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[146/906] remove filteredge

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This commit is contained in:
Julien Isorce 2008-08-11 15:40:39 +02:00 committed by Matthew Waters
parent 26564461f0
commit d6ef47cd9c
4 changed files with 61 additions and 320 deletions
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38
gst-libs/gst/gl/gstglfilter.c
View file

@ -1,4 +1,4 @@
/* /*
* 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> * Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
@ -129,7 +129,7 @@ gst_gl_filter_set_property (GObject * object, guint prop_id,
{ {
//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);
@ -143,7 +143,7 @@ gst_gl_filter_get_property (GObject * object, guint prop_id,
{ {
//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);
@ -155,17 +155,17 @@ 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)
{ {
if (filter_class->display_reset_cb != NULL) { if (filter_class->display_reset_cb != NULL) {
gst_gl_display_thread_add (filter->display, gst_gl_filter_stop_gl, filter); gst_gl_display_thread_add (filter->display, gst_gl_filter_stop_gl, filter);
} }
//blocking call, delete the FBO //blocking call, delete the FBO
gst_gl_display_del_fbo (filter->display, filter->fbo, gst_gl_display_del_fbo (filter->display, filter->fbo,
filter->depthbuffer); filter->depthbuffer);
g_object_unref (filter->display); g_object_unref (filter->display);
filter->display = NULL; filter->display = NULL;
@ -197,7 +197,7 @@ gst_gl_filter_start_gl (GstGLDisplay *display, gpointer data)
{ {
GstGLFilter *filter = GST_GL_FILTER (data); GstGLFilter *filter = GST_GL_FILTER (data);
GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter); GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
filter_class->display_init_cb (filter); filter_class->display_init_cb (filter);
} }
@ -206,7 +206,7 @@ gst_gl_filter_stop_gl (GstGLDisplay *display, gpointer data)
{ {
GstGLFilter *filter = GST_GL_FILTER (data); GstGLFilter *filter = GST_GL_FILTER (data);
GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter); GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
filter_class->display_reset_cb (filter); filter_class->display_reset_cb (filter);
} }
@ -227,12 +227,12 @@ gst_gl_filter_transform_caps (GstBaseTransform* bt,
gst_caps_merge_structure (ret, gst_structure_copy (structure)); gst_caps_merge_structure (ret, gst_structure_copy (structure));
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio")))
{ {
gst_structure_set (structure, gst_structure_set (structure,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL); "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
gst_caps_merge_structure (ret, structure); gst_caps_merge_structure (ret, structure);
} }
else else
gst_structure_free (structure); gst_structure_free (structure);
@ -251,7 +251,7 @@ gst_gl_filter_get_unit_size (GstBaseTransform* trans, GstCaps* caps,
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;
@ -270,7 +270,7 @@ gst_gl_filter_prepare_output_buffer (GstBaseTransform* 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
@ -310,13 +310,13 @@ gst_gl_filter_set_caps (GstBaseTransform* bt, GstCaps* incaps,
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_DEBUG ("set_caps %d %d", filter->width, filter->height);
return ret; return ret;
} }
@ -350,13 +350,13 @@ gst_gl_filter_do_transform (GstGLFilter* filter,
/* convenience functions to simplify filter development */ /* convenience functions to simplify filter development */
void void
gst_gl_filter_render_to_target (GstGLFilter *filter, 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,

206
gst/gl/gstglfilteredge.c
View file

@ -1,206 +0,0 @@
/*
* 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 "gstglfilteredge.h"
#define GST_CAT_DEFAULT gst_gl_filter_edge_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static const GstElementDetails element_details =
GST_ELEMENT_DETAILS ("OpenGL edge filter",
"Filter/Effect",
"Edge detection using GLSL",
"Julien Isorce <julien.isorce@gmail.com>");
enum
{
PROP_0
};
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_gl_filter_edge_debug, "glfilteredge", 0, "glfilteredge element");
GST_BOILERPLATE_FULL (GstGLFilterEdge, gst_gl_filter_edge, GstGLFilter,
GST_TYPE_GL_FILTER, DEBUG_INIT);
static void gst_gl_filter_edge_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_filter_edge_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_gl_filter_edge_reset (GstGLFilter* filter);
static void gst_gl_filter_edge_init_shader (GstGLFilter* filter);
static gboolean gst_gl_filter_edge_filter (GstGLFilter * filter,
GstGLBuffer * inbuf, GstGLBuffer * outbuf);
static void gst_gl_filter_edge_callback (gint width, gint height, guint texture, gpointer stuff);
static const gchar *sobel_fragment_source =
"uniform sampler2DRect tex;\n"
"void main(void) {\n"
" const int N = 8;\n"
" const vec2 delta[N] = vec2[N](\n"
" vec2( -1.0, -1.0 ),\n"
" vec2( -1.0 , 0.0 ),\n"
" vec2( -1.0 , 1.0 ),\n"
" vec2( 0.0 , 1.0 ),\n"
" vec2( 1.0 , 1.0 ),\n"
" vec2( 1.0 , 0.0 ),\n"
" vec2( 1.0 , -1.0 ),\n"
" vec2( 0.0 , -1.0 )\n"
" );\n"
" const float filterH[N] = float[N]\n"
" (-1.0, 0.0, 1.0, 2.0, 1.0, 0.0, -1.0, -2.0);\n"
" const float filterV[N] = float[N]\n"
" (-1.0, -2.0, -1.0, 0.0, 1.0, 2.0, 1.0, 0.0);\n"
" float gH = 0.0;\n"
" float gV = 0.0;\n"
" int i;\n"
" vec2 nxy = gl_TexCoord[0].xy;\n"
" for (i = 0; i < N; i++) {\n"
" vec4 vcolor_i = texture2DRect(tex, nxy + delta[i]);\n"
" float gray_i = (vcolor_i.r + vcolor_i.g + vcolor_i.b) / 3.0;\n"
" gH += gH + filterH[i] * gray_i;\n"
" gV += gV + filterV[i] * gray_i;\n"
" }\n"
" float g = sqrt(gH * gH + gV * gV) / 256.0;\n"
" gl_FragColor = vec4(g, g, g, 1.0);\n"
"}\n";
static void
gst_gl_filter_edge_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_edge_class_init (GstGLFilterEdgeClass* klass)
{
GObjectClass* gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_filter_edge_set_property;
gobject_class->get_property = gst_gl_filter_edge_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filter_edge_filter;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filter_edge_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_edge_reset;
}
static void
gst_gl_filter_edge_init (GstGLFilterEdge* filter,
GstGLFilterEdgeClass* klass)
{
filter->shader = NULL;
}
static void
gst_gl_filter_edge_reset (GstGLFilter* filter)
{
GstGLFilterEdge* edge_filter = GST_GL_FILTER_EDGE(filter);
//blocking call, wait the opengl thread has destroyed the shader
gst_gl_display_del_shader (filter->display, edge_filter->shader);
}
static void
gst_gl_filter_edge_set_property (GObject* object, guint prop_id,
const GValue* value, GParamSpec* pspec)
{
//GstGLFilterEdge *filter = GST_GL_FILTER_EDGE (object);
switch (prop_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filter_edge_get_property (GObject* object, guint prop_id,
GValue* value, GParamSpec* pspec)
{
//GstGLFilterEdge *filter = GST_GL_FILTER_EDGE (object);
switch (prop_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filter_edge_init_shader (GstGLFilter* filter)
{
GstGLFilterEdge* edge_filter = GST_GL_FILTER_EDGE (filter);
//blocking call, wait the opengl thread has compiled the shader program
gst_gl_display_gen_shader (filter->display, sobel_fragment_source, &edge_filter->shader);
}
static gboolean
gst_gl_filter_edge_filter (GstGLFilter* filter, GstGLBuffer* inbuf,
GstGLBuffer* outbuf)
{
gpointer edge_filter = GST_GL_FILTER_EDGE (filter);
//blocking call, generate a FBO
gst_gl_display_use_fbo (filter->display, filter->width, filter->height,
filter->fbo, filter->depthbuffer, outbuf->texture, gst_gl_filter_edge_callback,
inbuf->width, inbuf->height, inbuf->texture,
0, filter->width, 0, filter->height,
GST_GL_DISPLAY_PROJECTION_ORTHO2D, edge_filter);
return TRUE;
}
//opengl scene, params: input texture (not the output filter->texture)
static void
gst_gl_filter_edge_callback (gint width, gint height, guint texture, gpointer stuff)
{
GstGLFilterEdge* edge_filter = GST_GL_FILTER_EDGE (stuff);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gst_gl_shader_use (edge_filter->shader);
glActiveTextureARB(GL_TEXTURE0_ARB);
gst_gl_shader_set_uniform_1i (edge_filter->shader, "tex", 0);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
glBegin (GL_QUADS);
glTexCoord2i (0, 0);
glVertex2f (-1.0f, -1.0f);
glTexCoord2i (width, 0);
glVertex2f (1.0f, -1.0f);
glTexCoord2i (width, height);
glVertex2f (1.0f, 1.0f);
glTexCoord2i (0, height);
glVertex2f (-1.0f, 1.0f);
glEnd ();
}

53
gst/gl/gstglfilteredge.h
View file

@ -1,53 +0,0 @@
/*
* 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_FILTEREDGE_H_
#define _GST_GL_FILTEREDGE_H_
#include "gstglfilter.h"
G_BEGIN_DECLS
#define GST_TYPE_GL_FILTER_EDGE (gst_gl_filter_edge_get_type())
#define GST_GL_FILTER_EDGE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER_EDGE,GstGLFilterEdge))
#define GST_IS_GL_FILTER_EDGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER_EDGE))
#define GST_GL_FILTER_EDGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER_EDGE,GstGLFilterEdgeClass))
#define GST_IS_GL_FILTER_EDGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER_EDGE))
#define GST_GL_FILTER_EDGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER_EDGE,GstGLFilterEdgeClass))
typedef struct _GstGLFilterEdge GstGLFilterEdge;
typedef struct _GstGLFilterEdgeClass GstGLFilterEdgeClass;
struct _GstGLFilterEdge
{
GstGLFilter filter;
GstGLShader *shader;
};
struct _GstGLFilterEdgeClass
{
GstGLFilterClass filter_class;
};
GType gst_gl_glfilteredge_get_type (void);
G_END_DECLS
#endif /* _GST_GLFILTEREDGE_H_ */

84
gst/gl/gstglupload.c
View file

@ -1,4 +1,4 @@
/* /*
* GStreamer * GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* *
@ -28,7 +28,7 @@
#define GST_CAT_DEFAULT gst_gl_upload_debug #define GST_CAT_DEFAULT gst_gl_upload_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static const GstElementDetails element_details = static const GstElementDetails element_details =
GST_ELEMENT_DETAILS ("OpenGL upload", GST_ELEMENT_DETAILS ("OpenGL upload",
"Filter/Effect", "Filter/Effect",
"A from video to GL flow filter", "A from video to GL flow filter",
@ -80,7 +80,7 @@ static void gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection d
GstCaps* caps, GstCaps* othercaps); GstCaps* caps, GstCaps* othercaps);
static gboolean gst_gl_upload_start (GstBaseTransform* bt); static gboolean gst_gl_upload_start (GstBaseTransform* bt);
static gboolean gst_gl_upload_stop (GstBaseTransform* bt); static gboolean gst_gl_upload_stop (GstBaseTransform* bt);
static GstFlowReturn gst_gl_upload_prepare_output_buffer (GstBaseTransform* trans, static GstFlowReturn gst_gl_upload_prepare_output_buffer (GstBaseTransform* trans,
GstBuffer* input, gint size, GstCaps* caps, GstBuffer** buf); GstBuffer* input, gint size, GstCaps* caps, GstBuffer** buf);
static GstFlowReturn gst_gl_upload_transform (GstBaseTransform* trans, static GstFlowReturn gst_gl_upload_transform (GstBaseTransform* trans,
GstBuffer* inbuf, GstBuffer * outbuf); GstBuffer* inbuf, GstBuffer * outbuf);
@ -134,7 +134,7 @@ gst_gl_upload_set_property (GObject* object, guint prop_id,
{ {
//GstGLUpload* upload = GST_GL_UPLOAD (object); //GstGLUpload* upload = GST_GL_UPLOAD (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);
@ -148,7 +148,7 @@ gst_gl_upload_get_property (GObject* object, guint prop_id,
{ {
//GstGLUpload *upload = GST_GL_UPLOAD (object); //GstGLUpload *upload = GST_GL_UPLOAD (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);
@ -158,8 +158,8 @@ gst_gl_upload_get_property (GObject* object, guint prop_id,
static void static void
gst_gl_upload_reset (GstGLUpload* upload) gst_gl_upload_reset (GstGLUpload* upload)
{ {
if (upload->display) if (upload->display)
{ {
g_object_unref (upload->display); g_object_unref (upload->display);
upload->display = NULL; upload->display = NULL;
@ -194,7 +194,7 @@ gst_gl_upload_transform_caps (GstBaseTransform* bt,
const GValue* framerate_value = NULL; const GValue* framerate_value = NULL;
const GValue* par_value = NULL; const GValue* par_value = NULL;
GST_ERROR ("transform caps %" GST_PTR_FORMAT, caps); GST_DEBUG ("transform caps %" GST_PTR_FORMAT, caps);
framerate_value = gst_structure_get_value (structure, "framerate"); framerate_value = gst_structure_get_value (structure, "framerate");
par_value = gst_structure_get_value (structure, "pixel-aspect-ratio"); par_value = gst_structure_get_value (structure, "pixel-aspect-ratio");
@ -206,7 +206,7 @@ gst_gl_upload_transform_caps (GstBaseTransform* bt,
gst_caps_append(newcaps, newothercaps); gst_caps_append(newcaps, newothercaps);
} }
else else
newcaps = gst_caps_new_simple ("video/x-raw-gl", NULL); newcaps = gst_caps_new_simple ("video/x-raw-gl", NULL);
structure = gst_structure_copy (gst_caps_get_structure (newcaps, 0)); structure = gst_structure_copy (gst_caps_get_structure (newcaps, 0));
@ -214,7 +214,7 @@ gst_gl_upload_transform_caps (GstBaseTransform* bt,
gst_structure_set (structure, gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL); "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
gst_structure_set_value (structure, "framerate", framerate_value); gst_structure_set_value (structure, "framerate", framerate_value);
if (par_value) if (par_value)
gst_structure_set_value (structure, "pixel-aspect-ratio", par_value); gst_structure_set_value (structure, "pixel-aspect-ratio", par_value);
@ -224,7 +224,7 @@ gst_gl_upload_transform_caps (GstBaseTransform* bt,
gst_caps_merge_structure (newcaps, gst_structure_copy (structure)); gst_caps_merge_structure (newcaps, gst_structure_copy (structure));
GST_ERROR ("new caps %" GST_PTR_FORMAT, newcaps); GST_DEBUG ("new caps %" GST_PTR_FORMAT, newcaps);
return newcaps; return newcaps;
} }
@ -250,7 +250,7 @@ gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection direction,
to_par = gst_structure_get_value (outs, "pixel-aspect-ratio"); to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
//we have both PAR but they might not be fixated //we have both PAR but they might not be fixated
if (from_par && to_par) if (from_par && to_par)
{ {
gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d; gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
@ -265,7 +265,7 @@ gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection direction,
from_par_d = gst_value_get_fraction_denominator (from_par); from_par_d = gst_value_get_fraction_denominator (from_par);
//fixate the out PAR //fixate the out PAR
if (!gst_value_is_fixed (to_par)) if (!gst_value_is_fixed (to_par))
{ {
GST_DEBUG_OBJECT (base, "fixating to_par to %dx%d", from_par_n, GST_DEBUG_OBJECT (base, "fixating to_par to %dx%d", from_par_n,
from_par_d); from_par_d);
@ -277,12 +277,12 @@ gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection direction,
to_par_d = gst_value_get_fraction_denominator (to_par); to_par_d = gst_value_get_fraction_denominator (to_par);
//f both width and height are already fixed, we can't do anything //f both width and height are already fixed, we can't do anything
//about it anymore //about it anymore
if (gst_structure_get_int (outs, "width", &w)) if (gst_structure_get_int (outs, "width", &w))
++count; ++count;
if (gst_structure_get_int (outs, "height", &h)) if (gst_structure_get_int (outs, "height", &h))
++count; ++count;
if (count == 2) if (count == 2)
{ {
GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating", GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating",
w, h); w, h);
@ -293,7 +293,7 @@ gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection direction,
gst_structure_get_int (ins, "height", &from_h); gst_structure_get_int (ins, "height", &from_h);
if (!gst_video_calculate_display_ratio (&num, &den, from_w, from_h, if (!gst_video_calculate_display_ratio (&num, &den, from_w, from_h,
from_par_n, from_par_d, to_par_n, to_par_d)) from_par_n, from_par_d, to_par_n, to_par_d))
{ {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL), GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow")); ("Error calculating the output scaled size - integer overflow"));
@ -310,35 +310,35 @@ gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection direction,
//prefer those that have one of w/h the same as the incoming video //prefer those that have one of w/h the same as the incoming video
//using wd / hd = num / den //using wd / hd = num / den
//if one of the output width or height is fixed, we work from there //if one of the output width or height is fixed, we work from there
if (h) if (h)
{ {
GST_DEBUG_OBJECT (base, "height is fixed,scaling width"); GST_DEBUG_OBJECT (base, "height is fixed,scaling width");
w = (guint) gst_util_uint64_scale_int (h, num, den); w = (guint) gst_util_uint64_scale_int (h, num, den);
} }
else if (w) else if (w)
{ {
GST_DEBUG_OBJECT (base, "width is fixed, scaling height"); GST_DEBUG_OBJECT (base, "width is fixed, scaling height");
h = (guint) gst_util_uint64_scale_int (w, den, num); h = (guint) gst_util_uint64_scale_int (w, den, num);
} }
else else
{ {
//none of width or height is fixed, figure out both of them based only on //none of width or height is fixed, figure out both of them based only on
//the input width and height //the input width and height
//check hd / den is an integer scale factor, and scale wd with the PAR //check hd / den is an integer scale factor, and scale wd with the PAR
if (from_h % den == 0) if (from_h % den == 0)
{ {
GST_DEBUG_OBJECT (base, "keeping video height"); GST_DEBUG_OBJECT (base, "keeping video height");
h = from_h; h = from_h;
w = (guint) gst_util_uint64_scale_int (h, num, den); w = (guint) gst_util_uint64_scale_int (h, num, den);
} }
else if (from_w % num == 0) else if (from_w % num == 0)
{ {
GST_DEBUG_OBJECT (base, "keeping video width"); GST_DEBUG_OBJECT (base, "keeping video width");
w = from_w; w = from_w;
h = (guint) gst_util_uint64_scale_int (w, den, num); h = (guint) gst_util_uint64_scale_int (w, den, num);
} }
else else
{ {
GST_DEBUG_OBJECT (base, "approximating but keeping video height"); GST_DEBUG_OBJECT (base, "approximating but keeping video height");
h = from_h; h = from_h;
@ -350,14 +350,14 @@ gst_gl_upload_fixate_caps (GstBaseTransform* base, GstPadDirection direction,
//now fixate //now fixate
gst_structure_fixate_field_nearest_int (outs, "width", w); gst_structure_fixate_field_nearest_int (outs, "width", w);
gst_structure_fixate_field_nearest_int (outs, "height", h); gst_structure_fixate_field_nearest_int (outs, "height", h);
} }
else else
{ {
gint width, height; gint width, height;
if (gst_structure_get_int (ins, "width", &width)) if (gst_structure_get_int (ins, "width", &width))
{ {
if (gst_structure_has_field (outs, "width")) if (gst_structure_has_field (outs, "width"))
gst_structure_fixate_field_nearest_int (outs, "width", width); gst_structure_fixate_field_nearest_int (outs, "width", width);
} }
if (gst_structure_get_int (ins, "height", &height)) { if (gst_structure_get_int (ins, "height", &height)) {
@ -387,7 +387,7 @@ gst_gl_upload_set_caps (GstBaseTransform* bt, GstCaps* incaps,
ret |= gst_video_format_parse_caps (incaps, &upload->video_format, ret |= gst_video_format_parse_caps (incaps, &upload->video_format,
&upload->video_width, &upload->video_height); &upload->video_width, &upload->video_height);
if (!ret) if (!ret)
{ {
GST_DEBUG ("caps connot be parsed"); GST_DEBUG ("caps connot be parsed");
return FALSE; return FALSE;
@ -395,14 +395,14 @@ gst_gl_upload_set_caps (GstBaseTransform* bt, GstCaps* incaps,
//we have video and gl size, we can now init OpenGL stuffs //we have video and gl size, we can now init OpenGL stuffs
upload->display = gst_gl_display_new (); upload->display = gst_gl_display_new ();
//init unvisible opengl context //init unvisible opengl context
gst_gl_display_create_context (upload->display, gst_gl_display_create_context (upload->display,
50, y_pos++ * (upload->gl_height+50) + 50, 50, y_pos++ * (upload->gl_height+50) + 50,
upload->gl_width, upload->gl_height, 0, FALSE); upload->gl_width, upload->gl_height, 0, FALSE);
//init colorspace conversion if needed //init colorspace conversion if needed
gst_gl_display_init_upload (upload->display, upload->video_format, gst_gl_display_init_upload (upload->display, upload->video_format,
upload->gl_width, upload->gl_height); upload->gl_width, upload->gl_height);
return ret; return ret;
@ -418,18 +418,18 @@ gst_gl_upload_get_unit_size (GstBaseTransform* trans, GstCaps* caps,
gint height = 0; gint height = 0;
structure = gst_caps_get_structure (caps, 0); structure = gst_caps_get_structure (caps, 0);
if (gst_structure_has_name (structure, "video/x-raw-gl")) if (gst_structure_has_name (structure, "video/x-raw-gl"))
{ {
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);
} }
else else
{ {
GstVideoFormat video_format = GST_VIDEO_FORMAT_UNKNOWN; GstVideoFormat video_format = GST_VIDEO_FORMAT_UNKNOWN;
ret = gst_video_format_parse_caps (caps, &video_format, &width, &height); ret = gst_video_format_parse_caps (caps, &video_format, &width, &height);
if (ret) if (ret)
*size = gst_video_format_get_size (video_format, width, height); *size = gst_video_format_get_size (video_format, width, height);
} }
@ -470,7 +470,7 @@ gst_gl_upload_transform (GstBaseTransform* trans, GstBuffer* inbuf,
//Depending on the colorspace, video is upload into several textures. //Depending on the colorspace, video is upload into several textures.
//However, there is only one output texture. The one attached //However, there is only one output texture. The one attached
//to the upload FBO. //to the upload FBO.
if (gst_gl_display_do_upload (upload->display, gl_outbuf->texture, if (gst_gl_display_do_upload (upload->display, gl_outbuf->texture,
upload->video_width, upload->video_height, GST_BUFFER_DATA (inbuf))) upload->video_width, upload->video_height, GST_BUFFER_DATA (inbuf)))
return GST_FLOW_OK; return GST_FLOW_OK;
else else