diff options
| author | Dean Anderson <dean@sensoray.com> | 2009-05-15 19:32:04 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-16 23:21:12 +0200 |
| commit | 7d8535329c4e620c155895a33e1bcc47239858b8 (patch) | |
| tree | 41f6ec10be0ddff14429cdce4deda093ae5e5ca0 /drivers/media/video/s2255drv.c | |
| parent | V4L/DVB (11838): uvcvideo: Add Lenovo Thinkpad SL400 to device list comments (diff) | |
| download | linux-7d8535329c4e620c155895a33e1bcc47239858b8.tar.xz linux-7d8535329c4e620c155895a33e1bcc47239858b8.zip | |
V4L/DVB (11851): patch: s2255drv: adding V4L2_MODE_HIGHQUALITY
Adding V4L2_MODE_HIGHQUALITY feature.
Signed-off-by: Dean Anderson <dean@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s2255drv.c')
| -rw-r--r-- | drivers/media/video/s2255drv.c | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index 90e1dbc1aa89..f08939c1f164 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -109,6 +109,8 @@ #define SCALE_4CIFS 1 /* 640x480(NTSC) or 704x576(PAL) */ #define SCALE_2CIFS 2 /* 640x240(NTSC) or 704x288(PAL) */ #define SCALE_1CIFS 3 /* 320x240(NTSC) or 352x288(PAL) */ +/* SCALE_4CIFSI is the 2 fields interpolated into one */ +#define SCALE_4CIFSI 4 /* 640x480(NTSC) or 704x576(PAL) high quality */ #define COLOR_YUVPL 1 /* YUV planar */ #define COLOR_YUVPK 2 /* YUV packed */ @@ -238,6 +240,8 @@ struct s2255_dev { struct s2255_mode mode[MAX_CHANNELS]; /* jpeg compression */ struct v4l2_jpegcompression jc[MAX_CHANNELS]; + /* capture parameters (for high quality mode full size) */ + struct v4l2_captureparm cap_parm[MAX_CHANNELS]; const struct s2255_fmt *cur_fmt[MAX_CHANNELS]; int cur_frame[MAX_CHANNELS]; int last_frame[MAX_CHANNELS]; @@ -1020,9 +1024,16 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, fh->type = f->type; norm = norm_minw(fh->dev->vdev[fh->channel]); if (fh->width > norm_minw(fh->dev->vdev[fh->channel])) { - if (fh->height > norm_minh(fh->dev->vdev[fh->channel])) - fh->mode.scale = SCALE_4CIFS; - else + if (fh->height > norm_minh(fh->dev->vdev[fh->channel])) { + if (fh->dev->cap_parm[fh->channel].capturemode & + V4L2_MODE_HIGHQUALITY) { + fh->mode.scale = SCALE_4CIFSI; + dprintk(2, "scale 4CIFSI\n"); + } else { + fh->mode.scale = SCALE_4CIFS; + dprintk(2, "scale 4CIFS\n"); + } + } else fh->mode.scale = SCALE_2CIFS; } else { @@ -1123,6 +1134,7 @@ static u32 get_transfer_size(struct s2255_mode *mode) if (mode->format == FORMAT_NTSC) { switch (mode->scale) { case SCALE_4CIFS: + case SCALE_4CIFSI: linesPerFrame = NUM_LINES_4CIFS_NTSC * 2; pixelsPerLine = LINE_SZ_4CIFS_NTSC; break; @@ -1140,6 +1152,7 @@ static u32 get_transfer_size(struct s2255_mode *mode) } else if (mode->format == FORMAT_PAL) { switch (mode->scale) { case SCALE_4CIFS: + case SCALE_4CIFSI: linesPerFrame = NUM_LINES_4CIFS_PAL * 2; pixelsPerLine = LINE_SZ_4CIFS_PAL; break; @@ -1495,6 +1508,33 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv, dprintk(2, "setting jpeg quality %d\n", jc->quality); return 0; } + +static int vidioc_g_parm(struct file *file, void *priv, + struct v4l2_streamparm *sp) +{ + struct s2255_fh *fh = priv; + struct s2255_dev *dev = fh->dev; + if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + sp->parm.capture.capturemode = dev->cap_parm[fh->channel].capturemode; + dprintk(2, "getting parm %d\n", sp->parm.capture.capturemode); + return 0; +} + +static int vidioc_s_parm(struct file *file, void *priv, + struct v4l2_streamparm *sp) +{ + struct s2255_fh *fh = priv; + struct s2255_dev *dev = fh->dev; + + if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + dev->cap_parm[fh->channel].capturemode = sp->parm.capture.capturemode; + dprintk(2, "setting param capture mode %d\n", + sp->parm.capture.capturemode); + return 0; +} static int s2255_open(struct file *file) { int minor = video_devdata(file)->minor; @@ -1786,6 +1826,8 @@ static const struct v4l2_ioctl_ops s2255_ioctl_ops = { #endif .vidioc_s_jpegcomp = vidioc_s_jpegcomp, .vidioc_g_jpegcomp = vidioc_g_jpegcomp, + .vidioc_s_parm = vidioc_s_parm, + .vidioc_g_parm = vidioc_g_parm, }; static struct video_device template = { |