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docs/plugins/: Added videobalance and videoflip to the docs.
Original commit message from CVS: * docs/plugins/Makefile.am: * docs/plugins/gst-plugins-good-plugins-docs.sgml: * docs/plugins/gst-plugins-good-plugins-sections.txt: * docs/plugins/gst-plugins-good-plugins.hierarchy: Added videobalance and videoflip to the docs. * gst/videofilter/Makefile.am: * gst/videofilter/gstvideobalance.c: (gst_video_balance_update_tables_planar411), (gst_video_balance_is_passthrough), (gst_video_balance_update_properties), (oil_tablelookup_u8), (gst_video_balance_planar411_ip), (gst_video_balance_set_caps), (gst_video_balance_transform_ip), (gst_video_balance_base_init), (gst_video_balance_finalize), (gst_video_balance_class_init), (gst_video_balance_init), (gst_video_balance_interface_supported), (gst_video_balance_interface_init), (gst_video_balance_colorbalance_list_channels), (gst_video_balance_colorbalance_set_value), (gst_video_balance_colorbalance_get_value), (gst_video_balance_colorbalance_init), (gst_video_balance_set_property), (gst_video_balance_get_property), (gst_video_balance_get_type), (plugin_init): * gst/videofilter/gstvideobalance.h: Ported to 0.10. (Fixes #326160) Added docs. * gst/videofilter/gstvideoflip.c: * gst/videofilter/gstvideoflip.h: Added docs.
This commit is contained in:
Wim Taymans
parent
6be283efae
commit
e85d1638c3
10 changed files with 665 additions and 464 deletions
32
ChangeLog
32
ChangeLog
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@ -1,3 +1,35 @@
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2006-03-03 Wim Taymans <wim@fluendo.com>
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* docs/plugins/Makefile.am:
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* docs/plugins/gst-plugins-good-plugins-docs.sgml:
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* docs/plugins/gst-plugins-good-plugins-sections.txt:
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* docs/plugins/gst-plugins-good-plugins.hierarchy:
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Added videobalance and videoflip to the docs.
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* gst/videofilter/Makefile.am:
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* gst/videofilter/gstvideobalance.c:
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(gst_video_balance_update_tables_planar411),
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(gst_video_balance_is_passthrough),
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(gst_video_balance_update_properties), (oil_tablelookup_u8),
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(gst_video_balance_planar411_ip), (gst_video_balance_set_caps),
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(gst_video_balance_transform_ip), (gst_video_balance_base_init),
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(gst_video_balance_finalize), (gst_video_balance_class_init),
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(gst_video_balance_init), (gst_video_balance_interface_supported),
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(gst_video_balance_interface_init),
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(gst_video_balance_colorbalance_list_channels),
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(gst_video_balance_colorbalance_set_value),
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(gst_video_balance_colorbalance_get_value),
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(gst_video_balance_colorbalance_init),
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(gst_video_balance_set_property), (gst_video_balance_get_property),
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(gst_video_balance_get_type), (plugin_init):
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* gst/videofilter/gstvideobalance.h:
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Ported to 0.10. (Fixes #326160)
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Added docs.
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* gst/videofilter/gstvideoflip.c:
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* gst/videofilter/gstvideoflip.h:
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Added docs.
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2006-03-02 Tim-Philipp Müller <tim at centricular dot net>
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2006-03-02 Tim-Philipp Müller <tim at centricular dot net>
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* configure.ac:
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* configure.ac:
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@ -91,6 +91,8 @@ EXTRA_HFILES = \
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$(top_srcdir)/gst/multipart/multipartdemux.c \
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$(top_srcdir)/gst/multipart/multipartdemux.c \
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$(top_srcdir)/gst/udp/gstudpsrc.h \
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$(top_srcdir)/gst/udp/gstudpsrc.h \
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$(top_srcdir)/gst/udp/gstmultiudpsink.h \
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$(top_srcdir)/gst/udp/gstmultiudpsink.h \
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$(top_srcdir)/gst/videofilter/gstvideoflip.h \
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$(top_srcdir)/gst/videofilter/gstvideobalance.h \
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$(top_srcdir)/gst/videomixer/videomixer.c
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$(top_srcdir)/gst/videomixer/videomixer.c
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# example code that needs to be converted to xml and placed in xml/
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# example code that needs to be converted to xml and placed in xml/
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@ -29,6 +29,8 @@
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<xi:include href="xml/element-multiudpsink.xml" />
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<xi:include href="xml/element-multiudpsink.xml" />
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<xi:include href="xml/element-multipartmux.xml" />
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<xi:include href="xml/element-multipartmux.xml" />
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<xi:include href="xml/element-multipartdemux.xml" />
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<xi:include href="xml/element-multipartdemux.xml" />
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<xi:include href="xml/element-videobalance.xml" />
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<xi:include href="xml/element-videoflip.xml" />
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<xi:include href="xml/element-videomixer.xml" />
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<xi:include href="xml/element-videomixer.xml" />
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</chapter>
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</chapter>
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@ -73,6 +75,7 @@
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<xi:include href="xml/plugin-speex.xml" />
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<xi:include href="xml/plugin-speex.xml" />
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<xi:include href="xml/plugin-udp.xml" />
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<xi:include href="xml/plugin-udp.xml" />
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<xi:include href="xml/plugin-videobox.xml" />
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<xi:include href="xml/plugin-videobox.xml" />
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<xi:include href="xml/plugin-videobalance.xml" />
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<xi:include href="xml/plugin-videoflip.xml" />
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<xi:include href="xml/plugin-videoflip.xml" />
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<xi:include href="xml/plugin-videomixer.xml" />
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<xi:include href="xml/plugin-videomixer.xml" />
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<xi:include href="xml/plugin-wavenc.xml" />
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<xi:include href="xml/plugin-wavenc.xml" />
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@ -159,6 +159,35 @@ GST_UDPSRC_CLASS
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GST_IS_UDPSRC_CLASS
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GST_IS_UDPSRC_CLASS
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</SECTION>
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</SECTION>
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<SECTION>
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<FILE>element-videoflip</FILE>
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GstVideoFlip
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GstVideoFlipMethod
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<TITLE>videoflip</TITLE>
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<SUBSECTION Standard>
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GstVideoFlipClass
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GST_VIDEO_FLIP
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GST_IS_VIDEO_FLIP
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GST_TYPE_VIDEO_FLIP
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gst_video_flip_get_type
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GST_VIDEO_FLIP_CLASS
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GST_IS_VIDEO_FLIP_CLASS
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</SECTION>
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<SECTION>
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<FILE>element-videobalance</FILE>
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GstVideoBalance
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<TITLE>videobalance</TITLE>
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<SUBSECTION Standard>
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GstVideoBalanceClass
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GST_VIDEO_BALANCE
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GST_IS_VIDEO_BALANCE
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GST_TYPE_VIDEO_BALANCE
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gst_video_balance_get_type
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GST_VIDEO_BALANCE_CLASS
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GST_IS_VIDEO_BALANCE_CLASS
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</SECTION>
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<SECTION>
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<SECTION>
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<FILE>element-videomixer</FILE>
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<FILE>element-videomixer</FILE>
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GstVideoMixer
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GstVideoMixer
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@ -48,6 +48,7 @@ GObject
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GstBaseTransform
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GstBaseTransform
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GstCairoTimeOverlay
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GstCairoTimeOverlay
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GstVideoFilter
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GstVideoFilter
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GstVideoBalance
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GstVideoFlip
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GstVideoFlip
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GstEdgeTV
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GstEdgeTV
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GstAgingTV
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GstAgingTV
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@ -1,7 +1,7 @@
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# noinst_LTLIBRARIES = libgstvideoexample.la
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# noinst_LTLIBRARIES = libgstvideoexample.la
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plugin_LTLIBRARIES = libgstvideoflip.la
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plugin_LTLIBRARIES = libgstvideoflip.la libgstvideobalance.la
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noinst_HEADERS = gstvideoflip.h
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noinst_HEADERS = gstvideoflip.h gstvideobalance.h
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EXTRA_DIST = gstvideotemplate.c make_filter
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EXTRA_DIST = gstvideotemplate.c make_filter
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CLEANFILES = gstvideoexample.c
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CLEANFILES = gstvideoexample.c
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@ -17,10 +17,12 @@ libgstvideoflip_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
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libgstvideoflip_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_MAJORMINOR@ $(GST_BASE_LIBS) $(GST_LIBS)
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libgstvideoflip_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_MAJORMINOR@ $(GST_BASE_LIBS) $(GST_LIBS)
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libgstvideoflip_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstvideoflip_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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# libgstvideobalance_la_SOURCES = gstvideobalance.c
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libgstvideobalance_la_SOURCES = gstvideobalance.c
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# libgstvideobalance_la_CFLAGS = $(GST_CFLAGS) $(LIBOIL_CFLAGS)
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libgstvideobalance_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
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# libgstvideobalance_la_LIBADD = $(top_builddir)/gst-libs/gst/libgstinterfaces-$(GST_MAJORMINOR).la
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$(GST_PLUGINS_BASE_CFLAGS)
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# libgstvideobalance_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(LIBOIL_LIBS) -lm
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libgstvideobalance_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-@GST_MAJORMINOR@ \
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-lgstinterfaces-@GST_MAJORMINOR@ $(GST_BASE_LIBS) $(GST_LIBS)
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libgstvideobalance_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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# libgstgamma_la_SOURCES = gstgamma.c
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# libgstgamma_la_SOURCES = gstgamma.c
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# libgstgamma_la_CFLAGS = $(GST_CFLAGS)
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# libgstgamma_la_CFLAGS = $(GST_CFLAGS)
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@ -23,6 +23,25 @@
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* gstvideobalance.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
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* gstvideobalance.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
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*/
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*/
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/**
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* SECTION:element-videobalance
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*
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* <refsect2>
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* <para>
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* Adjusts brightness, contrast, hue, saturation on a video stream.
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* </para>
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* <title>Example launch line</title>
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* <para>
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* <programlisting>
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* gst-launch videotestsrc ! videobalance saturation=0.0 ! ffmpegcolorspace ! ximagesink
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* </programlisting>
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* This pipeline converts the image to black and white by setting the saturation to 0.0.
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* </para>
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* </refsect2>
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*
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* Last reviewed on 2006-03-03 (0.10.3)
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*/
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#ifdef HAVE_CONFIG_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config.h"
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#endif
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#endif
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@ -34,417 +53,49 @@
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#include <string.h>
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#include <string.h>
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#include <math.h>
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#include <math.h>
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#include <gst/colorbalance/colorbalance.h>
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#include <gst/video/video.h>
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#include <gst/interfaces/colorbalance.h>
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static GstElementDetails video_balance_details =
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GST_ELEMENT_DETAILS ("Video Balance Control",
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"Filter/Effect/Video",
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"Adjusts brightness, contrast, hue, saturation on a video stream",
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"David Schleef <ds@schleef.org>");
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/* GstVideoBalance signals and args */
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#define DEFAULT_PROP_CONTRAST 1.0
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#define DEFAULT_PROP_BRIGHTNESS 0.0
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#define DEFAULT_PROP_HUE 0.0
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#define DEFAULT_PROP_SATURATION 1.0
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/* GstVideobalance signals and args */
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enum
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enum
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{
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{
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ARG_0,
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PROP_0,
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ARG_CONTRAST,
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PROP_CONTRAST,
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ARG_BRIGHTNESS,
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PROP_BRIGHTNESS,
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ARG_HUE,
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PROP_HUE,
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ARG_SATURATION
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PROP_SATURATION
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/* FILL ME */
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};
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};
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static GstVideofilterClass *parent_class = NULL;
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static GstStaticPadTemplate gst_video_balance_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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static void gst_videobalance_base_init (gpointer g_class);
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GST_PAD_SRC,
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static void gst_videobalance_class_init (gpointer g_class, gpointer class_data);
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GST_PAD_ALWAYS,
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static void gst_videobalance_init (GTypeInstance * instance, gpointer g_class);
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ IYUV, I420, YV12 }"))
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);
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static void gst_videobalance_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static GstStaticPadTemplate gst_video_balance_sink_template =
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static void gst_videobalance_get_property (GObject * object, guint prop_id,
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GST_STATIC_PAD_TEMPLATE ("sink",
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GValue * value, GParamSpec * pspec);
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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static void gst_videobalance_planar411 (GstVideofilter * videofilter,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ IYUV, I420, YV12 }"))
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void *dest, void *src);
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);
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static void gst_videobalance_setup (GstVideofilter * videofilter);
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static void gst_videobalance_interface_init (GstImplementsInterfaceClass *
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klass);
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static void gst_videobalance_colorbalance_init (GstColorBalanceClass * iface);
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static void gst_videobalance_dispose (GObject * object);
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static void gst_videobalance_update_properties (GstVideobalance * videobalance);
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GType
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gst_videobalance_get_type (void)
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{
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static GType videobalance_type = 0;
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if (!videobalance_type) {
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static const GTypeInfo videobalance_info = {
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sizeof (GstVideobalanceClass),
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gst_videobalance_base_init,
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NULL,
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gst_videobalance_class_init,
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NULL,
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NULL,
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sizeof (GstVideobalance),
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0,
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gst_videobalance_init,
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};
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static const GInterfaceInfo iface_info = {
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(GInterfaceInitFunc) gst_videobalance_interface_init,
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NULL,
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NULL,
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};
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static const GInterfaceInfo colorbalance_info = {
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(GInterfaceInitFunc) gst_videobalance_colorbalance_init,
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NULL,
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NULL,
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};
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videobalance_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
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"GstVideobalance", &videobalance_info, 0);
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g_type_add_interface_static (videobalance_type,
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GST_TYPE_IMPLEMENTS_INTERFACE, &iface_info);
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g_type_add_interface_static (videobalance_type, GST_TYPE_COLOR_BALANCE,
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&colorbalance_info);
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}
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return videobalance_type;
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}
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static void
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gst_videobalance_base_init (gpointer g_class)
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{
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static GstElementDetails videobalance_details =
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GST_ELEMENT_DETAILS ("Video Balance Control",
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"Filter/Effect/Video",
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"Adjusts brightness, contrast, hue, saturation on a video stream",
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"David Schleef <ds@schleef.org>");
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
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int i;
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gst_element_class_set_details (element_class, &videobalance_details);
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for (i = 0; i < G_N_ELEMENTS (gst_videobalance_formats); i++) {
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gst_videofilter_class_add_format (videofilter_class,
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gst_videobalance_formats + i);
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}
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gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
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}
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static void
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gst_videobalance_dispose (GObject * object)
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||||||
{
|
|
||||||
GList *channels = NULL;
|
|
||||||
GstVideobalance *balance;
|
|
||||||
gint i;
|
|
||||||
|
|
||||||
balance = GST_VIDEOBALANCE (object);
|
|
||||||
|
|
||||||
if (balance->tableu) {
|
|
||||||
for (i = 0; i < 256; i++)
|
|
||||||
g_free (balance->tableu[i]);
|
|
||||||
g_free (balance->tableu);
|
|
||||||
balance->tableu = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (balance->tablev) {
|
|
||||||
for (i = 0; i < 256; i++)
|
|
||||||
g_free (balance->tablev[i]);
|
|
||||||
g_free (balance->tablev);
|
|
||||||
balance->tablev = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (balance->tabley) {
|
|
||||||
g_free (balance->tabley);
|
|
||||||
balance->tabley = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
channels = balance->channels;
|
|
||||||
while (channels) {
|
|
||||||
GstColorBalanceChannel *channel = channels->data;
|
|
||||||
|
|
||||||
g_object_unref (channel);
|
|
||||||
channels->data = NULL;
|
|
||||||
channels = g_list_next (channels);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (balance->channels)
|
|
||||||
g_list_free (balance->channels);
|
|
||||||
|
|
||||||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_class_init (gpointer g_class, gpointer class_data)
|
|
||||||
{
|
|
||||||
GObjectClass *gobject_class;
|
|
||||||
GstVideofilterClass *videofilter_class;
|
|
||||||
|
|
||||||
gobject_class = G_OBJECT_CLASS (g_class);
|
|
||||||
videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
|
|
||||||
|
|
||||||
parent_class = g_type_class_ref (GST_TYPE_VIDEOFILTER);
|
|
||||||
|
|
||||||
gobject_class->set_property = gst_videobalance_set_property;
|
|
||||||
gobject_class->get_property = gst_videobalance_get_property;
|
|
||||||
|
|
||||||
g_object_class_install_property (gobject_class, ARG_CONTRAST,
|
|
||||||
g_param_spec_double ("contrast", "Contrast", "contrast",
|
|
||||||
0, 2, 1, G_PARAM_READWRITE));
|
|
||||||
g_object_class_install_property (gobject_class, ARG_BRIGHTNESS,
|
|
||||||
g_param_spec_double ("brightness", "Brightness", "brightness",
|
|
||||||
-1, 1, 0, G_PARAM_READWRITE));
|
|
||||||
g_object_class_install_property (gobject_class, ARG_HUE,
|
|
||||||
g_param_spec_double ("hue", "Hue", "hue", -1, 1, 0, G_PARAM_READWRITE));
|
|
||||||
g_object_class_install_property (gobject_class, ARG_SATURATION,
|
|
||||||
g_param_spec_double ("saturation", "Saturation", "saturation",
|
|
||||||
0, 2, 1, G_PARAM_READWRITE));
|
|
||||||
|
|
||||||
gobject_class->dispose = gst_videobalance_dispose;
|
|
||||||
|
|
||||||
videofilter_class->setup = gst_videobalance_setup;
|
|
||||||
|
|
||||||
#ifdef HAVE_LIBOIL
|
|
||||||
oil_init ();
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_init (GTypeInstance * instance, gpointer g_class)
|
|
||||||
{
|
|
||||||
GstVideobalance *videobalance = GST_VIDEOBALANCE (instance);
|
|
||||||
GstVideofilter *videofilter;
|
|
||||||
char *channels[4] = { "HUE", "SATURATION",
|
|
||||||
"BRIGHTNESS", "CONTRAST"
|
|
||||||
};
|
|
||||||
gint i;
|
|
||||||
|
|
||||||
GST_DEBUG ("gst_videobalance_init");
|
|
||||||
|
|
||||||
videofilter = GST_VIDEOFILTER (videobalance);
|
|
||||||
|
|
||||||
/* do stuff */
|
|
||||||
videobalance->contrast = 1.0;
|
|
||||||
videobalance->brightness = 0.0;
|
|
||||||
videobalance->saturation = 1.0;
|
|
||||||
videobalance->hue = 0.0;
|
|
||||||
|
|
||||||
videobalance->needupdate = FALSE;
|
|
||||||
videofilter->passthru = TRUE;
|
|
||||||
|
|
||||||
videobalance->tabley = g_new (guint8, 256);
|
|
||||||
videobalance->tableu = g_new (guint8 *, 256);
|
|
||||||
videobalance->tablev = g_new (guint8 *, 256);
|
|
||||||
for (i = 0; i < 256; i++) {
|
|
||||||
videobalance->tableu[i] = g_new (guint8, 256);
|
|
||||||
videobalance->tablev[i] = g_new (guint8, 256);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Generate the channels list */
|
|
||||||
for (i = 0; i < (sizeof (channels) / sizeof (char *)); i++) {
|
|
||||||
GstColorBalanceChannel *channel;
|
|
||||||
|
|
||||||
channel = g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL, NULL);
|
|
||||||
channel->label = g_strdup (channels[i]);
|
|
||||||
channel->min_value = -1000;
|
|
||||||
channel->max_value = 1000;
|
|
||||||
|
|
||||||
videobalance->channels = g_list_append (videobalance->channels, channel);
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_videobalance_interface_supported (GstImplementsInterface * iface,
|
|
||||||
GType type)
|
|
||||||
{
|
|
||||||
g_assert (type == GST_TYPE_COLOR_BALANCE);
|
|
||||||
return TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_interface_init (GstImplementsInterfaceClass * klass)
|
|
||||||
{
|
|
||||||
klass->supported = gst_videobalance_interface_supported;
|
|
||||||
}
|
|
||||||
|
|
||||||
static const GList *
|
|
||||||
gst_videobalance_colorbalance_list_channels (GstColorBalance * balance)
|
|
||||||
{
|
|
||||||
GstVideobalance *videobalance = GST_VIDEOBALANCE (balance);
|
|
||||||
|
|
||||||
g_return_val_if_fail (videobalance != NULL, NULL);
|
|
||||||
g_return_val_if_fail (GST_IS_VIDEOBALANCE (videobalance), NULL);
|
|
||||||
|
|
||||||
return videobalance->channels;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_colorbalance_set_value (GstColorBalance * balance,
|
|
||||||
GstColorBalanceChannel * channel, gint value)
|
|
||||||
{
|
|
||||||
GstVideobalance *vb = GST_VIDEOBALANCE (balance);
|
|
||||||
|
|
||||||
g_return_if_fail (vb != NULL);
|
|
||||||
g_return_if_fail (GST_IS_VIDEOBALANCE (vb));
|
|
||||||
g_return_if_fail (GST_IS_VIDEOFILTER (vb));
|
|
||||||
g_return_if_fail (channel->label != NULL);
|
|
||||||
|
|
||||||
if (!g_ascii_strcasecmp (channel->label, "HUE")) {
|
|
||||||
vb->hue = (value + 1000.0) * 2.0 / 2000.0 - 1.0;
|
|
||||||
} else if (!g_ascii_strcasecmp (channel->label, "SATURATION")) {
|
|
||||||
vb->saturation = (value + 1000.0) * 2.0 / 2000.0;
|
|
||||||
} else if (!g_ascii_strcasecmp (channel->label, "BRIGHTNESS")) {
|
|
||||||
vb->brightness = (value + 1000.0) * 2.0 / 2000.0 - 1.0;
|
|
||||||
} else if (!g_ascii_strcasecmp (channel->label, "CONTRAST")) {
|
|
||||||
vb->contrast = (value + 1000.0) * 2.0 / 2000.0;
|
|
||||||
}
|
|
||||||
|
|
||||||
gst_videobalance_update_properties (vb);
|
|
||||||
}
|
|
||||||
|
|
||||||
static gint
|
|
||||||
gst_videobalance_colorbalance_get_value (GstColorBalance * balance,
|
|
||||||
GstColorBalanceChannel * channel)
|
|
||||||
{
|
|
||||||
GstVideobalance *vb = GST_VIDEOBALANCE (balance);
|
|
||||||
gint value = 0;
|
|
||||||
|
|
||||||
g_return_val_if_fail (vb != NULL, 0);
|
|
||||||
g_return_val_if_fail (GST_IS_VIDEOBALANCE (vb), 0);
|
|
||||||
g_return_val_if_fail (channel->label != NULL, 0);
|
|
||||||
|
|
||||||
if (!g_ascii_strcasecmp (channel->label, "HUE")) {
|
|
||||||
value = (vb->hue + 1) * 2000.0 / 2.0 - 1000.0;
|
|
||||||
} else if (!g_ascii_strcasecmp (channel->label, "SATURATION")) {
|
|
||||||
value = vb->saturation * 2000.0 / 2.0 - 1000.0;
|
|
||||||
} else if (!g_ascii_strcasecmp (channel->label, "BRIGHTNESS")) {
|
|
||||||
value = (vb->brightness + 1) * 2000.0 / 2.0 - 1000.0;
|
|
||||||
} else if (!g_ascii_strcasecmp (channel->label, "CONTRAST")) {
|
|
||||||
value = vb->contrast * 2000.0 / 2.0 - 1000.0;
|
|
||||||
}
|
|
||||||
|
|
||||||
return value;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_colorbalance_init (GstColorBalanceClass * iface)
|
|
||||||
{
|
|
||||||
GST_COLOR_BALANCE_TYPE (iface) = GST_COLOR_BALANCE_SOFTWARE;
|
|
||||||
iface->list_channels = gst_videobalance_colorbalance_list_channels;
|
|
||||||
iface->set_value = gst_videobalance_colorbalance_set_value;
|
|
||||||
iface->get_value = gst_videobalance_colorbalance_get_value;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_update_properties (GstVideobalance * videobalance)
|
|
||||||
{
|
|
||||||
GstVideofilter *vf = GST_VIDEOFILTER (videobalance);
|
|
||||||
|
|
||||||
videobalance->needupdate = TRUE;
|
|
||||||
|
|
||||||
if (videobalance->contrast == 1.0 &&
|
|
||||||
videobalance->brightness == 0.0 &&
|
|
||||||
videobalance->hue == 0.0 && videobalance->saturation == 1.0) {
|
|
||||||
vf->passthru = TRUE;
|
|
||||||
} else {
|
|
||||||
vf->passthru = FALSE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_set_property (GObject * object, guint prop_id,
|
|
||||||
const GValue * value, GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstVideobalance *src;
|
|
||||||
|
|
||||||
g_return_if_fail (GST_IS_VIDEOBALANCE (object));
|
|
||||||
src = GST_VIDEOBALANCE (object);
|
|
||||||
|
|
||||||
GST_DEBUG ("gst_videobalance_set_property");
|
|
||||||
switch (prop_id) {
|
|
||||||
case ARG_CONTRAST:
|
|
||||||
src->contrast = g_value_get_double (value);
|
|
||||||
break;
|
|
||||||
case ARG_BRIGHTNESS:
|
|
||||||
src->brightness = g_value_get_double (value);
|
|
||||||
break;
|
|
||||||
case ARG_HUE:
|
|
||||||
src->hue = g_value_get_double (value);
|
|
||||||
break;
|
|
||||||
case ARG_SATURATION:
|
|
||||||
src->saturation = g_value_get_double (value);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
gst_videobalance_update_properties (src);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_get_property (GObject * object, guint prop_id, GValue * value,
|
|
||||||
GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstVideobalance *src;
|
|
||||||
|
|
||||||
g_return_if_fail (GST_IS_VIDEOBALANCE (object));
|
|
||||||
src = GST_VIDEOBALANCE (object);
|
|
||||||
|
|
||||||
switch (prop_id) {
|
|
||||||
case ARG_CONTRAST:
|
|
||||||
g_value_set_double (value, src->contrast);
|
|
||||||
break;
|
|
||||||
case ARG_BRIGHTNESS:
|
|
||||||
g_value_set_double (value, src->brightness);
|
|
||||||
break;
|
|
||||||
case ARG_HUE:
|
|
||||||
g_value_set_double (value, src->hue);
|
|
||||||
break;
|
|
||||||
case ARG_SATURATION:
|
|
||||||
g_value_set_double (value, src->saturation);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
plugin_init (GstPlugin * plugin)
|
|
||||||
{
|
|
||||||
if (!gst_library_load ("gstvideofilter"))
|
|
||||||
return FALSE;
|
|
||||||
|
|
||||||
return gst_element_register (plugin, "videobalance", GST_RANK_NONE,
|
|
||||||
GST_TYPE_VIDEOBALANCE);
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
||||||
GST_VERSION_MINOR,
|
|
||||||
"videobalance",
|
|
||||||
"Changes hue, saturation, brightness etc. on video images",
|
|
||||||
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_videobalance_setup (GstVideofilter * videofilter)
|
|
||||||
{
|
|
||||||
GstVideobalance *videobalance;
|
|
||||||
|
|
||||||
g_return_if_fail (GST_IS_VIDEOBALANCE (videofilter));
|
|
||||||
videobalance = GST_VIDEOBALANCE (videofilter);
|
|
||||||
|
|
||||||
/* if any setup needs to be done, do it here */
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* look-up tables (LUT).
|
* look-up tables (LUT).
|
||||||
*/
|
*/
|
||||||
|
|
||||||
static void
|
static void
|
||||||
gst_videobalance_update_tables_planar411 (GstVideobalance * vb)
|
gst_video_balance_update_tables_planar411 (GstVideoBalance * vb)
|
||||||
{
|
{
|
||||||
gint i, j;
|
gint i, j;
|
||||||
gdouble y, u, v, hue_cos, hue_sin;
|
gdouble y, u, v, hue_cos, hue_sin;
|
||||||
|
|
@ -484,6 +135,24 @@ gst_videobalance_update_tables_planar411 (GstVideobalance * vb)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_video_balance_is_passthrough (GstVideoBalance * videobalance)
|
||||||
|
{
|
||||||
|
return videobalance->contrast == 1.0 &&
|
||||||
|
videobalance->brightness == 0.0 &&
|
||||||
|
videobalance->hue == 0.0 && videobalance->saturation == 1.0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_update_properties (GstVideoBalance * videobalance)
|
||||||
|
{
|
||||||
|
videobalance->passthru = gst_video_balance_is_passthrough (videobalance);
|
||||||
|
|
||||||
|
if (!videobalance->passthru) {
|
||||||
|
gst_video_balance_update_tables_planar411 (videobalance);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
#ifndef HAVE_LIBOIL
|
#ifndef HAVE_LIBOIL
|
||||||
void
|
void
|
||||||
oil_tablelookup_u8 (guint8 * dest, int dstr, guint8 * src, int sstr,
|
oil_tablelookup_u8 (guint8 * dest, int dstr, guint8 * src, int sstr,
|
||||||
|
|
@ -499,53 +168,465 @@ oil_tablelookup_u8 (guint8 * dest, int dstr, guint8 * src, int sstr,
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
/* Useful macros */
|
||||||
|
#define GST_VIDEO_I420_Y_ROWSTRIDE(width) (GST_ROUND_UP_4(width))
|
||||||
|
#define GST_VIDEO_I420_U_ROWSTRIDE(width) (GST_ROUND_UP_8(width)/2)
|
||||||
|
#define GST_VIDEO_I420_V_ROWSTRIDE(width) ((GST_ROUND_UP_8(GST_VIDEO_I420_Y_ROWSTRIDE(width)))/2)
|
||||||
|
|
||||||
|
#define GST_VIDEO_I420_Y_OFFSET(w,h) (0)
|
||||||
|
#define GST_VIDEO_I420_U_OFFSET(w,h) (GST_VIDEO_I420_Y_OFFSET(w,h)+(GST_VIDEO_I420_Y_ROWSTRIDE(w)*GST_ROUND_UP_2(h)))
|
||||||
|
#define GST_VIDEO_I420_V_OFFSET(w,h) (GST_VIDEO_I420_U_OFFSET(w,h)+(GST_VIDEO_I420_U_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
|
||||||
|
#define GST_VIDEO_I420_SIZE(w,h) (GST_VIDEO_I420_V_OFFSET(w,h)+(GST_VIDEO_I420_V_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
|
||||||
|
|
||||||
static void
|
static void
|
||||||
gst_videobalance_planar411 (GstVideofilter * videofilter, void *dest, void *src)
|
gst_video_balance_planar411_ip (GstVideoBalance * videobalance, guint8 * data,
|
||||||
|
gint width, gint height)
|
||||||
{
|
{
|
||||||
GstVideobalance *videobalance;
|
|
||||||
int width;
|
|
||||||
int height;
|
|
||||||
int x, y;
|
int x, y;
|
||||||
|
guint8 *ydata;
|
||||||
|
guint8 *udata, *vdata;
|
||||||
|
gint ystride, ustride, vstride;
|
||||||
|
gint width2, height2;
|
||||||
|
|
||||||
g_return_if_fail (GST_IS_VIDEOBALANCE (videofilter));
|
ydata = data + GST_VIDEO_I420_Y_OFFSET (width, height);
|
||||||
videobalance = GST_VIDEOBALANCE (videofilter);
|
ystride = GST_VIDEO_I420_Y_ROWSTRIDE (width);
|
||||||
|
|
||||||
if (videobalance->needupdate) {
|
for (y = 0; y < height; y++) {
|
||||||
gst_videobalance_update_tables_planar411 (videobalance);
|
oil_tablelookup_u8 (ydata, 1, ydata, 1, videobalance->tabley, 1, width);
|
||||||
videobalance->needupdate = FALSE;
|
ydata += ystride;
|
||||||
}
|
}
|
||||||
|
|
||||||
width = videofilter->from_width;
|
width2 = width >> 1;
|
||||||
height = videofilter->from_height;
|
height2 = height >> 1;
|
||||||
|
|
||||||
{
|
udata = data + GST_VIDEO_I420_U_OFFSET (width, height);
|
||||||
guint8 *cdest = dest;
|
vdata = data + GST_VIDEO_I420_V_OFFSET (width, height);
|
||||||
guint8 *csrc = src;
|
ustride = GST_VIDEO_I420_U_ROWSTRIDE (width);
|
||||||
|
vstride = GST_VIDEO_I420_V_ROWSTRIDE (width);
|
||||||
|
|
||||||
for (y = 0; y < height; y++) {
|
for (y = 0; y < height2; y++) {
|
||||||
oil_tablelookup_u8 (cdest + y * width, 1, csrc + y * width, 1,
|
guint8 *uptr, *vptr;
|
||||||
videobalance->tabley, 1, width);
|
guint8 u1, v1;
|
||||||
|
|
||||||
|
uptr = udata + y * ustride;
|
||||||
|
vptr = vdata + y * vstride;
|
||||||
|
|
||||||
|
for (x = 0; x < width2; x++) {
|
||||||
|
u1 = *uptr;
|
||||||
|
v1 = *vptr;
|
||||||
|
|
||||||
|
*uptr++ = videobalance->tableu[u1][v1];
|
||||||
|
*vptr++ = videobalance->tablev[u1][v1];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* get notified of caps and plug in the correct process function */
|
||||||
|
static gboolean
|
||||||
|
gst_video_balance_set_caps (GstBaseTransform * base, GstCaps * incaps,
|
||||||
|
GstCaps * outcaps)
|
||||||
|
{
|
||||||
|
GstVideoBalance *this;
|
||||||
|
GstStructure *structure;
|
||||||
|
gboolean res;
|
||||||
|
|
||||||
|
this = GST_VIDEO_BALANCE (base);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (this,
|
||||||
|
"set_caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
|
||||||
|
|
||||||
|
structure = gst_caps_get_structure (incaps, 0);
|
||||||
|
|
||||||
|
res = gst_structure_get_int (structure, "width", &this->width);
|
||||||
|
res &= gst_structure_get_int (structure, "height", &this->height);
|
||||||
|
if (!res)
|
||||||
|
goto done;
|
||||||
|
|
||||||
|
this->size = GST_VIDEO_I420_SIZE (this->width, this->height);
|
||||||
|
|
||||||
|
done:
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_video_balance_transform_ip (GstBaseTransform * base, GstBuffer * outbuf)
|
||||||
|
{
|
||||||
|
GstVideoBalance *videobalance;
|
||||||
|
guint8 *data;
|
||||||
|
guint size;
|
||||||
|
gint width, height;
|
||||||
|
|
||||||
|
videobalance = GST_VIDEO_BALANCE (base);
|
||||||
|
|
||||||
|
/* if no change is needed, we are done */
|
||||||
|
if (videobalance->passthru)
|
||||||
|
goto done;
|
||||||
|
|
||||||
|
data = GST_BUFFER_DATA (outbuf);
|
||||||
|
size = GST_BUFFER_SIZE (outbuf);
|
||||||
|
|
||||||
|
width = videobalance->width;
|
||||||
|
height = videobalance->height;
|
||||||
|
|
||||||
|
if (size < videobalance->size)
|
||||||
|
goto wrong_size;
|
||||||
|
|
||||||
|
gst_video_balance_planar411_ip (videobalance, data,
|
||||||
|
videobalance->width, videobalance->height);
|
||||||
|
|
||||||
|
done:
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
|
||||||
|
/* ERRORS */
|
||||||
|
wrong_size:
|
||||||
{
|
{
|
||||||
gint u1, v1;
|
GST_ELEMENT_ERROR (videobalance, STREAM, FORMAT,
|
||||||
guint8 *usrc, *vsrc;
|
(NULL), ("Invalid buffer size %d, expected %d", size,
|
||||||
guint8 *udest, *vdest;
|
videobalance->size));
|
||||||
|
return GST_FLOW_ERROR;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
usrc = src + width * height;
|
|
||||||
udest = dest + width * height;
|
|
||||||
vsrc = src + width * height + (width / 2) * (height / 2);
|
|
||||||
vdest = dest + width * height + (width / 2) * (height / 2);
|
|
||||||
|
|
||||||
for (y = 0; y < height / 2; y++) {
|
/****************
|
||||||
for (x = 0; x < width / 2; x++) {
|
* Boilerplate
|
||||||
u1 = usrc[y * (width / 2) + x];
|
*/
|
||||||
v1 = vsrc[y * (width / 2) + x];
|
static GstVideoFilterClass *parent_class = NULL;
|
||||||
udest[y * (width / 2) + x] = videobalance->tableu[u1][v1];
|
|
||||||
vdest[y * (width / 2) + x] = videobalance->tablev[u1][v1];
|
static void gst_video_balance_set_property (GObject * object, guint prop_id,
|
||||||
}
|
const GValue * value, GParamSpec * pspec);
|
||||||
}
|
static void gst_video_balance_get_property (GObject * object, guint prop_id,
|
||||||
|
GValue * value, GParamSpec * pspec);
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_base_init (gpointer g_class)
|
||||||
|
{
|
||||||
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||||
|
|
||||||
|
gst_element_class_set_details (element_class, &video_balance_details);
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&gst_video_balance_sink_template));
|
||||||
|
gst_element_class_add_pad_template (element_class,
|
||||||
|
gst_static_pad_template_get (&gst_video_balance_src_template));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_finalize (GObject * object)
|
||||||
|
{
|
||||||
|
GList *channels = NULL;
|
||||||
|
GstVideoBalance *balance;
|
||||||
|
gint i;
|
||||||
|
|
||||||
|
balance = GST_VIDEO_BALANCE (object);
|
||||||
|
|
||||||
|
if (balance->tableu) {
|
||||||
|
for (i = 0; i < 256; i++)
|
||||||
|
g_free (balance->tableu[i]);
|
||||||
|
g_free (balance->tableu);
|
||||||
|
balance->tableu = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (balance->tablev) {
|
||||||
|
for (i = 0; i < 256; i++)
|
||||||
|
g_free (balance->tablev[i]);
|
||||||
|
g_free (balance->tablev);
|
||||||
|
balance->tablev = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (balance->tabley) {
|
||||||
|
g_free (balance->tabley);
|
||||||
|
balance->tabley = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
channels = balance->channels;
|
||||||
|
while (channels) {
|
||||||
|
GstColorBalanceChannel *channel = channels->data;
|
||||||
|
|
||||||
|
g_object_unref (channel);
|
||||||
|
channels->data = NULL;
|
||||||
|
channels = g_list_next (channels);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (balance->channels)
|
||||||
|
g_list_free (balance->channels);
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_class_init (gpointer g_class, gpointer class_data)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class;
|
||||||
|
GstBaseTransformClass *trans_class;
|
||||||
|
GstVideoFilterClass *videofilter_class;
|
||||||
|
|
||||||
|
gobject_class = G_OBJECT_CLASS (g_class);
|
||||||
|
trans_class = GST_BASE_TRANSFORM_CLASS (g_class);
|
||||||
|
videofilter_class = GST_VIDEO_FILTER_CLASS (g_class);
|
||||||
|
|
||||||
|
parent_class = g_type_class_peek_parent (g_class);
|
||||||
|
|
||||||
|
gobject_class->set_property = gst_video_balance_set_property;
|
||||||
|
gobject_class->get_property = gst_video_balance_get_property;
|
||||||
|
|
||||||
|
g_object_class_install_property (gobject_class, PROP_CONTRAST,
|
||||||
|
g_param_spec_double ("contrast", "Contrast", "contrast",
|
||||||
|
0.0, 2.0, DEFAULT_PROP_CONTRAST, G_PARAM_READWRITE));
|
||||||
|
g_object_class_install_property (gobject_class, PROP_BRIGHTNESS,
|
||||||
|
g_param_spec_double ("brightness", "Brightness", "brightness",
|
||||||
|
-1.0, 1.0, DEFAULT_PROP_BRIGHTNESS, G_PARAM_READWRITE));
|
||||||
|
g_object_class_install_property (gobject_class, PROP_HUE,
|
||||||
|
g_param_spec_double ("hue", "Hue", "hue",
|
||||||
|
-1.0, 1.0, DEFAULT_PROP_HUE, G_PARAM_READWRITE));
|
||||||
|
g_object_class_install_property (gobject_class, PROP_SATURATION,
|
||||||
|
g_param_spec_double ("saturation", "Saturation", "saturation",
|
||||||
|
0.0, 2.0, DEFAULT_PROP_SATURATION, G_PARAM_READWRITE));
|
||||||
|
|
||||||
|
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_video_balance_finalize);
|
||||||
|
|
||||||
|
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_balance_set_caps);
|
||||||
|
trans_class->transform_ip =
|
||||||
|
GST_DEBUG_FUNCPTR (gst_video_balance_transform_ip);
|
||||||
|
|
||||||
|
#ifdef HAVE_LIBOIL
|
||||||
|
oil_init ();
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_init (GTypeInstance * instance, gpointer g_class)
|
||||||
|
{
|
||||||
|
GstVideoBalance *videobalance = GST_VIDEO_BALANCE (instance);
|
||||||
|
GstVideoFilter *videofilter;
|
||||||
|
char *channels[4] = { "HUE", "SATURATION",
|
||||||
|
"BRIGHTNESS", "CONTRAST"
|
||||||
|
};
|
||||||
|
gint i;
|
||||||
|
|
||||||
|
GST_DEBUG ("gst_video_balance_init");
|
||||||
|
|
||||||
|
videofilter = GST_VIDEO_FILTER (videobalance);
|
||||||
|
|
||||||
|
/* do stuff */
|
||||||
|
videobalance->contrast = DEFAULT_PROP_CONTRAST;
|
||||||
|
videobalance->brightness = DEFAULT_PROP_BRIGHTNESS;
|
||||||
|
videobalance->hue = DEFAULT_PROP_HUE;
|
||||||
|
videobalance->saturation = DEFAULT_PROP_SATURATION;
|
||||||
|
|
||||||
|
gst_video_balance_update_properties (videobalance);
|
||||||
|
|
||||||
|
videobalance->tabley = g_new (guint8, 256);
|
||||||
|
videobalance->tableu = g_new (guint8 *, 256);
|
||||||
|
videobalance->tablev = g_new (guint8 *, 256);
|
||||||
|
for (i = 0; i < 256; i++) {
|
||||||
|
videobalance->tableu[i] = g_new (guint8, 256);
|
||||||
|
videobalance->tablev[i] = g_new (guint8, 256);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Generate the channels list */
|
||||||
|
for (i = 0; i < (sizeof (channels) / sizeof (char *)); i++) {
|
||||||
|
GstColorBalanceChannel *channel;
|
||||||
|
|
||||||
|
channel = g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL, NULL);
|
||||||
|
channel->label = g_strdup (channels[i]);
|
||||||
|
channel->min_value = -1000;
|
||||||
|
channel->max_value = 1000;
|
||||||
|
|
||||||
|
videobalance->channels = g_list_append (videobalance->channels, channel);
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_video_balance_interface_supported (GstImplementsInterface * iface,
|
||||||
|
GType type)
|
||||||
|
{
|
||||||
|
g_assert (type == GST_TYPE_COLOR_BALANCE);
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_interface_init (GstImplementsInterfaceClass * klass)
|
||||||
|
{
|
||||||
|
klass->supported = gst_video_balance_interface_supported;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const GList *
|
||||||
|
gst_video_balance_colorbalance_list_channels (GstColorBalance * balance)
|
||||||
|
{
|
||||||
|
GstVideoBalance *videobalance = GST_VIDEO_BALANCE (balance);
|
||||||
|
|
||||||
|
g_return_val_if_fail (videobalance != NULL, NULL);
|
||||||
|
g_return_val_if_fail (GST_IS_VIDEO_BALANCE (videobalance), NULL);
|
||||||
|
|
||||||
|
return videobalance->channels;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_colorbalance_set_value (GstColorBalance * balance,
|
||||||
|
GstColorBalanceChannel * channel, gint value)
|
||||||
|
{
|
||||||
|
GstVideoBalance *vb = GST_VIDEO_BALANCE (balance);
|
||||||
|
|
||||||
|
g_return_if_fail (vb != NULL);
|
||||||
|
g_return_if_fail (GST_IS_VIDEO_BALANCE (vb));
|
||||||
|
g_return_if_fail (GST_IS_VIDEO_FILTER (vb));
|
||||||
|
g_return_if_fail (channel->label != NULL);
|
||||||
|
|
||||||
|
if (!g_ascii_strcasecmp (channel->label, "HUE")) {
|
||||||
|
vb->hue = (value + 1000.0) * 2.0 / 2000.0 - 1.0;
|
||||||
|
} else if (!g_ascii_strcasecmp (channel->label, "SATURATION")) {
|
||||||
|
vb->saturation = (value + 1000.0) * 2.0 / 2000.0;
|
||||||
|
} else if (!g_ascii_strcasecmp (channel->label, "BRIGHTNESS")) {
|
||||||
|
vb->brightness = (value + 1000.0) * 2.0 / 2000.0 - 1.0;
|
||||||
|
} else if (!g_ascii_strcasecmp (channel->label, "CONTRAST")) {
|
||||||
|
vb->contrast = (value + 1000.0) * 2.0 / 2000.0;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_video_balance_update_properties (vb);
|
||||||
|
}
|
||||||
|
|
||||||
|
static gint
|
||||||
|
gst_video_balance_colorbalance_get_value (GstColorBalance * balance,
|
||||||
|
GstColorBalanceChannel * channel)
|
||||||
|
{
|
||||||
|
GstVideoBalance *vb = GST_VIDEO_BALANCE (balance);
|
||||||
|
gint value = 0;
|
||||||
|
|
||||||
|
g_return_val_if_fail (vb != NULL, 0);
|
||||||
|
g_return_val_if_fail (GST_IS_VIDEO_BALANCE (vb), 0);
|
||||||
|
g_return_val_if_fail (channel->label != NULL, 0);
|
||||||
|
|
||||||
|
if (!g_ascii_strcasecmp (channel->label, "HUE")) {
|
||||||
|
value = (vb->hue + 1) * 2000.0 / 2.0 - 1000.0;
|
||||||
|
} else if (!g_ascii_strcasecmp (channel->label, "SATURATION")) {
|
||||||
|
value = vb->saturation * 2000.0 / 2.0 - 1000.0;
|
||||||
|
} else if (!g_ascii_strcasecmp (channel->label, "BRIGHTNESS")) {
|
||||||
|
value = (vb->brightness + 1) * 2000.0 / 2.0 - 1000.0;
|
||||||
|
} else if (!g_ascii_strcasecmp (channel->label, "CONTRAST")) {
|
||||||
|
value = vb->contrast * 2000.0 / 2.0 - 1000.0;
|
||||||
|
}
|
||||||
|
|
||||||
|
return value;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_colorbalance_init (GstColorBalanceClass * iface)
|
||||||
|
{
|
||||||
|
GST_COLOR_BALANCE_TYPE (iface) = GST_COLOR_BALANCE_SOFTWARE;
|
||||||
|
iface->list_channels = gst_video_balance_colorbalance_list_channels;
|
||||||
|
iface->set_value = gst_video_balance_colorbalance_set_value;
|
||||||
|
iface->get_value = gst_video_balance_colorbalance_get_value;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_set_property (GObject * object, guint prop_id,
|
||||||
|
const GValue * value, GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstVideoBalance *src;
|
||||||
|
|
||||||
|
src = GST_VIDEO_BALANCE (object);
|
||||||
|
|
||||||
|
GST_DEBUG ("gst_video_balance_set_property");
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_CONTRAST:
|
||||||
|
src->contrast = g_value_get_double (value);
|
||||||
|
break;
|
||||||
|
case PROP_BRIGHTNESS:
|
||||||
|
src->brightness = g_value_get_double (value);
|
||||||
|
break;
|
||||||
|
case PROP_HUE:
|
||||||
|
src->hue = g_value_get_double (value);
|
||||||
|
break;
|
||||||
|
case PROP_SATURATION:
|
||||||
|
src->saturation = g_value_get_double (value);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_video_balance_update_properties (src);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_video_balance_get_property (GObject * object, guint prop_id, GValue * value,
|
||||||
|
GParamSpec * pspec)
|
||||||
|
{
|
||||||
|
GstVideoBalance *src;
|
||||||
|
|
||||||
|
src = GST_VIDEO_BALANCE (object);
|
||||||
|
|
||||||
|
switch (prop_id) {
|
||||||
|
case PROP_CONTRAST:
|
||||||
|
g_value_set_double (value, src->contrast);
|
||||||
|
break;
|
||||||
|
case PROP_BRIGHTNESS:
|
||||||
|
g_value_set_double (value, src->brightness);
|
||||||
|
break;
|
||||||
|
case PROP_HUE:
|
||||||
|
g_value_set_double (value, src->hue);
|
||||||
|
break;
|
||||||
|
case PROP_SATURATION:
|
||||||
|
g_value_set_double (value, src->saturation);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
GType
|
||||||
|
gst_video_balance_get_type (void)
|
||||||
|
{
|
||||||
|
static GType video_balance_type = 0;
|
||||||
|
|
||||||
|
if (!video_balance_type) {
|
||||||
|
static const GTypeInfo video_balance_info = {
|
||||||
|
sizeof (GstVideoBalanceClass),
|
||||||
|
gst_video_balance_base_init,
|
||||||
|
NULL,
|
||||||
|
gst_video_balance_class_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
sizeof (GstVideoBalance),
|
||||||
|
0,
|
||||||
|
gst_video_balance_init,
|
||||||
|
};
|
||||||
|
|
||||||
|
static const GInterfaceInfo iface_info = {
|
||||||
|
(GInterfaceInitFunc) gst_video_balance_interface_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
static const GInterfaceInfo colorbalance_info = {
|
||||||
|
(GInterfaceInitFunc) gst_video_balance_colorbalance_init,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
|
||||||
|
video_balance_type = g_type_register_static (GST_TYPE_VIDEO_FILTER,
|
||||||
|
"GstVideoBalance", &video_balance_info, 0);
|
||||||
|
|
||||||
|
g_type_add_interface_static (video_balance_type,
|
||||||
|
GST_TYPE_IMPLEMENTS_INTERFACE, &iface_info);
|
||||||
|
g_type_add_interface_static (video_balance_type, GST_TYPE_COLOR_BALANCE,
|
||||||
|
&colorbalance_info);
|
||||||
|
}
|
||||||
|
return video_balance_type;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
return gst_element_register (plugin, "videobalance", GST_RANK_NONE,
|
||||||
|
GST_TYPE_VIDEO_BALANCE);
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"videobalance",
|
||||||
|
"Changes hue, saturation, brightness etc. on video images",
|
||||||
|
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|
||||||
|
|
|
||||||
|
|
@ -18,47 +18,61 @@
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
||||||
#ifndef __GST_VIDEOBALANCE_H__
|
#ifndef __GST_VIDEO_BALANCE_H__
|
||||||
#define __GST_VIDEOBALANCE_H__
|
#define __GST_VIDEO_BALANCE_H__
|
||||||
|
|
||||||
#include "gstvideofilter.h"
|
#include <gst/video/gstvideofilter.h>
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
#define GST_TYPE_VIDEOBALANCE \
|
#define GST_TYPE_VIDEO_BALANCE \
|
||||||
(gst_videobalance_get_type())
|
(gst_video_balance_get_type())
|
||||||
#define GST_VIDEOBALANCE(obj) \
|
#define GST_VIDEO_BALANCE(obj) \
|
||||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOBALANCE,GstVideobalance))
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_BALANCE,GstVideoBalance))
|
||||||
#define GST_VIDEOBALANCE_CLASS(klass) \
|
#define GST_VIDEO_BALANCE_CLASS(klass) \
|
||||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEOBALANCE,GstVideobalanceClass))
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_BALANCE,GstVideoBalanceClass))
|
||||||
#define GST_IS_VIDEOBALANCE(obj) \
|
#define GST_IS_VIDEO_BALANCE(obj) \
|
||||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOBALANCE))
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_BALANCE))
|
||||||
#define GST_IS_VIDEOBALANCE_CLASS(obj) \
|
#define GST_IS_VIDEO_BALANCE_CLASS(obj) \
|
||||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEOBALANCE))
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_BALANCE))
|
||||||
|
|
||||||
typedef struct _GstVideobalance GstVideobalance;
|
typedef struct _GstVideoBalance GstVideoBalance;
|
||||||
typedef struct _GstVideobalanceClass GstVideobalanceClass;
|
typedef struct _GstVideoBalanceClass GstVideoBalanceClass;
|
||||||
|
|
||||||
struct _GstVideobalance {
|
/**
|
||||||
GstVideofilter videofilter;
|
* GstVideoBalance:
|
||||||
|
*
|
||||||
|
* Opaque data structure.
|
||||||
|
*/
|
||||||
|
struct _GstVideoBalance {
|
||||||
|
GstVideoFilter videofilter;
|
||||||
|
|
||||||
guint8 *tabley, **tableu, **tablev;
|
/* channels for interface */
|
||||||
gboolean needupdate;
|
GList *channels;
|
||||||
|
|
||||||
|
/* properties */
|
||||||
gdouble contrast;
|
gdouble contrast;
|
||||||
gdouble brightness;
|
gdouble brightness;
|
||||||
gdouble hue;
|
gdouble hue;
|
||||||
gdouble saturation;
|
gdouble saturation;
|
||||||
|
|
||||||
GList *channels;
|
gboolean passthru;
|
||||||
|
|
||||||
|
/* format */
|
||||||
|
gint width;
|
||||||
|
gint height;
|
||||||
|
gint size;
|
||||||
|
|
||||||
|
/* tables */
|
||||||
|
guint8 *tabley, **tableu, **tablev;
|
||||||
};
|
};
|
||||||
|
|
||||||
struct _GstVideobalanceClass {
|
struct _GstVideoBalanceClass {
|
||||||
GstVideofilterClass parent_class;
|
GstVideoFilterClass parent_class;
|
||||||
};
|
};
|
||||||
|
|
||||||
GType gst_videobalance_get_type(void);
|
GType gst_video_balance_get_type(void);
|
||||||
|
|
||||||
G_END_DECLS
|
G_END_DECLS
|
||||||
|
|
||||||
#endif /* __GST_VIDEOBALANCE_H__ */
|
#endif /* __GST_VIDEO_BALANCE_H__ */
|
||||||
|
|
|
||||||
|
|
@ -22,6 +22,25 @@
|
||||||
* This file was (probably) generated from gstvideoflip.c,
|
* This file was (probably) generated from gstvideoflip.c,
|
||||||
* gstvideoflip.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
|
* gstvideoflip.c,v 1.7 2003/11/08 02:48:59 dschleef Exp
|
||||||
*/
|
*/
|
||||||
|
/**
|
||||||
|
* SECTION:element-videoflip
|
||||||
|
*
|
||||||
|
* <refsect2>
|
||||||
|
* <para>
|
||||||
|
* Flips and rotates video.
|
||||||
|
* </para>
|
||||||
|
* <title>Example launch line</title>
|
||||||
|
* <para>
|
||||||
|
* <programlisting>
|
||||||
|
* gst-launch videotestsrc ! videoflip method=clockwise ! ffmpegcolorspace ! ximagesink
|
||||||
|
* </programlisting>
|
||||||
|
* This pipeline flips the test image 90 degrees clockwise.
|
||||||
|
* </para>
|
||||||
|
* </refsect2>
|
||||||
|
*
|
||||||
|
* Last reviewed on 2006-03-03 (0.10.3)
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
#ifdef HAVE_CONFIG_H
|
||||||
#include "config.h"
|
#include "config.h"
|
||||||
|
|
|
||||||
|
|
@ -24,6 +24,19 @@
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GstVideoFlipMethod:
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_IDENTITY: Identity (no rotation)
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_90R: Rotate clockwise 90 degrees
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_180: Rotate 180 degrees
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_90L: Rotate counter-clockwise 90 degrees
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_HORIZ: Flip horizontally
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_VERT: Flip vertically
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_TRANS: Flip across upper left/lower right diagonal
|
||||||
|
* @GST_VIDEO_FLIP_METHOD_OTHER: Flip across upper right/lower left diagonal
|
||||||
|
*
|
||||||
|
* The different flip methods.
|
||||||
|
*/
|
||||||
typedef enum {
|
typedef enum {
|
||||||
GST_VIDEO_FLIP_METHOD_IDENTITY,
|
GST_VIDEO_FLIP_METHOD_IDENTITY,
|
||||||
GST_VIDEO_FLIP_METHOD_90R,
|
GST_VIDEO_FLIP_METHOD_90R,
|
||||||
|
|
@ -49,6 +62,11 @@ typedef enum {
|
||||||
typedef struct _GstVideoFlip GstVideoFlip;
|
typedef struct _GstVideoFlip GstVideoFlip;
|
||||||
typedef struct _GstVideoFlipClass GstVideoFlipClass;
|
typedef struct _GstVideoFlipClass GstVideoFlipClass;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GstVideoFlip:
|
||||||
|
*
|
||||||
|
* Opaque datastructure.
|
||||||
|
*/
|
||||||
struct _GstVideoFlip {
|
struct _GstVideoFlip {
|
||||||
GstVideoFilter videofilter;
|
GstVideoFilter videofilter;
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue