diff options
Diffstat (limited to 'v4l2-apps/libv4l')
21 files changed, 237 insertions, 152 deletions
diff --git a/v4l2-apps/libv4l/ChangeLog b/v4l2-apps/libv4l/ChangeLog index 3f709a632..08b221c2a 100644 --- a/v4l2-apps/libv4l/ChangeLog +++ b/v4l2-apps/libv4l/ChangeLog @@ -1,7 +1,11 @@ -libv4l-0.6 +libv4l-0.5.99 ---------- * Link libv4lconvert with -lm for powf by Gregor Jasny * Fix black screen on devices with hardware gamma control +* Fix crash with devices on which we do not emulate fake controls +* Add a patch by Hans Petter Selasky <hselasky@freebsd.org>, which should + lead to allowing use of libv4l (and the Linux webcam drivers ported + to userspace usb drivers) on FreeBSd, this is a work in progress libv4l-0.5.98 ------------- diff --git a/v4l2-apps/libv4l/Makefile b/v4l2-apps/libv4l/Makefile index ef86fd130..374cfab7b 100644 --- a/v4l2-apps/libv4l/Makefile +++ b/v4l2-apps/libv4l/Makefile @@ -1,5 +1,5 @@ LIB_RELEASE=0 -V4L2_LIB_VERSION=$(LIB_RELEASE).5.98 +V4L2_LIB_VERSION=$(LIB_RELEASE).5.99 all install: $(MAKE) -C libv4lconvert V4L2_LIB_VERSION=$(V4L2_LIB_VERSION) $@ diff --git a/v4l2-apps/libv4l/include/libv4l1.h b/v4l2-apps/libv4l/include/libv4l1.h index c878cc198..4ddf8efdb 100644 --- a/v4l2-apps/libv4l/include/libv4l1.h +++ b/v4l2-apps/libv4l/include/libv4l1.h @@ -63,7 +63,7 @@ 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); + int64_t offset); LIBV4L_PUBLIC int v4l1_munmap(void *_start, size_t length); #ifdef __cplusplus diff --git a/v4l2-apps/libv4l/include/libv4l2.h b/v4l2-apps/libv4l/include/libv4l2.h index b2451dced..0403a29dd 100644 --- a/v4l2-apps/libv4l/include/libv4l2.h +++ b/v4l2-apps/libv4l/include/libv4l2.h @@ -58,7 +58,7 @@ LIBV4L_PUBLIC int v4l2_dup(int fd); LIBV4L_PUBLIC int v4l2_ioctl (int fd, unsigned long int request, ...); LIBV4L_PUBLIC ssize_t v4l2_read (int fd, void* buffer, size_t n); LIBV4L_PUBLIC void *v4l2_mmap(void *start, size_t length, int prot, int flags, int fd, - __off64_t offset); + int64_t offset); LIBV4L_PUBLIC int v4l2_munmap(void *_start, size_t length); diff --git a/v4l2-apps/libv4l/include/libv4lconvert.h b/v4l2-apps/libv4l/include/libv4lconvert.h index 7901b35dc..b274c938b 100644 --- a/v4l2-apps/libv4l/include/libv4lconvert.h +++ b/v4l2-apps/libv4l/include/libv4lconvert.h @@ -21,10 +21,21 @@ /* These headers are not needed by us, but by linux/videodev2.h, which is broken on some systems and doesn't include them itself :( */ + +#ifdef linux #include <sys/time.h> #include <linux/types.h> #include <linux/ioctl.h> +#endif + +#ifdef __FreeBSD__ +#include <sys/time.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#endif + /* end broken header workaround includes */ + #include <linux/videodev2.h> #ifdef __cplusplus diff --git a/v4l2-apps/libv4l/libv4l1/libv4l1-priv.h b/v4l2-apps/libv4l/libv4l1/libv4l1-priv.h index 651599255..370686b3a 100644 --- a/v4l2-apps/libv4l/libv4l1/libv4l1-priv.h +++ b/v4l2-apps/libv4l/libv4l1/libv4l1-priv.h @@ -22,14 +22,7 @@ #include <stdio.h> #include <pthread.h> -/* On 32 bits archs we always use mmap2, on 64 bits archs there is no mmap2 */ -#ifdef __NR_mmap2 -#define SYS_mmap2 __NR_mmap2 -#define MMAP2_PAGE_SHIFT 12 -#else -#define SYS_mmap2 SYS_mmap -#define MMAP2_PAGE_SHIFT 0 -#endif +#include "../libv4lconvert/libv4lsyscall-priv.h" #define V4L1_MAX_DEVICES 16 #define V4L1_NO_FRAMES 4 diff --git a/v4l2-apps/libv4l/libv4l1/libv4l1.c b/v4l2-apps/libv4l/libv4l1/libv4l1.c index a7de0af8e..b676d69ed 100644 --- a/v4l2-apps/libv4l/libv4l1/libv4l1.c +++ b/v4l2-apps/libv4l/libv4l1/libv4l1.c @@ -44,18 +44,12 @@ #include <stdarg.h> #include <stdio.h> #include <stdlib.h> -#include <syscall.h> #include <fcntl.h> #include <string.h> #include <unistd.h> #include <sys/types.h> #include <sys/mman.h> -/* These headers are not needed by us, but by linux/videodev2.h, - which is broken on some systems and doesn't include them itself :( */ -#include <sys/time.h> -#include <asm/types.h> -#include <linux/ioctl.h> -/* end broken header workaround includes */ +#include "../libv4lconvert/libv4lsyscall-priv.h" #include <linux/videodev.h> #include <linux/videodev2.h> #include <libv4l2.h> @@ -225,14 +219,14 @@ static void v4l1_find_min_and_max_size(int index, struct v4l2_format *fmt2) for (i = 0; ; i++) { fmtdesc2.index = i; - if (syscall(SYS_ioctl, devices[index].fd, VIDIOC_ENUM_FMT, &fmtdesc2)) + if (SYS_IOCTL(devices[index].fd, VIDIOC_ENUM_FMT, &fmtdesc2)) break; fmt2->fmt.pix.pixelformat = fmtdesc2.pixelformat; fmt2->fmt.pix.width = 48; fmt2->fmt.pix.height = 32; - if (syscall(SYS_ioctl, devices[index].fd, VIDIOC_TRY_FMT, fmt2) == 0) { + if (SYS_IOCTL(devices[index].fd, VIDIOC_TRY_FMT, fmt2) == 0) { if (fmt2->fmt.pix.width < devices[index].min_width) devices[index].min_width = fmt2->fmt.pix.width; if (fmt2->fmt.pix.height < devices[index].min_height) @@ -243,7 +237,7 @@ static void v4l1_find_min_and_max_size(int index, struct v4l2_format *fmt2) fmt2->fmt.pix.width = 100000; fmt2->fmt.pix.height = 100000; - if (syscall(SYS_ioctl, devices[index].fd, VIDIOC_TRY_FMT, fmt2) == 0) { + if (SYS_IOCTL(devices[index].fd, VIDIOC_TRY_FMT, fmt2) == 0) { if (fmt2->fmt.pix.width > devices[index].max_width) devices[index].max_width = fmt2->fmt.pix.width; if (fmt2->fmt.pix.height > devices[index].max_height) @@ -280,11 +274,12 @@ int v4l1_open (const char *file, int oflag, ...) va_start (ap, oflag); mode = va_arg (ap, mode_t); - fd = syscall(SYS_open, file, oflag, mode); + fd = SYS_OPEN(file, oflag, mode); va_end(ap); } else - fd = syscall(SYS_open, file, oflag); + fd = SYS_OPEN(file, oflag, 0); + /* end of original open code */ if (fd == -1 || !v4l_device) @@ -292,7 +287,7 @@ int v4l1_open (const char *file, int oflag, ...) /* check that this is an v4l2 device, no need to emulate v4l1 on a v4l1 device */ - if (syscall(SYS_ioctl, fd, VIDIOC_QUERYCAP, &cap2)) + if (SYS_IOCTL(fd, VIDIOC_QUERYCAP, &cap2)) return fd; /* IMPROVEME */ @@ -314,7 +309,7 @@ int v4l1_open (const char *file, int oflag, ...) emulation for us */ if (v4l2_fd_open(fd, V4L2_ENABLE_ENUM_FMT_EMULATION) == -1) { int saved_err = errno; - syscall(SYS_close, fd); + SYS_CLOSE(fd); errno = saved_err; return -1; } @@ -323,7 +318,7 @@ int v4l1_open (const char *file, int oflag, ...) fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; if (v4l2_ioctl(fd, VIDIOC_G_FMT, &fmt2)) { int saved_err = errno; - syscall(SYS_close, fd); + SYS_CLOSE(fd); errno = saved_err; return -1; } @@ -400,7 +395,7 @@ int v4l1_close(int fd) { int index, result; if ((index = v4l1_get_index(fd)) == -1) - return syscall(SYS_close, fd); + return SYS_CLOSE(fd); /* Abuse stream_lock to stop 2 closes from racing and trying to free the resources twice */ @@ -418,7 +413,7 @@ int v4l1_close(int fd) { V4L1_LOG("v4l1 capture buffer still mapped: %d times on close()\n", devices[index].v4l1_frame_buf_map_count); else - syscall(SYS_munmap, devices[index].v4l1_frame_pointer, + SYS_MUNMAP(devices[index].v4l1_frame_pointer, V4L1_NO_FRAMES * V4L1_FRAME_BUF_SIZE); devices[index].v4l1_frame_pointer = MAP_FAILED; } @@ -447,7 +442,6 @@ int v4l1_dup(int fd) return v4l2_dup(fd); } - int v4l1_ioctl (int fd, unsigned long int request, ...) { void *arg; @@ -459,7 +453,7 @@ int v4l1_ioctl (int fd, unsigned long int request, ...) va_end (ap); if ((index = v4l1_get_index(fd)) == -1) - return syscall(SYS_ioctl, fd, request, arg); + return SYS_IOCTL(fd, request, arg); /* Appearantly the kernel and / or glibc ignore the 32 most significant bits when long = 64 bits, and some applications pass an int holding the req to @@ -486,7 +480,7 @@ int v4l1_ioctl (int fd, unsigned long int request, ...) { struct video_capability *cap = arg; - result = syscall(SYS_ioctl, fd, request, arg); + result = SYS_IOCTL(fd, request, arg); /* override kernel v4l1 compat min / max size with our own more accurate values */ @@ -563,7 +557,7 @@ int v4l1_ioctl (int fd, unsigned long int request, ...) case VIDIOCGWIN: devices[index].flags |= V4L1_PIX_SIZE_TOUCHED; - result = syscall(SYS_ioctl, fd, request, arg); + result = SYS_IOCTL(fd, request, arg); break; case VIDIOCGCHAN: @@ -573,7 +567,7 @@ int v4l1_ioctl (int fd, unsigned long int request, ...) if ((devices[index].flags & V4L1_SUPPORTS_ENUMINPUT) && (devices[index].flags & V4L1_SUPPORTS_ENUMSTD)) { - result = syscall(SYS_ioctl, fd, request, arg); + result = SYS_IOCTL(fd, request, arg); break; } @@ -615,7 +609,7 @@ int v4l1_ioctl (int fd, unsigned long int request, ...) struct video_channel *chan = arg; if ((devices[index].flags & V4L1_SUPPORTS_ENUMINPUT) && (devices[index].flags & V4L1_SUPPORTS_ENUMSTD)) { - result = syscall(SYS_ioctl, fd, request, arg); + result = SYS_IOCTL(fd, request, arg); break; } /* In case of no ENUMSTD support, ignore the norm member of the @@ -651,7 +645,7 @@ int v4l1_ioctl (int fd, unsigned long int request, ...) } if (devices[index].v4l1_frame_pointer == MAP_FAILED) { - devices[index].v4l1_frame_pointer = (void *)syscall(SYS_mmap2, NULL, + devices[index].v4l1_frame_pointer = (void *)SYS_MMAP(NULL, (size_t)mbuf->size, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); @@ -748,7 +742,7 @@ ssize_t v4l1_read(int fd, void* buffer, size_t n) ssize_t result; if ((index = v4l1_get_index(fd)) == -1) - return syscall(SYS_read, fd, buffer, n); + return SYS_READ(fd, buffer, n); pthread_mutex_lock(&devices[index].stream_lock); result = v4l2_read(fd, buffer, n); @@ -759,7 +753,7 @@ 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, - __off64_t offset) + int64_t offset) { int index; void *result; diff --git a/v4l2-apps/libv4l/libv4l1/log.c b/v4l2-apps/libv4l/libv4l1/log.c index 9ff0cea46..fd095817f 100644 --- a/v4l2-apps/libv4l/libv4l1/log.c +++ b/v4l2-apps/libv4l/libv4l1/log.c @@ -18,12 +18,7 @@ #include <stdio.h> #include <stdlib.h> -#include <linux/ioctl.h> -/* These headers are not needed by us, but by linux/videodev2.h, - which is broken on some systems and doesn't include them itself :( */ -#include <sys/time.h> -#include <asm/types.h> -/* end broken header workaround includes */ +#include "../libv4lconvert/libv4lsyscall-priv.h" #include <linux/videodev.h> #include "libv4l1-priv.h" diff --git a/v4l2-apps/libv4l/libv4l1/v4l1compat.c b/v4l2-apps/libv4l/libv4l1/v4l1compat.c index e4293d2f9..704ec22dd 100644 --- a/v4l2-apps/libv4l/libv4l1/v4l1compat.c +++ b/v4l2-apps/libv4l/libv4l1/v4l1compat.c @@ -25,6 +25,7 @@ #include <stdarg.h> #include <fcntl.h> #include <libv4l1.h> +#include "../libv4lconvert/libv4lsyscall-priv.h" /* for __off_t */ #include <sys/ioctl.h> #include <sys/mman.h> @@ -61,6 +62,7 @@ LIBV4L_PUBLIC int open (const char *file, int oflag, ...) return fd; } +#ifdef linux LIBV4L_PUBLIC int open64 (const char *file, int oflag, ...) { int fd; @@ -81,6 +83,7 @@ LIBV4L_PUBLIC int open64 (const char *file, int oflag, ...) return fd; } +#endif LIBV4L_PUBLIC int close(int fd) { return v4l1_close(fd); @@ -114,11 +117,13 @@ LIBV4L_PUBLIC void *mmap(void *start, size_t length, int prot, int flags, int fd return v4l1_mmap(start, length, prot, flags, fd, offset); } +#ifdef linux LIBV4L_PUBLIC void *mmap64(void *start, size_t length, int prot, int flags, int fd, __off64_t offset) { return v4l1_mmap(start, length, prot, flags, fd, offset); } +#endif LIBV4L_PUBLIC int munmap(void *start, size_t length) { diff --git a/v4l2-apps/libv4l/libv4l2/libv4l2-priv.h b/v4l2-apps/libv4l/libv4l2/libv4l2-priv.h index 8724832e1..0bfd53e2a 100644 --- a/v4l2-apps/libv4l/libv4l2/libv4l2-priv.h +++ b/v4l2-apps/libv4l/libv4l2/libv4l2-priv.h @@ -23,14 +23,7 @@ #include <pthread.h> #include <libv4lconvert.h> /* includes videodev2.h for us */ -/* On 32 bits archs we always use mmap2, on 64 bits archs there is no mmap2 */ -#ifdef __NR_mmap2 -#define SYS_mmap2 __NR_mmap2 -#define MMAP2_PAGE_SHIFT 12 -#else -#define SYS_mmap2 SYS_mmap -#define MMAP2_PAGE_SHIFT 0 -#endif +#include "../libv4lconvert/libv4lsyscall-priv.h" #define V4L2_MAX_DEVICES 16 /* Warning when making this larger the frame_queued and frame_mapped members of diff --git a/v4l2-apps/libv4l/libv4l2/libv4l2.c b/v4l2-apps/libv4l/libv4l2/libv4l2.c index 382dc405b..a12b41c2c 100644 --- a/v4l2-apps/libv4l/libv4l2/libv4l2.c +++ b/v4l2-apps/libv4l/libv4l2/libv4l2.c @@ -59,7 +59,6 @@ #include <stdarg.h> #include <stdio.h> #include <stdlib.h> -#include <syscall.h> #include <fcntl.h> #include <string.h> #include <unistd.h> @@ -100,7 +99,7 @@ static int v4l2_request_read_buffers(int index) devices[index].nreadbuffers; req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; req.memory = V4L2_MEMORY_MMAP; - if ((result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_REQBUFS, &req)) < 0){ + if ((result = SYS_IOCTL(devices[index].fd, VIDIOC_REQBUFS, &req)) < 0){ int saved_err = errno; V4L2_LOG_ERR("requesting %u buffers: %s\n", req.count, strerror(errno)); errno = saved_err; @@ -127,7 +126,7 @@ static void v4l2_unrequest_read_buffers(int index) req.count = 0; req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; req.memory = V4L2_MEMORY_MMAP; - if(syscall(SYS_ioctl, devices[index].fd, VIDIOC_REQBUFS, &req) < 0) + if(SYS_IOCTL(devices[index].fd, VIDIOC_REQBUFS, &req) < 0) return; devices[index].no_frames = MIN(req.count, V4L2_MAX_NO_FRAMES); @@ -148,7 +147,7 @@ static int v4l2_map_buffers(int index) buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; buf.memory = V4L2_MEMORY_MMAP; buf.index = i; - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_QUERYBUF, &buf); + result = SYS_IOCTL(devices[index].fd, VIDIOC_QUERYBUF, &buf); if (result) { int saved_err = errno; V4L2_LOG_ERR("querying buffer %u: %s\n", i, strerror(errno)); @@ -156,9 +155,9 @@ static int v4l2_map_buffers(int index) break; } - devices[index].frame_pointers[i] = (void *)syscall(SYS_mmap2, NULL, + devices[index].frame_pointers[i] = (void *)SYS_MMAP(NULL, (size_t)buf.length, PROT_READ|PROT_WRITE, MAP_SHARED, devices[index].fd, - (__off_t)(buf.m.offset >> MMAP2_PAGE_SHIFT)); + buf.m.offset); if (devices[index].frame_pointers[i] == MAP_FAILED) { int saved_err = errno; V4L2_LOG_ERR("mmapping buffer %u: %s\n", i, strerror(errno)); @@ -182,7 +181,7 @@ static void v4l2_unmap_buffers(int index) /* unmap the buffers */ for (i = 0; i < devices[index].no_frames; i++) { if (devices[index].frame_pointers[i] != MAP_FAILED) { - syscall(SYS_munmap, devices[index].frame_pointers[i], + SYS_MUNMAP(devices[index].frame_pointers[i], devices[index].frame_sizes[i]); devices[index].frame_pointers[i] = MAP_FAILED; V4L2_LOG("unmapped buffer %u\n", i); @@ -196,7 +195,7 @@ static int v4l2_streamon(int index) enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; if (!(devices[index].flags & V4L2_STREAMON)) { - if ((result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_STREAMON, + if ((result = SYS_IOCTL(devices[index].fd, VIDIOC_STREAMON, &type))) { int saved_err = errno; V4L2_LOG_ERR("turning on stream: %s\n", strerror(errno)); @@ -215,7 +214,7 @@ static int v4l2_streamoff(int index) enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; if (devices[index].flags & V4L2_STREAMON) { - if ((result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_STREAMOFF, + if ((result = SYS_IOCTL(devices[index].fd, VIDIOC_STREAMOFF, &type))) { int saved_err = errno; V4L2_LOG_ERR("turning off stream: %s\n", strerror(errno)); @@ -243,7 +242,7 @@ static int v4l2_queue_read_buffer(int index, int buffer_index) buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; buf.memory = V4L2_MEMORY_MMAP; buf.index = buffer_index; - if ((result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_QBUF, &buf))) { + if ((result = SYS_IOCTL(devices[index].fd, VIDIOC_QBUF, &buf))) { int saved_err = errno; V4L2_LOG_ERR("queuing buf %d: %s\n", buffer_index, strerror(errno)); errno = saved_err; @@ -265,7 +264,7 @@ static int v4l2_dequeue_and_convert(int index, struct v4l2_buffer *buf, return result; do { - if ((result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_DQBUF, buf))) { + if ((result = SYS_IOCTL(devices[index].fd, VIDIOC_DQBUF, buf))) { if (errno != EAGAIN) { int saved_err = errno; V4L2_LOG_ERR("dequeuing buf: %s\n", strerror(errno)); @@ -386,7 +385,7 @@ static int v4l2_buffers_mapped(int index) buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; buf.memory = V4L2_MEMORY_MMAP; buf.index = i; - if (syscall(SYS_ioctl, devices[index].fd, VIDIOC_QUERYBUF, &buf)) { + if (SYS_IOCTL(devices[index].fd, VIDIOC_QUERYBUF, &buf)) { int saved_err = errno; V4L2_LOG_ERR("querying buffer %u: %s\n", i, strerror(errno)); errno = saved_err; @@ -422,12 +421,12 @@ int v4l2_open (const char *file, int oflag, ...) va_start (ap, oflag); mode = va_arg (ap, mode_t); - fd = syscall(SYS_open, file, oflag, mode); + fd = SYS_OPEN(file, oflag, mode); va_end(ap); } else - fd = syscall(SYS_open, file, oflag); + fd = SYS_OPEN(file, oflag, 0); /* end of original open code */ if (fd == -1) @@ -435,7 +434,7 @@ int v4l2_open (const char *file, int oflag, ...) if (v4l2_fd_open(fd, 0) == -1) { int saved_err = errno; - syscall(SYS_close, fd); + SYS_CLOSE(fd); errno = saved_err; return -1; } @@ -457,7 +456,7 @@ int v4l2_fd_open(int fd, int v4l2_flags) v4l2_log_file = fopen(lfname, "w"); /* check that this is an v4l2 device */ - if (syscall(SYS_ioctl, fd, VIDIOC_QUERYCAP, &cap)) { + if (SYS_IOCTL(fd, VIDIOC_QUERYCAP, &cap)) { int saved_err = errno; V4L2_LOG_ERR("getting capabilities: %s\n", strerror(errno)); errno = saved_err; @@ -472,7 +471,7 @@ int v4l2_fd_open(int fd, int v4l2_flags) /* Get current cam format */ fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - if (syscall(SYS_ioctl, fd, VIDIOC_G_FMT, &fmt)) { + if (SYS_IOCTL(fd, VIDIOC_G_FMT, &fmt)) { int saved_err = errno; V4L2_LOG_ERR("getting pixformat: %s\n", strerror(errno)); errno = saved_err; @@ -553,7 +552,7 @@ int v4l2_close(int fd) int index, result; if ((index = v4l2_get_index(fd)) == -1) - return syscall(SYS_close, fd); + return SYS_CLOSE(fd); /* Abuse stream_lock to stop 2 closes from racing and trying to free the resources twice */ @@ -571,7 +570,7 @@ int v4l2_close(int fd) if (v4l2_buffers_mapped(index)) V4L2_LOG_WARN("v4l2 mmap buffers still mapped on close()\n"); else - syscall(SYS_munmap, devices[index].convert_mmap_buf, + SYS_MUNMAP(devices[index].convert_mmap_buf, devices[index].no_frames * V4L2_FRAME_BUF_SIZE); devices[index].convert_mmap_buf = MAP_FAILED; } @@ -585,7 +584,7 @@ int v4l2_close(int fd) /* Since we've marked the fd as no longer used, and freed the resources, redo the close in case it was interrupted */ do { - result = syscall(SYS_close, fd); + result = SYS_CLOSE(fd); } while (result == -1 && errno == EINTR); V4L2_LOG("close: %d\n", fd); @@ -622,7 +621,7 @@ static int v4l2_check_buffer_change_ok(int index) /* We may change from convert to non conversion mode and v4l2_unrequest_read_buffers may change the no_frames, so free the convert mmap buffer */ - syscall(SYS_munmap, devices[index].convert_mmap_buf, + SYS_MUNMAP(devices[index].convert_mmap_buf, devices[index].no_frames * V4L2_FRAME_BUF_SIZE); devices[index].convert_mmap_buf = MAP_FAILED; @@ -676,7 +675,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) va_end (ap); if ((index = v4l2_get_index(fd)) == -1) - return syscall(SYS_ioctl, fd, request, arg); + return SYS_IOCTL(fd, request, arg); /* Appearantly the kernel and / or glibc ignore the 32 most significant bits when long = 64 bits, and some applications pass an int holding the req to @@ -740,7 +739,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) } if (!is_capture_request) { - result = syscall(SYS_ioctl, fd, request, arg); + result = SYS_IOCTL(fd, request, arg); saved_err = errno; v4l2_log_ioctl(request, arg, result); errno = saved_err; @@ -787,7 +786,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) { struct v4l2_capability *cap = arg; - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_QUERYCAP, cap); + result = SYS_IOCTL(devices[index].fd, VIDIOC_QUERYCAP, cap); if (result == 0) /* We always support read() as we fake it using mmap mode */ cap->capabilities |= V4L2_CAP_READWRITE; @@ -838,7 +837,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) } if (devices[index].flags & V4L2_DISABLE_CONVERSION) { - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_TRY_FMT, + result = SYS_IOCTL(devices[index].fd, VIDIOC_TRY_FMT, dest_fmt); src_fmt = *dest_fmt; } else { @@ -878,7 +877,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) break; req_pix_fmt = src_fmt.fmt.pix; - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_S_FMT, &src_fmt); + result = SYS_IOCTL(devices[index].fd, VIDIOC_S_FMT, &src_fmt); if (result) { saved_err = errno; V4L2_LOG_ERR("setting pixformat: %s\n", strerror(errno)); @@ -928,7 +927,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) if (req->count > V4L2_MAX_NO_FRAMES) req->count = V4L2_MAX_NO_FRAMES; - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_REQBUFS, req); + result = SYS_IOCTL(devices[index].fd, VIDIOC_REQBUFS, req); if (result < 0) break; result = 0; /* some drivers return the number of buffers on success */ @@ -948,7 +947,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) /* Do a real query even when converting to let the driver fill in things like buf->field */ - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_QUERYBUF, buf); + result = SYS_IOCTL(devices[index].fd, VIDIOC_QUERYBUF, buf); if (result || !v4l2_needs_conversion(index)) break; @@ -971,7 +970,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) if ((result = v4l2_map_buffers(index))) break; - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_QBUF, arg); + result = SYS_IOCTL(devices[index].fd, VIDIOC_QBUF, arg); break; case VIDIOC_DQBUF: @@ -983,7 +982,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) break; if (!v4l2_needs_conversion(index)) { - result = syscall(SYS_ioctl, devices[index].fd, VIDIOC_DQBUF, buf); + result = SYS_IOCTL(devices[index].fd, VIDIOC_DQBUF, buf); if (result) { int saved_err = errno; V4L2_LOG_ERR("dequeuing buf: %s\n", strerror(errno)); @@ -996,7 +995,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) but we need the buffer _now_ to write our converted data to it! */ if (devices[index].convert_mmap_buf == MAP_FAILED) { - devices[index].convert_mmap_buf = (void *)syscall(SYS_mmap2, NULL, + devices[index].convert_mmap_buf = (void *)SYS_MMAP(NULL, (size_t)( devices[index].no_frames * V4L2_FRAME_BUF_SIZE), @@ -1041,7 +1040,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...) break; default: - result = syscall(SYS_ioctl, fd, request, arg); + result = SYS_IOCTL(fd, request, arg); } if (stream_needs_locking) @@ -1062,7 +1061,7 @@ ssize_t v4l2_read (int fd, void* dest, size_t n) struct v4l2_buffer buf; if ((index = v4l2_get_index(fd)) == -1) - return syscall(SYS_read, fd, dest, n); + return SYS_READ(fd, dest, n); pthread_mutex_lock(&devices[index].stream_lock); @@ -1070,7 +1069,7 @@ ssize_t v4l2_read (int fd, void* dest, size_t n) it */ if ((devices[index].flags & V4L2_SUPPORTS_READ) && !v4l2_needs_conversion(index)) { - result = syscall(SYS_read, fd, dest, n); + result = SYS_READ(fd, dest, n); goto leave; } @@ -1099,7 +1098,7 @@ leave: } void *v4l2_mmap(void *start, size_t length, int prot, int flags, int fd, - __off64_t offset) + int64_t offset) { int index; unsigned int buffer_index; @@ -1119,8 +1118,7 @@ void *v4l2_mmap(void *start, size_t length, int prot, int flags, int fd, return MAP_FAILED; } - return (void *)syscall(SYS_mmap2, start, length, prot, flags, fd, - (__off_t)(offset >> MMAP2_PAGE_SHIFT)); + return (void *)SYS_MMAP(start, length, prot, flags, fd, offset); } pthread_mutex_lock(&devices[index].stream_lock); @@ -1135,7 +1133,7 @@ void *v4l2_mmap(void *start, size_t length, int prot, int flags, int fd, } if (devices[index].convert_mmap_buf == MAP_FAILED) { - devices[index].convert_mmap_buf = (void *)syscall(SYS_mmap2, NULL, + devices[index].convert_mmap_buf = (void *)SYS_MMAP(NULL, (size_t)( devices[index].no_frames * V4L2_FRAME_BUF_SIZE), @@ -1208,7 +1206,7 @@ int v4l2_munmap(void *_start, size_t length) V4L2_LOG("v4l2 unknown munmap %p, %d\n", start, (int)length); - return syscall(SYS_munmap, _start, length); + return SYS_MUNMAP(_start, length); } /* Misc utility functions */ @@ -1218,7 +1216,7 @@ int v4l2_set_control(int fd, int cid, int value) struct v4l2_control ctrl = { .id = cid }; int result; - if ((result = syscall(SYS_ioctl, fd, VIDIOC_QUERYCTRL, &qctrl))) + if ((result = SYS_IOCTL(fd, VIDIOC_QUERYCTRL, &qctrl))) return result; if (!(qctrl.flags & V4L2_CTRL_FLAG_DISABLED) && @@ -1229,7 +1227,7 @@ int v4l2_set_control(int fd, int cid, int value) ctrl.value = (value * (qctrl.maximum - qctrl.minimum) + 32767) / 65535 + qctrl.minimum; - result = syscall(SYS_ioctl, fd, VIDIOC_S_CTRL, &ctrl); + result = SYS_IOCTL(fd, VIDIOC_S_CTRL, &ctrl); } return result; @@ -1240,13 +1238,13 @@ int v4l2_get_control(int fd, int cid) struct v4l2_queryctrl qctrl = { .id = cid }; struct v4l2_control ctrl = { .id = cid }; - if (syscall(SYS_ioctl, fd, VIDIOC_QUERYCTRL, &qctrl)) + if (SYS_IOCTL(fd, VIDIOC_QUERYCTRL, &qctrl)) return 0; if (qctrl.flags & V4L2_CTRL_FLAG_DISABLED) return 0; - if (syscall(SYS_ioctl, fd, VIDIOC_G_CTRL, &ctrl)) + if (SYS_IOCTL(fd, VIDIOC_G_CTRL, &ctrl)) return 0; return ((ctrl.value - qctrl.minimum) * 65535 + diff --git a/v4l2-apps/libv4l/libv4l2/log.c b/v4l2-apps/libv4l/libv4l2/log.c index a08ae3554..86d71b64e 100644 --- a/v4l2-apps/libv4l/libv4l2/log.c +++ b/v4l2-apps/libv4l/libv4l2/log.c @@ -22,12 +22,7 @@ #include <stdlib.h> #include <string.h> #include <errno.h> -#include <linux/ioctl.h> -/* These headers are not needed by us, but by linux/videodev2.h, - which is broken on some systems and doesn't include them itself :( */ -#include <sys/time.h> -#include <asm/types.h> -/* end broken header workaround includes */ +#include "../libv4lconvert/libv4lsyscall-priv.h" #include <linux/videodev2.h> #include "libv4l2.h" #include "libv4l2-priv.h" diff --git a/v4l2-apps/libv4l/libv4l2/v4l2convert.c b/v4l2-apps/libv4l/libv4l2/v4l2convert.c index b1354772d..4b75a5ebf 100644 --- a/v4l2-apps/libv4l/libv4l2/v4l2convert.c +++ b/v4l2-apps/libv4l/libv4l2/v4l2convert.c @@ -24,17 +24,11 @@ #include <stdarg.h> #include <stdlib.h> -#include <syscall.h> #include <fcntl.h> #include <string.h> #include <sys/ioctl.h> #include <sys/mman.h> -/* These headers are not needed by us, but by linux/videodev2.h, - which is broken on some systems and doesn't include them itself :( */ -#include <sys/time.h> -#include <asm/types.h> -#include <linux/ioctl.h> -/* end broken header workaround includes */ +#include "../libv4lconvert/libv4lsyscall-priv.h" #include <linux/videodev2.h> #include <libv4l2.h> @@ -72,18 +66,18 @@ LIBV4L_PUBLIC int open (const char *file, int oflag, ...) va_start (ap, oflag); mode = va_arg (ap, mode_t); - fd = syscall(SYS_open, file, oflag, mode); + fd = SYS_OPEN(file, oflag, mode); va_end(ap); } else - fd = syscall(SYS_open, file, oflag); + fd = SYS_OPEN(file, oflag, 0); /* end of original open code */ if (fd == -1 || !v4l_device) return fd; /* check that this is an v4l2 device, libv4l2 only supports v4l2 devices */ - if (syscall(SYS_ioctl, fd, VIDIOC_QUERYCAP, &cap)) + if (SYS_IOCTL(fd, VIDIOC_QUERYCAP, &cap)) return fd; /* libv4l2 only adds functionality to capture capable devices */ @@ -97,6 +91,7 @@ LIBV4L_PUBLIC int open (const char *file, int oflag, ...) return fd; } +#ifdef linux LIBV4L_PUBLIC int open64(const char *file, int oflag, ...) { int fd; @@ -119,6 +114,7 @@ LIBV4L_PUBLIC int open64(const char *file, int oflag, ...) return fd; } +#endif LIBV4L_PUBLIC int close(int fd) { @@ -153,11 +149,13 @@ LIBV4L_PUBLIC void *mmap(void *start, size_t length, int prot, int flags, int fd return v4l2_mmap(start, length, prot, flags, fd, offset); } +#ifdef linux LIBV4L_PUBLIC void *mmap64(void *start, size_t length, int prot, int flags, int fd, __off64_t offset) { return v4l2_mmap(start, length, prot, flags, fd, offset); } +#endif LIBV4L_PUBLIC int munmap(void *start, size_t length) { diff --git a/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c b/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c index da2fbcdce..2f459c396 100644 --- a/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c +++ b/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.c @@ -28,16 +28,9 @@ #include <stdlib.h> #include <unistd.h> #include <string.h> -#include <syscall.h> #include "libv4lcontrol.h" #include "libv4lcontrol-priv.h" - -/* These headers are not needed by us, but by linux/videodev2.h, - which is broken on some systems and doesn't include them itself :( */ -#include <sys/time.h> -#include <linux/types.h> -#include <linux/ioctl.h> -/* end broken header workaround includes */ +#include "../libv4lsyscall-priv.h" #include <linux/videodev2.h> #define ARRAY_SIZE(x) ((int)sizeof(x)/(int)sizeof((x)[0])) @@ -102,8 +95,8 @@ static void v4lcontrol_init_flags(struct v4lcontrol_data *data) char c, *s, buf[32]; struct v4l2_input input; - if ((syscall(SYS_ioctl, data->fd, VIDIOC_G_INPUT, &input.index) == 0) && - (syscall(SYS_ioctl, data->fd, VIDIOC_ENUMINPUT, &input) == 0)) { + if ((SYS_IOCTL(data->fd, VIDIOC_G_INPUT, &input.index) == 0) && + (SYS_IOCTL(data->fd, VIDIOC_ENUMINPUT, &input) == 0)) { if (input.status & V4L2_IN_ST_HFLIP) data->flags |= V4LCONTROL_HFLIPPED; if (input.status & V4L2_IN_ST_VFLIP) @@ -229,7 +222,7 @@ struct v4lcontrol_data *v4lcontrol_create(int fd, int always_needs_conversion) data->flags = strtol(s, NULL, 0); ctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL; - if (syscall(SYS_ioctl, data->fd, VIDIOC_QUERYCTRL, &ctrl) == 0) + if (SYS_IOCTL(data->fd, VIDIOC_QUERYCTRL, &ctrl) == 0) data->priv_flags |= V4LCONTROL_SUPPORTS_NEXT_CTRL; /* If the device always needs conversion, we can add fake controls at no cost @@ -237,7 +230,7 @@ struct v4lcontrol_data *v4lcontrol_create(int fd, int always_needs_conversion) if (always_needs_conversion || v4lcontrol_needs_conversion(data)) { for (i = 0; i < V4LCONTROL_AUTO_ENABLE_COUNT; i++) { ctrl.id = fake_controls[i].id; - if (syscall(SYS_ioctl, data->fd, VIDIOC_QUERYCTRL, &ctrl) == -1) + if (SYS_IOCTL(data->fd, VIDIOC_QUERYCTRL, &ctrl) == -1) data->controls |= 1 << i; } } @@ -253,7 +246,7 @@ struct v4lcontrol_data *v4lcontrol_create(int fd, int always_needs_conversion) if (data->controls == 0) return data; /* No need to create a shared memory segment */ - syscall(SYS_ioctl, fd, VIDIOC_QUERYCAP, &cap); + SYS_IOCTL(fd, VIDIOC_QUERYCAP, &cap); snprintf(shm_name, 256, "/%s:%s", cap.bus_info, cap.card); /* / is not allowed inside shm names */ @@ -403,7 +396,7 @@ int v4lcontrol_vidioc_queryctrl(struct v4lcontrol_data *data, void *arg) } /* find out what the kernel driver would respond. */ - retval = syscall(SYS_ioctl, data->fd, VIDIOC_QUERYCTRL, arg); + retval = SYS_IOCTL(data->fd, VIDIOC_QUERYCTRL, arg); if ((data->priv_flags & V4LCONTROL_SUPPORTS_NEXT_CTRL) && (orig_id & V4L2_CTRL_FLAG_NEXT_CTRL)) { @@ -440,7 +433,7 @@ int v4lcontrol_vidioc_g_ctrl(struct v4lcontrol_data *data, void *arg) return 0; } - return syscall(SYS_ioctl, data->fd, VIDIOC_G_CTRL, arg); + return SYS_IOCTL(data->fd, VIDIOC_G_CTRL, arg); } int v4lcontrol_vidioc_s_ctrl(struct v4lcontrol_data *data, void *arg) @@ -461,7 +454,7 @@ int v4lcontrol_vidioc_s_ctrl(struct v4lcontrol_data *data, void *arg) return 0; } - return syscall(SYS_ioctl, data->fd, VIDIOC_S_CTRL, arg); + return SYS_IOCTL(data->fd, VIDIOC_S_CTRL, arg); } int v4lcontrol_get_flags(struct v4lcontrol_data *data) diff --git a/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c index 1b95d0657..ef23be362 100644 --- a/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c +++ b/v4l2-apps/libv4l/libv4lconvert/libv4lconvert.c @@ -19,12 +19,12 @@ #include <errno.h> #include <string.h> #include <stdlib.h> -#include <syscall.h> #include <unistd.h> #include <sys/stat.h> #include <sys/types.h> #include "libv4lconvert.h" #include "libv4lconvert-priv.h" +#include "libv4lsyscall-priv.h" #define MIN(a,b) (((a)<(b))?(a):(b)) @@ -103,7 +103,7 @@ struct v4lconvert_data *v4lconvert_create(int fd) fmt.index = i; - if (syscall(SYS_ioctl, fd, VIDIOC_ENUM_FMT, &fmt)) + if (SYS_IOCTL(data->fd, VIDIOC_ENUM_FMT, &fmt)) break; for (j = 0; j < ARRAY_SIZE(supported_src_pixfmts); j++) @@ -122,7 +122,7 @@ struct v4lconvert_data *v4lconvert_create(int fd) data->no_formats = i; /* Check if this cam has any special flags */ - if (syscall(SYS_ioctl, fd, VIDIOC_QUERYCAP, &cap) == 0) { + if (SYS_IOCTL(data->fd, VIDIOC_QUERYCAP, &cap) == 0) { if (!strcmp((char *)cap.driver, "uvcvideo")) data->flags |= V4LCONVERT_IS_UVC; else if (!strcmp((char *)cap.driver, "sn9c20x")) @@ -192,7 +192,7 @@ int v4lconvert_enum_fmt(struct v4lconvert_data *data, struct v4l2_fmtdesc *fmt) if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || (!v4lconvert_supported_dst_fmt_only(data) && fmt->index < data->no_formats)) - return syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FMT, fmt); + return SYS_IOCTL(data->fd, VIDIOC_ENUM_FMT, fmt); for (i = 0; i < ARRAY_SIZE(supported_dst_pixfmts); i++) if (v4lconvert_supported_dst_fmt_only(data) || @@ -300,7 +300,7 @@ static int v4lconvert_do_try_format(struct v4lconvert_data *data, try_fmt = *dest_fmt; try_fmt.fmt.pix.pixelformat = supported_src_pixfmts[i].fmt; - if (!syscall(SYS_ioctl, data->fd, VIDIOC_TRY_FMT, &try_fmt)) + if (!SYS_IOCTL(data->fd, VIDIOC_TRY_FMT, &try_fmt)) { if (try_fmt.fmt.pix.pixelformat == supported_src_pixfmts[i].fmt) { int size_x_diff = abs((int)try_fmt.fmt.pix.width - @@ -368,7 +368,7 @@ int v4lconvert_try_format(struct v4lconvert_data *data, if (!v4lconvert_supported_dst_format(dest_fmt->fmt.pix.pixelformat) || dest_fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || v4lconvert_do_try_format(data, &try_dest, &try_src)) { - result = syscall(SYS_ioctl, data->fd, VIDIOC_TRY_FMT, dest_fmt); + result = SYS_IOCTL(data->fd, VIDIOC_TRY_FMT, dest_fmt); if (src_fmt) *src_fmt = *dest_fmt; return result; @@ -1041,7 +1041,7 @@ static void v4lconvert_get_framesizes(struct v4lconvert_data *data, for (i = 0; ; i++) { frmsize.index = i; - if (syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMESIZES, &frmsize)) + if (SYS_IOCTL(data->fd, VIDIOC_ENUM_FRAMESIZES, &frmsize)) break; /* We got a framesize, check we don't have the same one already */ @@ -1101,7 +1101,7 @@ int v4lconvert_enum_framesizes(struct v4lconvert_data *data, errno = EINVAL; return -1; } - return syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMESIZES, frmsize); + return SYS_IOCTL(data->fd, VIDIOC_ENUM_FRAMESIZES, frmsize); } if (frmsize->index >= data->no_framesizes) { @@ -1141,7 +1141,7 @@ int v4lconvert_enum_frameintervals(struct v4lconvert_data *data, errno = EINVAL; return -1; } - res = syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival); + res = SYS_IOCTL(data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival); if (res) V4LCONVERT_ERR("%s\n", strerror(errno)); return res; @@ -1185,7 +1185,7 @@ int v4lconvert_enum_frameintervals(struct v4lconvert_data *data, frmival->pixel_format = src_fmt.fmt.pix.pixelformat; frmival->width = src_fmt.fmt.pix.width; frmival->height = src_fmt.fmt.pix.height; - res = syscall(SYS_ioctl, data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival); + res = SYS_IOCTL(data->fd, VIDIOC_ENUM_FRAMEINTERVALS, frmival); if (res) { int dest_pixfmt = dest_fmt.fmt.pix.pixelformat; int src_pixfmt = src_fmt.fmt.pix.pixelformat; diff --git a/v4l2-apps/libv4l/libv4lconvert/libv4lsyscall-priv.h b/v4l2-apps/libv4l/libv4lconvert/libv4lsyscall-priv.h new file mode 100644 index 000000000..a456ceea3 --- /dev/null +++ b/v4l2-apps/libv4l/libv4lconvert/libv4lsyscall-priv.h @@ -0,0 +1,112 @@ +/*- + * Copyright (c) 2009 Hans Petter Selasky. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * The following file allows for having the complete V4L stack and + * hardware drivers in userland. + */ + +#ifndef _LIBV4LSYSCALL_PRIV_H_ +#define _LIBV4LSYSCALL_PRIV_H_ + +/* Some of these headers are not needed by us, but by linux/videodev2.h, + which is broken on some systems and doesn't include them itself :( */ + +#ifdef linux +#include <sys/time.h> +#include <syscall.h> +#include <linux/types.h> +#include <linux/ioctl.h> +/* On 32 bits archs we always use mmap2, on 64 bits archs there is no mmap2 */ +#ifdef __NR_mmap2 +#define SYS_mmap2 __NR_mmap2 +#define MMAP2_PAGE_SHIFT 12 +#else +#define SYS_mmap2 SYS_mmap +#define MMAP2_PAGE_SHIFT 0 +#endif +#endif + +#ifdef __FreeBSD__ +#include <sys/time.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#define _IOC_NR(cmd) ((cmd) & 0xFF) +#define _IOC_TYPE(cmd) IOCGROUP(cmd) +#define _IOC_SIZE(cmd) IOCPARM_LEN(cmd) +#define MAP_ANONYMOUS MAP_ANON +#define SYS_mmap2 SYS_mmap +#define MMAP2_PAGE_SHIFT 0 +typedef off_t __off_t; +#endif + +#undef SYS_OPEN +#undef SYS_CLOSE +#undef SYS_IOCTL +#undef SYS_READ +#undef SYS_WRITE +#undef SYS_MMAP +#undef SYS_MUNMAP + +#ifndef CONFIG_SYS_WRAPPER + +#define SYS_OPEN(file, oflag, mode) \ + syscall(SYS_open, (const char *)(file), (int)(oflag), (mode_t)(mode)) +#define SYS_CLOSE(fd) \ + syscall(SYS_close, (int)(fd)) +#define SYS_IOCTL(fd, cmd, arg) \ + syscall(SYS_ioctl, (int)(fd), (unsigned long)(cmd), (void *)(arg)) +#define SYS_READ(fd, buf, len) \ + syscall(SYS_read, (int)(fd), (void *)(buf), (size_t)(len)); +#define SYS_WRITE(fd, buf, len) \ + syscall(SYS_write, (int)(fd), (void *)(buf), (size_t)(len)); +#define SYS_MMAP(addr, len, prot, flags, fd, off) \ + syscall(SYS_mmap2, (void *)(addr), (size_t)(len), \ + (int)(prot), (int)(flags), (int)(fd), (__off_t)((off) >> MMAP2_PAGE_SHIFT)) +#define SYS_MUNMAP(addr, len) \ + syscall(SYS_munmap, (void *)(addr), (size_t)(len)) + +#else + +int v4lx_open_wrapper(const char *, int, int); +int v4lx_close_wrapper(int); +int v4lx_ioctl_wrapper(int, unsigned long, void *); +int v4lx_read_wrapper(int, void *, size_t); +int v4lx_write_wrapper(int, void *, size_t); +void *v4lx_mmap_wrapper(void *, size_t, int, int, int, off_t); +int v4lx_munmap_wrapper(void *, size_t); + +#define SYS_OPEN(...) v4lx_open_wrapper(__VA_ARGS__) +#define SYS_CLOSE(...) v4lx_close_wrapper(__VA_ARGS__) +#define SYS_IOCTL(...) v4lx_ioctl_wrapper(__VA_ARGS__) +#define SYS_READ(...) v4lx_read_wrapper(__VA_ARGS__) +#define SYS_WRITE(...) v4lx_write_wrapper(__VA_ARGS__) +#define SYS_MMAP(...) v4lx_mmap_wrapper(__VA_ARGS__) +#define SYS_MUNMAP(...) v4lx_munmap_wrapper(__VA_ARGS__) + +#endif + +#endif /* _LIBV4LSYSCALL_PRIV_H_ */ diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/autogain.c b/v4l2-apps/libv4l/libv4lconvert/processing/autogain.c index ed4b8224f..358264c68 100644 --- a/v4l2-apps/libv4l/libv4lconvert/processing/autogain.c +++ b/v4l2-apps/libv4l/libv4lconvert/processing/autogain.c @@ -20,12 +20,12 @@ #include <string.h> #include <stdio.h> #include <stdlib.h> -#include <syscall.h> #include <unistd.h> #include "libv4lprocessing.h" #include "libv4lprocessing-priv.h" #include "../libv4lconvert-priv.h" /* for PIX_FMT defines */ +#include "../libv4lsyscall-priv.h" static int autogain_active(struct v4lprocessing_data *data) { return v4lcontrol_get_ctrl(data->control, V4LCONTROL_AUTOGAIN); @@ -45,15 +45,15 @@ static int autogain_calculate_lookup_tables( ctrl.id = V4L2_CID_EXPOSURE; expoctrl.id = V4L2_CID_EXPOSURE; - if (syscall(SYS_ioctl, data->fd, VIDIOC_QUERYCTRL, &expoctrl) || - syscall(SYS_ioctl, data->fd, VIDIOC_G_CTRL, &ctrl)) + if (SYS_IOCTL(data->fd, VIDIOC_QUERYCTRL, &expoctrl) || + SYS_IOCTL(data->fd, VIDIOC_G_CTRL, &ctrl)) return 0; exposure = orig_exposure = ctrl.value; ctrl.id = V4L2_CID_GAIN; gainctrl.id = V4L2_CID_GAIN; - if (syscall(SYS_ioctl, data->fd, VIDIOC_QUERYCTRL, &gainctrl) || - syscall(SYS_ioctl, data->fd, VIDIOC_G_CTRL, &ctrl)) + if (SYS_IOCTL(data->fd, VIDIOC_QUERYCTRL, &gainctrl) || + SYS_IOCTL(data->fd, VIDIOC_G_CTRL, &ctrl)) return 0; gain = orig_gain = ctrl.value; @@ -125,12 +125,12 @@ static int autogain_calculate_lookup_tables( if (gain != orig_gain) { ctrl.id = V4L2_CID_GAIN; ctrl.value = gain; - syscall(SYS_ioctl, data->fd, VIDIOC_S_CTRL, &ctrl); + SYS_IOCTL(data->fd, VIDIOC_S_CTRL, &ctrl); } if (exposure != orig_exposure) { ctrl.id = V4L2_CID_EXPOSURE; ctrl.value = exposure; - syscall(SYS_ioctl, data->fd, VIDIOC_S_CTRL, &ctrl); + SYS_IOCTL(data->fd, VIDIOC_S_CTRL, &ctrl); } return 0; diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h index 008d352ff..b73c73b53 100644 --- a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h +++ b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h @@ -22,6 +22,7 @@ #define __LIBV4LPROCESSING_PRIV_H #include "../control/libv4lcontrol.h" +#include "../libv4lsyscall-priv.h" #define V4L2PROCESSING_UPDATE_RATE 10 diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.c b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.c index f050086e3..cbbcca73c 100644 --- a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.c +++ b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.c @@ -22,7 +22,6 @@ #include <string.h> #include <stdio.h> #include <stdlib.h> -#include <syscall.h> #include <unistd.h> #include "libv4lprocessing.h" #include "libv4lprocessing-priv.h" diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h index f1892a279..69d8865b2 100644 --- a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h +++ b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h @@ -21,12 +21,7 @@ #ifndef __LIBV4LPROCESSING_H #define __LIBV4LPROCESSING_H -/* These headers are not needed by us, but by linux/videodev2.h, - which is broken on some systems and doesn't include them itself :( */ -#include <sys/time.h> -#include <linux/types.h> -#include <linux/ioctl.h> -/* end broken header workaround includes */ +#include "../libv4lsyscall-priv.h" #include <linux/videodev2.h> struct v4lprocessing_data; diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/whitebalance.c b/v4l2-apps/libv4l/libv4lconvert/processing/whitebalance.c index f5bfd961c..64d20b3ff 100644 --- a/v4l2-apps/libv4l/libv4lconvert/processing/whitebalance.c +++ b/v4l2-apps/libv4l/libv4lconvert/processing/whitebalance.c @@ -22,7 +22,6 @@ #include <string.h> #include <stdio.h> #include <stdlib.h> -#include <syscall.h> #include <unistd.h> #include "libv4lprocessing.h" #include "libv4lprocessing-priv.h" |