diff options
author | Jean-Francois Moine <moinejf@free.fr> | 2009-03-02 10:40:52 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 17:43:22 +0200 |
commit | 77ac0baf24d1a43498f7bdf6efa2ee6c4ed0ebaa (patch) | |
tree | d5a6108117df3bbf9f93ce5e69bd29ee386c9945 /drivers/media | |
parent | V4L/DVB (11039): gspca - most jpeg subdrivers: Change the JPEG header creation. (diff) | |
download | linux-77ac0baf24d1a43498f7bdf6efa2ee6c4ed0ebaa.tar.xz linux-77ac0baf24d1a43498f7bdf6efa2ee6c4ed0ebaa.zip |
V4L/DVB (11040): gspca - most jpeg subdrivers: Have the JPEG quality settable.
The JPEG quality of the images (quantization tables) is now settable by the
VIDIOC_S_JPEGCOMP ioctl.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/video/gspca/conex.c | 35 | ||||
-rw-r--r-- | drivers/media/video/gspca/mars.c | 35 | ||||
-rw-r--r-- | drivers/media/video/gspca/sonixj.c | 35 | ||||
-rw-r--r-- | drivers/media/video/gspca/spca500.c | 35 | ||||
-rw-r--r-- | drivers/media/video/gspca/stk014.c | 35 | ||||
-rw-r--r-- | drivers/media/video/gspca/sunplus.c | 35 | ||||
-rw-r--r-- | drivers/media/video/gspca/zc3xx.c | 35 |
7 files changed, 238 insertions, 7 deletions
diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c index fd4df402bc2f..219cfa6fb877 100644 --- a/drivers/media/video/gspca/conex.c +++ b/drivers/media/video/gspca/conex.c @@ -37,6 +37,9 @@ struct sd { unsigned char contrast; unsigned char colors; u8 quality; +#define QUALITY_MIN 30 +#define QUALITY_MAX 60 +#define QUALITY_DEF 40 u8 *jpeg_hdr; }; @@ -822,7 +825,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->brightness = BRIGHTNESS_DEF; sd->contrast = CONTRAST_DEF; sd->colors = COLOR_DEF; - sd->quality = 40; + sd->quality = QUALITY_DEF; return 0; } @@ -1000,6 +1003,34 @@ static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -1010,6 +1041,8 @@ static struct sd_desc sd_desc = { .start = sd_start, .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index 6eb813e7b714..75e8d14e4ac7 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -37,6 +37,9 @@ struct sd { u8 gamma; u8 sharpness; u8 quality; +#define QUALITY_MIN 40 +#define QUALITY_MAX 70 +#define QUALITY_DEF 50 u8 *jpeg_hdr; }; @@ -178,7 +181,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->colors = COLOR_DEF; sd->gamma = GAMMA_DEF; sd->sharpness = SHARPNESS_DEF; - sd->quality = 50; + sd->quality = QUALITY_DEF; gspca_dev->nbalt = 9; /* use the altsetting 08 */ return 0; } @@ -445,6 +448,34 @@ static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -456,6 +487,8 @@ static const struct sd_desc sd_desc = { .stopN = sd_stopN, .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 363c0fa39d9e..7d0d949b72ba 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -47,6 +47,9 @@ struct sd { u8 vflip; /* ov7630/ov7648 only */ u8 infrared; /* mt9v111 only */ u8 quality; /* image quality */ +#define QUALITY_MIN 60 +#define QUALITY_MAX 95 +#define QUALITY_DEF 80 u8 jpegqual; /* webcam quality */ u8 reg18; @@ -1295,7 +1298,7 @@ static int sd_config(struct gspca_dev *gspca_dev, else sd->vflip = 1; sd->infrared = INFRARED_DEF; - sd->quality = 80; + sd->quality = QUALITY_DEF; sd->jpegqual = 80; gspca_dev->ctrl_dis = ctrl_dis[sd->sensor]; @@ -2130,6 +2133,34 @@ static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -2142,6 +2173,8 @@ static const struct sd_desc sd_desc = { .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, .dq_callback = do_autogain, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ diff --git a/drivers/media/video/gspca/spca500.c b/drivers/media/video/gspca/spca500.c index 2176ac6850e3..6f38fa6d86b6 100644 --- a/drivers/media/video/gspca/spca500.c +++ b/drivers/media/video/gspca/spca500.c @@ -39,6 +39,9 @@ struct sd { unsigned char contrast; unsigned char colors; u8 quality; +#define QUALITY_MIN 70 +#define QUALITY_MAX 95 +#define QUALITY_DEF 85 char subtype; #define AgfaCl20 0 @@ -642,7 +645,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->brightness = BRIGHTNESS_DEF; sd->contrast = CONTRAST_DEF; sd->colors = COLOR_DEF; - sd->quality = 85; + sd->quality = QUALITY_DEF; return 0; } @@ -1021,6 +1024,34 @@ static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -1032,6 +1063,8 @@ static struct sd_desc sd_desc = { .stopN = sd_stopN, .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ diff --git a/drivers/media/video/gspca/stk014.c b/drivers/media/video/gspca/stk014.c index dd007cb52006..f25be20cf1a6 100644 --- a/drivers/media/video/gspca/stk014.c +++ b/drivers/media/video/gspca/stk014.c @@ -36,6 +36,9 @@ struct sd { unsigned char colors; unsigned char lightfreq; u8 quality; +#define QUALITY_MIN 60 +#define QUALITY_MAX 95 +#define QUALITY_DEF 80 u8 *jpeg_hdr; }; @@ -301,7 +304,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->contrast = CONTRAST_DEF; sd->colors = COLOR_DEF; sd->lightfreq = FREQ_DEF; - sd->quality = 80; + sd->quality = QUALITY_DEF; return 0; } @@ -535,6 +538,34 @@ static int sd_querymenu(struct gspca_dev *gspca_dev, return -EINVAL; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -547,6 +578,8 @@ static const struct sd_desc sd_desc = { .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, .querymenu = sd_querymenu, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c index eadfaa9f97d2..c2b8c10c075a 100644 --- a/drivers/media/video/gspca/sunplus.c +++ b/drivers/media/video/gspca/sunplus.c @@ -40,6 +40,9 @@ struct sd { unsigned char colors; unsigned char autogain; u8 quality; +#define QUALITY_MIN 70 +#define QUALITY_MAX 95 +#define QUALITY_DEF 85 char bridge; #define BRIDGE_SPCA504 0 @@ -854,7 +857,7 @@ 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; + sd->quality = QUALITY_DEF; return 0; } @@ -1319,6 +1322,34 @@ static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -1330,6 +1361,8 @@ static const struct sd_desc sd_desc = { .stopN = sd_stopN, .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index a4c673ff8f02..e4c27a1e1e29 100644 --- a/drivers/media/video/gspca/zc3xx.c +++ b/drivers/media/video/gspca/zc3xx.c @@ -46,6 +46,9 @@ struct sd { __u8 lightfreq; __u8 sharpness; u8 quality; /* image quality */ +#define QUALITY_MIN 40 +#define QUALITY_MAX 60 +#define QUALITY_DEF 50 signed char sensor; /* Type of image sensor chip */ /* !! values used in different tables */ @@ -7180,7 +7183,7 @@ 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; + sd->quality = QUALITY_DEF; switch (sd->sensor) { case SENSOR_GC0305: @@ -7536,6 +7539,34 @@ static int sd_querymenu(struct gspca_dev *gspca_dev, return -EINVAL; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + static const struct sd_desc sd_desc = { .name = MODULE_NAME, .ctrls = sd_ctrls, @@ -7546,6 +7577,8 @@ static const struct sd_desc sd_desc = { .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, .querymenu = sd_querymenu, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; static const __devinitdata struct usb_device_id device_table[] = { |