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authorJean-Francois Moine <moinejf@free.fr>2009-03-03 05:33:41 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:43:22 -0300
commit71cb2764fcc51bd9e1b95be5b0f2da6f026634c7 (patch)
treecad0450231d5b4e7db071396ea5a33dabd3e314e /drivers/media/video/gspca/sunplus.c
parentc98afbfc20355dd04a7b817b232e06a4c3e73bac (diff)
V4L/DVB (11039): gspca - most jpeg subdrivers: Change the JPEG header creation.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/sunplus.c')
-rw-r--r--drivers/media/video/gspca/sunplus.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c
index 9d08a66fe23..eadfaa9f97d 100644
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -22,7 +22,6 @@
#define MODULE_NAME "sunplus"
#include "gspca.h"
-#define QUANT_VAL 5 /* quantization table */
#include "jpeg.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
@@ -40,6 +39,7 @@ struct sd {
unsigned char contrast;
unsigned char colors;
unsigned char autogain;
+ u8 quality;
char bridge;
#define BRIDGE_SPCA504 0
@@ -52,6 +52,8 @@ struct sd {
#define LogitechClickSmart420 2
#define LogitechClickSmart820 3
#define MegapixV4 4
+
+ u8 *jpeg_hdr;
};
/* V4L2 controls supported by the driver */
@@ -852,6 +854,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value;
+ sd->quality = 85;
return 0;
}
@@ -968,6 +971,12 @@ static int sd_start(struct gspca_dev *gspca_dev)
__u8 i;
__u8 info[6];
+ /* create the JPEG header */
+ sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
+ jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
+ 0x22); /* JPEG 411 */
+ jpeg_set_qual(sd->jpeg_hdr, sd->quality);
+
if (sd->bridge == BRIDGE_SPCA504B)
spca504B_setQtable(gspca_dev);
spca504B_SetSizeType(gspca_dev);
@@ -1077,6 +1086,13 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
}
}
+static void sd_stop0(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ kfree(sd->jpeg_hdr);
+}
+
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
struct gspca_frame *frame, /* target */
__u8 *data, /* isoc packet */
@@ -1153,7 +1169,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
ffd9, 2);
/* put the JPEG header in the new frame */
- jpeg_put_header(gspca_dev, frame, 0x22);
+ gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+ sd->jpeg_hdr, JPEG_HDR_SZ);
}
/* add 0x00 after 0xff */
@@ -1311,6 +1328,7 @@ static const struct sd_desc sd_desc = {
.init = sd_init,
.start = sd_start,
.stopN = sd_stopN,
+ .stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
};