, fb_num, fb0, args);
va_end(args);
}
esp_err_t esp_cam_ctlr_get_frame_buffer_len(esp_cam_ctlr_handle_t handle, size_t *ret_fb_len)
{
ESP_RETURN_ON_FALSE(handle && ret_fb_len, ESP_ERR_INVALID_ARG, TAG, "invalid argument: null handle");
ESP_RETURN_ON_FALSE(handle->get_buffer_len, ESP_ERR_NOT_SUPPORTED, TAG, "get buffer length function not supported");
return handle->get_buffer_len(handle, ret_fb_len);
}
esp_err_t esp_cam_del_ctlr(esp_cam_ctlr_handle_t handle)
{
ESP_RETURN_ON_FALSE(handle, ESP_ERR_INVALID_ARG, TAG, "invalid argument: null pointer");