diff --git a/consts.go b/consts.go
index 6f1cb7b..b61a406 100644
--- a/consts.go
+++ b/consts.go
@@ -13,17 +13,17 @@ const (

 	V4L2_MEMORY_MMAP = 1

-	VIDIOC_DQBUF       = 0xc0445611
-	VIDIOC_QBUF        = 0xc044560f
-	VIDIOC_QUERYBUF    = 0xc0445609
-	VIDIOC_QUERYCAP    = 0x80685600
-	VIDIOC_REQBUFS     = 0xc0145608
-	VIDIOC_G_EXT_CTRLS = 0xc0185647
-	VIDIOC_S_EXT_CTRLS = 0xc0185648
-	VIDIOC_S_FMT       = 0xc0cc5605
-	VIDIOC_STREAMON    = 0x40045612
-	VIDIOC_STREAMOFF   = 0x40045613
-	VIDIOC_S_CTRL      = 0xc008561c
+	VIDIOC_DQBUF = 0xc0585611
+	VIDIOC_QBUF = 0xc058560f
+	VIDIOC_QUERYBUF = 0xc0585609
+	VIDIOC_QUERYCAP = 0x80685600
+	VIDIOC_REQBUFS  = 0xc0145608
+	VIDIOC_G_EXT_CTRLS = 0xc0205647
+	VIDIOC_S_EXT_CTRLS = 0xc0205648
+	VIDIOC_S_FMT     = 0xc0d05605
+	VIDIOC_STREAMON  = 0x40045612
+	VIDIOC_STREAMOFF = 0x40045613
+	VIDIOC_S_CTRL    = 0xc008561c
 )

 // Controls (from linux/v4l2-controls.h)
diff --git a/device.go b/device.go
index d6172eb..719d9b7 100644
--- a/device.go
+++ b/device.go
@@ -5,6 +5,7 @@ package v4l2
 import (
 	"io"
 	"syscall"
+
 	"unsafe"

 	"golang.org/x/sys/unix"
@@ -91,7 +92,6 @@ func (dev *Device) Start() error {
 	if err := requestBuffers(dev.fd, len(dev.buffers)); nil != err {
 		return err
 	}
-
 	// For each buffer...
 	for i := 0; i < len(dev.buffers); i++ {
 		// Get length and offset of i-th buffer
@@ -99,7 +99,6 @@ func (dev *Device) Start() error {
 		if nil != err {
 			return err
 		}
-
 		// Memory map i-th buffer to user-space
 		if dev.buffers[i], err = unix.Mmap(
 			dev.fd,
@@ -127,7 +126,6 @@ func (dev *Device) Start() error {
 				}
 				return
 			}
-
 			// Write buffer to channel
 			// Note: Zero-copy. Slice bounds are written, not contents.
 			dev.C <- Buffer{
@@ -216,7 +214,6 @@ func queryBuffer(fd int, n uint32) (length, offset uint32, err error) {
 	if err = ioctl(fd, VIDIOC_QUERYBUF, unsafe.Pointer(&qb)); err != nil {
 		return
 	}
-
 	length = qb.length
 	offset = nativeEndian.Uint32(qb.m[0:4])
 	return
diff --git a/structs.go b/structs.go
index 5728731..5384ba4 100644
--- a/structs.go
+++ b/structs.go
@@ -5,7 +5,7 @@ package v4l2
 import "unsafe"

 const (
-	maxSizeBufferDotM         = 4
+	maxSizeBufferDotM         = 8
 	maxSizeExtControlDotValue = 8
 	maxSizeFormatDotFmt       = 200
 	sizePixFormat             = 48
@@ -37,7 +37,7 @@ type v4l2_pix_format struct {
 }

 type v4l2_format struct {
-	typ uint32
+	typ uint64
 	fmt [maxSizeFormatDotFmt]byte // union
 }

@@ -47,10 +47,12 @@ type v4l2_control struct {
 }

 type v4l2_requestbuffers struct {
-	count    uint32
-	typ      uint32
-	memory   uint32
-	reserved [2]uint32
+	count        uint32
+	typ          uint32
+	memory       uint32
+	capabilities uint32
+	flags        uint8
+	reserved     [3]uint8
 }

 type v4l2_timecode struct {
@@ -64,8 +66,8 @@ type v4l2_timecode struct {
 }

 type timeval struct {
-	tv_sec  uint32
-	tv_usec uint32
+	tv_sec  uint64
+	tv_usec uint64
 }

 type v4l2_buffer struct {