diff options
Diffstat (limited to 'v4l2-apps/lib/libv4l/include/libv4l1.h')
| -rw-r--r-- | v4l2-apps/lib/libv4l/include/libv4l1.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/v4l2-apps/lib/libv4l/include/libv4l1.h b/v4l2-apps/lib/libv4l/include/libv4l1.h index 9036ae869..c878cc198 100644 --- a/v4l2-apps/lib/libv4l/include/libv4l1.h +++ b/v4l2-apps/lib/libv4l/include/libv4l1.h @@ -26,9 +26,15 @@ extern "C" { #include <stdio.h> #include <unistd.h> +#if __GNUC__ >= 4 +#define LIBV4L_PUBLIC __attribute__ ((visibility("default"))) +#else +#define LIBV4L_PUBLIC +#endif + /* Point this to a FILE opened for writing when you want to log error and status messages to a file, when NULL errors will get send to stderr */ -extern FILE *v4l1_log_file; +LIBV4L_PUBLIC extern FILE *v4l1_log_file; /* Just like your regular open/close/etc, except that when opening a v4l2 capture only device, full v4l1 emulation is done including emulating the @@ -51,14 +57,14 @@ extern FILE *v4l1_log_file; capture formats, like hw specific bayer compression methods). */ -int v4l1_open (const char *file, int oflag, ...); -int v4l1_close(int fd); -int v4l1_dup(int fd); -int v4l1_ioctl (int fd, unsigned long int request, ...); -ssize_t v4l1_read (int fd, void* buffer, size_t n); -void *v4l1_mmap(void *start, size_t length, int prot, int flags, int fd, +LIBV4L_PUBLIC int v4l1_open (const char *file, int oflag, ...); +LIBV4L_PUBLIC int v4l1_close(int fd); +LIBV4L_PUBLIC int v4l1_dup(int fd); +LIBV4L_PUBLIC int v4l1_ioctl (int fd, unsigned long int request, ...); +LIBV4L_PUBLIC ssize_t v4l1_read (int fd, void* buffer, size_t n); +LIBV4L_PUBLIC void *v4l1_mmap(void *start, size_t length, int prot, int flags, int fd, __off64_t offset); -int v4l1_munmap(void *_start, size_t length); +LIBV4L_PUBLIC int v4l1_munmap(void *_start, size_t length); #ifdef __cplusplus } |