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glbasefilter: only call gl_{stop,start} if the context changed

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Removes the redundant GL object creation/deletion on every
decide_allocation call which is being called for every caps change.

Thus reduces the required GL state changes on reconfigure events
which are being sent by glimagesink/xvimagesink
This commit is contained in:
Matthew Waters 2015-08-17 18:35:58 +02:00
parent 0cc2156572
commit 40d2693d07
1 changed files with 13 additions and 6 deletions
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7
gst-libs/gst/gl/gstglbasefilter.c
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@ -327,6 +327,10 @@ gst_gl_base_filter_decide_allocation (GstBaseTransform * trans,
{ {
GstGLBaseFilter *filter = GST_GL_BASE_FILTER (trans); GstGLBaseFilter *filter = GST_GL_BASE_FILTER (trans);
GError *error = NULL; GError *error = NULL;
gboolean new_context = FALSE;
if (!filter->context)
new_context = TRUE;
_find_local_gl_context (filter); _find_local_gl_context (filter);
@ -349,14 +353,17 @@ gst_gl_base_filter_decide_allocation (GstBaseTransform * trans,
GST_OBJECT_UNLOCK (filter->display); GST_OBJECT_UNLOCK (filter->display);
} }
if (new_context) {
if (filter->priv->gl_started) if (filter->priv->gl_started)
gst_gl_context_thread_add (filter->context, gst_gl_base_filter_gl_stop, gst_gl_context_thread_add (filter->context, gst_gl_base_filter_gl_stop,
filter); filter);
gst_gl_context_thread_add (filter->context, gst_gl_base_filter_gl_start, gst_gl_context_thread_add (filter->context, gst_gl_base_filter_gl_start,
filter); filter);
if (!filter->priv->gl_result) if (!filter->priv->gl_result)
goto error; goto error;
}
return TRUE; return TRUE;