2000-12-28 22:12:02 +00:00
|
|
|
/* GStreamer
|
|
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
|
|
*
|
|
|
|
* gstprops.c: Properties subsystem for generic usage
|
2000-12-07 18:37:56 +00:00
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
*/
|
|
|
|
|
2000-12-31 16:12:48 +00:00
|
|
|
//#define GST_DEBUG_ENABLED
|
2000-12-28 22:12:02 +00:00
|
|
|
#include "gst_private.h"
|
2000-12-07 18:37:56 +00:00
|
|
|
|
2000-12-15 01:57:34 +00:00
|
|
|
#include "gstprops.h"
|
|
|
|
#include "gstpropsprivate.h"
|
2000-12-07 18:37:56 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
static GMemChunk *_gst_props_entries_chunk;
|
|
|
|
static GMutex *_gst_props_entries_chunk_lock;
|
|
|
|
|
|
|
|
static GMemChunk *_gst_props_chunk;
|
|
|
|
static GMutex *_gst_props_chunk_lock;
|
2000-12-28 22:12:02 +00:00
|
|
|
|
2000-12-07 18:37:56 +00:00
|
|
|
static gboolean gst_props_entry_check_compatibility (GstPropsEntry *entry1, GstPropsEntry *entry2);
|
|
|
|
|
|
|
|
void
|
|
|
|
_gst_props_initialize (void)
|
|
|
|
{
|
2001-04-16 21:43:28 +00:00
|
|
|
_gst_props_entries_chunk = g_mem_chunk_new ("GstPropsEntries",
|
|
|
|
sizeof (GstPropsEntry), sizeof (GstPropsEntry) * 256,
|
|
|
|
G_ALLOC_AND_FREE);
|
|
|
|
_gst_props_entries_chunk_lock = g_mutex_new ();
|
|
|
|
|
|
|
|
_gst_props_chunk = g_mem_chunk_new ("GstProps",
|
|
|
|
sizeof (GstProps), sizeof (GstProps) * 256,
|
|
|
|
G_ALLOC_AND_FREE);
|
|
|
|
_gst_props_chunk_lock = g_mutex_new ();
|
2000-12-07 18:37:56 +00:00
|
|
|
}
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
static void
|
|
|
|
gst_props_debug_entry (GstPropsEntry *entry)
|
2000-12-07 18:37:56 +00:00
|
|
|
{
|
2001-04-16 21:43:28 +00:00
|
|
|
switch (entry->propstype) {
|
2000-12-07 18:37:56 +00:00
|
|
|
case GST_PROPS_INT_ID:
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES, "%d\n", entry->data.int_data);
|
2000-12-07 18:37:56 +00:00
|
|
|
break;
|
|
|
|
case GST_PROPS_FOURCC_ID:
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES, "%4.4s\n", (gchar*)&entry->data.fourcc_data);
|
2000-12-07 18:37:56 +00:00
|
|
|
break;
|
|
|
|
case GST_PROPS_BOOL_ID:
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES, "%d\n", entry->data.bool_data);
|
2001-04-16 21:43:28 +00:00
|
|
|
break;
|
|
|
|
case GST_PROPS_STRING_ID:
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES, "%s\n", entry->data.string_data.string);
|
2001-04-16 21:43:28 +00:00
|
|
|
break;
|
|
|
|
case GST_PROPS_INT_RANGE_ID:
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES, "%d-%d\n", entry->data.int_range_data.min,
|
2001-04-16 21:43:28 +00:00
|
|
|
entry->data.int_range_data.max);
|
2000-12-07 18:37:56 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static gint
|
|
|
|
props_compare_func (gconstpointer a,
|
2001-04-16 21:43:28 +00:00
|
|
|
gconstpointer b)
|
2000-12-07 18:37:56 +00:00
|
|
|
{
|
|
|
|
GstPropsEntry *entry1 = (GstPropsEntry *)a;
|
|
|
|
GstPropsEntry *entry2 = (GstPropsEntry *)b;
|
|
|
|
|
|
|
|
return (entry1->propid - entry2->propid);
|
|
|
|
}
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
static gint
|
|
|
|
props_find_func (gconstpointer a,
|
|
|
|
gconstpointer b)
|
|
|
|
{
|
|
|
|
GstPropsEntry *entry2 = (GstPropsEntry *)a;
|
|
|
|
GQuark entry1 = (GQuark) GPOINTER_TO_INT (b);
|
|
|
|
|
|
|
|
return (entry1 - entry2->propid);
|
|
|
|
}
|
|
|
|
|
2001-05-24 00:46:45 +00:00
|
|
|
/* This is implemented as a huge macro because we cannot pass
|
|
|
|
* va_list variables by reference on some architectures.
|
|
|
|
*/
|
|
|
|
#define GST_PROPS_ENTRY_FILL(entry, var_args) \
|
|
|
|
G_STMT_START { \
|
|
|
|
entry->propstype = va_arg (var_args, GstPropsId); \
|
|
|
|
\
|
|
|
|
switch (entry->propstype) { \
|
|
|
|
case GST_PROPS_INT_ID: \
|
|
|
|
entry->data.int_data = va_arg (var_args, gint); \
|
|
|
|
break; \
|
|
|
|
case GST_PROPS_INT_RANGE_ID: \
|
|
|
|
entry->data.int_range_data.min = va_arg (var_args, gint); \
|
|
|
|
entry->data.int_range_data.max = va_arg (var_args, gint); \
|
|
|
|
break; \
|
|
|
|
case GST_PROPS_FLOAT_ID: \
|
|
|
|
entry->data.float_data = va_arg (var_args, gdouble); \
|
|
|
|
break; \
|
|
|
|
case GST_PROPS_FLOAT_RANGE_ID: \
|
|
|
|
entry->data.float_range_data.min = va_arg (var_args, gdouble); \
|
|
|
|
entry->data.float_range_data.max = va_arg (var_args, gdouble); \
|
|
|
|
break; \
|
|
|
|
case GST_PROPS_FOURCC_ID: \
|
|
|
|
entry->data.fourcc_data = va_arg (var_args, gulong); \
|
|
|
|
break; \
|
|
|
|
case GST_PROPS_BOOL_ID: \
|
|
|
|
entry->data.bool_data = va_arg (var_args, gboolean); \
|
|
|
|
break; \
|
|
|
|
case GST_PROPS_STRING_ID: \
|
|
|
|
entry->data.string_data.string = g_strdup (va_arg (var_args, gchar*)); \
|
|
|
|
break; \
|
|
|
|
default: \
|
|
|
|
break; \
|
|
|
|
} \
|
|
|
|
} G_STMT_END
|
2001-04-16 21:43:28 +00:00
|
|
|
|
2000-12-07 18:37:56 +00:00
|
|
|
/**
|
2001-04-16 21:43:28 +00:00
|
|
|
* gst_props_new:
|
|
|
|
* @firstname: the first property name
|
|
|
|
* @...: the property values
|
2000-12-07 18:37:56 +00:00
|
|
|
*
|
2001-04-16 21:43:28 +00:00
|
|
|
* Create a new property from the given key/value pairs
|
2000-12-07 18:37:56 +00:00
|
|
|
*
|
2001-04-16 21:43:28 +00:00
|
|
|
* Returns: the new property
|
2000-12-07 18:37:56 +00:00
|
|
|
*/
|
2001-04-16 21:43:28 +00:00
|
|
|
GstProps*
|
|
|
|
gst_props_new (const gchar *firstname, ...)
|
2000-12-31 16:12:48 +00:00
|
|
|
{
|
2001-04-16 21:43:28 +00:00
|
|
|
GstProps *props;
|
|
|
|
va_list var_args;
|
|
|
|
|
|
|
|
va_start (var_args, firstname);
|
2000-12-31 16:12:48 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
props = gst_props_newv (firstname, var_args);
|
|
|
|
|
|
|
|
va_end (var_args);
|
|
|
|
|
|
|
|
return props;
|
2000-12-31 16:12:48 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2001-04-16 21:43:28 +00:00
|
|
|
* gst_props_newv:
|
|
|
|
* @firstname: the first property name
|
|
|
|
* @var_args: the property values
|
2000-12-31 16:12:48 +00:00
|
|
|
*
|
2001-04-16 21:43:28 +00:00
|
|
|
* Create a new property from the list of entries.
|
2000-12-31 16:12:48 +00:00
|
|
|
*
|
2001-04-16 21:43:28 +00:00
|
|
|
* Returns: the new property created from the list of entries
|
2000-12-31 16:12:48 +00:00
|
|
|
*/
|
2001-04-16 21:43:28 +00:00
|
|
|
GstProps*
|
|
|
|
gst_props_newv (const gchar *firstname, va_list var_args)
|
2000-12-07 18:37:56 +00:00
|
|
|
{
|
2001-04-16 21:43:28 +00:00
|
|
|
GstProps *props;
|
|
|
|
gboolean inlist = FALSE;
|
|
|
|
const gchar *prop_name;
|
|
|
|
GstPropsEntry *list_entry = NULL;
|
2000-12-07 18:37:56 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_mutex_lock (_gst_props_chunk_lock);
|
|
|
|
props = g_mem_chunk_alloc (_gst_props_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_chunk_lock);
|
2000-12-17 16:24:14 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
props->properties = NULL;
|
|
|
|
props->refcount = 1;
|
2000-12-17 16:24:14 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
prop_name = firstname;
|
2000-12-07 18:37:56 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
// properties
|
|
|
|
while (prop_name) {
|
2000-12-07 18:37:56 +00:00
|
|
|
GstPropsEntry *entry;
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
entry = g_mem_chunk_alloc (_gst_props_entries_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
2000-12-07 18:37:56 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
entry->propid = g_quark_from_string (prop_name);
|
2001-05-24 00:46:45 +00:00
|
|
|
GST_PROPS_ENTRY_FILL (entry, var_args);
|
2001-04-16 21:43:28 +00:00
|
|
|
|
|
|
|
switch (entry->propstype) {
|
|
|
|
case GST_PROPS_INT_ID:
|
|
|
|
case GST_PROPS_INT_RANGE_ID:
|
|
|
|
case GST_PROPS_FLOAT_ID:
|
|
|
|
case GST_PROPS_FLOAT_RANGE_ID:
|
|
|
|
case GST_PROPS_FOURCC_ID:
|
|
|
|
case GST_PROPS_BOOL_ID:
|
|
|
|
case GST_PROPS_STRING_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
|
|
|
g_return_val_if_fail (inlist == FALSE, NULL);
|
|
|
|
inlist = TRUE;
|
|
|
|
list_entry = entry;
|
|
|
|
list_entry->data.list_data.entries = NULL;
|
|
|
|
break;
|
|
|
|
case GST_PROPS_END_ID:
|
|
|
|
g_return_val_if_fail (inlist == TRUE, NULL);
|
|
|
|
inlist = FALSE;
|
|
|
|
list_entry = NULL;
|
|
|
|
prop_name = va_arg (var_args, gchar*);
|
|
|
|
continue;
|
2000-12-07 18:37:56 +00:00
|
|
|
default:
|
2001-05-24 00:46:45 +00:00
|
|
|
g_warning ("unknown property type found %d for '%s'\n", entry->propstype, prop_name);
|
2001-04-16 21:43:28 +00:00
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
g_mem_chunk_free (_gst_props_entries_chunk, entry);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
2000-12-07 18:37:56 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
if (inlist && (list_entry != entry)) {
|
|
|
|
list_entry->data.list_data.entries = g_list_prepend (list_entry->data.list_data.entries, entry);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
props->properties = g_list_insert_sorted (props->properties, entry, props_compare_func);
|
|
|
|
}
|
|
|
|
if (!inlist)
|
|
|
|
prop_name = va_arg (var_args, gchar*);
|
|
|
|
}
|
2000-12-31 16:12:48 +00:00
|
|
|
|
2000-12-07 18:37:56 +00:00
|
|
|
return props;
|
|
|
|
}
|
|
|
|
|
2000-12-28 21:42:23 +00:00
|
|
|
/**
|
2001-04-16 21:43:28 +00:00
|
|
|
* gst_props_set:
|
|
|
|
* @props: the props to modify
|
|
|
|
* @name: the name of the entry to modify
|
|
|
|
* @...: More property entries.
|
2000-12-28 21:42:23 +00:00
|
|
|
*
|
2001-04-16 21:43:28 +00:00
|
|
|
* Modifies the value of the given entry in the props struct.
|
2000-12-28 21:42:23 +00:00
|
|
|
*
|
2001-04-16 21:43:28 +00:00
|
|
|
* Returns: the new modified property structure.
|
2000-12-28 21:42:23 +00:00
|
|
|
*/
|
2001-04-16 21:43:28 +00:00
|
|
|
GstProps*
|
|
|
|
gst_props_set (GstProps *props, const gchar *name, ...)
|
2000-12-19 16:36:10 +00:00
|
|
|
{
|
2001-04-16 21:43:28 +00:00
|
|
|
GQuark quark;
|
|
|
|
GList *lentry;
|
2000-12-19 16:36:10 +00:00
|
|
|
va_list var_args;
|
2001-04-16 21:43:28 +00:00
|
|
|
|
|
|
|
quark = g_quark_from_string (name);
|
|
|
|
|
|
|
|
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
|
|
|
|
|
|
|
|
if (lentry) {
|
|
|
|
GstPropsEntry *entry;
|
|
|
|
|
|
|
|
entry = (GstPropsEntry *)lentry->data;
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
va_start (var_args, name);
|
|
|
|
|
2001-05-24 00:46:45 +00:00
|
|
|
GST_PROPS_ENTRY_FILL (entry, var_args);
|
2001-04-16 21:43:28 +00:00
|
|
|
|
|
|
|
va_end (var_args);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
g_print("gstprops: no property '%s' to change\n", name);
|
|
|
|
}
|
|
|
|
|
|
|
|
return props;
|
2000-12-29 18:23:41 +00:00
|
|
|
}
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
/**
|
|
|
|
* gst_props_unref:
|
|
|
|
* @props: the props to unref
|
|
|
|
*
|
|
|
|
* Decrease the refcount of the property structure, destroying
|
|
|
|
* the property if the refcount is 0.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
gst_props_unref (GstProps *props)
|
|
|
|
{
|
|
|
|
g_return_if_fail (props != NULL);
|
|
|
|
|
|
|
|
props->refcount--;
|
|
|
|
|
|
|
|
if (props->refcount == 0)
|
|
|
|
gst_props_destroy (props);
|
|
|
|
}
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
/**
|
|
|
|
* gst_props_ref:
|
|
|
|
* @props: the props to ref
|
|
|
|
*
|
|
|
|
* Increase the refcount of the property structure.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
gst_props_ref (GstProps *props)
|
|
|
|
{
|
|
|
|
g_return_if_fail (props != NULL);
|
2000-12-29 18:23:41 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
props->refcount++;
|
|
|
|
}
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
/**
|
|
|
|
* gst_props_destroy:
|
|
|
|
* @props: the props to destroy
|
|
|
|
*
|
|
|
|
* Destroy the property, freeing all the memory that
|
|
|
|
* was allocated.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
gst_props_destroy (GstProps *props)
|
|
|
|
{
|
|
|
|
GList *entries;
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_return_if_fail (props != NULL);
|
|
|
|
|
|
|
|
entries = props->properties;
|
2000-12-29 18:23:41 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
while (entries) {
|
|
|
|
GstPropsEntry *entry = (GstPropsEntry *)entries->data;
|
|
|
|
|
|
|
|
// FIXME also free the lists
|
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
g_mem_chunk_free (_gst_props_entries_chunk, entry);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
|
|
|
|
|
|
|
entries = g_list_next (entries);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_list_free (props->properties);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* gst_props_copy:
|
|
|
|
* @props: the props to copy
|
|
|
|
*
|
|
|
|
* Copy the property structure.
|
|
|
|
*
|
|
|
|
* Returns: the new property that is a copy of the original
|
|
|
|
* one.
|
|
|
|
*/
|
|
|
|
GstProps*
|
|
|
|
gst_props_copy (GstProps *props)
|
|
|
|
{
|
|
|
|
GstProps *new;
|
|
|
|
GList *properties;
|
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, NULL);
|
|
|
|
|
|
|
|
g_mutex_lock (_gst_props_chunk_lock);
|
|
|
|
new = g_mem_chunk_alloc (_gst_props_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_chunk_lock);
|
|
|
|
|
|
|
|
new->properties = NULL;
|
|
|
|
|
|
|
|
properties = props->properties;
|
|
|
|
|
|
|
|
while (properties) {
|
|
|
|
GstPropsEntry *entry = (GstPropsEntry *)properties->data;
|
|
|
|
GstPropsEntry *newentry;
|
|
|
|
|
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
newentry = g_mem_chunk_alloc (_gst_props_entries_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
|
|
|
|
|
|
|
// FIXME copy lists too
|
|
|
|
memcpy (newentry, entry, sizeof (GstPropsEntry));
|
|
|
|
|
|
|
|
new->properties = g_list_prepend (new->properties, newentry);
|
|
|
|
|
|
|
|
properties = g_list_next (properties);
|
2000-12-19 16:36:10 +00:00
|
|
|
}
|
2001-04-16 21:43:28 +00:00
|
|
|
new->properties = g_list_reverse (new->properties);
|
|
|
|
|
|
|
|
return new;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* gst_props_copy_on_write:
|
|
|
|
* @props: the props to copy on write
|
|
|
|
*
|
|
|
|
* Copy the property structure if the refcount is >1.
|
|
|
|
*
|
|
|
|
* Returns: A new props that can be safely written to.
|
|
|
|
*/
|
|
|
|
GstProps*
|
|
|
|
gst_props_copy_on_write (GstProps *props)
|
|
|
|
{
|
|
|
|
GstProps *new = props;;
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_return_val_if_fail (props != NULL, NULL);
|
|
|
|
|
|
|
|
if (props->refcount > 1) {
|
|
|
|
new = gst_props_copy (props);
|
|
|
|
gst_props_unref (props);
|
|
|
|
}
|
2000-12-29 18:23:41 +00:00
|
|
|
|
|
|
|
return props;
|
2000-12-19 16:36:10 +00:00
|
|
|
}
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
/**
|
|
|
|
* gst_props_get_int:
|
|
|
|
* @props: the props to get the int value from
|
|
|
|
* @name: the name of the props entry to get.
|
|
|
|
*
|
|
|
|
* Get the named entry as an integer.
|
|
|
|
*
|
|
|
|
* Returns: the integer value of the named entry, 0 if not found.
|
|
|
|
*/
|
|
|
|
gint
|
|
|
|
gst_props_get_int (GstProps *props, const gchar *name)
|
|
|
|
{
|
|
|
|
GList *lentry;
|
|
|
|
GQuark quark;
|
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, 0);
|
|
|
|
g_return_val_if_fail (name != NULL, 0);
|
|
|
|
|
|
|
|
quark = g_quark_from_string (name);
|
|
|
|
|
|
|
|
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
|
|
|
|
|
|
|
|
if (lentry) {
|
|
|
|
GstPropsEntry *thisentry;
|
|
|
|
|
|
|
|
thisentry = (GstPropsEntry *)lentry->data;
|
|
|
|
|
|
|
|
return thisentry->data.int_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2001-05-24 00:46:45 +00:00
|
|
|
/**
|
|
|
|
* gst_props_get_float:
|
|
|
|
* @props: the props to get the float value from
|
|
|
|
* @name: the name of the props entry to get.
|
|
|
|
*
|
|
|
|
* Get the named entry as a float.
|
|
|
|
*
|
|
|
|
* Returns: the float value of the named entry, 0.0 if not found.
|
|
|
|
*/
|
|
|
|
gfloat
|
|
|
|
gst_props_get_float (GstProps *props, const gchar *name)
|
|
|
|
{
|
|
|
|
GList *lentry;
|
|
|
|
GQuark quark;
|
|
|
|
|
|
|
|
quark = g_quark_from_string (name);
|
|
|
|
|
|
|
|
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
|
|
|
|
|
|
|
|
if (lentry) {
|
|
|
|
GstPropsEntry *thisentry;
|
|
|
|
|
|
|
|
thisentry = (GstPropsEntry *)lentry->data;
|
|
|
|
|
|
|
|
return thisentry->data.float_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0.0F;
|
|
|
|
}
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
/**
|
|
|
|
* gst_props_get_fourcc_int:
|
|
|
|
* @props: the props to get the fourcc value from
|
|
|
|
* @name: the name of the props entry to get.
|
|
|
|
*
|
|
|
|
* Get the named entry as a gulong fourcc.
|
|
|
|
*
|
|
|
|
* Returns: the fourcc value of the named entry, 0 if not found.
|
|
|
|
*/
|
|
|
|
gulong
|
|
|
|
gst_props_get_fourcc_int (GstProps *props, const gchar *name)
|
|
|
|
{
|
|
|
|
GList *lentry;
|
|
|
|
GQuark quark;
|
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, 0);
|
|
|
|
g_return_val_if_fail (name != NULL, 0);
|
|
|
|
|
|
|
|
quark = g_quark_from_string (name);
|
|
|
|
|
|
|
|
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
|
|
|
|
|
|
|
|
if (lentry) {
|
|
|
|
GstPropsEntry *thisentry;
|
|
|
|
|
|
|
|
thisentry = (GstPropsEntry *)lentry->data;
|
|
|
|
|
|
|
|
return thisentry->data.fourcc_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* gst_props_get_boolean:
|
|
|
|
* @props: the props to get the fourcc value from
|
|
|
|
* @name: the name of the props entry to get.
|
|
|
|
*
|
|
|
|
* Get the named entry as a boolean value.
|
|
|
|
*
|
|
|
|
* Returns: the boolean value of the named entry, 0 if not found.
|
|
|
|
*/
|
|
|
|
gboolean
|
|
|
|
gst_props_get_boolean (GstProps *props, const gchar *name)
|
|
|
|
{
|
|
|
|
GList *lentry;
|
|
|
|
GQuark quark;
|
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (name != NULL, FALSE);
|
|
|
|
|
|
|
|
quark = g_quark_from_string (name);
|
|
|
|
|
|
|
|
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
|
|
|
|
|
|
|
|
if (lentry) {
|
|
|
|
GstPropsEntry *thisentry;
|
|
|
|
|
|
|
|
thisentry = (GstPropsEntry *)lentry->data;
|
|
|
|
|
|
|
|
return thisentry->data.bool_data;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* gst_props_get_string:
|
|
|
|
* @props: the props to get the fourcc value from
|
|
|
|
* @name: the name of the props entry to get.
|
|
|
|
*
|
|
|
|
* Get the named entry as a string value.
|
|
|
|
*
|
|
|
|
* Returns: the string value of the named entry, NULL if not found.
|
|
|
|
*/
|
|
|
|
const gchar*
|
|
|
|
gst_props_get_string (GstProps *props, const gchar *name)
|
|
|
|
{
|
|
|
|
GList *lentry;
|
|
|
|
GQuark quark;
|
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, NULL);
|
|
|
|
g_return_val_if_fail (name != NULL, NULL);
|
|
|
|
|
|
|
|
quark = g_quark_from_string (name);
|
|
|
|
|
|
|
|
lentry = g_list_find_custom (props->properties, GINT_TO_POINTER (quark), props_find_func);
|
|
|
|
|
|
|
|
if (lentry) {
|
|
|
|
GstPropsEntry *thisentry;
|
|
|
|
|
|
|
|
thisentry = (GstPropsEntry *)lentry->data;
|
|
|
|
|
|
|
|
return thisentry->data.string_data.string;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2000-12-28 21:42:23 +00:00
|
|
|
/**
|
|
|
|
* gst_props_merge:
|
|
|
|
* @props: the property to merge into
|
|
|
|
* @tomerge: the property to merge
|
|
|
|
*
|
2001-01-06 22:05:15 +00:00
|
|
|
* Merge the properties of tomerge into props.
|
2000-12-28 21:42:23 +00:00
|
|
|
*
|
2001-01-06 22:05:15 +00:00
|
|
|
* Returns: the new merged property
|
2000-12-28 21:42:23 +00:00
|
|
|
*/
|
2000-12-19 16:36:10 +00:00
|
|
|
GstProps*
|
|
|
|
gst_props_merge (GstProps *props, GstProps *tomerge)
|
|
|
|
{
|
2001-01-03 20:21:22 +00:00
|
|
|
GList *merge_props;
|
2000-12-19 16:36:10 +00:00
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, NULL);
|
|
|
|
g_return_val_if_fail (tomerge != NULL, NULL);
|
|
|
|
|
|
|
|
merge_props = tomerge->properties;
|
|
|
|
|
|
|
|
// FIXME do proper merging here...
|
|
|
|
while (merge_props) {
|
|
|
|
GstPropsEntry *entry = (GstPropsEntry *)merge_props->data;
|
|
|
|
|
2001-01-03 20:21:22 +00:00
|
|
|
props->properties = g_list_insert_sorted (props->properties, entry, props_compare_func);
|
2000-12-19 16:36:10 +00:00
|
|
|
|
2001-01-03 20:21:22 +00:00
|
|
|
merge_props = g_list_next (merge_props);
|
2000-12-19 16:36:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return props;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2000-12-07 18:37:56 +00:00
|
|
|
/* entry2 is always a list, entry1 never is */
|
|
|
|
static gboolean
|
|
|
|
gst_props_entry_check_list_compatibility (GstPropsEntry *entry1, GstPropsEntry *entry2)
|
|
|
|
{
|
|
|
|
GList *entrylist = entry2->data.list_data.entries;
|
|
|
|
gboolean found = FALSE;
|
|
|
|
|
|
|
|
while (entrylist && !found) {
|
|
|
|
GstPropsEntry *entry = (GstPropsEntry *) entrylist->data;
|
|
|
|
|
|
|
|
found |= gst_props_entry_check_compatibility (entry1, entry);
|
|
|
|
|
|
|
|
entrylist = g_list_next (entrylist);
|
|
|
|
}
|
|
|
|
|
|
|
|
return found;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_props_entry_check_compatibility (GstPropsEntry *entry1, GstPropsEntry *entry2)
|
|
|
|
{
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES,"compare: %s %s\n", g_quark_to_string (entry1->propid),
|
2000-12-07 18:37:56 +00:00
|
|
|
g_quark_to_string (entry2->propid));
|
|
|
|
switch (entry1->propstype) {
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
{
|
|
|
|
GList *entrylist = entry1->data.list_data.entries;
|
|
|
|
gboolean valid = TRUE; // innocent until proven guilty
|
|
|
|
|
|
|
|
while (entrylist && valid) {
|
|
|
|
GstPropsEntry *entry = (GstPropsEntry *) entrylist->data;
|
|
|
|
|
|
|
|
valid &= gst_props_entry_check_compatibility (entry, entry2);
|
|
|
|
|
|
|
|
entrylist = g_list_next (entrylist);
|
|
|
|
}
|
|
|
|
|
|
|
|
return valid;
|
|
|
|
}
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_RANGE_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
switch (entry2->propstype) {
|
|
|
|
// a - b <---> a - c
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_RANGE_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return (entry2->data.int_range_data.min <= entry1->data.int_range_data.min &&
|
|
|
|
entry2->data.int_range_data.max >= entry1->data.int_range_data.max);
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GST_PROPS_FLOAT_RANGE_ID:
|
|
|
|
switch (entry2->propstype) {
|
|
|
|
// a - b <---> a - c
|
|
|
|
case GST_PROPS_FLOAT_RANGE_ID:
|
|
|
|
return (entry2->data.float_range_data.min <= entry1->data.float_range_data.min &&
|
|
|
|
entry2->data.float_range_data.max >= entry1->data.float_range_data.max);
|
|
|
|
case GST_PROPS_LIST_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_FOURCC_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
switch (entry2->propstype) {
|
|
|
|
// b <---> a
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_FOURCC_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return (entry2->data.fourcc_data == entry1->data.fourcc_data);
|
|
|
|
// b <---> a,b,c
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
switch (entry2->propstype) {
|
|
|
|
// b <---> a - d
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_RANGE_ID:
|
2001-05-21 02:40:11 +00:00
|
|
|
GST_DEBUG(GST_CAT_PROPERTIES,"%d <= %d <= %d ?\n",entry2->data.int_range_data.min,
|
|
|
|
entry1->data.int_data,entry2->data.int_range_data.max);
|
2000-12-07 18:37:56 +00:00
|
|
|
return (entry2->data.int_range_data.min <= entry1->data.int_data &&
|
|
|
|
entry2->data.int_range_data.max >= entry1->data.int_data);
|
|
|
|
// b <---> a
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_ID:
|
2001-05-21 02:40:11 +00:00
|
|
|
GST_DEBUG(GST_CAT_PROPERTIES,"%d == %d ?\n",entry1->data.int_data,entry2->data.int_data);
|
2000-12-07 18:37:56 +00:00
|
|
|
return (entry2->data.int_data == entry1->data.int_data);
|
|
|
|
// b <---> a,b,c
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GST_PROPS_FLOAT_ID:
|
|
|
|
switch (entry2->propstype) {
|
|
|
|
// b <---> a - d
|
|
|
|
case GST_PROPS_FLOAT_RANGE_ID:
|
|
|
|
return (entry2->data.float_range_data.min <= entry1->data.float_data &&
|
|
|
|
entry2->data.float_range_data.max >= entry1->data.float_data);
|
|
|
|
// b <---> a
|
|
|
|
case GST_PROPS_FLOAT_ID:
|
|
|
|
return (entry2->data.float_data == entry1->data.float_data);
|
|
|
|
// b <---> a,b,c
|
|
|
|
case GST_PROPS_LIST_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_BOOL_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
switch (entry2->propstype) {
|
|
|
|
// t <---> t
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_BOOL_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return (entry2->data.bool_data == entry1->data.bool_data);
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
case GST_PROPS_STRING_ID:
|
|
|
|
switch (entry2->propstype) {
|
|
|
|
// t <---> t
|
|
|
|
case GST_PROPS_STRING_ID:
|
|
|
|
return (!strcmp (entry2->data.string_data.string, entry1->data.string_data.string));
|
|
|
|
case GST_PROPS_LIST_ID:
|
2000-12-07 18:37:56 +00:00
|
|
|
return gst_props_entry_check_list_compatibility (entry1, entry2);
|
|
|
|
default:
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* gst_props_check_compatibility:
|
2000-12-28 21:42:23 +00:00
|
|
|
* @fromprops: a property
|
|
|
|
* @toprops: a property
|
2000-12-07 18:37:56 +00:00
|
|
|
*
|
2001-01-06 22:05:15 +00:00
|
|
|
* Checks whether two capabilities are compatible.
|
2000-12-07 18:37:56 +00:00
|
|
|
*
|
2001-01-06 22:05:15 +00:00
|
|
|
* Returns: TRUE if compatible, FALSE otherwise
|
2000-12-07 18:37:56 +00:00
|
|
|
*/
|
|
|
|
gboolean
|
|
|
|
gst_props_check_compatibility (GstProps *fromprops, GstProps *toprops)
|
|
|
|
{
|
2001-01-03 20:21:22 +00:00
|
|
|
GList *sourcelist;
|
|
|
|
GList *sinklist;
|
2000-12-07 18:37:56 +00:00
|
|
|
gint missing = 0;
|
|
|
|
gint more = 0;
|
|
|
|
gboolean compatible = TRUE;
|
|
|
|
|
|
|
|
g_return_val_if_fail (fromprops != NULL, FALSE);
|
|
|
|
g_return_val_if_fail (toprops != NULL, FALSE);
|
|
|
|
|
|
|
|
sourcelist = fromprops->properties;
|
|
|
|
sinklist = toprops->properties;
|
|
|
|
|
|
|
|
while (sourcelist && sinklist && compatible) {
|
|
|
|
GstPropsEntry *entry1;
|
|
|
|
GstPropsEntry *entry2;
|
|
|
|
|
|
|
|
entry1 = (GstPropsEntry *)sourcelist->data;
|
|
|
|
entry2 = (GstPropsEntry *)sinklist->data;
|
|
|
|
|
|
|
|
while (entry1->propid < entry2->propid) {
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES,"source is more specific in \"%s\"\n", g_quark_to_string (entry1->propid));
|
2000-12-07 18:37:56 +00:00
|
|
|
more++;
|
2001-01-03 20:21:22 +00:00
|
|
|
sourcelist = g_list_next (sourcelist);
|
2000-12-07 18:37:56 +00:00
|
|
|
if (sourcelist) entry1 = (GstPropsEntry *)sourcelist->data;
|
|
|
|
else goto end;
|
|
|
|
}
|
|
|
|
while (entry1->propid > entry2->propid) {
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES,"source has missing property \"%s\"\n", g_quark_to_string (entry2->propid));
|
2000-12-07 18:37:56 +00:00
|
|
|
missing++;
|
2001-01-03 20:21:22 +00:00
|
|
|
sinklist = g_list_next (sinklist);
|
2000-12-07 18:37:56 +00:00
|
|
|
if (sinklist) entry2 = (GstPropsEntry *)sinklist->data;
|
|
|
|
else goto end;
|
|
|
|
}
|
|
|
|
|
2001-01-18 11:16:53 +00:00
|
|
|
if (!gst_props_entry_check_compatibility (entry1, entry2)) {
|
|
|
|
compatible = FALSE;
|
2001-05-06 22:12:46 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES, "%s are not compatible: \n",
|
2001-04-16 21:43:28 +00:00
|
|
|
g_quark_to_string (entry1->propid));
|
|
|
|
gst_props_debug_entry (entry1);
|
|
|
|
gst_props_debug_entry (entry2);
|
2001-01-18 11:16:53 +00:00
|
|
|
}
|
2000-12-07 18:37:56 +00:00
|
|
|
|
2001-01-03 20:21:22 +00:00
|
|
|
sourcelist = g_list_next (sourcelist);
|
|
|
|
sinklist = g_list_next (sinklist);
|
2000-12-07 18:37:56 +00:00
|
|
|
}
|
2001-01-18 11:16:53 +00:00
|
|
|
if (sinklist && compatible) {
|
2000-12-19 13:41:55 +00:00
|
|
|
GstPropsEntry *entry2;
|
|
|
|
entry2 = (GstPropsEntry *)sinklist->data;
|
|
|
|
missing++;
|
2001-04-28 18:59:03 +00:00
|
|
|
GST_DEBUG (GST_CAT_PROPERTIES,"source has missing property \"%s\"\n", g_quark_to_string (entry2->propid));
|
2000-12-19 13:41:55 +00:00
|
|
|
}
|
2000-12-07 18:37:56 +00:00
|
|
|
end:
|
|
|
|
|
|
|
|
if (missing)
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
return compatible;
|
|
|
|
}
|
|
|
|
|
2000-12-11 00:04:25 +00:00
|
|
|
static xmlNodePtr
|
|
|
|
gst_props_save_thyself_func (GstPropsEntry *entry, xmlNodePtr parent)
|
|
|
|
{
|
|
|
|
xmlNodePtr subtree;
|
2001-01-07 07:45:54 +00:00
|
|
|
gchar *str;
|
2000-12-11 00:04:25 +00:00
|
|
|
|
|
|
|
switch (entry->propstype) {
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_ID:
|
2000-12-11 00:04:25 +00:00
|
|
|
subtree = xmlNewChild (parent, NULL, "int", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
2001-01-07 07:45:54 +00:00
|
|
|
str = g_strdup_printf ("%d", entry->data.int_data);
|
|
|
|
xmlNewProp (subtree, "value", str);
|
|
|
|
g_free(str);
|
2000-12-11 00:04:25 +00:00
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_INT_RANGE_ID:
|
2000-12-11 00:04:25 +00:00
|
|
|
subtree = xmlNewChild (parent, NULL, "range", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
2001-01-07 07:45:54 +00:00
|
|
|
str = g_strdup_printf ("%d", entry->data.int_range_data.min);
|
|
|
|
xmlNewProp (subtree, "min", str);
|
|
|
|
g_free(str);
|
|
|
|
str = g_strdup_printf ("%d", entry->data.int_range_data.max);
|
|
|
|
xmlNewProp (subtree, "max", str);
|
|
|
|
g_free(str);
|
2000-12-11 00:04:25 +00:00
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_FLOAT_ID:
|
|
|
|
subtree = xmlNewChild (parent, NULL, "float", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
|
|
|
str = g_strdup_printf ("%f", entry->data.float_data);
|
|
|
|
xmlNewProp (subtree, "value", str);
|
|
|
|
g_free(str);
|
|
|
|
break;
|
|
|
|
case GST_PROPS_FLOAT_RANGE_ID:
|
|
|
|
subtree = xmlNewChild (parent, NULL, "floatrange", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
|
|
|
str = g_strdup_printf ("%f", entry->data.float_range_data.min);
|
|
|
|
xmlNewProp (subtree, "min", str);
|
|
|
|
g_free(str);
|
|
|
|
str = g_strdup_printf ("%f", entry->data.float_range_data.max);
|
|
|
|
xmlNewProp (subtree, "max", str);
|
|
|
|
g_free(str);
|
|
|
|
break;
|
|
|
|
case GST_PROPS_FOURCC_ID:
|
2001-01-07 07:45:54 +00:00
|
|
|
str = g_strdup_printf ("%4.4s", (gchar *)&entry->data.fourcc_data);
|
|
|
|
xmlAddChild (parent, xmlNewComment (str));
|
|
|
|
g_free(str);
|
2000-12-11 00:04:25 +00:00
|
|
|
subtree = xmlNewChild (parent, NULL, "fourcc", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
2001-01-07 07:45:54 +00:00
|
|
|
str = g_strdup_printf ("%08x", entry->data.fourcc_data);
|
|
|
|
xmlNewProp (subtree, "hexvalue", str);
|
|
|
|
g_free(str);
|
2000-12-11 00:04:25 +00:00
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_BOOL_ID:
|
2000-12-11 00:04:25 +00:00
|
|
|
subtree = xmlNewChild (parent, NULL, "boolean", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
|
|
|
xmlNewProp (subtree, "value", (entry->data.bool_data ? "true" : "false"));
|
|
|
|
break;
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_STRING_ID:
|
|
|
|
subtree = xmlNewChild (parent, NULL, "string", NULL);
|
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
|
|
|
xmlNewProp (subtree, "value", entry->data.string_data.string);
|
|
|
|
break;
|
2000-12-11 00:04:25 +00:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return parent;
|
|
|
|
}
|
|
|
|
|
2000-12-28 21:42:23 +00:00
|
|
|
/**
|
|
|
|
* gst_props_save_thyself:
|
|
|
|
* @props: a property to save
|
|
|
|
* @parent: the parent XML tree
|
|
|
|
*
|
2001-01-06 22:05:15 +00:00
|
|
|
* Saves the property into an XML representation.
|
2000-12-28 21:42:23 +00:00
|
|
|
*
|
|
|
|
* Returns: the new XML tree
|
|
|
|
*/
|
2000-12-11 00:04:25 +00:00
|
|
|
xmlNodePtr
|
|
|
|
gst_props_save_thyself (GstProps *props, xmlNodePtr parent)
|
|
|
|
{
|
2001-01-03 20:21:22 +00:00
|
|
|
GList *proplist;
|
2000-12-11 00:04:25 +00:00
|
|
|
xmlNodePtr subtree;
|
|
|
|
|
|
|
|
g_return_val_if_fail (props != NULL, NULL);
|
|
|
|
|
|
|
|
proplist = props->properties;
|
|
|
|
|
|
|
|
while (proplist) {
|
|
|
|
GstPropsEntry *entry = (GstPropsEntry *) proplist->data;
|
|
|
|
|
|
|
|
switch (entry->propstype) {
|
2001-04-16 21:43:28 +00:00
|
|
|
case GST_PROPS_LIST_ID:
|
2000-12-11 00:04:25 +00:00
|
|
|
subtree = xmlNewChild (parent, NULL, "list", NULL);
|
2000-12-16 17:12:28 +00:00
|
|
|
xmlNewProp (subtree, "name", g_quark_to_string (entry->propid));
|
2000-12-11 00:04:25 +00:00
|
|
|
g_list_foreach (entry->data.list_data.entries, (GFunc) gst_props_save_thyself_func, subtree);
|
|
|
|
default:
|
|
|
|
gst_props_save_thyself_func (entry, parent);
|
|
|
|
}
|
|
|
|
|
2001-01-03 20:21:22 +00:00
|
|
|
proplist = g_list_next (proplist);
|
2000-12-11 00:04:25 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return parent;
|
|
|
|
}
|
|
|
|
|
2000-12-16 17:12:28 +00:00
|
|
|
static GstPropsEntry*
|
|
|
|
gst_props_load_thyself_func (xmlNodePtr field)
|
|
|
|
{
|
|
|
|
GstPropsEntry *entry;
|
2001-01-07 07:45:54 +00:00
|
|
|
gchar *prop;
|
2000-12-16 17:12:28 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
entry = g_mem_chunk_alloc (_gst_props_entries_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
2000-12-16 17:12:28 +00:00
|
|
|
|
|
|
|
if (!strcmp(field->name, "int")) {
|
2001-04-16 21:43:28 +00:00
|
|
|
entry->propstype = GST_PROPS_INT_ID;
|
2001-01-07 07:45:54 +00:00
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp(field, "value");
|
|
|
|
sscanf (prop, "%d", &entry->data.int_data);
|
|
|
|
g_free (prop);
|
2000-12-16 17:12:28 +00:00
|
|
|
}
|
|
|
|
else if (!strcmp(field->name, "range")) {
|
2001-04-16 21:43:28 +00:00
|
|
|
entry->propstype = GST_PROPS_INT_RANGE_ID;
|
2001-01-07 07:45:54 +00:00
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp (field, "min");
|
|
|
|
sscanf (prop, "%d", &entry->data.int_range_data.min);
|
|
|
|
g_free (prop);
|
2001-04-16 21:43:28 +00:00
|
|
|
prop = xmlGetProp (field, "max");
|
2001-01-07 07:45:54 +00:00
|
|
|
sscanf (prop, "%d", &entry->data.int_range_data.max);
|
|
|
|
g_free (prop);
|
2000-12-16 17:12:28 +00:00
|
|
|
}
|
2001-04-16 21:43:28 +00:00
|
|
|
else if (!strcmp(field->name, "float")) {
|
|
|
|
entry->propstype = GST_PROPS_FLOAT_ID;
|
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp(field, "value");
|
|
|
|
sscanf (prop, "%f", &entry->data.float_data);
|
|
|
|
g_free (prop);
|
|
|
|
}
|
|
|
|
else if (!strcmp(field->name, "floatrange")) {
|
|
|
|
entry->propstype = GST_PROPS_FLOAT_RANGE_ID;
|
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp (field, "min");
|
|
|
|
sscanf (prop, "%f", &entry->data.float_range_data.min);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp (field, "max");
|
|
|
|
sscanf (prop, "%f", &entry->data.float_range_data.max);
|
|
|
|
g_free (prop);
|
|
|
|
}
|
2000-12-16 17:12:28 +00:00
|
|
|
else if (!strcmp(field->name, "boolean")) {
|
2001-04-16 21:43:28 +00:00
|
|
|
entry->propstype = GST_PROPS_BOOL_ID;
|
2001-01-07 07:45:54 +00:00
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp (field, "value");
|
|
|
|
if (!strcmp (prop, "false")) entry->data.bool_data = 0;
|
2000-12-16 17:12:28 +00:00
|
|
|
else entry->data.bool_data = 1;
|
2001-01-07 07:45:54 +00:00
|
|
|
g_free (prop);
|
2000-12-16 17:12:28 +00:00
|
|
|
}
|
|
|
|
else if (!strcmp(field->name, "fourcc")) {
|
2001-04-16 21:43:28 +00:00
|
|
|
entry->propstype = GST_PROPS_FOURCC_ID;
|
2001-01-07 07:45:54 +00:00
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
prop = xmlGetProp (field, "hexvalue");
|
|
|
|
sscanf (prop, "%08x", &entry->data.fourcc_data);
|
|
|
|
g_free (prop);
|
2000-12-16 17:12:28 +00:00
|
|
|
}
|
2001-04-16 21:43:28 +00:00
|
|
|
else if (!strcmp(field->name, "string")) {
|
|
|
|
entry->propstype = GST_PROPS_STRING_ID;
|
|
|
|
prop = xmlGetProp(field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
|
|
|
entry->data.string_data.string = xmlGetProp (field, "value");
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
g_mem_chunk_free (_gst_props_entries_chunk, entry);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
|
|
|
entry = NULL;
|
|
|
|
}
|
2000-12-16 17:12:28 +00:00
|
|
|
|
|
|
|
return entry;
|
|
|
|
}
|
|
|
|
|
2000-12-28 21:42:23 +00:00
|
|
|
/**
|
|
|
|
* gst_props_load_thyself:
|
|
|
|
* @parent: the XML tree to load from
|
|
|
|
*
|
2001-01-06 22:05:15 +00:00
|
|
|
* Creates a new property out of an XML tree.
|
2000-12-28 21:42:23 +00:00
|
|
|
*
|
|
|
|
* Returns: the new property
|
|
|
|
*/
|
2000-12-11 00:04:25 +00:00
|
|
|
GstProps*
|
|
|
|
gst_props_load_thyself (xmlNodePtr parent)
|
|
|
|
{
|
2001-04-16 21:43:28 +00:00
|
|
|
GstProps *props;
|
2001-01-18 11:16:53 +00:00
|
|
|
xmlNodePtr field = parent->xmlChildrenNode;
|
2001-01-07 07:45:54 +00:00
|
|
|
gchar *prop;
|
2000-12-16 17:12:28 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_mutex_lock (_gst_props_chunk_lock);
|
|
|
|
props = g_mem_chunk_alloc (_gst_props_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_chunk_lock);
|
|
|
|
|
|
|
|
props->properties = NULL;
|
|
|
|
props->refcount = 1;
|
|
|
|
|
2000-12-16 17:12:28 +00:00
|
|
|
while (field) {
|
|
|
|
if (!strcmp (field->name, "list")) {
|
|
|
|
GstPropsEntry *entry;
|
2001-01-18 11:16:53 +00:00
|
|
|
xmlNodePtr subfield = field->xmlChildrenNode;
|
2000-12-16 17:12:28 +00:00
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
g_mutex_lock (_gst_props_entries_chunk_lock);
|
|
|
|
entry = g_mem_chunk_alloc (_gst_props_entries_chunk);
|
|
|
|
g_mutex_unlock (_gst_props_entries_chunk_lock);
|
|
|
|
|
|
|
|
entry->propstype = GST_PROPS_LIST_ID;
|
|
|
|
entry->data.list_data.entries = NULL;
|
2001-01-07 07:45:54 +00:00
|
|
|
prop = xmlGetProp (field, "name");
|
|
|
|
entry->propid = g_quark_from_string (prop);
|
|
|
|
g_free (prop);
|
2000-12-16 17:12:28 +00:00
|
|
|
|
|
|
|
while (subfield) {
|
|
|
|
GstPropsEntry *subentry = gst_props_load_thyself_func (subfield);
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
if (subentry)
|
|
|
|
entry->data.list_data.entries = g_list_prepend (entry->data.list_data.entries, subentry);
|
2000-12-16 17:12:28 +00:00
|
|
|
|
|
|
|
subfield = subfield->next;
|
|
|
|
}
|
|
|
|
entry->data.list_data.entries = g_list_reverse (entry->data.list_data.entries);
|
2001-01-03 20:21:22 +00:00
|
|
|
props->properties = g_list_insert_sorted (props->properties, entry, props_compare_func);
|
2000-12-16 17:12:28 +00:00
|
|
|
}
|
|
|
|
else {
|
|
|
|
GstPropsEntry *entry;
|
|
|
|
|
|
|
|
entry = gst_props_load_thyself_func (field);
|
|
|
|
|
2001-04-16 21:43:28 +00:00
|
|
|
if (entry)
|
|
|
|
props->properties = g_list_insert_sorted (props->properties, entry, props_compare_func);
|
2000-12-16 17:12:28 +00:00
|
|
|
}
|
|
|
|
field = field->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
return props;
|
2000-12-11 00:04:25 +00:00
|
|
|
}
|