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8983cce9f6
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
160 lines
4.5 KiB
C
160 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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* gstsample.h: Header for GstSample object
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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_SAMPLE_H__
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#define __GST_SAMPLE_H__
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#include <gst/gstbuffer.h>
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#include <gst/gstbufferlist.h>
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#include <gst/gstcaps.h>
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#include <gst/gstsegment.h>
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G_BEGIN_DECLS
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GST_API GType _gst_sample_type;
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#define GST_TYPE_SAMPLE (_gst_sample_type)
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#define GST_IS_SAMPLE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_SAMPLE))
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#define GST_SAMPLE_CAST(obj) ((GstSample *)obj)
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#define GST_SAMPLE(obj) (GST_SAMPLE_CAST(obj))
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/**
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* GstSample:
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*
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* The opaque structure of a #GstSample. A sample contains a typed memory
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* block and the associated timing information. It is mainly used to
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* exchange buffers with an application.
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*/
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typedef struct _GstSample GstSample;
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GST_API
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GType gst_sample_get_type (void);
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/* allocation */
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GST_API
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GstSample * gst_sample_new (GstBuffer *buffer,
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GstCaps *caps,
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const GstSegment *segment,
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GstStructure *info);
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GST_API
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GstBuffer * gst_sample_get_buffer (GstSample *sample);
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GST_API
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GstCaps * gst_sample_get_caps (GstSample *sample);
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GST_API
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GstSegment * gst_sample_get_segment (GstSample *sample);
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GST_API
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const GstStructure * gst_sample_get_info (GstSample *sample);
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GST_API
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GstBufferList * gst_sample_get_buffer_list (GstSample *sample);
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GST_API
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void gst_sample_set_buffer_list (GstSample *sample, GstBufferList *buffer_list);
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/* refcounting */
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/**
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* gst_sample_ref:
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* @sample: a #GstSample
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*
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* Increases the refcount of the given sample by one.
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*
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* Returns: (transfer full): @sample
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*/
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static inline GstSample *
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gst_sample_ref (GstSample * sample)
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{
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return GST_SAMPLE_CAST (gst_mini_object_ref (GST_MINI_OBJECT_CAST (
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sample)));
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}
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/**
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* gst_sample_unref:
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* @sample: (transfer full): a #GstSample
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*
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* Decreases the refcount of the sample. If the refcount reaches 0, the
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* sample will be freed.
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*/
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static inline void
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gst_sample_unref (GstSample * sample)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (sample));
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}
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/* copy sample */
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/**
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* gst_sample_copy:
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* @buf: a #GstSample.
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*
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* Create a copy of the given sample. This will also make a newly allocated
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* copy of the data the source sample contains.
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*
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* Returns: (transfer full): a new copy of @buf.
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*
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* Since: 1.2
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*/
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static inline GstSample *
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gst_sample_copy (const GstSample * buf)
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{
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return GST_SAMPLE_CAST (gst_mini_object_copy (GST_MINI_OBJECT_CONST_CAST (buf)));
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}
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/**
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* gst_value_set_sample:
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* @v: a #GValue to receive the data
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* @b: (transfer none): a #GstSample to assign to the GstValue
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*
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* Sets @b as the value of @v. Caller retains reference to sample.
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*/
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#define gst_value_set_sample(v,b) g_value_set_boxed((v),(b))
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/**
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* gst_value_take_sample:
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* @v: a #GValue to receive the data
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* @b: (transfer full): a #GstSample to assign to the GstValue
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*
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* Sets @b as the value of @v. Caller gives away reference to sample.
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*/
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#define gst_value_take_sample(v,b) g_value_take_boxed(v,(b))
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/**
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* gst_value_get_sample:
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* @v: a #GValue to query
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*
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* Receives a #GstSample as the value of @v. Does not return a reference to
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* the sample, so the pointer is only valid for as long as the caller owns
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* a reference to @v.
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*
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* Returns: (transfer none): sample
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*/
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#define gst_value_get_sample(v) GST_SAMPLE_CAST (g_value_get_boxed(v))
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#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstSample, gst_sample_unref)
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#endif
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G_END_DECLS
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#endif /* __GST_SAMPLE_H__ */
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