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gst/audioscale/gstaudioscale.c: Fix getcaps to expand and union lists. (bug #138225)

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Original commit message from CVS:
* gst/audioscale/gstaudioscale.c: (gst_audioscale_expand_value),
(gst_audioscale_getcaps): Fix getcaps to expand and union lists.
(bug #138225)
* gst/debug/Makefile.am:
* gst/debug/breakmydata.c: (gst_break_my_data_plugin_init):
* gst/debug/gstdebug.c: (plugin_init):  Merge elements into one
plugin.
* gst/debug/negotiation.c: (gst_gst_negotiation_get_type),
(gst_negotiation_base_init), (gst_negotiation_class_init),
(gst_negotiation_init), (gst_negotiation_getcaps),
(gst_negotiation_pad_link), (gst_negotiation_chain),
(gst_negotiation_set_property), (gst_negotiation_get_property),
(gst_negotiation_plugin_init):  New element to talk about random
negotiation things happening in a pipeline.
This commit is contained in:
David Schleef 2004-03-31 22:36:36 +00:00
parent c936f73caf
commit eeb92bbb19
5 changed files with 338 additions and 9 deletions
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17
ChangeLog
View file

@ -1,3 +1,20 @@
2004-03-31 David Schleef <ds@schleef.org>
* gst/audioscale/gstaudioscale.c: (gst_audioscale_expand_value),
(gst_audioscale_getcaps): Fix getcaps to expand and union lists.
(bug #138225)
* gst/debug/Makefile.am:
* gst/debug/breakmydata.c: (gst_break_my_data_plugin_init):
* gst/debug/gstdebug.c: (plugin_init): Merge elements into one
plugin.
* gst/debug/negotiation.c: (gst_gst_negotiation_get_type),
(gst_negotiation_base_init), (gst_negotiation_class_init),
(gst_negotiation_init), (gst_negotiation_getcaps),
(gst_negotiation_pad_link), (gst_negotiation_chain),
(gst_negotiation_set_property), (gst_negotiation_get_property),
(gst_negotiation_plugin_init): New element to talk about random
negotiation things happening in a pipeline.
2004-03-31 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/adder/gstadder.c: (gst_adder_get_type), (gst_adder_loop):

5
gst/debug/Makefile.am
View file

@ -11,6 +11,9 @@ libgstnavigationtest_la_SOURCES = gstnavigationtest.c
libgstnavigationtest_la_CFLAGS = $(GST_CFLAGS) -I$(top_srcdir)/gst/videofilter
libgstnavigationtest_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstdebug_la_SOURCES = breakmydata.c
libgstdebug_la_SOURCES = gstdebug.c \
breakmydata.c \
negotiation.c
libgstdebug_la_CFLAGS = $(GST_CFLAGS)
libgstdebug_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

10
gst/debug/breakmydata.c
View file

@ -252,8 +252,8 @@ gst_break_my_data_change_state (GstElement * element)
(element), GST_STATE_SUCCESS);
}
static gboolean
plugin_init (GstPlugin * plugin)
gboolean
gst_break_my_data_plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "breakmydata", GST_RANK_NONE,
GST_TYPE_BREAK_MY_DATA))
@ -264,9 +264,3 @@ plugin_init (GstPlugin * plugin)
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"debug",
"elements for testing and debugging",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)

43
gst/debug/gstdebug.c Normal file
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@ -0,0 +1,43 @@
/* GStreamer
* Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/gst.h>
gboolean gst_break_my_data_plugin_init (GstPlugin * plugin);
gboolean gst_negotiation_plugin_init (GstPlugin * plugin);
static gboolean
plugin_init (GstPlugin * plugin)
{
gst_break_my_data_plugin_init (plugin);
gst_negotiation_plugin_init (plugin);
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"debug",
"elements for testing and debugging",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)

272
gst/debug/negotiation.c Normal file
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@ -0,0 +1,272 @@
/*
* GStreamer
* Copyright (C) 1999-2001 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2002 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#define GST_TYPE_NEGOTIATION \
(gst_gst_negotiation_get_type())
#define GST_NEGOTIATION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NEGOTIATION,GstNegotiation))
#define GST_NEGOTIATION_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NEGOTIATION,GstNegotiation))
#define GST_IS_NEGOTIATION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NEGOTIATION))
#define GST_IS_NEGOTIATION_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NEGOTIATION))
typedef struct _GstNegotiation GstNegotiation;
typedef struct _GstNegotiationClass GstNegotiationClass;
struct _GstNegotiation
{
GstElement element;
GstPad *sinkpad, *srcpad;
};
struct _GstNegotiationClass
{
GstElementClass parent_class;
};
GType gst_gst_negotiation_get_type (void);
static GstElementDetails plugin_details = {
"Negotiation",
"Testing",
"This element acts like identity, except that one can control how "
"negotiation works",
"David A. Schleef <ds@schleef.org>",
};
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0
};
static GstStaticPadTemplate gst_negotiation_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate gst_negotiation_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static void gst_negotiation_base_init (gpointer g_class);
static void gst_negotiation_class_init (GstNegotiationClass * klass);
static void gst_negotiation_init (GstNegotiation * filter);
static GstCaps *gst_negotiation_getcaps (GstPad * pad);
static GstPadLinkReturn gst_negotiation_pad_link (GstPad * pad,
const GstCaps * caps);
static void gst_negotiation_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_negotiation_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_negotiation_chain (GstPad * pad, GstData * _data);
static GstElementClass *parent_class = NULL;
typedef struct _GstFencedBuffer GstFencedBuffer;
struct _GstFencedBuffer
{
GstBuffer buffer;
void *region;
unsigned int length;
};
GType
gst_gst_negotiation_get_type (void)
{
static GType plugin_type = 0;
if (!plugin_type) {
static const GTypeInfo plugin_info = {
sizeof (GstNegotiationClass),
gst_negotiation_base_init,
NULL,
(GClassInitFunc) gst_negotiation_class_init,
NULL,
NULL,
sizeof (GstNegotiation),
0,
(GInstanceInitFunc) gst_negotiation_init,
};
plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstNegotiation", &plugin_info, 0);
}
return plugin_type;
}
static void
gst_negotiation_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_negotiation_sink_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_negotiation_src_factory));
gst_element_class_set_details (element_class, &plugin_details);
}
static void
gst_negotiation_class_init (GstNegotiationClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_negotiation_set_property;
gobject_class->get_property = gst_negotiation_get_property;
}
static void
gst_negotiation_init (GstNegotiation * filter)
{
filter->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_negotiation_sink_factory), "sink");
gst_pad_set_getcaps_function (filter->sinkpad, gst_negotiation_getcaps);
gst_pad_set_link_function (filter->sinkpad, gst_negotiation_pad_link);
filter->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_negotiation_src_factory), "src");
gst_pad_set_getcaps_function (filter->srcpad, gst_negotiation_getcaps);
gst_pad_set_link_function (filter->srcpad, gst_negotiation_pad_link);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
gst_pad_set_chain_function (filter->sinkpad, gst_negotiation_chain);
}
static GstCaps *
gst_negotiation_getcaps (GstPad * pad)
{
GstNegotiation *negotiation = GST_NEGOTIATION (gst_pad_get_parent (pad));
GstPad *otherpad;
GstCaps *caps;
otherpad = (pad == negotiation->sinkpad) ? negotiation->srcpad :
negotiation->sinkpad;
caps = gst_pad_get_allowed_caps (otherpad);
GST_ERROR ("getcaps called on %" GST_PTR_FORMAT ", returning %"
GST_PTR_FORMAT, pad, caps);
return caps;
}
static GstPadLinkReturn
gst_negotiation_pad_link (GstPad * pad, const GstCaps * caps)
{
GstNegotiation *negotiation = GST_NEGOTIATION (gst_pad_get_parent (pad));
GstPad *otherpad;
GstPadLinkReturn ret;
otherpad = (pad == negotiation->sinkpad) ? negotiation->srcpad :
negotiation->sinkpad;
ret = gst_pad_try_set_caps (otherpad, caps);
GST_ERROR ("pad_link called on %" GST_PTR_FORMAT " with caps %"
GST_PTR_FORMAT ", returning %d", pad, caps, ret);
return ret;
}
static void
gst_negotiation_chain (GstPad * pad, GstData * _data)
{
GstNegotiation *negotiation = GST_NEGOTIATION (gst_pad_get_parent (pad));
gst_pad_push (negotiation->srcpad, _data);
}
static void
gst_negotiation_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstNegotiation *filter;
g_return_if_fail (GST_IS_NEGOTIATION (object));
filter = GST_NEGOTIATION (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_negotiation_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstNegotiation *filter;
g_return_if_fail (GST_IS_NEGOTIATION (object));
filter = GST_NEGOTIATION (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
gboolean
gst_negotiation_plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "negotiation", GST_RANK_NONE,
GST_TYPE_NEGOTIATION))
return FALSE;
return TRUE;
}