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Random doc of the day: the deinterlace element.

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Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/inspect/plugin-gstinterlace.xml:
* gst/deinterlace/gstdeinterlace.c:
* gst/deinterlace/gstdeinterlace.h:
Random doc of the day: the deinterlace element.
This commit is contained in:
Jan Schmidt 2008-05-11 17:23:20 +00:00
parent a6e1c40344
commit 065dc43a59
7 changed files with 102 additions and 11 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2008-05-11 Jan Schmidt <jan.schmidt@sun.com>
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/inspect/plugin-gstinterlace.xml:
* gst/deinterlace/gstdeinterlace.c:
* gst/deinterlace/gstdeinterlace.h:
Random doc of the day: the deinterlace element.
2008-05-09 Zaheer Abbas Merali <zaheerabbas at merali dot org>
* gst/mpegtsparse/mpegtspacketizer.c:

1
docs/plugins/Makefile.am
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@ -111,6 +111,7 @@ EXTRA_HFILES = \
$(top_srcdir)/ext/theora/theoradec.h \
$(top_srcdir)/ext/timidity/gsttimidity.h \
$(top_srcdir)/ext/timidity/gstwildmidi.h \
$(top_srcdir)/gst/deinterlace/gstdeinterlace.h \
$(top_srcdir)/gst/dvdspu/gstdvdspu.h \
$(top_srcdir)/gst/festival/gstfestival.h \
$(top_srcdir)/gst/modplug/gstmodplug.h \

2
docs/plugins/gst-plugins-bad-plugins-docs.sgml
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@ -16,7 +16,7 @@
<xi:include href="xml/element-amrwbenc.xml" />
<xi:include href="xml/element-amrwbparse.xml" />
<xi:include href="xml/element-audioparse.xml" />
<xi:include href="xml/element-dfb-example.xml" />
<xi:include href="xml/element-deinterlace.xml" />
<xi:include href="xml/element-dfbvideosink.xml" />
<xi:include href="xml/element-dvbsrc.xml" />
<xi:include href="xml/element-dvdspu.xml" />

14
docs/plugins/gst-plugins-bad-plugins-sections.txt
View file

@ -68,6 +68,20 @@ GST_TYPE_DC1394
gst_dc1394_get_type
</SECTION>
<SECTION>
<FILE>element-deinterlace</FILE>
<TITLE>deinterlace</TITLE>
GstDeinterlace
<SUBSECTION Standard>
GstDeinterlaceClass
GST_DEINTERLACE
GST_DEINTERLACE_CLASS
GST_IS_DEINTERLACE
GST_IS_DEINTERLACE_CLASS
GST_TYPE_DEINTERLACE
gst_deinterlace_get_type
</SECTION>
<SECTION>
<FILE>element-dfbvideosink</FILE>
<TITLE>dfbvideosink</TITLE>

12
docs/plugins/inspect/plugin-gstinterlace.xml
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@ -3,10 +3,10 @@
<description>Deinterlace video</description>
<filename>../../gst/deinterlace/.libs/libgstdeinterlace.so</filename>
<basename>libgstdeinterlace.so</basename>
<version>0.10.7</version>
<version>0.10.7.1</version>
<license>LGPL</license>
<source>gst-plugins-bad</source>
<package>GStreamer Bad Plug-ins source release</package>
<package>GStreamer Bad Plug-ins CVS/prerelease</package>
<origin>Unknown package origin</origin>
<elements>
<element>
@ -17,14 +17,14 @@
<author>Wim Taymans &lt;wim.taymans@gmail.com&gt;</author>
<pads>
<caps>
<name>src</name>
<direction>source</direction>
<name>sink</name>
<direction>sink</direction>
<presence>always</presence>
<details>video/x-raw-yuv, format=(fourcc){ I420, Y42B }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</details>
</caps>
<caps>
<name>sink</name>
<direction>sink</direction>
<name>src</name>
<direction>source</direction>
<presence>always</presence>
<details>video/x-raw-yuv, format=(fourcc){ I420, Y42B }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</details>
</caps>

73
gst/deinterlace/gstdeinterlace.c
View file

@ -28,6 +28,26 @@
#include "gstdeinterlace.h"
#include <gst/video/video.h>
/**
* SECTION:element-deinterlace
* @short_description: Adaptively deinterlace video
*
* <refsect2>
* <para>
* Adaptively deinterlaces video frames by detecting interlacing artifacts.
* An edge detection matrix is used, with a threshold value. Pixels detected
* as 'interlaced' are replaced with pixels blended from the pixels above and
* below.
* </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v videotestsrc ! deinterlace ! ffmpegcolorspace ! xvimagesink
* </programlisting>
* </para>
* </refsect2>
*/
GST_DEBUG_CATEGORY_STATIC (deinterlace_debug);
#define GST_CAT_DEFAULT deinterlace_debug
@ -103,26 +123,71 @@ gst_deinterlace_class_init (GstDeinterlaceClass * klass)
gobject_class->set_property = gst_deinterlace_set_property;
gobject_class->get_property = gst_deinterlace_get_property;
/**
* GstDeinterlace:deinterlace:
*
* Turn processing on/off. When false, no modification of the
* video frames occurs and they pass through intact.
*/
g_object_class_install_property (gobject_class, ARG_DEINTERLACE,
g_param_spec_boolean ("deinterlace", "deinterlace",
"turn deinterlacing on/off", DEFAULT_DEINTERLACE, G_PARAM_READWRITE));
/**
* GstDeinterlace:di-area-only:
*
* When set to true, only areas affected by the deinterlacing are output,
* making it easy to see which regions are being modified.
*
* See Also: #GstDeinterlace::ni-area-only
*/
g_object_class_install_property (gobject_class, ARG_DI_ONLY,
g_param_spec_boolean ("di-area-only", "di-area-only",
"displays deinterlaced areas only", DEFAULT_DI_AREA_ONLY,
G_PARAM_READWRITE));
/**
* GstDeinterlace:ni-area-only:
*
* When set to true, only areas unaffected by the deinterlacing are output,
* making it easy to see which regions are being preserved intact.
*
* See Also: #GstDeinterlace::di-area-only
*/
g_object_class_install_property (gobject_class, ARG_NI_ONLY,
g_param_spec_boolean ("ni-area-only", "ni-area-only",
"displays non-interlaced areas only", DEFAULT_DI_AREA_ONLY,
G_PARAM_READWRITE));
/**
* GstDeinterlace:blend:
*
* Change the blending for pixels which are detected as
* 'interlacing artifacts'. When true, the output pixel is a weighted
* average (1,2,1) of the pixel and the pixels above and below it.
* When false, the odd field lines are preserved, and the even field lines
* are averaged from the surrounding pixels above and below (the odd field).
*/
g_object_class_install_property (gobject_class, ARG_BLEND,
g_param_spec_boolean ("blend", "blend", "blend", DEFAULT_BLEND,
G_PARAM_READWRITE));
/**
* GstDeinterlace:threshold:
*
* Affects the threshold of the edge-detection function used for detecting
* interlacing artifacts.
*/
g_object_class_install_property (gobject_class, ARG_THRESHOLD,
g_param_spec_int ("threshold", "threshold", "threshold", G_MININT,
G_MAXINT, 0, G_PARAM_READWRITE));
g_param_spec_int ("threshold", "Edge-detection threshold",
"Threshold value for the interlacing artifacts in the output "
"of the edge detection", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
/**
* GstDeinterlace:edge-detect:
*
* Affects the weighting of the edge-detection function used for detecting
* interlacing artifacts.
*/
g_object_class_install_property (gobject_class, ARG_EDGE_DETECT,
g_param_spec_int ("edge-detect", "edge-detect", "edge-detect", G_MININT,
G_MAXINT, 0, G_PARAM_READWRITE));
g_param_spec_int ("edge-detect", "edge detection weighting",
"Weighting value used for calculating the edge detection matrix",
G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
basetransform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_deinterlace_transform_ip);

1
gst/deinterlace/gstdeinterlace.h
View file

@ -38,6 +38,7 @@ typedef struct _GstDeinterlaceClass GstDeinterlaceClass;
struct _GstDeinterlace {
GstBaseTransform basetransform;
/*< private >*/
gint width;
gint height;
gint uv_height;