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Update to the very latest version of zbar

Browse Source 
zbar was using a 2010 snapshot of its hg tree.
Take a new snapshot to get zbar's improvements.
epel9
Mauro Carvalho Chehab 12 years ago
parent c65e967d98
commit 23c808b6cc
4 changed files with 19257 additions and 12924 deletions
Show Stats Download Patch File Download Diff File

2
sources
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@ -1 +1 @@
0fd61eb590ac1bab62a77913c8b086a5 zbar-0.10.tar.bz2
d8b9dddcf28d6603d8b066816941a9d2 zbar-0.10.tar.bz2

19
zbar.spec
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@ -3,17 +3,16 @@
Name: zbar
Version: 0.10
Release: 14%{?dist}
Release: 15%{?dist}
Summary: Bar code reader
Group: User Interface/X Hardware Support
License: LGPLv2+
URL: http://zbar.sourceforge.net/
Source0: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.bz2
Patch0: zbar_update_to_617889f8f73.patch
Patch1: zbar_dont_user_reserved_dprintf.patch
Patch2: zbar_use_libv4l.patch
Patch3: zbar_choose_supported_format_first.patch
Patch0: zbar_update_to_hg.patch
Patch1: zbar_use_libv4l.patch
Patch2: zbar_choose_supported_format_first.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
Requires: ImageMagick-c++ libv4l libXv
@ -88,10 +87,9 @@ scanning widget.
%patch0 -p1
%patch1 -p1
%patch2 -p1
%patch3 -p1
%build
autoreconf
autoreconf -vfi
autoconf
%configure --docdir=%{_docdir}/%{name}-%{version}
@ -180,6 +178,11 @@ rm -rf $RPM_BUILD_ROOT
%{_includedir}/zbar/QZBar*.h
%changelog
* Fri Feb 22 2013 Mauro Carvalho Chehab <mchehab@redhat.com> - 0.10-15
- zbar 0.10 source generated via hg archive -r 0.10 ../zbar-0.10.tar.bz2
That allows to better handle the difference from 0.10 to -hg
- Update to the latest hg patch
* Fri Feb 15 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.10-14
- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
@ -204,7 +207,7 @@ rm -rf $RPM_BUILD_ROOT
* Sun Dec 25 2010 mchehab - 0.10-7
- Prefer to use non-emulated formats
* Sun Dec 05 2010 mchehab - 0.10-6
* Sun Dec 05 2010 Mauro Carvalho Chehab <mchehab@redhat.com>
- Update it to the newest version available at zbar git directory
- Use libv4l to communicate with video devices

31476
zbar_update_to_617889f8f73.patch → zbar_update_to_hg.patch
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File diff suppressed because it is too large Load Diff

684
zbar_use_libv4l.patch
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@ -1,522 +1,119 @@
diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -179,20 +179,13 @@ AC_ARG_ENABLE([video],
with_video="no"
AS_IF([test "x$enable_video" != "xno"],
[AS_IF([test "x$win32" = "xno"],
- [AC_CHECK_HEADERS([linux/videodev.h], [with_video="v4l1"],
- [AC_MSG_FAILURE([test for video support failed!
-rebuild your kernel to include video4linux support or
-configure --disable-video to skip building video support.])])
- AC_CHECK_HEADERS([linux/videodev2.h], [with_video="v4l2"],
+ [AC_CHECK_LIB([v4l2], [v4l2_open], [],
[AC_MSG_WARN([v4l2 API not detected, upgrade your kernel!])])],
[AC_CHECK_HEADERS([vfw.h], [with_video="vfw"],
[AC_MSG_FAILURE([test for VfW video support failed!
configure --disable-video to skip building vidoe support.])])])
])
diff -r 38e78368283d configure.ac
--- a/configure.ac Sun Oct 14 23:02:08 2012 -0700
+++ b/configure.ac Fri Feb 22 10:04:52 2013 -0300
@@ -3,7 +3,8 @@
AC_INIT([zbar], [0.10], [spadix@users.sourceforge.net])
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_MACRO_DIR(config)
-AM_INIT_AUTOMAKE([1.10 -Wall -Werror foreign subdir-objects std-options dist-bzip2])
+AM_INIT_AUTOMAKE([1.10 -Werror foreign subdir-objects std-options dist-bzip2])
+AM_PROG_AR
AC_CONFIG_HEADERS([include/config.h])
AC_CONFIG_SRCDIR(zbar/scanner.c)
LT_PREREQ([2.2])
@@ -47,7 +48,7 @@
[Library revision])
AM_CPPFLAGS="-I$srcdir/include"
-AM_CFLAGS="-Wall -Wno-parentheses -Werror"
+AM_CFLAGS="-Wall -Wno-parentheses"
AM_CXXFLAGS="$AM_CFLAGS"
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_CFLAGS])
@@ -179,11 +180,13 @@
have_v4l1="no"
have_v4l2="no"
+have_libv4l="no"
AS_IF([test "x$enable_video" = "xno"],
[],
[test "x$win32" = "xno"],
[AC_CHECK_HEADERS([linux/videodev.h], [have_v4l1="yes"])
AC_CHECK_HEADERS([linux/videodev2.h], [have_v4l2="yes"])
+ AC_CHECK_HEADERS([libv4l2.h], [have_libv4l="yes"])
AS_IF([test "x$have_v4l2" = "xno" && test "x$have_v4l1" = "xno"],
[AC_MSG_FAILURE([test for video support failed!
rebuild your kernel to include video4linux support or
@@ -194,9 +197,15 @@
[AC_MSG_FAILURE([test for VfW video support failed!
configure --disable-video to skip building video support.])])])
+AS_IF([test "x$have_libv4l" = "xyes"],
+ AC_CHECK_LIB([v4l2], [v4l2_open], [],
+ [AC_MSG_FAILURE([unable to find libv4l.so])]),
+ [AC_MSG_WARN([libv4l not detected. Install it to support more cameras!])])
+
AM_CONDITIONAL([HAVE_VIDEO], [test "x$enable_video" != "xno"])
-AM_CONDITIONAL([HAVE_V4L1],
- [test "x$with_video" = "xv4l1" || test "x$with_video" = "xv4l2"])
-AM_CONDITIONAL([HAVE_V4L2], [test "x$with_video" = "xv4l2"])
AM_CONDITIONAL([HAVE_V4L1], [test "x$have_v4l1" != "xno"])
AM_CONDITIONAL([HAVE_V4L2], [test "x$have_v4l2" != "xno"])
+AM_CONDITIONAL([HAVE_LIBV4L], [test "x$have_libv4l" != "xno"])
dnl X
AC_ARG_VAR([XSHM_LIBS], [linker flags for X shared memory extension])
@@ -500,7 +493,7 @@ echo "please verify that the detected co
echo "------------------------------------------------------------------------"
echo "X --with-x=$have_x"
echo "pthreads --enable-pthread=$enable_pthread"
-echo "v4l --enable-video=$enable_video"
+echo "v4l2 --enable-video=$enable_video"
@@ -571,6 +580,8 @@
echo "v4l --enable-video=$enable_video"
AS_IF([test "x$enable_video" != "xyes"],
[echo " => zbarcam video scanner will *NOT* be built"])
+AS_IF([test "x$have_libv4l" != "xyes"],
+ [echo " => libv4l will *NOT* be used"])
echo "jpeg --with-jpeg=$with_jpeg"
diff --git a/zbar/Makefile.am.inc b/zbar/Makefile.am.inc
--- a/zbar/Makefile.am.inc
+++ b/zbar/Makefile.am.inc
@@ -59,21 +59,17 @@ else
zbar_libzbar_la_SOURCES += zbar/processor/posix.h zbar/processor/posix.c
endif
AS_IF([test "x$with_jpeg" != "xyes"],
[echo " => JPEG image conversions will *NOT* be supported"])
diff -r 38e78368283d zbar/video/v4l.c
--- a/zbar/video/v4l.c Sun Oct 14 23:02:08 2012 -0700
+++ b/zbar/video/v4l.c Fri Feb 22 10:04:52 2013 -0300
@@ -34,6 +34,13 @@
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
+#ifdef HAVE_LIBV4L2_H
+# include <fcntl.h>
+# include <libv4l2.h>
+#else
+# define v4l2_open open
+# define v4l2_close close
+#endif
-if HAVE_V4L1
-zbar_libzbar_la_SOURCES += zbar/video/v4l1.c
-if HAVE_V4L2
-zbar_libzbar_la_SOURCES += zbar/video/v4l2.c
-endif
-endif
+if HAVE_VIDEO
if WIN32
-if HAVE_VIDEO
zbar_libzbar_la_SOURCES += zbar/video/vfw.c
zbar_libzbar_la_LIBADD += -lvfw32
-endif
-endif
-if !HAVE_VIDEO
+else
+zbar_libzbar_la_SOURCES += zbar/video/v4l2.c
+zbar_libzbar_la_LDFLAGS += -lv4l2
+endif #WIN32
+else
zbar_libzbar_la_SOURCES += zbar/video/null.c
-endif
+endif #HAVE_VIDEO
#include "video.h"
if HAVE_JPEG
zbar_libzbar_la_SOURCES += zbar/jpeg.c
diff --git a/zbar/video/v4l1.c b/zbar/video/v4l1.c
deleted file mode 100644
--- a/zbar/video/v4l1.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/*------------------------------------------------------------------------
- * Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
- *
- * This file is part of the ZBar Bar Code Reader.
- *
- * The ZBar Bar Code Reader is free software; you can redistribute it
- * and/or modify it under the terms of the GNU Lesser Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * The ZBar Bar Code Reader 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 Lesser Public License for more details.
- *
- * You should have received a copy of the GNU Lesser Public License
- * along with the ZBar Bar Code Reader; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301 USA
- *
- * http://sourceforge.net/projects/zbar
- *------------------------------------------------------------------------*/
-
-#include <config.h>
-#ifdef HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <assert.h>
-#ifdef HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
-#ifdef HAVE_SYS_MMAN_H
-# include <sys/mman.h>
-#endif
-#include <linux/videodev.h>
-
-#include "video.h"
-#include "image.h"
-
-extern int _zbar_v4l2_probe(zbar_video_t*);
-
-typedef struct v4l1_format_s {
- uint32_t format;
- uint8_t bpp;
-} v4l1_format_t;
-
-/* static v4l1 "palette" mappings
- * documentation for v4l1 formats is terrible...
- */
-static const v4l1_format_t v4l1_formats[17] = {
- /* format bpp */
- { 0, 0 },
- { fourcc('G','R','E','Y'), 8 }, /* GREY */
- { fourcc('H','I','2','4'), 8 }, /* HI240 (BT848) */
-
- /* component ordering for RGB palettes is unspecified,
- * convention appears to place red in the most significant bits
- * FIXME is this true for other drivers? big endian machines?
- */
- { fourcc('R','G','B','P'), 16 }, /* RGB565 */
- { fourcc('B','G','R','3'), 24 }, /* RGB24 */
- { fourcc('B','G','R','4'), 32 }, /* RGB32 */
- { fourcc('R','G','B','O'), 16 }, /* RGB555 */
- { fourcc('Y','U','Y','2'), 16 }, /* YUV422 (8 bpp?!) */
- { fourcc('Y','U','Y','V'), 16 }, /* YUYV */
- { fourcc('U','Y','V','Y'), 16 }, /* UYVY */
- { 0, 12 }, /* YUV420 (24 bpp?) FIXME?! */
- { fourcc('Y','4','1','P'), 12 }, /* YUV411 */
- { 0, 0 }, /* Bt848 raw */
- { fourcc('4','2','2','P'), 16 }, /* YUV422P (24 bpp?) */
- { fourcc('4','1','1','P'), 12 }, /* YUV411P */
- { fourcc('Y','U','1','2'), 12 }, /* YUV420P */
- { fourcc('Y','U','V','9'), 9 }, /* YUV410P */
-};
-
-static int v4l1_nq (zbar_video_t *vdo,
- zbar_image_t *img)
-{
- if(video_nq_image(vdo, img))
- return(-1);
-
- if(vdo->iomode != VIDEO_MMAP)
- return(0);
-
- struct video_mmap vmap;
- vmap.frame = img->srcidx;
- vmap.width = vdo->width;
- vmap.height = vdo->height;
- vmap.format = vdo->palette;
- if(ioctl(vdo->fd, VIDIOCMCAPTURE, &vmap) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "initiating video capture (VIDIOCMCAPTURE)"));
-
- return(0);
-}
-
-static zbar_image_t *v4l1_dq (zbar_video_t *vdo)
-{
- video_iomode_t iomode = vdo->iomode;
- int fd = vdo->fd;
- zbar_image_t *img = video_dq_image(vdo);
- if(!img)
- return(NULL);
-
- if(iomode == VIDEO_MMAP) {
- int frame = img->srcidx;
- if(ioctl(fd, VIDIOCSYNC, &frame) < 0)
- return(NULL);
- }
- else if(read(fd, (void*)img->data, img->datalen) != img->datalen)
- return(NULL);
-
- return(img);
-}
-
-static int v4l1_mmap_buffers (zbar_video_t *vdo)
-{
-#ifdef HAVE_SYS_MMAN_H
- /* map camera image to memory */
- struct video_mbuf vbuf;
- memset(&vbuf, 0, sizeof(vbuf));
- if(ioctl(vdo->fd, VIDIOCGMBUF, &vbuf) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying video frame buffers (VIDIOCGMBUF)"));
- assert(vbuf.frames && vbuf.size);
-
- zprintf(1, "mapping %d buffers size=0x%x\n", vbuf.frames, vbuf.size);
- vdo->buflen = vbuf.size;
- vdo->buf = mmap(0, vbuf.size, PROT_READ | PROT_WRITE, MAP_SHARED,
- vdo->fd, 0);
- if(vdo->buf == MAP_FAILED)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "mapping video frame buffers"));
-
- int i;
- for(i = 0; i < vbuf.frames; i++) {
- zbar_image_t *img = vdo->images[i];
- zprintf(2, " [%02d] @%08x\n", img->srcidx, vbuf.offsets[i]);
- img->data = vdo->buf + vbuf.offsets[i];
- img->datalen = vdo->datalen;
- int next_offset = ((i + 1 < vdo->num_images)
- ? vbuf.offsets[i + 1]
- : vbuf.size);
- if(next_offset < vbuf.offsets[i] + vdo->datalen)
- fprintf(stderr, "WARNING: insufficient v4l1 video buffer size:\n"
- "\tvbuf[%d]=%x vbuf[%d]=%x datalen=%lx\n"
- "\timage=%d x %d %.4s(%08x) palette=%d\n",
- i, vbuf.offsets[i], i + 1, next_offset,
- vdo->datalen, vdo->width, vdo->height,
- (char*)&vdo->format, vdo->format, vdo->palette);
- }
- return(0);
-#else
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_UNSUPPORTED, __func__,
- "memory mapping not supported"));
-#endif
-}
-
-static int v4l1_start (zbar_video_t *vdo)
-{
- return(0);
-}
-
-static int v4l1_stop (zbar_video_t *vdo)
-{
- return(0);
-}
-
-static inline int v4l1_set_format (zbar_video_t *vdo,
- uint32_t fmt)
-{
- struct video_picture vpic;
- memset(&vpic, 0, sizeof(vpic));
- if(ioctl(vdo->fd, VIDIOCGPICT, &vpic) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying video format (VIDIOCGPICT)"));
-
- vdo->palette = 0;
- int ifmt;
- for(ifmt = 1; ifmt <= VIDEO_PALETTE_YUV410P; ifmt++)
- if(v4l1_formats[ifmt].format == fmt)
- break;
- if(!fmt || ifmt >= VIDEO_PALETTE_YUV410P)
- return(err_capture_int(vdo, SEV_ERROR, ZBAR_ERR_INVALID, __func__,
- "invalid v4l1 format: %x", fmt));
-
- vpic.palette = ifmt;
- vpic.depth = v4l1_formats[ifmt].bpp;
- if(ioctl(vdo->fd, VIDIOCSPICT, &vpic) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "setting format (VIDIOCSPICT)"));
-
- memset(&vpic, 0, sizeof(vpic));
- if(ioctl(vdo->fd, VIDIOCGPICT, &vpic) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying video format (VIDIOCGPICT)"));
-
- if(vpic.palette != ifmt || vpic.depth != v4l1_formats[ifmt].bpp) {
- fprintf(stderr,
- "WARNING: set v4l1 palette %d which should have depth %d bpp\n"
- " but probed palette %d with depth %d bpp?"
- " ...continuing anyway\n",
- ifmt, v4l1_formats[ifmt].bpp, vpic.palette, vpic.depth);
- err_capture_int(vdo, SEV_WARNING, ZBAR_ERR_INVALID, __func__,
- "driver format (%x) inconsistency", fmt);
- }
- vdo->format = fmt;
- vdo->palette = ifmt;
- vdo->datalen = (vdo->width * vdo->height * v4l1_formats[ifmt].bpp + 7) >> 3;
-
- zprintf(1, "set new format: %.4s(%08x) depth=%d palette=%d size=0x%lx\n",
- (char*)&vdo->format, vdo->format, vpic.depth, vdo->palette,
- vdo->datalen);
- return(0);
-}
-
-static int v4l1_init (zbar_video_t *vdo,
- uint32_t fmt)
-{
- if(v4l1_set_format(vdo, fmt))
- return(-1);
- if(vdo->iomode == VIDEO_MMAP && v4l1_mmap_buffers(vdo))
- return(-1);
- return(0);
-}
-
-static int v4l1_cleanup (zbar_video_t *vdo)
-{
-#ifdef HAVE_SYS_MMAN_H
- /* FIXME should avoid holding onto mmap'd buffers so long? */
- if(vdo->iomode == VIDEO_MMAP && vdo->buf) {
- if(munmap(vdo->buf, vdo->buflen))
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "unmapping video frame buffers"));
- vdo->buf = NULL;
- /* FIXME reset image */
- }
-#endif
-
- /* close open device */
- if(vdo->fd >= 0) {
- close(vdo->fd);
- vdo->fd = -1;
- }
- return(0);
-}
-
-static int v4l1_probe_iomode (zbar_video_t *vdo)
-{
- vdo->iomode = VIDEO_READWRITE;
-#ifdef HAVE_SYS_MMAN_H
- struct video_mbuf vbuf;
- memset(&vbuf, 0, sizeof(vbuf));
- if(ioctl(vdo->fd, VIDIOCGMBUF, &vbuf) < 0) {
- if(errno != EINVAL)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying video frame buffers (VIDIOCGMBUF)"));
- /* not supported */
- return(0);
- }
- if(!vbuf.frames || !vbuf.size)
- return(0);
- vdo->iomode = VIDEO_MMAP;
- if(vdo->num_images > vbuf.frames)
- vdo->num_images = vbuf.frames;
-#endif
- zprintf(1, "using %d images in %s mode\n", vdo->num_images,
- (vdo->iomode == VIDEO_READWRITE) ? "READ" : "MMAP");
- return(0);
-}
-
-static inline int v4l1_probe_formats (zbar_video_t *vdo)
-{
- struct video_picture vpic;
- memset(&vpic, 0, sizeof(vpic));
- if(ioctl(vdo->fd, VIDIOCGPICT, &vpic) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying format (VIDIOCGPICT)"));
-
- vdo->format = 0;
- if(vpic.palette <= VIDEO_PALETTE_YUV410P)
- vdo->format = v4l1_formats[vpic.palette].format;
-
- zprintf(1, "current format: %.4s(%08x) depth=%d palette=%d\n",
- (char*)&vdo->format, vdo->format, vpic.depth, vpic.palette);
-
- vdo->formats = calloc(16, sizeof(uint32_t));
- if(!vdo->formats)
- return(err_capture(vdo, SEV_FATAL, ZBAR_ERR_NOMEM, __func__,
- "allocating format list"));
-
- int num_formats = 0;
- zprintf(2, "probing supported formats:\n");
- int i;
- for(i = 1; i <= VIDEO_PALETTE_YUV410P; i++) {
- if(!v4l1_formats[i].format)
- continue;
- vpic.depth = v4l1_formats[i].bpp;
- vpic.palette = i;
- if(ioctl(vdo->fd, VIDIOCSPICT, &vpic) < 0) {
- zprintf(2, " [%02d] %.4s...no (set fails)\n",
- i, (char*)&v4l1_formats[i].format);
- continue;
- }
- if(ioctl(vdo->fd, VIDIOCGPICT, &vpic) < 0 ||
- vpic.palette != i) {
- zprintf(2, " [%02d] %.4s...no (set ignored)\n",
- i, (char*)&v4l1_formats[i].format);
- continue;
- }
- zprintf(2, " [%02d] %.4s...yes\n",
- i, (char*)&v4l1_formats[i].format);
- vdo->formats[num_formats++] = v4l1_formats[i].format;
- }
- vdo->formats = realloc(vdo->formats, (num_formats + 1) * sizeof(uint32_t));
- assert(vdo->formats);
-
- return(v4l1_set_format(vdo, vdo->format));
-}
-
-static inline int v4l1_init_window (zbar_video_t *vdo)
-{
- struct video_window vwin;
- memset(&vwin, 0, sizeof(vwin));
- if(ioctl(vdo->fd, VIDIOCGWIN, &vwin) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying video window settings (VIDIOCGWIN)"));
-
- zprintf(1, "current window: %d x %d @(%d, %d)%s\n",
- vwin.width, vwin.height, vwin.x, vwin.y,
- (vwin.flags & 1) ? " INTERLACE" : "");
-
- if(vwin.width == vdo->width && vwin.height == vdo->height)
- /* max window already set */
- return(0);
-
- struct video_window maxwin;
- memcpy(&maxwin, &vwin, sizeof(maxwin));
- maxwin.width = vdo->width;
- maxwin.height = vdo->height;
-
- zprintf(1, "setting max win: %d x %d @(%d, %d)%s\n",
- maxwin.width, maxwin.height, maxwin.x, maxwin.y,
- (maxwin.flags & 1) ? " INTERLACE" : "");
- if(ioctl(vdo->fd, VIDIOCSWIN, &maxwin) < 0) {
- zprintf(1, "set FAILED...trying to recover original window\n");
- /* ignore errors (driver broken anyway) */
- ioctl(vdo->fd, VIDIOCSWIN, &vwin);
- }
-
- /* re-query resulting parameters */
- memset(&vwin, 0, sizeof(vwin));
- if(ioctl(vdo->fd, VIDIOCGWIN, &vwin) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "querying video window settings (VIDIOCGWIN)"));
-
- zprintf(1, " final window: %d x %d @(%d, %d)%s\n",
- vwin.width, vwin.height, vwin.x, vwin.y,
- (vwin.flags & 1) ? " INTERLACE" : "");
- vdo->width = vwin.width;
- vdo->height = vwin.height;
- return(0);
-}
-
-static int _zbar_v4l1_probe (zbar_video_t *vdo)
-{
- /* check capabilities */
- struct video_capability vcap;
- memset(&vcap, 0, sizeof(vcap));
- if(ioctl(vdo->fd, VIDIOCGCAP, &vcap) < 0)
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_UNSUPPORTED, __func__,
- "video4linux version 1 not supported (VIDIOCGCAP)"));
-
- zprintf(1, "%s (%sCAPTURE) (%d x %d) - (%d x %d)\n",
- vcap.name, (vcap.type & VID_TYPE_CAPTURE) ? "" : "*NO* ",
- vcap.minwidth, vcap.minheight, vcap.maxwidth, vcap.maxheight);
-
- if(!(vcap.type & VID_TYPE_CAPTURE))
- return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_UNSUPPORTED, __func__,
- "v4l1 device does not support CAPTURE"));
-
- if(!vdo->width || !vdo->height) {
- vdo->width = vcap.maxwidth;
- vdo->height = vcap.maxheight;
- }
-
- if(v4l1_init_window(vdo) ||
- v4l1_probe_formats(vdo) ||
- v4l1_probe_iomode(vdo))
- return(-1);
-
- vdo->intf = VIDEO_V4L1;
- vdo->init = v4l1_init;
- vdo->cleanup = v4l1_cleanup;
- vdo->start = v4l1_start;
- vdo->stop = v4l1_stop;
- vdo->nq = v4l1_nq;
- vdo->dq = v4l1_dq;
- return(0);
-}
-
-int _zbar_video_open (zbar_video_t *vdo,
- const char *dev)
-{
@@ -43,7 +50,7 @@
int _zbar_video_open (zbar_video_t *vdo,
const char *dev)
{
- vdo->fd = open(dev, O_RDWR);
- if(vdo->fd < 0)
- return(err_capture_str(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
- "opening video device '%s'", dev));
- zprintf(1, "opened camera device %s (fd=%d)\n", dev, vdo->fd);
-
- int rc = -1;
-#ifdef HAVE_LINUX_VIDEODEV2_H
- if(vdo->intf != VIDEO_V4L1)
- rc = _zbar_v4l2_probe(vdo);
- if(rc)
-#else
- zprintf(1, "WARNING: not compiled with v4l2 support, trying v4l1\n");
-#endif
- rc = _zbar_v4l1_probe(vdo);
-
- if(rc && vdo->fd >= 0) {
+ vdo->fd = v4l2_open(dev, O_RDWR);
if(vdo->fd < 0)
return(err_capture_str(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"opening video device '%s'", dev));
@@ -60,7 +67,7 @@
#endif
if(rc && vdo->fd >= 0) {
- close(vdo->fd);
- vdo->fd = -1;
- }
- return(rc);
-}
diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
--- a/zbar/video/v4l2.c
+++ b/zbar/video/v4l2.c
@@ -38,6 +38,8 @@
+ v4l2_close(vdo->fd);
vdo->fd = -1;
}
return(rc);
diff -r 38e78368283d zbar/video/v4l2.c
--- a/zbar/video/v4l2.c Sun Oct 14 23:02:08 2012 -0700
+++ b/zbar/video/v4l2.c Fri Feb 22 10:04:52 2013 -0300
@@ -38,6 +38,15 @@
#ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h>
#endif
+#include <fcntl.h>
+#include <libv4l2.h>
+#ifdef HAVE_LIBV4L2_H
+# include <fcntl.h>
+# include <libv4l2.h>
+#else
+# define v4l2_close close
+# define v4l2_ioctl ioctl
+# define v4l2_mmap mmap
+# define v4l2_munmap munmap
+#endif
#include <linux/videodev2.h>
#include "video.h"
@@ -67,7 +69,7 @@ static int v4l2_nq (zbar_video_t *vdo,
@@ -67,7 +76,7 @@
vbuf.length = img->datalen;
vbuf.index = img->srcidx; /* FIXME workaround broken drivers */
}
@ -525,7 +122,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"queuing video buffer (VIDIOC_QBUF)"));
return(0);
@@ -91,7 +93,7 @@ static zbar_image_t *v4l2_dq (zbar_video
@@ -91,7 +100,7 @@
else
vbuf.memory = V4L2_MEMORY_USERPTR;
@ -534,7 +131,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(NULL);
if(iomode == VIDEO_MMAP) {
@@ -132,7 +134,7 @@ static int v4l2_start (zbar_video_t *vdo
@@ -132,7 +141,7 @@
return(0);
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@ -543,7 +140,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"starting video stream (VIDIOC_STREAMON)"));
return(0);
@@ -144,7 +146,7 @@ static int v4l2_stop (zbar_video_t *vdo)
@@ -144,7 +153,7 @@
return(0);
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@ -552,7 +149,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"stopping video stream (VIDIOC_STREAMOFF)"));
return(0);
@@ -164,7 +166,7 @@ static int v4l2_cleanup (zbar_video_t *v
@@ -164,7 +173,7 @@
for(i = 0; i < vdo->num_images; i++) {
zbar_image_t *img = vdo->images[i];
if(img->data &&
@ -561,7 +158,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
err_capture(vdo, SEV_WARNING, ZBAR_ERR_SYSTEM, __func__,
"unmapping video frame buffers");
img->data = NULL;
@@ -177,27 +179,27 @@ static int v4l2_cleanup (zbar_video_t *v
@@ -177,14 +186,14 @@
/* requesting 0 buffers
* should implicitly disable streaming
*/
@ -579,13 +176,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
vdo->fd = -1;
}
return(0);
}
-static int v4l2_mmap_buffers (zbar_video_t *vdo)
+static int v4l2_v4l2_mmap_buffers (zbar_video_t *vdo)
{
struct v4l2_requestbuffers rb;
memset(&rb, 0, sizeof(rb));
@@ -197,7 +206,7 @@
rb.count = vdo->num_images;
rb.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
rb.memory = V4L2_MEMORY_MMAP;
@ -594,7 +185,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"requesting video frame buffers (VIDIOC_REQBUFS)"));
zprintf(1, "mapping %u buffers (of %d requested)\n",
@@ -216,7 +218,7 @@ static int v4l2_mmap_buffers (zbar_video
@@ -216,7 +225,7 @@
int i;
for(i = 0; i < vdo->num_images; i++) {
vbuf.index = i;
@ -603,7 +194,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
/* FIXME cleanup */
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"querying video buffer (VIDIOC_QUERYBUF)"));
@@ -229,7 +231,7 @@ static int v4l2_mmap_buffers (zbar_video
@@ -229,7 +238,7 @@
zbar_image_t *img = vdo->images[i];
img->datalen = vbuf.length;
@ -612,7 +203,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
vdo->fd, vbuf.m.offset);
if(img->data == MAP_FAILED)
/* FIXME cleanup */
@@ -253,7 +255,7 @@ static int v4l2_set_format (zbar_video_t
@@ -253,7 +262,7 @@
vpix->pixelformat = fmt;
vpix->field = V4L2_FIELD_NONE;
int rc = 0;
@ -621,7 +212,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
/* several broken drivers return an error if we request
* no interlacing (NB v4l2 spec violation)
* ...try again with an interlaced request
@@ -264,7 +266,7 @@ static int v4l2_set_format (zbar_video_t
@@ -264,7 +273,7 @@
/* FIXME this might be _ANY once we can de-interlace */
vpix->field = V4L2_FIELD_INTERLACED;
@ -630,7 +221,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture_int(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"setting format %x (VIDIOC_S_FMT)", fmt));
@@ -276,7 +278,7 @@ static int v4l2_set_format (zbar_video_t
@@ -276,7 +285,7 @@
struct v4l2_pix_format *newpix = &newfmt.fmt.pix;
memset(&newfmt, 0, sizeof(newfmt));
newfmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@ -639,16 +230,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"querying format (VIDIOC_G_FMT)"));
@@ -307,7 +309,7 @@ static int v4l2_init (zbar_video_t *vdo,
if(v4l2_set_format(vdo, fmt))
return(-1);
if(vdo->iomode == VIDEO_MMAP)
- return(v4l2_mmap_buffers(vdo));
+ return(v4l2_v4l2_mmap_buffers(vdo));
return(0);
}
@@ -322,7 +324,7 @@ static int v4l2_probe_iomode (zbar_video
@@ -322,7 +331,7 @@
else
rb.memory = V4L2_MEMORY_USERPTR;
@ -657,7 +239,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
if(vdo->iomode)
return(err_capture_int(vdo, SEV_ERROR, ZBAR_ERR_INVALID, __func__,
"unsupported iomode requested (%d)",
@@ -350,7 +352,7 @@ static inline int v4l2_probe_formats (zb
@@ -350,7 +359,7 @@
memset(&desc, 0, sizeof(desc));
desc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
for(desc.index = 0; desc.index < V4L2_FORMATS_MAX; desc.index++) {
@ -666,7 +248,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
break;
zprintf(2, " [%d] %.4s : %s%s\n",
desc.index, (char*)&desc.pixelformat, desc.description,
@@ -368,7 +370,7 @@ static inline int v4l2_probe_formats (zb
@@ -368,7 +377,7 @@
struct v4l2_pix_format *pix = &fmt.fmt.pix;
memset(&fmt, 0, sizeof(fmt));
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@ -675,7 +257,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"querying current video format (VIDIO_G_FMT)"));
@@ -390,15 +392,15 @@ static inline int v4l2_probe_formats (zb
@@ -390,15 +399,15 @@
maxpix->height = vdo->height;
zprintf(1, "setting requested size: %d x %d\n", vdo->width, vdo->height);
@ -694,7 +276,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"querying current video format (VIDIOC_G_FMT)"));
@@ -420,7 +422,7 @@ static inline int v4l2_reset_crop (zbar_
@@ -420,7 +429,7 @@
struct v4l2_cropcap ccap;
memset(&ccap, 0, sizeof(ccap));
ccap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@ -703,7 +285,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"querying crop support (VIDIOC_CROPCAP)"));
@@ -442,7 +444,7 @@ static inline int v4l2_reset_crop (zbar_
@@ -442,7 +451,7 @@
memset(&crop, 0, sizeof(crop));
crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
crop.c = ccap.defrect;
@ -712,7 +294,7 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
"setting default crop window (VIDIOC_S_CROP)"));
return(0);
@@ -453,7 +455,7 @@ int _zbar_v4l2_probe (zbar_video_t *vdo)
@@ -453,7 +462,7 @@
/* check capabilities */
struct v4l2_capability vcap;
memset(&vcap, 0, sizeof(vcap));
@ -721,35 +303,3 @@ diff --git a/zbar/video/v4l2.c b/zbar/video/v4l2.c
return(err_capture(vdo, SEV_WARNING, ZBAR_ERR_UNSUPPORTED, __func__,
"video4linux version 2 not supported (VIDIOC_QUERYCAP)"));
@@ -507,3 +509,21 @@ int _zbar_v4l2_probe (zbar_video_t *vdo)
vdo->dq = v4l2_dq;
return(0);
}
+
+int _zbar_video_open (zbar_video_t *vdo,
+ const char *dev)
+{
+ vdo->fd = v4l2_open(dev, O_RDWR);
+ if(vdo->fd < 0)
+ return(err_capture_str(vdo, SEV_ERROR, ZBAR_ERR_SYSTEM, __func__,
+ "opening video device '%s'", dev));
+ zprintf(1, "opened camera device %s (fd=%d)\n", dev, vdo->fd);
+
+ int rc = _zbar_v4l2_probe(vdo);
+
+ if(rc && vdo->fd >= 0) {
+ v4l2_close(vdo->fd);
+ vdo->fd = -1;
+ }
+ return(rc);
+}
diff --git a/zbarcam/Makefile.am.inc b/zbarcam/Makefile.am.inc
--- a/zbarcam/Makefile.am.inc
+++ b/zbarcam/Makefile.am.inc
@@ -7,4 +7,6 @@ CLEANFILES += zbarcam/.libs/zbarcam
if WIN32
zbarcam_zbarcam_SOURCES += zbarcam/zbarcam.rc
zbarcam_zbarcam_LDADD += zbarcam/zbarcam-rc.o
+else
+zbarcam_zbarcam_LDADD += -lv4l2
endif

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