mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* GStreamer
|
|
* Copyright (C) 2011 David A. Schleef <ds@schleef.org>
|
|
*
|
|
* 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., 51 Franklin Street, Suite 500,
|
|
* Boston, MA 02110-1335, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <string.h>
|
|
|
|
#include "gstintersurface.h"
|
|
|
|
static GList *list;
|
|
static GMutex mutex;
|
|
|
|
GstInterSurface *
|
|
gst_inter_surface_get (const char *name)
|
|
{
|
|
GList *g;
|
|
GstInterSurface *surface;
|
|
|
|
g_mutex_lock (&mutex);
|
|
for (g = list; g; g = g_list_next (g)) {
|
|
surface = g->data;
|
|
if (strcmp (name, surface->name) == 0) {
|
|
surface->ref_count++;
|
|
g_mutex_unlock (&mutex);
|
|
return surface;
|
|
}
|
|
}
|
|
|
|
surface = g_malloc0 (sizeof (GstInterSurface));
|
|
surface->ref_count = 1;
|
|
surface->name = g_strdup (name);
|
|
g_mutex_init (&surface->mutex);
|
|
surface->audio_adapter = gst_adapter_new ();
|
|
surface->audio_buffer_time = DEFAULT_AUDIO_BUFFER_TIME;
|
|
surface->audio_latency_time = DEFAULT_AUDIO_LATENCY_TIME;
|
|
surface->audio_period_time = DEFAULT_AUDIO_PERIOD_TIME;
|
|
|
|
list = g_list_append (list, surface);
|
|
g_mutex_unlock (&mutex);
|
|
|
|
return surface;
|
|
}
|
|
|
|
void
|
|
gst_inter_surface_unref (GstInterSurface * surface)
|
|
{
|
|
/* Mutex needed here, otherwise refcount might become 0
|
|
* and someone else requests the same surface again before
|
|
* we remove it from the list */
|
|
g_mutex_lock (&mutex);
|
|
if ((--surface->ref_count) == 0) {
|
|
GList *g;
|
|
|
|
for (g = list; g; g = g_list_next (g)) {
|
|
GstInterSurface *tmp = g->data;
|
|
if (strcmp (tmp->name, surface->name) == 0) {
|
|
list = g_list_delete_link (list, g);
|
|
break;
|
|
}
|
|
}
|
|
|
|
g_mutex_clear (&surface->mutex);
|
|
gst_buffer_replace (&surface->video_buffer, NULL);
|
|
gst_buffer_replace (&surface->sub_buffer, NULL);
|
|
gst_object_unref (surface->audio_adapter);
|
|
g_free (surface->name);
|
|
g_free (surface);
|
|
}
|
|
g_mutex_unlock (&mutex);
|
|
}
|