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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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906654de87
Deprecating the old variants which were not introspectable and cleaning a bit the API. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-editing-services/-/merge_requests/231>
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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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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#pragma once
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#include <glib-object.h>
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#include <gst/gst.h>
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#include <ges/ges-types.h>
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#include <ges/ges-track-element.h>
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#include <ges/ges-source.h>
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G_BEGIN_DECLS
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#define GES_TYPE_VIDEO_SOURCE ges_video_source_get_type()
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GES_DECLARE_TYPE(VideoSource, video_source, VIDEO_SOURCE);
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/**
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* GESVideoSource:
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*
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* Base class for video sources
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*/
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struct _GESVideoSource {
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/*< private >*/
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GESSource parent;
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GESVideoSourcePrivate *priv;
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/* Padding for API extension */
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gpointer _ges_reserved[GES_PADDING];
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};
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/**
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* GESVideoSourceClass:
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* @create_source: method to return the GstElement to put in the source topbin.
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* Other elements will be queued, like a videoscale.
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* In the case of a VideoUriSource, for example, the subclass will return a decodebin,
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* and we will append a videoscale.
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*/
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struct _GESVideoSourceClass {
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/*< private >*/
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GESSourceClass parent_class;
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/*< public >*/
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/**
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* GESVideoSource::create_element:
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* @object: The #GESTrackElement
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*
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* Returns: (transfer floating): the #GstElement that the underlying nleobject
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* controls.
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*
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* Deprecated: 1.20: Use #GESSourceClass::create_element instead.
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*/
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GstElement* (*create_source) (GESTrackElement * object);
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/*< private >*/
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/* Padding for API extension */
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union {
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gpointer _ges_reserved[GES_PADDING];
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struct {
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gboolean disable_scale_in_compositor;
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gboolean (*needs_converters)(GESVideoSource *self);
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gboolean (*get_natural_size)(GESVideoSource* self, gint* width, gint* height);
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gboolean (*create_filters)(GESVideoSource *self, GPtrArray *filters, gboolean needs_converters);
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} abi;
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} ABI;
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};
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GES_API
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gboolean ges_video_source_get_natural_size(GESVideoSource* self, gint* width, gint* height);
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G_END_DECLS
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