bb74aceb5d
Since APS is always carried in-band, we don't need to keep the APS NALs around in the parser anymore. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8359>
157 lines
4.2 KiB
C
157 lines
4.2 KiB
C
/* GStreamer H.266 Parse
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*
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* Copyright (C) 2024 Intel Corporation
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* Author: He Junyan <junyan.he@intel.com>
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* Author: Zhong Hongcheng <spartazhc@gmail.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_H266_PARSE_H__
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#define __GST_H266_PARSE_H__
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#include <gst/gst.h>
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#include <gst/base/gstbaseparse.h>
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#include <gst/codecparsers/gsth266parser.h>
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#include <gst/video/video.h>
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#include "gstvideoparseutils.h"
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G_BEGIN_DECLS
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#define GST_TYPE_H266_PARSE \
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(gst_h266_parse_get_type())
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#define GST_H266_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H266_PARSE,GstH266Parse))
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#define GST_H266_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H266_PARSE,GstH266ParseClass))
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#define GST_IS_H266_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H266_PARSE))
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#define GST_IS_H266_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H266_PARSE))
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GType gst_h266_parse_get_type (void);
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typedef struct _GstH266Parse GstH266Parse;
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typedef struct _GstH266ParseClass GstH266ParseClass;
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typedef struct _GstH266ParsePrivate GstH266ParsePrivate;
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/**
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* GstH266Parse:
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*
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* The H266 NAL Parse
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*
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* Since: 1.26
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*/
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struct _GstH266Parse
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{
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GstBaseParse baseparse;
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/* stream */
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gint width, height;
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gint fps_num, fps_den;
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gint upstream_par_n, upstream_par_d;
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gint parsed_par_n, parsed_par_d;
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gint parsed_fps_n, parsed_fps_d;
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GstVideoColorimetry parsed_colorimetry;
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/* current codec_data in output caps, if any */
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GstBuffer *codec_data;
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/* input codec_data, if any */
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GstBuffer *codec_data_in;
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guint nal_length_size;
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gboolean packetized;
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gboolean split_packetized;
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gboolean transform;
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/* state */
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GstH266Parser *nalparser;
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guint in_align;
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guint state;
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guint align;
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guint format;
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gint current_off;
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GstClockTime last_report;
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gboolean push_codec;
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/* The following variables have a meaning in context of "have
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* VPS/SPS/PPS/APS to push downstream", e.g. to update caps */
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gboolean have_vps;
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gboolean have_sps;
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gboolean have_pps;
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/* per frame vps/sps/pps/aps check for periodic push codec decision */
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gboolean have_vps_in_frame;
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gboolean have_sps_in_frame;
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gboolean have_pps_in_frame;
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gboolean first_frame;
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/* collected VPS, SPS, PPS and APS NALUs */
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GstBuffer *vps_nals[GST_H266_MAX_VPS_COUNT];
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GstBuffer *sps_nals[GST_H266_MAX_SPS_COUNT];
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GstBuffer *pps_nals[GST_H266_MAX_PPS_COUNT];
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/* FFI SEI Info we need to keep track of */
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GstH266FrameFieldInfo sei_frame_field;
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guint interlaced_mode;
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gboolean discont;
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gboolean marker;
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/* frame parsing */
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/* the pos to begin a new IDR, may include prefix SEI, APS, etc */
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gint idr_pos;
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gboolean update_caps;
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GstAdapter *frame_out;
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gboolean keyframe;
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gboolean predicted;
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gboolean bidirectional;
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gboolean header;
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gboolean framerate_from_caps;
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/* AU state */
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gboolean picture_start;
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guint last_nuh_layer_id;
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GstVideoParseUserData user_data;
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GstVideoParseUserDataUnregistered user_data_unregistered;
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/* props */
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gint interval;
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GstClockTime pending_key_unit_ts;
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GstEvent *force_key_unit_event;
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GstVideoMasteringDisplayInfo mastering_display_info;
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guint mastering_display_info_state;
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GstVideoContentLightLevel content_light_level;
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guint content_light_level_state;
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/* For forward predicted trickmode */
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gboolean discard_bidirectional;
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/*< private >*/
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GstH266ParsePrivate *priv;
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gpointer padding[GST_PADDING_LARGE];
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};
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struct _GstH266ParseClass
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{
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GstBaseParseClass parent_class;
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};
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G_END_DECLS
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#endif
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