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appsink: add GstFlowReturn from signal handler

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Expect a GstFlowReturn from the signal handler, just like from the callback.
Also use the return value.
This commit is contained in:
Wim Taymans 2012-09-14 13:31:36 +02:00
parent acb3aeebd4
commit e46b45b0b8
2 changed files with 25 additions and 17 deletions
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32
gst-libs/gst/app/gstappsink.c
View file

@ -241,7 +241,8 @@ gst_app_sink_class_init (GstAppSinkClass * klass)
gst_app_sink_signals[SIGNAL_NEW_PREROLL] =
g_signal_new ("new-preroll", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstAppSinkClass, new_preroll),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, G_TYPE_NONE);
NULL, NULL, __gst_app_marshal_ENUM__VOID, GST_TYPE_FLOW_RETURN, 0,
G_TYPE_NONE);
/**
* GstAppSink::new-sample:
* @appsink: the appsink element that emited the signal
@ -261,7 +262,8 @@ gst_app_sink_class_init (GstAppSinkClass * klass)
gst_app_sink_signals[SIGNAL_NEW_SAMPLE] =
g_signal_new ("new-sample", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstAppSinkClass, new_sample),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, G_TYPE_NONE);
NULL, NULL, __gst_app_marshal_ENUM__VOID, GST_TYPE_FLOW_RETURN, 0,
G_TYPE_NONE);
/**
* GstAppSink::pull-preroll:
@ -605,7 +607,7 @@ gst_app_sink_event (GstBaseSink * sink, GstEvent * event)
static GstFlowReturn
gst_app_sink_preroll (GstBaseSink * psink, GstBuffer * buffer)
{
GstFlowReturn res = GST_FLOW_OK;
GstFlowReturn res;
GstAppSink *appsink = GST_APP_SINK_CAST (psink);
GstAppSinkPrivate *priv = appsink->priv;
gboolean emit;
@ -621,10 +623,14 @@ gst_app_sink_preroll (GstBaseSink * psink, GstBuffer * buffer)
emit = priv->emit_signals;
g_mutex_unlock (&priv->mutex);
if (priv->callbacks.new_preroll)
if (priv->callbacks.new_preroll) {
res = priv->callbacks.new_preroll (appsink, priv->user_data);
else if (emit)
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_NEW_PREROLL], 0);
} else {
res = GST_FLOW_OK;
if (emit)
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_NEW_PREROLL], 0,
&res);
}
return res;
@ -741,12 +747,14 @@ restart:
emit = priv->emit_signals;
g_mutex_unlock (&priv->mutex);
if (priv->callbacks.new_sample)
priv->callbacks.new_sample (appsink, priv->user_data);
else if (emit)
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_NEW_SAMPLE], 0);
return GST_FLOW_OK;
if (priv->callbacks.new_sample) {
ret = priv->callbacks.new_sample (appsink, priv->user_data);
} else {
ret = GST_FLOW_OK;
if (emit)
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_NEW_SAMPLE], 0, &ret);
}
return ret;
flushing:
{

4
gst-libs/gst/app/gstappsink.h
View file

@ -86,8 +86,8 @@ struct _GstAppSinkClass
/* signals */
void (*eos) (GstAppSink *appsink);
void (*new_preroll) (GstAppSink *appsink);
void (*new_sample) (GstAppSink *appsink);
GstFlowReturn (*new_preroll) (GstAppSink *appsink);
GstFlowReturn (*new_sample) (GstAppSink *appsink);
/* actions */
GstSample * (*pull_preroll) (GstAppSink *appsink);