X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fhighgui%2Fgstappsink.h;fp=src%2Fhighgui%2Fgstappsink.h;h=54372852387008616fc736995c62b92d801a2e99;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hp=0000000000000000000000000000000000000000;hpb=454138ff8a20f6edb9b65a910101403d8b520643;p=opencv diff --git a/src/highgui/gstappsink.h b/src/highgui/gstappsink.h new file mode 100644 index 0000000..5437285 --- /dev/null +++ b/src/highgui/gstappsink.h @@ -0,0 +1,89 @@ +/* GStreamer + * Copyright (C) 2007 David Schleef + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef _GST_APP_SINK_H_ +#define _GST_APP_SINK_H_ + +#include +#include + +G_BEGIN_DECLS + +#define GST_TYPE_APP_SINK \ + (gst_app_sink_get_type()) +#define GST_APP_SINK(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SINK,GstAppSink)) +#define GST_APP_SINK_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SINK,GstAppSinkClass)) +#define GST_IS_APP_SINK(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SINK)) +#define GST_IS_APP_SINK_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SINK)) + +typedef struct _GstAppSink GstAppSink; +typedef struct _GstAppSinkClass GstAppSinkClass; + +struct _GstAppSink +{ + GstBaseSink basesink; + + /*< private >*/ + GstCaps *caps; + + GCond *cond; + GMutex *mutex; + GQueue *queue; + GstBuffer *preroll; + gboolean started; + gboolean is_eos; +}; + +struct _GstAppSinkClass +{ + GstBaseSinkClass basesink_class; + + /* signals */ + gboolean (*eos) (GstAppSink *sink); + gboolean (*new_preroll) (GstAppSink *sink); + gboolean (*new_buffer) (GstAppSink *sink); + + /* actions */ + GstBuffer * (*pull_preroll) (GstAppSink *sink); + GstBuffer * (*pull_buffer) (GstAppSink *sink); +}; + +GType gst_app_sink_get_type(void); + +GST_DEBUG_CATEGORY_EXTERN (app_sink_debug); + +void gst_app_sink_set_caps (GstAppSink *appsink, const GstCaps *caps); +GstCaps * gst_app_sink_get_caps (GstAppSink *appsink); + +gboolean gst_app_sink_is_eos (GstAppSink *appsink); + +GstBuffer * gst_app_sink_pull_preroll (GstAppSink *appsink); +GstBuffer * gst_app_sink_pull_buffer (GstAppSink *appsink); +GstBuffer * gst_app_sink_peek_buffer (GstAppSink *appsink); + +guint gst_app_sink_get_queue_length (GstAppSink *appsink); + +G_END_DECLS + +#endif +