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V4L/DVB (7022): Fix timestamp presentation on vivi driver

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Due to date overflow, vivi were not working fine anymore.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-01-13 19:36:11 -03:00
parent c8793b035d
commit dfd8c04ec1
1 changed files with 8 additions and 7 deletions
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15
drivers/media/video/vivi.c
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@ -173,7 +173,8 @@ struct vivi_dev {
struct vivi_dmaqueue vidq;
/* Several counters */
int h, m, s, us, jiffies;
int h, m, s, ms;
unsigned long jiffies;
char timestr[13];
int mv_count; /* Controls bars movement */
@ -348,10 +349,10 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
/* Updates stream time */
dev->us += jiffies_to_usecs(jiffies-dev->jiffies);
dev->ms += jiffies_to_msecs(jiffies-dev->jiffies);
dev->jiffies = jiffies;
if (dev->us >= 1000000) {
dev->us -= 1000000;
if (dev->ms >= 1000) {
dev->ms -= 1000;
dev->s++;
if (dev->s >= 60) {
dev->s -= 60;
@ -365,7 +366,7 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
}
}
sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
dev->h, dev->m, dev->s, (dev->us + 500) / 1000);
dev->h, dev->m, dev->s, dev->ms);
dprintk(dev, 2, "vivifill at %s: Buffer 0x%08lx size= %d\n",
dev->timestr, (unsigned long)tmpbuf, pos);
@ -1073,11 +1074,11 @@ static int vivi_open(struct inode *inode, struct file *file)
dev->h = 0;
dev->m = 0;
dev->s = 0;
dev->us = 0;
dev->ms = 0;
dev->mv_count = 0;
dev->jiffies = jiffies;
sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
dev->h, dev->m, dev->s, (dev->us + 500) / 1000);
dev->h, dev->m, dev->s, dev->ms);
videobuf_queue_vmalloc_init(&fh->vb_vidq, &vivi_video_qops,
NULL, &dev->slock, fh->type, V4L2_FIELD_INTERLACED,