gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstvp9picture.h

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/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_VP9_PICTURE_H__
#define __GST_VP9_PICTURE_H__
#include <gst/codecs/codecs-prelude.h>
#include <gst/codecs/gstvp9statefulparser.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_VP9_PICTURE (gst_vp9_picture_get_type())
#define GST_IS_VP9_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_VP9_PICTURE))
#define GST_VP9_PICTURE(obj) ((GstVp9Picture *)obj)
#define GST_VP9_PICTURE_CAST(obj) (GST_VP9_PICTURE(obj))
typedef struct _GstVp9Picture GstVp9Picture;
struct _GstVp9Picture
{
/*< private >*/
GstMiniObject parent;
/* From GstVideoCodecFrame */
guint32 system_frame_number;
GstVp9FrameHeader frame_hdr;
/* raw data and size (does not have ownership) */
const guint8 * data;
gsize size;
/* decoder input state if this picture is discont point */
GstVideoCodecState *discont_state;
gpointer user_data;
GDestroyNotify notify;
};
GST_CODECS_API
GType gst_vp9_picture_get_type (void);
GST_CODECS_API
GstVp9Picture * gst_vp9_picture_new (void);
static inline GstVp9Picture *
gst_vp9_picture_ref (GstVp9Picture * picture)
{
return (GstVp9Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
}
static inline void
gst_vp9_picture_unref (GstVp9Picture * picture)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
}
static inline gboolean
gst_vp9_picture_replace (GstVp9Picture ** old_picture,
GstVp9Picture * new_picture)
{
return gst_mini_object_replace ((GstMiniObject **) old_picture,
(GstMiniObject *) new_picture);
}
static inline void
gst_clear_vp9_picture (GstVp9Picture ** picture)
{
if (picture && *picture) {
gst_vp9_picture_unref (*picture);
*picture = NULL;
}
}
GST_CODECS_API
void gst_vp9_picture_set_user_data (GstVp9Picture * picture,
gpointer user_data,
GDestroyNotify notify);
GST_CODECS_API
gpointer gst_vp9_picture_get_user_data (GstVp9Picture * picture);
/*******************
* GstVp9Dpb *
*******************/
typedef struct _GstVp9Dpb GstVp9Dpb;
struct _GstVp9Dpb
{
GstVp9Picture *pic_list[GST_VP9_REF_FRAMES];
};
GST_CODECS_API
GstVp9Dpb * gst_vp9_dpb_new (void);
GST_CODECS_API
void gst_vp9_dpb_free (GstVp9Dpb * dpb);
GST_CODECS_API
void gst_vp9_dpb_clear (GstVp9Dpb * dpb);
GST_CODECS_API
void gst_vp9_dpb_add (GstVp9Dpb * dpb,
GstVp9Picture * picture);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVp9Picture, gst_vp9_picture_unref)
G_END_DECLS
#endif /* __GST_VP9_PICTURE_H__ */