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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Wrap gst-plugins-base's video helper library.
Original commit message from CVS: * configure.ac: * gst/Makefile.am: * gst/video.defs: * gst/video.override: * gst/videomodule.c: (initvideo): Wrap gst-plugins-base's video helper library. Partially fixes #565762
This commit is contained in:
Edward Hervey
parent
2b32341a3a
commit
8aa05d4cd7
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2008-12-31 Edward Hervey <edward.hervey@collabora.co.uk>
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* configure.ac:
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* gst/Makefile.am:
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* gst/video.defs:
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* gst/video.override:
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* gst/videomodule.c: (initvideo):
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Wrap gst-plugins-base's video helper library.
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Partially fixes #565762
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2008-12-31 Edward Hervey <edward.hervey@collabora.co.uk>
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* configure.ac:
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@ -185,6 +185,7 @@ then
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if test $GST_PB_MINOR_VERSION -ge "22"
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then
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AC_DEFINE_UNQUOTED(HAVE_GST_AUDIO, 1, [We can use the gst-audio library])
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AC_DEFINE_UNQUOTED(HAVE_GST_VIDEO, 1, [We can use the gst-video library])
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fi
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else
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@ -201,6 +202,7 @@ else
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IGNORE_GST_PB_0_10_18=""
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AC_DEFINE_UNQUOTED(HAVE_PLUGINS_INSTALL, 1, [We can use the plugins-install methods])
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AC_DEFINE_UNQUOTED(HAVE_GST_AUDIO, 1, [We can use the gst-audio library])
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AC_DEFINE_UNQUOTED(HAVE_GST_VIDEO, 1, [We can use the gst-video library])
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fi
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AC_DEFINE_UNQUOTED(HAVE_VIDEO_ORIENTATION_INTERFACE, 1, [We can use the videoorientation interface])
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AC_SUBST(IGNORE_GST_0_10_13)
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@ -217,6 +219,7 @@ AC_SUBST(IGNORE_GST_PB_0_10_18)
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AC_SUBST(HAVE_VIDEO_ORIENTATION)
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AC_SUBST(HAVE_PLUGINS_INSTALL)
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AM_CONDITIONAL(HAVE_GST_AUDIO, $HAVE_GST_AUDIO)
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AM_CONDITIONAL(HAVE_GST_VIDEO, $HAVE_GST_VIDEO)
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dnl check for gstreamer-base; uninstalled is selected preferentially
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PKG_CHECK_MODULES(GST_BASE, gstreamer-base-$GST_MAJORMINOR >= $GST_REQ,
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@ -127,6 +127,29 @@ audio.c: $(AUDIO_DEFS) $(AUDIO_OVERRIDES) $(GEN_FILES)
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endif
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# GStreamer video bindings
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VIDEO_OVERRIDES = video.override
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VIDEO_DEFS = video.defs
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CLEANFILES += video.c
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EXTRA_DIST += $(VIDEO_DEFS) $(VIDEO_OVERRIDES)
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defs_DATA += $(VIDEO_DEFS)
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GEN_FILES += $(VIDEO_DEFS)
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if HAVE_GST_VIDEO
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video_lib = video.la
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pygstexec_LTLIBRARIES += $(video_lib)
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video_la_CFLAGS = $(common_cflags) $(GST_PLUGINS_BASE_CFLAGS)
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video_la_LIBADD = $(common_libadd) $(GST_PLUGINS_BASE_LIBS) -lgstvideo-0.10
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video_la_LDFLAGS = $(common_ldflags) \
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-export-symbols-regex "^(initvideo|_PyGObject_API).*" $(GST_PLUGINS_BASE_LIBS)
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video_la_SOURCES = videomodule.c gst-argtypes.c pygstminiobject.c
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nodist_video_la_SOURCES = video.c
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video.c: $(VIDEO_DEFS) $(VIDEO_OVERRIDES) $(GEN_FILES)
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endif
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.defs.c:
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($(PYTHON) $(top_srcdir)/codegen/codegen.py \
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--load-types $(srcdir)/arg-types.py \
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255
gst/video.defs
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255
gst/video.defs
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@ -0,0 +1,255 @@
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;; -*- scheme -*-
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; object definitions ...
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(define-object VideoFilter
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(in-module "Gst")
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(parent "GstBaseTransform")
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(c-name "GstVideoFilter")
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(gtype-id "GST_TYPE_VIDEO_FILTER")
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)
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(define-object VideoSink
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(in-module "Gst")
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(parent "GstBaseSink")
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(c-name "GstVideoSink")
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(gtype-id "GST_TYPE_VIDEO_SINK")
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)
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;; Enumerations and flags ...
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(define-enum VideoFormat
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(in-module "Gst")
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(c-name "GstVideoFormat")
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(gtype-id "GST_TYPE_VIDEO_FORMAT")
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(values
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'("unknown" "GST_VIDEO_FORMAT_UNKNOWN")
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'("i420" "GST_VIDEO_FORMAT_I420")
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'("yv12" "GST_VIDEO_FORMAT_YV12")
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'("yuy2" "GST_VIDEO_FORMAT_YUY2")
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'("uyvy" "GST_VIDEO_FORMAT_UYVY")
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'("ayuv" "GST_VIDEO_FORMAT_AYUV")
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'("rgbx" "GST_VIDEO_FORMAT_RGBx")
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'("bgrx" "GST_VIDEO_FORMAT_BGRx")
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'("xrgb" "GST_VIDEO_FORMAT_xRGB")
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'("xbgr" "GST_VIDEO_FORMAT_xBGR")
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'("rgba" "GST_VIDEO_FORMAT_RGBA")
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'("bgra" "GST_VIDEO_FORMAT_BGRA")
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'("argb" "GST_VIDEO_FORMAT_ARGB")
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'("abgr" "GST_VIDEO_FORMAT_ABGR")
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'("rgb" "GST_VIDEO_FORMAT_RGB")
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'("bgr" "GST_VIDEO_FORMAT_BGR")
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'("y41b" "GST_VIDEO_FORMAT_Y41B")
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'("y42b" "GST_VIDEO_FORMAT_Y42B")
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)
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)
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;; From gstvideofilter.h
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(define-function gst_video_filter_get_type
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(c-name "gst_video_filter_get_type")
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(return-type "GType")
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)
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;; From gstvideosink.h
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(define-function gst_video_sink_get_type
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(c-name "gst_video_sink_get_type")
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(return-type "GType")
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)
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(define-function video_sink_center_rect
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(c-name "gst_video_sink_center_rect")
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(return-type "none")
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(parameters
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'("GstVideoRectangle" "src")
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'("GstVideoRectangle" "dst")
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'("GstVideoRectangle*" "result")
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'("gboolean" "scaling")
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)
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)
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;; From video.h
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(define-function get_size
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(c-name "gst_video_get_size")
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(return-type "gboolean")
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(parameters
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'("GstPad*" "pad")
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'("gint*" "width")
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'("gint*" "height")
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)
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)
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(define-function calculate_display_ratio
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(c-name "gst_video_calculate_display_ratio")
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(return-type "gboolean")
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(parameters
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'("guint*" "dar_n")
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'("guint*" "dar_d")
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'("guint" "video_width")
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'("guint" "video_height")
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'("guint" "video_par_n")
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'("guint" "video_par_d")
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'("guint" "display_par_n")
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'("guint" "display_par_d")
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)
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)
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(define-function format_parse_caps
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(c-name "gst_video_format_parse_caps")
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(return-type "gboolean")
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(parameters
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'("GstCaps*" "caps")
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'("GstVideoFormat*" "format")
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'("int*" "width")
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'("int*" "height")
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)
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)
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(define-function parse_caps_framerate
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(c-name "gst_video_parse_caps_framerate")
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(return-type "gboolean")
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(parameters
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'("GstCaps*" "caps")
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'("int*" "fps_n")
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'("int*" "fps_d")
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)
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)
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(define-function parse_caps_pixel_aspect_ratio
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(c-name "gst_video_parse_caps_pixel_aspect_ratio")
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(return-type "gboolean")
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(parameters
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'("GstCaps*" "caps")
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'("int*" "par_n")
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'("int*" "par_d")
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)
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)
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(define-method new_caps
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_new_caps")
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(return-type "GstCaps*")
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(parameters
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'("int" "width")
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'("int" "height")
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'("int" "framerate_n")
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'("int" "framerate_d")
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'("int" "par_n")
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'("int" "par_d")
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)
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)
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(define-function format_from_fourcc
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(c-name "gst_video_format_from_fourcc")
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(return-type "GstVideoFormat")
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(parameters
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'("guint32" "fourcc")
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)
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)
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(define-method to_fourcc
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_to_fourcc")
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(return-type "guint32")
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)
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(define-method is_rgb
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_is_rgb")
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(return-type "gboolean")
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)
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(define-method is_yuv
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_is_yuv")
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(return-type "gboolean")
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)
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(define-method has_alpha
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_has_alpha")
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(return-type "gboolean")
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)
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(define-method get_row_stride
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_get_row_stride")
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(return-type "int")
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(parameters
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'("int" "component")
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'("int" "width")
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)
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)
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(define-method get_pixel_stride
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_get_pixel_stride")
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(return-type "int")
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(parameters
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'("int" "component")
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)
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)
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(define-method get_component_width
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_get_component_width")
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(return-type "int")
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(parameters
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'("int" "component")
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'("int" "width")
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)
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)
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(define-method get_component_height
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_get_component_height")
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(return-type "int")
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(parameters
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'("int" "component")
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'("int" "height")
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)
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)
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(define-method get_component_offset
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_get_component_offset")
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(return-type "int")
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(parameters
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'("int" "component")
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'("int" "width")
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'("int" "height")
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)
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)
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(define-method get_size
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_get_size")
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(return-type "int")
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(parameters
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'("int" "width")
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'("int" "height")
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)
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)
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(define-method convert
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(of-object "GstVideoFormat")
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(c-name "gst_video_format_convert")
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(return-type "gboolean")
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(parameters
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'("int" "width")
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'("int" "height")
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'("int" "fps_n")
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'("int" "fps_d")
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'("GstFormat" "src_format")
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'("gint64" "src_value")
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'("GstFormat" "dest_format")
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'("gint64*" "dest_value")
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)
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)
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65
gst/video.override
Normal file
65
gst/video.override
Normal file
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@ -0,0 +1,65 @@
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/* -*- Mode: C; c-basic-offset: 4 -*- */
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/* gst-python
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* Copyright (C) 2008 <edward.hervey@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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%%
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headers
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#define NO_IMPORT_PYGOBJECT
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#include "common.h"
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideofilter.h>
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#include <gst/video/gstvideosink.h>
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#include "pygstminiobject.h"
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GST_DEBUG_CATEGORY_EXTERN (pygst_debug);
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#define GST_CAT_DEFAULT pygst_debug
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/* Boonky define that allows for backwards compatibility with Python 2.4 */
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#if PY_VERSION_HEX < 0x02050000
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#define Py_ssize_t int
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#endif
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%%
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modulename gst.video
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%%
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import gobject.GObject as PyGObject_Type
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import gst.Object as PyGstObject_Type
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import gst.Structure as PyGstStructure_Type
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import gst.Element as PyGstElement_Type
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import gst.Pad as PyGstPad_Type
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import gst.Buffer as PyGstBuffer_Type
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import gst.Message as PyGstMessage_Type
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import gst.SystemClock as PyGstSystemClock_Type
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import gst.BaseTransform as PyGstBaseTransform_Type
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import gst.BaseSink as PyGstBaseSink_Type
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%%
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include
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gstversion.override
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%%
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ignore-glob
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_*
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*init
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*_free
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*_get_type
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56
gst/videomodule.c
Normal file
56
gst/videomodule.c
Normal file
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@ -0,0 +1,56 @@
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/* -*- Mode: C; c-basic-offset: 4 -*- */
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/* gst-python
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* Copyright (C) 2008 Edward Hervey <edward.hervey@collabora.co.uk>
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*
|
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* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
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* Boston, MA 02111-1307, USA.
|
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* include this first, before NO_IMPORT_PYGOBJECT is defined */
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#include <pygobject.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/gstvideofilter.h>
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void pyvideo_register_classes (PyObject *d);
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void pyvideo_add_constants(PyObject *module, const gchar *strip_prefix);
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extern PyMethodDef pyvideo_functions[];
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GST_DEBUG_CATEGORY (pygst_debug); /* for python code */
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DL_EXPORT(void)
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initvideo (void)
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{
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PyObject *m, *d;
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init_pygobject ();
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m = Py_InitModule ("video", pyvideo_functions);
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d = PyModule_GetDict (m);
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pyvideo_register_classes (d);
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pyvideo_add_constants (m, "GST_");
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if (PyErr_Occurred ()) {
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PyErr_Print ();
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Py_FatalError ("can't initialize module gst.video");
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}
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}
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