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appsink: factor out dequeue_object()

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No semantic change, will be used to implement new event API.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1046>
This commit is contained in:
Guillaume Desmottes 2021-02-19 14:45:08 +01:00
parent aba6bd7822
commit 457e33fee5
1 changed files with 44 additions and 30 deletions
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74
gst-libs/gst/app/gstappsink.c
View file

@ -854,45 +854,59 @@ flushing:
} }
static GstMiniObject * static GstMiniObject *
dequeue_buffer (GstAppSink * appsink) dequeue_object (GstAppSink * appsink)
{ {
GstAppSinkPrivate *priv = appsink->priv; GstAppSinkPrivate *priv = appsink->priv;
GstMiniObject *obj; GstMiniObject *obj;
obj = gst_queue_array_pop_head (priv->queue);
if (GST_IS_BUFFER (obj) || GST_IS_BUFFER_LIST (obj)) {
GST_DEBUG_OBJECT (appsink, "dequeued buffer/list %p", obj);
priv->num_buffers--;
} else if (GST_IS_EVENT (obj)) {
GstEvent *event = GST_EVENT_CAST (obj);
switch (GST_EVENT_TYPE (obj)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
GST_DEBUG_OBJECT (appsink, "activating caps %" GST_PTR_FORMAT, caps);
gst_caps_replace (&priv->last_caps, caps);
priv->sample = gst_sample_make_writable (priv->sample);
gst_sample_set_caps (priv->sample, priv->last_caps);
break;
}
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &priv->last_segment);
priv->sample = gst_sample_make_writable (priv->sample);
gst_sample_set_segment (priv->sample, &priv->last_segment);
GST_DEBUG_OBJECT (appsink, "activated segment %" GST_SEGMENT_FORMAT,
&priv->last_segment);
break;
default:
break;
}
}
return obj;
}
static GstMiniObject *
dequeue_buffer (GstAppSink * appsink)
{
GstMiniObject *obj;
do { do {
obj = gst_queue_array_pop_head (priv->queue); obj = dequeue_object (appsink);
if (GST_IS_BUFFER (obj) || GST_IS_BUFFER_LIST (obj)) { if (GST_IS_BUFFER (obj) || GST_IS_BUFFER_LIST (obj)) {
GST_DEBUG_OBJECT (appsink, "dequeued buffer/list %p", obj);
priv->num_buffers--;
break; break;
} else if (GST_IS_EVENT (obj)) {
GstEvent *event = GST_EVENT_CAST (obj);
switch (GST_EVENT_TYPE (obj)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
GST_DEBUG_OBJECT (appsink, "activating caps %" GST_PTR_FORMAT, caps);
gst_caps_replace (&priv->last_caps, caps);
priv->sample = gst_sample_make_writable (priv->sample);
gst_sample_set_caps (priv->sample, priv->last_caps);
break;
}
case GST_EVENT_SEGMENT:
gst_event_copy_segment (event, &priv->last_segment);
priv->sample = gst_sample_make_writable (priv->sample);
gst_sample_set_segment (priv->sample, &priv->last_segment);
GST_DEBUG_OBJECT (appsink, "activated segment %" GST_SEGMENT_FORMAT,
&priv->last_segment);
break;
default:
break;
}
gst_mini_object_unref (obj);
} }
gst_mini_object_unref (obj);
} while (TRUE); } while (TRUE);
return obj; return obj;