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| 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/spca500.c | |
| parent | c98afbfc20355dd04a7b817b232e06a4c3e73bac (diff) | |
| download | kernel_samsung_smdk4412-71cb2764fcc51bd9e1b95be5b0f2da6f026634c7.zip kernel_samsung_smdk4412-71cb2764fcc51bd9e1b95be5b0f2da6f026634c7.tar.gz kernel_samsung_smdk4412-71cb2764fcc51bd9e1b95be5b0f2da6f026634c7.tar.bz2 | |
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/spca500.c')
| -rw-r--r-- | drivers/media/video/gspca/spca500.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/spca500.c b/drivers/media/video/gspca/spca500.c index f446130..2176ac6 100644 --- a/drivers/media/video/gspca/spca500.c +++ b/drivers/media/video/gspca/spca500.c @@ -22,7 +22,6 @@ #define MODULE_NAME "spca500" #include "gspca.h" -#define QUANT_VAL 5 /* quantization table */ #include "jpeg.h" MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); @@ -39,6 +38,7 @@ struct sd { unsigned char brightness; unsigned char contrast; unsigned char colors; + u8 quality; char subtype; #define AgfaCl20 0 @@ -56,6 +56,8 @@ struct sd { #define Optimedia 12 #define PalmPixDC85 13 #define ToptroIndus 14 + + u8 *jpeg_hdr; }; /* V4L2 controls supported by the driver */ @@ -640,6 +642,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->brightness = BRIGHTNESS_DEF; sd->contrast = CONTRAST_DEF; sd->colors = COLOR_DEF; + sd->quality = 85; return 0; } @@ -665,6 +668,12 @@ static int sd_start(struct gspca_dev *gspca_dev) __u8 Data; __u8 xmult, ymult; + /* 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->subtype == LogitechClickSmart310) { xmult = 0x16; ymult = 0x12; @@ -880,6 +889,13 @@ static void sd_stopN(struct gspca_dev *gspca_dev) gspca_dev->usb_buf[0]); } +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 */ @@ -900,7 +916,8 @@ 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); data += SPCA500_OFFSET_DATA; len -= SPCA500_OFFSET_DATA; @@ -1013,6 +1030,7 @@ static struct sd_desc sd_desc = { .init = sd_init, .start = sd_start, .stopN = sd_stopN, + .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, }; |