/* #define GST_DEBUG_ENABLED */
#include <glib.h>
#include <stdarg.h>
+#include <gobject/gvaluecollector.h>
#include "gst_private.h"
#include "gstelement.h"
static void gst_element_init (GstElement *element);
static void gst_element_base_class_init (GstElementClass *klass);
-static void gst_element_set_property (GObject *object, guint prop_id,
+static void gst_element_real_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
-static void gst_element_get_property (GObject *object, guint prop_id, GValue *value,
+static void gst_element_real_get_property (GObject *object, guint prop_id, GValue *value,
GParamSpec *pspec);
static void gst_element_dispatch_properties_changed (GObject * object, guint n_pspecs, GParamSpec **pspecs);
2, G_TYPE_OBJECT, G_TYPE_PARAM);
- gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_element_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_element_get_property);
+ gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_element_real_set_property);
+ gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_element_real_get_property);
/* see the comments at gst_element_dispatch_properties_changed */
gobject_class->dispatch_properties_changed
gobject_class = (GObjectClass*) klass;
- gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_element_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_element_get_property);
+ gobject_class->set_property = GST_DEBUG_FUNCPTR(gst_element_real_set_property);
+ gobject_class->get_property = GST_DEBUG_FUNCPTR(gst_element_real_get_property);
}
static void
}
static void
-gst_element_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_element_real_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstElementClass *oclass = CLASS (object);
}
static void
-gst_element_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_element_real_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstElementClass *oclass = CLASS (object);
}
}
+typedef struct {
+ const GParamSpec *pspec;
+ const GValue *value;
+} prop_value_t;
+
+static void
+element_set_property (GstElement *element, const GParamSpec *pspec, const GValue *value)
+{
+ prop_value_t *prop_value = g_new0 (prop_value_t, 1);
+
+ g_message ("Setting property %s::%s to %s for object %s\n", G_OBJECT_TYPE_NAME (element),
+ pspec->name, g_strdup_value_contents (value), GST_OBJECT_NAME (element));
+
+ prop_value->pspec = pspec;
+ prop_value->value = value;
+
+ g_async_queue_push (element->prop_value_queue, prop_value);
+}
+
+static void
+element_get_property (GstElement *element, const GParamSpec *pspec, GValue *value)
+{
+ g_message ("Getting property %s::%s to %s for object %s\n", G_OBJECT_TYPE_NAME (element),
+ pspec->name, g_strdup_value_contents (value), GST_OBJECT_NAME (element));
+
+ g_mutex_lock (element->property_mutex);
+ g_object_get_property ((GObject*)element, pspec->name, value);
+ g_mutex_unlock (element->property_mutex);
+}
+
+static void
+gst_element_threadsafe_properties_pre_run (GstElement *element)
+{
+ GST_DEBUG (GST_CAT_THREAD, "locking element %s", GST_OBJECT_NAME (element));
+ g_mutex_lock (element->property_mutex);
+ gst_element_set_pending_properties (element);
+}
+
+static void
+gst_element_threadsafe_properties_post_run (GstElement *element)
+{
+ GST_DEBUG (GST_CAT_THREAD, "unlocking element %s", GST_OBJECT_NAME (element));
+ g_mutex_unlock (element->property_mutex);
+}
+
+void
+gst_element_enable_threadsafe_properties (GstElement *element)
+{
+ g_return_if_fail (GST_IS_ELEMENT (element));
+
+ GST_FLAG_SET (element, GST_ELEMENT_USE_THREADSAFE_PROPERTIES);
+ element->pre_run_func = gst_element_threadsafe_properties_pre_run;
+ element->post_run_func = gst_element_threadsafe_properties_post_run;
+ if (!element->prop_value_queue)
+ element->prop_value_queue = g_async_queue_new ();
+ if (!element->property_mutex)
+ element->property_mutex = g_mutex_new ();
+}
+
+void
+gst_element_disable_threadsafe_properties (GstElement *element)
+{
+ g_return_if_fail (GST_IS_ELEMENT (element));
+
+ GST_FLAG_UNSET (element, GST_ELEMENT_USE_THREADSAFE_PROPERTIES);
+ element->pre_run_func = NULL;
+ element->post_run_func = NULL;
+ /* let's keep around that async queue */
+}
+
+void
+gst_element_set_pending_properties (GstElement *element)
+{
+ prop_value_t *prop_value;
+
+ while ((prop_value = g_async_queue_try_pop (element->prop_value_queue))) {
+ g_object_set_property ((GObject*)element, prop_value->pspec->name, prop_value->value);
+ g_free (prop_value);
+ }
+}
+
+/* following 6 functions taken mostly from gobject.c */
+
+void
+gst_element_set (GstElement *element, const gchar *first_property_name, ...)
+{
+ va_list var_args;
+
+ g_return_if_fail (GST_IS_ELEMENT (element));
+
+ va_start (var_args, first_property_name);
+ gst_element_set_valist (element, first_property_name, var_args);
+ va_end (var_args);
+}
+
+void
+gst_element_get (GstElement *element, const gchar *first_property_name, ...)
+{
+ va_list var_args;
+
+ g_return_if_fail (GST_IS_ELEMENT (element));
+
+ va_start (var_args, first_property_name);
+ gst_element_get_valist (element, first_property_name, var_args);
+ va_end (var_args);
+}
+
+void
+gst_element_set_valist (GstElement *element, const gchar *first_property_name, va_list var_args)
+{
+ const gchar *name;
+ GObject *object;
+
+ g_return_if_fail (GST_IS_ELEMENT (element));
+
+ object = (GObject*)element;
+
+ if (!GST_FLAG_IS_SET (element, GST_ELEMENT_USE_THREADSAFE_PROPERTIES)) {
+ g_object_set_valist (object, first_property_name, var_args);
+ return;
+ }
+
+ g_object_ref (object);
+
+ name = first_property_name;
+
+ while (name)
+ {
+ GValue value = { 0, };
+ GParamSpec *pspec;
+ gchar *error = NULL;
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object), name);
+
+ if (!pspec)
+ {
+ g_warning ("%s: object class `%s' has no property named `%s'",
+ G_STRLOC,
+ G_OBJECT_TYPE_NAME (object),
+ name);
+ break;
+ }
+ if (!(pspec->flags & G_PARAM_WRITABLE))
+ {
+ g_warning ("%s: property `%s' of object class `%s' is not writable",
+ G_STRLOC,
+ pspec->name,
+ G_OBJECT_TYPE_NAME (object));
+ break;
+ }
+
+ g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
+
+ G_VALUE_COLLECT (&value, var_args, 0, &error);
+ if (error)
+ {
+ g_warning ("%s: %s", G_STRLOC, error);
+ g_free (error);
+
+ /* we purposely leak the value here, it might not be
+ * in a sane state if an error condition occoured
+ */
+ break;
+ }
+
+ element_set_property (element, pspec, &value);
+ g_value_unset (&value);
+
+ name = va_arg (var_args, gchar*);
+ }
+
+ g_object_unref (object);
+}
+
+void
+gst_element_get_valist (GstElement *element, const gchar *first_property_name, va_list var_args)
+{
+ const gchar *name;
+ GObject *object;
+
+ g_return_if_fail (GST_IS_ELEMENT (element));
+
+ object = (GObject*)element;
+
+ if (!GST_FLAG_IS_SET (element, GST_ELEMENT_USE_THREADSAFE_PROPERTIES)) {
+ g_object_get_valist (object, first_property_name, var_args);
+ return;
+ }
+
+ g_object_ref (object);
+
+ name = first_property_name;
+
+ while (name)
+ {
+ GValue value = { 0, };
+ GParamSpec *pspec;
+ gchar *error;
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object), name);
+
+ if (!pspec)
+ {
+ g_warning ("%s: object class `%s' has no property named `%s'",
+ G_STRLOC,
+ G_OBJECT_TYPE_NAME (object),
+ name);
+ break;
+ }
+ if (!(pspec->flags & G_PARAM_READABLE))
+ {
+ g_warning ("%s: property `%s' of object class `%s' is not readable",
+ G_STRLOC,
+ pspec->name,
+ G_OBJECT_TYPE_NAME (object));
+ break;
+ }
+
+ g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
+
+ element_get_property (element, pspec, &value);
+
+ G_VALUE_LCOPY (&value, var_args, 0, &error);
+ if (error)
+ {
+ g_warning ("%s: %s", G_STRLOC, error);
+ g_free (error);
+ g_value_unset (&value);
+ break;
+ }
+
+ g_value_unset (&value);
+
+ name = va_arg (var_args, gchar*);
+ }
+
+ g_object_unref (object);
+}
+
+void
+gst_element_set_property (GstElement *element, const gchar *property_name, const GValue *value)
+{
+ GParamSpec *pspec;
+ GObject *object;
+
+ g_return_if_fail (GST_IS_ELEMENT (element));
+ g_return_if_fail (property_name != NULL);
+ g_return_if_fail (G_IS_VALUE (value));
+
+ object = (GObject*)element;
+
+ if (!GST_FLAG_IS_SET (element, GST_ELEMENT_USE_THREADSAFE_PROPERTIES)) {
+ g_object_set_property (object, property_name, value);
+ return;
+ }
+
+ g_object_ref (object);
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object), property_name);
+
+ if (!pspec)
+ g_warning ("%s: object class `%s' has no property named `%s'",
+ G_STRLOC,
+ G_OBJECT_TYPE_NAME (object),
+ property_name);
+ else
+ element_set_property (element, pspec, value);
+
+ g_object_unref (object);
+}
+
+void
+gst_element_get_property (GstElement *element, const gchar *property_name, GValue *value)
+{
+ GParamSpec *pspec;
+ GObject *object;
+
+ g_return_if_fail (GST_IS_ELEMENT (element));
+ g_return_if_fail (property_name != NULL);
+ g_return_if_fail (G_IS_VALUE (value));
+
+ object = (GObject*)element;
+
+ if (!GST_FLAG_IS_SET (element, GST_ELEMENT_USE_THREADSAFE_PROPERTIES)) {
+ g_object_get_property (object, property_name, value);
+ return;
+ }
+
+ g_object_ref (object);
+
+ pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object), property_name);
+
+ if (!pspec)
+ g_warning ("%s: object class `%s' has no property named `%s'",
+ G_STRLOC,
+ G_OBJECT_TYPE_NAME (object),
+ property_name);
+ else
+ {
+ GValue *prop_value, tmp_value = { 0, };
+
+ /* auto-conversion of the callers value type
+ */
+ if (G_VALUE_TYPE (value) == G_PARAM_SPEC_VALUE_TYPE (pspec))
+ {
+ g_value_reset (value);
+ prop_value = value;
+ }
+ else if (!g_value_type_transformable (G_PARAM_SPEC_VALUE_TYPE (pspec), G_VALUE_TYPE (value)))
+ {
+ g_warning ("can't retrieve property `%s' of type `%s' as value of type `%s'",
+ pspec->name,
+ g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)),
+ G_VALUE_TYPE_NAME (value));
+ g_object_unref (object);
+ return;
+ }
+ else
+ {
+ g_value_init (&tmp_value, G_PARAM_SPEC_VALUE_TYPE (pspec));
+ prop_value = &tmp_value;
+ }
+ element_get_property (element, pspec, prop_value);
+ if (prop_value != value)
+ {
+ g_value_transform (prop_value, value);
+ g_value_unset (&tmp_value);
+ }
+ }
+
+ g_object_unref (object);
+}
+
static GstPad*
gst_element_request_pad (GstElement *element, GstPadTemplate *templ, const gchar* name)
{
g_mutex_free (element->state_mutex);
g_cond_free (element->state_cond);
+ if (element->prop_value_queue)
+ g_async_queue_unref (element->prop_value_queue);
+ element->prop_value_queue = NULL;
+ if (element->property_mutex)
+ g_mutex_free (element->property_mutex);
+
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_element_populate_std_props (GObjectClass * klass,
- const char *prop_name, guint arg_id, GParamFlags flags)
+ const gchar *prop_name, guint arg_id, GParamFlags flags)
{
GQuark prop_id = g_quark_from_string (prop_name);
GParamSpec *pspec;
* the flags determine readability / writeability.
**/
void
-gst_element_class_install_std_props (GstElementClass * klass, const char *first_name, ...)
+gst_element_class_install_std_props (GstElementClass * klass, const gchar *first_name, ...)
{
const char *name;
#include <gst/gstclock.h>
#include <gst/gstpluginfeature.h>
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+G_BEGIN_DECLS
#define GST_NUM_STATES 4
GST_ELEMENT_THREAD_SUGGESTED,
/* this element is incable of seeking (FIXME: does this apply to filters?) */
GST_ELEMENT_NO_SEEK,
-
/* this element, for some reason, has a loop function that performs
* an infinite loop without calls to gst_element_yield () */
GST_ELEMENT_INFINITE_LOOP,
-
- /* private flags that can be used by the scheduler */
- GST_ELEMENT_SCHEDULER_PRIVATE1,
- GST_ELEMENT_SCHEDULER_PRIVATE2,
-
/* there is a new loopfunction ready for placement */
GST_ELEMENT_NEW_LOOPFUNC,
-
/* if this element can handle events */
GST_ELEMENT_EVENT_AWARE,
+ /* use threadsafe property get/set implementation */
+ GST_ELEMENT_USE_THREADSAFE_PROPERTIES,
+
+ /* private flags that can be used by the scheduler */
+ GST_ELEMENT_SCHEDULER_PRIVATE1,
+ GST_ELEMENT_SCHEDULER_PRIVATE2,
/* use some padding for future expansion */
- GST_ELEMENT_FLAG_LAST = GST_OBJECT_FLAG_LAST + 12,
+ GST_ELEMENT_FLAG_LAST = GST_OBJECT_FLAG_LAST + 16,
} GstElementFlags;
#define GST_ELEMENT_IS_THREAD_SUGGESTED(obj) (GST_FLAG_IS_SET(obj,GST_ELEMENT_THREAD_SUGGESTED))
#define GST_ELEMENT_CLOCK(obj) (((GstElement*)(obj))->clock)
#define GST_ELEMENT_PADS(obj) ((obj)->pads)
-/*typedef struct _GstElement GstElement;*/
-/*typedef struct _GstElementClass GstElementClass;*/
typedef struct _GstElementFactory GstElementFactory;
typedef struct _GstElementFactoryClass GstElementFactoryClass;
typedef void (*GstElementLoopFunction) (GstElement *element);
typedef void (*GstElementSetClockFunction) (GstElement *element, GstClock *clock);
typedef GstClock* (*GstElementGetClockFunction) (GstElement *element);
+typedef void (*GstElementPreRunFunction) (GstElement *element);
+typedef void (*GstElementPostRunFunction) (GstElement *element);
struct _GstElement {
GstObject object;
GMutex *state_mutex;
GCond *state_cond;
+
+ GstElementPreRunFunction pre_run_func;
+ GstElementPostRunFunction post_run_func;
+ GAsyncQueue *prop_value_queue;
+ GMutex *property_mutex;
};
struct _GstElementClass {
gint numpadtemplates;
/* signal callbacks */
- void (*state_change) (GstElement *element, GstElementState old, GstElementState state);
- void (*new_pad) (GstElement *element, GstPad *pad);
- void (*pad_removed) (GstElement *element, GstPad *pad);
- void (*error) (GstElement *element, GstElement *source, gchar *error);
- void (*eos) (GstElement *element);
- void (*deep_notify) (GstObject *object, GstObject *orig, GParamSpec *pspec);
+ void (*state_change) (GstElement *element, GstElementState old, GstElementState state);
+ void (*new_pad) (GstElement *element, GstPad *pad);
+ void (*pad_removed) (GstElement *element, GstPad *pad);
+ void (*error) (GstElement *element, GstElement *source, gchar *error);
+ void (*eos) (GstElement *element);
+ void (*deep_notify) (GstObject *object, GstObject *orig, GParamSpec *pspec);
/* local pointers for get/set */
void (*set_property) (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
};
void gst_element_class_add_pad_template (GstElementClass *klass, GstPadTemplate *templ);
+void gst_element_class_install_std_props (GstElementClass *klass,
+ const gchar *first_name, ...);
+
GType gst_element_get_type (void);
#define gst_element_destroy(element) gst_object_destroy (GST_OBJECT (element))
void gst_element_set_loop_function (GstElement *element,
GstElementLoopFunction loop);
+/* threadsafe versions of their g_object_* counterparts */
+void gst_element_set (GstElement *element, const gchar *first_property_name, ...);
+void gst_element_get (GstElement *element, const gchar *first_property_name, ...);
+void gst_element_set_valist (GstElement *element, const gchar *first_property_name,
+ va_list var_args);
+void gst_element_get_valist (GstElement *element, const gchar *first_property_name,
+ va_list var_args);
+void gst_element_set_property (GstElement *element, const gchar *property_name,
+ const GValue *value);
+void gst_element_get_property (GstElement *element, const gchar *property_name,
+ GValue *value);
+
+void gst_element_enable_threadsafe_properties (GstElement *element);
+void gst_element_disable_threadsafe_properties (GstElement *element);
+void gst_element_set_pending_properties (GstElement *element);
+
void gst_element_set_name (GstElement *element, const gchar *name);
const gchar* gst_element_get_name (GstElement *element);
GstElementFactory* gst_element_get_factory (GstElement *element);
-void gst_element_class_install_std_props (GstElementClass *klass,
- const char *first_name, ...);
-
GstBin* gst_element_get_managing_bin (GstElement *element);
/* FIXME this name is wrong, probably so is the one above it */
GstElement* gst_element_factory_make (const gchar *factoryname, const gchar *name);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+G_END_DECLS
#endif /* __GST_ELEMENT_H__ */
/* locking for all sorts of things (like the refcount) */
GMutex *lock;
- /* this objects parent */
+ /* this object's parent */
GstObject *parent;
guint32 flags;
GstBuffer*
gst_pad_pull (GstPad *pad)
{
- GstRealPad *peer = GST_RPAD_PEER(pad);
+ GstRealPad *peer;
+
+ peer = GST_RPAD_PEER (pad);
GST_DEBUG_ENTER("(%s:%s)",GST_DEBUG_PAD_NAME(pad));
GST_DEBUG_FUNCPTR_NAME (peer->gethandler), GST_DEBUG_PAD_NAME (peer));
buf = (peer->gethandler) (GST_PAD_CAST (peer));
+
if (buf)
return buf;
+
/* no null buffers allowed */
gst_element_error (GST_PAD_PARENT (pad),
"NULL buffer during pull on %s:%s", GST_DEBUG_PAD_NAME (pad), NULL);
g_mutex_unlock (thread->lock);
break;
case GST_STATE_PAUSED_TO_PLAYING:
+ {
+ /* fixme: recurse into sub-bins */
+ const GList *elements = gst_bin_get_list (GST_BIN (thread));
+ while (elements) {
+ gst_element_enable_threadsafe_properties ((GstElement*)elements->data);
+ elements = g_list_next (elements);
+ }
+
THR_DEBUG ("telling thread to start spinning");
g_mutex_lock (thread->lock);
THR_DEBUG ("signaling");
THR_DEBUG ("got ack");
g_mutex_unlock (thread->lock);
break;
+ }
case GST_STATE_PLAYING_TO_PAUSED:
{
- GList *elements = (GList *) gst_bin_get_list (GST_BIN (thread));
+ const GList *elements = (GList *) gst_bin_get_list (GST_BIN (thread));
THR_INFO ("pausing thread");
}
}
}
+
+ gst_element_disable_threadsafe_properties (element);
}
THR_DEBUG ("telling thread to pause, signaling");
g_cond_signal (thread->cond);
*/
/*#define GST_DEBUG_ENABLED */
-#include <gst/gst.h>
+#include "../gst.h"
#include "cothreads_compat.h"
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASIC_SCHEDULER))
#define GST_BASIC_SCHEDULER_CAST(sched) ((GstBasicScheduler *)(sched))
+#define SCHED(element) GST_BASIC_SCHEDULER_CAST (GST_ELEMENT_SCHED (element))
typedef enum {
GST_BASIC_SCHEDULER_STATE_NONE,
GstBasicSchedulerState state;
cothread_context *context;
+ GstElement *current;
};
struct _GstBasicSchedulerClass {
static GstSchedulerClass *parent_class = NULL;
+#define do_element_switch(element) G_STMT_START{ \
+ GstElement *from = SCHED (element)->current; \
+ if (from->post_run_func) \
+ from->post_run_func (from); \
+ SCHED (element)->current = element; \
+ do_cothread_switch (GST_ELEMENT_THREADSTATE (element)); \
+ /* we assume other cothread switches will set ->current \
+ * properly, no need to do it from this side */ \
+ if (from->pre_run_func) \
+ from->pre_run_func (from); \
+}G_STMT_END
+
static GType
gst_basic_scheduler_get_type (void)
{
GST_DEBUG_ENTER ("(%d,\"%s\")", argc, name);
+ if (element->pre_run_func)
+ element->pre_run_func (element);
+
do {
pads = element->pads;
while (pads) {
static void
gst_basic_scheduler_chainhandler_proxy (GstPad * pad, GstBuffer * buf)
{
- GstRealPad *peer = GST_RPAD_PEER (pad);
gint loop_count = 100;
+ GstElement *parent;
+ GstRealPad *peer;
+
+ parent = GST_PAD_PARENT (pad);
+ peer = GST_RPAD_PEER (pad);
GST_DEBUG_ENTER ("(%s:%s)", GST_DEBUG_PAD_NAME (pad));
GST_DEBUG (GST_CAT_DATAFLOW, "putting buffer %p in peer \"%s:%s\"'s pen", buf,
*/
while (GST_RPAD_BUFPEN (GST_RPAD_PEER (pad)) != NULL && --loop_count) {
GST_DEBUG (GST_CAT_DATAFLOW, "switching to %p to empty bufpen %d",
- GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)), loop_count);
- do_cothread_switch (GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
+ GST_ELEMENT_THREADSTATE (parent), loop_count);
+
+ do_element_switch (parent);
/* we may no longer be the same pad, check. */
if (GST_RPAD_PEER (peer) != (GstRealPad *) pad) {
}
if (loop_count == 0) {
- gst_element_error (GST_PAD_PARENT (pad),
+ gst_element_error (parent,
"(internal error) maximum number of switches exceeded");
return;
}
+
g_assert (GST_RPAD_BUFPEN (GST_RPAD_PEER (pad)) == NULL);
+
/* now fill the bufferpen and switch so it can be consumed */
GST_RPAD_BUFPEN (GST_RPAD_PEER (pad)) = buf;
GST_DEBUG (GST_CAT_DATAFLOW, "switching to %p",
GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
- do_cothread_switch (GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
+
+ do_element_switch (parent);
GST_DEBUG (GST_CAT_DATAFLOW, "done switching");
}
static void
gst_basic_scheduler_select_proxy (GstPad * pad, GstBuffer * buf)
{
+ GstElement *parent;
+
+ parent = GST_PAD_PARENT (pad);
+
GST_DEBUG_ENTER ("(%s:%s)", GST_DEBUG_PAD_NAME (pad));
GST_DEBUG (GST_CAT_DATAFLOW, "putting buffer %p in peer's pen", buf);
/* now fill the bufferpen and switch so it can be consumed */
GST_RPAD_BUFPEN (GST_RPAD_PEER (pad)) = buf;
GST_DEBUG (GST_CAT_DATAFLOW, "switching to %p",
- GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
- GST_ELEMENT (GST_PAD_PARENT (pad))->select_pad = pad;
-
- do_cothread_switch (GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
+ GST_ELEMENT_THREADSTATE (parent));
+ parent->select_pad = pad;
+ do_element_switch (parent);
+
GST_DEBUG (GST_CAT_DATAFLOW, "done switching");
}
gst_basic_scheduler_gethandler_proxy (GstPad * pad)
{
GstBuffer *buf;
- GstRealPad *peer = GST_RPAD_PEER (pad);
+ GstElement *parent;
+ GstRealPad *peer;
+
+ parent = GST_PAD_PARENT (pad);
+ peer = GST_RPAD_PEER (pad);
GST_DEBUG_ENTER ("(%s:%s)", GST_DEBUG_PAD_NAME (pad));
/* we will loop switching to the peer until it's filled up the bufferpen */
while (GST_RPAD_BUFPEN (pad) == NULL) {
GST_DEBUG (GST_CAT_DATAFLOW, "switching to \"%s\": %p to fill bufpen",
- GST_ELEMENT_NAME (GST_ELEMENT (GST_PAD_PARENT (pad))),
- GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
- do_cothread_switch (GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
+ GST_ELEMENT_NAME (parent),
+ GST_ELEMENT_THREADSTATE (parent));
+
+ do_element_switch (parent);
/* we may no longer be the same pad, check. */
if (GST_RPAD_PEER (peer) != (GstRealPad *) pad) {
GST_DEBUG (GST_CAT_DATAFLOW, "new pad in mid-switch!");
pad = (GstPad *) GST_RPAD_PEER (peer);
if (!pad) {
- gst_element_error (GST_ELEMENT (GST_PAD_PARENT (peer)), "pad unconnected");
+ gst_element_error (parent, "pad unconnected");
}
}
}
gst_basic_scheduler_pullregionfunc_proxy (GstPad * pad, GstRegionType type, guint64 offset, guint64 len)
{
GstBuffer *buf;
- GstRealPad *peer = GST_RPAD_PEER (pad);
+ GstElement *parent;
+ GstRealPad *peer;
+
+ parent = GST_PAD_PARENT (pad);
+ peer = GST_RPAD_PEER (pad);
GST_DEBUG_ENTER ("%s:%s,%d,%lld,%lld", GST_DEBUG_PAD_NAME (pad), type, offset, len);
/* we will loop switching to the peer until it's filled up the bufferpen */
while (GST_RPAD_BUFPEN (pad) == NULL) {
GST_DEBUG (GST_CAT_DATAFLOW, "switching to %p to fill bufpen",
- GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
- do_cothread_switch (GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (pad)));
+ GST_ELEMENT_THREADSTATE (parent));
+
+ do_element_switch (parent);
/* we may no longer be the same pad, check. */
if (GST_RPAD_PEER (peer) != (GstRealPad *) pad) {
gst_basic_scheduler_yield (GstScheduler *sched, GstElement *element)
{
if (GST_ELEMENT_IS_COTHREAD_STOPPING (element)) {
+ if (element->post_run_func)
+ element->post_run_func (element);
+
+ SCHED (element)->current = NULL;
do_cothread_switch (do_cothread_get_main (((GstBasicScheduler *) sched)->context));
+
+ /* no need to do a pre_run, the cothread is stopping */
}
}
gst_basic_scheduler_interrupt (GstScheduler *sched, GstElement *element)
{
GST_FLAG_SET (element, GST_ELEMENT_COTHREAD_STOPPING);
+
+ if (element->post_run_func)
+ element->post_run_func (element);
+
+ SCHED (element)->current = NULL;
do_cothread_switch (do_cothread_get_main (((GstBasicScheduler *) sched)->context));
return FALSE;
GST_SCHEDULER_STATE (sched) = GST_SCHEDULER_STATE_ERROR;
+ if (element->post_run_func)
+ element->post_run_func (element);
+
+ SCHED (element)->current = NULL;
do_cothread_switch (do_cothread_get_main (((GstBasicScheduler *) sched)->context));
}
}
if (pad != NULL) {
GstRealPad *peer = GST_RPAD_PEER (pad);
- do_cothread_switch (GST_ELEMENT_THREADSTATE (GST_PAD_PARENT (peer)));
+ do_element_switch (GST_PAD_PARENT (peer));
pad = GST_ELEMENT (GST_PAD_PARENT (pad))->select_pad;
GST_DEBUG (GST_CAT_DATAFLOW, "set COTHREAD_STOPPING flag on \"%s\"(@%p)",
GST_ELEMENT_NAME (entry), entry);
if (GST_ELEMENT_THREADSTATE (entry)) {
+ if (entry->pre_run_func)
+ entry->pre_run_func (entry);
+
+ bsched->current = entry;
do_cothread_switch (GST_ELEMENT_THREADSTATE (entry));
+
+ if (bsched->current && bsched->current->post_run_func)
+ bsched->current->post_run_func (bsched->current);
+
state = GST_SCHEDULER_STATE (sched);
/* if something changed, return - go on else */
if (GST_FLAG_IS_SET(bsched, GST_BASIC_SCHEDULER_CHANGE) &&