1 /* GStreamer 2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> 3 * 2000 Wim Taymans <wtay@chello.be> 4 * 5 * gstidentity.h: 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 24 #ifndef __GST_IDENTITY_H__ 25 #define __GST_IDENTITY_H__ 26 27 28 #include <gst/gst.h> 29 #include <gst/base/gstbasetransform.h> 30 31 G_BEGIN_DECLS 32 33 34 #define GST_TYPE_IDENTITY \ 35 (gst_identity_get_type()) 36 #define GST_IDENTITY(obj) \ 37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IDENTITY,GstIdentity)) 38 #define GST_IDENTITY_CLASS(klass) \ 39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IDENTITY,GstIdentityClass)) 40 #define GST_IS_IDENTITY(obj) \ 41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IDENTITY)) 42 #define GST_IS_IDENTITY_CLASS(klass) \ 43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IDENTITY)) 44 45 typedef struct _GstIdentity GstIdentity; 46 typedef struct _GstIdentityClass GstIdentityClass; 47 48 /** 49 * GstIdentity: 50 * 51 * Opaque #GstIdentity data structure 52 */ 53 struct _GstIdentity { 54 GstBaseTransform element; 55 56 /*< private >*/ 57 GstClockID clock_id; 58 gboolean flushing; 59 gint error_after; 60 gint error_after_counter; 61 gfloat drop_probability; 62 gint datarate; 63 guint sleep_time; 64 gboolean silent; 65 gboolean dump; 66 gboolean sync; 67 gboolean check_imperfect_timestamp; 68 gboolean check_imperfect_offset; 69 gboolean single_segment; 70 GstSegment seek_segment; 71 GstBufferFlags drop_buffer_flags; 72 GstClockTime prev_timestamp; 73 GstClockTime prev_duration; 74 guint64 prev_offset; 75 guint64 prev_offset_end; 76 gchar *last_message; 77 guint64 offset; 78 gboolean signal_handoffs; 79 GstClockTime upstream_latency; 80 GCond blocked_cond; 81 gboolean blocked; 82 GstClockTimeDiff ts_offset; 83 gboolean drop_allocation; 84 gint eos_after; 85 gint eos_after_counter; 86 guint64 num_bytes; 87 guint64 num_buffers; 88 }; 89 90 struct _GstIdentityClass { 91 GstBaseTransformClass parent_class; 92 93 /* signals */ 94 void (*handoff) (GstElement *element, GstBuffer *buf); 95 }; 96 97 G_GNUC_INTERNAL GType gst_identity_get_type (void); 98 99 G_END_DECLS 100 101 #endif /* __GST_IDENTITY_H__ */ 102