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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-09-22 09:01:33 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-10 07:02:54 +0400 |
| commit | 3bef5e4a1f73898dc8c8433f938d3a8b22f2be22 (patch) | |
| tree | d1243b7734cd1058719e87ee233538dbc718e284 /drivers/media/video/vivi.c | |
| parent | 123f8ef64e3996e06a930756b6b2cdede4b18da0 (diff) | |
| download | linux-3bef5e4a1f73898dc8c8433f938d3a8b22f2be22.tar.xz | |
V4L/DVB (6264): Make the vertical lines to move
While this is not the standard color bar behaviour, having some movement
there allows to check if buffers are being properly handled.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/vivi.c')
| -rw-r--r-- | drivers/media/video/vivi.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 01c977671311..650e959aeb78 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -229,9 +229,8 @@ static u8 bars[8][3] = { #define TSTAMP_MAX_Y TSTAMP_MIN_Y+15 #define TSTAMP_MIN_X 64 - static void gen_line(char *basep,int inipos,int wmax, - int hmax, int line, char *timestr) + int hmax, int line, int count, char *timestr) { int w,i,j,pos=inipos,y; char *p,*s; @@ -242,9 +241,10 @@ static void gen_line(char *basep,int inipos,int wmax, /* Generate a standard color bar pattern */ for (w=0;w<wmax;w++) { - r=bars[w*7/wmax][0]; - g=bars[w*7/wmax][1]; - b=bars[w*7/wmax][2]; + int colorpos=((w+count)*8/(wmax+1)) % 8; + r=bars[colorpos][0]; + g=bars[colorpos][1]; + b=bars[colorpos][2]; for (color=0;color<4;color++) { p=basep+pos; @@ -327,18 +327,23 @@ static void vivi_fillbuff(struct vivi_dev *dev,struct vivi_buffer *buf) struct timeval ts; char *tmpbuf = kmalloc(wmax*2,GFP_KERNEL); void *vbuf=videobuf_to_vmalloc (&buf->vb); + /* FIXME: move to dev struct */ + static int mv_count=0; if (!tmpbuf) return; for (h=0;h<hmax;h++) { - gen_line(tmpbuf,0,wmax,hmax,h,dev->timestr); + gen_line(tmpbuf,0,wmax,hmax,h,mv_count, + dev->timestr); /* FIXME: replacing to __copy_to_user */ if (copy_to_user(vbuf+pos,tmpbuf,wmax*2)!=0) dprintk(2,"vivifill copy_to_user failed.\n"); pos += wmax*2; } + mv_count++; + kfree(tmpbuf); /* Updates stream time */ |