mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-04 01:32:42 +00:00
457e99ab07
Original commit message from CVS: * gst/elements/gstfakesink.c: (gst_fakesink_event): * gst/elements/gstfakesrc.c: (gst_fakesrc_update_functions), (gst_fakesrc_loop), (gst_fakesrc_activate): * gst/elements/gstfilesrc.c: (gst_filesrc_init), (gst_filesrc_getrange), (gst_filesrc_get), (gst_filesrc_loop): * gst/gstbin.c: (gst_bin_class_init), (gst_bin_set_index), (gst_bin_set_clock), (gst_bin_set_bus), (gst_bin_set_scheduler), (gst_bin_add_func), (gst_bin_iterate_elements), (gst_bin_change_state), (gst_bin_get_by_name_recurse_up): * gst/gstcaps.c: (gst_caps_intersect): * gst/gstelement.c: (gst_element_pads_activate), (gst_element_change_state), (gst_element_create_task): * gst/gstobject.c: (gst_object_class_init), (gst_object_ref), (gst_object_unref), (gst_object_sink), (gst_object_dispose), (gst_object_dispatch_properties_changed), (gst_object_set_name), (gst_object_set_parent), (gst_object_unparent), (gst_object_check_uniqueness), (gst_object_get_path_string): * gst/gstpad.c: (gst_real_pad_init), (gst_real_pad_get_property), (gst_pad_set_active), (gst_pad_is_active), (gst_pad_set_blocked_async), (gst_pad_set_loop_function), (gst_pad_set_getrange_function), (gst_pad_set_acceptcaps_function), (gst_pad_set_fixatecaps_function), (gst_pad_set_setcaps_function), (gst_pad_unlink), (gst_pad_link_prepare_filtered), (gst_pad_link_filtered), (gst_pad_relink_filtered), (gst_pad_get_caps), (gst_pad_set_caps), (gst_pad_configure_sink), (gst_pad_configure_src), (gst_pad_realize), (gst_pad_get_allowed_caps), (gst_pad_get_negotiated_caps), (gst_pad_get_filter_caps), (gst_pad_alloc_buffer), (gst_pad_push), (gst_pad_push_event): * gst/gstpad.h: * gst/gstpipeline.c: (gst_pipeline_init), (gst_pipeline_dispose), (is_eos), (pipeline_bus_handler), (gst_pipeline_change_state), (gst_pipeline_get_scheduler), (gst_pipeline_get_bus): * gst/gstpipeline.h: * gst/gstqueue.c: (gst_queue_init), (gst_queue_locked_flush), (gst_queue_handle_sink_event), (gst_queue_chain), (gst_queue_loop), (gst_queue_src_activate), (gst_queue_change_state): * gst/gsttask.h: * gst/gstutils.c: (gst_element_get_compatible_pad_filtered), (gst_element_link_pads_filtered), (gst_element_unlink), (gst_pad_can_link_filtered): * gst/schedulers/threadscheduler.c: (gst_thread_scheduler_func): * libs/gst/Makefile.am: * tools/gst-inspect.c: (print_pad_info): * tools/gst-launch.c: (main): * tools/gst-xmlinspect.c: (print_element_info): Correctly distribute clock/scheduler to elements Caps intersection improvement. MT fixes. Work on scheduling simplifications, get rid of _pull and prepare for scheduling setup. More work on capsnego.
335 lines
9 KiB
C
335 lines
9 KiB
C
/* GStreamer2
|
|
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
|
|
*
|
|
* threadscheduler.c: scheduler using threads
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include "../gst-i18n-lib.h"
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (debug_scheduler);
|
|
#define GST_CAT_DEFAULT debug_scheduler
|
|
|
|
#define GST_TYPE_THREAD_SCHEDULER \
|
|
(gst_thread_scheduler_get_type ())
|
|
#define GST_THREAD_SCHEDULER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_THREAD_SCHEDULER,GstThreadScheduler))
|
|
#define GST_THREAD_SCHEDULER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_THREAD_SCHEDULER,GstThreadSchedulerClass))
|
|
#define GST_IS_THREAD_SCHEDULER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_THREAD_SCHEDULER))
|
|
#define GST_IS_THREAD_SCHEDULER_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_THREAD_SCHEDULER))
|
|
|
|
#define SCHED(element) (GST_THREAD_SCHEDULER ((element)->sched))
|
|
|
|
GType gst_thread_scheduler_get_type (void);
|
|
|
|
typedef struct _GstThreadScheduler GstThreadScheduler;
|
|
typedef struct _GstThreadSchedulerClass GstThreadSchedulerClass;
|
|
|
|
struct _GstThreadScheduler
|
|
{
|
|
GstScheduler scheduler;
|
|
|
|
GThreadPool *pool;
|
|
};
|
|
|
|
struct _GstThreadSchedulerClass
|
|
{
|
|
GstSchedulerClass scheduler_class;
|
|
};
|
|
|
|
#define ELEMENT_PRIVATE(element) GST_ELEMENT (element)->sched_private
|
|
#define PAD_PRIVATE(pad) (GST_REAL_PAD (pad))->sched_private
|
|
|
|
#define GST_TYPE_THREAD_SCHEDULER_TASK \
|
|
(gst_thread_scheduler_task_get_type ())
|
|
#define GST_THREAD_SCHEDULER_TASK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_THREAD_SCHEDULER_TASK,GstThreadSchedulerTask))
|
|
#define GST_THREAD_SCHEDULER_TASK_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_THREAD_SCHEDULER_TASK,GstThreadSchedulerTaskClass))
|
|
#define GST_IS_THREAD_SCHEDULER_TASK(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_THREAD_SCHEDULER_TASK))
|
|
#define GST_IS_THREAD_SCHEDULER_TASK_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_THREAD_SCHEDULER_TASK))
|
|
|
|
typedef struct _GstThreadSchedulerTask GstThreadSchedulerTask;
|
|
typedef struct _GstThreadSchedulerTaskClass GstThreadSchedulerTaskClass;
|
|
|
|
typedef enum
|
|
{
|
|
STATE_STOPPED,
|
|
STATE_STARTED
|
|
} TaskState;
|
|
|
|
|
|
struct _GstThreadSchedulerTask
|
|
{
|
|
GstTask task;
|
|
|
|
TaskState state;
|
|
GMutex *lock;
|
|
|
|
GstTaskFunction func;
|
|
gpointer data;
|
|
};
|
|
|
|
struct _GstThreadSchedulerTaskClass
|
|
{
|
|
GstTaskClass parent_class;
|
|
|
|
};
|
|
|
|
static void gst_thread_scheduler_task_class_init (gpointer g_class,
|
|
gpointer data);
|
|
static void gst_thread_scheduler_task_init (GstThreadSchedulerTask * object);
|
|
|
|
static gboolean gst_thread_scheduler_task_start (GstTask * task);
|
|
static gboolean gst_thread_scheduler_task_stop (GstTask * task);
|
|
|
|
GType
|
|
gst_thread_scheduler_task_get_type (void)
|
|
{
|
|
static GType object_type = 0;
|
|
|
|
if (object_type == 0) {
|
|
static const GTypeInfo object_info = {
|
|
sizeof (GstThreadSchedulerTaskClass),
|
|
NULL,
|
|
NULL,
|
|
gst_thread_scheduler_task_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstThreadSchedulerTask),
|
|
0,
|
|
(GInstanceInitFunc) gst_thread_scheduler_task_init
|
|
};
|
|
|
|
object_type =
|
|
g_type_register_static (GST_TYPE_TASK,
|
|
"GstThreadSchedulerTask", &object_info, 0);
|
|
}
|
|
return object_type;
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_task_class_init (gpointer klass, gpointer class_data)
|
|
{
|
|
GstTaskClass *task = GST_TASK_CLASS (klass);
|
|
|
|
task->start = gst_thread_scheduler_task_start;
|
|
task->stop = gst_thread_scheduler_task_stop;
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_task_init (GstThreadSchedulerTask * task)
|
|
{
|
|
task->state = STATE_STOPPED;
|
|
task->lock = g_mutex_new ();
|
|
}
|
|
|
|
static gboolean
|
|
gst_thread_scheduler_task_start (GstTask * task)
|
|
{
|
|
GstThreadSchedulerTask *ttask = GST_THREAD_SCHEDULER_TASK (task);
|
|
GstThreadScheduler *tsched =
|
|
GST_THREAD_SCHEDULER (gst_object_get_parent (GST_OBJECT (task)));
|
|
|
|
g_mutex_lock (ttask->lock);
|
|
if (ttask->state != STATE_STARTED) {
|
|
ttask->state = STATE_STARTED;
|
|
|
|
g_thread_pool_push (tsched->pool, task, NULL);
|
|
}
|
|
g_mutex_unlock (ttask->lock);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_thread_scheduler_task_stop (GstTask * task)
|
|
{
|
|
GstThreadSchedulerTask *ttask = GST_THREAD_SCHEDULER_TASK (task);
|
|
|
|
g_mutex_lock (ttask->lock);
|
|
if (ttask->state != STATE_STOPPED) {
|
|
ttask->state = STATE_STOPPED;
|
|
}
|
|
g_mutex_unlock (ttask->lock);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void gst_thread_scheduler_class_init (gpointer g_class, gpointer data);
|
|
static void gst_thread_scheduler_init (GstThreadScheduler * object);
|
|
|
|
GType
|
|
gst_thread_scheduler_get_type (void)
|
|
{
|
|
static GType object_type = 0;
|
|
|
|
if (object_type == 0) {
|
|
static const GTypeInfo object_info = {
|
|
sizeof (GstThreadSchedulerClass),
|
|
NULL,
|
|
NULL,
|
|
gst_thread_scheduler_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstThreadScheduler),
|
|
0,
|
|
(GInstanceInitFunc) gst_thread_scheduler_init
|
|
};
|
|
|
|
object_type =
|
|
g_type_register_static (GST_TYPE_SCHEDULER,
|
|
"GstThreadScheduler", &object_info, 0);
|
|
}
|
|
return object_type;
|
|
}
|
|
|
|
static void gst_thread_scheduler_setup (GstScheduler * sched);
|
|
static void gst_thread_scheduler_reset (GstScheduler * sched);
|
|
static void gst_thread_scheduler_add_element (GstScheduler * sched,
|
|
GstElement * element);
|
|
static void gst_thread_scheduler_remove_element (GstScheduler * sched,
|
|
GstElement * element);
|
|
static GstTask *gst_thread_scheduler_create_task (GstScheduler * sched,
|
|
GstTaskFunction func, gpointer data);
|
|
static void gst_thread_scheduler_show (GstScheduler * scheduler);
|
|
|
|
static void
|
|
gst_thread_scheduler_class_init (gpointer klass, gpointer class_data)
|
|
{
|
|
GstSchedulerClass *scheduler = GST_SCHEDULER_CLASS (klass);
|
|
|
|
scheduler->setup = gst_thread_scheduler_setup;
|
|
scheduler->reset = gst_thread_scheduler_reset;
|
|
scheduler->add_element = gst_thread_scheduler_add_element;
|
|
scheduler->remove_element = gst_thread_scheduler_remove_element;
|
|
scheduler->create_task = gst_thread_scheduler_create_task;
|
|
scheduler->clock_wait = NULL;
|
|
scheduler->show = gst_thread_scheduler_show;
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_func (GstThreadSchedulerTask * task,
|
|
GstThreadScheduler * sched)
|
|
{
|
|
gboolean res;
|
|
|
|
gst_object_ref (GST_OBJECT (task));
|
|
GST_DEBUG_OBJECT (sched, "Entering task %p, thread %p", task,
|
|
g_thread_self ());
|
|
g_mutex_lock (task->lock);
|
|
while (G_LIKELY (task->state == STATE_STARTED)) {
|
|
g_mutex_unlock (task->lock);
|
|
res = task->func (task->data);
|
|
g_mutex_lock (task->lock);
|
|
if (G_UNLIKELY (!res))
|
|
task->state = STATE_STOPPED;
|
|
}
|
|
g_mutex_unlock (task->lock);
|
|
GST_DEBUG_OBJECT (sched, "Exit task %p, thread %p", task, g_thread_self ());
|
|
gst_object_unref (GST_OBJECT (task));
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_init (GstThreadScheduler * scheduler)
|
|
{
|
|
scheduler->pool = g_thread_pool_new (
|
|
(GFunc) gst_thread_scheduler_func, scheduler, -1, FALSE, NULL);
|
|
}
|
|
|
|
static GstTask *
|
|
gst_thread_scheduler_create_task (GstScheduler * sched, GstTaskFunction func,
|
|
gpointer data)
|
|
{
|
|
GstThreadSchedulerTask *task;
|
|
|
|
task =
|
|
GST_THREAD_SCHEDULER_TASK (g_object_new (GST_TYPE_THREAD_SCHEDULER_TASK,
|
|
NULL));
|
|
gst_object_set_parent (GST_OBJECT (task), GST_OBJECT (sched));
|
|
task->func = func;
|
|
task->data = data;
|
|
|
|
GST_DEBUG_OBJECT (sched, "Created task %p", task);
|
|
|
|
return GST_TASK (task);
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_setup (GstScheduler * sched)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_reset (GstScheduler * sched)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_add_element (GstScheduler * scheduler,
|
|
GstElement * element)
|
|
{
|
|
g_print ("add element\n");
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_remove_element (GstScheduler * scheduler,
|
|
GstElement * element)
|
|
{
|
|
GstThreadSchedulerTask *task;;
|
|
|
|
task = ELEMENT_PRIVATE (element);
|
|
if (task) {
|
|
g_object_unref (G_OBJECT (task));
|
|
ELEMENT_PRIVATE (element) = NULL;;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_thread_scheduler_show (GstScheduler * scheduler)
|
|
{
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
GstSchedulerFactory *factory;
|
|
|
|
GST_DEBUG_CATEGORY_INIT (debug_scheduler, "thread", 0, "thread scheduler");
|
|
|
|
factory = gst_scheduler_factory_new ("thread",
|
|
"A scheduler using threads", GST_TYPE_THREAD_SCHEDULER);
|
|
if (factory == NULL)
|
|
return FALSE;
|
|
|
|
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "gstthreadscheduler",
|
|
"a thread scheduler", plugin_init, VERSION, GST_LICENSE, GST_PACKAGE,
|
|
GST_ORIGIN)
|