1 /* GStreamer 2 * Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.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 #ifndef __GST_OUTPUT_SELECTOR_H__ 21 #define __GST_OUTPUT_SELECTOR_H__ 22 23 #include <gst/gst.h> 24 25 G_BEGIN_DECLS 26 27 #define GST_TYPE_OUTPUT_SELECTOR \ 28 (gst_output_selector_get_type()) 29 #define GST_OUTPUT_SELECTOR(obj) \ 30 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_OUTPUT_SELECTOR, GstOutputSelector)) 31 #define GST_OUTPUT_SELECTOR_CLASS(klass) \ 32 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_OUTPUT_SELECTOR, GstOutputSelectorClass)) 33 #define GST_IS_OUTPUT_SELECTOR(obj) \ 34 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_OUTPUT_SELECTOR)) 35 #define GST_IS_OUTPUT_SELECTOR_CLASS(klass) \ 36 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_OUTPUT_SELECTOR)) 37 38 typedef struct _GstOutputSelector GstOutputSelector; 39 typedef struct _GstOutputSelectorClass GstOutputSelectorClass; 40 41 struct _GstOutputSelector { 42 GstElement element; 43 44 GstPad *sinkpad; 45 46 GstPad *active_srcpad; 47 GstPad *pending_srcpad; 48 guint nb_srcpads; 49 50 gint pad_negotiation_mode; 51 52 GstSegment segment; 53 guint32 segment_seqnum; 54 55 /* resend latest buffer after switch */ 56 gboolean resend_latest; 57 GstBuffer *latest_buffer; 58 59 }; 60 61 struct _GstOutputSelectorClass { 62 GstElementClass parent_class; 63 }; 64 65 /** 66 * GstOutputSelectorPadNegotiationMode: 67 * @GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE: don't propagate the input 68 * stream. 69 * @GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL: direct input stream to all 70 * output pads. 71 * @GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ACTIVE: direct input stream to the 72 * currently active output pad as described by the #GstOutputSelector:active-pad 73 * property. 74 * 75 * To what output pad the input stream should be directed. 76 */ 77 typedef enum 78 { 79 GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE, 80 GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL, 81 GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ACTIVE 82 } GstOutputSelectorPadNegotiationMode; 83 84 G_GNUC_INTERNAL GType gst_output_selector_get_type (void); 85 86 G_END_DECLS 87 88 #endif /* __GST_OUTPUT_SELECTOR_H__ */ 89