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Seriously, this is better than a previous commit as we only need to notify the fact that an element changed state in ...

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Original commit message from CVS:
* check/gst/gstbin.c: (GST_START_TEST):
* check/gst/gstmessage.c: (GST_START_TEST):
* check/gst/gstpipeline.c: (GST_START_TEST), (message_received):
* gst/gstbin.c: (gst_bin_class_init), (gst_bin_recalc_func),
(bin_bus_handler):
* gst/gstelement.c: (gst_element_abort_state),
(gst_element_commit_state), (gst_element_lost_state):
* gst/gstmessage.c: (gst_message_new_state_changed),
(gst_message_new_state_dirty), (gst_message_new_segment_start),
(gst_message_new_segment_done), (gst_message_new_duration),
(gst_message_parse_state_changed),
(gst_message_parse_segment_start),
(gst_message_parse_segment_done), (gst_message_parse_duration):
* gst/gstmessage.h:
* tools/gst-launch.c: (event_loop):
Seriously, this is better than a previous commit as we only need
to notify the fact that an element changed state in a streaming
thread, marking the state of the parents dirty, hence the
STATE_DIRTY message instead of abusing a boolean in a STATE_CHANGE
message.
This commit is contained in:
Wim Taymans 2005-10-18 16:25:38 +00:00
parent 2c61a2f4d5
commit 0176d5a0cf
12 changed files with 81 additions and 62 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
ChangeLog
View file

@ -1,3 +1,26 @@
2005-10-18 Wim Taymans <wim@fluendo.com>
* check/gst/gstbin.c: (GST_START_TEST):
* check/gst/gstmessage.c: (GST_START_TEST):
* check/gst/gstpipeline.c: (GST_START_TEST), (message_received):
* gst/gstbin.c: (gst_bin_class_init), (gst_bin_recalc_func),
(bin_bus_handler):
* gst/gstelement.c: (gst_element_abort_state),
(gst_element_commit_state), (gst_element_lost_state):
* gst/gstmessage.c: (gst_message_new_state_changed),
(gst_message_new_state_dirty), (gst_message_new_segment_start),
(gst_message_new_segment_done), (gst_message_new_duration),
(gst_message_parse_state_changed),
(gst_message_parse_segment_start),
(gst_message_parse_segment_done), (gst_message_parse_duration):
* gst/gstmessage.h:
* tools/gst-launch.c: (event_loop):
Seriously, this is better than a previous commit as we only need
to notify the fact that an element changed state in a streaming
thread, marking the state of the parents dirty, hence the
STATE_DIRTY message instead of abusing a boolean in a STATE_CHANGE
message.
2005-10-18 Wim Taymans <wim@fluendo.com>
* gst/gstbin.c: (gst_bin_class_init), (gst_bin_get_state_func),

8
check/gst/gstbin.c
View file

@ -464,11 +464,10 @@ GST_END_TEST;
{ \
GstMessage *msg; \
GstState old = 0, new = 0, pending = 0; \
gboolean async; \
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND); \
fail_if (msg == NULL, "No state change message within 1 second (#" \
G_STRINGIFY (num) ")"); \
gst_message_parse_state_changed (msg, &async, &old, &new, &pending); \
gst_message_parse_state_changed (msg, &old, &new, &pending); \
fail_if (msg->src != GST_OBJECT (element), G_STRINGIFY(element) \
" should have changed state next (#" G_STRINGIFY (num) ")"); \
fail_if (old != old_state || new != new_state, "state change is not " \
@ -713,13 +712,12 @@ GST_START_TEST (test_children_state_change_order_two_sink)
{
GstMessage *msg;
GstState old = 0, new = 0, pending = 0;
gboolean async;
GstObject *first, *second;
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
fail_if (msg == NULL, "No state change message within 1 second (#201)");
gst_message_parse_state_changed (msg, &async, &old, &new, &pending);
gst_message_parse_state_changed (msg, &old, &new, &pending);
first = gst_object_ref (msg->src);
fail_if (first != GST_OBJECT (sink1) && first != GST_OBJECT (sink2),
@ -729,7 +727,7 @@ GST_START_TEST (test_children_state_change_order_two_sink)
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
fail_if (msg == NULL, "No state change message within 1 second (#201)");
gst_message_parse_state_changed (msg, &async, &old, &new, &pending);
gst_message_parse_state_changed (msg, &old, &new, &pending);
second = gst_object_ref (msg->src);
fail_if (second != GST_OBJECT (sink1) && second != GST_OBJECT (sink2),

11
check/gst/gstmessage.c
View file

@ -121,29 +121,22 @@ GST_START_TEST (test_parsing)
/* GST_MESSAGE_STATE_CHANGED */
{
GstState oldstate, newstate, pending;
gboolean async;
async = TRUE;
oldstate = GST_STATE_PAUSED;
newstate = GST_STATE_PLAYING;
pending = GST_STATE_VOID_PENDING;
message =
gst_message_new_state_changed (NULL, async, oldstate, newstate,
pending);
message = gst_message_new_state_changed (NULL, oldstate, newstate, pending);
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
/* set some wrong values to check if the parse method overwrites them
* with the good values */
async = FALSE;
oldstate = GST_STATE_READY;
newstate = GST_STATE_READY;
pending = GST_STATE_READY;
gst_message_parse_state_changed (message, &async, &oldstate, &newstate,
&pending);
fail_unless (async == TRUE);
gst_message_parse_state_changed (message, &oldstate, &newstate, &pending);
fail_unless (oldstate == GST_STATE_PAUSED);
fail_unless (newstate == GST_STATE_PLAYING);
fail_unless (pending == GST_STATE_VOID_PENDING);

6
check/gst/gstpipeline.c
View file

@ -84,11 +84,10 @@ GST_START_TEST (test_async_state_change_fake)
while (!done) {
GstMessage *message;
GstState old, new, pending;
gboolean async;
message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
if (message) {
gst_message_parse_state_changed (message, &async, &old, &new, &pending);
gst_message_parse_state_changed (message, &old, &new, &pending);
GST_DEBUG_OBJECT (message->src, "state change from %d to %d", old, new);
if (message->src == GST_OBJECT (pipeline) && new == GST_STATE_PLAYING)
done = TRUE;
@ -139,10 +138,9 @@ message_received (GstBus * bus, GstMessage * message, gpointer data)
case GST_MESSAGE_STATE_CHANGED:
{
GstState old, new, pending;
gboolean async;
GST_DEBUG ("state change message received");
gst_message_parse_state_changed (message, &async, &old, &new, &pending);
gst_message_parse_state_changed (message, &old, &new, &pending);
GST_DEBUG ("new state %d", new);
if (message->src == GST_OBJECT (pipeline) && new == GST_STATE_PLAYING) {
GST_DEBUG ("quitting main loop");

3
gst/gstbin.c
View file

@ -1626,9 +1626,8 @@ bin_bus_handler (GstBus * bus, GstMessage * message, GstBin * bin)
{
GstState old, new, pending;
GstObject *src;
gboolean async;
gst_message_parse_state_changed (message, &async, &old, &new, &pending);
gst_message_parse_state_changed (message, &old, &new, &pending);
src = GST_MESSAGE_SRC (message);
/* ref src, as we need it after we post the message up */
gst_object_ref (src);

4
gst/gstelement.c
View file

@ -1851,7 +1851,7 @@ gst_element_commit_state (GstElement * element)
gst_element_state_get_name (pending));
message = gst_message_new_state_changed (GST_OBJECT (element),
FALSE, old_state, next, pending);
old_state, next, pending);
gst_element_post_message (element, message);
if (pending != GST_STATE_VOID_PENDING) {
@ -1921,7 +1921,7 @@ gst_element_lost_state (GstElement * element)
GST_STATE_RETURN (element) = GST_STATE_CHANGE_ASYNC;
message = gst_message_new_state_changed (GST_OBJECT (element),
FALSE, current_state, current_state, current_state);
current_state, current_state, current_state);
gst_element_post_message (element, message);
return;

32
gst/gstmessage.c
View file

@ -82,6 +82,7 @@ static GstMessageQuarks message_quarks[] = {
{GST_MESSAGE_TAG, "tag", 0},
{GST_MESSAGE_BUFFERING, "buffering", 0},
{GST_MESSAGE_STATE_CHANGED, "state-changed", 0},
{GST_MESSAGE_STATE_DIRTY, "state-dirty", 0},
{GST_MESSAGE_STEP_DONE, "step-done", 0},
{GST_MESSAGE_CLOCK_PROVIDE, "clock-provide", 0},
{GST_MESSAGE_CLOCK_LOST, "clock-lost", 0},
@ -385,7 +386,6 @@ gst_message_new_tag (GstObject * src, GstTagList * tag_list)
/**
* gst_message_new_state_changed:
* @src: the object originating the message
* @async: if this is a state change from a streaming thread
* @oldstate: the previous state
* @newstate: the new (current) state
* @pending: the pending (target) state
@ -398,14 +398,13 @@ gst_message_new_tag (GstObject * src, GstTagList * tag_list)
* MT safe.
*/
GstMessage *
gst_message_new_state_changed (GstObject * src, gboolean async,
gst_message_new_state_changed (GstObject * src,
GstState oldstate, GstState newstate, GstState pending)
{
GstMessage *message;
message = gst_message_new_custom (GST_MESSAGE_STATE_CHANGED, src,
gst_structure_new ("GstMessageState",
"async", G_TYPE_BOOLEAN, async,
"old-state", GST_TYPE_STATE, (gint) oldstate,
"new-state", GST_TYPE_STATE, (gint) newstate,
"pending-state", GST_TYPE_STATE, (gint) pending, NULL));
@ -413,6 +412,28 @@ gst_message_new_state_changed (GstObject * src, gboolean async,
return message;
}
/**
* gst_message_new_state_dirty:
* @src: the object originating the message
*
* Create a state dirty message. This message is posted whenever an element
* changed its state asynchronously and is used internally to update the
* states of container objects.
*
* Returns: The new state dirty message.
*
* MT safe.
*/
GstMessage *
gst_message_new_state_dirty (GstObject * src)
{
GstMessage *message;
message = gst_message_new_custom (GST_MESSAGE_STATE_DIRTY, src, NULL);
return message;
}
/**
* gst_message_new_clock_provide:
* @src: The object originating the message.
@ -664,7 +685,6 @@ gst_message_parse_tag (GstMessage * message, GstTagList ** tag_list)
/**
* gst_message_parse_state_changed:
* @message: a valid #GstMessage of type GST_MESSAGE_STATE_CHANGED
* @async: is this an async state change
* @oldstate: the previous state
* @newstate: the new (current) state
* @pending: the pending (target) state
@ -674,14 +694,12 @@ gst_message_parse_tag (GstMessage * message, GstTagList ** tag_list)
* MT safe.
*/
void
gst_message_parse_state_changed (GstMessage * message, gboolean * async,
gst_message_parse_state_changed (GstMessage * message,
GstState * oldstate, GstState * newstate, GstState * pending)
{
g_return_if_fail (GST_IS_MESSAGE (message));
g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED);
if (async)
gst_structure_get_boolean (message->structure, "async", async);
if (oldstate)
gst_structure_get_enum (message->structure, "old-state",
GST_TYPE_STATE, (gint *) oldstate);

28
gst/gstmessage.h
View file

@ -67,17 +67,18 @@ typedef enum
GST_MESSAGE_TAG = (1 << 4),
GST_MESSAGE_BUFFERING = (1 << 5),
GST_MESSAGE_STATE_CHANGED = (1 << 6),
GST_MESSAGE_STEP_DONE = (1 << 7),
GST_MESSAGE_CLOCK_PROVIDE = (1 << 8),
GST_MESSAGE_CLOCK_LOST = (1 << 9),
GST_MESSAGE_NEW_CLOCK = (1 << 10),
GST_MESSAGE_STRUCTURE_CHANGE = (1 << 11),
GST_MESSAGE_STREAM_STATUS = (1 << 12),
GST_MESSAGE_APPLICATION = (1 << 13),
GST_MESSAGE_ELEMENT = (1 << 14),
GST_MESSAGE_SEGMENT_START = (1 << 15),
GST_MESSAGE_SEGMENT_DONE = (1 << 16),
GST_MESSAGE_DURATION = (1 << 17),
GST_MESSAGE_STATE_DIRTY = (1 << 7),
GST_MESSAGE_STEP_DONE = (1 << 8),
GST_MESSAGE_CLOCK_PROVIDE = (1 << 9),
GST_MESSAGE_CLOCK_LOST = (1 << 10),
GST_MESSAGE_NEW_CLOCK = (1 << 11),
GST_MESSAGE_STRUCTURE_CHANGE = (1 << 12),
GST_MESSAGE_STREAM_STATUS = (1 << 13),
GST_MESSAGE_APPLICATION = (1 << 14),
GST_MESSAGE_ELEMENT = (1 << 15),
GST_MESSAGE_SEGMENT_START = (1 << 16),
GST_MESSAGE_SEGMENT_DONE = (1 << 17),
GST_MESSAGE_DURATION = (1 << 18),
GST_MESSAGE_ANY = 0xffffffff
} GstMessageType;
@ -190,8 +191,9 @@ GstMessage * gst_message_new_eos (GstObject * src);
GstMessage * gst_message_new_error (GstObject * src, GError * error, gchar * debug);
GstMessage * gst_message_new_warning (GstObject * src, GError * error, gchar * debug);
GstMessage * gst_message_new_tag (GstObject * src, GstTagList * tag_list);
GstMessage * gst_message_new_state_changed (GstObject * src, gboolean async, GstState oldstate,
GstMessage * gst_message_new_state_changed (GstObject * src, GstState oldstate,
GstState newstate, GstState pending);
GstMessage * gst_message_new_state_dirty (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);
@ -207,7 +209,7 @@ GstMessage * gst_message_new_custom (GstMessageType type,
void gst_message_parse_error (GstMessage *message, GError **gerror, gchar **debug);
void gst_message_parse_warning (GstMessage *message, GError **gerror, gchar **debug);
void gst_message_parse_tag (GstMessage *message, GstTagList **tag_list);
void gst_message_parse_state_changed (GstMessage *message, gboolean *async, GstState *oldstate,
void gst_message_parse_state_changed (GstMessage *message, GstState *oldstate,
GstState *newstate, GstState *pending);
void gst_message_parse_clock_provide (GstMessage *message, GstClock **clock, gboolean *ready);
void gst_message_parse_clock_lost (GstMessage *message, GstClock **clock);

8
tests/check/gst/gstbin.c
View file

@ -464,11 +464,10 @@ GST_END_TEST;
{ \
GstMessage *msg; \
GstState old = 0, new = 0, pending = 0; \
gboolean async; \
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND); \
fail_if (msg == NULL, "No state change message within 1 second (#" \
G_STRINGIFY (num) ")"); \
gst_message_parse_state_changed (msg, &async, &old, &new, &pending); \
gst_message_parse_state_changed (msg, &old, &new, &pending); \
fail_if (msg->src != GST_OBJECT (element), G_STRINGIFY(element) \
" should have changed state next (#" G_STRINGIFY (num) ")"); \
fail_if (old != old_state || new != new_state, "state change is not " \
@ -713,13 +712,12 @@ GST_START_TEST (test_children_state_change_order_two_sink)
{
GstMessage *msg;
GstState old = 0, new = 0, pending = 0;
gboolean async;
GstObject *first, *second;
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
fail_if (msg == NULL, "No state change message within 1 second (#201)");
gst_message_parse_state_changed (msg, &async, &old, &new, &pending);
gst_message_parse_state_changed (msg, &old, &new, &pending);
first = gst_object_ref (msg->src);
fail_if (first != GST_OBJECT (sink1) && first != GST_OBJECT (sink2),
@ -729,7 +727,7 @@ GST_START_TEST (test_children_state_change_order_two_sink)
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
fail_if (msg == NULL, "No state change message within 1 second (#201)");
gst_message_parse_state_changed (msg, &async, &old, &new, &pending);
gst_message_parse_state_changed (msg, &old, &new, &pending);
second = gst_object_ref (msg->src);
fail_if (second != GST_OBJECT (sink1) && second != GST_OBJECT (sink2),

11
tests/check/gst/gstmessage.c
View file

@ -121,29 +121,22 @@ GST_START_TEST (test_parsing)
/* GST_MESSAGE_STATE_CHANGED */
{
GstState oldstate, newstate, pending;
gboolean async;
async = TRUE;
oldstate = GST_STATE_PAUSED;
newstate = GST_STATE_PLAYING;
pending = GST_STATE_VOID_PENDING;
message =
gst_message_new_state_changed (NULL, async, oldstate, newstate,
pending);
message = gst_message_new_state_changed (NULL, oldstate, newstate, pending);
fail_if (message == NULL);
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED);
fail_unless (GST_MESSAGE_SRC (message) == NULL);
/* set some wrong values to check if the parse method overwrites them
* with the good values */
async = FALSE;
oldstate = GST_STATE_READY;
newstate = GST_STATE_READY;
pending = GST_STATE_READY;
gst_message_parse_state_changed (message, &async, &oldstate, &newstate,
&pending);
fail_unless (async == TRUE);
gst_message_parse_state_changed (message, &oldstate, &newstate, &pending);
fail_unless (oldstate == GST_STATE_PAUSED);
fail_unless (newstate == GST_STATE_PLAYING);
fail_unless (pending == GST_STATE_VOID_PENDING);

6
tests/check/gst/gstpipeline.c
View file

@ -84,11 +84,10 @@ GST_START_TEST (test_async_state_change_fake)
while (!done) {
GstMessage *message;
GstState old, new, pending;
gboolean async;
message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
if (message) {
gst_message_parse_state_changed (message, &async, &old, &new, &pending);
gst_message_parse_state_changed (message, &old, &new, &pending);
GST_DEBUG_OBJECT (message->src, "state change from %d to %d", old, new);
if (message->src == GST_OBJECT (pipeline) && new == GST_STATE_PLAYING)
done = TRUE;
@ -139,10 +138,9 @@ message_received (GstBus * bus, GstMessage * message, gpointer data)
case GST_MESSAGE_STATE_CHANGED:
{
GstState old, new, pending;
gboolean async;
GST_DEBUG ("state change message received");
gst_message_parse_state_changed (message, &async, &old, &new, &pending);
gst_message_parse_state_changed (message, &old, &new, &pending);
GST_DEBUG ("new state %d", new);
if (message->src == GST_OBJECT (pipeline) && new == GST_STATE_PLAYING) {
GST_DEBUG ("quitting main loop");

3
tools/gst-launch.c
View file

@ -453,9 +453,8 @@ event_loop (GstElement * pipeline, gboolean blocking)
}
case GST_MESSAGE_STATE_CHANGED:{
GstState old, new, pending;
gboolean async;
gst_message_parse_state_changed (message, &async, &old, &new, &pending);
gst_message_parse_state_changed (message, &old, &new, &pending);
if (!(old == GST_STATE_PLAYING && new == GST_STATE_PAUSED &&
GST_MESSAGE_SRC (message) == GST_OBJECT (pipeline))) {
gst_message_unref (message);