V4L/DVB (8834): gspca: Have a bigger buffer for sn9c10x compressed images.
authorHans de Goede <j.w.r.degoede@hhs.nl>
Wed, 3 Sep 2008 20:12:22 +0000 (17:12 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Wed, 3 Sep 2008 21:37:48 +0000 (18:37 -0300)
Under certain conditions sonixb compressed frame size can get bigger then
the uncompressed size (seen with 0c45:6028), so make the buffers slightly
bigger.

Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/gspca/sonixb.c

index 8eaeaa3..346305b 100644 (file)
@@ -207,29 +207,29 @@ static struct ctrl sd_ctrls[] = {
 static struct v4l2_pix_format vga_mode[] = {
        {160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
                .bytesperline = 160,
-               .sizeimage = 160 * 120,
+               .sizeimage = 160 * 120 * 5 / 4,
                .colorspace = V4L2_COLORSPACE_SRGB,
                .priv = 2},
        {320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
                .bytesperline = 320,
-               .sizeimage = 320 * 240,
+               .sizeimage = 320 * 240 * 5 / 4,
                .colorspace = V4L2_COLORSPACE_SRGB,
                .priv = 1},
        {640, 480, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
                .bytesperline = 640,
-               .sizeimage = 640 * 480,
+               .sizeimage = 640 * 480 * 5 / 4,
                .colorspace = V4L2_COLORSPACE_SRGB,
                .priv = 0},
 };
 static struct v4l2_pix_format sif_mode[] = {
        {176, 144, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
                .bytesperline = 176,
-               .sizeimage = 176 * 144,
+               .sizeimage = 176 * 144 * 5 / 4,
                .colorspace = V4L2_COLORSPACE_SRGB,
                .priv = 1},
        {352, 288, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
                .bytesperline = 352,
-               .sizeimage = 352 * 288,
+               .sizeimage = 352 * 288 * 5 / 4,
                .colorspace = V4L2_COLORSPACE_SRGB,
                .priv = 0},
 };