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appsink: make callbacks return GstFlowReturn

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Make the new_buffer and new_preroll callbacks return a GstFlowReturn so that
errors can be reported properly.
Fixes #577827.
This commit is contained in:
Martin Samuelsson 2009-04-09 23:46:17 +02:00 committed by Wim Taymans
parent e6798c5cce
commit ee03bf5379
2 changed files with 20 additions and 13 deletions
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15
gst-libs/gst/app/gstappsink.c
View file

@ -624,6 +624,7 @@ gst_app_sink_event (GstBaseSink * sink, GstEvent * event)
static GstFlowReturn
gst_app_sink_preroll (GstBaseSink * psink, GstBuffer * buffer)
{
GstFlowReturn res = GST_FLOW_OK;
GstAppSink *appsink = GST_APP_SINK (psink);
gboolean emit;
@ -633,16 +634,19 @@ gst_app_sink_preroll (GstBaseSink * psink, GstBuffer * buffer)
GST_DEBUG_OBJECT (appsink, "setting preroll buffer %p", buffer);
gst_buffer_replace (&appsink->priv->preroll, buffer);
g_cond_signal (appsink->priv->cond);
emit = appsink->priv->emit_signals;
g_mutex_unlock (appsink->priv->mutex);
if (appsink->priv->callbacks.new_preroll)
appsink->priv->callbacks.new_preroll (appsink, appsink->priv->user_data);
res =
appsink->priv->callbacks.new_preroll (appsink,
appsink->priv->user_data);
else if (emit)
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_NEW_PREROLL], 0);
return GST_FLOW_OK;
return res;
flushing:
{
@ -655,6 +659,7 @@ flushing:
static GstFlowReturn
gst_app_sink_render (GstBaseSink * psink, GstBuffer * buffer)
{
GstFlowReturn res = GST_FLOW_OK;
GstAppSink *appsink = GST_APP_SINK (psink);
gboolean emit;
@ -685,16 +690,18 @@ gst_app_sink_render (GstBaseSink * psink, GstBuffer * buffer)
}
/* we need to ref the buffer when pushing it in the queue */
g_queue_push_tail (appsink->priv->queue, gst_buffer_ref (buffer));
g_cond_signal (appsink->priv->cond);
emit = appsink->priv->emit_signals;
g_mutex_unlock (appsink->priv->mutex);
if (appsink->priv->callbacks.new_buffer)
appsink->priv->callbacks.new_buffer (appsink, appsink->priv->user_data);
res =
appsink->priv->callbacks.new_buffer (appsink, appsink->priv->user_data);
else if (emit)
g_signal_emit (appsink, gst_app_sink_signals[SIGNAL_NEW_BUFFER], 0);
return GST_FLOW_OK;
return res;
flushing:
{

18
gst-libs/gst/app/gstappsink.h
View file

@ -42,15 +42,15 @@ typedef struct _GstAppSinkPrivate GstAppSinkPrivate;
/**
* GstAppSinkCallbacks:
* @eos: Signal that the end-of-stream has been reached. This signal is
* emited from the steaming thread.
* @new_preroll: Signal that a new preroll buffer is available.
* This signal is emited from the steaming thread.
* @eos: Called when the end-of-stream has been reached. This callback
* is called from the steaming thread.
* @new_preroll: Called when a new preroll buffer is available.
* This callback is called from the steaming thread.
* The new preroll buffer can be retrieved with
* gst_app_sink_pull_preroll() either from this callback
* or from any other thread.
* @new_buffer: Signal that a new buffer is available.
* This signal is emited from the steaming thread.
* @new_buffer: Called when a new buffer is available.
* This callback is called from the steaming thread.
* The new buffer can be retrieved with
* gst_app_sink_pull_buffer() either from this callback
* or from any other thread.
@ -61,9 +61,9 @@ typedef struct _GstAppSinkPrivate GstAppSinkPrivate;
* Since: 0.10.23
*/
typedef struct {
void (*eos) (GstAppSink *sink, gpointer user_data);
void (*new_preroll) (GstAppSink *sink, gpointer user_data);
void (*new_buffer) (GstAppSink *sink, gpointer user_data);
void (*eos) (GstAppSink *sink, gpointer user_data);
GstFlowReturn (*new_preroll) (GstAppSink *sink, gpointer user_data);
GstFlowReturn (*new_buffer) (GstAppSink *sink, gpointer user_data);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];