mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 08:46:40 +00:00
basesink: add new enable-last-buffer property.
Add a new enable-last-buffer property. When false, it disables storing the last received buffer in basesink::last-buffer. This can be useful in cases where buffers need to be released asap. API: GstBaseSink::enable-last-buffer
This commit is contained in:
Alessandro Decina
parent
a877aefebd
commit
f079ff3f20
3 changed files with 186 additions and 5 deletions
|
|
@ -236,6 +236,7 @@ struct _GstBaseSinkPrivate
|
|||
gboolean have_latency;
|
||||
|
||||
/* the last buffer we prerolled or rendered. Useful for making snapshots */
|
||||
gboolean enable_last_buffer;
|
||||
GstBuffer *last_buffer;
|
||||
|
||||
/* caps for pull based scheduling */
|
||||
|
|
@ -281,6 +282,7 @@ struct _GstBaseSinkPrivate
|
|||
#define DEFAULT_TS_OFFSET 0
|
||||
#define DEFAULT_BLOCKSIZE 4096
|
||||
#define DEFAULT_RENDER_DELAY 0
|
||||
#define DEFAULT_ENABLE_LAST_BUFFER TRUE
|
||||
|
||||
enum
|
||||
{
|
||||
|
|
@ -291,6 +293,7 @@ enum
|
|||
PROP_QOS,
|
||||
PROP_ASYNC,
|
||||
PROP_TS_OFFSET,
|
||||
PROP_ENABLE_LAST_BUFFER,
|
||||
PROP_LAST_BUFFER,
|
||||
PROP_BLOCKSIZE,
|
||||
PROP_RENDER_DELAY,
|
||||
|
|
@ -450,6 +453,22 @@ gst_base_sink_class_init (GstBaseSinkClass * klass)
|
|||
g_param_spec_int64 ("ts-offset", "TS Offset",
|
||||
"Timestamp offset in nanoseconds", G_MININT64, G_MAXINT64,
|
||||
DEFAULT_TS_OFFSET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstBaseSink:enable-last-buffer
|
||||
*
|
||||
* Enable the last-buffer property. If FALSE, basesink doesn't keep a
|
||||
* reference to the last buffer arrived and the last-buffer property is always
|
||||
* set to NULL. This can be useful if you need buffers to be released as soon
|
||||
* as possible, eg. if you're using a buffer pool.
|
||||
*
|
||||
* Since: 0.10.30
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_ENABLE_LAST_BUFFER,
|
||||
g_param_spec_boolean ("enable-last-buffer", "Enable Last Buffer",
|
||||
"Enable the last-buffer property", DEFAULT_ENABLE_LAST_BUFFER,
|
||||
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstBaseSink:last-buffer
|
||||
*
|
||||
|
|
@ -648,6 +667,7 @@ gst_base_sink_init (GstBaseSink * basesink, gpointer g_class)
|
|||
priv->ts_offset = DEFAULT_TS_OFFSET;
|
||||
priv->render_delay = DEFAULT_RENDER_DELAY;
|
||||
priv->blocksize = DEFAULT_BLOCKSIZE;
|
||||
priv->enable_last_buffer = DEFAULT_ENABLE_LAST_BUFFER;
|
||||
|
||||
GST_OBJECT_FLAG_SET (basesink, GST_ELEMENT_IS_SINK);
|
||||
}
|
||||
|
|
@ -928,12 +948,12 @@ gst_base_sink_get_last_buffer (GstBaseSink * sink)
|
|||
return res;
|
||||
}
|
||||
|
||||
/* with OBJECT_LOCK */
|
||||
static void
|
||||
gst_base_sink_set_last_buffer (GstBaseSink * sink, GstBuffer * buffer)
|
||||
gst_base_sink_set_last_buffer_unlocked (GstBaseSink * sink, GstBuffer * buffer)
|
||||
{
|
||||
GstBuffer *old;
|
||||
|
||||
GST_OBJECT_LOCK (sink);
|
||||
old = sink->priv->last_buffer;
|
||||
if (G_LIKELY (old != buffer)) {
|
||||
GST_DEBUG_OBJECT (sink, "setting last buffer to %p", buffer);
|
||||
|
|
@ -943,12 +963,26 @@ gst_base_sink_set_last_buffer (GstBaseSink * sink, GstBuffer * buffer)
|
|||
} else {
|
||||
old = NULL;
|
||||
}
|
||||
GST_OBJECT_UNLOCK (sink);
|
||||
|
||||
/* avoid unreffing with the lock because cleanup code might want to take the
|
||||
* lock too */
|
||||
if (G_LIKELY (old))
|
||||
if (G_LIKELY (old)) {
|
||||
GST_OBJECT_UNLOCK (sink);
|
||||
gst_buffer_unref (old);
|
||||
GST_OBJECT_LOCK (sink);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_base_sink_set_last_buffer (GstBaseSink * sink, GstBuffer * buffer)
|
||||
{
|
||||
GST_OBJECT_LOCK (sink);
|
||||
if (sink->priv->enable_last_buffer == FALSE)
|
||||
goto out;
|
||||
|
||||
gst_base_sink_set_last_buffer_unlocked (sink, buffer);
|
||||
|
||||
out:
|
||||
GST_OBJECT_UNLOCK (sink);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -1219,6 +1253,20 @@ gst_base_sink_set_property (GObject * object, guint prop_id,
|
|||
case PROP_RENDER_DELAY:
|
||||
gst_base_sink_set_render_delay (sink, g_value_get_uint64 (value));
|
||||
break;
|
||||
case PROP_ENABLE_LAST_BUFFER:
|
||||
{
|
||||
gboolean enable;
|
||||
enable = g_value_get_boolean (value);
|
||||
|
||||
GST_OBJECT_LOCK (sink);
|
||||
if (enable != sink->priv->enable_last_buffer) {
|
||||
sink->priv->enable_last_buffer = enable;
|
||||
if (!enable)
|
||||
gst_base_sink_set_last_buffer_unlocked (sink, NULL);
|
||||
}
|
||||
GST_OBJECT_UNLOCK (sink);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -1255,6 +1303,9 @@ gst_base_sink_get_property (GObject * object, guint prop_id, GValue * value,
|
|||
case PROP_LAST_BUFFER:
|
||||
gst_value_take_buffer (value, gst_base_sink_get_last_buffer (sink));
|
||||
break;
|
||||
case PROP_ENABLE_LAST_BUFFER:
|
||||
g_value_set_boolean (value, sink->priv->enable_last_buffer);
|
||||
break;
|
||||
case PROP_BLOCKSIZE:
|
||||
g_value_set_uint (value, gst_base_sink_get_blocksize (sink));
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -64,6 +64,7 @@ REGISTRY_CHECKS = \
|
|||
elements/multiqueue \
|
||||
elements/tee \
|
||||
libs/basesrc \
|
||||
libs/basesink \
|
||||
libs/controller \
|
||||
libs/typefindhelper \
|
||||
pipelines/stress \
|
||||
|
|
|
|||
129
tests/check/libs/basesink.c
Normal file
129
tests/check/libs/basesink.c
Normal file
|
|
@ -0,0 +1,129 @@
|
|||
/* GStreamer
|
||||
*
|
||||
* Copyright (C) 2010 Alessandro Decina <alessandro.decina@collabora.co.uk>
|
||||
*
|
||||
* 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/check/gstcheck.h>
|
||||
#include <gst/base/gstbasesink.h>
|
||||
|
||||
GST_START_TEST (basesink_last_buffer_enabled)
|
||||
{
|
||||
GstElement *src, *sink, *pipeline;
|
||||
GstBus *bus;
|
||||
GstMessage *msg;
|
||||
GstBuffer *last_buffer;
|
||||
|
||||
pipeline = gst_pipeline_new ("pipeline");
|
||||
sink = gst_element_factory_make ("fakesink", "sink");
|
||||
src = gst_element_factory_make ("fakesrc", "src");
|
||||
|
||||
fail_unless (gst_bin_add (GST_BIN (pipeline), src) == TRUE);
|
||||
fail_unless (gst_bin_add (GST_BIN (pipeline), sink) == TRUE);
|
||||
fail_unless (gst_element_link (src, sink) == TRUE);
|
||||
|
||||
bus = gst_element_get_bus (pipeline);
|
||||
|
||||
/* try with enable-last-buffer set to TRUE */
|
||||
g_object_set (src, "num-buffers", 1, NULL);
|
||||
fail_unless (gst_element_set_state (pipeline, GST_STATE_PLAYING)
|
||||
!= GST_STATE_CHANGE_FAILURE);
|
||||
msg = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
|
||||
fail_unless (msg != NULL);
|
||||
fail_unless (GST_MESSAGE_TYPE (msg) != GST_MESSAGE_ERROR);
|
||||
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
|
||||
gst_message_unref (msg);
|
||||
|
||||
/* last-buffer should be != NULL */
|
||||
g_object_get (sink, "last-buffer", &last_buffer, NULL);
|
||||
fail_unless (last_buffer != NULL);
|
||||
gst_buffer_unref (last_buffer);
|
||||
|
||||
/* set enable-last-buffer to FALSE now, this should set last-buffer to NULL */
|
||||
g_object_set (sink, "enable-last-buffer", FALSE, NULL);
|
||||
g_object_get (sink, "last-buffer", &last_buffer, NULL);
|
||||
fail_unless (last_buffer == NULL);
|
||||
|
||||
gst_element_set_state (pipeline, GST_STATE_NULL);
|
||||
|
||||
GST_INFO ("stopped");
|
||||
|
||||
gst_object_unref (bus);
|
||||
gst_object_unref (pipeline);
|
||||
}
|
||||
|
||||
GST_END_TEST;
|
||||
|
||||
GST_START_TEST (basesink_last_buffer_disabled)
|
||||
{
|
||||
GstElement *src, *sink, *pipeline;
|
||||
GstBus *bus;
|
||||
GstMessage *msg;
|
||||
GstBuffer *last_buffer;
|
||||
|
||||
pipeline = gst_pipeline_new ("pipeline");
|
||||
sink = gst_element_factory_make ("fakesink", "sink");
|
||||
src = gst_element_factory_make ("fakesrc", "src");
|
||||
|
||||
fail_unless (gst_bin_add (GST_BIN (pipeline), src) == TRUE);
|
||||
fail_unless (gst_bin_add (GST_BIN (pipeline), sink) == TRUE);
|
||||
fail_unless (gst_element_link (src, sink) == TRUE);
|
||||
|
||||
bus = gst_element_get_bus (pipeline);
|
||||
|
||||
/* set enable-last-buffer to FALSE */
|
||||
g_object_set (src, "num-buffers", 1, NULL);
|
||||
g_object_set (sink, "enable-last-buffer", FALSE, NULL);
|
||||
gst_element_set_state (pipeline, GST_STATE_PLAYING);
|
||||
msg = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
|
||||
fail_unless (msg != NULL);
|
||||
fail_unless (GST_MESSAGE_TYPE (msg) != GST_MESSAGE_ERROR);
|
||||
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
|
||||
gst_message_unref (msg);
|
||||
|
||||
/* last-buffer should be NULL */
|
||||
g_object_get (sink, "last-buffer", &last_buffer, NULL);
|
||||
fail_unless (last_buffer == NULL);
|
||||
|
||||
gst_element_set_state (pipeline, GST_STATE_NULL);
|
||||
|
||||
GST_INFO ("stopped");
|
||||
|
||||
gst_object_unref (bus);
|
||||
gst_object_unref (pipeline);
|
||||
}
|
||||
|
||||
GST_END_TEST;
|
||||
|
||||
static Suite *
|
||||
gst_basesrc_suite (void)
|
||||
{
|
||||
Suite *s = suite_create ("GstBaseSink");
|
||||
TCase *tc = tcase_create ("general");
|
||||
|
||||
suite_add_tcase (s, tc);
|
||||
tcase_add_test (tc, basesink_last_buffer_enabled);
|
||||
tcase_add_test (tc, basesink_last_buffer_disabled);
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
GST_CHECK_MAIN (gst_basesrc);
|
||||
Loading…
Reference in a new issue