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#ifndef CAMERA_H
#define CAMERA_H
/*
pygame - Python Game Library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "pygame.h"
#include "pgcompat.h"
#include "doc/camera_doc.h"
#if defined(__unix__)
#include <structmember.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h> /* low-level i/o */
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
/* on freebsd there is no asm/types */
#ifdef __linux__
#include <asm/types.h> /* for videodev2.h */
#include <linux/videodev2.h>
#endif
/* on openbsd and netbsd we need to include videoio.h */
#if defined(__OpenBSD__) || defined(__NetBSD__)
#include <sys/videoio.h>
#endif
#ifdef __FreeBSD__
#include <linux/videodev2.h>
#endif
#endif /* defined(__unix__) */
#if defined(__WIN32__)
#ifdef __MINGW32__
#undef WINVER
/** _WIN32_WINNT_WINBLUE sets minimum platform SDK to Windows 8.1. */
#define WINVER _WIN32_WINNT_WINBLUE
#endif
#include <mfapi.h>
#include <mfobjects.h>
#include <mfidl.h>
#include <mfreadwrite.h>
#include <combaseapi.h>
#include <mftransform.h>
#endif
/* some constants used which are not defined on non-v4l machines. */
#ifndef V4L2_PIX_FMT_RGB24
#define V4L2_PIX_FMT_RGB24 'RGB3'
#endif
#ifndef V4L2_PIX_FMT_RGB444
#define V4L2_PIX_FMT_RGB444 'R444'
#endif
#ifndef V4L2_PIX_FMT_YUYV
#define V4L2_PIX_FMT_YUYV 'YUYV'
#endif
#ifndef V4L2_PIX_FMT_XBGR32
#define V4L2_PIX_FMT_XBGR32 'XR24'
#endif
#define CLEAR(x) memset(&(x), 0, sizeof(x))
#define SAT(c) \
if (c & (~255)) { \
if (c < 0) \
c = 0; \
else \
c = 255; \
}
#define SAT2(c) ((c) & (~255) ? ((c) < 0 ? 0 : 255) : (c))
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
#define RGB_OUT 1
#define YUV_OUT 2
#define HSV_OUT 4
#define CAM_V4L \
1 /* deprecated. the incomplete support in pygame was removed */
#define CAM_V4L2 2
struct buffer {
void *start;
size_t length;
};
#if defined(__unix__)
typedef struct pgCameraObject {
PyObject_HEAD char *device_name;
int camera_type;
unsigned long pixelformat;
unsigned int color_out;
struct buffer *buffers;
unsigned int n_buffers;
int width;
int height;
int size;
int hflip;
int vflip;
int brightness;
int fd;
} pgCameraObject;
#else
/* generic definition.
*/
typedef struct pgCameraObject {
PyObject_HEAD char *device_name;
int camera_type;
unsigned long pixelformat;
unsigned int color_out;
struct buffer *buffers;
unsigned int n_buffers;
int width;
int height;
int size;
int hflip;
int vflip;
int brightness;
int fd;
} pgCameraObject;
#endif
/* internal functions for colorspace conversion */
void
colorspace(SDL_Surface *src, SDL_Surface *dst, int cspace);
void
rgb24_to_rgb(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
bgr32_to_rgb(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
rgb444_to_rgb(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
rgb_to_yuv(const void *src, void *dst, int length, unsigned long source,
SDL_PixelFormat *format);
void
rgb_to_hsv(const void *src, void *dst, int length, unsigned long source,
SDL_PixelFormat *format);
void
yuyv_to_rgb(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
yuyv_to_yuv(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
uyvy_to_rgb(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
uyvy_to_yuv(const void *src, void *dst, int length, SDL_PixelFormat *format);
void
sbggr8_to_rgb(const void *src, void *dst, int width, int height,
SDL_PixelFormat *format);
void
yuv420_to_rgb(const void *src, void *dst, int width, int height,
SDL_PixelFormat *format);
void
yuv420_to_yuv(const void *src, void *dst, int width, int height,
SDL_PixelFormat *format);
#if defined(__unix__)
/* internal functions specific to v4l2 */
char **
v4l2_list_cameras(int *num_devices);
int
v4l2_get_control(int fd, int id, int *value);
int
v4l2_set_control(int fd, int id, int value);
PyObject *
v4l2_read_raw(pgCameraObject *self);
int
v4l2_xioctl(int fd, int request, void *arg);
int
v4l2_process_image(pgCameraObject *self, const void *image, int buffer_size,
SDL_Surface *surf);
int
v4l2_query_buffer(pgCameraObject *self);
int
v4l2_read_frame(pgCameraObject *self, SDL_Surface *surf, int *errno_code);
int
v4l2_stop_capturing(pgCameraObject *self);
int
v4l2_start_capturing(pgCameraObject *self);
int
v4l2_uninit_device(pgCameraObject *self);
int
v4l2_init_mmap(pgCameraObject *self);
int
v4l2_init_device(pgCameraObject *self);
int
v4l2_close_device(pgCameraObject *self);
int
v4l2_open_device(pgCameraObject *self);
#endif
#endif /* !CAMERA_H */
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