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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-07-09 22:49:32 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-09 22:49:32 -0300
commit01c235ac360b8150c04a265f7b9ba1a107d02d87 (patch)
tree6047e67376ce92faf0da33a833c5bce3d205812d /v4l2-apps/lib
parente9314ad63401c89bffe82b165eb7ae630c05a75d (diff)
parent392c43e11f7a7100ac5a3ca447669e23f2e835dd (diff)
downloadmediapointer-dvb-s2-01c235ac360b8150c04a265f7b9ba1a107d02d87.tar.gz
mediapointer-dvb-s2-01c235ac360b8150c04a265f7b9ba1a107d02d87.tar.bz2
merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-compat
From: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'v4l2-apps/lib')
-rw-r--r--v4l2-apps/lib/libv4l/ChangeLog4
-rw-r--r--v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h9
-rw-r--r--v4l2-apps/lib/libv4l/libv4l1/libv4l1.c2
3 files changed, 12 insertions, 3 deletions
diff --git a/v4l2-apps/lib/libv4l/ChangeLog b/v4l2-apps/lib/libv4l/ChangeLog
index 14c5625a1..def38e046 100644
--- a/v4l2-apps/lib/libv4l/ChangeLog
+++ b/v4l2-apps/lib/libv4l/ChangeLog
@@ -1,5 +1,5 @@
-libv4l-0.3.4
-------------
+libv4l-0.3.4 (the brownpaperbag release)
+----------------------------------------
* The mmap64 support in 0.3.3, has caused a bug in libv4l1 when running on
32 bit systems (who uses those now a days?), this bug caused v4l1
compatibility to not work at all, this release fixes this
diff --git a/v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h b/v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h
index e107581d1..e09041256 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h
+++ b/v4l2-apps/lib/libv4l/libv4l1/libv4l1-priv.h
@@ -22,6 +22,15 @@
#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
+
#define V4L1_MAX_DEVICES 16
#define V4L1_NO_FRAMES 4
#define V4L1_FRAME_BUF_SIZE (4096 * 4096)
diff --git a/v4l2-apps/lib/libv4l/libv4l1/libv4l1.c b/v4l2-apps/lib/libv4l/libv4l1/libv4l1.c
index 40e4b2aa1..b80fcb56d 100644
--- a/v4l2-apps/lib/libv4l/libv4l1/libv4l1.c
+++ b/v4l2-apps/lib/libv4l/libv4l1/libv4l1.c
@@ -644,7 +644,7 @@ 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_mmap, NULL,
+ devices[index].v4l1_frame_pointer = (void *)syscall(SYS_mmap2, NULL,
(size_t)mbuf->size,
PROT_READ|PROT_WRITE,
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);