DOCUMENTED = \
-e "s/\(enum *\)v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1<link linkend=\"\2\">v4l2_mpeg_cx2341x_video_\2<\/link>/g" \
-e "s/\(\(enum\|struct\) *\)\(v4l2_[a-zA-Z0-9_]*\)/\1<link linkend=\"\3\">\3<\/link>/g" \
- -e "s/\(V4L2_PIX_FMT_[A-Z0-9_]\+\) /<link linkend=\"\1\">\1<\/link> /g" \
+ -e "s/\(V4L2_PIX_FMT_[A-Z0-9_]\+\)\(\s\+v4l2_fourcc\)/<link linkend=\"\1\">\1<\/link>\2/g" \
-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-e "s/v4l2\-mpeg\-vbi\-ITV0/v4l2-mpeg-vbi-itv0-1/g"
<row>
<entry>__u32</entry>
<entry><structfield>priv</structfield></entry>
- <entry>Reserved for custom (driver defined) additional
-information about formats. When not used drivers and applications must
-set this field to zero.</entry>
+ <entry><para>This field indicates whether the remaining fields of the
+<structname>v4l2_pix_format</structname> structure, also called the extended
+fields, are valid. When set to <constant>V4L2_PIX_FMT_PRIV_MAGIC</constant>, it
+indicates that the extended fields have been correctly initialized. When set to
+any other value it indicates that the extended fields contain undefined values.
+</para>
+<para>Applications that wish to use the pixel format extended fields must first
+ensure that the feature is supported by querying the device for the
+<link linkend="querycap"><constant>V4L2_CAP_EXT_PIX_FORMAT</constant></link>
+capability. If the capability isn't set the pixel format extended fields are not
+supported and using the extended fields will lead to undefined results.</para>
+<para>To use the extended fields, applications must set the
+<structfield>priv</structfield> field to
+<constant>V4L2_PIX_FMT_PRIV_MAGIC</constant>, initialize all the extended fields
+and zero the unused bytes of the <structname>v4l2_format</structname>
+<structfield>raw_data</structfield> field.</para>
+<para>When the <structfield>priv</structfield> field isn't set to
+<constant>V4L2_PIX_FMT_PRIV_MAGIC</constant> drivers must act as if all the
+extended fields were set to zero. On return drivers must set the
+<structfield>priv</structfield> field to
+<constant>V4L2_PIX_FMT_PRIV_MAGIC</constant> and all the extended fields to
+applicable values.</para></entry>
</row>
</tbody>
</tgroup>
applications. -->
<revision>
+ <revnumber>3.16</revnumber>
+ <date>2014-05-27</date>
+ <authorinitials>lp</authorinitials>
+ <revremark>Extended &v4l2-pix-format;.
+ </revremark>
+ </revision>
+
+ <revision>
<revnumber>3.15</revnumber>
<date>2014-02-03</date>
<authorinitials>hv, ap</authorinitials>
framebuffer device (see <xref linkend="osd" />).</entry>
</row>
<row>
- <entry>&v4l2-pix-format;</entry>
+ <entry>struct</entry>
<entry><structfield>fmt</structfield></entry>
<entry></entry>
- <entry>Layout of the frame buffer. The
-<structname>v4l2_pix_format</structname> structure is defined in <xref
-linkend="pixfmt" />, for clarification the fields and acceptable values
- are listed below:</entry>
+ <entry>Layout of the frame buffer.</entry>
</row>
<row>
<entry></entry>
<entry></entry>
<entry>__u32</entry>
<entry><structfield>priv</structfield></entry>
- <entry>Reserved for additional information about custom
-(driver defined) formats. When not used drivers and applications must
-set this field to zero.</entry>
+ <entry>Reserved. Drivers and applications must set this field to
+zero.</entry>
</row>
</tbody>
</tgroup>
<link linkend="sdr">SDR Capture</link> interface.</entry>
</row>
<row>
+ <entry><constant>V4L2_CAP_EXT_PIX_FORMAT</constant></entry>
+ <entry>0x00200000</entry>
+ <entry>The device supports the &v4l2-pix-format; extended
+fields.</entry>
+ </row>
+ <row>
<entry><constant>V4L2_CAP_READWRITE</constant></entry>
<entry>0x01000000</entry>
<entry>The device supports the <link
pix->sizeimage = pix->width * pix->height;
/* Just a guess */
pix->colorspace = V4L2_COLORSPACE_SRGB;
- pix->priv = 0;
return 0;
}
pix->sizeimage = pix->width * pix->height;
/* Just a guess */
pix->colorspace = V4L2_COLORSPACE_SRGB;
- pix->priv = 0;
return 0;
}
pixfmt->height = cx->cxhdl.height;
pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
pixfmt->field = V4L2_FIELD_INTERLACED;
- pixfmt->priv = 0;
if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
pixfmt->pixelformat = s->pixelformat;
pixfmt->sizeimage = s->vb_bytes_per_frame;
f->fmt.pix.bytesperline = (chan->width * chan->fmt->depth) >> 3;
f->fmt.pix.sizeimage = chan->height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
return 0;
}
pixfmt->height = itv->cxhdl.height;
pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
pixfmt->field = V4L2_FIELD_INTERLACED;
- pixfmt->priv = 0;
if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
/* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
pixfmt->height = itv->main_rect.height;
pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
pixfmt->field = V4L2_FIELD_INTERLACED;
- pixfmt->priv = 0;
if (id->type == IVTV_DEC_STREAM_TYPE_YUV) {
switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
case IVTV_YUV_MODE_INTERLACED:
fb->fmt.bytesperline = fb->fmt.width;
fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
fb->fmt.field = V4L2_FIELD_INTERLACED;
- fb->fmt.priv = 0;
if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
fb->fmt.bytesperline *= 2;
if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
f->fmt.pix.sizeimage = f->fmt.pix.height *
f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = 0;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.sizeimage = f->fmt.pix.height *
f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = 0;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.sizeimage = TS_PACKET_SIZE * dev->ts.nr_packets;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.width * 2 * f->fmt.pix.height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
return 0;
}
BUG();
}
- f->fmt.pix.priv = 0;
-
return 0;
}
pixfmt->width = common->fmt.fmt.pix.width;
pixfmt->height = common->fmt.fmt.pix.height;
pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2;
- pixfmt->priv = 0;
return 0;
}
f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.field = V4L2_FIELD_NONE;
- f->fmt.pix.priv = 0;
return 0;
}
pix->pixelformat = omap_formats[ifmt].pixelformat;
pix->field = V4L2_FIELD_ANY;
- pix->priv = 0;
switch (pix->pixelformat) {
case V4L2_PIX_FMT_YUYV:
pix->field = V4L2_FIELD_ANY;
pix->bytesperline = pix->width * 2;
pix->sizeimage = pix->bytesperline * pix->height;
- pix->priv = 0;
pix->colorspace = V4L2_COLORSPACE_JPEG;
vout->bpp = RGB565_BPP;
pix->bytesperline = vfmt->bytesperline;
pix->sizeimage = vfmt->bytesperline * pix->height *
vfmt->fmt->depth / vfmt->fmt->ydepth;
- pix->priv = 0;
dev_dbg(veu->dev, "%s(): type: %d, size %u @ %ux%u, fmt %x\n", __func__,
f->type, pix->sizeimage, pix->width, pix->height, pix->pixelformat);
pix->pixelformat = fmt->fourcc;
pix->colorspace = sh_veu_4cc2cspace(pix->pixelformat);
- pix->priv = 0;
pr_debug("%s(): type: %d, size %u\n", __func__, f->type, pix->sizeimage);
pf->colorspace =
vino_data_formats[tempvcs.data_format].colorspace;
- pf->priv = 0;
return 0;
}
pf->colorspace =
vino_data_formats[vcs->data_format].colorspace;
- pf->priv = 0;
-
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return 0;
}
pf->colorspace =
vino_data_formats[vcs->data_format].colorspace;
- pf->priv = 0;
-
spin_unlock_irqrestore(&vino_drvdata->input_lock, flags);
return 0;
}
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
else
f->fmt.pix.colorspace = V4L2_COLORSPACE_SRGB;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.width = dev->ts1.width;
f->fmt.pix.height = dev->ts1.height;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
- f->fmt.pix.priv = 0;
dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n",
dev->ts1.width, dev->ts1.height);
dprintk(3, "exit vidioc_g_fmt_vid_cap()\n");
f->fmt.pix.sizeimage = mpeglines * mpeglinesize;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
- f->fmt.pix.priv = 0;
dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n",
dev->ts1.width, dev->ts1.height);
dprintk(3, "exit vidioc_try_fmt_vid_cap()\n");
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
- f->fmt.pix.priv = 0;
return 0;
}
struct gspca_dev *gspca_dev = video_drvdata(file);
fmt->fmt.pix = gspca_dev->pixfmt;
- /* some drivers use priv internally, zero it before giving it to
- userspace */
+ /* some drivers use priv internally, zero it before giving it back to
+ the core */
fmt->fmt.pix.priv = 0;
return 0;
}
fmt->fmt.pix.height = h;
gspca_dev->sd_desc->try_fmt(gspca_dev, fmt);
}
- /* some drivers use priv internally, zero it before giving it to
- userspace */
+ /* some drivers use priv internally, zero it before giving it back to
+ the core */
fmt->fmt.pix.priv = 0;
return mode; /* used when s_fmt */
}
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.sizeimage = dev->bulk_in_size;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.priv = 0;
if (f->fmt.pix.width == 720) {
/* SDTV formats */
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
pix_format->bytesperline = 2 * pix_format->width;
pix_format->sizeimage = pix_format->bytesperline
* pix_format->height;
- pix_format->priv = 0;
return 0;
}
fmtd->fmt.pix.bytesperline = 2 * fmtd->fmt.pix.width;
fmtd->fmt.pix.sizeimage = fmtd->fmt.pix.bytesperline
* fmtd->fmt.pix.height;
- fmtd->fmt.pix.priv = 0;
return 0;
}
.bytesperline = 720 * 2,
.sizeimage = 720 * 576 * 2,
.colorspace = V4L2_COLORSPACE_SMPTE170M,
- .priv = 0
};
}
(f->fmt.pix.width * fh->fmt->depth) >> 3;
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.width &= ~0x01;
f->fmt.pix.field = field;
- f->fmt.pix.priv = 0;
f->fmt.pix.bytesperline =
(f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
- f->fmt.pix.priv = 0;
DBG("%s: V4L2_PIX_FMT_%s (%d) ok!\n", __func__,
decode_fourcc(f->fmt.pix.pixelformat, pixelformat_name),
f->fmt.pix.field);
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
- f->fmt.pix.priv = 0;
return 0;
}
f->fmt.pix.bytesperline = f->fmt.pix.width * 2;
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_JPEG;
- f->fmt.pix.priv = 0;
cam->vb_vidq.field = f->fmt.pix.field;
if (f->fmt.pix.width == 160 && f->fmt.pix.height == 120)
__u32 capability;
__u32 flags;
compat_caddr_t base;
- struct v4l2_pix_format fmt;
+ struct {
+ __u32 width;
+ __u32 height;
+ __u32 pixelformat;
+ __u32 field;
+ __u32 bytesperline;
+ __u32 sizeimage;
+ __u32 colorspace;
+ __u32 priv;
+ } fmt;
};
static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) ||
get_user(tmp, &up->base) ||
get_user(kp->capability, &up->capability) ||
- get_user(kp->flags, &up->flags))
+ get_user(kp->flags, &up->flags) ||
+ copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt)))
return -EFAULT;
kp->base = compat_ptr(tmp);
- get_v4l2_pix_format(&kp->fmt, &up->fmt);
return 0;
}
if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) ||
put_user(tmp, &up->base) ||
put_user(kp->capability, &up->capability) ||
- put_user(kp->flags, &up->flags))
+ put_user(kp->flags, &up->flags) ||
+ copy_to_user(&up->fmt, &kp->fmt, sizeof(up->fmt)))
return -EFAULT;
- put_v4l2_pix_format(&kp->fmt, &up->fmt);
return 0;
}
return -EINVAL;
}
+static void v4l_sanitize_format(struct v4l2_format *fmt)
+{
+ unsigned int offset;
+
+ /*
+ * The v4l2_pix_format structure has been extended with fields that were
+ * not previously required to be set to zero by applications. The priv
+ * field, when set to a magic value, indicates the the extended fields
+ * are valid. Otherwise they will contain undefined values. To simplify
+ * the API towards drivers zero the extended fields and set the priv
+ * field to the magic value when the extended pixel format structure
+ * isn't used by applications.
+ */
+
+ if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ fmt->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ return;
+
+ if (fmt->fmt.pix.priv == V4L2_PIX_FMT_PRIV_MAGIC)
+ return;
+
+ fmt->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
+
+ offset = offsetof(struct v4l2_pix_format, priv)
+ + sizeof(fmt->fmt.pix.priv);
+ memset(((void *)&fmt->fmt.pix) + offset, 0,
+ sizeof(fmt->fmt.pix) - offset);
+}
+
static int v4l_querycap(const struct v4l2_ioctl_ops *ops,
struct file *file, void *fh, void *arg)
{
struct v4l2_capability *cap = (struct v4l2_capability *)arg;
+ int ret;
cap->version = LINUX_VERSION_CODE;
- return ops->vidioc_querycap(file, fh, cap);
+
+ ret = ops->vidioc_querycap(file, fh, cap);
+
+ cap->capabilities |= V4L2_CAP_EXT_PIX_FORMAT;
+
+ return ret;
}
static int v4l_s_input(const struct v4l2_ioctl_ops *ops,
bool is_sdr = vfd->vfl_type == VFL_TYPE_SDR;
bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
+ int ret;
+
+ p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
switch (p->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap))
break;
- return ops->vidioc_g_fmt_vid_cap(file, fh, arg);
+ ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg);
+ p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
+ return ret;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (unlikely(!is_rx || !is_vid || !ops->vidioc_g_fmt_vid_cap_mplane))
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out))
break;
- return ops->vidioc_g_fmt_vid_out(file, fh, arg);
+ ret = ops->vidioc_g_fmt_vid_out(file, fh, arg);
+ p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
+ return ret;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
if (unlikely(!is_tx || !is_vid || !ops->vidioc_g_fmt_vid_out_mplane))
break;
bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
+ v4l_sanitize_format(p);
+
switch (p->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (unlikely(!is_rx || !is_vid || !ops->vidioc_s_fmt_vid_cap))
bool is_rx = vfd->vfl_dir != VFL_DIR_TX;
bool is_tx = vfd->vfl_dir != VFL_DIR_RX;
+ v4l_sanitize_format(p);
+
switch (p->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (unlikely(!is_rx || !is_vid || !ops->vidioc_try_fmt_vid_cap))
struct v4l2_create_buffers *create = arg;
int ret = check_fmt(file, create->format.type);
- return ret ? ret : ops->vidioc_create_bufs(file, fh, create);
+ if (ret)
+ return ret;
+
+ v4l_sanitize_format(&create->format);
+
+ ret = ops->vidioc_create_bufs(file, fh, create);
+
+ if (create->format.type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ create->format.type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ create->format.fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC;
+
+ return ret;
}
static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops,
#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
+#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
+/* priv field value to indicates that subsequent fields are valid. */
+#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
+
/*
* F O R M A T E N U M E R A T I O N
*/
/* FIXME: in theory we should pass something like PCI device + memory
* region + offset instead of some physical address */
void *base;
- struct v4l2_pix_format fmt;
+ struct {
+ __u32 width;
+ __u32 height;
+ __u32 pixelformat;
+ __u32 field; /* enum v4l2_field */
+ __u32 bytesperline; /* for padding, zero if unused */
+ __u32 sizeimage;
+ __u32 colorspace; /* enum v4l2_colorspace */
+ __u32 priv; /* reserved field, set to 0 */
+ } fmt;
};
/* Flags for the 'capability' field. Read only */
#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
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