gstreamer/gst-libs/gst/codecs/gsth265picture.h
Seungha Yang db10288382 codecs: h265decoder: Make GstVideoCodecFrame hold the last reference of the buffer
The functionality of passing the last reference of GstH265Picture
was silently dropped by the commit eeffd91109
This commit will make it work again.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1755>
2020-11-02 20:20:56 +00:00

213 lines
5.8 KiB
C

/* 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_H265_PICTURE_H__
#define __GST_H265_PICTURE_H__
#ifndef GST_USE_UNSTABLE_API
#warning "The CODECs library is unstable API and may change in future."
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
#endif
#include <gst/gst.h>
#include <gst/codecs/codecs-prelude.h>
#include <gst/codecparsers/gsth265parser.h>
G_BEGIN_DECLS
#define GST_TYPE_H265_PICTURE (gst_h265_picture_get_type())
#define GST_IS_H265_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_H265_PICTURE))
#define GST_H265_PICTURE(obj) ((GstH265Picture *)obj)
#define GST_H265_PICTURE_CAST(obj) (GST_H265_PICTURE(obj))
typedef struct _GstH265Slice GstH265Slice;
typedef struct _GstH265Picture GstH265Picture;
#define GST_H265_DPB_MAX_SIZE 16
struct _GstH265Slice
{
GstH265SliceHdr header;
/* parsed nal unit (doesn't take ownership of raw data) */
GstH265NalUnit nalu;
};
typedef enum
{
GST_H265_PICTURE_FIELD_FRAME,
GST_H265_PICTURE_FILED_TOP_FIELD,
GST_H265_PICTURE_FIELD_BOTTOM_FIELD,
} GstH265PictureField;
struct _GstH265Picture
{
/*< private >*/
GstMiniObject parent;
GstH265SliceType type;
GstClockTime pts;
/* From GstVideoCodecFrame */
guint32 system_frame_number;
gint pic_order_cnt;
gint pic_order_cnt_msb;
gint pic_order_cnt_lsb;
guint32 pic_latency_cnt; /* PicLatencyCount */
gboolean output_flag;
gboolean NoRaslOutputFlag;
gboolean NoOutputOfPriorPicsFlag;
gboolean RapPicFlag; /* nalu type between 16 and 21 */
gboolean IntraPicFlag; /* Intra pic (only Intra slices) */
gboolean ref;
gboolean long_term;
gboolean needed_for_output;
GstH265PictureField field;
gpointer user_data;
GDestroyNotify notify;
};
GST_CODECS_API
GType gst_h265_picture_get_type (void);
GST_CODECS_API
GstH265Picture * gst_h265_picture_new (void);
static inline GstH265Picture *
gst_h265_picture_ref (GstH265Picture * picture)
{
return (GstH265Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
}
static inline void
gst_h265_picture_unref (GstH265Picture * picture)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
}
static inline gboolean
gst_h265_picture_replace (GstH265Picture ** old_picture,
GstH265Picture * new_picture)
{
return gst_mini_object_replace ((GstMiniObject **) old_picture,
(GstMiniObject *) new_picture);
}
static inline void
gst_h265_picture_clear (GstH265Picture ** picture)
{
if (picture && *picture) {
gst_h265_picture_unref (*picture);
*picture = NULL;
}
}
GST_CODECS_API
void gst_h265_picture_set_user_data (GstH265Picture * picture,
gpointer user_data,
GDestroyNotify notify);
GST_CODECS_API
gpointer gst_h265_picture_get_user_data (GstH265Picture * picture);
/*******************
* GstH265Dpb *
*******************/
typedef struct _GstH265Dpb GstH265Dpb;
GST_CODECS_API
GstH265Dpb * gst_h265_dpb_new (void);
GST_CODECS_API
void gst_h265_dpb_set_max_num_pics (GstH265Dpb * dpb,
gint max_num_pics);
GST_CODECS_API
gint gst_h265_dpb_get_max_num_pics (GstH265Dpb * dpb);
GST_CODECS_API
void gst_h265_dpb_free (GstH265Dpb * dpb);
GST_CODECS_API
void gst_h265_dpb_clear (GstH265Dpb * dpb);
GST_CODECS_API
void gst_h265_dpb_add (GstH265Dpb * dpb,
GstH265Picture * picture);
GST_CODECS_API
void gst_h265_dpb_delete_unused (GstH265Dpb * dpb);
GST_CODECS_API
gint gst_h265_dpb_num_ref_pictures (GstH265Dpb * dpb);
GST_CODECS_API
void gst_h265_dpb_mark_all_non_ref (GstH265Dpb * dpb);
GST_CODECS_API
GstH265Picture * gst_h265_dpb_get_ref_by_poc (GstH265Dpb * dpb,
gint poc);
GST_CODECS_API
GstH265Picture * gst_h265_dpb_get_ref_by_poc_lsb (GstH265Dpb * dpb,
gint poc_lsb);
GST_CODECS_API
GstH265Picture * gst_h265_dpb_get_short_ref_by_poc (GstH265Dpb * dpb,
gint poc);
GST_CODECS_API
GstH265Picture * gst_h265_dpb_get_long_ref_by_poc (GstH265Dpb * dpb,
gint poc);
GST_CODECS_API
GArray * gst_h265_dpb_get_pictures_all (GstH265Dpb * dpb);
GST_CODECS_API
GstH265Picture * gst_h265_dpb_get_picture (GstH265Dpb * dpb,
guint32 system_frame_number);
GST_CODECS_API
gint gst_h265_dpb_get_size (GstH265Dpb * dpb);
GST_CODECS_API
gboolean gst_h265_dpb_is_full (GstH265Dpb * dpb);
GST_CODECS_API
gboolean gst_h265_dpb_needs_bump (GstH265Dpb * dpb,
guint max_num_reorder_pics,
guint max_latency_increase,
guint max_dec_pic_buffering);
GST_CODECS_API
GstH265Picture * gst_h265_dpb_bump (GstH265Dpb * dpb,
gboolean drain);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstH265Picture, gst_h265_picture_unref)
G_END_DECLS
#endif /* __GST_H265_PICTURE_H__ */