gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstvp8picture.h
Seungha Yang 2ede4011bf codecs: Keep track of non-decoding-essential input state change
In theory, input caps can be updated anytime at non-keyframe or
sequence boundary, such as HDR10 metadata, framerate, aspect-ratio
or so. Those information update might not trigger ::new_sequence()
or subclass may ignore the changes.

By this commit, input state change will be tracked by baseclass
and subclass will be able to know the non-decoding-essential
update by checking the codec specific picture struct
on ::output_picture()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3328>
2022-11-16 13:12:38 +00:00

103 lines
2.8 KiB
C

/* GStreamer
* Copyright (C) 2020 Seungha Yang <seungha@centricular.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_VP8_PICTURE_H__
#define __GST_VP8_PICTURE_H__
#include <gst/codecs/codecs-prelude.h>
#include <gst/codecparsers/gstvp8parser.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_VP8_PICTURE (gst_vp8_picture_get_type())
#define GST_IS_VP8_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_VP8_PICTURE))
#define GST_VP8_PICTURE(obj) ((GstVp8Picture *)obj)
#define GST_VP8_PICTURE_CAST(obj) (GST_VP8_PICTURE(obj))
typedef struct _GstVp8Picture GstVp8Picture;
struct _GstVp8Picture
{
/*< private >*/
GstMiniObject parent;
GstClockTime pts;
/* From GstVideoCodecFrame */
guint32 system_frame_number;
GstVp8FrameHdr 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_vp8_picture_get_type (void);
GST_CODECS_API
GstVp8Picture * gst_vp8_picture_new (void);
static inline GstVp8Picture *
gst_vp8_picture_ref (GstVp8Picture * picture)
{
return (GstVp8Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
}
static inline void
gst_vp8_picture_unref (GstVp8Picture * picture)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
}
static inline gboolean
gst_vp8_picture_replace (GstVp8Picture ** old_picture,
GstVp8Picture * new_picture)
{
return gst_mini_object_replace ((GstMiniObject **) old_picture,
(GstMiniObject *) new_picture);
}
static inline void
gst_clear_vp8_picture (GstVp8Picture ** picture)
{
if (picture && *picture) {
gst_vp8_picture_unref (*picture);
*picture = NULL;
}
}
GST_CODECS_API
void gst_vp8_picture_set_user_data (GstVp8Picture * picture,
gpointer user_data,
GDestroyNotify notify);
GST_CODECS_API
gpointer gst_vp8_picture_get_user_data (GstVp8Picture * picture);
G_END_DECLS
#endif /* __GST_VP8_PICTURE_H__ */