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| author | Michael H. Schimek <mschimek@gmx.at> | 2005-12-01 11:51:33 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-02 02:48:57 +0300 |
| commit | c87c948ebd75525df4d67dd5b40e6ea81859cc17 (patch) | |
| tree | c84d2b6b707407e3468a94068047c105f3e347bd /drivers/media | |
| parent | 50ab5edc973c979e8f620e09d20b96761d271894 (diff) | |
| download | linux-c87c948ebd75525df4d67dd5b40e6ea81859cc17.tar.xz | |
[PATCH] V4L: Bttv bytes per line fix
bttv bytes per line fix.
Signed-off-by: Michael H. Schimek <mschimek@gmx.at>
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/bttv-driver.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c index f9d581cd31db..fdaff5bd6331 100644 --- a/drivers/media/video/bttv-driver.c +++ b/drivers/media/video/bttv-driver.c @@ -2029,19 +2029,33 @@ static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type) return 0; } +static void +pix_format_set_size (struct v4l2_pix_format * f, + const struct bttv_format * fmt, + unsigned int width, + unsigned int height) +{ + f->width = width; + f->height = height; + + if (fmt->flags & FORMAT_FLAGS_PLANAR) { + f->bytesperline = width; /* Y plane */ + f->sizeimage = (width * height * fmt->depth) >> 3; + } else { + f->bytesperline = (width * fmt->depth) >> 3; + f->sizeimage = height * f->bytesperline; + } +} + static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f) { switch (f->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format)); - f->fmt.pix.width = fh->width; - f->fmt.pix.height = fh->height; + pix_format_set_size (&f->fmt.pix, fh->fmt, + fh->width, fh->height); f->fmt.pix.field = fh->cap.field; f->fmt.pix.pixelformat = fh->fmt->fourcc; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * fh->fmt->depth) >> 3; - f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; return 0; case V4L2_BUF_TYPE_VIDEO_OVERLAY: memset(&f->fmt.win,0,sizeof(struct v4l2_window)); @@ -2106,11 +2120,9 @@ static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv, f->fmt.pix.width = maxw; if (f->fmt.pix.height > maxh) f->fmt.pix.height = maxh; - f->fmt.pix.width &= ~0x03; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * fmt->depth) >> 3; - f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; + pix_format_set_size (&f->fmt.pix, fmt, + f->fmt.pix.width & ~3, + f->fmt.pix.height); return 0; } |