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gst/gstmessage.*: Also carry the clock in question.

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Original commit message from CVS:
* gst/gstmessage.c: (gst_message_new_error),
(gst_message_new_warning), (gst_message_new_tag),
(gst_message_new_state_changed), (gst_message_new_clock_provide),
(gst_message_new_clock_lost), (gst_message_new_new_clock),
(gst_message_new_segment_start), (gst_message_new_segment_done),
(gst_message_parse_state_changed),
(gst_message_parse_clock_provide), (gst_message_parse_clock_lost),
(gst_message_parse_new_clock):
* gst/gstmessage.h:
Also carry the clock in question.
This commit is contained in:
Wim Taymans 2005-10-08 12:56:37 +00:00
parent 677becd06a
commit dafe104298
3 changed files with 89 additions and 7 deletions
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13
ChangeLog
View file

@ -1,3 +1,16 @@
2005-10-08 Wim Taymans <wim@fluendo.com>
* gst/gstmessage.c: (gst_message_new_error),
(gst_message_new_warning), (gst_message_new_tag),
(gst_message_new_state_changed), (gst_message_new_clock_provide),
(gst_message_new_clock_lost), (gst_message_new_new_clock),
(gst_message_new_segment_start), (gst_message_new_segment_done),
(gst_message_parse_state_changed),
(gst_message_parse_clock_provide), (gst_message_parse_clock_lost),
(gst_message_parse_new_clock):
* gst/gstmessage.h:
Also carry the clock in question.
2005-10-08 Wim Taymans <wim@fluendo.com>
* gst/gstmessage.c: (gst_message_new_custom),

76
gst/gstmessage.c
View file

@ -395,6 +395,7 @@ gst_message_new_state_changed (GstObject * src,
/**
* gst_message_new_clock_provide:
* @src: The object originating the message.
* @clock: The clock it provides
* @ready: TRUE if the sender can provide a clock
*
* Create a clock provide message. This message is posted whenever an
@ -409,17 +410,47 @@ gst_message_new_state_changed (GstObject * src,
* MT safe.
*/
GstMessage *
gst_message_new_clock_provide (GstObject * src, gboolean ready)
gst_message_new_clock_provide (GstObject * src, GstClock * clock,
gboolean ready)
{
GstMessage *message;
message = gst_message_new_custom (GST_MESSAGE_CLOCK_PROVIDE, src,
gst_structure_new ("GstMessageClockProvide",
"clock", GST_TYPE_CLOCK, clock,
"ready", G_TYPE_BOOLEAN, ready, NULL));
return message;
}
/**
* gst_message_new_clock_lost:
* @src: The object originating the message.
* @clock: the clock that was lost
*
* Create a clock lost message. This message is posted whenever the
* clock is not valid anymore.
*
* If this message is posted by the pipeline, the pipeline will
* select a new clock again when it goes to PLAYING. It might therefore
* be needed to set the pipeline to PAUSED and PLAYING again.
*
* Returns: The new clock lost message.
*
* MT safe.
*/
GstMessage *
gst_message_new_clock_lost (GstObject * src, GstClock * clock)
{
GstMessage *message;
message = gst_message_new_custom (GST_MESSAGE_CLOCK_LOST, src,
gst_structure_new ("GstMessageClockLost",
"clock", GST_TYPE_CLOCK, clock, NULL));
return message;
}
/**
* gst_message_new_new_clock:
* @src: The object originating the message.
@ -602,20 +633,57 @@ gst_message_parse_state_changed (GstMessage * message, GstState * old,
/**
* gst_message_parse_clock_provide:
* @message: A valid #GstMessage of type GST_MESSAGE_CLOCK_PROVIDE.
* @ready: If the src can provide a clock or not.
* @clock: A pointer to hold a clock object.
* @ready: A pointer to hold the ready flag.
*
* Extracts the ready flag from the GstMessage.
* Extracts the clock and ready flag from the GstMessage.
* The clock object returned remains valid until the message is freed.
*
* MT safe.
*/
void
gst_message_parse_clock_provide (GstMessage * message, gboolean * ready)
gst_message_parse_clock_provide (GstMessage * message, GstClock ** clock,
gboolean * ready)
{
const GValue *clock_gvalue;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_CLOCK_PROVIDE);
clock_gvalue = gst_structure_get_value (message->structure, "clock");
g_return_if_fail (clock_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
if (ready)
gst_structure_get_boolean (message->structure, "ready", ready);
if (clock)
*clock = (GstClock *) g_value_get_object (clock_gvalue);
}
/**
* gst_message_parse_clock_lost:
* @message: A valid #GstMessage of type GST_MESSAGE_CLOCK_LOST.
* @clock: A pointer to hold the lost clock
*
* Extracts the lost clock from the GstMessage.
* The clock object returned remains valid until the message is freed.
*
* MT safe.
*/
void
gst_message_parse_clock_lost (GstMessage * message, GstClock ** clock)
{
const GValue *clock_gvalue;
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_NEW_CLOCK);
clock_gvalue = gst_structure_get_value (message->structure, "clock");
g_return_if_fail (clock_gvalue != NULL);
g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
if (clock)
*clock = (GstClock *) g_value_get_object (clock_gvalue);
}
/**

7
gst/gstmessage.h
View file

@ -154,8 +154,8 @@ GstMessage * gst_message_new_warning (GstObject * src, GError * error, gchar *
GstMessage * gst_message_new_tag (GstObject * src, GstTagList * tag_list);
GstMessage * gst_message_new_state_changed (GstObject * src, GstState old_state,
GstState new_state, GstState pending);
GstMessage * gst_message_new_clock_provide (GstObject * src, gboolean ready);
GstMessage * gst_message_new_clock_lost (GstObject * src);
GstMessage * gst_message_new_clock_provide (GstObject * src, GstClock *clock, gboolean ready);
GstMessage * gst_message_new_clock_lost (GstObject * src, GstClock *clock);
GstMessage * gst_message_new_new_clock (GstObject * src, GstClock *clock);
GstMessage * gst_message_new_segment_start (GstObject * src, GstClockTime timestamp);
GstMessage * gst_message_new_segment_done (GstObject * src, GstClockTime timestamp);
@ -170,7 +170,8 @@ void gst_message_parse_warning (GstMessage *message, GError **gerror, gchar **d
void gst_message_parse_tag (GstMessage *message, GstTagList **tag_list);
void gst_message_parse_state_changed (GstMessage *message, GstState *old_state,
GstState *new_state, GstState *pending);
void gst_message_parse_clock_provide (GstMessage *message, gboolean *ready);
void gst_message_parse_clock_provide (GstMessage *message, GstClock **clock, gboolean *ready);
void gst_message_parse_clock_lost (GstMessage *message, GstClock **clock);
void gst_message_parse_new_clock (GstMessage *message, GstClock **clock);
void gst_message_parse_segment_start (GstMessage *message, GstClockTime *timestamp);
void gst_message_parse_segment_done (GstMessage *message, GstClockTime *timestamp);