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yaml
---
r: 44143
b: refs/heads/master
c: c876a34
h: refs/heads/master
i:
  44141: f63bcd2
  44139: 9710094
  44135: ac75c73
  44127: e63348e
v: v3
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Thierry MERLE authored and Mauro Carvalho Chehab committed Dec 10, 2006
1 parent 529b38d commit 7f2b888
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Showing 4 changed files with 27 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f30ebd43597e9b2bbbc8b0eb650f5aad545e255b
refs/heads/master: c876a3468d0f136710af81595177889953d1ff71
1 change: 1 addition & 0 deletions trunk/drivers/media/video/usbvision/usbvision-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ MODULE_PARM_DESC(SwitchSVideoInput, " Set the S-Video input. Some cables and in
#define DBG_ISOC 1<<2
#define DBG_PARSE 1<<3
#define DBG_SCRATCH 1<<4
#define DBG_FUNC 1<<5

static const int max_imgwidth = MAX_FRAME_WIDTH;
static const int max_imgheight = MAX_FRAME_HEIGHT;
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28 changes: 18 additions & 10 deletions trunk/drivers/media/video/usbvision/usbvision-video.c
Original file line number Diff line number Diff line change
Expand Up @@ -92,8 +92,6 @@
#define ENABLE_HEXDUMP 0 /* Enable if you need it */


#define USBVISION_DEBUG /* Turn on debug messages */

#ifdef USBVISION_DEBUG
#define PDEBUG(level, fmt, args...) \
if (video_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args)
Expand All @@ -104,7 +102,7 @@
#define DBG_IOCTL 1<<0
#define DBG_IO 1<<1
#define DBG_PROBE 1<<2
#define DBG_FUNC 1<<3
#define DBG_MMAP 1<<3

//String operations
#define rmspace(str) while(*str==' ') str++;
Expand Down Expand Up @@ -821,7 +819,7 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,

vb->memory = V4L2_MEMORY_MMAP;
vb->field = V4L2_FIELD_NONE;
vb->length = usbvision->max_frame_size;
vb->length = usbvision->curwidth*usbvision->curheight*usbvision->palette.bytes_per_pixel;
vb->timestamp = usbvision->frame[vb->index].timestamp;
vb->sequence = usbvision->frame[vb->index].sequence;
return 0;
Expand Down Expand Up @@ -959,13 +957,14 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*usbvision->curheight;
vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */
PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT w=%d, h=%d, format=%s",
vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc);
return 0;
}
return 0;
default:
PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT invalid type %d",vf->type);
return -EINVAL;
}
PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT w=%d, h=%d",vf->fmt.win.w.width, vf->fmt.win.w.height);
return 0;
}
case VIDIOC_TRY_FMT:
Expand All @@ -991,6 +990,15 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH);
RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT);

vf->fmt.pix.bytesperline = vf->fmt.pix.width*usbvision->palette.bytes_per_pixel;
vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height;

if(cmd == VIDIOC_TRY_FMT) {
PDEBUG(DBG_IOCTL, "VIDIOC_TRY_FMT grabdisplay w=%d, h=%d, format=%s",
vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc);
return 0;
}

/* stop io in case it is already in progress */
if(usbvision->streaming == Stream_On) {
if ((ret = usbvision_stream_interrupt(usbvision)))
Expand Down Expand Up @@ -1133,7 +1141,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
}

if (!(vma->vm_flags & VM_WRITE) ||
size != PAGE_ALIGN(usbvision->max_frame_size)) {
size != PAGE_ALIGN(usbvision->curwidth*usbvision->curheight*usbvision->palette.bytes_per_pixel)) {
up(&usbvision->lock);
return -EINVAL;
}
Expand All @@ -1143,7 +1151,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
break;
}
if (i == USBVISION_NUMFRAMES) {
PDEBUG(DBG_FUNC, "mmap: user supplied mapping address is out of range");
PDEBUG(DBG_MMAP, "mmap: user supplied mapping address is out of range");
up(&usbvision->lock);
return -EINVAL;
}
Expand All @@ -1156,7 +1164,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
while (size > 0) {

if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
PDEBUG(DBG_FUNC, "mmap: vm_insert_page failed");
PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed");
up(&usbvision->lock);
return -EAGAIN;
}
Expand Down Expand Up @@ -2003,7 +2011,7 @@ static int __init usbvision_init(void)
PDEBUG(DBG_IOCTL, "IOCTL debugging is enabled [video]");
PDEBUG(DBG_IO, "IO debugging is enabled [video]");
PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]");
PDEBUG(DBG_FUNC, "FUNC debugging is enabled [video]");
PDEBUG(DBG_MMAP, "MMAP debugging is enabled [video]");

/* disable planar mode support unless compression enabled */
if (isocMode != ISOC_MODE_COMPRESS ) {
Expand Down
7 changes: 7 additions & 0 deletions trunk/drivers/media/video/usbvision/usbvision.h
Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,14 @@
* usbvision header file
*
* Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
* Dwaine Garden <dwainegarden@rogers.com>
*
*
* Report problems to v4l MailingList : http://www.redhat.com/mailman/listinfo/video4linux-list
*
* This module is part of usbvision driver project.
* Updates to driver completed by Dwaine P. Garden
* v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
Expand All @@ -32,6 +37,8 @@
#include <media/tuner.h>
#include <linux/videodev2.h>

#define USBVISION_DEBUG /* Turn on debug messages */

#ifndef VID_HARDWARE_USBVISION
#define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */
#endif
Expand Down

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