"\t\t bit 8: Video Output node\n"
"\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n"
"\t\t bit 12: Radio Transmitter node\n"
- "\t\t bit 16: Framebuffer for testing overlays\n"
+ "\t\t bit 16: Framebuffer for testing output overlays\n"
"\t\t bit 17: Metadata Capture node\n"
"\t\t bit 18: Metadata Output node\n"
"\t\t bit 19: Touch Capture node\n");
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX)
- return vivid_vid_cap_overlay(file, fh, i);
+ return -ENOTTY;
return vivid_vid_out_overlay(file, fh, i);
}
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX)
- return vivid_vid_cap_g_fbuf(file, fh, a);
+ return -ENOTTY;
return vivid_vid_out_g_fbuf(file, fh, a);
}
-/*
- * Only support the framebuffer of one of the vivid instances.
- * Anything else is rejected.
- */
-bool vivid_validate_fb(const struct v4l2_framebuffer *a)
-{
- struct vivid_dev *dev;
- int i;
-
- for (i = 0; i < n_devs; i++) {
- dev = vivid_devs[i];
- if (!dev || !dev->video_pbase)
- continue;
- if ((unsigned long)a->base == dev->video_pbase &&
- a->fmt.width <= dev->display_width &&
- a->fmt.height <= dev->display_height &&
- a->fmt.bytesperline <= dev->display_byte_stride)
- return true;
- }
- return false;
-}
-
static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a)
{
struct video_device *vdev = video_devdata(file);
if (vdev->vfl_dir == VFL_DIR_RX)
- return vivid_vid_cap_s_fbuf(file, fh, a);
+ return -ENOTTY;
return vivid_vid_out_s_fbuf(file, fh, a);
}
vivid_reconnect(dev);
}
mutex_unlock(&dev->mutex);
- if (file->private_data == dev->overlay_cap_owner)
- dev->overlay_cap_owner = NULL;
if (file->private_data == dev->radio_rx_rds_owner) {
dev->radio_rx_rds_last_block = 0;
dev->radio_rx_rds_owner = NULL;
.vidioc_g_parm = vidioc_g_parm,
.vidioc_s_parm = vidioc_s_parm,
- .vidioc_enum_fmt_vid_overlay = vidioc_enum_fmt_vid_overlay,
- .vidioc_g_fmt_vid_overlay = vidioc_g_fmt_vid_overlay,
- .vidioc_try_fmt_vid_overlay = vidioc_try_fmt_vid_overlay,
- .vidioc_s_fmt_vid_overlay = vidioc_s_fmt_vid_overlay,
.vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_out_overlay,
.vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_out_overlay,
.vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_out_overlay,
vfree(dev->scaled_line);
vfree(dev->blended_line);
vfree(dev->edid);
- vfree(dev->bitmap_cap);
vfree(dev->bitmap_out);
tpg_free(&dev->tpg);
kfree(dev->query_dv_timings_qmenu);
/* set up the capabilities of the video capture device */
dev->vid_cap_caps = dev->multiplanar ?
V4L2_CAP_VIDEO_CAPTURE_MPLANE :
- V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY;
+ V4L2_CAP_VIDEO_CAPTURE;
dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
if (dev->has_audio_inputs)
dev->vid_cap_caps |= V4L2_CAP_AUDIO;
}
if (dev->has_fb) {
- /* Create framebuffer for testing capture/output overlay */
+ /* Create framebuffer for testing output overlay */
ret = vivid_fb_init(dev);
if (ret)
return ret;
vivid_update_format_cap(dev, false);
vivid_update_format_out(dev);
- /* initialize overlay */
- dev->fb_cap.fmt.width = dev->src_rect.width;
- dev->fb_cap.fmt.height = dev->src_rect.height;
- dev->fb_cap.fmt.pixelformat = dev->fmt_cap->fourcc;
- dev->fb_cap.fmt.bytesperline = dev->src_rect.width * tpg_g_twopixelsize(&dev->tpg, 0) / 2;
- dev->fb_cap.fmt.sizeimage = dev->src_rect.height * dev->fb_cap.fmt.bytesperline;
-
/* update touch configuration */
dev->timeperframe_tch_cap.numerator = 1;
dev->timeperframe_tch_cap.denominator = 10;
}
}
-/*
- * Return true if this pixel coordinate is a valid video pixel.
- */
-static bool valid_pix(struct vivid_dev *dev, int win_y, int win_x, int fb_y, int fb_x)
-{
- int i;
-
- if (dev->bitmap_cap) {
- /*
- * Only if the corresponding bit in the bitmap is set can
- * the video pixel be shown. Coordinates are relative to
- * the overlay window set by VIDIOC_S_FMT.
- */
- const u8 *p = dev->bitmap_cap;
- unsigned stride = (dev->compose_cap.width + 7) / 8;
-
- if (!(p[stride * win_y + win_x / 8] & (1 << (win_x & 7))))
- return false;
- }
-
- for (i = 0; i < dev->clipcount_cap; i++) {
- /*
- * Only if the framebuffer coordinate is not in any of the
- * clip rectangles will be video pixel be shown.
- */
- struct v4l2_rect *r = &dev->clips_cap[i].c;
-
- if (fb_y >= r->top && fb_y < r->top + r->height &&
- fb_x >= r->left && fb_x < r->left + r->width)
- return false;
- }
- return true;
-}
-
-/*
- * Draw the image into the overlay buffer.
- * Note that the combination of overlay and multiplanar is not supported.
- */
-static void vivid_overlay(struct vivid_dev *dev, struct vivid_buffer *buf)
-{
- struct tpg_data *tpg = &dev->tpg;
- unsigned pixsize = tpg_g_twopixelsize(tpg, 0) / 2;
- void *vbase = dev->fb_vbase_cap;
- void *vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
- unsigned img_width = dev->compose_cap.width;
- unsigned img_height = dev->compose_cap.height;
- unsigned stride = tpg->bytesperline[0];
- /* if quick is true, then valid_pix() doesn't have to be called */
- bool quick = dev->bitmap_cap == NULL && dev->clipcount_cap == 0;
- int x, y, w, out_x = 0;
-
- /*
- * Overlay support is only supported for formats that have a twopixelsize
- * that's >= 2. Warn and bail out if that's not the case.
- */
- if (WARN_ON(pixsize == 0))
- return;
- if ((dev->overlay_cap_field == V4L2_FIELD_TOP ||
- dev->overlay_cap_field == V4L2_FIELD_BOTTOM) &&
- dev->overlay_cap_field != buf->vb.field)
- return;
-
- vbuf += dev->compose_cap.left * pixsize + dev->compose_cap.top * stride;
- x = dev->overlay_cap_left;
- w = img_width;
- if (x < 0) {
- out_x = -x;
- w = w - out_x;
- x = 0;
- } else {
- w = dev->fb_cap.fmt.width - x;
- if (w > img_width)
- w = img_width;
- }
- if (w <= 0)
- return;
- if (dev->overlay_cap_top >= 0)
- vbase += dev->overlay_cap_top * dev->fb_cap.fmt.bytesperline;
- for (y = dev->overlay_cap_top;
- y < dev->overlay_cap_top + (int)img_height;
- y++, vbuf += stride) {
- int px;
-
- if (y < 0 || y > dev->fb_cap.fmt.height)
- continue;
- if (quick) {
- memcpy(vbase + x * pixsize,
- vbuf + out_x * pixsize, w * pixsize);
- vbase += dev->fb_cap.fmt.bytesperline;
- continue;
- }
- for (px = 0; px < w; px++) {
- if (!valid_pix(dev, y - dev->overlay_cap_top,
- px + out_x, y, px + x))
- continue;
- memcpy(vbase + (px + x) * pixsize,
- vbuf + (px + out_x) * pixsize,
- pixsize);
- }
- vbase += dev->fb_cap.fmt.bytesperline;
- }
-}
-
static void vivid_cap_update_frame_period(struct vivid_dev *dev)
{
u64 f_period;
dprintk(dev, 1, "filled buffer %d\n",
vid_cap_buf->vb.vb2_buf.index);
- /* Handle overlay */
- if (dev->overlay_cap_owner && dev->fb_cap.base &&
- dev->fb_cap.fmt.pixelformat == dev->fmt_cap->fourcc)
- vivid_overlay(dev, vid_cap_buf);
-
v4l2_ctrl_request_complete(vid_cap_buf->vb.vb2_buf.req_obj.req,
&dev->ctrl_hdl_vid_cap);
vb2_buffer_done(&vid_cap_buf->vb.vb2_buf, dev->dqbuf_error ?
#include "vivid-kthread-cap.h"
#include "vivid-vid-cap.h"
-static const struct vivid_fmt formats_ovl[] = {
- {
- .fourcc = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
- .vdownsampling = { 1 },
- .bit_depth = { 16 },
- .planes = 1,
- .buffers = 1,
- },
- {
- .fourcc = V4L2_PIX_FMT_XRGB555, /* gggbbbbb arrrrrgg */
- .vdownsampling = { 1 },
- .bit_depth = { 16 },
- .planes = 1,
- .buffers = 1,
- },
- {
- .fourcc = V4L2_PIX_FMT_ARGB555, /* gggbbbbb arrrrrgg */
- .vdownsampling = { 1 },
- .bit_depth = { 16 },
- .planes = 1,
- .buffers = 1,
- },
-};
-
/* The number of discrete webcam framesizes */
#define VIVID_WEBCAM_SIZES 6
/* The number of discrete webcam frameintervals */
tpg_s_rgb_range(&dev->tpg, v4l2_ctrl_g_ctrl(dev->rgb_range_cap));
break;
}
- vfree(dev->bitmap_cap);
- dev->bitmap_cap = NULL;
vivid_update_quality(dev);
tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, dev->field_cap);
dev->crop_cap = dev->src_rect;
dev->crop_bounds_cap = dev->src_rect;
- if (dev->bitmap_cap &&
- (dev->compose_cap.width != dev->crop_cap.width ||
- dev->compose_cap.height != dev->crop_cap.height)) {
- vfree(dev->bitmap_cap);
- dev->bitmap_cap = NULL;
- }
dev->compose_cap = dev->crop_cap;
if (V4L2_FIELD_HAS_T_OR_B(dev->field_cap))
dev->compose_cap.height /= 2;
return -EBUSY;
}
- if (dev->overlay_cap_owner && dev->fb_cap.fmt.pixelformat != mp->pixelformat) {
- dprintk(dev, 1, "overlay is active, can't change pixelformat\n");
- return -EBUSY;
- }
-
dev->fmt_cap = vivid_get_format(dev, mp->pixelformat);
if (V4L2_FIELD_HAS_T_OR_B(mp->field))
factor = 2;
struct vivid_dev *dev = video_drvdata(file);
struct v4l2_rect *crop = &dev->crop_cap;
struct v4l2_rect *compose = &dev->compose_cap;
- unsigned orig_compose_w = compose->width;
- unsigned orig_compose_h = compose->height;
unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_cap) ? 2 : 1;
int ret;
return -EINVAL;
}
- if (dev->bitmap_cap && (compose->width != orig_compose_w ||
- compose->height != orig_compose_h)) {
- vfree(dev->bitmap_cap);
- dev->bitmap_cap = NULL;
- }
tpg_s_crop_compose(&dev->tpg, crop, compose);
return 0;
}
return 0;
}
-int vidioc_enum_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
-{
- struct vivid_dev *dev = video_drvdata(file);
- const struct vivid_fmt *fmt;
-
- if (dev->multiplanar)
- return -ENOTTY;
-
- if (f->index >= ARRAY_SIZE(formats_ovl))
- return -EINVAL;
-
- fmt = &formats_ovl[f->index];
-
- f->pixelformat = fmt->fourcc;
- return 0;
-}
-
-int vidioc_g_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct vivid_dev *dev = video_drvdata(file);
- const struct v4l2_rect *compose = &dev->compose_cap;
- struct v4l2_window *win = &f->fmt.win;
- unsigned clipcount = win->clipcount;
-
- if (dev->multiplanar)
- return -ENOTTY;
-
- win->w.top = dev->overlay_cap_top;
- win->w.left = dev->overlay_cap_left;
- win->w.width = compose->width;
- win->w.height = compose->height;
- win->field = dev->overlay_cap_field;
- win->clipcount = dev->clipcount_cap;
- if (clipcount > dev->clipcount_cap)
- clipcount = dev->clipcount_cap;
- if (dev->bitmap_cap == NULL)
- win->bitmap = NULL;
- else if (win->bitmap) {
- if (copy_to_user(win->bitmap, dev->bitmap_cap,
- ((compose->width + 7) / 8) * compose->height))
- return -EFAULT;
- }
- if (clipcount && win->clips)
- memcpy(win->clips, dev->clips_cap,
- clipcount * sizeof(dev->clips_cap[0]));
- return 0;
-}
-
-int vidioc_try_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct vivid_dev *dev = video_drvdata(file);
- const struct v4l2_rect *compose = &dev->compose_cap;
- struct v4l2_window *win = &f->fmt.win;
- int i, j;
-
- if (dev->multiplanar)
- return -ENOTTY;
-
- win->w.left = clamp_t(int, win->w.left,
- -dev->fb_cap.fmt.width, dev->fb_cap.fmt.width);
- win->w.top = clamp_t(int, win->w.top,
- -dev->fb_cap.fmt.height, dev->fb_cap.fmt.height);
- win->w.width = compose->width;
- win->w.height = compose->height;
- if (win->field != V4L2_FIELD_BOTTOM && win->field != V4L2_FIELD_TOP)
- win->field = V4L2_FIELD_ANY;
- win->chromakey = 0;
- win->global_alpha = 0;
- if (win->clipcount && !win->clips)
- win->clipcount = 0;
- if (win->clipcount > MAX_CLIPS)
- win->clipcount = MAX_CLIPS;
- if (win->clipcount) {
- memcpy(dev->try_clips_cap, win->clips,
- win->clipcount * sizeof(dev->clips_cap[0]));
- for (i = 0; i < win->clipcount; i++) {
- struct v4l2_rect *r = &dev->try_clips_cap[i].c;
-
- r->top = clamp_t(s32, r->top, 0, dev->fb_cap.fmt.height - 1);
- r->height = clamp_t(s32, r->height, 1, dev->fb_cap.fmt.height - r->top);
- r->left = clamp_t(u32, r->left, 0, dev->fb_cap.fmt.width - 1);
- r->width = clamp_t(u32, r->width, 1, dev->fb_cap.fmt.width - r->left);
- }
- /*
- * Yeah, so sue me, it's an O(n^2) algorithm. But n is a small
- * number and it's typically a one-time deal.
- */
- for (i = 0; i < win->clipcount - 1; i++) {
- struct v4l2_rect *r1 = &dev->try_clips_cap[i].c;
-
- for (j = i + 1; j < win->clipcount; j++) {
- struct v4l2_rect *r2 = &dev->try_clips_cap[j].c;
-
- if (v4l2_rect_overlap(r1, r2))
- return -EINVAL;
- }
- }
- memcpy(win->clips, dev->try_clips_cap,
- win->clipcount * sizeof(dev->clips_cap[0]));
- }
- return 0;
-}
-
-int vidioc_s_fmt_vid_overlay(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct vivid_dev *dev = video_drvdata(file);
- const struct v4l2_rect *compose = &dev->compose_cap;
- struct v4l2_window *win = &f->fmt.win;
- int ret = vidioc_try_fmt_vid_overlay(file, priv, f);
- unsigned bitmap_size = ((compose->width + 7) / 8) * compose->height;
- unsigned clips_size = win->clipcount * sizeof(dev->clips_cap[0]);
- void *new_bitmap = NULL;
-
- if (ret)
- return ret;
-
- if (win->bitmap) {
- new_bitmap = vzalloc(bitmap_size);
-
- if (new_bitmap == NULL)
- return -ENOMEM;
- if (copy_from_user(new_bitmap, win->bitmap, bitmap_size)) {
- vfree(new_bitmap);
- return -EFAULT;
- }
- }
-
- dev->overlay_cap_top = win->w.top;
- dev->overlay_cap_left = win->w.left;
- dev->overlay_cap_field = win->field;
- vfree(dev->bitmap_cap);
- dev->bitmap_cap = new_bitmap;
- dev->clipcount_cap = win->clipcount;
- if (dev->clipcount_cap)
- memcpy(dev->clips_cap, dev->try_clips_cap, clips_size);
- return 0;
-}
-
-int vivid_vid_cap_overlay(struct file *file, void *fh, unsigned i)
-{
- struct vivid_dev *dev = video_drvdata(file);
-
- if (dev->multiplanar)
- return -ENOTTY;
-
- if (i && dev->fb_vbase_cap == NULL)
- return -EINVAL;
-
- if (i && dev->fb_cap.fmt.pixelformat != dev->fmt_cap->fourcc) {
- dprintk(dev, 1, "mismatch between overlay and video capture pixelformats\n");
- return -EINVAL;
- }
-
- if (dev->overlay_cap_owner && dev->overlay_cap_owner != fh)
- return -EBUSY;
- dev->overlay_cap_owner = i ? fh : NULL;
- return 0;
-}
-
-int vivid_vid_cap_g_fbuf(struct file *file, void *fh,
- struct v4l2_framebuffer *a)
-{
- struct vivid_dev *dev = video_drvdata(file);
-
- if (dev->multiplanar)
- return -ENOTTY;
-
- *a = dev->fb_cap;
- a->capability = V4L2_FBUF_CAP_BITMAP_CLIPPING |
- V4L2_FBUF_CAP_LIST_CLIPPING;
- a->flags = V4L2_FBUF_FLAG_PRIMARY;
- a->fmt.field = V4L2_FIELD_NONE;
- a->fmt.colorspace = V4L2_COLORSPACE_SRGB;
- a->fmt.priv = 0;
- return 0;
-}
-
-int vivid_vid_cap_s_fbuf(struct file *file, void *fh,
- const struct v4l2_framebuffer *a)
-{
- struct vivid_dev *dev = video_drvdata(file);
- const struct vivid_fmt *fmt;
-
- if (dev->multiplanar)
- return -ENOTTY;
-
- if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
- return -EPERM;
-
- if (dev->overlay_cap_owner)
- return -EBUSY;
-
- if (a->base == NULL) {
- dev->fb_cap.base = NULL;
- dev->fb_vbase_cap = NULL;
- return 0;
- }
-
- if (a->fmt.width < 48 || a->fmt.height < 32)
- return -EINVAL;
- fmt = vivid_get_format(dev, a->fmt.pixelformat);
- if (!fmt || !fmt->can_do_overlay)
- return -EINVAL;
- if (a->fmt.bytesperline < (a->fmt.width * fmt->bit_depth[0]) / 8)
- return -EINVAL;
- if (a->fmt.bytesperline > a->fmt.sizeimage / a->fmt.height)
- return -EINVAL;
-
- /*
- * Only support the framebuffer of one of the vivid instances.
- * Anything else is rejected.
- */
- if (!vivid_validate_fb(a))
- return -EINVAL;
-
- dev->fb_vbase_cap = phys_to_virt((unsigned long)a->base);
- dev->fb_cap = *a;
- dev->overlay_cap_left = clamp_t(int, dev->overlay_cap_left,
- -dev->fb_cap.fmt.width, dev->fb_cap.fmt.width);
- dev->overlay_cap_top = clamp_t(int, dev->overlay_cap_top,
- -dev->fb_cap.fmt.height, dev->fb_cap.fmt.height);
- return 0;
-}
-
static const struct v4l2_audio vivid_audio_inputs[] = {
{ 0, "TV", V4L2_AUDCAP_STEREO },
{ 1, "Line-In", V4L2_AUDCAP_STEREO },
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