2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
5 * gstpipeline.h: Header for GstPipeline element
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.
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.
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.
24 #ifndef __GST_PIPELINE_H__
25 #define __GST_PIPELINE_H__
27 #include <gst/gstbin.h>
31 #define GST_TYPE_PIPELINE (gst_pipeline_get_type ())
32 #define GST_PIPELINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PIPELINE, GstPipeline))
33 #define GST_IS_PIPELINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PIPELINE))
34 #define GST_PIPELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PIPELINE, GstPipelineClass))
35 #define GST_IS_PIPELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PIPELINE))
36 #define GST_PIPELINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PIPELINE, GstPipelineClass))
37 #define GST_PIPELINE_CAST(obj) ((GstPipeline*)(obj))
39 typedef struct _GstPipeline GstPipeline;
40 typedef struct _GstPipelineClass GstPipelineClass;
41 typedef struct _GstPipelinePrivate GstPipelinePrivate;
45 * @GST_PIPELINE_FLAG_FIXED_CLOCK: this pipeline works with a fixed clock
46 * @GST_PIPELINE_FLAG_LAST: offset to define more flags
51 GST_PIPELINE_FLAG_FIXED_CLOCK = (GST_BIN_FLAG_LAST << 0),
53 GST_PIPELINE_FLAG_LAST = (GST_BIN_FLAG_LAST << 4)
58 * @fixed_clock: The fixed clock of the pipeline, used when
59 * GST_PIPELINE_FLAG_FIXED_CLOCK is set.
60 * @stream_time: The stream time of the pipeline. A better name for this
61 * property would be the running_time, the total time spent in the
62 * PLAYING state without being flushed. (deprecated, use the start_time
64 * @delay: Extra delay added to base_time to compensate for computing delays
65 * when setting elements to PLAYING.
67 * The #GstPipeline structure.
72 /*< public >*/ /* with LOCK */
73 GstClock *fixed_clock;
75 GstClockTime stream_time;
79 GstPipelinePrivate *priv;
81 gpointer _gst_reserved[GST_PADDING];
84 struct _GstPipelineClass {
85 GstBinClass parent_class;
88 gpointer _gst_reserved[GST_PADDING];
92 GType gst_pipeline_get_type (void);
95 GstElement* gst_pipeline_new (const gchar *name) G_GNUC_MALLOC;
98 GstBus* gst_pipeline_get_bus (GstPipeline *pipeline);
101 void gst_pipeline_use_clock (GstPipeline *pipeline, GstClock *clock);
104 gboolean gst_pipeline_set_clock (GstPipeline *pipeline, GstClock *clock);
107 GstClock* gst_pipeline_get_clock (GstPipeline *pipeline);
110 GstClock* gst_pipeline_get_pipeline_clock (GstPipeline *pipeline);
113 void gst_pipeline_auto_clock (GstPipeline *pipeline);
116 void gst_pipeline_set_delay (GstPipeline *pipeline, GstClockTime delay);
119 GstClockTime gst_pipeline_get_delay (GstPipeline *pipeline);
122 void gst_pipeline_set_latency (GstPipeline *pipeline, GstClockTime latency);
125 GstClockTime gst_pipeline_get_latency (GstPipeline *pipeline);
128 void gst_pipeline_set_auto_flush_bus (GstPipeline *pipeline, gboolean auto_flush);
131 gboolean gst_pipeline_get_auto_flush_bus (GstPipeline *pipeline);
133 #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
134 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstPipeline, gst_object_unref)
139 #endif /* __GST_PIPELINE_H__ */