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144 lines
4.5 KiB
C
144 lines
4.5 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstpipeline.h: Header for GstPipeline element
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_PIPELINE_H__
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#define __GST_PIPELINE_H__
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#include <gst/gstbin.h>
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G_BEGIN_DECLS
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#define GST_TYPE_PIPELINE (gst_pipeline_get_type ())
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#define GST_PIPELINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PIPELINE, GstPipeline))
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#define GST_IS_PIPELINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PIPELINE))
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#define GST_PIPELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PIPELINE, GstPipelineClass))
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#define GST_IS_PIPELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PIPELINE))
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#define GST_PIPELINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PIPELINE, GstPipelineClass))
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#define GST_PIPELINE_CAST(obj) ((GstPipeline*)(obj))
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typedef struct _GstPipeline GstPipeline;
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typedef struct _GstPipelineClass GstPipelineClass;
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typedef struct _GstPipelinePrivate GstPipelinePrivate;
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/**
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* GstPipelineFlags:
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* @GST_PIPELINE_FLAG_FIXED_CLOCK: this pipeline works with a fixed clock
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* @GST_PIPELINE_FLAG_LAST: offset to define more flags
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*
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* Pipeline flags
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*/
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typedef enum {
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GST_PIPELINE_FLAG_FIXED_CLOCK = (GST_BIN_FLAG_LAST << 0),
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/* padding */
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GST_PIPELINE_FLAG_LAST = (GST_BIN_FLAG_LAST << 4)
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} GstPipelineFlags;
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/**
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* GstPipeline:
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* @fixed_clock: The fixed clock of the pipeline, used when
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* GST_PIPELINE_FLAG_FIXED_CLOCK is set.
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* @stream_time: The stream time of the pipeline. A better name for this
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* property would be the running_time, the total time spent in the
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* PLAYING state without being flushed. (deprecated, use the start_time
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* on GstElement).
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* @delay: Extra delay added to base_time to compensate for computing delays
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* when setting elements to PLAYING.
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*
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* The #GstPipeline structure.
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*/
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struct _GstPipeline {
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GstBin bin;
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/*< public >*/ /* with LOCK */
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GstClock *fixed_clock;
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GstClockTime stream_time;
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GstClockTime delay;
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/*< private >*/
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GstPipelinePrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstPipelineClass {
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GstBinClass parent_class;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_API
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GType gst_pipeline_get_type (void);
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GST_API
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GstElement* gst_pipeline_new (const gchar *name) G_GNUC_MALLOC;
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GST_API
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GstBus* gst_pipeline_get_bus (GstPipeline *pipeline);
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GST_API
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void gst_pipeline_use_clock (GstPipeline *pipeline, GstClock *clock);
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GST_API
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gboolean gst_pipeline_set_clock (GstPipeline *pipeline, GstClock *clock);
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GST_API
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GstClock* gst_pipeline_get_clock (GstPipeline *pipeline);
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GST_API
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GstClock* gst_pipeline_get_pipeline_clock (GstPipeline *pipeline);
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GST_API
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void gst_pipeline_auto_clock (GstPipeline *pipeline);
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GST_API
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void gst_pipeline_set_delay (GstPipeline *pipeline, GstClockTime delay);
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GST_API
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GstClockTime gst_pipeline_get_delay (GstPipeline *pipeline);
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GST_API
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void gst_pipeline_set_latency (GstPipeline *pipeline, GstClockTime latency);
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GST_API
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GstClockTime gst_pipeline_get_latency (GstPipeline *pipeline);
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GST_API
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void gst_pipeline_set_auto_flush_bus (GstPipeline *pipeline, gboolean auto_flush);
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GST_API
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gboolean gst_pipeline_get_auto_flush_bus (GstPipeline *pipeline);
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GST_API
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gboolean gst_pipeline_is_live (GstPipeline *pipeline);
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GST_API
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GstClockTime gst_pipeline_get_configured_latency (GstPipeline * pipeline);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstPipeline, gst_object_unref)
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G_END_DECLS
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#endif /* __GST_PIPELINE_H__ */
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