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authorJean-Fran├žois Moine <moinejf@free.fr>2010-09-13 08:26:35 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-10-21 03:05:54 (GMT)
commit9b1d3caea9a531595f7524be94f0bb25897b887e (patch)
tree7e812a84800aabe97ab4cdc54a4532e34d469ecb
parentb1e4665b667bcec77d62742fa9238aeac3cb4232 (diff)
V4L/DVB: gspca - sn9c20x: Better image sizes
When compressed, the images take less than one byte per pixel. Signed-off-by: Jean-Fran├žois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/gspca/sn9c20x.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 4f8ad37..53ed0f7 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -348,7 +348,7 @@ static const struct ctrl sd_ctrls[] = {
static const struct v4l2_pix_format vga_mode[] = {
{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 240 * 120,
+ .sizeimage = 160 * 120 * 4 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 0 | MODE_JPEG},
{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -363,7 +363,7 @@ static const struct v4l2_pix_format vga_mode[] = {
.priv = 0},
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 480 * 240 ,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1 | MODE_JPEG},
{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -378,7 +378,7 @@ static const struct v4l2_pix_format vga_mode[] = {
.priv = 1},
{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 640,
- .sizeimage = 960 * 480,
+ .sizeimage = 640 * 480 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 2 | MODE_JPEG},
{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -396,7 +396,7 @@ static const struct v4l2_pix_format vga_mode[] = {
static const struct v4l2_pix_format sxga_mode[] = {
{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 160,
- .sizeimage = 240 * 120,
+ .sizeimage = 160 * 120 * 4 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 0 | MODE_JPEG},
{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -411,7 +411,7 @@ static const struct v4l2_pix_format sxga_mode[] = {
.priv = 0},
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320,
- .sizeimage = 480 * 240 ,
+ .sizeimage = 320 * 240 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 1 | MODE_JPEG},
{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -426,7 +426,7 @@ static const struct v4l2_pix_format sxga_mode[] = {
.priv = 1},
{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 640,
- .sizeimage = 960 * 480,
+ .sizeimage = 640 * 480 * 3 / 8 + 590,
.colorspace = V4L2_COLORSPACE_JPEG,
.priv = 2 | MODE_JPEG},
{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -441,7 +441,7 @@ static const struct v4l2_pix_format sxga_mode[] = {
.priv = 2},
{1280, 1024, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
.bytesperline = 1280,
- .sizeimage = (1280 * 1024) + 64,
+ .sizeimage = 1280 * 1024,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 3 | MODE_RAW | MODE_SXGA},
};

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