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message: hide the message structure field

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Make a private structure to hold the GstStructure bits of the message.
Add some more useful macros like we have for events.
This commit is contained in:
Wim Taymans 2011-05-10 13:34:10 +02:00
parent 8f13bb9e27
commit 108dff2210
5 changed files with 232 additions and 106 deletions
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5
gst/gstbus.c
View file

@ -289,10 +289,7 @@ gst_bus_post (GstBus * bus, GstMessage * message)
g_return_val_if_fail (GST_IS_BUS (bus), FALSE);
g_return_val_if_fail (GST_IS_MESSAGE (message), FALSE);
GST_DEBUG_OBJECT (bus, "[msg %p] posting on bus, type %s, %" GST_PTR_FORMAT
" from source %" GST_PTR_FORMAT,
message, GST_MESSAGE_TYPE_NAME (message), message->structure,
message->src);
GST_DEBUG_OBJECT (bus, "[msg %p] posting on bus %" GST_PTR_FORMAT, message);
GST_OBJECT_LOCK (bus);
/* check if the bus is flushing */

7
gst/gstinfo.c
View file

@ -649,9 +649,12 @@ gst_debug_print_object (gpointer ptr)
if (GST_IS_MESSAGE (object)) {
GstMessage *msg = GST_MESSAGE_CAST (object);
gchar *s, *ret;
GstStructure *structure;
if (msg->structure) {
s = gst_info_structure_to_string (msg->structure);
structure = (GstStructure *) gst_message_get_structure (msg);
if (structure) {
s = gst_info_structure_to_string (structure);
} else {
s = g_strdup ("(NULL)");
}

271
gst/gstmessage.c
View file

@ -62,6 +62,15 @@
static GType _gst_message_type = 0;
typedef struct
{
GstMessage message;
GstStructure *structure;
} GstMessageImpl;
#define GST_MESSAGE_STRUCTURE(m) (((GstMessageImpl *)(m))->structure)
typedef struct
{
const gint type;
@ -171,6 +180,8 @@ gst_message_get_type (void)
static void
_gst_message_free (GstMessage * message)
{
GstStructure *structure;
g_return_if_fail (message != NULL);
GST_CAT_LOG (GST_CAT_MESSAGE, "finalize message %p", message);
@ -186,9 +197,10 @@ _gst_message_free (GstMessage * message)
GST_MESSAGE_UNLOCK (message);
}
if (message->structure) {
gst_structure_set_parent_refcount (message->structure, NULL);
gst_structure_free (message->structure);
structure = GST_MESSAGE_STRUCTURE (message);
if (structure) {
gst_structure_set_parent_refcount (structure, NULL);
gst_structure_free (structure);
}
g_slice_free1 (GST_MINI_OBJECT_SIZE (message), message);
@ -197,35 +209,39 @@ _gst_message_free (GstMessage * message)
static GstMessage *
_gst_message_copy (GstMessage * message)
{
GstMessage *copy;
GstMessageImpl *copy;
GstStructure *structure;
GST_CAT_LOG (GST_CAT_MESSAGE, "copy message %p", message);
copy = g_slice_new0 (GstMessage);
copy = g_slice_new0 (GstMessageImpl);
gst_mini_object_init (GST_MINI_OBJECT_CAST (copy),
_gst_message_type, sizeof (GstMessage));
_gst_message_type, sizeof (GstMessageImpl));
copy->mini_object.copy = (GstMiniObjectCopyFunction) _gst_message_copy;
copy->mini_object.free = (GstMiniObjectFreeFunction) _gst_message_free;
copy->message.mini_object.copy =
(GstMiniObjectCopyFunction) _gst_message_copy;
copy->message.mini_object.free =
(GstMiniObjectFreeFunction) _gst_message_free;
GST_MESSAGE_GET_LOCK (copy) = GST_MESSAGE_GET_LOCK (message);
GST_MESSAGE_COND (copy) = GST_MESSAGE_COND (message);
GST_MESSAGE_TYPE (copy) = GST_MESSAGE_TYPE (message);
GST_MESSAGE_TIMESTAMP (copy) = GST_MESSAGE_TIMESTAMP (message);
GST_MESSAGE_SEQNUM (copy) = GST_MESSAGE_SEQNUM (message);
if (GST_MESSAGE_SRC (message)) {
GST_MESSAGE_SRC (copy) = gst_object_ref (GST_MESSAGE_SRC (message));
}
if (message->structure) {
copy->structure = gst_structure_copy (message->structure);
GST_MESSAGE_GET_LOCK (copy) = GST_MESSAGE_GET_LOCK (message);
GST_MESSAGE_COND (copy) = GST_MESSAGE_COND (message);
structure = GST_MESSAGE_STRUCTURE (message);
if (structure) {
copy->structure = gst_structure_copy (structure);
gst_structure_set_parent_refcount (copy->structure,
&copy->mini_object.refcount);
&copy->message.mini_object.refcount);
}
return copy;
return GST_MESSAGE_CAST (copy);
}
/**
@ -247,36 +263,36 @@ GstMessage *
gst_message_new_custom (GstMessageType type, GstObject * src,
GstStructure * structure)
{
GstMessage *message;
GstMessageImpl *message;
message = g_slice_new0 (GstMessage);
message = g_slice_new0 (GstMessageImpl);
gst_mini_object_init (GST_MINI_OBJECT_CAST (message),
_gst_message_type, sizeof (GstMessage));
_gst_message_type, sizeof (GstMessageImpl));
message->mini_object.copy = (GstMiniObjectCopyFunction) _gst_message_copy;
message->mini_object.free = (GstMiniObjectFreeFunction) _gst_message_free;
message->message.mini_object.copy =
(GstMiniObjectCopyFunction) _gst_message_copy;
message->message.mini_object.free =
(GstMiniObjectFreeFunction) _gst_message_free;
GST_CAT_LOG (GST_CAT_MESSAGE, "source %s: creating new message %p %s",
(src ? GST_OBJECT_NAME (src) : "NULL"), message,
gst_message_type_get_name (type));
message->type = type;
GST_MESSAGE_TYPE (message) = type;
if (src)
gst_object_ref (src);
message->src = src;
if (structure) {
gst_structure_set_parent_refcount (structure,
&message->mini_object.refcount);
}
message->structure = structure;
GST_MESSAGE_SRC (message) = src;
GST_MESSAGE_TIMESTAMP (message) = GST_CLOCK_TIME_NONE;
GST_MESSAGE_SEQNUM (message) = gst_util_seqnum_next ();
return message;
if (structure) {
gst_structure_set_parent_refcount (structure,
&message->message.mini_object.refcount);
}
message->structure = structure;
return GST_MESSAGE_CAST (message);
}
/**
@ -969,7 +985,33 @@ gst_message_get_structure (GstMessage * message)
{
g_return_val_if_fail (GST_IS_MESSAGE (message), NULL);
return message->structure;
return GST_MESSAGE_STRUCTURE (message);
}
/**
* gst_message_has_name:
* @message: The #GstMessage.
* @name: name to check
*
* Checks if @message has the given @name. This function is usually used to
* check the name of a custom message.
*
* Returns: %TRUE if @name matches the name of the message structure.
*
* Since: 0.10.20
*/
gboolean
gst_message_has_name (GstMessage * message, const gchar * name)
{
GstStructure *structure;
g_return_val_if_fail (GST_IS_MESSAGE (message), FALSE);
structure = GST_MESSAGE_STRUCTURE (message);
if (structure == NULL)
return FALSE;
return gst_structure_has_name (structure, name);
}
/**
@ -1009,7 +1051,7 @@ gst_message_parse_tag (GstMessage * message, GstTagList ** tag_list)
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_TAG);
g_return_if_fail (tag_list != NULL);
ret = gst_structure_copy (message->structure);
ret = gst_structure_copy (GST_MESSAGE_STRUCTURE (message));
gst_structure_remove_field (ret, "source-pad");
*tag_list = (GstTagList *) ret;
@ -1039,7 +1081,7 @@ gst_message_parse_tag_full (GstMessage * message, GstPad ** pad,
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_TAG);
g_return_if_fail (tag_list != NULL);
ret = gst_structure_copy (message->structure);
ret = gst_structure_copy (GST_MESSAGE_STRUCTURE (message));
if (gst_structure_has_field (ret, "source-pad") && pad) {
const GValue *v;
@ -1076,8 +1118,9 @@ gst_message_parse_buffering (GstMessage * message, gint * percent)
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
if (percent)
*percent = g_value_get_int (gst_structure_id_get_value (message->structure,
GST_QUARK (BUFFER_PERCENT)));
*percent =
g_value_get_int (gst_structure_id_get_value (GST_MESSAGE_STRUCTURE
(message), GST_QUARK (BUFFER_PERCENT)));
}
/**
@ -1098,7 +1141,7 @@ gst_message_set_buffering_stats (GstMessage * message, GstBufferingMode mode,
{
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
gst_structure_id_set (message->structure,
gst_structure_id_set (GST_MESSAGE_STRUCTURE (message),
GST_QUARK (BUFFERING_MODE), GST_TYPE_BUFFERING_MODE, mode,
GST_QUARK (AVG_IN_RATE), G_TYPE_INT, avg_in,
GST_QUARK (AVG_OUT_RATE), G_TYPE_INT, avg_out,
@ -1123,20 +1166,23 @@ gst_message_parse_buffering_stats (GstMessage * message,
GstBufferingMode * mode, gint * avg_in, gint * avg_out,
gint64 * buffering_left)
{
GstStructure *structure;
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
structure = GST_MESSAGE_STRUCTURE (message);
if (mode)
*mode = g_value_get_enum (gst_structure_id_get_value (message->structure,
*mode = g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (BUFFERING_MODE)));
if (avg_in)
*avg_in = g_value_get_int (gst_structure_id_get_value (message->structure,
*avg_in = g_value_get_int (gst_structure_id_get_value (structure,
GST_QUARK (AVG_IN_RATE)));
if (avg_out)
*avg_out = g_value_get_int (gst_structure_id_get_value (message->structure,
*avg_out = g_value_get_int (gst_structure_id_get_value (structure,
GST_QUARK (AVG_OUT_RATE)));
if (buffering_left)
*buffering_left =
g_value_get_int64 (gst_structure_id_get_value (message->structure,
g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (BUFFERING_LEFT)));
}
@ -1174,19 +1220,22 @@ void
gst_message_parse_state_changed (GstMessage * message,
GstState * oldstate, GstState * newstate, GstState * pending)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED);
structure = GST_MESSAGE_STRUCTURE (message);
if (oldstate)
*oldstate =
g_value_get_enum (gst_structure_id_get_value (message->structure,
g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (OLD_STATE)));
if (newstate)
*newstate =
g_value_get_enum (gst_structure_id_get_value (message->structure,
g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (NEW_STATE)));
if (pending)
*pending = g_value_get_enum (gst_structure_id_get_value (message->structure,
*pending = g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (PENDING_STATE)));
}
@ -1207,18 +1256,19 @@ gst_message_parse_clock_provide (GstMessage * message, GstClock ** clock,
gboolean * ready)
{
const GValue *clock_gvalue;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_CLOCK_PROVIDE);
clock_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (CLOCK));
structure = GST_MESSAGE_STRUCTURE (message);
clock_gvalue = gst_structure_id_get_value (structure, GST_QUARK (CLOCK));
g_return_if_fail (clock_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
if (ready)
*ready =
g_value_get_boolean (gst_structure_id_get_value (message->structure,
g_value_get_boolean (gst_structure_id_get_value (structure,
GST_QUARK (READY)));
if (clock)
*clock = (GstClock *) g_value_get_object (clock_gvalue);
@ -1238,12 +1288,13 @@ void
gst_message_parse_clock_lost (GstMessage * message, GstClock ** clock)
{
const GValue *clock_gvalue;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_CLOCK_LOST);
clock_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (CLOCK));
structure = GST_MESSAGE_STRUCTURE (message);
clock_gvalue = gst_structure_id_get_value (structure, GST_QUARK (CLOCK));
g_return_if_fail (clock_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
@ -1266,12 +1317,13 @@ void
gst_message_parse_new_clock (GstMessage * message, GstClock ** clock)
{
const GValue *clock_gvalue;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_NEW_CLOCK);
clock_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (CLOCK));
structure = GST_MESSAGE_STRUCTURE (message);
clock_gvalue = gst_structure_id_get_value (structure, GST_QUARK (CLOCK));
g_return_if_fail (clock_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
@ -1299,23 +1351,24 @@ gst_message_parse_structure_change (GstMessage * message,
GstStructureChangeType * type, GstElement ** owner, gboolean * busy)
{
const GValue *owner_gvalue;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STRUCTURE_CHANGE);
owner_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (OWNER));
structure = GST_MESSAGE_STRUCTURE (message);
owner_gvalue = gst_structure_id_get_value (structure, GST_QUARK (OWNER));
g_return_if_fail (owner_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (owner_gvalue) == GST_TYPE_ELEMENT);
if (type)
*type = g_value_get_enum (gst_structure_id_get_value (message->structure,
*type = g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (TYPE)));
if (owner)
*owner = (GstElement *) g_value_get_object (owner_gvalue);
if (busy)
*busy =
g_value_get_boolean (gst_structure_id_get_value (message->structure,
g_value_get_boolean (gst_structure_id_get_value (structure,
GST_QUARK (BUSY)));
}
@ -1357,12 +1410,13 @@ gst_message_parse_error (GstMessage * message, GError ** gerror, gchar ** debug)
{
const GValue *error_gvalue;
GError *error_val;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ERROR);
error_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (GERROR));
structure = GST_MESSAGE_STRUCTURE (message);
error_gvalue = gst_structure_id_get_value (structure, GST_QUARK (GERROR));
g_return_if_fail (error_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (error_gvalue) == GST_TYPE_G_ERROR);
@ -1374,7 +1428,7 @@ gst_message_parse_error (GstMessage * message, GError ** gerror, gchar ** debug)
if (debug)
*debug =
g_value_dup_string (gst_structure_id_get_value (message->structure,
g_value_dup_string (gst_structure_id_get_value (structure,
GST_QUARK (DEBUG)));
}
@ -1396,12 +1450,13 @@ gst_message_parse_warning (GstMessage * message, GError ** gerror,
{
const GValue *error_gvalue;
GError *error_val;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_WARNING);
error_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (GERROR));
structure = GST_MESSAGE_STRUCTURE (message);
error_gvalue = gst_structure_id_get_value (structure, GST_QUARK (GERROR));
g_return_if_fail (error_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (error_gvalue) == GST_TYPE_G_ERROR);
@ -1413,7 +1468,7 @@ gst_message_parse_warning (GstMessage * message, GError ** gerror,
if (debug)
*debug =
g_value_dup_string (gst_structure_id_get_value (message->structure,
g_value_dup_string (gst_structure_id_get_value (structure,
GST_QUARK (DEBUG)));
}
@ -1436,12 +1491,13 @@ gst_message_parse_info (GstMessage * message, GError ** gerror, gchar ** debug)
{
const GValue *error_gvalue;
GError *error_val;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_INFO);
error_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (GERROR));
structure = GST_MESSAGE_STRUCTURE (message);
error_gvalue = gst_structure_id_get_value (structure, GST_QUARK (GERROR));
g_return_if_fail (error_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (error_gvalue) == GST_TYPE_G_ERROR);
@ -1453,7 +1509,7 @@ gst_message_parse_info (GstMessage * message, GError ** gerror, gchar ** debug)
if (debug)
*debug =
g_value_dup_string (gst_structure_id_get_value (message->structure,
g_value_dup_string (gst_structure_id_get_value (structure,
GST_QUARK (DEBUG)));
}
@ -1471,16 +1527,19 @@ void
gst_message_parse_segment_start (GstMessage * message, GstFormat * format,
gint64 * position)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_SEGMENT_START);
structure = GST_MESSAGE_STRUCTURE (message);
if (format)
*format =
g_value_get_enum (gst_structure_id_get_value (message->structure,
g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (FORMAT)));
if (position)
*position =
g_value_get_int64 (gst_structure_id_get_value (message->structure,
g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (POSITION)));
}
@ -1498,16 +1557,19 @@ void
gst_message_parse_segment_done (GstMessage * message, GstFormat * format,
gint64 * position)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_SEGMENT_DONE);
structure = GST_MESSAGE_STRUCTURE (message);
if (format)
*format =
g_value_get_enum (gst_structure_id_get_value (message->structure,
g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (FORMAT)));
if (position)
*position =
g_value_get_int64 (gst_structure_id_get_value (message->structure,
g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (POSITION)));
}
@ -1528,16 +1590,19 @@ void
gst_message_parse_duration (GstMessage * message, GstFormat * format,
gint64 * duration)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_DURATION);
structure = GST_MESSAGE_STRUCTURE (message);
if (format)
*format =
g_value_get_enum (gst_structure_id_get_value (message->structure,
g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (FORMAT)));
if (duration)
*duration =
g_value_get_int64 (gst_structure_id_get_value (message->structure,
g_value_get_int64 (gst_structure_id_get_value (structure,
GST_QUARK (DURATION)));
}
@ -1555,12 +1620,15 @@ gst_message_parse_duration (GstMessage * message, GstFormat * format,
void
gst_message_parse_async_start (GstMessage * message, gboolean * new_base_time)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ASYNC_START);
structure = GST_MESSAGE_STRUCTURE (message);
if (new_base_time)
*new_base_time =
g_value_get_boolean (gst_structure_id_get_value (message->structure,
g_value_get_boolean (gst_structure_id_get_value (structure,
GST_QUARK (NEW_BASE_TIME)));
}
@ -1578,11 +1646,14 @@ gst_message_parse_async_start (GstMessage * message, gboolean * new_base_time)
void
gst_message_parse_request_state (GstMessage * message, GstState * state)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_REQUEST_STATE);
structure = GST_MESSAGE_STRUCTURE (message);
if (state)
*state = g_value_get_enum (gst_structure_id_get_value (message->structure,
*state = g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (NEW_STATE)));
}
@ -1635,16 +1706,17 @@ gst_message_parse_stream_status (GstMessage * message,
GstStreamStatusType * type, GstElement ** owner)
{
const GValue *owner_gvalue;
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS);
owner_gvalue =
gst_structure_id_get_value (message->structure, GST_QUARK (OWNER));
structure = GST_MESSAGE_STRUCTURE (message);
owner_gvalue = gst_structure_id_get_value (structure, GST_QUARK (OWNER));
g_return_if_fail (owner_gvalue != NULL);
if (type)
*type = g_value_get_enum (gst_structure_id_get_value (message->structure,
*type = g_value_get_enum (gst_structure_id_get_value (structure,
GST_QUARK (TYPE)));
if (owner)
*owner = (GstElement *) g_value_get_object (owner_gvalue);
@ -1664,10 +1736,13 @@ void
gst_message_set_stream_status_object (GstMessage * message,
const GValue * object)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS);
gst_structure_id_set_value (message->structure, GST_QUARK (OBJECT), object);
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_set_value (structure, GST_QUARK (OBJECT), object);
}
/**
@ -1686,12 +1761,14 @@ const GValue *
gst_message_get_stream_status_object (GstMessage * message)
{
const GValue *result;
GstStructure *structure;
g_return_val_if_fail (GST_IS_MESSAGE (message), NULL);
g_return_val_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS,
NULL);
result = gst_structure_id_get_value (message->structure, GST_QUARK (OBJECT));
structure = GST_MESSAGE_STRUCTURE (message);
result = gst_structure_id_get_value (structure, GST_QUARK (OBJECT));
return result;
}
@ -1762,10 +1839,13 @@ gst_message_parse_step_done (GstMessage * message, GstFormat * format,
guint64 * amount, gdouble * rate, gboolean * flush, gboolean * intermediate,
guint64 * duration, gboolean * eos)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STEP_DONE);
gst_structure_id_get (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_get (structure,
GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
GST_QUARK (AMOUNT), G_TYPE_UINT64, amount,
GST_QUARK (RATE), G_TYPE_DOUBLE, rate,
@ -1842,10 +1922,13 @@ gst_message_parse_step_start (GstMessage * message, gboolean * active,
GstFormat * format, guint64 * amount, gdouble * rate, gboolean * flush,
gboolean * intermediate)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STEP_START);
gst_structure_id_get (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_get (structure,
GST_QUARK (ACTIVE), G_TYPE_BOOLEAN, active,
GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
GST_QUARK (AMOUNT), G_TYPE_UINT64, amount,
@ -1926,10 +2009,13 @@ void
gst_message_set_qos_values (GstMessage * message, gint64 jitter,
gdouble proportion, gint quality)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_QOS);
gst_structure_id_set (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_set (structure,
GST_QUARK (JITTER), G_TYPE_INT64, jitter,
GST_QUARK (PROPORTION), G_TYPE_DOUBLE, proportion,
GST_QUARK (QUALITY), G_TYPE_INT, quality, NULL);
@ -1960,10 +2046,13 @@ void
gst_message_set_qos_stats (GstMessage * message, GstFormat format,
guint64 processed, guint64 dropped)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_QOS);
gst_structure_id_set (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_set (structure,
GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
GST_QUARK (PROCESSED), G_TYPE_UINT64, processed,
GST_QUARK (DROPPED), G_TYPE_UINT64, dropped, NULL);
@ -1997,10 +2086,13 @@ gst_message_parse_qos (GstMessage * message, gboolean * live,
guint64 * running_time, guint64 * stream_time, guint64 * timestamp,
guint64 * duration)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_QOS);
gst_structure_id_get (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_get (structure,
GST_QUARK (LIVE), G_TYPE_BOOLEAN, live,
GST_QUARK (RUNNING_TIME), G_TYPE_UINT64, running_time,
GST_QUARK (STREAM_TIME), G_TYPE_UINT64, stream_time,
@ -2029,10 +2121,13 @@ void
gst_message_parse_qos_values (GstMessage * message, gint64 * jitter,
gdouble * proportion, gint * quality)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_QOS);
gst_structure_id_get (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_get (structure,
GST_QUARK (JITTER), G_TYPE_INT64, jitter,
GST_QUARK (PROPORTION), G_TYPE_DOUBLE, proportion,
GST_QUARK (QUALITY), G_TYPE_INT, quality, NULL);
@ -2064,10 +2159,13 @@ void
gst_message_parse_qos_stats (GstMessage * message, GstFormat * format,
guint64 * processed, guint64 * dropped)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_QOS);
gst_structure_id_get (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_get (structure,
GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
GST_QUARK (PROCESSED), G_TYPE_UINT64, processed,
GST_QUARK (DROPPED), G_TYPE_UINT64, dropped, NULL);
@ -2130,10 +2228,13 @@ void
gst_message_parse_progress (GstMessage * message, GstProgressType * type,
gchar ** code, gchar ** text)
{
GstStructure *structure;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_PROGRESS);
gst_structure_id_get (message->structure,
structure = GST_MESSAGE_STRUCTURE (message);
gst_structure_id_get (structure,
GST_QUARK (TYPE), GST_TYPE_PROGRESS_TYPE, type,
GST_QUARK (CODE), G_TYPE_STRING, code,
GST_QUARK (TEXT), G_TYPE_STRING, text, NULL);

51
gst/gstmessage.h
View file

@ -283,20 +283,15 @@ struct _GstMessage
{
GstMiniObject mini_object;
/*< private >*//* with MESSAGE_LOCK */
GMutex *lock; /* lock and cond for async delivery */
GCond *cond;
/*< public > *//* with COW */
GstMessageType type;
guint64 timestamp;
GstObject *src;
guint32 seqnum;
GstStructure *structure;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
/*< private >*//* with MESSAGE_LOCK */
GMutex *lock; /* lock and cond for async delivery */
GCond *cond;
};
GType gst_message_get_type (void);
@ -361,6 +356,14 @@ gst_message_copy (const GstMessage * msg)
return GST_MESSAGE_CAST (gst_mini_object_copy (GST_MINI_OBJECT_CONST_CAST (msg)));
}
/**
* gst_message_is_writable:
* @msg: a #GstMessage
*
* Tests if you can safely write into a message's structure or validly
* modify the seqnum and timestamp fields.
*/
#define gst_message_is_writable(msg) gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (msg))
/**
* gst_message_make_writable:
* @msg: (transfer full): the message to make writable
@ -373,6 +376,32 @@ gst_message_copy (const GstMessage * msg)
* MT safe
*/
#define gst_message_make_writable(msg) GST_MESSAGE_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (msg)))
/**
* gst_message_replace:
* @old_message: (inout) (transfer full): pointer to a pointer to a #GstMessage
* to be replaced.
* @new_message: (allow-none) (transfer none): pointer to a #GstMessage that will
* replace the message pointed to by @old_message.
*
* Modifies a pointer to a #GstMessage to point to a different #GstMessage. The
* modification is done atomically (so this is useful for ensuring thread safety
* in some cases), and the reference counts are updated appropriately (the old
* message is unreffed, the new one is reffed).
*
* Either @new_message or the #GstMessage pointed to by @old_message may be NULL.
*/
#define gst_message_replace(old_message,new_message) \
gst_mini_object_replace ((GstMiniObject **)(old_message), GST_MINI_OBJECT_CAST (new_message))
/* custom messages */
GstMessage * gst_message_new_custom (GstMessageType type,
GstObject * src,
GstStructure * structure);
const GstStructure *
gst_message_get_structure (GstMessage *message);
gboolean gst_message_has_name (GstMessage *message, const gchar *name);
/* identifiers for events and messages */
guint32 gst_message_get_seqnum (GstMessage *message);
@ -516,12 +545,6 @@ void gst_message_parse_progress (GstMessage * message, GstPro
gchar ** text);
/* custom messages */
GstMessage * gst_message_new_custom (GstMessageType type,
GstObject * src,
GstStructure * structure);
const GstStructure * gst_message_get_structure (GstMessage *message);
G_END_DECLS
#endif /* __GST_MESSAGE_H__ */

4
plugins/elements/gstfakesink.c
View file

@ -399,9 +399,11 @@ gst_fake_sink_event (GstBaseSink * bsink, GstEvent * event)
if (GST_EVENT_TYPE (event) == GST_EVENT_SINK_MESSAGE) {
GstMessage *msg;
const GstStructure *structure;
gst_event_parse_sink_message (event, &msg);
sstr = gst_structure_to_string (msg->structure);
structure = gst_message_get_structure (msg);
sstr = gst_structure_to_string (structure);
sink->last_message =
g_strdup_printf ("message ******* M (type: %d, %s) %p",
GST_MESSAGE_TYPE (msg), sstr, msg);