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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-03 09:33:41 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-03 09:33:41 +0100 |
| commit | de8c0bf3ec12371150c93adbcd7216b97003305b (patch) | |
| tree | 920a1c382903d7a47254e531c2d9cc9f751b69de /linux/drivers/media/video/gspca/conex.c | |
| parent | 823c2d8d6994da5af8399edffb4472992c90b62e (diff) | |
| download | mediapointer-dvb-s2-de8c0bf3ec12371150c93adbcd7216b97003305b.tar.gz mediapointer-dvb-s2-de8c0bf3ec12371150c93adbcd7216b97003305b.tar.bz2 | |
gspca - most jpeg subdrivers: Change the JPEG header creation.
From: Jean-Francois Moine <moinejf@free.fr>
Priority: normal
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'linux/drivers/media/video/gspca/conex.c')
| -rw-r--r-- | linux/drivers/media/video/gspca/conex.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/linux/drivers/media/video/gspca/conex.c b/linux/drivers/media/video/gspca/conex.c index de2e608bf..fd4df402b 100644 --- a/linux/drivers/media/video/gspca/conex.c +++ b/linux/drivers/media/video/gspca/conex.c @@ -23,7 +23,6 @@ #include "gspca.h" #define CONEX_CAM 1 /* special JPEG header */ -#define QUANT_VAL 0 /* quantization table */ #include "jpeg.h" MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); @@ -37,6 +36,9 @@ struct sd { unsigned char brightness; unsigned char contrast; unsigned char colors; + u8 quality; + + u8 *jpeg_hdr; }; /* V4L2 controls supported by the driver */ @@ -820,6 +822,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->brightness = BRIGHTNESS_DEF; sd->contrast = CONTRAST_DEF; sd->colors = COLOR_DEF; + sd->quality = 40; return 0; } @@ -836,6 +839,14 @@ static int sd_init(struct gspca_dev *gspca_dev) static int sd_start(struct gspca_dev *gspca_dev) { + struct sd *sd = (struct sd *) gspca_dev; + + /* 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); + cx11646_initsize(gspca_dev); cx11646_fw(gspca_dev); cx_sensor(gspca_dev); @@ -846,8 +857,11 @@ static int sd_start(struct gspca_dev *gspca_dev) /* called on streamoff with alt 0 and on disconnect */ static void sd_stop0(struct gspca_dev *gspca_dev) { + struct sd *sd = (struct sd *) gspca_dev; int retry = 50; + kfree(sd->jpeg_hdr); + if (!gspca_dev->present) return; reg_w_val(gspca_dev, 0x0000, 0x00); @@ -873,6 +887,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, __u8 *data, /* isoc packet */ int len) /* iso packet length */ { + struct sd *sd = (struct sd *) gspca_dev; + if (data[0] == 0xff && data[1] == 0xd8) { /* start of frame */ @@ -880,7 +896,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, data, 0); /* 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); data += 2; len -= 2; } |