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[045/906] * sys/glsink/Makefile.am: * sys/glsink/gltestsrc.c: * sys/glsink/gltestsrc.h: * sys/glsink/gstgldisplay.c: * sys/glsink/gstgldownload.c: * sys/glsink/gstglfilter.c: * sys/glsink/gstgltestsrc.c: * sys/glsink/gstgltestsrc.h: * sys/glsink/gstglupload.c: * sys/glsink/gstopengl.c: Add gltestsrc element, a duplicate of videotestsrc that uses GL rendering to create images. More cleanup.

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This commit is contained in:
David Schleef 2007-12-25 00:34:13 +00:00 committed by Matthew Waters
parent 8e95439b75
commit 27c5fb1f81
9 changed files with 1317 additions and 6 deletions
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4
gst-libs/gst/gl/gstgldisplay.c
View file

@ -267,7 +267,7 @@ gst_gl_display_init_tmp_window (GstGLDisplay * display)
Window root;
Screen *screen;
GST_ERROR ("creating temp window");
GST_DEBUG ("creating temp window");
screen = XDefaultScreenOfDisplay (display->display);
scrnum = XScreenNumberOfScreen (screen);
@ -290,7 +290,7 @@ gst_gl_display_init_tmp_window (GstGLDisplay * display)
root, 0, 0, 100, 100,
0, display->visinfo->depth, InputOutput,
display->visinfo->visual, mask, &attr);
XMapWindow (display->display, display->window);
//XMapWindow (display->display, display->window);
XSync (display->display, FALSE);
}

4
gst/gl/Makefile.am
View file

@ -9,6 +9,8 @@ libgstglimagesink_la_SOURCES = \
gstglbuffer.c \
gstglupload.c \
gstgldownload.c \
gstgltestsrc.c \
gltestsrc.c \
gstglfilter.c
libgstglimagesink_la_CFLAGS = $(GST_CFLAGS) $(X_CFLAGS) $(GST_BASE_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS)
@ -21,4 +23,6 @@ noinst_HEADERS = \
glimagesink.h \
gstgldisplay.h \
glextensions.h \
gstgltestsrc.h \
gltestsrc.h \
gstglbuffer.h

492
gst/gl/gltestsrc.c Normal file
View file

@ -0,0 +1,492 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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
/* non-GST-specific stuff */
#include "gstgltestsrc.h"
#include "gltestsrc.h"
#include "gstglbuffer.h"
#include <string.h>
#include <stdlib.h>
#include <math.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
enum
{
COLOR_WHITE = 0,
COLOR_YELLOW,
COLOR_CYAN,
COLOR_GREEN,
COLOR_MAGENTA,
COLOR_RED,
COLOR_BLUE,
COLOR_BLACK,
COLOR_NEG_I,
COLOR_POS_Q,
COLOR_SUPER_BLACK,
COLOR_DARK_GREY
};
static const struct vts_color_struct vts_colors[] = {
/* 100% white */
{255, 128, 128, 255, 255, 255, 255},
/* yellow */
{226, 0, 155, 255, 255, 0, 255},
/* cyan */
{179, 170, 0, 0, 255, 255, 255},
/* green */
{150, 46, 21, 0, 255, 0, 255},
/* magenta */
{105, 212, 235, 255, 0, 255, 255},
/* red */
{76, 85, 255, 255, 0, 0, 255},
/* blue */
{29, 255, 107, 0, 0, 255, 255},
/* black */
{16, 128, 128, 0, 0, 0, 255},
/* -I */
{16, 198, 21, 0, 0, 128, 255},
/* +Q */
{16, 235, 198, 0, 128, 255, 255},
/* superblack */
{0, 128, 128, 0, 0, 0, 255},
/* 5% grey */
{32, 128, 128, 32, 32, 32, 255},
};
static void
gst_gl_test_src_unicolor (GstGLTestSrc * v, GstGLBuffer * buffer, int w,
int h, const struct vts_color_struct *color);
void
gst_gl_test_src_smpte (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
int i;
glClearColor (0.0, 0.0, 0.0, 1.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
for (i = 0; i < 7; i++) {
glColor4f (vts_colors[i].R * (1 / 255.0), vts_colors[i].G * (1 / 255.0),
vts_colors[i].B * (1 / 255.0), 1.0);
glBegin (GL_QUADS);
glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0, 0);
glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0, 0);
glEnd ();
}
for (i = 0; i < 7; i++) {
int k;
if (i & 1) {
k = 7;
} else {
k = 6 - i;
}
glColor4f (vts_colors[k].R * (1 / 255.0), vts_colors[k].G * (1 / 255.0),
vts_colors[k].B * (1 / 255.0), 1.0);
glBegin (GL_QUADS);
glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
glVertex3f (-1.0 + (i + 1) * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
glVertex3f (-1.0 + i * (2.0 / 7.0), -1.0 + 2.0 * (2.0 / 3.0), 0);
glEnd ();
}
for (i = 0; i < 3; i++) {
int k;
if (i == 0) {
k = 8;
} else if (i == 1) {
k = 0;
} else {
k = 9;
}
glColor4f (vts_colors[k].R * (1 / 255.0), vts_colors[k].G * (1 / 255.0),
vts_colors[k].B * (1 / 255.0), 1.0);
glBegin (GL_QUADS);
glVertex3f (-1.0 + i * (2.0 / 6.0), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + (i + 1) * (2.0 / 6.0), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + (i + 1) * (2.0 / 6.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
glVertex3f (-1.0 + i * (2.0 / 6.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
glEnd ();
}
for (i = 0; i < 3; i++) {
int k;
if (i == 0) {
k = COLOR_SUPER_BLACK;
} else if (i == 1) {
k = COLOR_BLACK;
} else {
k = COLOR_DARK_GREY;
}
glColor4f (vts_colors[k].R * (1 / 255.0), vts_colors[k].G * (1 / 255.0),
vts_colors[k].B * (1 / 255.0), 1.0);
glBegin (GL_QUADS);
glVertex3f (-1.0 + 2.0 * (0.5 + i * (1.0 / 12.0)), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + 2.0 * (0.5 + (i + 1) * (1.0 / 12.0)), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + 2.0 * (0.5 + (i + 1) * (1.0 / 12.0)),
-1.0 + 2.0 * (3.0 / 4.0), 0);
glVertex3f (-1.0 + 2.0 * (0.5 + i * (1.0 / 12.0)), -1.0 + 2.0 * (3.0 / 4.0),
0);
glEnd ();
}
glColor4f (0.5, 0.5, 0.5, 1.0);
glBegin (GL_QUADS);
glVertex3f (-1.0 + 2.0 * (0.75), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * (3.0 / 4.0), 0);
glVertex3f (-1.0 + 2.0 * (0.75), -1.0 + 2.0 * (3.0 / 4.0), 0);
glEnd ();
}
void
gst_gl_test_src_snow (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
glClearColor (0.0, 0.0, 0.0, 1.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
/* FIXME snow requires a fragment shader. Please write. */
glColor4f (0.5, 0.5, 0.5, 1.0);
glBegin (GL_QUADS);
glVertex3f (-1.0 + 2.0 * (0.0), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * 1, 0);
glVertex3f (-1.0 + 2.0 * (1.0), -1.0 + 2.0 * (0.0), 0);
glVertex3f (-1.0 + 2.0 * (0.0), -1.0 + 2.0 * (0.0), 0);
glEnd ();
}
static void
gst_gl_test_src_unicolor (GstGLTestSrc * v, GstGLBuffer * buffer, int w,
int h, const struct vts_color_struct *color)
{
glClearColor (color->R * (1 / 255.0), color->G * (1 / 255.0),
color->B * (1 / 255.0), 1.0);
glClear (GL_COLOR_BUFFER_BIT);
}
void
gst_gl_test_src_black (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_BLACK);
}
void
gst_gl_test_src_white (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_WHITE);
}
void
gst_gl_test_src_red (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_RED);
}
void
gst_gl_test_src_green (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_GREEN);
}
void
gst_gl_test_src_blue (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
gst_gl_test_src_unicolor (v, buffer, w, h, vts_colors + COLOR_BLUE);
}
void
gst_gl_test_src_checkers1 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
#if 0
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
for (y = 0; y < h; y++) {
p->color = vts_colors + COLOR_GREEN;
p->paint_hline (p, 0, y, w);
for (x = (y % 2); x < w; x += 2) {
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y, 1);
}
}
#endif
}
void
gst_gl_test_src_checkers2 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
#if 0
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = vts_colors + COLOR_GREEN;
for (y = 0; y < h; y++) {
p->paint_hline (p, 0, y, w);
}
for (y = 0; y < h; y += 2) {
for (x = ((y % 4) == 0) ? 0 : 2; x < w; x += 4) {
guint len = (x < (w - 1)) ? 2 : (w - x);
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y + 0, len);
if (G_LIKELY ((y + 1) < h)) {
p->paint_hline (p, x, y + 1, len);
}
}
}
#endif
}
void
gst_gl_test_src_checkers4 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
#if 0
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = vts_colors + COLOR_GREEN;
for (y = 0; y < h; y++) {
p->paint_hline (p, 0, y, w);
}
for (y = 0; y < h; y += 4) {
for (x = ((y % 8) == 0) ? 0 : 4; x < w; x += 8) {
guint len = (x < (w - 3)) ? 4 : (w - x);
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y + 0, len);
if (G_LIKELY ((y + 1) < h)) {
p->paint_hline (p, x, y + 1, len);
if (G_LIKELY ((y + 2) < h)) {
p->paint_hline (p, x, y + 2, len);
if (G_LIKELY ((y + 3) < h)) {
p->paint_hline (p, x, y + 3, len);
}
}
}
}
}
#endif
}
void
gst_gl_test_src_checkers8 (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
#if 0
int x, y;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
p->color = vts_colors + COLOR_GREEN;
for (y = 0; y < h; y++) {
p->paint_hline (p, 0, y, w);
}
for (y = 0; y < h; y += 8) {
for (x = ((GST_ROUND_UP_8 (y) % 16) == 0) ? 0 : 8; x < w; x += 16) {
guint len = (x < (w - 7)) ? 8 : (w - x);
p->color = vts_colors + COLOR_RED;
p->paint_hline (p, x, y + 0, len);
if (G_LIKELY ((y + 1) < h)) {
p->paint_hline (p, x, y + 1, len);
if (G_LIKELY ((y + 2) < h)) {
p->paint_hline (p, x, y + 2, len);
if (G_LIKELY ((y + 3) < h)) {
p->paint_hline (p, x, y + 3, len);
if (G_LIKELY ((y + 4) < h)) {
p->paint_hline (p, x, y + 4, len);
if (G_LIKELY ((y + 5) < h)) {
p->paint_hline (p, x, y + 5, len);
if (G_LIKELY ((y + 6) < h)) {
p->paint_hline (p, x, y + 6, len);
if (G_LIKELY ((y + 7) < h)) {
p->paint_hline (p, x, y + 7, len);
}
}
}
}
}
}
}
}
}
#endif
}
void
gst_gl_test_src_circular (GstGLTestSrc * v, GstGLBuffer * buffer, int w, int h)
{
#if 0
int i;
int j;
paintinfo pi = { NULL, };
paintinfo *p = &pi;
struct fourcc_list_struct *fourcc;
struct vts_color_struct color;
static uint8_t sine_array[256];
static int sine_array_inited = FALSE;
double freq[8];
#ifdef SCALE_AMPLITUDE
double ampl[8];
#endif
int d;
if (!sine_array_inited) {
for (i = 0; i < 256; i++) {
sine_array[i] =
floor (255 * (0.5 + 0.5 * sin (i * 2 * M_PI / 256)) + 0.5);
}
sine_array_inited = TRUE;
}
p->width = w;
p->height = h;
fourcc = v->fourcc;
if (fourcc == NULL)
return;
fourcc->paint_setup (p, dest);
p->paint_hline = fourcc->paint_hline;
color = vts_colors[COLOR_BLACK];
p->color = &color;
for (i = 1; i < 8; i++) {
freq[i] = 200 * pow (2.0, -(i - 1) / 4.0);
#ifdef SCALE_AMPLITUDE
{
double x;
x = 2 * M_PI * freq[i] / w;
ampl[i] = sin (x) / x;
}
#endif
}
for (i = 0; i < w; i++) {
for (j = 0; j < h; j++) {
double dist;
int seg;
dist =
sqrt ((2 * i - w) * (2 * i - w) + (2 * j - h) * (2 * j -
h)) / (2 * w);
seg = floor (dist * 16);
if (seg == 0 || seg >= 8) {
color.Y = 255;
} else {
#ifdef SCALE_AMPLITUDE
double a;
#endif
d = floor (256 * dist * freq[seg] + 0.5);
#ifdef SCALE_AMPLITUDE
a = ampl[seg];
if (a < 0)
a = 0;
color.Y = 128 + a * (sine_array[d & 0xff] - 128);
#else
color.Y = sine_array[d & 0xff];
#endif
}
color.R = color.Y;
color.G = color.Y;
color.B = color.Y;
p->paint_hline (p, i, j, 1);
}
}
#endif
}

57
gst/gl/gltestsrc.h Normal file
View file

@ -0,0 +1,57 @@
/* GStreamer
* Copyright (C) <2003> David A. 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.
*/
#ifndef __GL_TEST_SRC_H__
#define __GL_TEST_SRC_H__
#include <glib.h>
#include "gstglbuffer.h"
struct vts_color_struct {
guint8 Y, U, V;
guint8 R, G, B;
guint8 A;
};
void gst_gl_test_src_smpte (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_snow (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_black (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_white (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_red (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_green (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_blue (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_checkers1 (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_checkers2 (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_checkers4 (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_checkers8 (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
void gst_gl_test_src_circular (GstGLTestSrc * v,
GstGLBuffer *buffer, int w, int h);
#endif

6
gst/gl/gstgldownload.c
View file

@ -207,20 +207,20 @@ gst_gl_download_sink_setcaps (GstPad * pad, GstCaps * caps)
download = GST_GL_DOWNLOAD (gst_pad_get_parent (pad));
GST_ERROR ("called with %" GST_PTR_FORMAT, caps);
GST_DEBUG ("called with %" GST_PTR_FORMAT, caps);
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &download->width);
ret &= gst_structure_get_int (structure, "height", &download->height);
if (!ret) {
GST_ERROR ("bad caps");
GST_DEBUG ("bad caps");
return FALSE;
}
srccaps = gst_video_format_new_caps (download->format,
download->width, download->height, 30, 1, 1, 1);
GST_ERROR ("srccaps %" GST_PTR_FORMAT, srccaps);
GST_DEBUG ("srccaps %" GST_PTR_FORMAT, srccaps);
ret = gst_pad_set_caps (download->srcpad, srccaps);
gst_caps_unref (srccaps);

637
gst/gl/gstgltestsrc.c Normal file
View file

@ -0,0 +1,637 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2002,2007 David A. 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.
*/
/**
* SECTION:element-gltestsrc
*
* <refsect2>
* <para>
* The gltestsrc element is used to produce test video data in a wide variaty
* of formats. The video test data produced can be controlled with the "pattern"
* property.
* </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v gltestsrc pattern=snow ! ximagesink
* </programlisting>
* Shows random noise in an X window.
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstgltestsrc.h"
#include "gltestsrc.h"
#include "gstglbuffer.h"
#include "glextensions.h"
#include <string.h>
#include <stdlib.h>
#define USE_PEER_BUFFERALLOC
GST_DEBUG_CATEGORY_STATIC (gl_test_src_debug);
#define GST_CAT_DEFAULT gl_test_src_debug
#define GST_GL_VIDEO_CAPS "video/x-raw-gl,width=(int)[1,2048],height=(int)[1,2048],framerate=(fraction)[0/1,100/1],pixel_aspect_ratio=(fraction)[0/1,100/1]"
static const GstElementDetails gl_test_src_details =
GST_ELEMENT_DETAILS ("Video test source",
"Source/Video",
"Creates a test video stream",
"David A. Schleef <ds@schleef.org>");
enum
{
PROP_0,
PROP_PATTERN,
PROP_TIMESTAMP_OFFSET,
PROP_IS_LIVE
/* FILL ME */
};
GST_BOILERPLATE (GstGLTestSrc, gst_gl_test_src, GstPushSrc, GST_TYPE_PUSH_SRC);
static void gst_gl_test_src_set_pattern (GstGLTestSrc * gltestsrc,
int pattern_type);
static void gst_gl_test_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_test_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_gl_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
static void gst_gl_test_src_src_fixate (GstPad * pad, GstCaps * caps);
static gboolean gst_gl_test_src_is_seekable (GstBaseSrc * psrc);
static gboolean gst_gl_test_src_do_seek (GstBaseSrc * bsrc,
GstSegment * segment);
static gboolean gst_gl_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
static void gst_gl_test_src_get_times (GstBaseSrc * basesrc,
GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
static GstFlowReturn gst_gl_test_src_create (GstPushSrc * psrc,
GstBuffer ** buffer);
static gboolean gst_gl_test_src_start (GstBaseSrc * basesrc);
static gboolean gst_gl_test_src_stop (GstBaseSrc * basesrc);
#define GST_TYPE_GL_TEST_SRC_PATTERN (gst_gl_test_src_pattern_get_type ())
static GType
gst_gl_test_src_pattern_get_type (void)
{
static GType gl_test_src_pattern_type = 0;
static const GEnumValue pattern_types[] = {
{GST_GL_TEST_SRC_SMPTE, "SMPTE 100% color bars", "smpte"},
{GST_GL_TEST_SRC_SNOW, "Random (television snow)", "snow"},
{GST_GL_TEST_SRC_BLACK, "100% Black", "black"},
{GST_GL_TEST_SRC_WHITE, "100% White", "white"},
{GST_GL_TEST_SRC_RED, "Red", "red"},
{GST_GL_TEST_SRC_GREEN, "Green", "green"},
{GST_GL_TEST_SRC_BLUE, "Blue", "blue"},
{GST_GL_TEST_SRC_CHECKERS1, "Checkers 1px", "checkers-1"},
{GST_GL_TEST_SRC_CHECKERS2, "Checkers 2px", "checkers-2"},
{GST_GL_TEST_SRC_CHECKERS4, "Checkers 4px", "checkers-4"},
{GST_GL_TEST_SRC_CHECKERS8, "Checkers 8px", "checkers-8"},
{GST_GL_TEST_SRC_CIRCULAR, "Circular", "circular"},
{GST_GL_TEST_SRC_BLINK, "Blink", "blink"},
{0, NULL, NULL}
};
if (!gl_test_src_pattern_type) {
gl_test_src_pattern_type =
g_enum_register_static ("GstGLTestSrcPattern", pattern_types);
}
return gl_test_src_pattern_type;
}
static void
gst_gl_test_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gl_test_src_details);
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_caps_from_string (GST_GL_VIDEO_CAPS)));
}
static void
gst_gl_test_src_class_init (GstGLTestSrcClass * klass)
{
GObjectClass *gobject_class;
GstBaseSrcClass *gstbasesrc_class;
GstPushSrcClass *gstpushsrc_class;
GST_DEBUG_CATEGORY_INIT (gl_test_src_debug, "gltestsrc", 0,
"Video Test Source");
gobject_class = (GObjectClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstpushsrc_class = (GstPushSrcClass *) klass;
gobject_class->set_property = gst_gl_test_src_set_property;
gobject_class->get_property = gst_gl_test_src_get_property;
g_object_class_install_property (gobject_class, PROP_PATTERN,
g_param_spec_enum ("pattern", "Pattern",
"Type of test pattern to generate", GST_TYPE_GL_TEST_SRC_PATTERN,
GST_GL_TEST_SRC_SMPTE, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_TIMESTAMP_OFFSET, g_param_spec_int64 ("timestamp-offset",
"Timestamp offset",
"An offset added to timestamps set on buffers (in ns)", G_MININT64,
G_MAXINT64, 0, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_IS_LIVE,
g_param_spec_boolean ("is-live", "Is Live",
"Whether to act as a live source", FALSE, G_PARAM_READWRITE));
gstbasesrc_class->set_caps = gst_gl_test_src_setcaps;
gstbasesrc_class->is_seekable = gst_gl_test_src_is_seekable;
gstbasesrc_class->do_seek = gst_gl_test_src_do_seek;
gstbasesrc_class->query = gst_gl_test_src_query;
gstbasesrc_class->get_times = gst_gl_test_src_get_times;
gstbasesrc_class->start = gst_gl_test_src_start;
gstbasesrc_class->stop = gst_gl_test_src_stop;
gstpushsrc_class->create = gst_gl_test_src_create;
}
static void
gst_gl_test_src_init (GstGLTestSrc * src, GstGLTestSrcClass * g_class)
{
GstPad *pad = GST_BASE_SRC_PAD (src);
gst_pad_set_fixatecaps_function (pad, gst_gl_test_src_src_fixate);
gst_gl_test_src_set_pattern (src, GST_GL_TEST_SRC_SMPTE);
src->timestamp_offset = 0;
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), FALSE);
}
static void
gst_gl_test_src_src_fixate (GstPad * pad, GstCaps * caps)
{
GstStructure *structure;
GST_DEBUG ("fixate");
structure = gst_caps_get_structure (caps, 0);
gst_structure_fixate_field_nearest_int (structure, "width", 320);
gst_structure_fixate_field_nearest_int (structure, "height", 240);
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
}
static void
gst_gl_test_src_set_pattern (GstGLTestSrc * gltestsrc, int pattern_type)
{
gltestsrc->pattern_type = pattern_type;
GST_DEBUG_OBJECT (gltestsrc, "setting pattern to %d", pattern_type);
switch (pattern_type) {
case GST_GL_TEST_SRC_SMPTE:
gltestsrc->make_image = gst_gl_test_src_smpte;
break;
case GST_GL_TEST_SRC_SNOW:
gltestsrc->make_image = gst_gl_test_src_snow;
break;
case GST_GL_TEST_SRC_BLACK:
gltestsrc->make_image = gst_gl_test_src_black;
break;
case GST_GL_TEST_SRC_WHITE:
gltestsrc->make_image = gst_gl_test_src_white;
break;
case GST_GL_TEST_SRC_RED:
gltestsrc->make_image = gst_gl_test_src_red;
break;
case GST_GL_TEST_SRC_GREEN:
gltestsrc->make_image = gst_gl_test_src_green;
break;
case GST_GL_TEST_SRC_BLUE:
gltestsrc->make_image = gst_gl_test_src_blue;
break;
case GST_GL_TEST_SRC_CHECKERS1:
gltestsrc->make_image = gst_gl_test_src_checkers1;
break;
case GST_GL_TEST_SRC_CHECKERS2:
gltestsrc->make_image = gst_gl_test_src_checkers2;
break;
case GST_GL_TEST_SRC_CHECKERS4:
gltestsrc->make_image = gst_gl_test_src_checkers4;
break;
case GST_GL_TEST_SRC_CHECKERS8:
gltestsrc->make_image = gst_gl_test_src_checkers8;
break;
case GST_GL_TEST_SRC_CIRCULAR:
gltestsrc->make_image = gst_gl_test_src_circular;
break;
case GST_GL_TEST_SRC_BLINK:
gltestsrc->make_image = gst_gl_test_src_black;
break;
default:
g_assert_not_reached ();
}
}
static void
gst_gl_test_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLTestSrc *src = GST_GL_TEST_SRC (object);
switch (prop_id) {
case PROP_PATTERN:
gst_gl_test_src_set_pattern (src, g_value_get_enum (value));
break;
case PROP_TIMESTAMP_OFFSET:
src->timestamp_offset = g_value_get_int64 (value);
break;
case PROP_IS_LIVE:
gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
break;
default:
break;
}
}
static void
gst_gl_test_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLTestSrc *src = GST_GL_TEST_SRC (object);
switch (prop_id) {
case PROP_PATTERN:
g_value_set_enum (value, src->pattern_type);
break;
case PROP_TIMESTAMP_OFFSET:
g_value_set_int64 (value, src->timestamp_offset);
break;
case PROP_IS_LIVE:
g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_gl_test_src_parse_caps (const GstCaps * caps,
gint * width, gint * height, gint * rate_numerator, gint * rate_denominator)
{
const GstStructure *structure;
GstPadLinkReturn ret;
const GValue *framerate;
GST_DEBUG ("parsing caps");
if (gst_caps_get_size (caps) < 1)
return FALSE;
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", width);
ret &= gst_structure_get_int (structure, "height", height);
framerate = gst_structure_get_value (structure, "framerate");
if (framerate) {
*rate_numerator = gst_value_get_fraction_numerator (framerate);
*rate_denominator = gst_value_get_fraction_denominator (framerate);
} else
goto no_framerate;
return ret;
/* ERRORS */
no_framerate:
{
GST_DEBUG ("gltestsrc no framerate given");
return FALSE;
}
}
static gboolean
gst_gl_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
gboolean res;
gint width, height, rate_denominator, rate_numerator;
GstGLTestSrc *gltestsrc;
gltestsrc = GST_GL_TEST_SRC (bsrc);
GST_DEBUG ("setcaps");
res = gst_gl_test_src_parse_caps (caps, &width, &height,
&rate_numerator, &rate_denominator);
if (res) {
/* looks ok here */
gltestsrc->width = width;
gltestsrc->height = height;
gltestsrc->rate_numerator = rate_numerator;
gltestsrc->rate_denominator = rate_denominator;
gltestsrc->negotiated = TRUE;
GST_DEBUG_OBJECT (gltestsrc, "size %dx%d, %d/%d fps",
gltestsrc->width, gltestsrc->height,
gltestsrc->rate_numerator, gltestsrc->rate_denominator);
}
return res;
}
static gboolean
gst_gl_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
gboolean res;
GstGLTestSrc *src;
src = GST_GL_TEST_SRC (bsrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
if (src_fmt == dest_fmt) {
dest_val = src_val;
goto done;
}
switch (src_fmt) {
case GST_FORMAT_DEFAULT:
switch (dest_fmt) {
case GST_FORMAT_TIME:
/* frames to time */
if (src->rate_numerator) {
dest_val = gst_util_uint64_scale (src_val,
src->rate_denominator * GST_SECOND, src->rate_numerator);
} else {
dest_val = 0;
}
break;
default:
goto error;
}
break;
case GST_FORMAT_TIME:
switch (dest_fmt) {
case GST_FORMAT_DEFAULT:
/* time to frames */
if (src->rate_numerator) {
dest_val = gst_util_uint64_scale (src_val,
src->rate_numerator, src->rate_denominator * GST_SECOND);
} else {
dest_val = 0;
}
break;
default:
goto error;
}
break;
default:
goto error;
}
done:
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
res = TRUE;
break;
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
}
return res;
/* ERROR */
error:
{
GST_DEBUG_OBJECT (src, "query failed");
return FALSE;
}
}
static void
gst_gl_test_src_get_times (GstBaseSrc * basesrc, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
/* for live sources, sync on the timestamp of the buffer */
if (gst_base_src_is_live (basesrc)) {
GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
/* get duration to calculate end time */
GstClockTime duration = GST_BUFFER_DURATION (buffer);
if (GST_CLOCK_TIME_IS_VALID (duration)) {
*end = timestamp + duration;
}
*start = timestamp;
}
} else {
*start = -1;
*end = -1;
}
}
static gboolean
gst_gl_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
{
GstClockTime time;
GstGLTestSrc *src;
src = GST_GL_TEST_SRC (bsrc);
segment->time = segment->start;
time = segment->last_stop;
/* now move to the time indicated */
if (src->rate_numerator) {
src->n_frames = gst_util_uint64_scale (time,
src->rate_numerator, src->rate_denominator * GST_SECOND);
} else {
src->n_frames = 0;
}
if (src->rate_numerator) {
src->running_time = gst_util_uint64_scale (src->n_frames,
src->rate_denominator * GST_SECOND, src->rate_numerator);
} else {
/* FIXME : Not sure what to set here */
src->running_time = 0;
}
g_assert (src->running_time <= time);
return TRUE;
}
static gboolean
gst_gl_test_src_is_seekable (GstBaseSrc * psrc)
{
/* we're seekable... */
return TRUE;
}
static GstFlowReturn
gst_gl_test_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
{
GstGLTestSrc *src;
GstGLBuffer *outbuf;
//GstFlowReturn res;
GstClockTime next_time;
GLuint fbo;
src = GST_GL_TEST_SRC (psrc);
if (G_UNLIKELY (!src->negotiated))
goto not_negotiated;
/* 0 framerate and we are at the second frame, eos */
if (G_UNLIKELY (src->rate_numerator == 0 && src->n_frames == 1))
goto eos;
GST_LOG_OBJECT (src, "creating buffer %dx%d image for frame %d",
src->width, src->height, (gint) src->n_frames);
outbuf = gst_gl_buffer_new (src->display, GST_VIDEO_FORMAT_RGBx,
src->width, src->height);
gst_buffer_set_caps (GST_BUFFER (outbuf),
GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)));
gst_gl_display_lock (outbuf->display);
/* FIXME: This should be part of buffer creation */
glGenTextures (1, &outbuf->texture);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, outbuf->texture);
glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA,
outbuf->width, outbuf->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glGenFramebuffersEXT (1, &fbo);
glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, outbuf->texture, 0);
glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT);
glReadBuffer (GL_COLOR_ATTACHMENT0_EXT);
g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
GL_FRAMEBUFFER_COMPLETE_EXT);
glViewport (0, 0, outbuf->width, outbuf->height);
#if 0
glClearColor (0.3, 0.3, 0.3, 1.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
#endif
if (src->pattern_type == GST_GL_TEST_SRC_BLINK) {
if (src->n_frames & 0x1) {
gst_gl_test_src_white (src, outbuf, src->width, src->height);
} else {
gst_gl_test_src_black (src, outbuf, src->width, src->height);
}
} else {
src->make_image (src, outbuf, src->width, src->height);
}
glFlush ();
glDeleteFramebuffersEXT (1, &fbo);
gst_gl_display_unlock (outbuf->display);
GST_BUFFER_TIMESTAMP (GST_BUFFER (outbuf)) =
src->timestamp_offset + src->running_time;
GST_BUFFER_OFFSET (GST_BUFFER (outbuf)) = src->n_frames;
src->n_frames++;
GST_BUFFER_OFFSET_END (GST_BUFFER (outbuf)) = src->n_frames;
if (src->rate_numerator) {
next_time = gst_util_uint64_scale_int (src->n_frames * GST_SECOND,
src->rate_denominator, src->rate_numerator);
GST_BUFFER_DURATION (GST_BUFFER (outbuf)) = next_time - src->running_time;
} else {
next_time = src->timestamp_offset;
/* NONE means forever */
GST_BUFFER_DURATION (GST_BUFFER (outbuf)) = GST_CLOCK_TIME_NONE;
}
src->running_time = next_time;
*buffer = GST_BUFFER (outbuf);
return GST_FLOW_OK;
not_negotiated:
{
GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before get function"));
return GST_FLOW_NOT_NEGOTIATED;
}
eos:
{
GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
return GST_FLOW_UNEXPECTED;
}
#if 0
no_buffer:
{
GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
gst_flow_get_name (res));
return res;
}
#endif
}
static gboolean
gst_gl_test_src_start (GstBaseSrc * basesrc)
{
GstGLTestSrc *src = GST_GL_TEST_SRC (basesrc);
gboolean ret;
src->running_time = 0;
src->n_frames = 0;
src->negotiated = FALSE;
src->display = gst_gl_display_new ();
ret = gst_gl_display_connect (src->display, NULL);
return ret;
}
static gboolean
gst_gl_test_src_stop (GstBaseSrc * basesrc)
{
GstGLTestSrc *src = GST_GL_TEST_SRC (basesrc);
g_object_unref (src->display);
return TRUE;
}

116
gst/gl/gstgltestsrc.h Normal file
View file

@ -0,0 +1,116 @@
/* GStreamer
* Copyright (C) 2002,2007 David A. Schleef <ds@schleef.org>
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#ifndef __GST_GL_TEST_SRC_H__
#define __GST_GL_TEST_SRC_H__
#include <gst/gst.h>
#include <gst/base/gstpushsrc.h>
#include "gstglbuffer.h"
G_BEGIN_DECLS
#define GST_TYPE_GL_TEST_SRC \
(gst_gl_test_src_get_type())
#define GST_GL_TEST_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_TEST_SRC,GstGLTestSrc))
#define GST_GL_TEST_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_TEST_SRC,GstGLTestSrcClass))
#define GST_IS_GL_TEST_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_TEST_SRC))
#define GST_IS_GL_TEST_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_TEST_SRC))
/**
* GstGLTestSrcPattern:
* @GST_GL_TEST_SRC_SMPTE: A standard SMPTE test pattern
* @GST_GL_TEST_SRC_SNOW: Random noise
* @GST_GL_TEST_SRC_BLACK: A black image
* @GST_GL_TEST_SRC_WHITE: A white image
* @GST_GL_TEST_SRC_RED: A red image
* @GST_GL_TEST_SRC_GREEN: A green image
* @GST_GL_TEST_SRC_BLUE: A blue image
* @GST_GL_TEST_SRC_CHECKERS1: Checkers pattern (1px)
* @GST_GL_TEST_SRC_CHECKERS2: Checkers pattern (2px)
* @GST_GL_TEST_SRC_CHECKERS4: Checkers pattern (4px)
* @GST_GL_TEST_SRC_CHECKERS8: Checkers pattern (8px)
* @GST_GL_TEST_SRC_CIRCULAR: Circular pattern
* @GST_GL_TEST_SRC_BLINK: Alternate between black and white
*
* The test pattern to produce.
*/
typedef enum {
GST_GL_TEST_SRC_SMPTE,
GST_GL_TEST_SRC_SNOW,
GST_GL_TEST_SRC_BLACK,
GST_GL_TEST_SRC_WHITE,
GST_GL_TEST_SRC_RED,
GST_GL_TEST_SRC_GREEN,
GST_GL_TEST_SRC_BLUE,
GST_GL_TEST_SRC_CHECKERS1,
GST_GL_TEST_SRC_CHECKERS2,
GST_GL_TEST_SRC_CHECKERS4,
GST_GL_TEST_SRC_CHECKERS8,
GST_GL_TEST_SRC_CIRCULAR,
GST_GL_TEST_SRC_BLINK
} GstGLTestSrcPattern;
typedef struct _GstGLTestSrc GstGLTestSrc;
typedef struct _GstGLTestSrcClass GstGLTestSrcClass;
/**
* GstGLTestSrc:
*
* Opaque data structure.
*/
struct _GstGLTestSrc {
GstPushSrc element;
/*< private >*/
/* type of output */
GstGLTestSrcPattern pattern_type;
/* video state */
char *format_name;
gint width;
gint height;
gint rate_numerator;
gint rate_denominator;
/* private */
GstGLDisplay *display;
gint64 timestamp_offset; /* base offset */
GstClockTime running_time; /* total running time */
gint64 n_frames; /* total frames sent */
gboolean negotiated;
void (*make_image) (GstGLTestSrc *v, GstGLBuffer *buffer, int w, int h);
};
struct _GstGLTestSrcClass {
GstPushSrcClass parent_class;
};
GType gst_gl_test_src_get_type (void);
G_END_DECLS
#endif /* __GST_GL_TEST_SRC_H__ */

2
gst/gl/gstglupload.c
View file

@ -179,7 +179,7 @@ gst_gl_upload_reset (GstGLUpload * upload)
upload->display = NULL;
}
upload->format = GST_VIDEO_FORMAT_RGBx;
upload->peek = TRUE;
upload->peek = FALSE;
}
static gboolean

5
gst/gl/gstopengl.c
View file

@ -35,6 +35,7 @@
GType gst_gl_upload_get_type (void);
GType gst_gl_download_get_type (void);
GType gst_gl_filter_get_type (void);
GType gst_gl_test_src_get_type (void);
static gboolean
@ -59,6 +60,10 @@ plugin_init (GstPlugin * plugin)
GST_RANK_NONE, gst_gl_filter_get_type ())) {
return FALSE;
}
if (!gst_element_register (plugin, "gltestsrc",
GST_RANK_NONE, gst_gl_test_src_get_type ())) {
return FALSE;
}
return TRUE;
}