mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 12:11:13 +00:00
Code Issues 1 Projects Releases Wiki Activity

[143/906] Add init and reset callbacks in GstGLFilter to run arbitrary gl code at start and stop. Useful to init and cleanup custom gl resources.

Browse source
This commit is contained in:
Filippo Argiolas 2008-08-11 09:52:16 +02:00 committed by Tim-Philipp Müller
parent a54a462705
commit ce17f1a2db
4 changed files with 215 additions and 173 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
gst-libs/gst/gl/gstgldisplay.c
View file

@ -1,6 +1,7 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public

1
gst-libs/gst/gl/gstgldisplay.h
View file

@ -1,6 +1,7 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public

347
gst-libs/gst/gl/gstglfilter.c
View file

@ -1,6 +1,7 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
@ -29,45 +30,48 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static GstStaticPadTemplate gst_gl_filter_src_pad_template = static GstStaticPadTemplate gst_gl_filter_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_SRC,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS) GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
); );
static GstStaticPadTemplate gst_gl_filter_sink_pad_template = static GstStaticPadTemplate gst_gl_filter_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink", GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK, GST_PAD_SINK,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_GL_VIDEO_CAPS) GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
); );
#define DEBUG_INIT(bla) \ #define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_gl_filter_debug, "glfilter", 0, "glfilter element"); GST_DEBUG_CATEGORY_INIT (gst_gl_filter_debug, "glfilter", 0, "glfilter element");
GST_BOILERPLATE_FULL (GstGLFilter, gst_gl_filter, GstBaseTransform, GST_BOILERPLATE_FULL (GstGLFilter, gst_gl_filter, GstBaseTransform,
GST_TYPE_BASE_TRANSFORM, DEBUG_INIT); GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
static void gst_gl_filter_set_property (GObject * object, guint prop_id, static void gst_gl_filter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec); const GValue * value, GParamSpec * pspec);
static void gst_gl_filter_get_property (GObject * object, guint prop_id, static void gst_gl_filter_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec); GValue * value, GParamSpec * pspec);
static GstCaps* gst_gl_filter_transform_caps (GstBaseTransform* bt, static GstCaps* gst_gl_filter_transform_caps (GstBaseTransform* bt,
GstPadDirection direction, GstCaps* caps); GstPadDirection direction, GstCaps* caps);
static void gst_gl_filter_reset (GstGLFilter * filter); static void gst_gl_filter_reset (GstGLFilter * filter);
static gboolean gst_gl_filter_start (GstBaseTransform * bt); static gboolean gst_gl_filter_start (GstBaseTransform * bt);
static gboolean gst_gl_filter_stop (GstBaseTransform * bt); static gboolean gst_gl_filter_stop (GstBaseTransform * bt);
static gboolean gst_gl_filter_get_unit_size (GstBaseTransform * trans, static gboolean gst_gl_filter_get_unit_size (GstBaseTransform * trans,
GstCaps * caps, guint * size); GstCaps * caps, guint * size);
static GstFlowReturn gst_gl_filter_transform (GstBaseTransform * bt, static GstFlowReturn gst_gl_filter_transform (GstBaseTransform * bt,
GstBuffer * inbuf, GstBuffer * outbuf); GstBuffer * inbuf, GstBuffer * outbuf);
static GstFlowReturn gst_gl_filter_prepare_output_buffer (GstBaseTransform * static GstFlowReturn gst_gl_filter_prepare_output_buffer (GstBaseTransform *
trans, GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf); trans, GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf);
static gboolean gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps, static gboolean gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
GstCaps * outcaps); GstCaps * outcaps);
static gboolean gst_gl_filter_do_transform (GstGLFilter * filter, static gboolean gst_gl_filter_do_transform (GstGLFilter * filter,
GstGLBuffer * inbuf, GstGLBuffer * outbuf); GstGLBuffer * inbuf, GstGLBuffer * outbuf);
/* GstGLDisplayThreadFunc */
static void gst_gl_filter_start_gl (GstGLDisplay *display, gpointer data);
static void gst_gl_filter_stop_gl (GstGLDisplay *display, gpointer data);
static void static void
@ -76,244 +80,271 @@ gst_gl_filter_base_init (gpointer klass)
GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class, gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_gl_filter_src_pad_template)); gst_static_pad_template_get (&gst_gl_filter_src_pad_template));
gst_element_class_add_pad_template (element_class, gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_gl_filter_sink_pad_template)); gst_static_pad_template_get (&gst_gl_filter_sink_pad_template));
} }
static void static void
gst_gl_filter_class_init (GstGLFilterClass * klass) gst_gl_filter_class_init (GstGLFilterClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass; gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_filter_set_property; gobject_class->set_property = gst_gl_filter_set_property;
gobject_class->get_property = gst_gl_filter_get_property; gobject_class->get_property = gst_gl_filter_get_property;
GST_BASE_TRANSFORM_CLASS (klass)->transform_caps = GST_BASE_TRANSFORM_CLASS (klass)->transform_caps =
gst_gl_filter_transform_caps; gst_gl_filter_transform_caps;
GST_BASE_TRANSFORM_CLASS (klass)->transform = gst_gl_filter_transform; 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)->start = gst_gl_filter_start;
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_filter_stop; 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)->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)->get_unit_size = gst_gl_filter_get_unit_size;
GST_BASE_TRANSFORM_CLASS (klass)->prepare_output_buffer = GST_BASE_TRANSFORM_CLASS (klass)->prepare_output_buffer =
gst_gl_filter_prepare_output_buffer; gst_gl_filter_prepare_output_buffer;
klass->set_caps = NULL; klass->set_caps = NULL;
klass->filter = NULL; klass->filter = NULL;
klass->onInitFBO = NULL; klass->display_init_cb = NULL;
klass->onReset = NULL; klass->display_reset_cb = NULL;
klass->onInitFBO = NULL;
klass->onReset = NULL;
} }
static void static void
gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass) gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass)
{ {
//gst_element_create_all_pads (GST_ELEMENT (filter)); //gst_element_create_all_pads (GST_ELEMENT (filter));
filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink"); filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink");
filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src"); filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src");
gst_gl_filter_reset (filter); gst_gl_filter_reset (filter);
} }
static void static void
gst_gl_filter_set_property (GObject * object, guint prop_id, gst_gl_filter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec) const GValue * value, GParamSpec * pspec)
{ {
//GstGLFilter *filter = GST_GL_FILTER (object); //GstGLFilter *filter = GST_GL_FILTER (object);
switch (prop_id) switch (prop_id)
{ {
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
} }
static void static void
gst_gl_filter_get_property (GObject * object, guint prop_id, gst_gl_filter_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec) GValue * value, GParamSpec * pspec)
{ {
//GstGLFilter *filter = GST_GL_FILTER (object); //GstGLFilter *filter = GST_GL_FILTER (object);
switch (prop_id) switch (prop_id)
{ {
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
} }
} }
static void static void
gst_gl_filter_reset (GstGLFilter* filter) gst_gl_filter_reset (GstGLFilter* filter)
{ {
GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter); GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter);
if (filter_class->onReset) if (filter_class->onReset)
filter_class->onReset (filter); filter_class->onReset (filter);
if (filter->display) if (filter->display)
{ {
//blocking call, delete the FBO if (filter_class->display_reset_cb != NULL) {
gst_gl_display_del_fbo (filter->display, filter->fbo, gst_gl_display_thread_add (filter->display, gst_gl_filter_stop_gl, filter);
filter->depthbuffer);
g_object_unref (filter->display);
filter->display = NULL;
} }
filter->width = 0; //blocking call, delete the FBO
filter->height = 0; gst_gl_display_del_fbo (filter->display, filter->fbo,
filter->fbo = 0; filter->depthbuffer);
filter->depthbuffer = 0; g_object_unref (filter->display);
filter->display = NULL;
}
filter->width = 0;
filter->height = 0;
filter->fbo = 0;
filter->depthbuffer = 0;
} }
static gboolean static gboolean
gst_gl_filter_start (GstBaseTransform* bt) gst_gl_filter_start (GstBaseTransform* bt)
{ {
return TRUE; return TRUE;
} }
static gboolean static gboolean
gst_gl_filter_stop (GstBaseTransform* bt) gst_gl_filter_stop (GstBaseTransform* bt)
{ {
GstGLFilter *filter = GST_GL_FILTER (bt); GstGLFilter *filter = GST_GL_FILTER (bt);
gst_gl_filter_reset (filter); gst_gl_filter_reset (filter);
return TRUE; return TRUE;
}
static void
gst_gl_filter_start_gl (GstGLDisplay *display, gpointer data)
{
GstGLFilter *filter = GST_GL_FILTER (data);
GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
filter_class->display_init_cb (filter);
}
static void
gst_gl_filter_stop_gl (GstGLDisplay *display, gpointer data)
{
GstGLFilter *filter = GST_GL_FILTER (data);
GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
filter_class->display_reset_cb (filter);
} }
static GstCaps* static GstCaps*
gst_gl_filter_transform_caps (GstBaseTransform* bt, gst_gl_filter_transform_caps (GstBaseTransform* bt,
GstPadDirection direction, GstCaps* caps) GstPadDirection direction, GstCaps* caps)
{ {
//GstGLFilter* filter = GST_GL_FILTER (bt); //GstGLFilter* filter = GST_GL_FILTER (bt);
GstStructure* structure = gst_caps_get_structure (caps, 0); GstStructure* structure = gst_caps_get_structure (caps, 0);
GstCaps* ret = gst_caps_copy (caps); GstCaps* ret = gst_caps_copy (caps);
const GValue* par = NULL; const GValue* par = NULL;
structure = gst_structure_copy (gst_caps_get_structure (ret, 0)); structure = gst_structure_copy (gst_caps_get_structure (ret, 0));
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
gst_caps_merge_structure (ret, gst_structure_copy (structure));
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio")))
{
gst_structure_set (structure, gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT, "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL); gst_caps_merge_structure (ret, structure);
}
else
gst_structure_free (structure);
gst_caps_merge_structure (ret, gst_structure_copy (structure)); GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, ret);
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) return ret;
{
gst_structure_set (structure,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
gst_caps_merge_structure (ret, structure);
}
else
gst_structure_free (structure);
GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, ret);
return ret;
} }
static gboolean static gboolean
gst_gl_filter_get_unit_size (GstBaseTransform* trans, GstCaps* caps, gst_gl_filter_get_unit_size (GstBaseTransform* trans, GstCaps* caps,
guint* size) guint* size)
{ {
gboolean ret = FALSE; gboolean ret = FALSE;
gint width = 0; gint width = 0;
gint height = 0; gint height = 0;
ret = gst_gl_buffer_parse_caps (caps, &width, &height); ret = gst_gl_buffer_parse_caps (caps, &width, &height);
if (ret) if (ret)
*size = gst_gl_buffer_get_size (width, height); *size = gst_gl_buffer_get_size (width, height);
return TRUE; return TRUE;
} }
static GstFlowReturn static GstFlowReturn
gst_gl_filter_prepare_output_buffer (GstBaseTransform* trans, gst_gl_filter_prepare_output_buffer (GstBaseTransform* trans,
GstBuffer* inbuf, gint size, GstCaps* caps, GstBuffer** buf) GstBuffer* inbuf, gint size, GstCaps* caps, GstBuffer** buf)
{ {
GstGLFilter* filter = NULL; GstGLFilter* filter = NULL;
GstGLBuffer* gl_inbuf = GST_GL_BUFFER (inbuf); GstGLBuffer* gl_inbuf = GST_GL_BUFFER (inbuf);
GstGLBuffer* gl_outbuf = NULL; GstGLBuffer* gl_outbuf = NULL;
filter = GST_GL_FILTER (trans); filter = GST_GL_FILTER (trans);
if (filter->display == NULL) if (filter->display == NULL)
{ {
GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter); GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter);
filter->display = g_object_ref (gl_inbuf->display); filter->display = g_object_ref (gl_inbuf->display);
//blocking call, generate a FBO //blocking call, generate a FBO
gst_gl_display_gen_fbo (filter->display, filter->width, filter->height, gst_gl_display_gen_fbo (filter->display, filter->width, filter->height,
&filter->fbo, &filter->depthbuffer); &filter->fbo, &filter->depthbuffer);
if (filter_class->onInitFBO) if (filter_class->display_init_cb != NULL) {
filter_class->onInitFBO (filter); gst_gl_display_thread_add (filter->display, gst_gl_filter_start_gl, filter);
} }
gl_outbuf = gst_gl_buffer_new (filter->display, if (filter_class->onInitFBO)
filter->width, filter->height); filter_class->onInitFBO (filter);
}
*buf = GST_BUFFER (gl_outbuf); gl_outbuf = gst_gl_buffer_new (filter->display,
gst_buffer_set_caps (*buf, caps); filter->width, filter->height);
if (gl_outbuf->texture) *buf = GST_BUFFER (gl_outbuf);
return GST_FLOW_OK; gst_buffer_set_caps (*buf, caps);
else
return GST_FLOW_UNEXPECTED; if (gl_outbuf->texture)
return GST_FLOW_OK;
else
return GST_FLOW_UNEXPECTED;
} }
static gboolean static gboolean
gst_gl_filter_set_caps (GstBaseTransform* bt, GstCaps* incaps, gst_gl_filter_set_caps (GstBaseTransform* bt, GstCaps* incaps,
GstCaps* outcaps) GstCaps* outcaps)
{ {
GstGLFilter* filter = GST_GL_FILTER (bt); GstGLFilter* filter = GST_GL_FILTER (bt);
gboolean ret = FALSE; gboolean ret = FALSE;
GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter); GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter);
ret = gst_gl_buffer_parse_caps (outcaps, &filter->width, &filter->height); ret = gst_gl_buffer_parse_caps (outcaps, &filter->width, &filter->height);
if (filter_class->set_caps) if (filter_class->set_caps)
filter_class->set_caps (filter, incaps, outcaps); filter_class->set_caps (filter, incaps, outcaps);
if (!ret) if (!ret)
{ {
GST_DEBUG ("bad caps"); GST_DEBUG ("bad caps");
return FALSE; return FALSE;
} }
GST_ERROR ("set_caps %d %d", filter->width, filter->height); GST_ERROR ("set_caps %d %d", filter->width, filter->height);
return ret; return ret;
} }
static GstFlowReturn static GstFlowReturn
gst_gl_filter_transform (GstBaseTransform* bt, GstBuffer* inbuf, gst_gl_filter_transform (GstBaseTransform* bt, GstBuffer* inbuf,
GstBuffer* outbuf) GstBuffer* outbuf)
{ {
GstGLFilter* filter; GstGLFilter* filter;
GstGLBuffer* gl_inbuf = GST_GL_BUFFER (inbuf); GstGLBuffer* gl_inbuf = GST_GL_BUFFER (inbuf);
GstGLBuffer* gl_outbuf = GST_GL_BUFFER (outbuf); GstGLBuffer* gl_outbuf = GST_GL_BUFFER (outbuf);
filter = GST_GL_FILTER (bt); filter = GST_GL_FILTER (bt);
gst_gl_filter_do_transform (filter, gl_inbuf, gl_outbuf); gst_gl_filter_do_transform (filter, gl_inbuf, gl_outbuf);
return GST_FLOW_OK; return GST_FLOW_OK;
} }
static gboolean static gboolean
gst_gl_filter_do_transform (GstGLFilter* filter, gst_gl_filter_do_transform (GstGLFilter* filter,
GstGLBuffer* inbuf, GstGLBuffer* outbuf) GstGLBuffer* inbuf, GstGLBuffer* outbuf)
{ {
GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter); GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter);
filter_class->filter (filter, inbuf, outbuf); filter_class->filter (filter, inbuf, outbuf);
return TRUE; return TRUE;
} }
/* convenience functions to simplify filter development */ /* convenience functions to simplify filter development */
@ -323,11 +354,11 @@ gst_gl_filter_render_to_target (GstGLFilter *filter,
GLuint input, GLuint target, GLuint input, GLuint target,
GLCB func, gpointer data) GLCB func, gpointer data)
{ {
gst_gl_display_use_fbo (filter->display, filter->width, filter->height, gst_gl_display_use_fbo (filter->display, filter->width, filter->height,
filter->fbo, filter->depthbuffer, target, filter->fbo, filter->depthbuffer, target,
func, func,
filter->width, filter->height, input, filter->width, filter->height, input,
0, filter->width, 0, filter->height, 0, filter->width, 0, filter->height,
GST_GL_DISPLAY_PROJECTION_ORTHO2D, GST_GL_DISPLAY_PROJECTION_ORTHO2D,
data); data);
} }

39
gst-libs/gst/gl/gstglfilter.h
View file

@ -1,6 +1,7 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
@ -40,34 +41,42 @@ typedef struct _GstGLFilterClass GstGLFilterClass;
typedef gboolean (*GstGLFilterSetCaps) (GstGLFilter* filter, typedef gboolean (*GstGLFilterSetCaps) (GstGLFilter* filter,
GstCaps* incaps, GstCaps* outcaps); GstCaps* incaps, GstCaps* outcaps);
typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter, typedef gboolean (*GstGLFilterProcessFunc) (GstGLFilter *filter,
GstGLBuffer *inbuf, GstGLBuffer *outbuf); GstGLBuffer *inbuf, GstGLBuffer *outbuf);
typedef void (*GstGLFilterOnInitFBO) (GstGLFilter *filter); typedef void (*GstGLFilterOnInitFBO) (GstGLFilter *filter);
typedef void (*GstGLFilterOnReset) (GstGLFilter *filter); typedef void (*GstGLFilterOnReset) (GstGLFilter *filter);
typedef void (*GstGLFilterGLStartFunc) (GstGLFilter *filter);
typedef void (*GstGLFilterGLStopFunc) (GstGLFilter *filter);
struct _GstGLFilter struct _GstGLFilter
{ {
GstBaseTransform base_transform; GstBaseTransform base_transform;
GstPad *srcpad; GstPad *srcpad;
GstPad *sinkpad; GstPad *sinkpad;
GstGLDisplay *display; GstGLDisplay *display;
gint width; gint width;
gint height; gint height;
GLuint fbo; GLuint fbo;
GLuint depthbuffer; GLuint depthbuffer;
}; };
struct _GstGLFilterClass struct _GstGLFilterClass
{ {
GstBaseTransformClass base_transform_class; GstBaseTransformClass base_transform_class;
GstGLFilterSetCaps set_caps; GstGLFilterSetCaps set_caps;
GstGLFilterProcessFunc filter; GstGLFilterProcessFunc filter;
GstGLFilterOnInitFBO onInitFBO; GstGLFilterOnInitFBO onInitFBO;
GstGLFilterOnReset onReset;
GstGLFilterOnReset onReset;
/* useful to init and cleanup custom gl resources */
GstGLFilterGLStartFunc display_init_cb; /* run arbitrary gl code at start */
GstGLFilterGLStopFunc display_reset_cb; /* run arbitrary gl code at stop */
}; };
GType gst_gl_filter_get_type(void); GType gst_gl_filter_get_type(void);