{
GstGLBuffer *buffer;
- g_return_val_if_fail (video_format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
+ //g_return_val_if_fail (video_format != GST_VIDEO_FORMAT_UNKNOWN, NULL);
g_return_val_if_fail (display != NULL, NULL);
g_return_val_if_fail (width > 0, NULL);
g_return_val_if_fail (height > 0, NULL);
buffer->video_format = video_format;
GST_BUFFER_SIZE (buffer) = gst_gl_buffer_format_get_size (video_format, context_width, context_height);
- //blocking call, init texture
- gst_gl_display_textureRequested (buffer->display, buffer->video_format,
- buffer->width, buffer->height,
- &buffer->texture, &buffer->texture_u, &buffer->texture_v) ;
+ //blocking call, init texture
+ if (video_format != GST_VIDEO_FORMAT_UNKNOWN)
+ gst_gl_display_textureRequested (buffer->display, buffer->video_format,
+ buffer->width, buffer->height,
+ &buffer->texture, &buffer->texture_u, &buffer->texture_v) ;
return buffer;
}
static void gst_gl_display_finalize (GObject * object);
static gpointer gst_gl_display_glutThreadFunc (GstGLDisplay* display);
static void gst_gl_display_glutCreateWindow (GstGLDisplay* display);
+static void gst_gl_display_glutGenerateFBO (GstGLDisplay *display);
static void gst_gl_display_glutDestroyWindow (GstGLDisplay* display);
static void gst_gl_display_glutSetVisibleWindow (GstGLDisplay* display);
static void gst_gl_display_glutPrepareTexture (GstGLDisplay* display);
display->cond_fill = g_cond_new ();
display->cond_clear = g_cond_new ();
display->cond_video = g_cond_new ();
+ display->cond_generateFBO = g_cond_new ();
display->cond_create = g_cond_new ();
display->cond_destroy = g_cond_new ();
display->graphicDepthBuffer = 0;
display->graphicTexture = 0;
+ display->requestedFBO = 0;
+ display->requestedDepthBuffer = 0;
+ display->requestedTextureFBO = 0;
+ display->requestedTextureFBOWidth = 0;
+ display->requestedTextureFBOHeight = 0;
+
display->requestedTexture = 0;
display->requestedTexture_u = 0;
display->requestedTexture_v = 0;
g_cond_free (display->cond_video);
display->cond_video = NULL;
}
+ if (display->cond_generateFBO) {
+ g_cond_free (display->cond_generateFBO);
+ display->cond_generateFBO = NULL;
+ }
if (display->cond_create) {
g_cond_free (display->cond_create);
display->cond_create = NULL;
if (g_hash_table_size (gst_gl_display_map) == 0)
{
g_thread_join (gst_gl_display_glutThread);
- GST_DEBUG ("Glut thread joined");
+ g_print ("Glut thread joined\n");
gst_gl_display_glutThread = NULL;
g_async_queue_unref (gst_gl_display_messageQueue);
g_hash_table_unref (gst_gl_display_map);
gst_gl_display_glutCreateWindow (display);
gst_gl_display_unlock (display);
- GST_DEBUG ("Glut mainLoop start");
+ g_print ("Glut mainLoop start\n");
glutMainLoop ();
- GST_DEBUG ("Glut mainLoop exited");
+ g_print ("Glut mainLoop exited\n");
return NULL;
}
display->title = g_string_append (display->title, buffer);
glutWinId = glutCreateWindow (display->title->str, display->winId);
- GST_DEBUG ("Context %d created\n", glutWinId);
+ g_print ("Context %d created\n", glutWinId);
if (display->visible)
glutShowWindow ();
}
+/* Called by the idle funtion */
+static void
+gst_gl_display_glutGenerateFBO (GstGLDisplay *display)
+{
+
+ glutSetWindow (display->glutWinId);
+
+ //-- generate frame buffer object
+
+ //setup FBO
+ glGenFramebuffersEXT (1, &display->requestedFBO);
+ glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, display->requestedFBO);
+
+ //setup the render buffer for depth
+ glGenRenderbuffersEXT(1, &display->requestedDepthBuffer);
+ glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, display->requestedDepthBuffer);
+ glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT,
+ display->requestedTextureFBOWidth, display->requestedTextureFBOHeight);
+
+ //setup a texture to render to
+ glGenTextures (1, &display->requestedTextureFBO);
+ glBindTexture(GL_TEXTURE_RECTANGLE_ARB, display->requestedTextureFBO);
+ glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
+ display->requestedTextureFBOWidth, display->requestedTextureFBOHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ 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_TO_EDGE);
+ glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+ //attach the texture to the FBO to renderer to
+ glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+ GL_TEXTURE_RECTANGLE_ARB, display->requestedTextureFBO, 0);
+
+ //attach the depth render buffer to the FBO
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+ GL_RENDERBUFFER_EXT, display->requestedDepthBuffer);
+
+ g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
+ GL_FRAMEBUFFER_COMPLETE_EXT);
+
+ //unbind the FBO
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+ g_cond_signal (display->cond_video);
+}
+
+
/* Called by the idle function */
static void
gst_gl_display_glutDestroyWindow (GstGLDisplay *display)
}
g_hash_table_remove (gst_gl_display_map, GINT_TO_POINTER (display->glutWinId));
- GST_DEBUG ("glut window destroyed: %d", display->glutWinId);
+ g_print ("glut window destroyed: %d\n", display->glutWinId);
//if the map is empty, leaveMainloop and join the thread
if (g_hash_table_size (gst_gl_display_map) == 0)
gst_gl_display_glutDispatchAction (msg);
}
}
- else GST_DEBUG ("timeout reached in idle func");
+ else g_print ("timeout reached in idle func\n");
}
case GST_GL_DISPLAY_ACTION_REDISPLAY:
gst_gl_display_glutPostRedisplay (msg->display);
break;
+ case GST_GL_DISPLAY_ACTION_GENFBO:
+ gst_gl_display_glutGenerateFBO (msg->display);
+ break;
default:
g_assert_not_reached ();
}
case GST_GL_DISPLAY_ACTION_CLEAR:
case GST_GL_DISPLAY_ACTION_VIDEO:
case GST_GL_DISPLAY_ACTION_REDISPLAY:
+ case GST_GL_DISPLAY_ACTION_GENFBO:
//msg is out of date if the associated display is not in the map
if (!g_hash_table_lookup (gst_gl_display_map, GINT_TO_POINTER (msg->glutWinId)))
valid = FALSE;
/* Called by gst_gl elements */
void
-gst_gl_display_textureChanged (GstGLDisplay * display, GstVideoFormat video_format,
+gst_gl_display_textureChanged (GstGLDisplay* display, GstVideoFormat video_format,
GLuint texture, GLuint texture_u, GLuint texture_v,
gint width, gint height, gpointer data)
{
/* Called by gstglbuffer */
void
-gst_gl_display_clearTexture (GstGLDisplay * display, guint texture,
+gst_gl_display_clearTexture (GstGLDisplay* display, guint texture,
guint texture_u, guint texture_v)
{
gst_gl_display_lock (display);
/* Called by gst_gl elements */
void
+gst_gl_display_requestFBO (GstGLDisplay* display, gint width, gint height,
+ guint* fbo, guint* depthbuffer, guint* texture)
+{
+ gst_gl_display_lock (display);
+ display->requestedTextureFBOWidth = width;
+ display->requestedTextureFBOHeight = height;
+ gst_gl_display_postMessage (GST_GL_DISPLAY_ACTION_GENFBO, display);
+ g_cond_wait (display->cond_generateFBO, display->mutex);
+ *fbo = display->requestedFBO;
+ *depthbuffer = display->requestedDepthBuffer;
+ *texture = display->requestedTextureFBO;
+ gst_gl_display_unlock (display);
+}
+
+
+/* Called by gst_gl elements */
+void
gst_gl_display_set_windowId (GstGLDisplay* display, gulong winId)
{
static gint glheight = 0;
if (g_hash_table_size (gst_gl_display_map) == 0)
{
g_thread_join (gst_gl_display_glutThread);
- GST_DEBUG ("Glut thread joined when setting winId");
+ g_print ("Glut thread joined when setting winId\n");
gst_gl_display_glutThread = NULL;
g_async_queue_unref (gst_gl_display_messageQueue);
g_hash_table_unref (gst_gl_display_map);
GST_GL_DISPLAY_ACTION_CHANGE,
GST_GL_DISPLAY_ACTION_CLEAR,
GST_GL_DISPLAY_ACTION_VIDEO,
- GST_GL_DISPLAY_ACTION_REDISPLAY
+ GST_GL_DISPLAY_ACTION_REDISPLAY,
+ GST_GL_DISPLAY_ACTION_GENFBO
} GstGLDisplayAction;
struct _GstGLDisplay {
GObject object;
- GMutex *mutex;
+ GMutex* mutex;
GQueue* texturePool;
- GCond *cond_make;
- GCond *cond_fill;
- GCond *cond_clear;
- GCond *cond_video;
-
- GCond *cond_create;
- GCond *cond_destroy;
+ GCond* cond_make;
+ GCond* cond_fill;
+ GCond* cond_clear;
+ GCond* cond_video;
+ GCond* cond_generateFBO;
+
+ GCond* cond_create;
+ GCond* cond_destroy;
gint glutWinId;
gulong winId;
- GString *title;
+ GString* title;
gint win_xpos;
gint win_ypos;
gint glcontext_width;
GLuint graphicDepthBuffer;
GLuint graphicTexture;
+ //filter frame buffer object (GL -> GL)
+ GLuint requestedFBO;
+ GLuint requestedDepthBuffer;
+ GLuint requestedTextureFBO;
+ GLuint requestedTextureFBOWidth;
+ GLuint requestedTextureFBOHeight;
+
GLuint requestedTexture;
GLuint requestedTexture_u;
GLuint requestedTexture_v;
void gst_gl_display_videoChanged (GstGLDisplay* display, GstVideoFormat video_format,
gpointer data);
gboolean gst_gl_display_postRedisplay (GstGLDisplay* display);
+void gst_gl_display_requestFBO (GstGLDisplay* display, gint width, gint height,
+ guint* fbo, guint* depthbuffer, guint* texture);
void gst_gl_display_set_windowId (GstGLDisplay* display, gulong winId);
#endif
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
+ *
+ * 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 "gstglfilter.h"
+
+#define GST_CAT_DEFAULT gst_gl_filter_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+
+static GstStaticPadTemplate gst_gl_filter_src_pad_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
+ );
+
+static GstStaticPadTemplate gst_gl_filter_sink_pad_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
+ );
+
+#define DEBUG_INIT(bla) \
+ GST_DEBUG_CATEGORY_INIT (gst_gl_filter_debug, "glfilter", 0, "glfilter element");
+
+GST_BOILERPLATE_FULL (GstGLFilter, gst_gl_filter, GstBaseTransform,
+ GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
+
+static void gst_gl_filter_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_gl_filter_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static void gst_gl_filter_reset (GstGLFilter * filter);
+static gboolean gst_gl_filter_start (GstBaseTransform * bt);
+static gboolean gst_gl_filter_stop (GstBaseTransform * bt);
+static gboolean gst_gl_filter_get_unit_size (GstBaseTransform * trans,
+ GstCaps * caps, guint * size);
+static GstFlowReturn gst_gl_filter_transform (GstBaseTransform * bt,
+ GstBuffer * inbuf, GstBuffer * outbuf);
+static GstFlowReturn gst_gl_filter_prepare_output_buffer (GstBaseTransform *
+ trans, GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf);
+static gboolean gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
+ GstCaps * outcaps);
+static gboolean gst_gl_filter_do_transform (GstGLFilter * filter,
+ GstGLBuffer * inbuf, GstGLBuffer * outbuf);
+
+
+static void
+gst_gl_filter_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_gl_filter_src_pad_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_gl_filter_sink_pad_template));
+}
+
+static void
+gst_gl_filter_class_init (GstGLFilterClass * klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gobject_class->set_property = gst_gl_filter_set_property;
+ gobject_class->get_property = gst_gl_filter_get_property;
+
+ GST_BASE_TRANSFORM_CLASS (klass)->transform = gst_gl_filter_transform;
+ GST_BASE_TRANSFORM_CLASS (klass)->start = gst_gl_filter_start;
+ GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_filter_stop;
+ GST_BASE_TRANSFORM_CLASS (klass)->set_caps = gst_gl_filter_set_caps;
+ GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size = gst_gl_filter_get_unit_size;
+ GST_BASE_TRANSFORM_CLASS (klass)->prepare_output_buffer =
+ gst_gl_filter_prepare_output_buffer;
+}
+
+static void
+gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass)
+{
+ //gst_element_create_all_pads (GST_ELEMENT (filter));
+
+ filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink");
+ filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src");
+
+ /*gst_gl_display_requestFBO
+
+ filter->fbo = */
+
+ gst_gl_filter_reset (filter);
+}
+
+static void
+gst_gl_filter_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ //GstGLFilter *filter = GST_GL_FILTER (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_gl_filter_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ //GstGLFilter *filter = GST_GL_FILTER (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_gl_filter_reset (GstGLFilter* filter)
+{
+ if (filter->display)
+ {
+ g_object_unref (filter->display);
+ filter->display = NULL;
+ }
+ filter->video_format = GST_VIDEO_FORMAT_UNKNOWN;
+ filter->width = 0;
+ filter->height = 0;
+}
+
+static gboolean
+gst_gl_filter_start (GstBaseTransform* bt)
+{
+ return TRUE;
+}
+
+static gboolean
+gst_gl_filter_stop (GstBaseTransform* bt)
+{
+ GstGLFilter *filter = GST_GL_FILTER (bt);
+
+ gst_gl_filter_reset (filter);
+
+ return TRUE;
+}
+
+static gboolean
+gst_gl_filter_get_unit_size (GstBaseTransform* trans, GstCaps* caps,
+ guint* size)
+{
+ gboolean ret;
+ GstVideoFormat video_format;
+ gint width;
+ gint height;
+
+ ret = gst_gl_buffer_format_parse_caps (caps, &video_format, &width, &height);
+ if (ret)
+ *size = gst_gl_buffer_format_get_size (video_format, width, height);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_gl_filter_prepare_output_buffer (GstBaseTransform* trans,
+ GstBuffer* inbuf, gint size, GstCaps* caps, GstBuffer** buf)
+{
+ GstGLFilter* filter;
+ GstGLBuffer* gl_inbuf = GST_GL_BUFFER (inbuf);
+ GstGLBuffer* gl_outbuf;
+
+ filter = GST_GL_FILTER (trans);
+
+ if (filter->display == NULL)
+ filter->display = g_object_ref (gl_inbuf->display);
+
+ gl_outbuf = gst_gl_buffer_new_from_video_format (filter->display,
+ filter->video_format,
+ filter->width, filter->height,
+ filter->width, filter->height);
+
+ *buf = GST_BUFFER (gl_outbuf);
+ gst_buffer_set_caps (*buf, caps);
+
+ g_print ("gstglfilter: gst_gl_filter_prepare_output_buffer\n");
+
+ return GST_FLOW_OK;
+}
+
+static gboolean
+gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
+ GstCaps * outcaps)
+{
+ GstGLFilter *filter;
+ gboolean ret;
+
+ filter = GST_GL_FILTER (bt);
+
+ ret = gst_gl_buffer_format_parse_caps (incaps, &filter->video_format,
+ &filter->width, &filter->height);
+
+ if (!ret)
+ {
+ GST_DEBUG ("bad caps");
+ return FALSE;
+ }
+
+ GST_ERROR ("set_caps %d %d", filter->width, filter->height);
+
+ return ret;
+}
+
+static GstFlowReturn
+gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
+ GstBuffer * outbuf)
+{
+ GstGLFilter* filter;
+ GstGLBuffer* gl_inbuf = GST_GL_BUFFER (inbuf);
+ GstGLBuffer* gl_outbuf = GST_GL_BUFFER (outbuf);
+
+ filter = GST_GL_FILTER (bt);
+
+ g_print ("gstglfilter: gst_gl_filter_transform\n");
+
+ gst_gl_filter_do_transform (filter, gl_inbuf, gl_outbuf);
+
+ return GST_FLOW_OK;
+}
+
+static gboolean
+gst_gl_filter_do_transform (GstGLFilter * filter,
+ GstGLBuffer * inbuf, GstGLBuffer * outbuf)
+{
+ GstGLDisplay* display = inbuf->display;
+ GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter);
+
+ outbuf->texture = inbuf->texture;
+
+ /*unsigned int fbo;
+
+ gst_gl_display_lock (display);
+
+ 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);
+
+ glClearColor (0.3, 0.3, 0.3, 1.0);
+ glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+
+ glDisable (GL_CULL_FACE);
+ glEnableClientState (GL_TEXTURE_COORD_ARRAY);
+
+ glColor4f (1, 1, 1, 1);
+
+ glEnable (GL_TEXTURE_RECTANGLE_ARB);
+ glActiveTexture (GL_TEXTURE0);
+ glBindTexture (GL_TEXTURE_RECTANGLE_ARB, inbuf->texture);*/
+
+ filter_class->filter (filter, inbuf, outbuf);
+/*
+#if 0
+ 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);
+
+ glColor4f (1, 0, 1, 1);
+ glBegin (GL_QUADS);
+
+ glNormal3f (0, 0, -1);
+
+ glTexCoord2f (inbuf->width, 0);
+ glVertex3f (0.9, -0.9, 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 ();
+#endif
+
+ glFlush ();
+
+ glDeleteFramebuffersEXT (1, &fbo);
+
+ gst_gl_display_unlock (display);*/
+
+ return TRUE;
+}
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
+ *
+ * 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_FILTER_H_
+#define _GST_GL_FILTER_H_
+
+#include <gst/gst.h>
+#include <gst/base/gstbasetransform.h>
+#include <gst/video/video.h>
+
+#include "gstglbuffer.h"
+
+#define GST_TYPE_GL_FILTER (gst_gl_filter_get_type())
+#define GST_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER,GstGLFilter))
+#define GST_IS_GL_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER))
+#define GST_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
+#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
+#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
+typedef struct _GstGLFilter GstGLFilter;
+typedef struct _GstGLFilterClass GstGLFilterClass;
+
+typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
+ GstGLBuffer *inbuf, GstGLBuffer *outbuf);
+
+struct _GstGLFilter
+{
+ GstBaseTransform base_transform;
+
+ GstPad *srcpad;
+ GstPad *sinkpad;
+
+ GstGLDisplay *display;
+ GstVideoFormat video_format;
+ int width;
+ int height;
+};
+
+struct _GstGLFilterClass
+{
+ GstBaseTransformClass base_transform_class;
+ GstGLFilterProcessFunc filter;
+};
+
+GType gst_gl_filter_get_type(void);
+
+#endif
+
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
+ *
+ * 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 "gstglfiltercube.h"
+
+#define GST_CAT_DEFAULT gst_gl_filter_cube_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+static const GstElementDetails element_details =
+ GST_ELEMENT_DETAILS ("OpenGL cube filter",
+ "Filter/Effect",
+ "Put input texture on the cube faces",
+ "Julien Isorce <julien.isorce@gmail.com>");
+
+enum
+{
+ PROP_0
+};
+
+#define DEBUG_INIT(bla) \
+ GST_DEBUG_CATEGORY_INIT (gst_gl_filter_cube_debug, "glfiltercube", 0, "glfiltercube element");
+
+GST_BOILERPLATE_FULL (GstGLFilterCube, gst_gl_filter_cube, GstGLFilter,
+ GST_TYPE_GL_FILTER, DEBUG_INIT);
+
+static void gst_gl_filter_cube_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_gl_filter_cube_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static gboolean gst_gl_filter_cube_filter (GstGLFilter * filter,
+ GstGLBuffer * inbuf, GstGLBuffer * outbuf);
+
+
+static void
+gst_gl_filter_cube_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ gst_element_class_set_details (element_class, &element_details);
+}
+
+static void
+gst_gl_filter_cube_class_init (GstGLFilterCubeClass * klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gobject_class->set_property = gst_gl_filter_cube_set_property;
+ gobject_class->get_property = gst_gl_filter_cube_get_property;
+
+ GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filter_cube_filter;
+}
+
+static void
+gst_gl_filter_cube_init (GstGLFilterCube * filter,
+ GstGLFilterCubeClass * klass)
+{
+}
+
+static void
+gst_gl_filter_cube_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ //GstGLFilterCube *filter = GST_GL_FILTER_CUBE (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_gl_filter_cube_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ //GstGLFilterCube *filter = GST_GL_FILTER_CUBE (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_gl_filter_cube_filter (GstGLFilter * filter, GstGLBuffer * inbuf,
+ GstGLBuffer * outbuf)
+{
+ GstGLFilterCube* cube = GST_GL_FILTER_CUBE(filter);
+
+ g_print ("gstglfiltercube: gst_gl_filter_cube_filter\n");
+ /*int i, j;
+ double *vertex_x, *vertex_y;
+
+ 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);
+
+ glColor4f (1, 0, 1, 1);
+
+
+
+ glMatrixMode (GL_COLOR);
+ glLoadMatrixd (matrix);
+ glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, (1 - GAIN) / 2);
+ glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (1 - GAIN) / 2);
+ glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, (1 - GAIN) / 2);
+ }
+
+
+
+#define N 10
+#define SCALE (1.0/N)
+#define NOISE() (0.1*SCALE*g_random_double_range(-1,1))
+ vertex_x = malloc (sizeof (double) * (N + 1) * (N + 1));
+ vertex_y = malloc (sizeof (double) * (N + 1) * (N + 1));
+ for (j = 0; j < N + 1; j++) {
+ for (i = 0; i < N + 1; i++) {
+ vertex_x[j * (N + 1) + i] = i * SCALE + NOISE ();
+ vertex_y[j * (N + 1) + i] = j * SCALE + NOISE ();
+ }
+ }
+ for (j = 0; j < N; j++) {
+ for (i = 0; i < N; i++) {
+ glBegin (GL_QUADS);
+ glNormal3f (0, 0, -1);
+ glTexCoord2f (i * SCALE, j * SCALE);
+ glVertex3f (vertex_x[j * (N + 1) + i], vertex_y[j * (N + 1) + i], 0);
+ glTexCoord2f ((i + 1) * SCALE, j * SCALE);
+ glVertex3f (vertex_x[j * (N + 1) + (i + 1)],
+ vertex_y[j * (N + 1) + (i + 1)], 0);
+ glTexCoord2f ((i + 1) * SCALE, (j + 1) * SCALE);
+ glVertex3f (vertex_x[(j + 1) * (N + 1) + (i + 1)],
+ vertex_y[(j + 1) * (N + 1) + (i + 1)], 0);
+ glTexCoord2f (i * SCALE, (j + 1) * SCALE);
+ glVertex3f (vertex_x[(j + 1) * (N + 1) + i],
+ vertex_y[(j + 1) * (N + 1) + i], 0);
+ glEnd ();
+ }
+ }
+ free (vertex_x);
+ free (vertex_y);
+
+
+ glFlush ();
+
+ glMatrixMode (GL_MODELVIEW);
+ glLoadIdentity ();
+ glMatrixMode (GL_TEXTURE);
+ glLoadIdentity ();
+ glMatrixMode (GL_COLOR);
+ glLoadIdentity ();
+ glPixelTransferf (GL_POST_COLOR_MATRIX_RED_SCALE, 1.0);
+ glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, 0);
+ glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, 0);
+ glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, 0);*/
+
+ return TRUE;
+}
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
+ *
+ * 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_FILTERCUBE_H_
+#define _GST_GL_FILTERCUBE_H_
+
+#include "gstglfilter.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_GL_FILTER_CUBE (gst_gl_filter_cube_get_type())
+#define GST_GL_FILTER_CUBE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER_CUBE,GstGLFilterCube))
+#define GST_IS_GL_FILTER_CUBE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER_CUBE))
+#define GST_GL_FILTER_CUBE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER_CUBE,GstGLFilterCubeClass))
+#define GST_IS_GL_FILTER_CUBE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER_CUBE))
+#define GST_GL_FILTER_CUBE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER_CUBE,GstGLFilterCubeClass))
+typedef struct _GstGLFilterCube GstGLFilterCube;
+typedef struct _GstGLFilterCubeClass GstGLFilterCubeClass;
+
+struct _GstGLFilterCube
+{
+ GstGLFilter filter;
+
+};
+
+struct _GstGLFilterCubeClass
+{
+ GstGLFilterClass filter_class;
+};
+
+GType gst_gl_glfiltercube_get_type (void);
+
+G_END_DECLS
+
+#endif /* _GST_GLFILTERCUBE_H_ */
static void
gst_gl_graphicmaker_reset (GstGLGraphicmaker* graphicmaker)
{
- if (graphicmaker->display) {
+ if (graphicmaker->display)
+ {
g_object_unref (graphicmaker->display);
graphicmaker->display = NULL;
}
ret = gst_video_format_parse_caps (incaps, &graphicmaker->video_format,
&graphicmaker->width, &graphicmaker->height);
- if (!ret) {
+ if (!ret)
+ {
GST_DEBUG ("bad caps");
return FALSE;
}
static gboolean
gst_glimage_sink_stop (GstBaseSink * bsink)
{
- GstGLImageSink *glimage_sink;
+ GstGLImageSink *glimage_sink;
- GST_DEBUG ("stop");
+ GST_DEBUG ("stop");
- glimage_sink = GST_GLIMAGE_SINK (bsink);
+ glimage_sink = GST_GLIMAGE_SINK (bsink);
- if (glimage_sink->stored_buffer) {
- gst_buffer_unref (glimage_sink->stored_buffer);
- glimage_sink->stored_buffer = NULL;
- }
- if (glimage_sink->display) {
- gst_gl_display_setVisibleWindow (glimage_sink->display, FALSE);
- g_object_unref (glimage_sink->display);
- glimage_sink->display = NULL;
- }
+ if (glimage_sink->stored_buffer)
+ {
+ gst_buffer_unref (glimage_sink->stored_buffer);
+ glimage_sink->stored_buffer = NULL;
+ }
+ if (glimage_sink->display)
+ {
+ gst_gl_display_setVisibleWindow (glimage_sink->display, FALSE);
+ g_object_unref (glimage_sink->display);
+ glimage_sink->display = NULL;
+ }
- return TRUE;
+ return TRUE;
}
static gboolean
gst_glimage_sink_unlock (GstBaseSink * bsink)
{
- //GstGLImageSink* glimage_sink = GST_GLIMAGE_SINK (bsink);
+ //GstGLImageSink* glimage_sink = GST_GLIMAGE_SINK (bsink);
- GST_DEBUG ("unlock");
+ GST_DEBUG ("unlock");
- return TRUE;
+ return TRUE;
}
static void
gst_glimage_sink_get_times (GstBaseSink * bsink, GstBuffer * buf,
GstClockTime * start, GstClockTime * end)
{
- GstGLImageSink *glimagesink;
+ GstGLImageSink *glimagesink;
- glimagesink = GST_GLIMAGE_SINK (bsink);
+ glimagesink = GST_GLIMAGE_SINK (bsink);
- if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
- *start = GST_BUFFER_TIMESTAMP (buf);
- if (GST_BUFFER_DURATION_IS_VALID (buf)) {
- *end = *start + GST_BUFFER_DURATION (buf);
- } else {
- if (glimagesink->fps_n > 0) {
- *end = *start +
- gst_util_uint64_scale_int (GST_SECOND, glimagesink->fps_d,
- glimagesink->fps_n);
- }
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buf))
+ {
+ *start = GST_BUFFER_TIMESTAMP (buf);
+ if (GST_BUFFER_DURATION_IS_VALID (buf))
+ *end = *start + GST_BUFFER_DURATION (buf);
+ else
+ {
+ if (glimagesink->fps_n > 0) {
+ *end = *start +
+ gst_util_uint64_scale_int (GST_SECOND, glimagesink->fps_d,
+ glimagesink->fps_n);
+ }
+ }
}
- }
}
#endif
#include "gstglgraphicmaker.h"
+#include "gstglfiltercube.h"
#include "gstglvideomaker.h"
#include "gstglimagesink.h"
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (gst_gl_gstgl_debug, "gstopengl", 0, "gstopengl");
-
- if (!gst_element_register (plugin, "glvideomaker",
- GST_RANK_NONE, GST_TYPE_GL_VIDEOMAKER)) {
- return FALSE;
- }
if (!gst_element_register (plugin, "glgraphicmaker",
GST_RANK_NONE, GST_TYPE_GL_GRAPHICMAKER)) {
return FALSE;
}
+ if (!gst_element_register (plugin, "glfiltercube",
+ GST_RANK_NONE, GST_TYPE_GL_FILTER_CUBE)) {
+ return FALSE;
+ }
+
+ if (!gst_element_register (plugin, "glvideomaker",
+ GST_RANK_NONE, GST_TYPE_GL_VIDEOMAKER)) {
+ return FALSE;
+ }
+
if (!gst_element_register (plugin, "glimagesink",
GST_RANK_NONE, GST_TYPE_GLIMAGE_SINK)) {
return FALSE;