mirror of
https://github.com/libretro/RetroArch.git
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139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __CAMERA_DRIVER__H
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#define __CAMERA_DRIVER__H
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#include <stdint.h>
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#include <boolean.h>
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#include "../libretro.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum rarch_camera_ctl_state
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{
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RARCH_CAMERA_CTL_NONE = 0,
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RARCH_CAMERA_CTL_DESTROY,
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RARCH_CAMERA_CTL_DEINIT,
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RARCH_CAMERA_CTL_SET_OWN_DRIVER,
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RARCH_CAMERA_CTL_UNSET_OWN_DRIVER,
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RARCH_CAMERA_CTL_OWNS_DRIVER,
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RARCH_CAMERA_CTL_SET_ACTIVE,
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RARCH_CAMERA_CTL_UNSET_ACTIVE,
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RARCH_CAMERA_CTL_IS_ACTIVE
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};
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typedef struct camera_driver
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{
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/* FIXME: params for initialization - queries for resolution,
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* framerate, color format which might or might not be honored. */
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void *(*init)(const char *device, uint64_t buffer_types,
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unsigned width, unsigned height);
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void (*free)(void *data);
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bool (*start)(void *data);
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void (*stop)(void *data);
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/* Polls the camera driver.
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* Will call the appropriate callback if a new frame is ready.
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* Returns true if a new frame was handled. */
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bool (*poll)(void *data,
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retro_camera_frame_raw_framebuffer_t frame_raw_cb,
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retro_camera_frame_opengl_texture_t frame_gl_cb);
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const char *ident;
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} camera_driver_t;
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extern camera_driver_t camera_v4l2;
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extern camera_driver_t camera_android;
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extern camera_driver_t camera_rwebcam;
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extern camera_driver_t camera_avfoundation;
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extern camera_driver_t camera_null;
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/**
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* driver_camera_start:
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*
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* Starts camera driver.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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bool driver_camera_start(void);
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/**
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* driver_camera_stop:
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*
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* Stops camera driver.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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void driver_camera_stop(void);
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/**
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* driver_camera_poll:
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*
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* Call camera driver's poll function.
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* Used by RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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void driver_camera_poll(void);
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/**
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* config_get_camera_driver_options:
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*
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* Get an enumerated list of all camera driver names,
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* separated by '|'.
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*
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* Returns: string listing of all camera driver names,
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* separated by '|'.
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**/
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const char* config_get_camera_driver_options(void);
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/**
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* camera_driver_find_handle:
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* @index : index of driver to get handle to.
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*
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* Returns: handle to camera driver at index. Can be NULL
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* if nothing found.
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**/
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const void *camera_driver_find_handle(int index);
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/**
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* camera_driver_find_ident:
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* @index : index of driver to get handle to.
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*
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* Returns: Human-readable identifier of camera driver at index. Can be NULL
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* if nothing found.
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**/
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const char *camera_driver_find_ident(int index);
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void find_camera_driver(void);
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void init_camera(void);
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bool camera_driver_ctl(enum rarch_camera_ctl_state state, void *data);
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#ifdef __cplusplus
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}
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#endif
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#endif
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