From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
This is global information, not per-filehandle information.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/common/saa7146_fops.c | 10 +++++++++
drivers/media/common/saa7146_hlp.c | 23 +++++++++++----------
drivers/media/common/saa7146_video.c | 37 ++++++++++++++++++----------------
include/media/saa7146_vv.h | 5 +----
4 files changed, 43 insertions(+), 32 deletions(-)
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index 734ea6c..05818ec 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -436,6 +436,7 @@ static const struct v4l2_ctrl_ops saa7146_ctrl_ops = {
int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
{
struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
+ struct v4l2_pix_format *fmt;
struct saa7146_vv *vv;
int err;
@@ -496,6 +497,15 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
saa7146_vbi_uops.init(dev,vv);
+ fmt = &vv->ov_fb.fmt;
+ fmt->width = vv->standard->h_max_out;
+ fmt->height = vv->standard->v_max_out;
+ fmt->pixelformat = V4L2_PIX_FMT_RGB565;
+ fmt->bytesperline = 2 * fmt->width;
+ fmt->sizeimage = fmt->bytesperline * fmt->height;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ vv->ov_fb.capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+ vv->ov_fb.flags = V4L2_FBUF_FLAG_PRIMARY;
dev->vv_data = vv;
dev->vv_callback = &vv_callback;
diff --git a/drivers/media/common/saa7146_hlp.c b/drivers/media/common/saa7146_hlp.c
index bc1f545..be746d1 100644
--- a/drivers/media/common/saa7146_hlp.c
+++ b/drivers/media/common/saa7146_hlp.c
@@ -343,9 +343,9 @@ static void calculate_clipping_registers_rect(struct saa7146_dev *dev, struct sa
struct saa7146_vv *vv = dev->vv_data;
__le32 *clipping = vv->d_clipping.cpu_addr;
- int width = fh->ov.win.w.width;
- int height = fh->ov.win.w.height;
- int clipcount = fh->ov.nclips;
+ int width = vv->ov.win.w.width;
+ int height = vv->ov.win.w.height;
+ int clipcount = vv->ov.nclips;
u32 line_list[32];
u32 pixel_list[32];
@@ -365,10 +365,10 @@ static void calculate_clipping_registers_rect(struct saa7146_dev *dev, struct sa
for(i = 0; i < clipcount; i++) {
int l = 0, r = 0, t = 0, b = 0;
- x[i] = fh->ov.clips[i].c.left;
- y[i] = fh->ov.clips[i].c.top;
- w[i] = fh->ov.clips[i].c.width;
- h[i] = fh->ov.clips[i].c.height;
+ x[i] = vv->ov.clips[i].c.left;
+ y[i] = vv->ov.clips[i].c.top;
+ w[i] = vv->ov.clips[i].c.width;
+ h[i] = vv->ov.clips[i].c.height;
if( w[i] < 0) {
x[i] += w[i]; w[i] = -w[i];
@@ -485,13 +485,14 @@ static void saa7146_disable_clipping(struct saa7146_dev *dev)
static void saa7146_set_clipping_rect(struct saa7146_fh *fh)
{
struct saa7146_dev *dev = fh->dev;
- enum v4l2_field field = fh->ov.win.field;
+ struct saa7146_vv *vv = dev->vv_data;
+ enum v4l2_field field = vv->ov.win.field;
struct saa7146_video_dma vdma2;
u32 clip_format;
u32 arbtr_ctrl;
/* check clipcount, disable clipping if clipcount == 0*/
- if( fh->ov.nclips == 0 ) {
+ if (vv->ov.nclips == 0) {
saa7146_disable_clipping(dev);
return;
}
@@ -651,8 +652,8 @@ int saa7146_enable_overlay(struct saa7146_fh *fh)
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
- saa7146_set_window(dev, fh->ov.win.w.width, fh->ov.win.w.height, fh->ov.win.field);
- saa7146_set_position(dev, fh->ov.win.w.left, fh->ov.win.w.top, fh->ov.win.w.height, fh->ov.win.field, vv->ov_fmt->pixelformat);
+ saa7146_set_window(dev, vv->ov.win.w.width, vv->ov.win.w.height, vv->ov.win.field);
+ saa7146_set_position(dev, vv->ov.win.w.left, vv->ov.win.w.top, vv->ov.win.w.height, vv->ov.win.field, vv->ov_fmt->pixelformat);
saa7146_set_output_format(dev, vv->ov_fmt->trans);
saa7146_set_clipping_rect(fh);
diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c
index 8818e66..e1b639b 100644
--- a/drivers/media/common/saa7146_video.c
+++ b/drivers/media/common/saa7146_video.c
@@ -112,8 +112,8 @@ int saa7146_start_preview(struct saa7146_fh *fh)
DEB_EE("dev:%p, fh:%p\n", dev, fh);
- /* check if we have overlay informations */
- if( NULL == fh->ov.fh ) {
+ /* check if we have overlay information */
+ if (vv->ov.fh == NULL) {
DEB_D("no overlay data available. try S_FMT first.\n");
return -EAGAIN;
}
@@ -139,19 +139,18 @@ int saa7146_start_preview(struct saa7146_fh *fh)
return -EBUSY;
}
- fmt.fmt.win = fh->ov.win;
+ fmt.fmt.win = vv->ov.win;
err = vidioc_try_fmt_vid_overlay(NULL, fh, &fmt);
if (0 != err) {
saa7146_res_free(vv->video_fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);
return -EBUSY;
}
- fh->ov.win = fmt.fmt.win;
- vv->ov_data = &fh->ov;
+ vv->ov.win = fmt.fmt.win;
DEB_D("%dx%d+%d+%d %s field=%s\n",
- fh->ov.win.w.width, fh->ov.win.w.height,
- fh->ov.win.w.left, fh->ov.win.w.top,
- vv->ov_fmt->name, v4l2_field_names[fh->ov.win.field]);
+ vv->ov.win.w.width, vv->ov.win.w.height,
+ vv->ov.win.w.left, vv->ov.win.w.top,
+ vv->ov_fmt->name, v4l2_field_names[vv->ov.win.field]);
if (0 != (ret = saa7146_enable_overlay(fh))) {
DEB_D("enabling overlay failed: %d\n", ret);
@@ -468,6 +467,7 @@ static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *f
*fb = vv->ov_fb;
fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+ fb->flags = V4L2_FBUF_FLAG_PRIMARY;
return 0;
}
@@ -601,7 +601,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format
static int vidioc_g_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_format *f)
{
- f->fmt.win = ((struct saa7146_fh *)fh)->ov.win;
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct saa7146_vv *vv = dev->vv_data;
+
+ f->fmt.win = vv->ov.win;
return 0;
}
@@ -768,17 +771,17 @@ static int vidioc_s_fmt_vid_overlay(struct file *file, void *__fh, struct v4l2_f
err = vidioc_try_fmt_vid_overlay(file, fh, f);
if (0 != err)
return err;
- fh->ov.win = f->fmt.win;
- fh->ov.nclips = f->fmt.win.clipcount;
- if (fh->ov.nclips > 16)
- fh->ov.nclips = 16;
- if (copy_from_user(fh->ov.clips, f->fmt.win.clips,
- sizeof(struct v4l2_clip) * fh->ov.nclips)) {
+ vv->ov.win = f->fmt.win;
+ vv->ov.nclips = f->fmt.win.clipcount;
+ if (vv->ov.nclips > 16)
+ vv->ov.nclips = 16;
+ if (copy_from_user(vv->ov.clips, f->fmt.win.clips,
+ sizeof(struct v4l2_clip) * vv->ov.nclips)) {
return -EFAULT;
}
- /* fh->ov.fh is used to indicate that we have valid overlay informations, too */
- fh->ov.fh = fh;
+ /* vv->ov.fh is used to indicate that we have valid overlay informations, too */
+ vv->ov.fh = fh;
/* check if our current overlay is active */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h
index b4761ed..feb444b 100644
--- a/include/media/saa7146_vv.h
+++ b/include/media/saa7146_vv.h
@@ -88,9 +88,6 @@ struct saa7146_fh {
/* if this is a vbi or capture open */
enum v4l2_buf_type type;
- /* video overlay */
- struct saa7146_overlay ov;
-
/* video capture */
struct videobuf_queue video_q;
struct v4l2_pix_format video_fmt;
@@ -119,9 +116,9 @@ struct saa7146_vv
struct saa7146_fh *video_fh;
/* video overlay */
+ struct saa7146_overlay ov;
struct v4l2_framebuffer ov_fb;
struct saa7146_format *ov_fmt;
- struct saa7146_overlay *ov_data;
struct saa7146_fh *ov_suspend;
/* video capture */
--
1.7.10
--
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