*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
*
* Note that operations on the same #GValue from multiple threads may lead to
* undefined behaviour.
- *
- * Last reviewed on 2008-03-11 (0.10.18)
*/
#ifdef HAVE_CONFIG_H
*
* Used by gst_value_intersect() to perform intersection for a specific #GValue
* type. If the intersection is non-empty, the result is
- * placed in @dest and TRUE is returned. If the intersection is
- * empty, @dest is unmodified and FALSE is returned.
+ * placed in @dest and %TRUE is returned. If the intersection is
+ * empty, @dest is unmodified and %FALSE is returned.
* Register a new implementation with gst_value_register_intersect_func().
*
* Returns: %TRUE if the values can intersect
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);
+static void _gst_value_list_append_and_take_value (GValue * value,
+ GValue * append_value);
+static void _gst_value_array_append_and_take_value (GValue * value,
+ GValue * append_value);
+
static inline GstValueTable *
gst_value_hash_lookup_type (GType type)
{
for (i = 0; i < alen; i++) {
v = &g_array_index (array, GValue, i);
s_val = gst_value_serialize (v);
- g_string_append (s, s_val);
- g_free (s_val);
- if (i < alen - 1) {
- g_string_append_len (s, ", ", 2);
+ 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 FALSE;
}
+static inline void
+_gst_value_list_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
+ memset (append_value, 0, sizeof (GValue));
+}
+
+/**
+ * gst_value_list_append_and_take_value:
+ * @value: a #GValue of type #GST_TYPE_LIST
+ * @append_value: (transfer full): the value to append
+ *
+ * Appends @append_value to the GstValueList in @value.
+ *
+ * Since: 1.2
+ */
+void
+gst_value_list_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_return_if_fail (GST_VALUE_HOLDS_LIST (value));
+ g_return_if_fail (G_IS_VALUE (append_value));
+ g_return_if_fail (gst_value_list_or_array_are_compatible (value,
+ append_value));
+
+ _gst_value_list_append_and_take_value (value, append_value);
+}
+
/**
* gst_value_list_append_value:
* @value: a #GValue of type #GST_TYPE_LIST
- * @append_value: the value to append
+ * @append_value: (transfer none): the value to append
*
* Appends @append_value to the GstValueList in @value.
*/
* The result will be put into @dest and will either be a list that will not
* contain any duplicates, or a non-list type (if @value1 and @value2
* were equal).
- *
- * Since: 0.10.32
*/
void
gst_value_list_merge (GValue * dest, const GValue * value1,
g_array_append_vals ((GArray *) value->data[0].v_pointer, &val, 1);
}
+static inline void
+_gst_value_array_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_array_append_vals ((GArray *) value->data[0].v_pointer, append_value, 1);
+ memset (append_value, 0, sizeof (GValue));
+}
+
+/**
+ * gst_value_array_append_and_take_value:
+ * @value: a #GValue of type #GST_TYPE_ARRAY
+ * @append_value: (transfer full): the value to append
+ *
+ * Appends @append_value to the GstValueArray in @value.
+ *
+ * Since: 1.2
+ */
+void
+gst_value_array_append_and_take_value (GValue * value, GValue * append_value)
+{
+ g_return_if_fail (GST_VALUE_HOLDS_ARRAY (value));
+ g_return_if_fail (G_IS_VALUE (append_value));
+ g_return_if_fail (gst_value_list_or_array_are_compatible (value,
+ append_value));
+
+ _gst_value_array_append_and_take_value (value, append_value);
+}
+
/**
* gst_value_array_prepend_value:
* @value: a #GValue of type #GST_TYPE_ARRAY
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maxumum of the range
+ * Returns: the maximum of the range
*/
gint
gst_value_get_int_range_max (const GValue * value)
and bounds lie on the same value */
if (n1 > 1) {
if (INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
- INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2) &&
- INT_RANGE_STEP (value1) == INT_RANGE_STEP (value2)) {
+ INT_RANGE_MIN (value1) == INT_RANGE_MIN (value2) &&
+ INT_RANGE_MAX (value1) == INT_RANGE_MAX (value2)) {
return GST_VALUE_EQUAL;
}
return GST_VALUE_UNORDERED;
* @step: the step of the range
*
* Sets @value to the range specified by @start, @end and @step.
- *
- * Since: 0.11.0
*/
void
gst_value_set_int64_range_step (GValue * value, gint64 start, gint64 end,
* @end: the end of the range
*
* Sets @value to the range specified by @start and @end.
- *
- * Since: 0.10.31
*/
void
gst_value_set_int64_range (GValue * value, gint64 start, gint64 end)
* Gets the minimum of the range specified by @value.
*
* Returns: the minimum of the range
- *
- * Since: 0.10.31
*/
gint64
gst_value_get_int64_range_min (const GValue * value)
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maxumum of the range
- *
- * Since: 0.10.31
+ * Returns: the maximum of the range
*/
gint64
gst_value_get_int64_range_max (const GValue * value)
* Gets the step of the range specified by @value.
*
* Returns: the step of the range
- *
- * Since: 0.11.0
*/
gint64
gst_value_get_int64_range_step (const GValue * value)
and bounds lie on the same value */
if (n1 > 1) {
if (INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
- INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2) &&
- INT64_RANGE_STEP (value1) == INT64_RANGE_STEP (value2)) {
+ INT64_RANGE_MIN (value1) == INT64_RANGE_MIN (value2) &&
+ INT64_RANGE_MAX (value1) == INT64_RANGE_MAX (value2)) {
return GST_VALUE_EQUAL;
}
return GST_VALUE_UNORDERED;
*
* Gets the maximum of the range specified by @value.
*
- * Returns: the maxumum of the range
+ * Returns: the maximum of the range
*/
gdouble
gst_value_get_double_range_max (const GValue * value)
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)
+ value2->data[1].v_double == value1->data[1].v_double)
return GST_VALUE_EQUAL;
return GST_VALUE_UNORDERED;
}
return (GstCaps *) g_value_get_boxed (value);
}
+static gint
+gst_value_compare_caps (const GValue * value1, const GValue * value2)
+{
+ GstCaps *caps1 = GST_CAPS (gst_value_get_caps (value1));
+ GstCaps *caps2 = GST_CAPS (gst_value_get_caps (value2));
+
+ if (gst_caps_is_equal (caps1, caps2))
+ return GST_VALUE_EQUAL;
+ return GST_VALUE_UNORDERED;
+}
+
static gchar *
gst_value_serialize_caps (const GValue * value)
{
GstCaps *caps = g_value_get_boxed (value);
-
- return gst_caps_to_string (caps);
+ return gst_string_take_and_wrap (gst_caps_to_string (caps));
}
static gboolean
{
GstCaps *caps;
- caps = gst_caps_from_string (s);
+ if (*s != '"') {
+ caps = gst_caps_from_string (s);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
+
+ caps = gst_caps_from_string (str);
+ g_free (str);
+ }
if (caps) {
g_value_take_boxed (dest, caps);
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;
+ }
+ 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 *
****************/
* @structure: the structure to set the value to
*
* Sets the contents of @value to @structure. The actual
- *
- * Since: 0.10.15
*/
void
gst_value_set_structure (GValue * value, const GstStructure * structure)
* Gets the contents of @value.
*
* Returns: (transfer none): the contents of @value
- *
- * Since: 0.10.15
*/
const GstStructure *
gst_value_get_structure (const GValue * value)
return FALSE;
}
+/*******************
+ * GstCapsFeatures *
+ *******************/
+
+/**
+ * gst_value_set_caps_features:
+ * @value: a GValue initialized to GST_TYPE_CAPS_FEATURES
+ * @features: the features to set the value to
+ *
+ * Sets the contents of @value to @features.
+ */
+void
+gst_value_set_caps_features (GValue * value, const GstCapsFeatures * features)
+{
+ g_return_if_fail (G_IS_VALUE (value));
+ g_return_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS_FEATURES);
+ g_return_if_fail (features == NULL || GST_IS_CAPS_FEATURES (features));
+
+ g_value_set_boxed (value, features);
+}
+
+/**
+ * gst_value_get_caps_features:
+ * @value: a GValue initialized to GST_TYPE_CAPS_FEATURES
+ *
+ * Gets the contents of @value.
+ *
+ * Returns: (transfer none): the contents of @value
+ */
+const GstCapsFeatures *
+gst_value_get_caps_features (const GValue * value)
+{
+ g_return_val_if_fail (G_IS_VALUE (value), NULL);
+ g_return_val_if_fail (G_VALUE_TYPE (value) == GST_TYPE_CAPS_FEATURES, NULL);
+
+ return (GstCapsFeatures *) g_value_get_boxed (value);
+}
+
+static gchar *
+gst_value_serialize_caps_features (const GValue * value)
+{
+ GstCapsFeatures *features = g_value_get_boxed (value);
+
+ return gst_string_take_and_wrap (gst_caps_features_to_string (features));
+}
+
+static gboolean
+gst_value_deserialize_caps_features (GValue * dest, const gchar * s)
+{
+ GstCapsFeatures *features;
+
+ if (*s != '"') {
+ features = gst_caps_features_from_string (s);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
+
+ features = gst_caps_features_from_string (str);
+ g_free (str);
+ }
+
+ if (G_LIKELY (features)) {
+ g_value_take_boxed (dest, features);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**************
+ * GstTagList *
+ **************/
+
+static gboolean
+gst_value_deserialize_tag_list (GValue * dest, const gchar * s)
+{
+ GstTagList *taglist;
+
+ if (*s != '"') {
+ taglist = gst_tag_list_new_from_string (s);
+ } else {
+ gchar *str = gst_string_unwrap (s);
+
+ if (G_UNLIKELY (!str))
+ return FALSE;
+
+ taglist = gst_tag_list_new_from_string (str);
+ g_free (str);
+ }
+
+ if (G_LIKELY (taglist != NULL)) {
+ g_value_take_boxed (dest, taglist);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static gchar *
+gst_value_serialize_tag_list (const GValue * value)
+{
+ GstTagList *taglist = g_value_get_boxed (value);
+
+ return gst_string_take_and_wrap (gst_tag_list_to_string (taglist));
+}
+
+
/*************
* GstBuffer *
*************/
static gint
-gst_value_compare_buffer (const GValue * value1, const GValue * value2)
+compare_buffer (GstBuffer * buf1, GstBuffer * buf2)
{
- GstBuffer *buf1 = gst_value_get_buffer (value1);
- GstBuffer *buf2 = gst_value_get_buffer (value2);
gsize size1, size2;
GstMapInfo info1, info2;
- gint result = GST_VALUE_UNORDERED;
+ gint result, mret;
+
+ if (buf1 == buf2)
+ return GST_VALUE_EQUAL;
size1 = gst_buffer_get_size (buf1);
size2 = gst_buffer_get_size (buf2);
return GST_VALUE_UNORDERED;
if (!gst_buffer_map (buf2, &info2, GST_MAP_READ)) {
- gst_buffer_unmap (buf1, &info2);
+ gst_buffer_unmap (buf1, &info1);
return GST_VALUE_UNORDERED;
}
- if (memcmp (info1.data, info2.data, info1.size) == 0)
+ mret = memcmp (info1.data, info2.data, info1.size);
+ if (mret == 0)
result = GST_VALUE_EQUAL;
+ else if (mret < 0)
+ result = GST_VALUE_LESS_THAN;
+ else
+ result = GST_VALUE_GREATER_THAN;
- gst_buffer_unmap (buf2, &info1);
- gst_buffer_unmap (buf1, &info2);
+ gst_buffer_unmap (buf1, &info1);
+ gst_buffer_unmap (buf2, &info2);
return result;
}
+static gint
+gst_value_compare_buffer (const GValue * value1, const GValue * value2)
+{
+ GstBuffer *buf1 = gst_value_get_buffer (value1);
+ GstBuffer *buf2 = gst_value_get_buffer (value2);
+
+ return compare_buffer (buf1, buf2);
+}
+
static gchar *
gst_value_serialize_buffer (const GValue * value)
{
}
}
+/*************
+ * GstSample *
+ *************/
+
+/* This function is mostly used for comparing image/buffer tags in taglists */
+static gint
+gst_value_compare_sample (const GValue * value1, const GValue * value2)
+{
+ GstBuffer *buf1 = gst_sample_get_buffer (gst_value_get_sample (value1));
+ GstBuffer *buf2 = gst_sample_get_buffer (gst_value_get_sample (value2));
+
+ /* FIXME: should we take into account anything else such as caps? */
+ return compare_buffer (buf1, buf2);
+}
+
+static gchar *
+gst_value_serialize_sample (const GValue * value)
+{
+ const GstStructure *info_structure;
+ GstSegment *segment;
+ GstBuffer *buffer;
+ GstCaps *caps;
+ GstSample *sample;
+ GValue val = { 0, };
+ gchar *info_str, *caps_str, *tmp;
+ gchar *buf_str, *seg_str, *s;
+
+ sample = g_value_get_boxed (value);
+
+ buffer = gst_sample_get_buffer (sample);
+ if (buffer) {
+ g_value_init (&val, GST_TYPE_BUFFER);
+ g_value_set_boxed (&val, buffer);
+ buf_str = gst_value_serialize_buffer (&val);
+ g_value_unset (&val);
+ } else {
+ buf_str = g_strdup ("None");
+ }
+
+ caps = gst_sample_get_caps (sample);
+ if (caps) {
+ tmp = gst_caps_to_string (caps);
+ caps_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
+ g_strdelimit (caps_str, "=", '_');
+ g_free (tmp);
+ } else {
+ caps_str = g_strdup ("None");
+ }
+
+ segment = gst_sample_get_segment (sample);
+ if (segment) {
+ g_value_init (&val, GST_TYPE_SEGMENT);
+ g_value_set_boxed (&val, segment);
+ tmp = gst_value_serialize_segment_internal (&val, FALSE);
+ seg_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
+ g_strdelimit (seg_str, "=", '_');
+ g_free (tmp);
+ g_value_unset (&val);
+ } else {
+ seg_str = g_strdup ("None");
+ }
+
+ info_structure = gst_sample_get_info (sample);
+ if (info_structure) {
+ tmp = gst_structure_to_string (info_structure);
+ info_str = g_base64_encode ((guchar *) tmp, strlen (tmp) + 1);
+ g_strdelimit (info_str, "=", '_');
+ g_free (tmp);
+ } else {
+ info_str = g_strdup ("None");
+ }
+
+ s = g_strconcat (buf_str, ":", caps_str, ":", seg_str, ":", info_str, NULL);
+ g_free (buf_str);
+ g_free (caps_str);
+ g_free (seg_str);
+ g_free (info_str);
+
+ return s;
+}
+
+static gboolean
+gst_value_deserialize_sample (GValue * dest, const gchar * s)
+{
+ GValue bval = G_VALUE_INIT, sval = G_VALUE_INIT;
+ GstStructure *info;
+ GstSample *sample;
+ GstCaps *caps;
+ gboolean ret = FALSE;
+ gchar **fields;
+ gsize outlen;
+ gint len;
+
+ GST_TRACE ("deserialize '%s'", s);
+
+ fields = g_strsplit (s, ":", -1);
+ len = g_strv_length (fields);
+ if (len != 4)
+ goto wrong_length;
+
+ g_value_init (&bval, GST_TYPE_BUFFER);
+ g_value_init (&sval, GST_TYPE_SEGMENT);
+
+ if (!gst_value_deserialize_buffer (&bval, fields[0]))
+ goto fail;
+
+ if (strcmp (fields[1], "None") != 0) {
+ g_strdelimit (fields[1], "_", '=');
+ g_base64_decode_inplace (fields[1], &outlen);
+ GST_TRACE ("caps : %s", fields[1]);
+ caps = gst_caps_from_string (fields[1]);
+ if (caps == NULL)
+ goto fail;
+ } else {
+ caps = NULL;
+ }
+
+ if (strcmp (fields[2], "None") != 0) {
+ g_strdelimit (fields[2], "_", '=');
+ g_base64_decode_inplace (fields[2], &outlen);
+ GST_TRACE ("segment : %s", fields[2]);
+ if (!gst_value_deserialize_segment (&sval, fields[2]))
+ goto fail;
+ }
+
+ if (strcmp (fields[3], "None") != 0) {
+ g_strdelimit (fields[3], "_", '=');
+ g_base64_decode_inplace (fields[3], &outlen);
+ GST_TRACE ("info : %s", fields[3]);
+ info = gst_structure_from_string (fields[3], NULL);
+ if (info == NULL)
+ goto fail;
+ } else {
+ info = NULL;
+ }
+
+ sample = gst_sample_new (gst_value_get_buffer (&bval), caps,
+ g_value_get_boxed (&sval), info);
+
+ g_value_take_boxed (dest, sample);
+
+ if (caps)
+ gst_caps_unref (caps);
+
+ ret = TRUE;
+
+fail:
+
+ g_value_unset (&bval);
+ g_value_unset (&sval);
+
+wrong_length:
+
+ g_strfreev (fields);
+
+ return ret;
+}
/***********
* boolean *
{
gboolean ret = FALSE;
gchar *end;
- gint64 mask = -1;
+ guint64 mask = ~0;
errno = 0;
*to = g_ascii_strtoull (s, &end, 0);
* 0->3, y is copied unescaped.
*
* If \xyy is found where x is an octal number but y is not, an
- * error is encountered and NULL is returned.
+ * error is encountered and %NULL is returned.
*
* the input string must be \0 terminated.
*/
found = gst_iterator_find_custom (iter,
(GCompareFunc) gst_value_deserialize_enum_iter_cmp, &res, (gpointer) s);
- g_return_val_if_fail (found, FALSE);
- format_def = g_value_get_pointer (&res);
- g_return_val_if_fail (format_def != NULL, FALSE);
- g_value_set_enum (dest, (gint) format_def->value);
- g_value_unset (&res);
+ if (found) {
+ format_def = g_value_get_pointer (&res);
+ g_return_val_if_fail (format_def != NULL, FALSE);
+ g_value_set_enum (dest, (gint) format_def->value);
+ g_value_unset (&res);
+ }
gst_iterator_free (iter);
- return TRUE;
+ return found;
}
- g_return_val_if_fail (en, FALSE);
+ /* enum name/nick not found */
+ if (en == NULL)
+ return FALSE;
+
g_value_set_enum (dest, en->value);
return TRUE;
}
/* if no flags are set, try to serialize to the _NONE string */
if (!flags) {
fl = g_flags_get_first_value (klass, flags);
- return g_strdup (fl->value_name);
+ if (fl)
+ return g_strdup (fl->value_name);
+ else
+ return g_strdup ("0");
}
/* some flags are set, so serialize one by one */
return FALSE;
}
+#define INT64_RANGE_MIN_VAL(v) (INT64_RANGE_MIN (v) * INT64_RANGE_STEP (v))
+#define INT64_RANGE_MAX_VAL(v) (INT64_RANGE_MAX (v) * INT64_RANGE_STEP (v))
+
static gboolean
gst_value_intersect_int64_int64_range (GValue * dest, const GValue * src1,
const GValue * src2)
{
- if (INT64_RANGE_MIN (src2) * INT64_RANGE_STEP (src2) <= src1->data[0].v_int &&
- INT64_RANGE_MAX (src2) * INT64_RANGE_STEP (src2) >= src1->data[0].v_int &&
- src1->data[0].v_int % INT64_RANGE_STEP (src2) == 0) {
+ if (INT64_RANGE_MIN_VAL (src2) <= src1->data[0].v_int64 &&
+ INT64_RANGE_MAX_VAL (src2) >= src1->data[0].v_int64 &&
+ src1->data[0].v_int64 % INT64_RANGE_STEP (src2) == 0) {
if (dest)
gst_value_init_and_copy (dest, src1);
return TRUE;
if (gst_value_intersect (&intersection, cur, value2)) {
/* append value */
if (!ret) {
- gst_value_init_and_copy (dest, &intersection);
+ gst_value_move (dest, &intersection);
ret = TRUE;
} else if (GST_VALUE_HOLDS_LIST (dest)) {
- gst_value_list_append_value (dest, &intersection);
+ _gst_value_list_append_and_take_value (dest, &intersection);
} else {
- GValue temp = { 0, };
+ GValue temp;
- gst_value_init_and_copy (&temp, dest);
- g_value_unset (dest);
- gst_value_list_concat (dest, &temp, &intersection);
+ gst_value_move (&temp, dest);
+ gst_value_list_merge (dest, &temp, &intersection);
g_value_unset (&temp);
+ g_value_unset (&intersection);
}
- g_value_unset (&intersection);
}
}
g_value_unset (dest);
return FALSE;
}
- gst_value_array_append_value (dest, &val);
- g_value_unset (&val);
+ _gst_value_array_append_and_take_value (dest, &val);
}
return TRUE;
gint step = gst_value_get_int_range_step (subtrahend);
gint val = g_value_get_int (minuend);
+ if (step == 0)
+ return FALSE;
+
/* subtracting a range from an int only works if the int is not in the
* range */
if (val < min || val > max || val % step) {
g_return_val_if_fail (min < max, FALSE);
+ if (step == 0)
+ return FALSE;
+
/* value is outside of the range, return range unchanged */
if (val < min || val > max || val % step) {
if (dest)
}
step = step1;
+ if (step == 0)
+ return FALSE;
+
if (max2 >= max1 && min2 <= min1) {
return FALSE;
} else if (max2 >= max1) {
gint64 step = gst_value_get_int64_range_step (subtrahend);
gint64 val = g_value_get_int64 (minuend);
+ if (step == 0)
+ return FALSE;
/* subtracting a range from an int64 only works if the int64 is not in the
* range */
if (val < min || val > max || val % step) {
g_return_val_if_fail (min < max, FALSE);
+ if (step == 0)
+ return FALSE;
+
/* value is outside of the range, return range unchanged */
if (val < min || val > max || val % step) {
if (dest)
g_assert (FALSE);
return FALSE;
}
+
+ if (step1 == 0)
+ return FALSE;
+
step = step1;
if (max2 >= max1 && min2 <= min1) {
if (gst_value_subtract (&subtraction, cur, subtrahend)) {
if (!ret) {
- gst_value_init_and_copy (dest, &subtraction);
+ gst_value_move (dest, &subtraction);
ret = TRUE;
} else if (G_VALUE_HOLDS (dest, ltype)
&& !G_VALUE_HOLDS (&subtraction, ltype)) {
- gst_value_list_append_value (dest, &subtraction);
+ _gst_value_list_append_and_take_value (dest, &subtraction);
} else {
- GValue temp = { 0, };
+ GValue temp;
- gst_value_init_and_copy (&temp, dest);
- g_value_unset (dest);
+ gst_value_move (&temp, dest);
gst_value_list_concat (dest, &temp, &subtraction);
g_value_unset (&temp);
+ g_value_unset (&subtraction);
}
- g_value_unset (&subtraction);
}
}
return ret;
return FALSE;
}
}
- if (dest)
- gst_value_init_and_copy (dest, result);
- g_value_unset (result);
+ if (dest) {
+ gst_value_move (dest, result);
+ } else {
+ g_value_unset (result);
+ }
return TRUE;
}
*
* Determines if @value1 and @value2 can be compared.
*
- * Returns: TRUE if the values can be compared
+ * Returns: %TRUE if the values can be compared
*/
gboolean
gst_value_can_compare (const GValue * value1, const GValue * value2)
const gint rmin = gst_value_get_int_range_min (value);
const gint rmax = gst_value_get_int_range_max (value);
const gint rstep = gst_value_get_int_range_step (value);
+ if (rstep == 0)
+ return FALSE;
/* note: this will overflow for min 0 and max INT_MAX, but this
would only be equal to a list of INT_MAX elements, which seems
very unlikely */
const gint64 rmax = gst_value_get_int64_range_max (value);
const gint64 rstep = gst_value_get_int64_range_step (value);
GST_DEBUG ("List/range of int64s");
+ if (rstep == 0)
+ return FALSE;
if (list_size != rmax / rstep - rmin / rstep + 1)
return FALSE;
for (n = 0; n < list_size; ++n) {
as well as lists and ranges ("{ 1, 2 }" and "[ 1, 2 ]" are equal) */
ltype = gst_value_list_get_type ();
if (G_VALUE_HOLDS (value1, ltype) && !G_VALUE_HOLDS (value2, ltype)) {
+ gint i, n, ret;
if (gst_value_list_equals_range (value1, value2)) {
return GST_VALUE_EQUAL;
- } else if (gst_value_list_get_size (value1) == 1) {
+ }
+
+ n = gst_value_list_get_size (value1);
+ if (n == 0)
+ return GST_VALUE_UNORDERED;
+
+ for (i = 0; i < n; i++) {
const GValue *elt;
- elt = gst_value_list_get_value (value1, 0);
- return gst_value_compare (elt, value2);
+ elt = gst_value_list_get_value (value1, i);
+ ret = gst_value_compare (elt, value2);
+ if (ret != GST_VALUE_EQUAL && n == 1)
+ return ret;
+ else if (ret != GST_VALUE_EQUAL)
+ return GST_VALUE_UNORDERED;
}
+
+ return GST_VALUE_EQUAL;
} else if (G_VALUE_HOLDS (value2, ltype) && !G_VALUE_HOLDS (value1, ltype)) {
+ gint i, n, ret;
+
if (gst_value_list_equals_range (value2, value1)) {
return GST_VALUE_EQUAL;
- } else if (gst_value_list_get_size (value2) == 1) {
+ }
+
+ n = gst_value_list_get_size (value2);
+ if (n == 0)
+ return GST_VALUE_UNORDERED;
+
+ for (i = 0; i < n; i++) {
const GValue *elt;
- elt = gst_value_list_get_value (value2, 0);
- return gst_value_compare (elt, value1);
+ elt = gst_value_list_get_value (value2, i);
+ ret = gst_value_compare (elt, value1);
+ if (ret != GST_VALUE_EQUAL && n == 1)
+ return ret;
+ else if (ret != GST_VALUE_EQUAL)
+ return GST_VALUE_UNORDERED;
}
+
+ return GST_VALUE_EQUAL;
}
if (G_VALUE_TYPE (value1) != G_VALUE_TYPE (value2))
*
* Determines if @value1 and @value2 can be non-trivially unioned.
* Any two values can be trivially unioned by adding both of them
- * to a GstValueList. However, certain types have the possibility
+ * to a #GstValueList. However, certain types have the possibility
* to be unioned in a simpler way. For example, an integer range
* and an integer can be unioned if the integer is a subset of the
* integer range. If there is the possibility that two values can
- * be unioned, this function returns TRUE.
+ * be unioned, this function returns %TRUE.
*
- * Returns: TRUE if there is a function allowing the two values to
+ * Returns: %TRUE if there is a function allowing the two values to
* be unioned.
*/
gboolean
*
* Creates a GValue corresponding to the union of @value1 and @value2.
*
- * Returns: TRUE if the union suceeded.
+ * Returns: %TRUE if the union succeeded.
*/
gboolean
gst_value_union (GValue * dest, const GValue * value1, const GValue * value2)
*
* Determines if intersecting two values will produce a valid result.
* Two values will produce a valid intersection if they have the same
- * type, or if there is a method (registered by
- * gst_value_register_intersect_func()) to calculate the intersection.
+ * type.
*
- * Returns: TRUE if the values can intersect
+ * Returns: %TRUE if the values can intersect
*/
gboolean
gst_value_can_intersect (const GValue * value1, const GValue * value2)
/**
* gst_value_intersect:
* @dest: (out caller-allocates) (transfer full): a uninitialized #GValue that will hold the calculated
- * intersection value. May be NULL if the resulting set if not needed.
+ * intersection value. May be %NULL if the resulting set if not needed.
* @value1: a value to intersect
* @value2: another value to intersect
*
* Calculates the intersection of two values. If the values have
* a non-empty intersection, the value representing the intersection
- * is placed in @dest, unless NULL. If the intersection is non-empty,
+ * is placed in @dest, unless %NULL. If the intersection is non-empty,
* @dest is not modified.
*
- * Returns: TRUE if the intersection is non-empty
+ * Returns: %TRUE if the intersection is non-empty
*/
gboolean
gst_value_intersect (GValue * dest, const GValue * value1,
/**
* gst_value_subtract:
* @dest: (out caller-allocates): the destination value for the result if the
- * subtraction is not empty. May be NULL, in which case the resulting set
+ * subtraction is not empty. May be %NULL, in which case the resulting set
* will not be computed, which can give a fair speedup.
* @minuend: the value to subtract from
* @subtrahend: the value to subtract
*
* Checks if it's possible to subtract @subtrahend from @minuend.
*
- * Returns: TRUE if a subtraction is possible
+ * Returns: %TRUE if a subtraction is possible
*/
gboolean
gst_value_can_subtract (const GValue * minuend, const GValue * subtrahend)
{
GstValueSubtractInfo info;
- /* 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));
+ g_return_if_fail (!gst_type_is_fixed (minuend_type)
+ || !gst_type_is_fixed (subtrahend_type));
info.minuend = minuend_type;
info.subtrahend = subtrahend_type;
g_value_copy (src, dest);
}
+/* move src into dest and clear src */
+static void
+gst_value_move (GValue * dest, GValue * src)
+{
+ g_assert (G_IS_VALUE (src));
+ g_assert (dest != NULL);
+
+ *dest = *src;
+ memset (src, 0, sizeof (GValue));
+}
+
/**
* gst_value_serialize:
* @value: a #GValue to serialize
*
* Free-function: g_free
*
- * Returns: (transfer full): the serialization for @value or NULL if none exists
+ * Returns: (transfer full): the serialization for @value or %NULL if none exists
*/
gchar *
gst_value_serialize (const GValue * value)
* @src: string to deserialize
*
* Tries to deserialize a string into the type specified by the given GValue.
- * If the operation succeeds, TRUE is returned, FALSE otherwise.
+ * If the operation succeeds, %TRUE is returned, %FALSE otherwise.
*
- * Returns: TRUE on success
+ * Returns: %TRUE on success
*/
gboolean
gst_value_deserialize (GValue * dest, const gchar * src)
* Fixate @src into a new value @dest.
* For ranges, the first element is taken. For lists and arrays, the
* first item is fixated and returned.
- * If @src is already fixed, this function returns FALSE.
+ * If @src is already fixed, this function returns %FALSE.
*
- * Returns: true if @dest contains a fixated version of @src.
+ * Returns: %TRUE if @dest contains a fixated version of @src.
*/
gboolean
gst_value_fixate (GValue * dest, const GValue * src)
gst_value_init_and_copy (&temp, gst_value_list_get_value (src, 0));
- if (!gst_value_fixate (dest, &temp))
- gst_value_init_and_copy (dest, &temp);
- g_value_unset (&temp);
+ if (!gst_value_fixate (dest, &temp)) {
+ gst_value_move (dest, &temp);
+ } else {
+ g_value_unset (&temp);
+ }
} else if (G_VALUE_TYPE (src) == GST_TYPE_ARRAY) {
gboolean res = FALSE;
guint n, len;
gst_value_init_and_copy (&kid, orig_kid);
else
res = TRUE;
- gst_value_array_append_value (dest, &kid);
- g_value_unset (&kid);
+ _gst_value_array_append_and_take_value (dest, &kid);
}
if (!res)
* Multiplies the two #GValue items containing a #GST_TYPE_FRACTION and sets
* @product to the product of the two fractions.
*
- * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
+ * Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
gboolean
gst_value_fraction_multiply (GValue * product, const GValue * factor1,
*
* Subtracts the @subtrahend from the @minuend and sets @dest to the result.
*
- * Returns: FALSE in case of an error (like integer overflow), TRUE otherwise.
+ * Returns: %FALSE in case of an error (like integer overflow), %TRUE otherwise.
*/
gboolean
gst_value_fraction_subtract (GValue * dest,
{
const GstDateTime *date1 = (const GstDateTime *) g_value_get_boxed (value1);
const GstDateTime *date2 = (const GstDateTime *) g_value_get_boxed (value2);
- gint ret;
if (date1 == date2)
return GST_VALUE_EQUAL;
return GST_VALUE_LESS_THAN;
}
- ret = priv_gst_date_time_compare (date1, date2);
-
- if (ret == 0)
- return GST_VALUE_EQUAL;
- else if (ret < 0)
- return GST_VALUE_LESS_THAN;
- else
- return GST_VALUE_GREATER_THAN;
+ /* returns GST_VALUE_* */
+ return __gst_date_time_compare (date1, date2);
}
static gchar *
gst_value_serialize_date_time (const GValue * val)
{
GstDateTime *date = (GstDateTime *) g_value_get_boxed (val);
- gfloat offset;
- gint tzhour, tzminute;
if (date == NULL)
return g_strdup ("null");
- offset = gst_date_time_get_time_zone_offset (date);
-
- tzhour = (gint) ABS (offset);
- tzminute = (gint) ((ABS (offset) - tzhour) * 60);
-
- return g_strdup_printf ("\"%04d-%02d-%02dT%02d:%02d:%02d.%06d"
- "%c%02d%02d\"", gst_date_time_get_year (date),
- gst_date_time_get_month (date), gst_date_time_get_day (date),
- gst_date_time_get_hour (date), gst_date_time_get_minute (date),
- gst_date_time_get_second (date), gst_date_time_get_microsecond (date),
- offset >= 0 ? '+' : '-', tzhour, tzminute);
+ return __gst_date_time_serialize (date, TRUE);
}
static gboolean
gst_value_deserialize_date_time (GValue * dest, const gchar * s)
{
- gint year, month, day, hour, minute, second, usecond;
- gchar signal;
- gint offset = 0;
- gfloat tzoffset = 0;
- gint ret;
+ GstDateTime *datetime;
if (!s || strcmp (s, "null") == 0) {
return FALSE;
}
- ret = sscanf (s, "%04d-%02d-%02dT%02d:%02d:%02d.%06d%c%04d",
- &year, &month, &day, &hour, &minute, &second, &usecond, &signal, &offset);
- if (ret >= 9) {
- tzoffset = (offset / 100) + ((offset % 100) / 60.0);
- if (signal == '-')
- tzoffset = -tzoffset;
- } else
- return FALSE;
-
- g_value_take_boxed (dest, gst_date_time_new (tzoffset, year, month, day, hour,
- minute, second + (usecond / 1000000.0)));
- return TRUE;
+ datetime = gst_date_time_new_from_iso8601_string (s);
+ if (datetime != NULL) {
+ g_value_take_boxed (dest, datetime);
+ return TRUE;
+ }
+ GST_WARNING ("Failed to deserialize date time string '%s'", s);
+ return FALSE;
}
static void
/**
* gst_value_set_bitmask:
- * @value: a GValue initialized to #GST_TYPE_FRACTION
+ * @value: a GValue initialized to #GST_TYPE_BITMASK
* @bitmask: the bitmask
*
* Sets @value to the bitmask specified by @bitmask.
/**
* gst_value_get_bitmask:
- * @value: a GValue initialized to #GST_TYPE_FRACTION
+ * @value: a GValue initialized to #GST_TYPE_BITMASK
*
* Gets the bitmask specified by @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)
+static gint
+gst_value_compare_bitmask (const GValue * value1, const GValue * value2)
{
- guint64 s1, s2;
+ guint64 v1, v2;
- s1 = gst_value_get_bitmask (src1);
- s2 = gst_value_get_bitmask (src2);
+ v1 = value1->data[0].v_uint64;
+ v2 = value2->data[0].v_uint64;
- if (dest) {
- g_value_init (dest, GST_TYPE_BITMASK);
- gst_value_set_bitmask (dest, s1 & s2);
- }
+ if (v1 == v2)
+ return GST_VALUE_EQUAL;
- return TRUE;
+ return GST_VALUE_UNORDERED;
}
-static gboolean
-gst_value_union_bitmask_bitmask (GValue * dest, const GValue * src1,
- const GValue * src2)
+
+/***********************
+ * GstAllocationParams *
+ ***********************/
+static gint
+gst_value_compare_allocation_params (const GValue * value1,
+ const GValue * value2)
{
- guint64 s1, s2;
+ GstAllocationParams *v1, *v2;
- s1 = gst_value_get_bitmask (src1);
- s2 = gst_value_get_bitmask (src2);
+ v1 = value1->data[0].v_pointer;
+ v2 = value2->data[0].v_pointer;
- g_value_init (dest, GST_TYPE_BITMASK);
- gst_value_set_bitmask (dest, s1 | s2);
+ if (v1 == NULL && v1 == v2)
+ return GST_VALUE_EQUAL;
- return TRUE;
-}
+ if (v1 == NULL || v2 == NULL)
+ return GST_VALUE_UNORDERED;
-static gboolean
-gst_value_subtract_bitmask_bitmask (GValue * dest,
- const GValue * minuend, const GValue * subtrahend)
-{
- guint64 m, s, r;
+ if (v1->flags == v2->flags && v1->align == v2->align &&
+ v1->prefix == v2->prefix && v1->padding == v2->padding)
+ return GST_VALUE_EQUAL;
- g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (minuend), FALSE);
- g_return_val_if_fail (GST_VALUE_HOLDS_BITMASK (subtrahend), FALSE);
+ return GST_VALUE_UNORDERED;
+}
- m = minuend->data[0].v_uint64;
- s = subtrahend->data[0].v_uint64;
- r = m & (~s);
- if (dest) {
- g_value_init (dest, GST_TYPE_BITMASK);
- gst_value_set_bitmask (dest, r);
- }
- return (r != 0);
-}
+/************
+ * GObject *
+ ************/
static gint
-gst_value_compare_bitmask (const GValue * value1, const GValue * value2)
+gst_value_compare_object (const GValue * value1, const GValue * value2)
{
- guint64 v1, v2;
+ gpointer v1, v2;
- v1 = value1->data[0].v_uint64;
- v2 = value2->data[0].v_uint64;
+ v1 = value1->data[0].v_pointer;
+ v2 = value2->data[0].v_pointer;
if (v1 == v2)
return GST_VALUE_EQUAL;
FUNC_VALUE_GET_TYPE (bitmask, "GstBitmask");
+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)
{
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,
{
static GstValueTable gst_value = {
0,
- NULL,
+ gst_value_compare_caps,
gst_value_serialize_caps,
gst_value_deserialize_caps,
};
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,
};
{
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,
+ NULL,
+ 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_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);
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);
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 */
{
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 */