diff options
| author | Jean-Francois Moine <moinejf@free.fr> | 2009-03-03 05:33:41 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:43:22 -0300 |
| commit | 71cb2764fcc51bd9e1b95be5b0f2da6f026634c7 (patch) | |
| tree | cad0450231d5b4e7db071396ea5a33dabd3e314e /drivers/media/video/gspca/zc3xx.c | |
| parent | c98afbfc20355dd04a7b817b232e06a4c3e73bac (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/zc3xx.c')
| -rw-r--r-- | drivers/media/video/gspca/zc3xx.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index 4f459a74603..a4c673ff8f0 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 @@ MODULE_LICENSE("GPL"); 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 @@ struct sd { __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 @@ struct sd { #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 @@ static int sd_config(struct gspca_dev *gspca_dev, 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 @@ static int sd_start(struct gspca_dev *gspca_dev) /* 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 @@ static void sd_stop0(struct gspca_dev *gspca_dev) { 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 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, __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) |