gstreamer/sys/glsink/gstglconvert.c
David Schleef 9c52a9cd09 Major cleanup of code. Convert glupload to BaseTransform.
Original commit message from CVS:
* configure.ac:
* sys/glsink/glextensions.c:
* sys/glsink/glextensions.h:
* sys/glsink/glimagesink.c:
* sys/glsink/glimagesink.h:
* sys/glsink/gstglbuffer.c:
* sys/glsink/gstglbuffer.h:
* sys/glsink/gstglconvert.c:
* sys/glsink/gstgldisplay.c:
* sys/glsink/gstgldisplay.h:
* sys/glsink/gstgldownload.c:
* sys/glsink/gstglfilter.c:
* sys/glsink/gstglfilter.h:
* sys/glsink/gstglfilterexample.c:
* sys/glsink/gstgltestsrc.c:
* sys/glsink/gstglupload.c:
Major cleanup of code.  Convert glupload to BaseTransform.
Handle caps negotiation mostly correctly.  Reenable in build.
2007-12-29 00:37:41 +00:00

198 lines
5.6 KiB
C

/*
* GStreamer
* Copyright (C) 2007 David Schleef <ds@schleef.org>
*
* 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,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gstglbuffer.h>
#include <gstglfilter.h>
#include "glextensions.h"
#define GST_CAT_DEFAULT gst_gl_convert_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
#define GST_TYPE_GL_CONVERT (gst_gl_convert_get_type())
#define GST_GL_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_CONVERT,GstGLConvert))
#define GST_IS_GL_CONVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_CONVERT))
#define GST_GL_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_CONVERT,GstGLConvertClass))
#define GST_IS_GL_CONVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_CONVERT))
#define GST_GL_CONVERT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_CONVERT,GstGLConvertClass))
typedef struct _GstGLConvert GstGLConvert;
typedef struct _GstGLConvertClass GstGLConvertClass;
struct _GstGLConvert
{
GstGLFilter filter;
/* < private > */
};
struct _GstGLConvertClass
{
GstGLFilterClass filter_class;
};
static const GstElementDetails element_details = GST_ELEMENT_DETAILS ("FIXME",
"Filter/Effect",
"FIXME GL conversion filter",
"FIXME <fixme@fixme.com>");
enum
{
PROP_0
};
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_gl_convert_debug, "glconvert", 0, "glconvert element");
GST_BOILERPLATE_FULL (GstGLConvert, gst_gl_convert, GstGLFilter,
GST_TYPE_GL_FILTER, DEBUG_INIT);
static void gst_gl_convert_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_convert_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_gl_convert_filter (GstGLFilter * filter,
GstGLBuffer * inbuf, GstGLBuffer * outbuf);
static void
gst_gl_convert_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (element_class, &element_details);
}
static void
gst_gl_convert_class_init (GstGLConvertClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_convert_set_property;
gobject_class->get_property = gst_gl_convert_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_convert_filter;
}
static void
gst_gl_convert_init (GstGLConvert * filter, GstGLConvertClass * klass)
{
}
static void
gst_gl_convert_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
//GstGLConvert *filter = GST_GL_CONVERT (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_convert_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
//GstGLConvert *filter = GST_GL_CONVERT (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_gl_convert_filter (GstGLFilter * filter, GstGLBuffer * inbuf,
GstGLBuffer * outbuf)
{
//GstGLConvert *convert = GST_GL_CONVERT(filter);
glDisable (GL_CULL_FACE);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
if (inbuf->is_yuv) {
#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
const double matrix[16] = {
1.16438, 1.6321, -0.00107909, 0,
1.13839, -0.813005, -0.39126, 0,
1.13839, 0.00112726, 2.01741, 0,
0, 0, 0, 1
};
GST_DEBUG ("applying YUV->RGB conversion");
glMatrixMode (GL_COLOR);
glLoadMatrixd (matrix);
/* same */
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, -0.873494);
glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, 0.531435);
glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, -1.08629);
#else
g_assert_not_reached ();
#endif
}
glColor4f (1, 0, 1, 1);
glBegin (GL_QUADS);
glNormal3f (0, 0, -1);
glTexCoord2f (inbuf->width, 0);
glVertex3f (1.0, -1.0, 0);
glTexCoord2f (0, 0);
glVertex3f (-1.0, -1.0, 0);
glTexCoord2f (0, inbuf->height);
glVertex3f (-1.0, 1.0, 0);
glTexCoord2f (inbuf->width, inbuf->height);
glVertex3f (1.0, 1.0, 0);
glEnd ();
if (inbuf->is_yuv) {
#ifdef GL_POST_COLOR_MATRIX_RED_BIAS
glMatrixMode (GL_COLOR);
glLoadIdentity ();
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, 0);
glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, 0);
glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, 0);
#else
g_assert_not_reached ();
#endif
}
return TRUE;
}