gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gsth265picture.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_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>
#include <gst/video/video.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;
/*< private >*/
gboolean rap_pic_flag;
gboolean no_rasl_output_flag;
gboolean no_output_of_prior_pics_flag;
gboolean clear_dpb;
gboolean intra_pic_flag;
};
struct _GstH265Picture
{
/*< private >*/
GstMiniObject parent;
GstH265SliceType type;
/* 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;
/* from picture timing SEI */
GstH265SEIPicStructType pic_struct;
guint8 source_scan_type;
guint8 duplicate_flag;
GstVideoBufferFlags buffer_flags;
/* decoder input state if this picture is discont point */
GstVideoCodecState *discont_state;
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_clear_h265_picture (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_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);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstH265Picture, gst_h265_picture_unref)
G_END_DECLS
#endif /* __GST_H265_PICTURE_H__ */