1 /* GStreamer 2 * Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk> 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 #ifndef __GST_IMAGE_FREEZE_H__ 21 #define __GST_IMAGE_FREEZE_H__ 22 23 #include <gst/gst.h> 24 25 G_BEGIN_DECLS 26 27 #define GST_TYPE_IMAGE_FREEZE \ 28 (gst_image_freeze_get_type()) 29 #define GST_IMAGE_FREEZE(obj) \ 30 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IMAGE_FREEZE,GstImageFreeze)) 31 #define GST_IMAGE_FREEZE_CLASS(klass) \ 32 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IMAGE_FREEZE,GstImageFreezeClass)) 33 #define GST_IMAGE_FREEZE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_IMAGE_FREEZE,GstImageFreezeClass)) 34 #define GST_IS_IMAGE_FREEZE(obj) \ 35 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IMAGE_FREEZE)) 36 #define GST_IS_IMAGE_FREEZE_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IMAGE_FREEZE)) 38 39 typedef struct _GstImageFreeze GstImageFreeze; 40 typedef struct _GstImageFreezeClass GstImageFreezeClass; 41 42 struct _GstImageFreeze 43 { 44 GstElement parent; 45 46 /* < private > */ 47 GstPad *sinkpad; 48 GstPad *srcpad; 49 50 GMutex lock; 51 GstBuffer *buffer; 52 gint fps_n, fps_d; 53 54 GstSegment segment; 55 gboolean need_segment; 56 guint seqnum; 57 58 gint num_buffers; 59 gint num_buffers_left; 60 61 guint64 offset; 62 63 /* TRUE if currently doing a flushing seek, protected 64 * by srcpad's stream lock */ 65 gint seeking; 66 }; 67 68 struct _GstImageFreezeClass 69 { 70 GstElementClass parent_class; 71 }; 72 73 GType gst_image_freeze_get_type (void); 74 75 G_END_DECLS 76 77 #endif /* __GST_IMAGE_FREEZE_H__ */ 78