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>
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 4f459a7..a4c673f 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -23,6 +23,7 @@
#define MODULE_NAME "zc3xx"
#include "gspca.h"
+#include "jpeg.h"
MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>, "
"Serge A. Suchkov <Serge.A.S@tochka.ru>");
@@ -32,7 +33,6 @@
static int force_sensor = -1;
#define QUANT_VAL 1 /* quantization table */
-#include "jpeg.h"
#include "zc3xx-reg.h"
/* specific webcam descriptor */
@@ -45,6 +45,7 @@
__u8 autogain;
__u8 lightfreq;
__u8 sharpness;
+ u8 quality; /* image quality */
signed char sensor; /* Type of image sensor chip */
/* !! values used in different tables */
@@ -69,6 +70,8 @@
#define SENSOR_TAS5130C_VF0250 17
#define SENSOR_MAX 18
unsigned short chip_revision;
+
+ u8 *jpeg_hdr;
};
/* V4L2 controls supported by the driver */
@@ -7177,6 +7180,7 @@
sd->gamma = gamma[(int) sd->sensor];
sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
sd->lightfreq = sd_ctrls[SD_FREQ].qctrl.default_value;
+ sd->quality = 50;
switch (sd->sensor) {
case SENSOR_GC0305:
@@ -7232,6 +7236,12 @@
/* 17 */
};
+ /* create the JPEG header */
+ sd->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
+ jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
+ 0x21); /* JPEG 422 */
+ jpeg_set_qual(sd->jpeg_hdr, sd->quality);
+
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
zc3_init = init_tb[(int) sd->sensor][mode];
switch (sd->sensor) {
@@ -7365,6 +7375,7 @@
{
struct sd *sd = (struct sd *) gspca_dev;
+ kfree(sd->jpeg_hdr);
if (!gspca_dev->present)
return;
send_unknown(gspca_dev->dev, sd->sensor);
@@ -7375,12 +7386,15 @@
__u8 *data,
int len)
{
+ struct sd *sd = (struct sd *) gspca_dev;
if (data[0] == 0xff && data[1] == 0xd8) { /* start of frame */
frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
data, 0);
/* put the JPEG header in the new frame */
- jpeg_put_header(gspca_dev, frame, 0x21);
+ gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+ sd->jpeg_hdr, JPEG_HDR_SZ);
+
/* remove the webcam's header:
* ff d8 ff fe 00 0e 00 00 ss ss 00 01 ww ww hh hh pp pp
* - 'ss ss' is the frame sequence number (BE)