1 /* GStreamer 2 * Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public 15 * License along with this library; if not, write to the 16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #include <gst/gst.h> 21 #include <gst/video/video.h> 22 23 #ifndef __GST_OVERLAY_COMPOSITION_H__ 24 #define __GST_OVERLAY_COMPOSITION_H__ 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_OVERLAY_COMPOSITION \ 29 (gst_overlay_composition_get_type()) 30 #define GST_OVERLAY_COMPOSITION(obj) \ 31 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OVERLAY_COMPOSITION,GstOverlayComposition)) 32 #define GST_OVERLAY_COMPOSITION_CLASS(klass) \ 33 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OVERLAY_COMPOSITION,GstOverlayCompositionClass)) 34 #define GST_IS_OVERLAY_COMPOSITION(obj) \ 35 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OVERLAY_COMPOSITION)) 36 #define GST_IS_OVERLAY_COMPOSITION_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OVERLAY_COMPOSITION)) 38 39 typedef struct _GstOverlayComposition GstOverlayComposition; 40 typedef struct _GstOverlayCompositionClass GstOverlayCompositionClass; 41 42 struct _GstOverlayComposition { 43 GstElement parent; 44 45 GstPad *sinkpad, *srcpad; 46 47 /* state */ 48 GstSample *sample; 49 GstSegment segment; 50 GstCaps *caps; 51 GstVideoInfo info; 52 guint window_width, window_height; 53 gboolean attach_compo_to_buffer; 54 }; 55 56 struct _GstOverlayCompositionClass { 57 GstElementClass parent_class; 58 }; 59 60 GType gst_overlay_composition_get_type (void); 61 62 G_END_DECLS 63 64 #endif /* __GST_OVERLAY_COMPOSITION_H__ */ 65