/**
* SECTION:gstvalue
+ * @title: GstValue
* @short_description: GValue implementations specific
* to GStreamer
*
* undefined behaviour.
*/
+/* Suppress warnings for GValueAraray */
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
static void gst_value_register_subtract_func (GType minuend_type,
GType subtrahend_type, GstValueSubtractFunc func);
+static gboolean _priv_gst_value_parse_list (gchar * s, gchar ** after,
+ GValue * value, GType type);
+static gboolean _priv_gst_value_parse_array (gchar * s, gchar ** after,
+ GValue * value, GType type);
+
typedef struct _GstValueUnionInfo GstValueUnionInfo;
struct _GstValueUnionInfo
{
GstValueSubtractFunc func;
};
+struct _GstFlagSetClass
+{
+ GTypeClass parent;
+ GType flags_type; /* Type of the GFlags this flagset carries (can be 0) */
+};
+
+typedef struct _GstFlagSetClass GstFlagSetClass;
+
+typedef struct _GstValueAbbreviation GstValueAbbreviation;
+
+struct _GstValueAbbreviation
+{
+ const gchar *type_name;
+ GType type;
+};
+
#define FUNDAMENTAL_TYPE_ID_MAX \
(G_TYPE_FUNDAMENTAL_MAX >> G_TYPE_FUNDAMENTAL_SHIFT)
#define FUNDAMENTAL_TYPE_ID(type) \
const GValue * value2, GstValueCompareFunc compare);
static gchar *gst_string_wrap (const gchar * s);
-static gchar *gst_string_take_and_wrap (gchar * s);
static gchar *gst_string_unwrap (const gchar * s);
static void gst_value_move (GValue * dest, GValue * src);
/* two helper functions to serialize/stringify any type of list
* regular lists are done with { }, arrays with < >
*/
-static gchar *
-gst_value_serialize_any_list (const GValue * value, const gchar * begin,
- const gchar * end)
+gchar *
+_priv_gst_value_serialize_any_list (const GValue * value, const gchar * begin,
+ const gchar * end, gboolean print_type)
{
guint i;
GArray *array = value->data[0].v_pointer;
v = &g_array_index (array, GValue, i);
s_val = gst_value_serialize (v);
if (s_val != NULL) {
+ if (print_type) {
+ g_string_append_c (s, '(');
+ g_string_append (s, _priv_gst_value_gtype_to_abbr (G_VALUE_TYPE (v)));
+ g_string_append_c (s, ')');
+ }
g_string_append (s, s_val);
g_free (s_val);
if (i < alen - 1) {
dest_value->data[0].v_pointer = g_string_free (s, FALSE);
}
+static gchar *
+_gst_value_serialize_g_value_array (const GValue * value, const gchar * begin,
+ const gchar * end)
+{
+ guint i;
+ GValueArray *array = value->data[0].v_pointer;
+ GString *s;
+ GValue *v;
+ gchar *s_val;
+ guint alen = 0;
+
+ if (array)
+ alen = array->n_values;
+
+ /* estimate minimum string length to minimise re-allocs in GString */
+ s = g_string_sized_new (2 + (6 * alen) + 2);
+ g_string_append (s, begin);
+ for (i = 0; i < alen; i++) {
+ v = g_value_array_get_nth (array, i);
+ s_val = gst_value_serialize (v);
+ if (s_val != NULL) {
+ g_string_append (s, s_val);
+ g_free (s_val);
+ if (i < alen - 1) {
+ g_string_append_len (s, ", ", 2);
+ }
+ } else {
+ GST_WARNING ("Could not serialize list/array value of type '%s'",
+ G_VALUE_TYPE_NAME (v));
+ }
+ }
+ g_string_append (s, end);
+ return g_string_free (s, FALSE);
+}
+
+static void
+_gst_value_transform_g_value_array_string (const GValue * src_value,
+ GValue * dest_value, const gchar * begin, const gchar * end)
+{
+ GValue *list_value;
+ GValueArray *array;
+ GString *s;
+ guint i;
+ gchar *list_s;
+ guint alen;
+
+ array = src_value->data[0].v_pointer;
+ alen = array->n_values;
+
+ /* estimate minimum string length to minimise re-allocs in GString */
+ s = g_string_sized_new (2 + (10 * alen) + 2);
+ g_string_append (s, begin);
+ for (i = 0; i < alen; i++) {
+ list_value = g_value_array_get_nth (array, i);
+
+ if (i != 0) {
+ g_string_append_len (s, ", ", 2);
+ }
+ list_s = g_strdup_value_contents (list_value);
+ g_string_append (s, list_s);
+ g_free (list_s);
+ }
+ g_string_append (s, end);
+
+ dest_value->data[0].v_pointer = g_string_free (s, FALSE);
+}
+
/*
* helper function to see if a type is fixed. Is used internally here and
* there. Do not export, since it doesn't work for types where the content
/* our fundamental types that are certainly not fixed */
if (type == GST_TYPE_INT_RANGE || type == GST_TYPE_DOUBLE_RANGE ||
type == GST_TYPE_INT64_RANGE ||
- type == GST_TYPE_LIST || type == GST_TYPE_FRACTION_RANGE) {
+ type == GST_TYPE_LIST || type == GST_TYPE_FRACTION_RANGE ||
+ type == GST_TYPE_STRUCTURE) {
return FALSE;
}
/* other (boxed) types that are fixed */
gst_value_transform_any_list_string (src_value, dest_value, "< ", " >");
}
+static void
+gst_value_transform_g_value_array_string (const GValue * src_value,
+ GValue * dest_value)
+{
+ _gst_value_transform_g_value_array_string (src_value, dest_value, "< ", " >");
+}
+
+static void
+gst_value_transform_g_value_array_any_list (const GValue * src_value,
+ GValue * dest_value)
+{
+ const GValueArray *varray;
+ GArray *array;
+ gint i;
+
+ /* GLib will unset the value, memset to 0 the data instead of doing a proper
+ * reset. That's why we need to allocate the array here */
+ gst_value_init_list_or_array (dest_value);
+
+ varray = g_value_get_boxed (src_value);
+ array = dest_value->data[0].v_pointer;
+
+ for (i = 0; i < varray->n_values; i++) {
+ GValue val = G_VALUE_INIT;
+ gst_value_init_and_copy (&val, &varray->values[i]);
+ g_array_append_vals (array, &val, 1);
+ }
+}
+
+static void
+gst_value_transform_any_list_g_value_array (const GValue * src_value,
+ GValue * dest_value)
+{
+ GValueArray *varray;
+ const GArray *array;
+ gint i;
+
+ array = src_value->data[0].v_pointer;
+ varray = g_value_array_new (array->len);
+
+ for (i = 0; i < array->len; i++)
+ g_value_array_append (varray, &g_array_index (array, GValue, i));
+
+ g_value_take_boxed (dest_value, varray);
+}
+
/* Do an unordered compare of the contents of a list */
static gint
-gst_value_compare_list (const GValue * value1, const GValue * value2)
+gst_value_compare_value_list (const GValue * value1, const GValue * value2)
{
guint i, j;
GArray *array1 = value1->data[0].v_pointer;
continue;
v2 = &g_array_index (array2, GValue, j);
if (gst_value_compare_with_func (v1, v2, compare) == GST_VALUE_EQUAL) {
- /* mark item as removed now that we found it in array2 and
+ /* mark item as removed now that we found it in array2 and
* decrement the number of remaining items in array2. */
removed[j] = 1;
to_remove--;
/* Perform an ordered comparison of the contents of an array */
static gint
-gst_value_compare_array (const GValue * value1, const GValue * value2)
+gst_value_compare_value_array (const GValue * value1, const GValue * value2)
{
guint i;
GArray *array1 = value1->data[0].v_pointer;
return GST_VALUE_EQUAL;
}
+static gint
+gst_value_compare_g_value_array (const GValue * value1, const GValue * value2)
+{
+ guint i;
+ GValueArray *array1 = value1->data[0].v_pointer;
+ GValueArray *array2 = value2->data[0].v_pointer;
+ guint len = array1->n_values;
+ GValue *v1;
+ GValue *v2;
+
+ if (len != array2->n_values)
+ return GST_VALUE_UNORDERED;
+
+ for (i = 0; i < len; i++) {
+ v1 = g_value_array_get_nth (array1, i);
+ v2 = g_value_array_get_nth (array2, i);
+ if (gst_value_compare (v1, v2) != GST_VALUE_EQUAL)
+ return GST_VALUE_UNORDERED;
+ }
+
+ return GST_VALUE_EQUAL;
+}
+
static gchar *
-gst_value_serialize_list (const GValue * value)
+gst_value_serialize_value_list (const GValue * value)
{
- return gst_value_serialize_any_list (value, "{ ", " }");
+ return _priv_gst_value_serialize_any_list (value, "{ ", " }", TRUE);
}
static gboolean
-gst_value_deserialize_list (GValue * dest, const gchar * s)
+gst_value_deserialize_value_list (GValue * dest, const gchar * s)
{
- g_warning ("gst_value_deserialize_list: unimplemented");
- return FALSE;
+ gchar *s2 = (gchar *) s;
+ return _priv_gst_value_parse_list (s2, &s2, dest, G_TYPE_INVALID);
+}
+
+static gchar *
+gst_value_serialize_value_array (const GValue * value)
+{
+ return _priv_gst_value_serialize_any_list (value, "< ", " >", TRUE);
+}
+
+static gboolean
+gst_value_deserialize_value_array (GValue * dest, const gchar * s)
+{
+ gchar *s2 = (gchar *) s;
+ return _priv_gst_value_parse_array (s2, &s2, dest, G_TYPE_INVALID);
}
static gchar *
-gst_value_serialize_array (const GValue * value)
+gst_value_serialize_g_value_array (const GValue * value)
{
- return gst_value_serialize_any_list (value, "< ", " >");
+ return _gst_value_serialize_g_value_array (value, "< ", " >");
}
static gboolean
-gst_value_deserialize_array (GValue * dest, const gchar * s)
+gst_value_deserialize_g_value_array (GValue * dest, const gchar * s)
{
- g_warning ("gst_value_deserialize_array: unimplemented");
+ g_warning ("gst_value_deserialize_g_value_array: unimplemented");
return FALSE;
}
*
* Gets the minimum of the range specified by @value.
*
- * Returns: the minimum of the range
+ * Returns: (nullable): the minimum of the range
*/
const GValue *
gst_value_get_fraction_range_min (const GValue * value)
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maximum of the range
+ * Returns: (nullable): the maximum of the range
*/
const GValue *
gst_value_get_fraction_range_max (const GValue * value)
gst_value_serialize_caps (const GValue * value)
{
GstCaps *caps = g_value_get_boxed (value);
- return gst_string_take_and_wrap (gst_caps_to_string (caps));
+ return priv_gst_string_take_and_wrap (gst_caps_to_string (caps));
}
static gboolean
return FALSE;
}
-/**************
- * GstSegment *
- **************/
-
-static gchar *
-gst_value_serialize_segment_internal (const GValue * value, gboolean escape)
-{
- GstSegment *seg = g_value_get_boxed (value);
- gchar *t, *res;
- GstStructure *s;
-
- s = gst_structure_new ("GstSegment",
- "flags", GST_TYPE_SEGMENT_FLAGS, seg->flags,
- "rate", G_TYPE_DOUBLE, seg->rate,
- "applied-rate", G_TYPE_DOUBLE, seg->applied_rate,
- "format", GST_TYPE_FORMAT, seg->format,
- "base", G_TYPE_UINT64, seg->base,
- "offset", G_TYPE_UINT64, seg->offset,
- "start", G_TYPE_UINT64, seg->start,
- "stop", G_TYPE_UINT64, seg->stop,
- "time", G_TYPE_UINT64, seg->time,
- "position", G_TYPE_UINT64, seg->position,
- "duration", G_TYPE_UINT64, seg->duration, NULL);
- t = gst_structure_to_string (s);
- if (escape) {
- res = g_strdup_printf ("\"%s\"", t);
- g_free (t);
- } else {
- res = t;
+/********************************************
+ * Serialization/deserialization of GValues *
+ ********************************************/
+
+static GstValueAbbreviation *
+_priv_gst_value_get_abbrs (gint * n_abbrs)
+{
+ static GstValueAbbreviation *abbrs = NULL;
+ static volatile gsize num = 0;
+
+ if (g_once_init_enter (&num)) {
+ /* dynamically generate the array */
+ gsize _num;
+ GstValueAbbreviation dyn_abbrs[] = {
+ {"int", G_TYPE_INT}
+ ,
+ {"i", G_TYPE_INT}
+ ,
+ {"uint", G_TYPE_UINT}
+ ,
+ {"u", G_TYPE_UINT}
+ ,
+ {"float", G_TYPE_FLOAT}
+ ,
+ {"f", G_TYPE_FLOAT}
+ ,
+ {"double", G_TYPE_DOUBLE}
+ ,
+ {"d", G_TYPE_DOUBLE}
+ ,
+ {"buffer", GST_TYPE_BUFFER}
+ ,
+ {"fraction", GST_TYPE_FRACTION}
+ ,
+ {"boolean", G_TYPE_BOOLEAN}
+ ,
+ {"bool", G_TYPE_BOOLEAN}
+ ,
+ {"b", G_TYPE_BOOLEAN}
+ ,
+ {"string", G_TYPE_STRING}
+ ,
+ {"str", G_TYPE_STRING}
+ ,
+ {"s", G_TYPE_STRING}
+ ,
+ {"structure", GST_TYPE_STRUCTURE}
+ ,
+ {"date", G_TYPE_DATE}
+ ,
+ {"datetime", GST_TYPE_DATE_TIME}
+ ,
+ {"bitmask", GST_TYPE_BITMASK}
+ ,
+ {"flagset", GST_TYPE_FLAG_SET}
+ ,
+ {"sample", GST_TYPE_SAMPLE}
+ ,
+ {"taglist", GST_TYPE_TAG_LIST}
+ ,
+ {"type", G_TYPE_GTYPE}
+ ,
+ {"array", GST_TYPE_ARRAY}
+ ,
+ {"list", GST_TYPE_LIST}
+ };
+ _num = G_N_ELEMENTS (dyn_abbrs);
+ /* permanently allocate and copy the array now */
+ abbrs = g_new0 (GstValueAbbreviation, _num);
+ memcpy (abbrs, dyn_abbrs, sizeof (GstValueAbbreviation) * _num);
+ g_once_init_leave (&num, _num);
}
- gst_structure_free (s);
+ *n_abbrs = num;
- return res;
+ return abbrs;
}
-static gchar *
-gst_value_serialize_segment (const GValue * value)
+/* given a type_name that could be a type abbreviation or a registered GType,
+ * return a matching GType */
+static GType
+_priv_gst_value_gtype_from_abbr (const char *type_name)
{
- return gst_value_serialize_segment_internal (value, TRUE);
-}
+ int i;
+ GstValueAbbreviation *abbrs;
+ gint n_abbrs;
+ GType ret;
-static gboolean
-gst_value_deserialize_segment (GValue * dest, const gchar * s)
-{
- GstStructure *str;
- GstSegment seg;
- gboolean res;
+ g_return_val_if_fail (type_name != NULL, G_TYPE_INVALID);
- str = gst_structure_from_string (s, NULL);
- if (str == NULL)
- return FALSE;
+ abbrs = _priv_gst_value_get_abbrs (&n_abbrs);
- res = gst_structure_get (str,
- "flags", GST_TYPE_SEGMENT_FLAGS, &seg.flags,
- "rate", G_TYPE_DOUBLE, &seg.rate,
- "applied-rate", G_TYPE_DOUBLE, &seg.applied_rate,
- "format", GST_TYPE_FORMAT, &seg.format,
- "base", G_TYPE_UINT64, &seg.base,
- "offset", G_TYPE_UINT64, &seg.offset,
- "start", G_TYPE_UINT64, &seg.start,
- "stop", G_TYPE_UINT64, &seg.stop,
- "time", G_TYPE_UINT64, &seg.time,
- "position", G_TYPE_UINT64, &seg.position,
- "duration", G_TYPE_UINT64, &seg.duration, NULL);
- gst_structure_free (str);
+ for (i = 0; i < n_abbrs; i++) {
+ if (strcmp (type_name, abbrs[i].type_name) == 0) {
+ return abbrs[i].type;
+ }
+ }
- if (res)
- g_value_set_boxed (dest, &seg);
+ /* this is the fallback */
+ ret = g_type_from_name (type_name);
+ /* If not found, try it as a dynamic type */
+ if (G_UNLIKELY (ret == 0))
+ ret = gst_dynamic_type_factory_load (type_name);
+ return ret;
- return res;
}
-/****************
- * GstStructure *
- ****************/
-
-/**
- * gst_value_set_structure:
- * @value: a GValue initialized to GST_TYPE_STRUCTURE
- * @structure: the structure to set the value to
- *
- * Sets the contents of @value to @structure. The actual
- */
-void
-gst_value_set_structure (GValue * value, const GstStructure * structure)
+const char *
+_priv_gst_value_gtype_to_abbr (GType type)
{
- g_return_if_fail (G_IS_VALUE (value));
- g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE);
- g_return_if_fail (structure == NULL || GST_IS_STRUCTURE (structure));
+ int i;
+ GstValueAbbreviation *abbrs;
+ gint n_abbrs;
- g_value_set_boxed (value, structure);
+ g_return_val_if_fail (type != G_TYPE_INVALID, NULL);
+
+ abbrs = _priv_gst_value_get_abbrs (&n_abbrs);
+
+ for (i = 0; i < n_abbrs; i++) {
+ if (type == abbrs[i].type) {
+ return abbrs[i].type_name;
+ }
+ }
+
+ return g_type_name (type);
}
-/**
- * gst_value_get_structure:
- * @value: a GValue initialized to GST_TYPE_STRUCTURE
+/*
+ * _priv_gst_value_parse_string:
+ * @s: string to parse
+ * @end: out-pointer to char behind end of string
+ * @next: out-pointer to start of unread data
+ * @unescape: @TRUE if the substring is escaped.
*
- * Gets the contents of @value.
+ * Find the end of a sub-string. If end == next, the string will not be
+ * null-terminated. In all other cases it will be.
*
- * Returns: (transfer none): the contents of @value
+ * Note: This function modifies the string in @s (if unescape == @TRUE).
+ *
+ * Returns: @TRUE if a sub-string was found and @FALSE if the string is not
+ * terminated.
*/
-const GstStructure *
-gst_value_get_structure (const GValue * value)
+gboolean
+_priv_gst_value_parse_string (gchar * s, gchar ** end, gchar ** next,
+ gboolean unescape)
{
- g_return_val_if_fail (G_IS_VALUE (value), NULL);
- g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE, NULL);
+ gchar *w;
- return (GstStructure *) g_value_get_boxed (value);
-}
+ if (*s == 0)
+ return FALSE;
-static gchar *
-gst_value_serialize_structure (const GValue * value)
-{
- GstStructure *structure = g_value_get_boxed (value);
+ if (*s != '"') {
+ int ret = _priv_gst_value_parse_simple_string (s, end);
+ *next = *end;
+
+ return ret;
+ }
+
+ /* Find the closing quotes */
+ if (unescape) {
+ w = s;
+ s++;
+ while (*s != '"') {
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ if (G_UNLIKELY (*s == '\\')) {
+ s++;
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ }
+ *w = *s;
+ w++;
+ s++;
+ }
+ s++;
+ } else {
+ s++;
+ while (*s != '"') {
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ if (G_UNLIKELY (*s == '\\')) {
+ s++;
+ if (G_UNLIKELY (*s == 0))
+ return FALSE;
+ }
+ s++;
+ }
+ s++;
+ w = s;
+ }
+
+ *end = w;
+ *next = s;
- return gst_string_take_and_wrap (gst_structure_to_string (structure));
+ return TRUE;
}
static gboolean
-gst_value_deserialize_structure (GValue * dest, const gchar * s)
+_priv_gst_value_parse_range (gchar * s, gchar ** after, GValue * value,
+ GType type)
{
- GstStructure *structure;
+ GValue value1 = { 0 };
+ GValue value2 = { 0 };
+ GValue value3 = { 0 };
+ GType range_type;
+ gboolean ret, have_step = FALSE;
- if (*s != '"') {
- structure = gst_structure_from_string (s, NULL);
- } else {
- gchar *str = gst_string_unwrap (s);
+ if (*s != '[')
+ return FALSE;
+ s++;
- if (G_UNLIKELY (!str))
- return FALSE;
+ ret = _priv_gst_value_parse_value (s, &s, &value1, type);
+ if (!ret)
+ return FALSE;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ if (*s != ',')
+ return FALSE;
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ ret = _priv_gst_value_parse_value (s, &s, &value2, type);
+ if (!ret)
+ return FALSE;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ /* optional step for int and int64 */
+ if (G_VALUE_TYPE (&value1) == G_TYPE_INT
+ || G_VALUE_TYPE (&value1) == G_TYPE_INT64) {
+ if (*s == ',') {
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ ret = _priv_gst_value_parse_value (s, &s, &value3, type);
+ if (!ret)
+ return FALSE;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ have_step = TRUE;
+ }
+ }
+
+ if (*s != ']')
+ return FALSE;
+ s++;
+
+ if (G_VALUE_TYPE (&value1) != G_VALUE_TYPE (&value2))
+ return FALSE;
+ if (have_step && G_VALUE_TYPE (&value1) != G_VALUE_TYPE (&value3))
+ return FALSE;
+
+ if (G_VALUE_TYPE (&value1) == G_TYPE_DOUBLE) {
+ range_type = GST_TYPE_DOUBLE_RANGE;
+ g_value_init (value, range_type);
+ gst_value_set_double_range (value,
+ gst_g_value_get_double_unchecked (&value1),
+ gst_g_value_get_double_unchecked (&value2));
+ } else if (G_VALUE_TYPE (&value1) == G_TYPE_INT) {
+ range_type = GST_TYPE_INT_RANGE;
+ g_value_init (value, range_type);
+ if (have_step)
+ gst_value_set_int_range_step (value,
+ gst_g_value_get_int_unchecked (&value1),
+ gst_g_value_get_int_unchecked (&value2),
+ gst_g_value_get_int_unchecked (&value3));
+ else
+ gst_value_set_int_range (value, gst_g_value_get_int_unchecked (&value1),
+ gst_g_value_get_int_unchecked (&value2));
+ } else if (G_VALUE_TYPE (&value1) == G_TYPE_INT64) {
+ range_type = GST_TYPE_INT64_RANGE;
+ g_value_init (value, range_type);
+ if (have_step)
+ gst_value_set_int64_range_step (value,
+ gst_g_value_get_int64_unchecked (&value1),
+ gst_g_value_get_int64_unchecked (&value2),
+ gst_g_value_get_int64_unchecked (&value3));
+ else
+ gst_value_set_int64_range (value,
+ gst_g_value_get_int64_unchecked (&value1),
+ gst_g_value_get_int64_unchecked (&value2));
+ } else if (G_VALUE_TYPE (&value1) == GST_TYPE_FRACTION) {
+ range_type = GST_TYPE_FRACTION_RANGE;
+ g_value_init (value, range_type);
+ gst_value_set_fraction_range (value, &value1, &value2);
+ } else {
+ return FALSE;
+ }
+
+ *after = s;
+ return TRUE;
+}
+
+static gboolean
+_priv_gst_value_parse_any_list (gchar * s, gchar ** after, GValue * value,
+ GType type, char begin, char end)
+{
+ GValue list_value = { 0 };
+ gboolean ret;
+ GArray *array;
+
+ array = g_value_peek_pointer (value);
+
+ if (*s != begin)
+ return FALSE;
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+ if (*s == end) {
+ s++;
+ *after = s;
+ return TRUE;
+ }
+
+ ret = _priv_gst_value_parse_value (s, &s, &list_value, type);
+ if (!ret)
+ return FALSE;
+
+ g_array_append_val (array, list_value);
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ while (*s != end) {
+ if (*s != ',')
+ return FALSE;
+ s++;
+
+ while (g_ascii_isspace (*s))
+ s++;
+
+ memset (&list_value, 0, sizeof (list_value));
+ ret = _priv_gst_value_parse_value (s, &s, &list_value, type);
+ if (!ret)
+ return FALSE;
+
+ g_array_append_val (array, list_value);
+ while (g_ascii_isspace (*s))
+ s++;
+ }
+
+ s++;
+
+ *after = s;
+ return TRUE;
+}
+
+static gboolean
+_priv_gst_value_parse_list (gchar * s, gchar ** after, GValue * value,
+ GType type)
+{
+ return _priv_gst_value_parse_any_list (s, after, value, type, '{', '}');
+}
+
+static gboolean
+_priv_gst_value_parse_array (gchar * s, gchar ** after, GValue * value,
+ GType type)
+{
+ return _priv_gst_value_parse_any_list (s, after, value, type, '<', '>');
+}
+
+gboolean
+_priv_gst_value_parse_simple_string (gchar * str, gchar ** end)
+{
+ char *s = str;
+
+ while (G_LIKELY (GST_ASCII_IS_STRING (*s))) {
+ s++;
+ }
+
+ *end = s;
+
+ return (s != str);
+}
+
+gboolean
+_priv_gst_value_parse_value (gchar * str,
+ gchar ** after, GValue * value, GType default_type)
+{
+ gchar *type_name;
+ gchar *type_end;
+ gchar *value_s;
+ gchar *value_end;
+ gchar *s;
+ gchar c;
+ int ret = 0;
+ GType type = default_type;
+
+ s = str;
+ while (g_ascii_isspace (*s))
+ s++;
+
+ /* check if there's a (type_name) 'cast' */
+ type_name = NULL;
+ if (*s == '(') {
+ s++;
+ while (g_ascii_isspace (*s))
+ s++;
+ type_name = s;
+ if (G_UNLIKELY (!_priv_gst_value_parse_simple_string (s, &type_end)))
+ return FALSE;
+ s = type_end;
+ while (g_ascii_isspace (*s))
+ s++;
+ if (G_UNLIKELY (*s != ')'))
+ return FALSE;
+ s++;
+ while (g_ascii_isspace (*s))
+ s++;
+
+ c = *type_end;
+ *type_end = 0;
+ type = _priv_gst_value_gtype_from_abbr (type_name);
+ GST_DEBUG ("trying type name '%s'", type_name);
+ *type_end = c;
+
+ if (G_UNLIKELY (type == G_TYPE_INVALID)) {
+ GST_WARNING ("invalid type");
+ return FALSE;
+ }
+ }
+
+ while (g_ascii_isspace (*s))
+ s++;
+ if (*s == '[') {
+ ret = _priv_gst_value_parse_range (s, &s, value, type);
+ } else if (*s == '{') {
+ g_value_init (value, GST_TYPE_LIST);
+ ret = _priv_gst_value_parse_list (s, &s, value, type);
+ } else if (*s == '<') {
+ g_value_init (value, GST_TYPE_ARRAY);
+ ret = _priv_gst_value_parse_array (s, &s, value, type);
+ } else {
+ value_s = s;
+
+ if (G_UNLIKELY (type == G_TYPE_INVALID)) {
+ GType try_types[] =
+ { G_TYPE_INT, G_TYPE_DOUBLE, GST_TYPE_FRACTION, GST_TYPE_FLAG_SET,
+ G_TYPE_BOOLEAN, G_TYPE_STRING
+ };
+ int i;
+
+ if (G_UNLIKELY (!_priv_gst_value_parse_string (s, &value_end, &s, TRUE)))
+ return FALSE;
+ /* Set NULL terminator for deserialization */
+ c = *value_end;
+ *value_end = '\0';
+
+ for (i = 0; i < G_N_ELEMENTS (try_types); i++) {
+ g_value_init (value, try_types[i]);
+ ret = gst_value_deserialize (value, value_s);
+ if (ret)
+ break;
+ g_value_unset (value);
+ }
+ } else {
+ g_value_init (value, type);
+
+ if (G_UNLIKELY (!_priv_gst_value_parse_string (s, &value_end, &s,
+ (type != G_TYPE_STRING))))
+ return FALSE;
+ /* Set NULL terminator for deserialization */
+ c = *value_end;
+ *value_end = '\0';
+
+ ret = gst_value_deserialize (value, value_s);
+ if (G_UNLIKELY (!ret))
+ g_value_unset (value);
+ }
+ *value_end = c;
+ }
+
+ *after = s;
+
+ return ret;
+}
+
+/**************
+ * GstSegment *
+ **************/
+
+static gchar *
+gst_value_serialize_segment_internal (const GValue * value, gboolean escape)
+{
+ GstSegment *seg = g_value_get_boxed (value);
+ gchar *t, *res;
+ GstStructure *s;
+
+ s = gst_structure_new ("GstSegment",
+ "flags", GST_TYPE_SEGMENT_FLAGS, seg->flags,
+ "rate", G_TYPE_DOUBLE, seg->rate,
+ "applied-rate", G_TYPE_DOUBLE, seg->applied_rate,
+ "format", GST_TYPE_FORMAT, seg->format,
+ "base", G_TYPE_UINT64, seg->base,
+ "offset", G_TYPE_UINT64, seg->offset,
+ "start", G_TYPE_UINT64, seg->start,
+ "stop", G_TYPE_UINT64, seg->stop,
+ "time", G_TYPE_UINT64, seg->time,
+ "position", G_TYPE_UINT64, seg->position,
+ "duration", G_TYPE_UINT64, seg->duration, NULL);
+ t = gst_structure_to_string (s);
+ if (escape) {
+ res = g_strdup_printf ("\"%s\"", t);
+ g_free (t);
+ } else {
+ res = t;
+ }
+ gst_structure_free (s);
+
+ return res;
+}
+
+static gchar *
+gst_value_serialize_segment (const GValue * value)
+{
+ return gst_value_serialize_segment_internal (value, TRUE);
+}
+
+static gboolean
+gst_value_deserialize_segment (GValue * dest, const gchar * s)
+{
+ GstStructure *str;
+ GstSegment seg;
+ gboolean res;
+
+ str = gst_structure_from_string (s, NULL);
+ if (str == NULL)
+ return FALSE;
+
+ res = gst_structure_get (str,
+ "flags", GST_TYPE_SEGMENT_FLAGS, &seg.flags,
+ "rate", G_TYPE_DOUBLE, &seg.rate,
+ "applied-rate", G_TYPE_DOUBLE, &seg.applied_rate,
+ "format", GST_TYPE_FORMAT, &seg.format,
+ "base", G_TYPE_UINT64, &seg.base,
+ "offset", G_TYPE_UINT64, &seg.offset,
+ "start", G_TYPE_UINT64, &seg.start,
+ "stop", G_TYPE_UINT64, &seg.stop,
+ "time", G_TYPE_UINT64, &seg.time,
+ "position", G_TYPE_UINT64, &seg.position,
+ "duration", G_TYPE_UINT64, &seg.duration, NULL);
+ gst_structure_free (str);
+
+ if (res)
+ g_value_set_boxed (dest, &seg);
+
+ return res;
+}
+
+/****************
+ * GstStructure *
+ ****************/
+
+/**
+ * gst_value_set_structure:
+ * @value: a GValue initialized to GST_TYPE_STRUCTURE
+ * @structure: the structure to set the value to
+ *
+ * Sets the contents of @value to @structure.
+ */
+void
+gst_value_set_structure (GValue * value, const GstStructure * structure)
+{
+ g_return_if_fail (G_IS_VALUE (value));
+ g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE);
+ g_return_if_fail (structure == NULL || GST_IS_STRUCTURE (structure));
+
+ g_value_set_boxed (value, structure);
+}
+
+/**
+ * gst_value_get_structure:
+ * @value: a GValue initialized to GST_TYPE_STRUCTURE
+ *
+ * Gets the contents of @value.
+ *
+ * Returns: (transfer none): the contents of @value
+ */
+const GstStructure *
+gst_value_get_structure (const GValue * value)
+{
+ g_return_val_if_fail (G_IS_VALUE (value), NULL);
+ g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE, NULL);
+
+ return (GstStructure *) g_value_get_boxed (value);
+}
+
+static gchar *
+gst_value_serialize_structure (const GValue * value)
+{
+ GstStructure *structure = g_value_get_boxed (value);
+
+ return priv_gst_string_take_and_wrap (gst_structure_to_string (structure));
+}
+
+static gboolean
+gst_value_deserialize_structure (GValue * dest, const gchar * s)
+{
+ GstStructure *structure;
+
+ if (*s != '"') {
+ structure = gst_structure_from_string (s, NULL);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
structure = gst_structure_from_string (str, NULL);
g_free (str);
return FALSE;
}
+static gboolean
+gst_value_compare_structure (const GValue * value1, const GValue * value2)
+{
+ GstStructure *structure1 = GST_STRUCTURE (g_value_get_boxed (value1));
+ GstStructure *structure2 = GST_STRUCTURE (g_value_get_boxed (value2));
+
+ if (structure1 == structure2)
+ return GST_VALUE_EQUAL;
+
+ if (!structure1 || !structure2)
+ return GST_VALUE_UNORDERED;
+
+ if (gst_structure_is_equal (structure1, structure2))
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
+}
+
/*******************
* GstCapsFeatures *
*******************/
{
GstCapsFeatures *features = g_value_get_boxed (value);
- return gst_string_take_and_wrap (gst_caps_features_to_string (features));
+ return priv_gst_string_take_and_wrap (gst_caps_features_to_string (features));
}
static gboolean
{
GstTagList *taglist = g_value_get_boxed (value);
- return gst_string_take_and_wrap (gst_tag_list_to_string (taglist));
+ return priv_gst_string_take_and_wrap (gst_tag_list_to_string (taglist));
}
GValue bval = G_VALUE_INIT, sval = G_VALUE_INIT;
GstStructure *info;
GstSample *sample;
- GstCaps *caps;
+ GstCaps *caps = NULL;
gboolean ret = FALSE;
gchar **fields;
gsize outlen;
caps = gst_caps_from_string (fields[1]);
if (caps == NULL)
goto fail;
- } else {
- caps = NULL;
}
if (strcmp (fields[2], "None") != 0) {
g_value_take_boxed (dest, sample);
- if (caps)
- gst_caps_unref (caps);
-
ret = TRUE;
fail:
-
+ if (caps)
+ gst_caps_unref (caps);
g_value_unset (&bval);
g_value_unset (&sval);
return ret; \
}
-#define REGISTER_SERIALIZATION(_gtype, _type) \
-G_STMT_START { \
- static const GstValueTable gst_value = { \
- _gtype, \
- gst_value_compare_ ## _type, \
- gst_value_serialize_ ## _type, \
- gst_value_deserialize_ ## _type, \
- }; \
- \
- gst_value_register (&gst_value); \
-} G_STMT_END
-
CREATE_SERIALIZATION (int, INT);
CREATE_SERIALIZATION (int64, INT64);
CREATE_SERIALIZATION (long, LONG);
}
/* Same as above, but take ownership of the string */
-static gchar *
-gst_string_take_and_wrap (gchar * s)
+gchar *
+priv_gst_string_take_and_wrap (gchar * s)
{
gchar *out;
gint len = gst_string_measure_wrapping (s);
if (G_UNLIKELY (strcmp (s, "NULL") == 0)) {
g_value_set_string (dest, NULL);
return TRUE;
- } else if (G_LIKELY (*s != '"')) {
+ } else if (G_LIKELY (*s != '"' || s[strlen (s) - 1] != '"')) {
if (!g_utf8_validate (s, -1, NULL))
return FALSE;
g_value_set_string (dest, s);
return TRUE;
} else {
+ /* strings delimited with double quotes should be unwrapped */
gchar *str = gst_string_unwrap (s);
if (G_UNLIKELY (!str))
return FALSE;
/* we just compare the value here */
static gint
-gst_value_compare_flags (const GValue * value1, const GValue * value2)
+gst_value_compare_gflags (const GValue * value1, const GValue * value2)
{
guint fl1, fl2;
GFlagsClass *klass1 =
/* the different flags are serialized separated with a + */
static gchar *
-gst_value_serialize_flags (const GValue * value)
+gst_value_serialize_gflags (const GValue * value)
{
guint flags;
GFlagsValue *fl;
}
static gboolean
-gst_value_deserialize_flags (GValue * dest, const gchar * s)
+gst_value_gflags_str_to_flags (GFlagsClass * klass, const gchar * s,
+ guint * out_flags, guint * out_mask)
{
GFlagsValue *fl;
- gchar *endptr = NULL;
- GFlagsClass *klass = (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (dest));
- gchar **split;
- guint flags;
- gint i;
+ gchar delimiter;
+ const gchar *pos = NULL;
+ const gchar *next;
+ gchar *cur_str, *endptr;
+ guint flags = 0;
+ guint mask = 0;
+ guint val;
g_return_val_if_fail (klass, FALSE);
- /* split into parts delimited with + */
- split = g_strsplit (s, "+", 0);
+ /* split into parts delimited with + or / and
+ * compose the set of flags and mask. */
+ pos = s;
- flags = 0;
- i = 0;
- /* loop over each part */
- while (split[i]) {
- if (!(fl = g_flags_get_value_by_name (klass, split[i]))) {
- if (!(fl = g_flags_get_value_by_nick (klass, split[i]))) {
- gint val = strtol (split[i], &endptr, 0);
+ if (*pos == '\0')
+ goto done; /* Empty string, nothing to do */
- /* just or numeric value */
- if (endptr && *endptr == '\0') {
- flags |= val;
- }
+ /* As a special case if the first char isn't a delimiter, assume
+ * it's a '+' - for GFlags strings, which don't start with a
+ * delimiter, while GFlagSet always will */
+ if (*pos == '/' || *pos == '+') {
+ delimiter = *pos;
+ pos++;
+ } else {
+ delimiter = '+';
+ }
+
+ do {
+ /* Find the next delimiter */
+ next = pos;
+ while (*next != '\0' && *next != '+' && *next != '/')
+ next++;
+ cur_str = g_strndup (pos, next - pos);
+
+ if ((fl = g_flags_get_value_by_name (klass, cur_str)))
+ val = fl->value;
+ else if ((fl = g_flags_get_value_by_nick (klass, cur_str)))
+ val = fl->value;
+ else {
+ val = strtoul (cur_str, &endptr, 0);
+ /* direct numeric value */
+ if (endptr == NULL || *endptr != '\0') {
+ g_free (cur_str);
+ return FALSE; /* Invalid numeric or string we can't convert */
}
}
- if (fl) {
- flags |= fl->value;
+ g_free (cur_str);
+
+ if (val) {
+ mask |= val;
+ if (delimiter == '+')
+ flags |= val;
}
- i++;
+
+ /* Advance to the next delimiter */
+ pos = next;
+ delimiter = *pos;
+ pos++;
+ } while (delimiter != '\0');
+
+done:
+ if (out_flags)
+ *out_flags = flags;
+ if (out_mask)
+ *out_mask = mask;
+
+ return TRUE;
+}
+
+
+static gboolean
+gst_value_deserialize_gflags (GValue * dest, const gchar * s)
+{
+ GFlagsClass *klass = (GFlagsClass *) g_type_class_ref (G_VALUE_TYPE (dest));
+ gboolean res = FALSE;
+ guint flags = 0;
+
+ if (gst_value_gflags_str_to_flags (klass, s, &flags, NULL)) {
+ g_value_set_flags (dest, flags);
+ res = TRUE;
}
- g_strfreev (split);
+
g_type_class_unref (klass);
- g_value_set_flags (dest, flags);
- return TRUE;
+ return res;
+}
+
+/*********
+ * gtype *
+ *********/
+
+static gint
+gst_value_compare_gtype (const GValue * value1, const GValue * value2)
+{
+ if (value1->data[0].v_pointer == value2->data[0].v_pointer)
+ return GST_VALUE_EQUAL;
+ return GST_VALUE_UNORDERED;
+}
+
+static gchar *
+gst_value_serialize_gtype (const GValue * value)
+{
+ return g_strdup (g_type_name (g_value_get_gtype (value)));
+}
+
+static gboolean
+gst_value_deserialize_gtype (GValue * dest, const gchar * s)
+{
+ GType t = g_type_from_name (s);
+ gboolean ret = TRUE;
+
+ if (t == G_TYPE_INVALID)
+ ret = FALSE;
+ if (ret) {
+ g_value_set_gtype (dest, t);
+ }
+ return ret;
}
/****************
return TRUE;
}
+/* A flag set is a subset of another if the superset allows the
+ * flags of the subset */
+static gboolean
+gst_value_is_subset_flagset_flagset (const GValue * value1,
+ const GValue * value2)
+{
+ guint f1, f2;
+ guint m1, m2;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value2), FALSE);
+
+ f1 = value1->data[0].v_uint;
+ f2 = value2->data[0].v_uint;
+
+ m1 = value1->data[1].v_uint;
+ m2 = value2->data[1].v_uint;
+
+ /* Not a subset if masked bits of superset disagree */
+ if ((f1 & m1) != (f2 & (m1 & m2)))
+ return FALSE;
+
+ return TRUE;
+}
+
+static gboolean
+gst_value_is_subset_structure_structure (const GValue * value1,
+ const GValue * value2)
+{
+ const GstStructure *s1, *s2;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (value1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (value2), FALSE);
+
+ s1 = gst_value_get_structure (value1);
+ s2 = gst_value_get_structure (value2);
+
+ return gst_structure_is_subset (s1, s2);
+}
+
/**
* gst_value_is_subset:
* @value1: a #GValue
} else if (GST_VALUE_HOLDS_INT64_RANGE (value1)
&& GST_VALUE_HOLDS_INT64_RANGE (value2)) {
return gst_value_is_subset_int64_range_int64_range (value1, value2);
+ } else if (GST_VALUE_HOLDS_FLAG_SET (value1) &&
+ GST_VALUE_HOLDS_FLAG_SET (value2)) {
+ return gst_value_is_subset_flagset_flagset (value1, value2);
+ } else if (GST_VALUE_HOLDS_STRUCTURE (value1)
+ && GST_VALUE_HOLDS_STRUCTURE (value2)) {
+ return gst_value_is_subset_structure_structure (value1, value2);
}
/*
/* check if it extends the range */
if (v == (INT_RANGE_MIN (src2) - 1) * INT_RANGE_STEP (src2)) {
if (dest) {
- guint64 new_min =
- (guint) ((INT_RANGE_MIN (src2) - 1) * INT_RANGE_STEP (src2));
- guint64 new_max = (guint) (INT_RANGE_MAX (src2) * INT_RANGE_STEP (src2));
+ guint64 new_min = INT_RANGE_MIN (src2) - 1;
+ guint64 new_max = INT_RANGE_MAX (src2);
gst_value_init_and_copy (dest, src2);
dest->data[0].v_uint64 = (new_min << 32) | (new_max);
}
if (v == (INT_RANGE_MAX (src2) + 1) * INT_RANGE_STEP (src2)) {
if (dest) {
- guint64 new_min = (guint) (INT_RANGE_MIN (src2) * INT_RANGE_STEP (src2));
- guint64 new_max =
- (guint) ((INT_RANGE_MAX (src2) + 1) * INT_RANGE_STEP (src2));
+ guint64 new_min = INT_RANGE_MIN (src2);
+ guint64 new_max = INT_RANGE_MAX (src2) + 1;
gst_value_init_and_copy (dest, src2);
dest->data[0].v_uint64 = (new_min << 32) | (new_max);
return FALSE;
}
+static gboolean
+gst_value_union_flagset_flagset (GValue * dest, const GValue * src1,
+ const GValue * src2)
+{
+ /* We can union 2 flag sets where they do not disagree on
+ * required (masked) flag bits */
+ guint64 f1, f2;
+ guint64 m1, m2;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src2), FALSE);
+
+ f1 = src1->data[0].v_uint;
+ f2 = src2->data[0].v_uint;
+
+ m1 = src1->data[1].v_uint;
+ m2 = src2->data[1].v_uint;
+
+ /* Can't union if masked bits disagree */
+ if ((f1 & (m1 & m2)) != (f2 & (m1 & m2)))
+ return FALSE;
+
+ if (dest) {
+ g_value_init (dest, GST_TYPE_FLAG_SET);
+ /* Copy masked bits from src2 to src1 */
+ f1 &= ~m2;
+ f1 |= (f2 & m2);
+ m1 |= m2;
+ gst_value_set_flagset (dest, f1, m1);
+ }
+
+ return TRUE;
+}
+
+/* iterating over the result taking the union with the other structure's value */
+static gboolean
+structure_field_union_into (GQuark field_id, GValue * val, gpointer user_data)
+{
+ GstStructure *other = user_data;
+ const GValue *other_value;
+ GValue res_value = G_VALUE_INIT;
+
+ other_value = gst_structure_id_get_value (other, field_id);
+ /* no value in the other struct, just keep this value */
+ if (!other_value)
+ return TRUE;
+
+ if (!gst_value_union (&res_value, val, other_value))
+ return FALSE;
+
+ g_value_unset (val);
+ gst_value_move (val, &res_value);
+ return TRUE;
+}
+
+/* iterating over the other source structure adding missing values */
+static gboolean
+structure_field_union_from (GQuark field_id, const GValue * other_val,
+ gpointer user_data)
+{
+ GstStructure *result = user_data;
+ const GValue *result_value;
+
+ result_value = gst_structure_id_get_value (result, field_id);
+ if (!result_value)
+ gst_structure_id_set_value (result, field_id, other_val);
+
+ return TRUE;
+}
+
+static gboolean
+gst_value_union_structure_structure (GValue * dest, const GValue * src1,
+ const GValue * src2)
+{
+ const GstStructure *s1, *s2;
+ GstStructure *result;
+ gboolean ret;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (src1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_STRUCTURE (src2), FALSE);
+
+ s1 = gst_value_get_structure (src1);
+ s2 = gst_value_get_structure (src2);
+
+ /* Can't join two structures with different names into a single structure */
+ if (!gst_structure_has_name (s1, gst_structure_get_name (s2))) {
+ gst_value_list_concat (dest, src1, src2);
+ return TRUE;
+ }
+
+ result = gst_structure_copy (s1);
+ ret =
+ gst_structure_map_in_place (result, structure_field_union_into,
+ (gpointer) s2);
+ if (!ret)
+ goto out;
+ ret =
+ gst_structure_foreach (s2, structure_field_union_from, (gpointer) result);
+
+ if (ret) {
+ g_value_init (dest, GST_TYPE_STRUCTURE);
+ gst_value_set_structure (dest, result);
+ }
+
+out:
+ gst_structure_free (result);
+ return ret;
+}
+
/****************
* intersection *
****************/
return FALSE;
}
+/* Two flagsets intersect if the masked bits in both
+ * flagsets are exactly equal */
+static gboolean
+gst_value_intersect_flagset_flagset (GValue * dest,
+ const GValue * src1, const GValue * src2)
+{
+ guint f1, f2;
+ guint m1, m2;
+ GType type1, type2, flagset_type;
+
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src1), FALSE);
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (src2), FALSE);
+
+ f1 = src1->data[0].v_uint;
+ f2 = src2->data[0].v_uint;
+
+ m1 = src1->data[1].v_uint;
+ m2 = src2->data[1].v_uint;
+
+ /* Don't intersect if masked bits disagree */
+ if ((f1 & (m1 & m2)) != (f2 & (m1 & m2)))
+ return FALSE;
+
+ /* Allow intersection with the generic FlagSet type, on one
+ * side, but not 2 different subtypes - that makes no sense */
+ type1 = G_VALUE_TYPE (src1);
+ type2 = G_VALUE_TYPE (src2);
+ flagset_type = GST_TYPE_FLAG_SET;
+
+ if (type1 != type2 && type1 != flagset_type && type2 != flagset_type)
+ return FALSE;
+
+ if (dest) {
+ GType dest_type;
+
+ /* Prefer an output type that matches a sub-type,
+ * rather than the generic type */
+ if (type1 != flagset_type)
+ dest_type = type1;
+ else
+ dest_type = type2;
+
+ g_value_init (dest, dest_type);
+
+ /* The compatible set is all the bits from src1 that it
+ * cares about and all the bits from src2 that it cares
+ * about. */
+ dest->data[0].v_uint = (f1 & m1) | (f2 & m2);
+ dest->data[1].v_uint = m1 | m2;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_value_intersect_structure_structure (GValue * dest,
+ const GValue * src1, const GValue * src2)
+{
+ const GstStructure *s1, *s2;
+ GstStructure *d1;
+
+ s1 = gst_value_get_structure (src1);
+ s2 = gst_value_get_structure (src2);
+
+ d1 = gst_structure_intersect (s1, s2);
+ if (!d1)
+ return FALSE;
+
+ if (dest) {
+ g_value_init (dest, GST_TYPE_STRUCTURE);
+ gst_value_set_structure (dest, d1);
+ }
+
+ gst_structure_free (d1);
+ return TRUE;
+}
+
/***************
* subtraction *
***************/
return TRUE;
}
-
/**************
* comparison *
**************/
}
/* "Pure" variant of gst_value_compare which is guaranteed to
- * not have list arguments and therefore does basic comparisions
+ * not have list arguments and therefore does basic comparisons
*/
static inline gint
_gst_value_compare_nolist (const GValue * value1, const GValue * value2)
*
* Compares @value1 and @value2 using the @compare function. Works like
* gst_value_compare() but allows to save time determining the compare function
- * a multiple times.
+ * a multiple times.
*
* Returns: comparison result
*/
if (type1 == GST_TYPE_LIST || type2 == GST_TYPE_LIST)
return TRUE;
+ if (G_UNLIKELY (GST_VALUE_HOLDS_FLAG_SET (value1) &&
+ GST_VALUE_HOLDS_FLAG_SET (value2))) {
+ GType type1, type2, flagset_type;
+
+ type1 = G_VALUE_TYPE (value1);
+ type2 = G_VALUE_TYPE (value2);
+ flagset_type = GST_TYPE_FLAG_SET;
+
+ /* Allow intersection with the generic FlagSet type, on one
+ * side, but not 2 different subtypes - that makes no sense */
+ if (type1 == type2 || type1 == flagset_type || type2 == flagset_type)
+ return TRUE;
+ }
+
/* check registered intersect functions */
len = gst_value_intersect_funcs->len;
for (i = 0; i < len; i++) {
return intersect_info->func (dest, value2, value1);
}
}
+
+ /* Failed to find a direct intersection, check if these are
+ * GstFlagSet sub-types. */
+ if (G_UNLIKELY (GST_VALUE_HOLDS_FLAG_SET (value1) &&
+ GST_VALUE_HOLDS_FLAG_SET (value2))) {
+ return gst_value_intersect_flagset_flagset (dest, value1, value2);
+ }
+
return FALSE;
}
/* special cases */
if (mtype == GST_TYPE_LIST || stype == GST_TYPE_LIST)
return TRUE;
+ if (mtype == GST_TYPE_STRUCTURE || stype == GST_TYPE_STRUCTURE)
+ return FALSE;
len = gst_value_subtract_funcs->len;
for (i = 0; i < len; i++) {
return FALSE;
}
+static gboolean
+structure_field_is_fixed (GQuark field_id, const GValue * val,
+ gpointer user_data)
+{
+ return gst_value_is_fixed (val);
+}
+
/**
* gst_value_is_fixed:
* @value: the #GValue to check
return FALSE;
}
return TRUE;
+ } else if (GST_VALUE_HOLDS_FLAG_SET (value)) {
+ /* Flagsets are only fixed if there are no 'don't care' bits */
+ return (gst_value_get_flagset_mask (value) == GST_FLAG_SET_MASK_EXACT);
+ } else if (GST_VALUE_HOLDS_STRUCTURE (value)) {
+ return gst_structure_foreach (gst_value_get_structure (value),
+ structure_field_is_fixed, NULL);
}
return gst_type_is_fixed (type);
}
g_value_unset (dest);
return res;
+ } else if (GST_VALUE_HOLDS_FLAG_SET (src)) {
+ guint flags;
+
+ if (gst_value_get_flagset_mask (src) == GST_FLAG_SET_MASK_EXACT)
+ return FALSE; /* Already fixed */
+
+ flags = gst_value_get_flagset_flags (src);
+ g_value_init (dest, G_VALUE_TYPE (src));
+ gst_value_set_flagset (dest, flags, GST_FLAG_SET_MASK_EXACT);
+ return TRUE;
+ } else if (GST_VALUE_HOLDS_STRUCTURE (src)) {
+ const GstStructure *str = (GstStructure *) gst_value_get_structure (src);
+ GstStructure *kid;
+
+ if (!str)
+ return FALSE;
+
+ kid = gst_structure_copy (str);
+ gst_structure_fixate (kid);
+ g_value_init (dest, GST_TYPE_STRUCTURE);
+ gst_value_set_structure (dest, kid);
+ gst_structure_free (kid);
+ return TRUE;
} else {
return FALSE;
}
if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_BITMASK (dest)))
return FALSE;
+ errno = 0;
val = g_ascii_strtoull (s, &endptr, 16);
if (val == G_MAXUINT64 && (errno == ERANGE || errno == EINVAL))
return FALSE;
return GST_VALUE_UNORDERED;
}
+/************
+ * flagset *
+ ************/
+
+/* helper functions */
+static void
+gst_value_init_flagset (GValue * value)
+{
+ value->data[0].v_uint = 0;
+ value->data[1].v_uint = 0;
+}
+
+static void
+gst_value_copy_flagset (const GValue * src_value, GValue * dest_value)
+{
+ dest_value->data[0].v_uint = src_value->data[0].v_uint;
+ dest_value->data[1].v_uint = src_value->data[1].v_uint;
+}
+
+static gchar *
+gst_value_collect_flagset (GValue * value, guint n_collect_values,
+ GTypeCValue * collect_values, guint collect_flags)
+{
+ if (n_collect_values != 2)
+ return g_strdup_printf ("not enough value locations for `%s' passed",
+ G_VALUE_TYPE_NAME (value));
+
+ gst_value_set_flagset (value,
+ (guint) collect_values[0].v_int, (guint) collect_values[1].v_int);
+
+ return NULL;
+}
+
+static gchar *
+gst_value_lcopy_flagset (const GValue * value, guint n_collect_values,
+ GTypeCValue * collect_values, guint collect_flags)
+{
+ guint *flags = collect_values[0].v_pointer;
+ guint *mask = collect_values[1].v_pointer;
+
+ *flags = value->data[0].v_uint;
+ *mask = value->data[1].v_uint;
+
+ return NULL;
+}
+
+/**
+ * gst_value_set_flagset:
+ * @value: a GValue initialized to %GST_TYPE_FLAG_SET
+ * @flags: The value of the flags set or unset
+ * @mask: The mask indicate which flags bits must match for comparisons
+ *
+ * Sets @value to the flags and mask values provided in @flags and @mask.
+ * The @flags value indicates the values of flags, the @mask represents
+ * which bits in the flag value have been set, and which are "don't care"
+ *
+ * Since: 1.6
+ */
+void
+gst_value_set_flagset (GValue * value, guint flags, guint mask)
+{
+ g_return_if_fail (GST_VALUE_HOLDS_FLAG_SET (value));
+
+ /* Normalise and only keep flags mentioned in the mask */
+ value->data[0].v_uint = flags & mask;
+ value->data[1].v_uint = mask;
+}
+
+/**
+ * gst_value_get_flagset_flags:
+ * @value: a GValue initialized to #GST_TYPE_FLAG_SET
+ *
+ * Retrieve the flags field of a GstFlagSet @value.
+ *
+ * Returns: the flags field of the flagset instance.
+ *
+ * Since: 1.6
+ */
+guint
+gst_value_get_flagset_flags (const GValue * value)
+{
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value), 0);
+
+ return value->data[0].v_uint;
+}
+
+/**
+ * gst_value_get_flagset_mask:
+ * @value: a GValue initialized to #GST_TYPE_FLAG_SET
+ *
+ * Retrieve the mask field of a GstFlagSet @value.
+ *
+ * Returns: the mask field of the flagset instance.
+ *
+ * Since: 1.6
+ */
+guint
+gst_value_get_flagset_mask (const GValue * value)
+{
+ g_return_val_if_fail (GST_VALUE_HOLDS_FLAG_SET (value), 1);
+
+ return value->data[1].v_uint;
+}
+
+static gchar *
+gst_value_serialize_flagset (const GValue * value)
+{
+ guint flags = value->data[0].v_uint;
+ guint mask = value->data[1].v_uint;
+ GstFlagSetClass *set_klass =
+ (GstFlagSetClass *) g_type_class_ref (G_VALUE_TYPE (value));
+ gchar *result;
+
+ result = g_strdup_printf ("%x:%x", flags, mask);
+
+ /* If this flag set class has an associated GFlags GType, and some
+ * bits in the mask, serialize the bits in human-readable form to
+ * aid debugging */
+ if (mask && set_klass->flags_type) {
+ GFlagsClass *flags_klass =
+ (GFlagsClass *) (g_type_class_ref (set_klass->flags_type));
+ GFlagsValue *fl;
+ gchar *tmp;
+ gboolean first = TRUE;
+
+ g_return_val_if_fail (flags_klass, NULL);
+
+ /* some bits in the mask are set, so serialize one by one, according
+ * to whether that bit is set or cleared in the flags value */
+ while (mask) {
+ fl = g_flags_get_first_value (flags_klass, mask);
+ if (fl == NULL) {
+ /* No more bits match in the flags mask - time to stop */
+ mask = 0;
+ break;
+ }
+
+ tmp = g_strconcat (result,
+ first ? ":" : "",
+ (flags & fl->value) ? "+" : "/", fl->value_nick, NULL);
+ g_free (result);
+ result = tmp;
+ first = FALSE;
+
+ /* clear flag */
+ mask &= ~fl->value;
+ }
+ g_type_class_unref (flags_klass);
+
+ }
+ g_type_class_unref (set_klass);
+
+ return result;
+}
+
+static gboolean
+is_valid_flags_string (const gchar * s)
+{
+ /* We're looking to match +this/that+other-thing/not-this-thing type strings */
+ return g_regex_match_simple ("^([\\+\\/][\\w\\d-]+)+$", s, G_REGEX_CASELESS,
+ 0);
+}
+
+static gboolean
+gst_value_deserialize_flagset (GValue * dest, const gchar * s)
+{
+ gboolean res = FALSE;
+ guint flags, mask;
+ gchar *cur, *next;
+
+ if (G_UNLIKELY (s == NULL))
+ return FALSE;
+
+ if (G_UNLIKELY (dest == NULL || !GST_VALUE_HOLDS_FLAG_SET (dest)))
+ return FALSE;
+
+ /* Flagset strings look like %x:%x - hex flags : hex bitmask,
+ * 32-bit each, or like a concatenated list of flag nicks,
+ * with either '+' or '/' in front. The first form
+ * may optionally be followed by ':' and a set of text flag descriptions
+ * for easier debugging */
+
+ /* Try and interpret as hex form first, as it's the most efficient */
+ /* Read the flags first */
+ flags = strtoul (s, &next, 16);
+ if (G_UNLIKELY ((flags == 0 && errno == EINVAL) || s == next))
+ goto try_as_flags_string;
+ /* Next char should be a colon */
+ if (next[0] == ':')
+ next++;
+
+ /* Read the mask */
+ cur = next;
+ mask = strtoul (cur, &next, 16);
+ if (G_UNLIKELY ((mask == 0 && errno == EINVAL) || cur == next))
+ goto try_as_flags_string;
+
+ /* Next char should be NULL terminator, or a ':'. If ':', we need the flag string after */
+ if (G_UNLIKELY (next[0] == 0)) {
+ res = TRUE;
+ goto done;
+ }
+
+ if (next[0] != ':')
+ return FALSE;
+
+ s = next + 1;
+
+ if (g_str_equal (g_type_name (G_VALUE_TYPE (dest)), "GstFlagSet")) {
+ /* If we're parsing a generic flag set, that can mean we're guessing
+ * at the type in deserialising a GstStructure so at least check that
+ * we have a valid-looking string, so we don't cause deserialisation of
+ * other types of strings like 00:01:00:00 - https://bugzilla.gnome.org/show_bug.cgi?id=779755 */
+ if (is_valid_flags_string (s)) {
+ res = TRUE;
+ goto done;
+ }
+ return FALSE;
+ }
+
+ /* Otherwise, we already got a hex string for a valid non-generic flagset type */
+ res = TRUE;
+ goto done;
+
+try_as_flags_string:
+
+ {
+ const gchar *set_class = g_type_name (G_VALUE_TYPE (dest));
+ GFlagsClass *flags_klass = NULL;
+ const gchar *end;
+
+ if (g_str_equal (set_class, "GstFlagSet")) {
+ /* There's no hope to parse the fields of generic flag set if we didn't already
+ * catch a hex-string above */
+ return FALSE;
+ }
+
+ /* Flags class is the FlagSet class with 'Set' removed from the end */
+ end = g_strrstr (set_class, "Set");
+
+ if (end != NULL) {
+ gchar *class_name = g_strndup (set_class, end - set_class);
+ GType flags_type = g_type_from_name (class_name);
+ if (flags_type == 0) {
+ GST_TRACE ("Looking for dynamic type %s", class_name);
+ gst_dynamic_type_factory_load (class_name);
+ }
+
+ if (flags_type != 0) {
+ flags_klass = g_type_class_ref (flags_type);
+ GST_TRACE ("Going to parse %s as %s", s, class_name);
+ }
+ g_free (class_name);
+ }
+
+ if (flags_klass) {
+ res = gst_value_gflags_str_to_flags (flags_klass, s, &flags, &mask);
+ g_type_class_unref (flags_klass);
+ }
+ }
+
+done:
+ if (res)
+ gst_value_set_flagset (dest, flags, mask);
+ return res;
+
+}
+
+static void
+gst_value_transform_flagset_string (const GValue * src_value,
+ GValue * dest_value)
+{
+ dest_value->data[0].v_pointer = gst_value_serialize_flagset (src_value);
+}
+
+static void
+gst_value_transform_string_flagset (const GValue * src_value,
+ GValue * dest_value)
+{
+ if (!gst_value_deserialize_flagset (dest_value, src_value->data[0].v_pointer)) {
+ /* If the deserialize fails, ensure we leave the flags in a
+ * valid, if incorrect, state */
+ gst_value_set_flagset (dest_value, 0, 0);
+ }
+}
+
+static gint
+gst_value_compare_flagset (const GValue * value1, const GValue * value2)
+{
+ guint v1, v2;
+ guint m1, m2;
+
+ v1 = value1->data[0].v_uint;
+ v2 = value2->data[0].v_uint;
+
+ m1 = value1->data[1].v_uint;
+ m2 = value2->data[1].v_uint;
+
+ if (v1 == v2 && m1 == m2)
+ return GST_VALUE_EQUAL;
+
+ return GST_VALUE_UNORDERED;
+}
/***********************
* GstAllocationParams *
}
static GTypeInfo _info = {
- 0,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- 0,
- 0,
- NULL,
- NULL,
+ 0, NULL, NULL, NULL, NULL, NULL, 0, 0, NULL, NULL,
};
static GTypeFundamentalInfo _finfo = {
0
};
-#define FUNC_VALUE_GET_TYPE(type, name) \
+#define FUNC_VALUE_GET_TYPE_CLASSED(type, name, csize, flags) \
GType _gst_ ## type ## _type = 0; \
\
GType gst_ ## type ## _get_type (void) \
\
if (g_once_init_enter (&gst_ ## type ## _type)) { \
GType _type; \
+ _info.class_size = csize; \
+ _finfo.type_flags = flags; \
_info.value_table = & _gst_ ## type ## _value_table; \
_type = g_type_register_fundamental ( \
g_type_fundamental_next (), \
name, &_info, &_finfo, 0); \
- _gst_ ## type ## _type = _type; \
+ _gst_ ## type ## _type = _type; \
g_once_init_leave(&gst_ ## type ## _type, _type); \
} \
\
return gst_ ## type ## _type; \
}
+#define FUNC_VALUE_GET_TYPE(type, name) \
+ FUNC_VALUE_GET_TYPE_CLASSED(type, name, 0, 0)
+
static const GTypeValueTable _gst_int_range_value_table = {
gst_value_init_int_range,
NULL,
gst_value_copy_int_range,
NULL,
(char *) "ii",
- gst_value_collect_int_range,
- (char *) "pp",
- gst_value_lcopy_int_range
+ gst_value_collect_int_range, (char *) "pp", gst_value_lcopy_int_range
};
FUNC_VALUE_GET_TYPE (int_range, "GstIntRange");
NULL,
(char *) "qq",
gst_value_collect_int64_range,
- (char *) "pp",
- gst_value_lcopy_int64_range
+ (char *) "pp", gst_value_lcopy_int64_range
};
FUNC_VALUE_GET_TYPE (int64_range, "GstInt64Range");
NULL,
(char *) "dd",
gst_value_collect_double_range,
- (char *) "pp",
- gst_value_lcopy_double_range
+ (char *) "pp", gst_value_lcopy_double_range
};
FUNC_VALUE_GET_TYPE (double_range, "GstDoubleRange");
NULL,
(char *) "iiii",
gst_value_collect_fraction_range,
- (char *) "pppp",
- gst_value_lcopy_fraction_range
+ (char *) "pppp", gst_value_lcopy_fraction_range
};
FUNC_VALUE_GET_TYPE (fraction_range, "GstFractionRange");
gst_value_list_or_array_peek_pointer,
(char *) "p",
gst_value_collect_list_or_array,
- (char *) "p",
- gst_value_lcopy_list_or_array
+ (char *) "p", gst_value_lcopy_list_or_array
};
FUNC_VALUE_GET_TYPE (value_list, "GstValueList");
gst_value_list_or_array_peek_pointer,
(char *) "p",
gst_value_collect_list_or_array,
- (char *) "p",
- gst_value_lcopy_list_or_array
+ (char *) "p", gst_value_lcopy_list_or_array
};
FUNC_VALUE_GET_TYPE (value_array, "GstValueArray");
gst_value_copy_fraction,
NULL,
(char *) "ii",
- gst_value_collect_fraction,
- (char *) "pp",
- gst_value_lcopy_fraction
+ gst_value_collect_fraction, (char *) "pp", gst_value_lcopy_fraction
};
FUNC_VALUE_GET_TYPE (fraction, "GstFraction");
gst_value_copy_bitmask,
NULL,
(char *) "q",
- gst_value_collect_bitmask,
- (char *) "p",
- gst_value_lcopy_bitmask
+ gst_value_collect_bitmask, (char *) "p", gst_value_lcopy_bitmask
};
FUNC_VALUE_GET_TYPE (bitmask, "GstBitmask");
+static const GTypeValueTable _gst_flagset_value_table = {
+ gst_value_init_flagset,
+ NULL,
+ gst_value_copy_flagset,
+ NULL,
+ (char *) "ii",
+ gst_value_collect_flagset, (char *) "pp", gst_value_lcopy_flagset
+};
+
+FUNC_VALUE_GET_TYPE_CLASSED (flagset, "GstFlagSet",
+ sizeof (GstFlagSetClass), G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_DERIVABLE);
+
GType
gst_g_thread_get_type (void)
{
-#if GLIB_CHECK_VERSION(2,35,3)
return G_TYPE_THREAD;
-#else
- static volatile gsize type_id = 0;
-
- if (g_once_init_enter (&type_id)) {
- GType tmp =
- g_boxed_type_register_static (g_intern_static_string ("GstGThread"),
- (GBoxedCopyFunc) g_thread_ref,
- (GBoxedFreeFunc) g_thread_unref);
- g_once_init_leave (&type_id, tmp);
- }
-
- return type_id;
-#endif
}
-void
-_priv_gst_value_initialize (void)
-{
- gst_value_table = g_array_new (FALSE, FALSE, sizeof (GstValueTable));
- gst_value_hash = g_hash_table_new (NULL, NULL);
- gst_value_union_funcs = g_array_new (FALSE, FALSE,
- sizeof (GstValueUnionInfo));
- gst_value_intersect_funcs = g_array_new (FALSE, FALSE,
- sizeof (GstValueIntersectInfo));
- gst_value_subtract_funcs = g_array_new (FALSE, FALSE,
- sizeof (GstValueSubtractInfo));
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_int_range,
- gst_value_serialize_int_range,
- gst_value_deserialize_int_range,
- };
-
- gst_value.type = gst_int_range_get_type ();
- gst_value_register (&gst_value);
- }
+#define SERIAL_VTABLE(t,c,s,d) { t, c, s, d }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_int64_range,
- gst_value_serialize_int64_range,
- gst_value_deserialize_int64_range,
- };
-
- gst_value.type = gst_int64_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_double_range,
- gst_value_serialize_double_range,
- gst_value_deserialize_double_range,
- };
-
- gst_value.type = gst_double_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_fraction_range,
- gst_value_serialize_fraction_range,
- gst_value_deserialize_fraction_range,
- };
-
- gst_value.type = gst_fraction_range_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_list,
- gst_value_serialize_list,
- gst_value_deserialize_list,
- };
-
- gst_value.type = gst_value_list_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_array,
- gst_value_serialize_array,
- gst_value_deserialize_array,
- };
-
- gst_value.type = gst_value_array_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
-#if 0
- static const GTypeValueTable value_table = {
- gst_value_init_buffer,
- NULL,
- gst_value_copy_buffer,
- NULL,
- "i",
- NULL, /*gst_value_collect_buffer, */
- "p",
- NULL /*gst_value_lcopy_buffer */
- };
-#endif
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_buffer,
- gst_value_serialize_buffer,
- gst_value_deserialize_buffer,
- };
-
- gst_value.type = GST_TYPE_BUFFER;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_sample,
- gst_value_serialize_sample,
- gst_value_deserialize_sample,
- };
-
- gst_value.type = GST_TYPE_SAMPLE;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_fraction,
- gst_value_serialize_fraction,
- gst_value_deserialize_fraction,
- };
-
- gst_value.type = gst_fraction_get_type ();
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_caps,
- gst_value_serialize_caps,
- gst_value_deserialize_caps,
- };
-
- gst_value.type = GST_TYPE_CAPS;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- NULL,
- gst_value_serialize_segment,
- gst_value_deserialize_segment,
- };
-
- gst_value.type = GST_TYPE_SEGMENT;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- NULL,
- gst_value_serialize_structure,
- gst_value_deserialize_structure,
- };
-
- gst_value.type = GST_TYPE_STRUCTURE;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- NULL,
- gst_value_serialize_caps_features,
- gst_value_deserialize_caps_features,
- };
-
- gst_value.type = GST_TYPE_CAPS_FEATURES;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_tag_list,
- gst_value_serialize_tag_list,
- gst_value_deserialize_tag_list,
- };
-
- gst_value.type = GST_TYPE_TAG_LIST;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_date,
- gst_value_serialize_date,
- gst_value_deserialize_date,
- };
-
- gst_value.type = G_TYPE_DATE;
- gst_value_register (&gst_value);
- }
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_date_time,
- gst_value_serialize_date_time,
- gst_value_deserialize_date_time,
- };
-
- gst_value.type = gst_date_time_get_type ();
- 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);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_allocation_params,
- NULL,
- NULL,
- };
-
- gst_value.type = gst_allocation_params_get_type ();
- gst_value_register (&gst_value);
- }
-
- {
- static GstValueTable gst_value = {
- 0,
- gst_value_compare_object,
- NULL,
- NULL,
- };
-
- gst_value.type = G_TYPE_OBJECT;
- gst_value_register (&gst_value);
- }
-
- REGISTER_SERIALIZATION (G_TYPE_DOUBLE, double);
- REGISTER_SERIALIZATION (G_TYPE_FLOAT, float);
+#define REGISTER_SERIALIZATION_CONST(_gtype, _type) \
+G_STMT_START { \
+ static const GstValueTable gst_value = \
+ SERIAL_VTABLE (_gtype, gst_value_compare_ ## _type, \
+ gst_value_serialize_ ## _type, gst_value_deserialize_ ## _type); \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_STRING, string);
- REGISTER_SERIALIZATION (G_TYPE_BOOLEAN, boolean);
- REGISTER_SERIALIZATION (G_TYPE_ENUM, enum);
+#define REGISTER_SERIALIZATION(_gtype, _type) \
+G_STMT_START { \
+ static GstValueTable gst_value = \
+ SERIAL_VTABLE (0, gst_value_compare_ ## _type, \
+ gst_value_serialize_ ## _type, gst_value_deserialize_ ## _type); \
+ gst_value.type = _gtype; \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_FLAGS, flags);
+#define REGISTER_SERIALIZATION_NO_COMPARE(_gtype, _type) \
+G_STMT_START { \
+ static GstValueTable gst_value = \
+ SERIAL_VTABLE (0, NULL, \
+ gst_value_serialize_ ## _type, gst_value_deserialize_ ## _type); \
+ gst_value.type = _gtype; \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_INT, int);
+#define REGISTER_SERIALIZATION_COMPARE_ONLY(_gtype, _type) \
+G_STMT_START { \
+ static GstValueTable gst_value = \
+ SERIAL_VTABLE (0, gst_value_compare_ ## _type, \
+ NULL, NULL); \
+ gst_value.type = _gtype; \
+ gst_value_register (&gst_value); \
+} G_STMT_END
- REGISTER_SERIALIZATION (G_TYPE_INT64, int64);
- REGISTER_SERIALIZATION (G_TYPE_LONG, long);
+/* These initial sizes are used for the tables
+ * below, and save a couple of reallocs at startup */
- REGISTER_SERIALIZATION (G_TYPE_UINT, uint);
- REGISTER_SERIALIZATION (G_TYPE_UINT64, uint64);
- REGISTER_SERIALIZATION (G_TYPE_ULONG, ulong);
+static const gint GST_VALUE_TABLE_DEFAULT_SIZE = 40;
+static const gint GST_VALUE_UNION_TABLE_DEFAULT_SIZE = 8;
+static const gint GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE = 16;
+static const gint GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE = 16;
- REGISTER_SERIALIZATION (G_TYPE_UCHAR, uchar);
+void
+_priv_gst_value_initialize (void)
+{
+ gst_value_table =
+ g_array_sized_new (FALSE, FALSE, sizeof (GstValueTable),
+ GST_VALUE_TABLE_DEFAULT_SIZE);
+ gst_value_hash = g_hash_table_new (NULL, NULL);
+ gst_value_union_funcs = g_array_sized_new (FALSE, FALSE,
+ sizeof (GstValueUnionInfo), GST_VALUE_UNION_TABLE_DEFAULT_SIZE);
+ gst_value_intersect_funcs = g_array_sized_new (FALSE, FALSE,
+ sizeof (GstValueIntersectInfo), GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE);
+ gst_value_subtract_funcs = g_array_sized_new (FALSE, FALSE,
+ sizeof (GstValueSubtractInfo), GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE);
+
+ REGISTER_SERIALIZATION (gst_int_range_get_type (), int_range);
+ REGISTER_SERIALIZATION (gst_int64_range_get_type (), int64_range);
+ REGISTER_SERIALIZATION (gst_double_range_get_type (), double_range);
+ REGISTER_SERIALIZATION (gst_fraction_range_get_type (), fraction_range);
+ REGISTER_SERIALIZATION (gst_value_list_get_type (), value_list);
+ REGISTER_SERIALIZATION (gst_value_array_get_type (), value_array);
+ REGISTER_SERIALIZATION (g_value_array_get_type (), g_value_array);
+ REGISTER_SERIALIZATION (gst_buffer_get_type (), buffer);
+ REGISTER_SERIALIZATION (gst_sample_get_type (), sample);
+ REGISTER_SERIALIZATION (gst_fraction_get_type (), fraction);
+ REGISTER_SERIALIZATION (gst_caps_get_type (), caps);
+ REGISTER_SERIALIZATION (gst_tag_list_get_type (), tag_list);
+ REGISTER_SERIALIZATION (G_TYPE_DATE, date);
+ REGISTER_SERIALIZATION (gst_date_time_get_type (), date_time);
+ REGISTER_SERIALIZATION (gst_bitmask_get_type (), bitmask);
+ REGISTER_SERIALIZATION (gst_structure_get_type (), structure);
+ REGISTER_SERIALIZATION (gst_flagset_get_type (), flagset);
+
+ REGISTER_SERIALIZATION_NO_COMPARE (gst_segment_get_type (), segment);
+ REGISTER_SERIALIZATION_NO_COMPARE (gst_caps_features_get_type (),
+ caps_features);
+
+ REGISTER_SERIALIZATION_COMPARE_ONLY (gst_allocation_params_get_type (),
+ allocation_params);
+ REGISTER_SERIALIZATION_COMPARE_ONLY (G_TYPE_OBJECT, object);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_DOUBLE, double);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_FLOAT, float);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_STRING, string);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_BOOLEAN, boolean);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_ENUM, enum);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_FLAGS, gflags);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_INT, int);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_INT64, int64);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_LONG, long);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_UINT, uint);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_UINT64, uint64);
+ REGISTER_SERIALIZATION_CONST (G_TYPE_ULONG, ulong);
+
+ REGISTER_SERIALIZATION_CONST (G_TYPE_UCHAR, uchar);
+
+ REGISTER_SERIALIZATION (G_TYPE_GTYPE, gtype);
g_value_register_transform_func (GST_TYPE_INT_RANGE, G_TYPE_STRING,
gst_value_transform_int_range_string);
gst_value_transform_fraction_range_string);
g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_STRING,
gst_value_transform_list_string);
+ g_value_register_transform_func (GST_TYPE_LIST, G_TYPE_VALUE_ARRAY,
+ gst_value_transform_any_list_g_value_array);
g_value_register_transform_func (GST_TYPE_ARRAY, G_TYPE_STRING,
gst_value_transform_array_string);
+ g_value_register_transform_func (GST_TYPE_ARRAY, G_TYPE_VALUE_ARRAY,
+ gst_value_transform_any_list_g_value_array);
+ g_value_register_transform_func (G_TYPE_VALUE_ARRAY, G_TYPE_STRING,
+ gst_value_transform_g_value_array_string);
+ g_value_register_transform_func (G_TYPE_VALUE_ARRAY, GST_TYPE_ARRAY,
+ gst_value_transform_g_value_array_any_list);
+ g_value_register_transform_func (G_TYPE_VALUE_ARRAY, GST_TYPE_LIST,
+ gst_value_transform_g_value_array_any_list);
g_value_register_transform_func (GST_TYPE_FRACTION, G_TYPE_STRING,
gst_value_transform_fraction_string);
g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_FRACTION,
g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_BITMASK,
gst_value_transform_string_bitmask);
+ g_value_register_transform_func (GST_TYPE_FLAG_SET, G_TYPE_STRING,
+ gst_value_transform_flagset_string);
+ g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_FLAG_SET,
+ gst_value_transform_string_flagset);
+
gst_value_register_intersect_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
gst_value_intersect_int_int_range);
gst_value_register_intersect_func (GST_TYPE_INT_RANGE, GST_TYPE_INT_RANGE,
gst_value_intersect_int_range_int_range);
gst_value_register_intersect_func (G_TYPE_INT64, GST_TYPE_INT64_RANGE,
gst_value_intersect_int64_int64_range);
- gst_value_register_intersect_func (GST_TYPE_INT64_RANGE, GST_TYPE_INT64_RANGE,
- gst_value_intersect_int64_range_int64_range);
+ gst_value_register_intersect_func (GST_TYPE_INT64_RANGE,
+ GST_TYPE_INT64_RANGE, gst_value_intersect_int64_range_int64_range);
gst_value_register_intersect_func (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE,
gst_value_intersect_double_double_range);
gst_value_register_intersect_func (GST_TYPE_DOUBLE_RANGE,
GST_TYPE_DOUBLE_RANGE, gst_value_intersect_double_range_double_range);
- gst_value_register_intersect_func (GST_TYPE_ARRAY,
- GST_TYPE_ARRAY, gst_value_intersect_array);
- gst_value_register_intersect_func (GST_TYPE_FRACTION, GST_TYPE_FRACTION_RANGE,
- gst_value_intersect_fraction_fraction_range);
+ gst_value_register_intersect_func (GST_TYPE_ARRAY, GST_TYPE_ARRAY,
+ gst_value_intersect_array);
+ gst_value_register_intersect_func (GST_TYPE_FRACTION,
+ GST_TYPE_FRACTION_RANGE, gst_value_intersect_fraction_fraction_range);
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_FLAG_SET, GST_TYPE_FLAG_SET,
+ gst_value_intersect_flagset_flagset);
+ gst_value_register_intersect_func (GST_TYPE_STRUCTURE, GST_TYPE_STRUCTURE,
+ gst_value_intersect_structure_structure);
gst_value_register_subtract_func (G_TYPE_INT, GST_TYPE_INT_RANGE,
gst_value_subtract_int_int_range);
gst_value_subtract_int64_int64_range);
gst_value_register_subtract_func (GST_TYPE_INT64_RANGE, G_TYPE_INT64,
gst_value_subtract_int64_range_int64);
- gst_value_register_subtract_func (GST_TYPE_INT64_RANGE, GST_TYPE_INT64_RANGE,
- gst_value_subtract_int64_range_int64_range);
+ gst_value_register_subtract_func (GST_TYPE_INT64_RANGE,
+ GST_TYPE_INT64_RANGE, gst_value_subtract_int64_range_int64_range);
gst_value_register_subtract_func (G_TYPE_DOUBLE, GST_TYPE_DOUBLE_RANGE,
gst_value_subtract_double_double_range);
gst_value_register_subtract_func (GST_TYPE_DOUBLE_RANGE, G_TYPE_DOUBLE,
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,
- gst_value_subtract_fraction_range_fraction);
+ 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, gst_value_subtract_fraction_range_fraction);
gst_value_register_subtract_func (GST_TYPE_FRACTION_RANGE,
GST_TYPE_FRACTION_RANGE,
gst_value_subtract_fraction_range_fraction_range);
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_FLAG_SET, GST_TYPE_FLAG_SET,
+ gst_value_union_flagset_flagset);
+ gst_value_register_union_func (GST_TYPE_STRUCTURE, GST_TYPE_STRUCTURE,
+ gst_value_union_structure_structure);
+
+#if GST_VERSION_NANO == 1
+ /* If building from git master, check starting array sizes matched actual size
+ * so we can keep the defines in sync and save a few reallocs on startup */
+ if (gst_value_table->len > GST_VALUE_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_table size. "
+ "Please set GST_VALUE_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_table->len);
+ }
+ if (gst_value_union_funcs->len > GST_VALUE_UNION_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_union_funcs table size. "
+ "Please set GST_VALUE_UNION_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_union_funcs->len);
+ }
+ if (gst_value_intersect_funcs->len > GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_intersect_funcs table size. "
+ "Please set GST_VALUE_INTERSECT_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_intersect_funcs->len);
+ }
+ if (gst_value_subtract_funcs->len > GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE) {
+ GST_ERROR ("Wrong initial gst_value_subtract_funcs table size. "
+ "Please set GST_VALUE_SUBTRACT_TABLE_DEFAULT_SIZE to %u in gstvalue.c",
+ gst_value_subtract_funcs->len);
+ }
+#endif
#if 0
/* Implement these if needed */
GST_TYPE_FRACTION_RANGE, gst_value_union_fraction_range_fraction_range);
#endif
}
+
+static void
+gst_flagset_class_init (gpointer g_class, gpointer class_data)
+{
+ GstFlagSetClass *f_class = (GstFlagSetClass *) (g_class);
+ f_class->flags_type = (GType) GPOINTER_TO_SIZE (class_data);
+}
+
+/**
+ * gst_flagset_register:
+ * @flags_type: a #GType of a #G_TYPE_FLAGS type.
+ *
+ * Create a new sub-class of #GST_TYPE_FLAG_SET
+ * which will pretty-print the human-readable flags
+ * when serializing, for easier debugging.
+ *
+ * Since: 1.6
+ */
+GType
+gst_flagset_register (GType flags_type)
+{
+ GTypeInfo info = {
+ sizeof (GstFlagSetClass),
+ NULL, NULL,
+ (GClassInitFunc) gst_flagset_class_init,
+ NULL, GSIZE_TO_POINTER (flags_type), 0, 0, NULL, NULL
+ };
+ GType t;
+ gchar *class_name;
+
+ g_return_val_if_fail (G_TYPE_IS_FLAGS (flags_type), 0);
+
+ class_name = g_strdup_printf ("%sSet", g_type_name (flags_type));
+
+ t = g_type_register_static (GST_TYPE_FLAG_SET,
+ g_intern_string (class_name), &info, 0);
+ g_free (class_name);
+
+ return t;
+}
projects / platform / upstream / gstreamer.git / blobdiff