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Rearrange lots of code. Change registration of compare function into registration of compare/serialize/deserialize f...

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Original commit message from CVS:
Rearrange lots of code.  Change registration of compare function
into registration of compare/serialize/deserialize functions.
This commit is contained in:
David Schleef 2003-12-23 20:58:05 +00:00
parent a95a3d2064
commit 63079b12bc
3 changed files with 583 additions and 269 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2003-12-23 David Schleef <ds@schleef.org>
* gst/gstvalue.c:
* gst/gstvalue.h:
Rearrange lots of code. Change registration of compare function
into registration of compare/serialize/deserialize functions.
Doesn't include implementation of gst_value_[de]serialize(),
but that should be easy.
2003-12-23 Thomas Vander Stichele <thomas at apestaart dot org> 2003-12-23 Thomas Vander Stichele <thomas at apestaart dot org>
* docs/gst/gstreamer-sections.txt: * docs/gst/gstreamer-sections.txt:

770
gst/gstvalue.c
View file

@ -25,11 +25,6 @@
#include <gst/gst.h> #include <gst/gst.h>
#include <gobject/gvaluecollector.h> #include <gobject/gvaluecollector.h>
typedef struct _GstValueCompareInfo GstValueCompareInfo;
struct _GstValueCompareInfo {
GType type;
GstValueCompareFunc func;
};
typedef struct _GstValueUnionInfo GstValueUnionInfo; typedef struct _GstValueUnionInfo GstValueUnionInfo;
struct _GstValueUnionInfo { struct _GstValueUnionInfo {
@ -50,10 +45,11 @@ GType gst_type_int_range;
GType gst_type_double_range; GType gst_type_double_range;
GType gst_type_list; GType gst_type_list;
GArray *gst_value_compare_funcs; static GArray *gst_value_table;
GArray *gst_value_union_funcs; static GArray *gst_value_union_funcs;
GArray *gst_value_intersect_funcs; static GArray *gst_value_intersect_funcs;
/*************************************/
/* list */ /* list */
static void static void
@ -136,6 +132,10 @@ gst_value_lcopy_list (const GValue *value, guint n_collect_values,
return NULL; return NULL;
} }
/**
* gst_value_list_prepend_value:
*
*/
void void
gst_value_list_prepend_value (GValue *value, const GValue *prepend_value) gst_value_list_prepend_value (GValue *value, const GValue *prepend_value)
{ {
@ -144,6 +144,10 @@ gst_value_list_prepend_value (GValue *value, const GValue *prepend_value)
g_array_prepend_vals ((GArray *) value->data[0].v_pointer, prepend_value, 1); g_array_prepend_vals ((GArray *) value->data[0].v_pointer, prepend_value, 1);
} }
/**
* gst_value_list_append_value:
*
*/
void void
gst_value_list_append_value (GValue *value, const GValue *append_value) gst_value_list_append_value (GValue *value, const GValue *append_value)
{ {
@ -152,6 +156,10 @@ gst_value_list_append_value (GValue *value, const GValue *append_value)
g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1); g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
} }
/**
* gst_value_list_get_size:
*
*/
guint guint
gst_value_list_get_size (const GValue *value) gst_value_list_get_size (const GValue *value)
{ {
@ -160,6 +168,10 @@ gst_value_list_get_size (const GValue *value)
return ((GArray *) value->data[0].v_pointer)->len; return ((GArray *) value->data[0].v_pointer)->len;
} }
/**
* gst_value_list_get_value:
*
*/
const GValue * const GValue *
gst_value_list_get_value (const GValue *value, guint index) gst_value_list_get_value (const GValue *value, guint index)
{ {
@ -215,6 +227,74 @@ gst_value_list_concat (GValue *dest, const GValue *value1, const GValue *value2)
} }
} }
static void
gst_value_transform_list_string (const GValue *src_value,
GValue *dest_value)
{
GValue *list_value;
GArray *array;
GString *s;
int i;
char *list_s;
array = src_value->data[0].v_pointer;
s = g_string_new("{ ");
for(i=0;i<array->len;i++){
list_value = &g_array_index(array, GValue, i);
if (i != 0) {
g_string_append (s, ", ");
}
list_s = g_strdup_value_contents (list_value);
g_string_append (s, list_s);
g_free (list_s);
}
g_string_append (s, " }");
dest_value->data[0].v_pointer = g_string_free (s, FALSE);
}
static int
gst_value_compare_list (const GValue *value1, const GValue *value2)
{
int i,j;
GArray *array1 = value1->data[0].v_pointer;
GArray *array2 = value2->data[0].v_pointer;
GValue *v1;
GValue *v2;
if (array1->len != array2->len) return GST_VALUE_UNORDERED;
for(i=0;i<array1->len;i++){
v1 = &g_array_index (array1, GValue, i);
for(j=0;j<array1->len;j++){
v2 = &g_array_index (array2, GValue, j);
if (gst_value_compare(v1, v2) == GST_VALUE_EQUAL) break;
}
if (j==array1->len) {
return GST_VALUE_UNORDERED;
}
}
return GST_VALUE_EQUAL;
}
static char *
gst_value_serialize_list (const GValue *value)
{
g_warning("unimplemented");
return NULL;
}
static gboolean
gst_value_deserialize_list (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* fourcc */ /* fourcc */
static void static void
@ -253,6 +333,10 @@ gst_value_lcopy_fourcc (const GValue *value, guint n_collect_values,
return NULL; return NULL;
} }
/**
* gst_value_set_fourcc:
*
*/
void void
gst_value_set_fourcc (GValue *value, guint32 fourcc) gst_value_set_fourcc (GValue *value, guint32 fourcc)
{ {
@ -261,6 +345,10 @@ gst_value_set_fourcc (GValue *value, guint32 fourcc)
value->data[0].v_int = fourcc; value->data[0].v_int = fourcc;
} }
/**
* gst_value_get_fourcc:
*
*/
guint32 guint32
gst_value_get_fourcc (const GValue *value) gst_value_get_fourcc (const GValue *value)
{ {
@ -269,6 +357,45 @@ gst_value_get_fourcc (const GValue *value)
return value->data[0].v_int; return value->data[0].v_int;
} }
static void
gst_value_transform_fourcc_string (const GValue *src_value,
GValue *dest_value)
{
guint32 fourcc = src_value->data[0].v_int;
if (g_ascii_isprint ((fourcc>>0) & 0xff) &&
g_ascii_isprint ((fourcc>>8) & 0xff) &&
g_ascii_isprint ((fourcc>>16) & 0xff) &&
g_ascii_isprint ((fourcc>>24) & 0xff)){
dest_value->data[0].v_pointer = g_strdup_printf(
GST_FOURCC_FORMAT, GST_FOURCC_ARGS(fourcc));
} else {
dest_value->data[0].v_pointer = g_strdup_printf("0x%08x", fourcc);
}
}
static int
gst_value_compare_fourcc (const GValue *value1, const GValue *value2)
{
if (value2->data[0].v_int == value1->data[0].v_int) return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
static char *
gst_value_serialize_fourcc (const GValue *value)
{
g_warning("unimplemented");
return NULL;
}
static gboolean
gst_value_deserialize_fourcc (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* int range */ /* int range */
static void static void
@ -316,6 +443,10 @@ gst_value_lcopy_int_range (const GValue *value, guint n_collect_values,
return NULL; return NULL;
} }
/**
* gst_value_set_int_range:
*
*/
void void
gst_value_set_int_range (GValue *value, int start, int end) gst_value_set_int_range (GValue *value, int start, int end)
{ {
@ -325,6 +456,10 @@ gst_value_set_int_range (GValue *value, int start, int end)
value->data[1].v_int = end; value->data[1].v_int = end;
} }
/**
* gst_value_get_int_range_min:
*
*/
int int
gst_value_get_int_range_min (const GValue *value) gst_value_get_int_range_min (const GValue *value)
{ {
@ -333,6 +468,10 @@ gst_value_get_int_range_min (const GValue *value)
return value->data[0].v_int; return value->data[0].v_int;
} }
/**
* gst_value_get_int_range_max:
*
*/
int int
gst_value_get_int_range_max (const GValue *value) gst_value_get_int_range_max (const GValue *value)
{ {
@ -341,6 +480,37 @@ gst_value_get_int_range_max (const GValue *value)
return value->data[1].v_int; return value->data[1].v_int;
} }
static void
gst_value_transform_int_range_string (const GValue *src_value,
GValue *dest_value)
{
dest_value->data[0].v_pointer = g_strdup_printf("[%d,%d]",
(int)src_value->data[0].v_int, (int)src_value->data[1].v_int);
}
static int
gst_value_compare_int_range (const GValue *value1, const GValue *value2)
{
if (value2->data[0].v_int == value1->data[0].v_int &&
value2->data[0].v_int == value1->data[0].v_int) return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
static char *
gst_value_serialize_int_range (const GValue *value)
{
g_warning("unimplemented");
return NULL;
}
static gboolean
gst_value_deserialize_int_range (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* double range */ /* double range */
static void static void
@ -387,6 +557,10 @@ gst_value_lcopy_double_range (const GValue *value, guint n_collect_values,
return NULL; return NULL;
} }
/**
* gst_value_set_double_range:
*
*/
void void
gst_value_set_double_range (GValue *value, double start, double end) gst_value_set_double_range (GValue *value, double start, double end)
{ {
@ -396,6 +570,10 @@ gst_value_set_double_range (GValue *value, double start, double end)
value->data[1].v_double = end; value->data[1].v_double = end;
} }
/**
* gst_value_get_double_range_min:
*
*/
double double
gst_value_get_double_range_min (const GValue *value) gst_value_get_double_range_min (const GValue *value)
{ {
@ -404,6 +582,10 @@ gst_value_get_double_range_min (const GValue *value)
return value->data[0].v_double; return value->data[0].v_double;
} }
/**
* gst_value_get_double_range_max:
*
*/
double double
gst_value_get_double_range_max (const GValue *value) gst_value_get_double_range_max (const GValue *value)
{ {
@ -412,51 +594,6 @@ gst_value_get_double_range_max (const GValue *value)
return value->data[1].v_double; return value->data[1].v_double;
} }
/* GstCaps */
void
gst_value_set_caps (GValue *value, const GstCaps *caps)
{
g_return_if_fail (GST_VALUE_HOLDS_CAPS (value));
value->data[0].v_pointer = gst_caps_copy (caps);
}
const GstCaps *
gst_value_get_caps (const GValue *value)
{
g_return_val_if_fail (GST_VALUE_HOLDS_CAPS (value), 0);
return value->data[0].v_pointer;
}
/* fourcc */
static void
gst_value_transform_fourcc_string (const GValue *src_value,
GValue *dest_value)
{
guint32 fourcc = src_value->data[0].v_int;
if (g_ascii_isprint ((fourcc>>0) & 0xff) &&
g_ascii_isprint ((fourcc>>8) & 0xff) &&
g_ascii_isprint ((fourcc>>16) & 0xff) &&
g_ascii_isprint ((fourcc>>24) & 0xff)){
dest_value->data[0].v_pointer = g_strdup_printf(
GST_FOURCC_FORMAT, GST_FOURCC_ARGS(fourcc));
} else {
dest_value->data[0].v_pointer = g_strdup_printf("0x%08x", fourcc);
}
}
static void
gst_value_transform_int_range_string (const GValue *src_value,
GValue *dest_value)
{
dest_value->data[0].v_pointer = g_strdup_printf("[%d,%d]",
(int)src_value->data[0].v_int, (int)src_value->data[1].v_int);
}
static void static void
gst_value_transform_double_range_string (const GValue *src_value, gst_value_transform_double_range_string (const GValue *src_value,
GValue *dest_value) GValue *dest_value)
@ -470,45 +607,84 @@ gst_value_transform_double_range_string (const GValue *src_value,
src_value->data[1].v_double)); src_value->data[1].v_double));
} }
static void static int
gst_value_transform_list_string (const GValue *src_value, gst_value_compare_double_range (const GValue *value1, const GValue *value2)
GValue *dest_value)
{ {
GValue *list_value; if (value2->data[0].v_double == value1->data[0].v_double &&
GArray *array; value2->data[0].v_double == value1->data[0].v_double)
GString *s; return GST_VALUE_EQUAL;
int i; return GST_VALUE_UNORDERED;
char *list_s;
array = src_value->data[0].v_pointer;
s = g_string_new("{ ");
for(i=0;i<array->len;i++){
list_value = &g_array_index(array, GValue, i);
if (i != 0) {
g_string_append (s, ", ");
}
list_s = g_strdup_value_contents (list_value);
g_string_append (s, list_s);
g_free (list_s);
}
g_string_append (s, " }");
dest_value->data[0].v_pointer = g_string_free (s, FALSE);
} }
/* comparison functions */ static char *
gst_value_serialize_double_range (const GValue *value)
{
g_warning("unimplemented");
return NULL;
}
static gboolean
gst_value_deserialize_double_range (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* GstCaps */
/**
* gst_value_set_caps:
*
*/
void
gst_value_set_caps (GValue *value, const GstCaps *caps)
{
g_return_if_fail (GST_VALUE_HOLDS_CAPS (value));
value->data[0].v_pointer = gst_caps_copy (caps);
}
/**
* gst_value_get_caps:
*
*/
const GstCaps *
gst_value_get_caps (const GValue *value)
{
g_return_val_if_fail (GST_VALUE_HOLDS_CAPS (value), 0);
return value->data[0].v_pointer;
}
/*************************************/
/* boolean */
static int static int
gst_value_compare_boolean (const GValue *value1, const GValue *value2) gst_value_compare_boolean (const GValue *value1, const GValue *value2)
{ {
/* FIXME: ds, can we assume that those values are only TRUE and FALSE? */ if ((value1->data[0].v_int!=0) == (value2->data[0].v_int!=0))
if (value1->data[0].v_int == value2->data[0].v_int)
return GST_VALUE_EQUAL; return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED; return GST_VALUE_UNORDERED;
} }
static char *
gst_value_serialize_boolean (const GValue *value)
{
g_warning("unimplemented");
return NULL;
}
static gboolean
gst_value_deserialize_boolean (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* int */
static int static int
gst_value_compare_int (const GValue *value1, const GValue *value2) gst_value_compare_int (const GValue *value1, const GValue *value2)
{ {
@ -519,6 +695,23 @@ gst_value_compare_int (const GValue *value1, const GValue *value2)
return GST_VALUE_EQUAL; return GST_VALUE_EQUAL;
} }
static char *
gst_value_serialize_int (const GValue *value)
{
g_warning("unimplemented");
return NULL;
}
static gboolean
gst_value_deserialize_int (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* double */
static int static int
gst_value_compare_double (const GValue *value1, const GValue *value2) gst_value_compare_double (const GValue *value1, const GValue *value2)
{ {
@ -531,18 +724,23 @@ gst_value_compare_double (const GValue *value1, const GValue *value2)
return GST_VALUE_UNORDERED; return GST_VALUE_UNORDERED;
} }
static int static char *
gst_value_compare_float (const GValue *value1, const GValue *value2) gst_value_serialize_double (const GValue *value)
{ {
if (value1->data[0].v_float > value2->data[0].v_float) g_warning("unimplemented");
return GST_VALUE_GREATER_THAN; return NULL;
if (value1->data[0].v_float < value2->data[0].v_float)
return GST_VALUE_LESS_THAN;
if (value1->data[0].v_float == value2->data[0].v_float)
return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
} }
static gboolean
gst_value_deserialize_double (GValue *dest, const char *s)
{
g_warning("unimplemented");
return FALSE;
}
/*************************************/
/* string */
static int static int
gst_value_compare_string (const GValue *value1, const GValue *value2) gst_value_compare_string (const GValue *value1, const GValue *value2)
{ {
@ -552,150 +750,24 @@ gst_value_compare_string (const GValue *value1, const GValue *value2)
return GST_VALUE_EQUAL; return GST_VALUE_EQUAL;
} }
static int static char *
gst_value_compare_fourcc (const GValue *value1, const GValue *value2) gst_value_serialize_string (const GValue *value)
{ {
if (value2->data[0].v_int == value1->data[0].v_int) return GST_VALUE_EQUAL; g_warning("unimplemented");
return GST_VALUE_UNORDERED; return NULL;
} }
static int static gboolean
gst_value_compare_int_range (const GValue *value1, const GValue *value2) gst_value_deserialize_string (GValue *dest, const char *s)
{ {
if (value2->data[0].v_int == value1->data[0].v_int && g_warning("unimplemented");
value2->data[0].v_int == value1->data[0].v_int) return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
static int
gst_value_compare_double_range (const GValue *value1, const GValue *value2)
{
if (value2->data[0].v_double == value1->data[0].v_double &&
value2->data[0].v_double == value1->data[0].v_double)
return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
static int
gst_value_compare_list (const GValue *value1, const GValue *value2)
{
int i,j;
GArray *array1 = value1->data[0].v_pointer;
GArray *array2 = value2->data[0].v_pointer;
GValue *v1;
GValue *v2;
if (array1->len != array2->len) return GST_VALUE_UNORDERED;
for(i=0;i<array1->len;i++){
v1 = &g_array_index (array1, GValue, i);
for(j=0;j<array1->len;j++){
v2 = &g_array_index (array2, GValue, j);
if (gst_value_compare(v1, v2) == GST_VALUE_EQUAL) break;
}
if (j==array1->len) {
return GST_VALUE_UNORDERED;
}
}
return GST_VALUE_EQUAL;
}
gboolean
gst_value_can_compare (const GValue *value1, const GValue *value2)
{
GstValueCompareInfo *compare_info;
int i;
if(G_VALUE_TYPE(value1) != G_VALUE_TYPE(value2))return FALSE;
for(i=0;i<gst_value_compare_funcs->len;i++){
compare_info = &g_array_index(gst_value_compare_funcs,
GstValueCompareInfo, i);
if(compare_info->type == G_VALUE_TYPE(value1)) return TRUE;
}
return FALSE; return FALSE;
} }
int /*************************************/
gst_value_compare (const GValue *value1, const GValue *value2) /* unions */
{
GstValueCompareInfo *compare_info;
int i;
if (G_VALUE_TYPE(value1) != G_VALUE_TYPE(value2)) return GST_VALUE_UNORDERED;
for(i=0;i<gst_value_compare_funcs->len;i++){
compare_info = &g_array_index(gst_value_compare_funcs,
GstValueCompareInfo, i);
if(compare_info->type != G_VALUE_TYPE(value1)) continue;
return compare_info->func(value1, value2);
}
g_critical("unable to compare values of type %s\n",
g_type_name (G_VALUE_TYPE (value1)));
return GST_VALUE_UNORDERED;
}
void
gst_value_register_compare_func (GType type, GstValueCompareFunc func)
{
GstValueCompareInfo compare_info;
compare_info.type = type;
compare_info.func = func;
g_array_append_val(gst_value_compare_funcs, compare_info);
}
/* union */
gboolean
gst_value_can_union (const GValue *value1, const GValue *value2)
{
GstValueUnionInfo *union_info;
int i;
for(i=0;i<gst_value_union_funcs->len;i++){
union_info = &g_array_index(gst_value_union_funcs, GstValueUnionInfo, i);
if(union_info->type1 == G_VALUE_TYPE(value1) &&
union_info->type2 == G_VALUE_TYPE(value2)) return TRUE;
}
return FALSE;
}
gboolean
gst_value_union (GValue *dest, const GValue *value1, const GValue *value2)
{
GstValueUnionInfo *union_info;
int i;
for(i=0;i<gst_value_union_funcs->len;i++){
union_info = &g_array_index(gst_value_union_funcs, GstValueUnionInfo, i);
if(union_info->type1 == G_VALUE_TYPE(value1) &&
union_info->type2 == G_VALUE_TYPE(value2)) {
return union_info->func(dest, value1, value2);
}
}
gst_value_list_concat (dest, value1, value2);
return TRUE;
}
void
gst_value_register_union_func (GType type1, GType type2, GstValueUnionFunc func)
{
GstValueUnionInfo union_info;
union_info.type1 = type1;
union_info.type2 = type2;
union_info.func = func;
g_array_append_val(gst_value_union_funcs, union_info);
}
/*************************************/
/* intersection */ /* intersection */
static gboolean static gboolean
@ -818,6 +890,119 @@ gst_value_intersect_list (GValue *dest, const GValue *value1, const GValue *valu
return ret; return ret;
} }
/*************************************/
/**
* gst_value_can_compare:
*
*/
gboolean
gst_value_can_compare (const GValue *value1, const GValue *value2)
{
GstValueTable *table;
int i;
if(G_VALUE_TYPE(value1) != G_VALUE_TYPE(value2))return FALSE;
for(i=0;i<gst_value_table->len;i++){
table = &g_array_index(gst_value_table, GstValueTable, i);
if(table->type == G_VALUE_TYPE(value1) &&
table->compare) return TRUE;
}
return FALSE;
}
/**
* gst_value_compare:
*
*/
int
gst_value_compare (const GValue *value1, const GValue *value2)
{
GstValueTable *table;
int i;
if (G_VALUE_TYPE(value1) != G_VALUE_TYPE(value2)) return GST_VALUE_UNORDERED;
for(i=0;i<gst_value_table->len;i++){
table = &g_array_index(gst_value_table, GstValueTable, i);
if(table->type != G_VALUE_TYPE(value1) ||
table->compare == NULL) continue;
return table->compare(value1, value2);
}
g_critical("unable to compare values of type %s\n",
g_type_name (G_VALUE_TYPE (value1)));
return GST_VALUE_UNORDERED;
}
/* union */
/**
* gst_value_can_union:
*
*/
gboolean
gst_value_can_union (const GValue *value1, const GValue *value2)
{
GstValueUnionInfo *union_info;
int i;
for(i=0;i<gst_value_union_funcs->len;i++){
union_info = &g_array_index(gst_value_union_funcs, GstValueUnionInfo, i);
if(union_info->type1 == G_VALUE_TYPE(value1) &&
union_info->type2 == G_VALUE_TYPE(value2)) return TRUE;
}
return FALSE;
}
/**
* gst_value_union:
*
*/
gboolean
gst_value_union (GValue *dest, const GValue *value1, const GValue *value2)
{
GstValueUnionInfo *union_info;
int i;
for(i=0;i<gst_value_union_funcs->len;i++){
union_info = &g_array_index(gst_value_union_funcs, GstValueUnionInfo, i);
if(union_info->type1 == G_VALUE_TYPE(value1) &&
union_info->type2 == G_VALUE_TYPE(value2)) {
return union_info->func(dest, value1, value2);
}
}
gst_value_list_concat (dest, value1, value2);
return TRUE;
}
/**
* gst_value_register_union_func:
*
*/
void
gst_value_register_union_func (GType type1, GType type2, GstValueUnionFunc func)
{
GstValueUnionInfo union_info;
union_info.type1 = type1;
union_info.type2 = type2;
union_info.func = func;
g_array_append_val(gst_value_union_funcs, union_info);
}
/* intersection */
/**
* gst_value_can_intersect:
*
*/
gboolean gboolean
gst_value_can_intersect (const GValue *value1, const GValue *value2) gst_value_can_intersect (const GValue *value1, const GValue *value2)
{ {
@ -839,6 +1024,10 @@ gst_value_can_intersect (const GValue *value1, const GValue *value2)
return gst_value_can_compare (value1, value2); return gst_value_can_compare (value1, value2);
} }
/**
* gst_value_intersect:
*
*/
gboolean gboolean
gst_value_intersect (GValue *dest, const GValue *value1, const GValue *value2) gst_value_intersect (GValue *dest, const GValue *value1, const GValue *value2)
{ {
@ -875,13 +1064,10 @@ gst_value_intersect (GValue *dest, const GValue *value1, const GValue *value2)
return ret; return ret;
} }
void /**
gst_value_init_and_copy (GValue *dest, const GValue *src) * gst_value_register_intersection_func:
{ *
g_value_init (dest, G_VALUE_TYPE(src)); */
g_value_copy (src, dest);
}
void void
gst_value_register_intersect_func (GType type1, GType type2, gst_value_register_intersect_func (GType type1, GType type2,
GstValueIntersectFunc func) GstValueIntersectFunc func)
@ -895,6 +1081,27 @@ gst_value_register_intersect_func (GType type1, GType type2,
g_array_append_val(gst_value_intersect_funcs, intersect_info); g_array_append_val(gst_value_intersect_funcs, intersect_info);
} }
/**
* gst_value_register:
*
*/
void
gst_value_register (const GstValueTable *table)
{
g_array_append_val(gst_value_table, *table);
}
/**
* gst_value_init_and_copy:
*
*/
void
gst_value_init_and_copy (GValue *dest, const GValue *src)
{
g_value_init (dest, G_VALUE_TYPE(src));
g_value_copy (src, dest);
}
void void
_gst_value_initialize (void) _gst_value_initialize (void)
{ {
@ -912,6 +1119,12 @@ _gst_value_initialize (void)
}; };
//const GTypeFundamentalInfo finfo = { G_TYPE_FLAG_DERIVABLE, }; //const GTypeFundamentalInfo finfo = { G_TYPE_FLAG_DERIVABLE, };
gst_value_table = g_array_new(FALSE, FALSE, sizeof(GstValueTable));
gst_value_union_funcs = g_array_new(FALSE, FALSE,
sizeof(GstValueUnionInfo));
gst_value_intersect_funcs = g_array_new(FALSE, FALSE,
sizeof(GstValueIntersectInfo));
{ {
static const GTypeValueTable value_table = { static const GTypeValueTable value_table = {
gst_value_init_fourcc, gst_value_init_fourcc,
@ -923,8 +1136,16 @@ _gst_value_initialize (void)
"p", "p",
gst_value_lcopy_fourcc gst_value_lcopy_fourcc
}; };
static GstValueTable gst_value = {
0,
gst_value_compare_fourcc,
gst_value_serialize_fourcc,
gst_value_deserialize_fourcc,
};
info.value_table = &value_table; info.value_table = &value_table;
gst_type_fourcc = g_type_register_static (G_TYPE_BOXED, "GstFourcc", &info, 0); gst_type_fourcc = g_type_register_static (G_TYPE_BOXED, "GstFourcc", &info, 0);
gst_value.type = gst_type_int_range;
gst_value_register (&gst_value);
} }
{ {
@ -938,8 +1159,16 @@ _gst_value_initialize (void)
"pp", "pp",
gst_value_lcopy_int_range gst_value_lcopy_int_range
}; };
static GstValueTable gst_value = {
0,
gst_value_compare_int_range,
gst_value_serialize_int_range,
gst_value_deserialize_int_range,
};
info.value_table = &value_table; info.value_table = &value_table;
gst_type_int_range = g_type_register_static (G_TYPE_BOXED, "GstIntRange", &info, 0); gst_type_int_range = g_type_register_static (G_TYPE_BOXED, "GstIntRange", &info, 0);
gst_value.type = gst_type_int_range;
gst_value_register (&gst_value);
} }
{ {
@ -953,8 +1182,16 @@ _gst_value_initialize (void)
"pp", "pp",
gst_value_lcopy_double_range gst_value_lcopy_double_range
}; };
static GstValueTable gst_value = {
0,
gst_value_compare_double_range,
gst_value_serialize_double_range,
gst_value_deserialize_double_range,
};
info.value_table = &value_table; info.value_table = &value_table;
gst_type_double_range = g_type_register_static (G_TYPE_BOXED, "GstDoubleRange", &info, 0); gst_type_double_range = g_type_register_static (G_TYPE_BOXED, "GstDoubleRange", &info, 0);
gst_value.type = gst_type_double_range;
gst_value_register (&gst_value);
} }
{ {
@ -968,8 +1205,56 @@ _gst_value_initialize (void)
"p", "p",
gst_value_lcopy_list gst_value_lcopy_list
}; };
static GstValueTable gst_value = {
0,
gst_value_compare_list,
gst_value_serialize_list,
gst_value_deserialize_list,
};
info.value_table = &value_table; info.value_table = &value_table;
gst_type_list = g_type_register_static (G_TYPE_BOXED, "GstValueList", &info, 0); gst_type_list = g_type_register_static (G_TYPE_BOXED, "GstValueList", &info, 0);
gst_value.type = gst_type_double_range;
gst_value_register (&gst_value);
}
{
static const GstValueTable gst_value = {
G_TYPE_INT,
gst_value_compare_int,
gst_value_serialize_int,
gst_value_deserialize_int,
};
gst_value_register (&gst_value);
}
{
static const GstValueTable gst_value = {
G_TYPE_DOUBLE,
gst_value_compare_double,
gst_value_serialize_double,
gst_value_deserialize_double,
};
gst_value_register (&gst_value);
}
{
static const GstValueTable gst_value = {
G_TYPE_STRING,
gst_value_compare_string,
gst_value_serialize_string,
gst_value_deserialize_string,
};
gst_value_register (&gst_value);
}
{
static const GstValueTable gst_value = {
G_TYPE_BOOLEAN,
gst_value_compare_boolean,
gst_value_serialize_boolean,
gst_value_deserialize_boolean,
};
gst_value_register (&gst_value);
} }
g_value_register_transform_func (GST_TYPE_FOURCC, G_TYPE_STRING, g_value_register_transform_func (GST_TYPE_FOURCC, G_TYPE_STRING,
@ -981,25 +1266,6 @@ _gst_value_initialize (void)
g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_STRING, g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_STRING,
gst_value_transform_list_string); gst_value_transform_list_string);
gst_value_compare_funcs = g_array_new(FALSE, FALSE,
sizeof(GstValueCompareInfo));
gst_value_register_compare_func (G_TYPE_BOOLEAN, gst_value_compare_boolean);
gst_value_register_compare_func (G_TYPE_INT, gst_value_compare_int);
gst_value_register_compare_func (G_TYPE_FLOAT, gst_value_compare_float);
gst_value_register_compare_func (G_TYPE_DOUBLE, gst_value_compare_double);
gst_value_register_compare_func (G_TYPE_STRING, gst_value_compare_string);
gst_value_register_compare_func (GST_TYPE_FOURCC, gst_value_compare_fourcc);
gst_value_register_compare_func (GST_TYPE_INT_RANGE, gst_value_compare_int_range);
gst_value_register_compare_func (GST_TYPE_DOUBLE_RANGE, gst_value_compare_double_range);
gst_value_register_compare_func (GST_TYPE_LIST, gst_value_compare_list);
gst_value_union_funcs = g_array_new(FALSE, FALSE,
sizeof(GstValueUnionInfo));
gst_value_intersect_funcs = g_array_new(FALSE, FALSE,
sizeof(GstValueIntersectInfo));
gst_value_register_intersect_func (G_TYPE_INT, GST_TYPE_INT_RANGE, gst_value_register_intersect_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
gst_value_intersect_int_int_range); gst_value_intersect_int_int_range);
gst_value_register_intersect_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE, gst_value_register_intersect_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,

73
gst/gstvalue.h
View file

@ -27,11 +27,24 @@ G_BEGIN_DECLS
typedef int (* GstValueCompareFunc) (const GValue *value1, typedef int (* GstValueCompareFunc) (const GValue *value1,
const GValue *value2); const GValue *value2);
typedef char * (* GstValueSerializeFunc) (const GValue *value1);
typedef gboolean (* GstValueDeserializeFunc) (GValue *dest, const char *s);
typedef int (* GstValueUnionFunc) (GValue *dest, const GValue *value1, typedef int (* GstValueUnionFunc) (GValue *dest, const GValue *value1,
const GValue *value2); const GValue *value2);
typedef int (* GstValueIntersectFunc) (GValue *dest, const GValue *value1, typedef int (* GstValueIntersectFunc) (GValue *dest, const GValue *value1,
const GValue *value2); const GValue *value2);
typedef struct _GstValueTable GstValueTable;
struct _GstValueTable {
GType type;
GstValueCompareFunc compare;
GstValueSerializeFunc serialize;
GstValueDeserializeFunc unserialize;
void *_gst_paddding [GST_PADDING];
};
#define GST_MAKE_FOURCC(a,b,c,d) (guint32)((a)|(b)<<8|(c)<<16|(d)<<24) #define GST_MAKE_FOURCC(a,b,c,d) (guint32)((a)|(b)<<8|(c)<<16|(d)<<24)
#define GST_STR_FOURCC(f) (guint32)(((f)[0])|((f)[1]<<8)|((f)[2]<<16)|((f)[3]<<24)) #define GST_STR_FOURCC(f) (guint32)(((f)[0])|((f)[1]<<8)|((f)[2]<<16)|((f)[3]<<24))
@ -63,19 +76,7 @@ extern GType gst_type_int_range;
extern GType gst_type_double_range; extern GType gst_type_double_range;
extern GType gst_type_list; extern GType gst_type_list;
void gst_value_set_fourcc (GValue *value, guint32 fourcc); /* list */
guint32 gst_value_get_fourcc (const GValue *value);
void gst_value_set_int_range (GValue *value, int start, int end);
int gst_value_get_int_range_min (const GValue *value);
int gst_value_get_int_range_max (const GValue *value);
void gst_value_set_double_range (GValue *value, double start, double end);
double gst_value_get_double_range_min (const GValue *value);
double gst_value_get_double_range_max (const GValue *value);
G_CONST_RETURN GstCaps *gst_value_get_caps (const GValue *value);
void gst_value_set_caps (GValue *calue, const GstCaps *caps);
void gst_value_list_prepend_value (GValue *value, const GValue *prepend_value); void gst_value_list_prepend_value (GValue *value, const GValue *prepend_value);
void gst_value_list_append_value (GValue *value, const GValue *append_value); void gst_value_list_append_value (GValue *value, const GValue *append_value);
@ -83,12 +84,50 @@ guint gst_value_list_get_size (const GValue *value);
G_CONST_RETURN GValue *gst_value_list_get_value (const GValue *value, guint index); G_CONST_RETURN GValue *gst_value_list_get_value (const GValue *value, guint index);
void gst_value_list_concat (GValue *dest, const GValue *value1, const GValue *value2); void gst_value_list_concat (GValue *dest, const GValue *value1, const GValue *value2);
void _gst_value_initialize (void); /* fourcc */
void gst_value_set_fourcc (GValue *value, guint32 fourcc);
guint32 gst_value_get_fourcc (const GValue *value);
/* int range */
void gst_value_set_int_range (GValue *value, int start, int end);
int gst_value_get_int_range_min (const GValue *value);
int gst_value_get_int_range_max (const GValue *value);
/* double range */
void gst_value_set_double_range (GValue *value, double start, double end);
double gst_value_get_double_range_min (const GValue *value);
double gst_value_get_double_range_max (const GValue *value);
/* caps */
G_CONST_RETURN GstCaps *gst_value_get_caps (const GValue *value);
void gst_value_set_caps (GValue *calue, const GstCaps *caps);
/* compare */
gboolean gst_value_can_compare (const GValue *value1, const GValue *value2);
int gst_value_compare (const GValue *value1, const GValue *value2);
/* union */
gboolean gst_value_can_union (const GValue *value1, const GValue *value2);
gboolean gst_value_union (GValue *dest, const GValue *value1, const GValue *value2);
void gst_value_register_union_func (GType type1, GType type2, GstValueUnionFunc func);
/* intersection */
gboolean gst_value_can_intersect (const GValue *value1, const GValue *value2);
gboolean gst_value_intersect (GValue *dest, const GValue *value1, const GValue *value2);
void gst_value_register_intersect_func (GType type1, GType type2, GstValueIntersectFunc func);
/* */
void gst_value_register (const GstValueTable *table);
void gst_value_init_and_copy (GValue *dest, const GValue *src); void gst_value_init_and_copy (GValue *dest, const GValue *src);
int gst_value_compare (const GValue *src1, const GValue *src2); void _gst_value_initialize (void);
gboolean gst_value_intersect (GValue *dest, const GValue *src1, const GValue *src2);
gboolean gst_value_union (GValue *dest, const GValue *src1, const GValue *src2);
G_END_DECLS G_END_DECLS