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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 14:39:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 14:39:09 -0700
commite317234975cb7463b8ca21a93bb6862d9dcf113f (patch)
tree4446fa3a21364f3cba23a22aa2a94027f169d8df /Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
parentf37ab0fba271e43edab0e3ae9fe644fcda455402 (diff)
parent7483d45f0aee3afc0646d185cabd4af9f6cab58c (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - V4L2 API additions to better support JPEG compression control - media API additions to properly support MPEG decoders - V4L2 API additions for image crop/scaling - a few other V4L2 API DocBook fixes/improvements - two new DVB frontend drivers: m88rs2000 and rtl2830 - two new DVB drivers: az6007 and rtl28xxu - a framework for ISA drivers, that removed lots of common code found at the ISA radio drivers - a new FM transmitter driver (radio-keene) - a GPIO-based IR receiver driver - a new sensor driver: mt9m032 - some new video drivers: adv7183, blackfin, mx2_emmaprp, sii9234_drv, vs6624 - several new board additions, driver fixes, improvements and cleanups. * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (295 commits) [media] update CARDLIST.em28xx [media] partially reverts changeset fa5527c [media] stb0899: fix the limits for signal strength values [media] em28xx: support for 2304:0242 PCTV QuatroStick (510e) [media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e) [media] -EINVAL -> -ENOTTY [media] gspca - sn9c20x: Cleanup source [media] gspca - sn9c20x: Simplify register write for capture start/stop [media] gspca - sn9c20x: Add automatic JPEG compression mechanism [media] gspca - sn9c20x: Greater delay in case of sensor no response [media] gspca - sn9c20x: Optimize the code of write sequences [media] gspca - sn9c20x: Add the JPEG compression quality control [media] gspca - sn9c20x: Add a delay after Omnivision sensor reset [media] gspca - sn9c20x: Propagate USB errors to higher level [media] gspca - sn9c20x: Use the new video control mechanism [media] gspca - sn9c20x: Fix loss of frame start [media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k [media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor [media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support [media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5 ...
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml')
-rw-r--r--Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml16
1 files changed, 14 insertions, 2 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml b/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
index 01ea24b8438..48748499c09 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-jpegcomp.xml
@@ -57,6 +57,11 @@
<refsect1>
<title>Description</title>
+ <para>These ioctls are <emphasis role="bold">deprecated</emphasis>.
+ New drivers and applications should use <link linkend="jpeg-controls">
+ JPEG class controls</link> for image quality and JPEG markers control.
+ </para>
+
<para>[to do]</para>
<para>Ronald Bultje elaborates:</para>
@@ -86,7 +91,10 @@ to add them.</para>
<row>
<entry>int</entry>
<entry><structfield>quality</structfield></entry>
- <entry></entry>
+ <entry>Deprecated. If <link linkend="jpeg-quality-control"><constant>
+ V4L2_CID_JPEG_IMAGE_QUALITY</constant></link> control is exposed by
+ a driver applications should use it instead and ignore this field.
+ </entry>
</row>
<row>
<entry>int</entry>
@@ -116,7 +124,11 @@ to add them.</para>
<row>
<entry>__u32</entry>
<entry><structfield>jpeg_markers</structfield></entry>
- <entry>See <xref linkend="jpeg-markers" />.</entry>
+ <entry>See <xref linkend="jpeg-markers"/>. Deprecated.
+ If <link linkend="jpeg-active-marker-control"><constant>
+ V4L2_CID_JPEG_ACTIVE_MARKER</constant></link> control
+ is exposed by a driver applications should use it instead
+ and ignore this field.</entry>
</row>
</tbody>
</tgroup>