mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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[056/906] * configure.ac: Readd pre-pkgconfig OpenGL detection, since pkgconfig requires Mesa from git master. * gst/gl/glimagesink.c: * gst/gl/gstopengl.c: Move debug category initialization to element. * gst-libs/gst/gl/Makefile.am: * gst-libs/gst/gl/gstglfilter.c: * gst-libs/gst/gl/gstglfilter.h: * gst/gl/gstglfilter.c: * gst/gl/gstglfilter.h: Move glfilter to library. * pkgconfig/gstreamer-plugins-gl.pc.in: Add gstreamer-base-0.10 as a requirement. * po/en.po: Update.
This commit is contained in:
David Schleef
Tim-Philipp Müller
parent
2134ce8c9c
commit
894db7a964
3 changed files with 392 additions and 2 deletions
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@ -4,13 +4,15 @@ lib_LTLIBRARIES = libgstgl-@GST_MAJORMINOR@.la
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libgstgl_@GST_MAJORMINOR@_la_SOURCES = \
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glextensions.c \
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gstglbuffer.c \
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gstgldisplay.c
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gstgldisplay.c \
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gstglfilter.c
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libgstgl_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/gl
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libgstgl_@GST_MAJORMINOR@include_HEADERS = \
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glextensions.h \
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gstglbuffer.h \
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gstgldisplay.h
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gstgldisplay.h \
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gstglfilter.h
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libgstgl_@GST_MAJORMINOR@_la_LIBADD = \
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$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) \
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323
gst-libs/gst/gl/gstglfilter.c
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323
gst-libs/gst/gl/gstglfilter.c
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@ -0,0 +1,323 @@
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/*
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* GStreamer
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* Copyright (C) 2007 David Schleef <ds@schleef.org>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gstglbuffer.h>
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#include <gstglfilter.h>
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#include "glextensions.h"
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#define GST_CAT_DEFAULT gst_gl_filter_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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static GstStaticPadTemplate gst_gl_filter_src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
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);
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static GstStaticPadTemplate gst_gl_filter_sink_pad_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
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);
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_gl_filter_debug, "glfilter", 0, "glfilter element");
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GST_BOILERPLATE_FULL (GstGLFilter, gst_gl_filter, GstBaseTransform,
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GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
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static void gst_gl_filter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_gl_filter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_gl_filter_reset (GstGLFilter * filter);
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static gboolean gst_gl_filter_start (GstBaseTransform * bt);
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static gboolean gst_gl_filter_stop (GstBaseTransform * bt);
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static gboolean gst_gl_filter_get_unit_size (GstBaseTransform * trans,
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GstCaps * caps, guint * size);
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static GstFlowReturn gst_gl_filter_transform (GstBaseTransform * bt,
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GstBuffer * inbuf, GstBuffer * outbuf);
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static GstFlowReturn gst_gl_filter_prepare_output_buffer (GstBaseTransform *
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trans, GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf);
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static gboolean gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
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GstCaps * outcaps);
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static gboolean gst_gl_filter_do_transform (GstGLFilter * filter,
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GstGLBuffer * inbuf, GstGLBuffer * outbuf);
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static void
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gst_gl_filter_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_gl_filter_src_pad_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_gl_filter_sink_pad_template));
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}
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static void
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gst_gl_filter_class_init (GstGLFilterClass * klass)
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{
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GObjectClass *gobject_class;
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gobject_class = (GObjectClass *) klass;
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gobject_class->set_property = gst_gl_filter_set_property;
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gobject_class->get_property = gst_gl_filter_get_property;
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GST_BASE_TRANSFORM_CLASS (klass)->transform = gst_gl_filter_transform;
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GST_BASE_TRANSFORM_CLASS (klass)->start = gst_gl_filter_start;
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GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_filter_stop;
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GST_BASE_TRANSFORM_CLASS (klass)->set_caps = gst_gl_filter_set_caps;
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GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size = gst_gl_filter_get_unit_size;
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GST_BASE_TRANSFORM_CLASS (klass)->prepare_output_buffer =
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gst_gl_filter_prepare_output_buffer;
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}
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static void
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gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass)
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{
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//gst_element_create_all_pads (GST_ELEMENT (filter));
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filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink");
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filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src");
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gst_gl_filter_reset (filter);
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}
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static void
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gst_gl_filter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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//GstGLFilter *filter = GST_GL_FILTER (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_filter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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//GstGLFilter *filter = GST_GL_FILTER (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_gl_filter_reset (GstGLFilter * filter)
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{
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if (filter->display) {
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g_object_unref (filter->display);
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filter->display = NULL;
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}
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filter->format = GST_GL_BUFFER_FORMAT_UNKNOWN;
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filter->width = 0;
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filter->height = 0;
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}
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static gboolean
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gst_gl_filter_start (GstBaseTransform * bt)
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{
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return TRUE;
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}
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static gboolean
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gst_gl_filter_stop (GstBaseTransform * bt)
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{
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GstGLFilter *filter = GST_GL_FILTER (bt);
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gst_gl_filter_reset (filter);
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return TRUE;
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}
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static gboolean
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gst_gl_filter_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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guint * size)
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{
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gboolean ret;
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GstGLBufferFormat format;
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int width;
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int height;
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ret = gst_gl_buffer_format_parse_caps (caps, &format, &width, &height);
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if (ret) {
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*size = gst_gl_buffer_format_get_size (format, width, height);
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}
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return TRUE;
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}
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static GstFlowReturn
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gst_gl_filter_prepare_output_buffer (GstBaseTransform * trans,
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GstBuffer * inbuf, gint size, GstCaps * caps, GstBuffer ** buf)
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{
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GstGLFilter *filter;
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GstGLBuffer *gl_inbuf = GST_GL_BUFFER (inbuf);
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GstGLBuffer *gl_outbuf;
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filter = GST_GL_FILTER (trans);
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if (filter->display == NULL) {
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filter->display = gl_inbuf->display;
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}
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gl_outbuf = gst_gl_buffer_new_with_format (filter->display,
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filter->format, filter->width, filter->height);
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*buf = GST_BUFFER (gl_outbuf);
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gst_buffer_set_caps (*buf, caps);
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return GST_FLOW_OK;
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}
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static gboolean
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gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstGLFilter *filter;
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gboolean ret;
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filter = GST_GL_FILTER (bt);
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ret = gst_gl_buffer_format_parse_caps (incaps, &filter->format,
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&filter->width, &filter->height);
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if (!ret) {
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GST_DEBUG ("bad caps");
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return FALSE;
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}
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GST_ERROR ("set_caps %d %d", filter->width, filter->height);
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return ret;
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}
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static GstFlowReturn
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gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
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GstBuffer * outbuf)
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{
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GstGLFilter *filter;
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GstGLBuffer *gl_inbuf = GST_GL_BUFFER (inbuf);
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GstGLBuffer *gl_outbuf = GST_GL_BUFFER (outbuf);
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filter = GST_GL_FILTER (bt);
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gst_gl_filter_do_transform (filter, gl_inbuf, gl_outbuf);
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return GST_FLOW_OK;
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}
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static gboolean
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gst_gl_filter_do_transform (GstGLFilter * filter,
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GstGLBuffer * inbuf, GstGLBuffer * outbuf)
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{
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GstGLDisplay *display = inbuf->display;
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GstGLFilterClass *filter_class;
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unsigned int fbo;
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filter_class = GST_GL_FILTER_GET_CLASS (filter);
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gst_gl_display_lock (display);
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glGenFramebuffersEXT (1, &fbo);
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glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
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glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
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GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, outbuf->texture, 0);
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glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT);
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glReadBuffer (GL_COLOR_ATTACHMENT0_EXT);
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g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
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GL_FRAMEBUFFER_COMPLETE_EXT);
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glViewport (0, 0, outbuf->width, outbuf->height);
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glClearColor (0.3, 0.3, 0.3, 1.0);
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glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode (GL_PROJECTION);
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glLoadIdentity ();
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glMatrixMode (GL_MODELVIEW);
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glLoadIdentity ();
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glDisable (GL_CULL_FACE);
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glEnableClientState (GL_TEXTURE_COORD_ARRAY);
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glColor4f (1, 1, 1, 1);
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glEnable (GL_TEXTURE_RECTANGLE_ARB);
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_RECTANGLE_ARB, inbuf->texture);
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filter_class->filter (filter, inbuf, outbuf);
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#if 0
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
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glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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glColor4f (1, 0, 1, 1);
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glBegin (GL_QUADS);
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glNormal3f (0, 0, -1);
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glTexCoord2f (inbuf->width, 0);
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glVertex3f (0.9, -0.9, 0);
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glTexCoord2f (0, 0);
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glVertex3f (-1.0, -1.0, 0);
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glTexCoord2f (0, inbuf->height);
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glVertex3f (-1.0, 1.0, 0);
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glTexCoord2f (inbuf->width, inbuf->height);
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glVertex3f (1.0, 1.0, 0);
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glEnd ();
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#endif
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glFlush ();
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glDeleteFramebuffersEXT (1, &fbo);
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gst_gl_display_unlock (display);
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return TRUE;
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}
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65
gst-libs/gst/gl/gstglfilter.h
Normal file
65
gst-libs/gst/gl/gstglfilter.h
Normal file
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@ -0,0 +1,65 @@
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/*
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* GStreamer
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* Copyright (C) 2007 David Schleef <ds@schleef.org>
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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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#ifndef _GST_GL_FILTER_H_
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#define _GST_GL_FILTER_H_
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/base/gstbasetransform.h>
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#include <gstglbuffer.h>
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#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
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#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
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#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
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#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
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#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
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#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
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typedef struct _GstGLFilter GstGLFilter;
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typedef struct _GstGLFilterClass GstGLFilterClass;
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typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
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GstGLBuffer *inbuf, GstGLBuffer *outbuf);
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struct _GstGLFilter
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{
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GstBaseTransform base_transform;
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GstPad *srcpad;
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GstPad *sinkpad;
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/* < private > */
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GstGLDisplay *display;
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GstGLBufferFormat format;
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int width;
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int height;
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};
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struct _GstGLFilterClass
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{
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GstBaseTransformClass base_transform_class;
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GstGLFilterProcessFunc filter;
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};
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GType gst_gl_filter_get_type(void);
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#endif
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