convert more media images to SVG

Using vectorial graphics provide a better visual. As those images
are originally using a vectorial graphics input at the pdf files,
use them, from an old media tree repository, converting them to SVG.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/media/Makefile

@@ -14,9 +14,16 @@ IMAGES = \
 	typical_media_device.svg \
 	uapi/dvb/dvbstb.svg \
 	uapi/v4l/constraints.svg \
+	uapi/v4l/crop.svg \
+	uapi/v4l/fieldseq_bt.svg \
+	uapi/v4l/fieldseq_tb.svg \
 	uapi/v4l/subdev-image-processing-full.svg \
 	uapi/v4l/subdev-image-processing-scaling-multi-source.svg \
 	uapi/v4l/subdev-image-processing-crop.svg \
+	uapi/v4l/vbi_525.svg \
+	uapi/v4l/vbi_625.svg \
+	uapi/v4l/vbi_hsync.svg \
+
 
 IMGTGT := $(patsubst %.png,%.pdf,$(patsubst %.svg,%.pdf,$(IMAGES)))
 IMGPDF := $(patsubst %,$(SRC_DIR)/%,$(IMGTGT))

Documentation/media/uapi/v4l/crop.rst

@@ -53,8 +53,8 @@ Cropping Structures
 
 .. _crop-scale:
 
-.. figure::  crop.png
-    :alt:    crop.png
+.. figure::  crop.*
+    :alt:    crop.pdf / crop.svg
     :align:  center
 
     Image Cropping, Insertion and Scaling

Documentation/media/uapi/v4l/dev-raw-vbi.rst

@@ -221,8 +221,8 @@ and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does
 
 .. _vbi-hsync:
 
-.. figure::  vbi_hsync.png
-    :alt:    vbi_hsync.png
+.. figure::  vbi_hsync.*
+    :alt:    vbi_hsync.pdf / vbi_hsync.svg
     :align:  center
 
     **Figure 4.1. Line synchronization**
@@ -230,8 +230,8 @@ and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does
 
 .. _vbi-525:
 
-.. figure::  vbi_525.png
-    :alt:    vbi_525.png
+.. figure::  vbi_525.*
+    :alt:    vbi_525.pdf / vbi_525.svg
     :align:  center
 
     **Figure 4.2. ITU-R 525 line numbering (M/NTSC and M/PAL)**
@@ -240,8 +240,8 @@ and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does
 
 .. _vbi-625:
 
-.. figure::  vbi_625.png
-    :alt:    vbi_625.png
+.. figure::  vbi_625.*
+    :alt:    vbi_625.pdf / vbi_625.svg
     :align:  center
 
     **Figure 4.3. ITU-R 625 line numbering**

Documentation/media/uapi/v4l/field-order.rst

@@ -141,8 +141,8 @@ enum v4l2_field
 Field Order, Top Field First Transmitted
 ========================================
 
-.. figure::  fieldseq_tb.png
-    :alt:    fieldseq_tb.png
+.. figure::  fieldseq_tb.*
+    :alt:    fieldseq_tb.pdf / fieldseq_tb.svg
     :align:  center
 
 
@@ -151,7 +151,7 @@ Field Order, Top Field First Transmitted
 Field Order, Bottom Field First Transmitted
 ===========================================
 
-.. figure::  fieldseq_bt.png
-    :alt:    fieldseq_bt.png
+.. figure::  fieldseq_bt.*
+    :alt:    fieldseq_bt.pdf / fieldseq_bt.svg
     :align:  center