mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 17:20:36 +00:00
value: Add 64-bit bitmask type
This commit is contained in:
Sebastian Dröge
parent
abb23ce709
commit
4294b88e35
2 changed files with 270 additions and 4 deletions
249
gst/gstvalue.c
249
gst/gstvalue.c
|
|
@ -3831,9 +3831,11 @@ gst_value_register_subtract_func (GType minuend_type, GType subtrahend_type,
|
|||
{
|
||||
GstValueSubtractInfo info;
|
||||
|
||||
/* one type must be unfixed, other subtractions can be done as comparisons */
|
||||
g_return_if_fail (!gst_type_is_fixed (minuend_type)
|
||||
|| !gst_type_is_fixed (subtrahend_type));
|
||||
/* one type must be unfixed, other subtractions can be done as comparisons,
|
||||
* special case: bitmasks */
|
||||
if (minuend_type != GST_TYPE_BITMASK)
|
||||
g_return_if_fail (!gst_type_is_fixed (minuend_type)
|
||||
|| !gst_type_is_fixed (subtrahend_type));
|
||||
|
||||
info.minuend = minuend_type;
|
||||
info.subtrahend = subtrahend_type;
|
||||
|
|
@ -4647,6 +4649,207 @@ gst_value_transform_string_date (const GValue * src_value, GValue * dest_value)
|
|||
gst_value_deserialize_date (dest_value, src_value->data[0].v_pointer);
|
||||
}
|
||||
|
||||
|
||||
/************
|
||||
* bitmask *
|
||||
************/
|
||||
|
||||
/* helper functions */
|
||||
static void
|
||||
gst_value_init_bitmask (GValue * value)
|
||||
{
|
||||
value->data[0].v_uint64 = 0;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_value_copy_bitmask (const GValue * src_value, GValue * dest_value)
|
||||
{
|
||||
dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
gst_value_collect_bitmask (GValue * value, guint n_collect_values,
|
||||
GTypeCValue * collect_values, guint collect_flags)
|
||||
{
|
||||
if (n_collect_values != 1)
|
||||
return g_strdup_printf ("not enough value locations for `%s' passed",
|
||||
G_VALUE_TYPE_NAME (value));
|
||||
|
||||
gst_value_set_bitmask (value, (guint64) collect_values[0].v_int64);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
gst_value_lcopy_bitmask (const GValue * value, guint n_collect_values,
|
||||
GTypeCValue * collect_values, guint collect_flags)
|
||||
{
|
||||
guint64 *bitmask = collect_values[0].v_pointer;
|
||||
|
||||
if (!bitmask)
|
||||
return g_strdup_printf ("value for `%s' passed as NULL",
|
||||
G_VALUE_TYPE_NAME (value));
|
||||
|
||||
*bitmask = value->data[0].v_uint64;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_value_set_bitmask:
|
||||
* @value: a GValue initialized to #GST_TYPE_FRACTION
|
||||
* @bitmask: the bitmask
|
||||
*
|
||||
* Sets @value to the bitmask specified by @bitmask.
|
||||
*/
|
||||
void
|
||||
gst_value_set_bitmask (GValue * value, guint64 bitmask)
|
||||
{
|
||||
g_return_if_fail (GST_VALUE_HOLDS_BITMASK (value));
|
||||
|
||||
value->data[0].v_uint64 = bitmask;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_value_get_bitmask:
|
||||
* @value: a GValue initialized to #GST_TYPE_FRACTION
|
||||
*
|
||||
* Gets the bitmask specified by @value.
|
||||
*
|
||||
* Returns: the bitmask.
|
||||
*/
|
||||
guint64
|
||||
gst_value_get_bitmask (const GValue * value)
|
||||
{
|
||||
g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (value), 0);
|
||||
|
||||
return value->data[0].v_uint64;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
gst_value_serialize_bitmask (const GValue * value)
|
||||
{
|
||||
guint64 bitmask = value->data[0].v_uint64;
|
||||
|
||||
return g_strdup_printf ("0x%016" G_GINT64_MODIFIER "x", bitmask);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_value_deserialize_bitmask (GValue * dest, const gchar * s)
|
||||
{
|
||||
gchar *endptr = NULL;
|
||||
guint64 val;
|
||||
|
||||
if (G_UNLIKELY (s == NULL))
|
||||
return FALSE;
|
||||
|
||||
if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_BITMASK (dest)))
|
||||
return FALSE;
|
||||
|
||||
val = g_ascii_strtoull (s, &endptr, 16);
|
||||
if (val == G_MAXUINT64 && (errno == ERANGE || errno == EINVAL))
|
||||
return FALSE;
|
||||
if (val == 0 && endptr == s)
|
||||
return FALSE;
|
||||
|
||||
gst_value_set_bitmask (dest, val);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_value_transform_bitmask_string (const GValue * src_value,
|
||||
GValue * dest_value)
|
||||
{
|
||||
dest_value->data[0].v_pointer = gst_value_serialize_bitmask (src_value);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_value_transform_string_bitmask (const GValue * src_value,
|
||||
GValue * dest_value)
|
||||
{
|
||||
if (!gst_value_deserialize_bitmask (dest_value, src_value->data[0].v_pointer))
|
||||
gst_value_set_bitmask (dest_value, 0);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_value_transform_uint64_bitmask (const GValue * src_value,
|
||||
GValue * dest_value)
|
||||
{
|
||||
dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_value_transform_bitmask_uint64 (const GValue * src_value,
|
||||
GValue * dest_value)
|
||||
{
|
||||
dest_value->data[0].v_uint64 = src_value->data[0].v_uint64;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_value_intersect_bitmask_bitmask (GValue * dest, const GValue * src1,
|
||||
const GValue * src2)
|
||||
{
|
||||
guint64 s1, s2;
|
||||
|
||||
s1 = gst_value_get_bitmask (src1);
|
||||
s2 = gst_value_get_bitmask (src2);
|
||||
|
||||
g_value_init (dest, GST_TYPE_BITMASK);
|
||||
gst_value_set_bitmask (dest, s1 & s2);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_value_union_bitmask_bitmask (GValue * dest, const GValue * src1,
|
||||
const GValue * src2)
|
||||
{
|
||||
guint64 s1, s2;
|
||||
|
||||
s1 = gst_value_get_bitmask (src1);
|
||||
s2 = gst_value_get_bitmask (src2);
|
||||
|
||||
g_value_init (dest, GST_TYPE_BITMASK);
|
||||
gst_value_set_bitmask (dest, s1 | s2);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_value_subtract_bitmask_bitmask (GValue * dest,
|
||||
const GValue * minuend, const GValue * subtrahend)
|
||||
{
|
||||
guint64 m, s, r;
|
||||
|
||||
g_return_val_if_fail (dest != NULL, FALSE);
|
||||
g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (minuend), FALSE);
|
||||
g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (subtrahend), FALSE);
|
||||
|
||||
m = minuend->data[0].v_uint64;
|
||||
s = subtrahend->data[0].v_uint64;
|
||||
r = m & (~s);
|
||||
|
||||
g_value_init (dest, GST_TYPE_BITMASK);
|
||||
gst_value_set_bitmask (dest, r);
|
||||
|
||||
return (r != 0);
|
||||
}
|
||||
|
||||
static gint
|
||||
gst_value_compare_bitmask (const GValue * value1, const GValue * value2)
|
||||
{
|
||||
guint64 v1, v2;
|
||||
|
||||
v1 = value1->data[0].v_uint64;
|
||||
v2 = value2->data[0].v_uint64;
|
||||
|
||||
if (v1 == v2)
|
||||
return GST_VALUE_EQUAL;
|
||||
|
||||
return GST_VALUE_UNORDERED;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_value_transform_object_string (const GValue * src_value,
|
||||
GValue * dest_value)
|
||||
|
|
@ -4824,6 +5027,19 @@ gst_date_time_get_type (void)
|
|||
return gst_date_time_type;
|
||||
}
|
||||
|
||||
static const GTypeValueTable _gst_bitmask_value_table = {
|
||||
gst_value_init_bitmask,
|
||||
NULL,
|
||||
gst_value_copy_bitmask,
|
||||
NULL,
|
||||
(char *) "q",
|
||||
gst_value_collect_bitmask,
|
||||
(char *) "p",
|
||||
gst_value_lcopy_bitmask
|
||||
};
|
||||
|
||||
FUNC_VALUE_GET_TYPE (bitmask, "GstBitmask");
|
||||
|
||||
|
||||
void
|
||||
_priv_gst_value_initialize (void)
|
||||
|
|
@ -4988,6 +5204,18 @@ _priv_gst_value_initialize (void)
|
|||
gst_value_register (&gst_value);
|
||||
}
|
||||
|
||||
{
|
||||
static GstValueTable gst_value = {
|
||||
0,
|
||||
gst_value_compare_bitmask,
|
||||
gst_value_serialize_bitmask,
|
||||
gst_value_deserialize_bitmask,
|
||||
};
|
||||
|
||||
gst_value.type = gst_bitmask_get_type ();
|
||||
gst_value_register (&gst_value);
|
||||
}
|
||||
|
||||
REGISTER_SERIALIZATION (G_TYPE_DOUBLE, double);
|
||||
REGISTER_SERIALIZATION (G_TYPE_FLOAT, float);
|
||||
|
||||
|
|
@ -5038,6 +5266,14 @@ _priv_gst_value_initialize (void)
|
|||
gst_value_transform_string_date);
|
||||
g_value_register_transform_func (GST_TYPE_OBJECT, G_TYPE_STRING,
|
||||
gst_value_transform_object_string);
|
||||
g_value_register_transform_func (GST_TYPE_BITMASK, G_TYPE_UINT64,
|
||||
gst_value_transform_bitmask_uint64);
|
||||
g_value_register_transform_func (GST_TYPE_BITMASK, G_TYPE_STRING,
|
||||
gst_value_transform_bitmask_string);
|
||||
g_value_register_transform_func (G_TYPE_UINT64, GST_TYPE_BITMASK,
|
||||
gst_value_transform_uint64_bitmask);
|
||||
g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_BITMASK,
|
||||
gst_value_transform_string_bitmask);
|
||||
|
||||
gst_value_register_intersect_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
|
||||
gst_value_intersect_int_int_range);
|
||||
|
|
@ -5058,6 +5294,8 @@ _priv_gst_value_initialize (void)
|
|||
gst_value_register_intersect_func (GST_TYPE_FRACTION_RANGE,
|
||||
GST_TYPE_FRACTION_RANGE,
|
||||
gst_value_intersect_fraction_range_fraction_range);
|
||||
gst_value_register_intersect_func (GST_TYPE_BITMASK,
|
||||
GST_TYPE_BITMASK, gst_value_intersect_bitmask_bitmask);
|
||||
|
||||
gst_value_register_subtract_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
|
||||
gst_value_subtract_int_int_range);
|
||||
|
|
@ -5077,7 +5315,6 @@ _priv_gst_value_initialize (void)
|
|||
gst_value_subtract_double_range_double);
|
||||
gst_value_register_subtract_func (GST_TYPE_DOUBLE_RANGE,
|
||||
GST_TYPE_DOUBLE_RANGE, gst_value_subtract_double_range_double_range);
|
||||
|
||||
gst_value_register_subtract_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
|
||||
gst_value_subtract_fraction_fraction_range);
|
||||
gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE, GST_TYPE_FRACTION,
|
||||
|
|
@ -5085,6 +5322,8 @@ _priv_gst_value_initialize (void)
|
|||
gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE,
|
||||
GST_TYPE_FRACTION_RANGE,
|
||||
gst_value_subtract_fraction_range_fraction_range);
|
||||
gst_value_register_subtract_func (GST_TYPE_BITMASK,
|
||||
GST_TYPE_BITMASK, gst_value_subtract_bitmask_bitmask);
|
||||
|
||||
/* see bug #317246, #64994, #65041 */
|
||||
{
|
||||
|
|
@ -5097,6 +5336,8 @@ _priv_gst_value_initialize (void)
|
|||
gst_value_union_int_int_range);
|
||||
gst_value_register_union_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
|
||||
gst_value_union_int_range_int_range);
|
||||
gst_value_register_union_func (GST_TYPE_BITMASK,
|
||||
GST_TYPE_BITMASK, gst_value_union_bitmask_bitmask);
|
||||
|
||||
#if 0
|
||||
/* Implement these if needed */
|
||||
|
|
|
|||
|
|
@ -195,6 +195,14 @@ G_BEGIN_DECLS
|
|||
*/
|
||||
#define GST_VALUE_HOLDS_DATE_TIME(x) (G_VALUE_HOLDS((x), gst_date_time_get_type ()))
|
||||
|
||||
/**
|
||||
* GST_VALUE_HOLDS_BITMASK:
|
||||
* @x: the #GValue to check
|
||||
*
|
||||
* Checks if the given #GValue contains a #GST_TYPE_BITMASK value.
|
||||
*/
|
||||
#define GST_VALUE_HOLDS_BITMASK(x) (G_VALUE_HOLDS((x), gst_bitmask_get_type ()))
|
||||
|
||||
/**
|
||||
* GST_TYPE_INT_RANGE:
|
||||
*
|
||||
|
|
@ -292,6 +300,16 @@ G_BEGIN_DECLS
|
|||
|
||||
#define GST_TYPE_DATE_TIME gst_date_time_get_type ()
|
||||
|
||||
/**
|
||||
* GST_TYPE_BITMASK:
|
||||
*
|
||||
* a #GValue type that represents a 64-bit bitmask.
|
||||
*
|
||||
* Returns: the #GType of GstBitmask (which is not explicitly typed)
|
||||
*/
|
||||
|
||||
#define GST_TYPE_BITMASK gst_bitmask_get_type ()
|
||||
|
||||
/**
|
||||
* GST_VALUE_LESS_THAN:
|
||||
*
|
||||
|
|
@ -436,6 +454,7 @@ GType gst_fraction_range_get_type (void);
|
|||
GType gst_fraction_get_type (void);
|
||||
GType gst_value_list_get_type (void);
|
||||
GType gst_value_array_get_type (void);
|
||||
GType gst_bitmask_get_type (void);
|
||||
|
||||
GType gst_date_get_type (void);
|
||||
GType gst_date_time_get_type (void);
|
||||
|
|
@ -534,6 +553,12 @@ const GDate * gst_value_get_date (const GValue *value);
|
|||
void gst_value_set_date (GValue *value,
|
||||
const GDate *date);
|
||||
|
||||
|
||||
/* bitmask */
|
||||
guint64 gst_value_get_bitmask (const GValue *value);
|
||||
void gst_value_set_bitmask (GValue *value,
|
||||
guint64 bitmask);
|
||||
|
||||
/* compare */
|
||||
gint gst_value_compare (const GValue *value1,
|
||||
const GValue *value2);
|
||||
|
|
|
|||
Loading…
Reference in a new issue