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223 lines
6.1 KiB
C
223 lines
6.1 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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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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#ifndef __GST_H265_PICTURE_H__
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#define __GST_H265_PICTURE_H__
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#ifndef GST_USE_UNSTABLE_API
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#warning "The CODECs library is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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#include <gst/gst.h>
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#include <gst/codecs/codecs-prelude.h>
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#include <gst/codecs/gstcodecpicture.h>
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#include <gst/codecparsers/gsth265parser.h>
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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#define GST_TYPE_H265_PICTURE (gst_h265_picture_get_type())
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#define GST_IS_H265_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_H265_PICTURE))
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#define GST_H265_PICTURE(obj) ((GstH265Picture *)obj)
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#define GST_H265_PICTURE_CAST(obj) (GST_H265_PICTURE(obj))
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typedef struct _GstH265Slice GstH265Slice;
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typedef struct _GstH265Picture GstH265Picture;
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#define GST_H265_DPB_MAX_SIZE 16
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struct _GstH265Slice
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{
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GstH265SliceHdr header;
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/* parsed nal unit (doesn't take ownership of raw data) */
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GstH265NalUnit nalu;
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/*< private >*/
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gboolean rap_pic_flag;
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gboolean no_rasl_output_flag;
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gboolean no_output_of_prior_pics_flag;
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gboolean clear_dpb;
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gboolean intra_pic_flag;
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};
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struct _GstH265Picture
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{
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/*< private >*/
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GstCodecPicture parent;
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GstH265SliceType type;
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gint pic_order_cnt;
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gint pic_order_cnt_msb;
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gint pic_order_cnt_lsb;
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guint32 pic_latency_cnt; /* PicLatencyCount */
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gboolean output_flag;
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gboolean NoRaslOutputFlag;
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gboolean NoOutputOfPriorPicsFlag;
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gboolean RapPicFlag; /* nalu type between 16 and 21 */
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gboolean IntraPicFlag; /* Intra pic (only Intra slices) */
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gboolean ref;
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gboolean long_term;
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gboolean needed_for_output;
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/* from picture timing SEI */
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GstH265SEIPicStructType pic_struct;
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guint8 source_scan_type;
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guint8 duplicate_flag;
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GstVideoBufferFlags buffer_flags;
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};
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GST_CODECS_API
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GType gst_h265_picture_get_type (void);
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GST_CODECS_API
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GstH265Picture * gst_h265_picture_new (void);
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static inline GstH265Picture *
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gst_h265_picture_ref (GstH265Picture * picture)
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{
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return (GstH265Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
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}
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static inline void
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gst_h265_picture_unref (GstH265Picture * picture)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
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}
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static inline gboolean
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gst_h265_picture_replace (GstH265Picture ** old_picture,
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GstH265Picture * new_picture)
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{
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return gst_mini_object_replace ((GstMiniObject **) old_picture,
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(GstMiniObject *) new_picture);
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}
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static inline void
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gst_clear_h265_picture (GstH265Picture ** picture)
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{
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if (picture && *picture) {
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gst_h265_picture_unref (*picture);
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*picture = NULL;
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}
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}
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static inline void
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gst_h265_picture_set_user_data (GstH265Picture * picture, gpointer user_data,
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GDestroyNotify notify)
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{
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gst_codec_picture_set_user_data (GST_CODEC_PICTURE (picture),
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user_data, notify);
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}
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static inline gpointer
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gst_h265_picture_get_user_data (GstH265Picture * picture)
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{
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return gst_codec_picture_get_user_data (GST_CODEC_PICTURE (picture));
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}
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static inline void
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gst_h265_picture_set_discont_state (GstH265Picture * picture,
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GstVideoCodecState * discont_state)
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{
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gst_codec_picture_set_discont_state (GST_CODEC_PICTURE (picture),
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discont_state);
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}
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/*******************
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* GstH265Dpb *
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*******************/
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typedef struct _GstH265Dpb GstH265Dpb;
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GST_CODECS_API
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GstH265Dpb * gst_h265_dpb_new (void);
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GST_CODECS_API
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void gst_h265_dpb_set_max_num_pics (GstH265Dpb * dpb,
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gint max_num_pics);
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GST_CODECS_API
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gint gst_h265_dpb_get_max_num_pics (GstH265Dpb * dpb);
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GST_CODECS_API
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void gst_h265_dpb_free (GstH265Dpb * dpb);
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GST_CODECS_API
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void gst_h265_dpb_clear (GstH265Dpb * dpb);
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GST_CODECS_API
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void gst_h265_dpb_add (GstH265Dpb * dpb,
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GstH265Picture * picture);
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GST_CODECS_API
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void gst_h265_dpb_delete_unused (GstH265Dpb * dpb);
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GST_CODECS_API
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gint gst_h265_dpb_num_ref_pictures (GstH265Dpb * dpb);
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GST_CODECS_API
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void gst_h265_dpb_mark_all_non_ref (GstH265Dpb * dpb);
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GST_CODECS_API
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GstH265Picture * gst_h265_dpb_get_ref_by_poc (GstH265Dpb * dpb,
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gint poc);
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GST_CODECS_API
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GstH265Picture * gst_h265_dpb_get_ref_by_poc_lsb (GstH265Dpb * dpb,
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gint poc_lsb);
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GST_CODECS_API
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GstH265Picture * gst_h265_dpb_get_short_ref_by_poc (GstH265Dpb * dpb,
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gint poc);
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GST_CODECS_API
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GstH265Picture * gst_h265_dpb_get_long_ref_by_poc (GstH265Dpb * dpb,
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gint poc);
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GST_CODECS_API
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GArray * gst_h265_dpb_get_pictures_all (GstH265Dpb * dpb);
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GST_CODECS_API
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GstH265Picture * gst_h265_dpb_get_picture (GstH265Dpb * dpb,
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guint32 system_frame_number);
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GST_CODECS_API
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gint gst_h265_dpb_get_size (GstH265Dpb * dpb);
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GST_CODECS_API
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gboolean gst_h265_dpb_needs_bump (GstH265Dpb * dpb,
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guint max_num_reorder_pics,
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guint max_latency_increase,
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guint max_dec_pic_buffering);
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GST_CODECS_API
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GstH265Picture * gst_h265_dpb_bump (GstH265Dpb * dpb,
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gboolean drain);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstH265Picture, gst_h265_picture_unref)
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G_END_DECLS
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#endif /* __GST_H265_PICTURE_H__ */
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