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basesink: add accessors for the enable-last-buffer property.

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API: gst_base_sink_set_last_buffer_enabled
API: gst_base_sink_is_last_buffer_enabled
This commit is contained in:
Alessandro Decina 2010-07-06 16:21:05 +02:00
parent f079ff3f20
commit 3a553f4eda
5 changed files with 62 additions and 14 deletions
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2
docs/libs/gstreamer-libs-sections.txt
View file

@ -279,6 +279,8 @@ gst_base_sink_set_ts_offset
gst_base_sink_get_ts_offset
gst_base_sink_set_render_delay
gst_base_sink_get_render_delay
gst_base_sink_set_last_buffer_enabled
gst_base_sink_is_last_buffer_enabled
gst_base_sink_get_last_buffer
gst_base_sink_set_blocksize
gst_base_sink_get_blocksize

64
libs/gst/base/gstbasesink.c
View file

@ -985,6 +985,55 @@ out:
GST_OBJECT_UNLOCK (sink);
}
/**
* gst_base_sink_set_last_buffer_enabled:
* @sink: the sink
* @enabled: the new enable-last-buffer value.
*
* Configures @sink to store the last received buffer in the last-buffer
* property.
*
* Since: 0.10.30
*/
void
gst_base_sink_set_last_buffer_enabled (GstBaseSink * sink, gboolean enabled)
{
g_return_if_fail (GST_IS_BASE_SINK (sink));
GST_OBJECT_LOCK (sink);
if (enabled != sink->priv->enable_last_buffer) {
sink->priv->enable_last_buffer = enabled;
if (!enabled)
gst_base_sink_set_last_buffer_unlocked (sink, NULL);
}
GST_OBJECT_UNLOCK (sink);
}
/**
* gst_base_sink_is_last_buffer_enabled:
* @sink: the sink
*
* Checks if @sink is currently configured to store the last received buffer in
* the last-buffer property.
*
* Returns: TRUE if the sink is configured to store the last received buffer.
*
* Since: 0.10.30
*/
gboolean
gst_base_sink_is_last_buffer_enabled (GstBaseSink * sink)
{
gboolean res;
g_return_val_if_fail (GST_IS_BASE_SINK (sink), FALSE);
GST_OBJECT_LOCK (sink);
res = sink->priv->enable_last_buffer;
GST_OBJECT_UNLOCK (sink);
return res;
}
/**
* gst_base_sink_get_latency:
* @sink: the sink
@ -1254,19 +1303,8 @@ gst_base_sink_set_property (GObject * object, guint prop_id,
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);
gst_base_sink_set_last_buffer_enabled (sink, g_value_get_boolean (value));
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1304,7 +1342,7 @@ gst_base_sink_get_property (GObject * object, guint prop_id, GValue * value,
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);
g_value_set_boolean (value, gst_base_sink_is_last_buffer_enabled (sink));
break;
case PROP_BLOCKSIZE:
g_value_set_uint (value, gst_base_sink_get_blocksize (sink));

2
libs/gst/base/gstbasesink.h
View file

@ -218,6 +218,8 @@ GstClockTimeDiff gst_base_sink_get_ts_offset (GstBaseSink *sink);
/* last buffer */
GstBuffer * gst_base_sink_get_last_buffer (GstBaseSink *sink);
void gst_base_sink_set_last_buffer_enabled (GstBaseSink *sink, gboolean enable);
gboolean gst_base_sink_is_last_buffer_enabled (GstBaseSink *sink);
/* latency */
gboolean gst_base_sink_query_latency (GstBaseSink *sink, gboolean *live, gboolean *upstream_live,

6
tests/check/libs/basesink.c
View file

@ -53,12 +53,16 @@ GST_START_TEST (basesink_last_buffer_enabled)
gst_message_unref (msg);
/* last-buffer should be != NULL */
fail_unless (gst_base_sink_is_last_buffer_enabled (GST_BASE_SINK (sink))
== TRUE);
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);
fail_unless (gst_base_sink_is_last_buffer_enabled (GST_BASE_SINK (sink))
== FALSE);
g_object_get (sink, "last-buffer", &last_buffer, NULL);
fail_unless (last_buffer == NULL);
@ -91,7 +95,7 @@ GST_START_TEST (basesink_last_buffer_disabled)
/* set enable-last-buffer to FALSE */
g_object_set (src, "num-buffers", 1, NULL);
g_object_set (sink, "enable-last-buffer", FALSE, NULL);
gst_base_sink_set_last_buffer_enabled (GST_BASE_SINK (sink), FALSE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
msg = gst_bus_poll (bus, GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
fail_unless (msg != NULL);

2
win32/common/libgstbase.def
View file

@ -23,10 +23,12 @@ EXPORTS
gst_base_sink_get_ts_offset
gst_base_sink_get_type
gst_base_sink_is_async_enabled
gst_base_sink_is_last_buffer_enabled
gst_base_sink_is_qos_enabled
gst_base_sink_query_latency
gst_base_sink_set_async_enabled
gst_base_sink_set_blocksize
gst_base_sink_set_last_buffer_enabled
gst_base_sink_set_max_lateness
gst_base_sink_set_qos_enabled
gst_base_sink_set_render_delay