7ad82930e2
Similar to h264parse, this patch enhances the element to parse LCEVC enhancement data from SEI, and attach it to output buffers as GstLcevcMeta. The 'lcevc' field in the output caps is also set to TRUE or FALSE depending on whether LCEVC data is present or not. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9335>
144 lines
3.8 KiB
C
144 lines
3.8 KiB
C
/* GStreamer H.265 Parser
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* Copyright (C) 2013 Intel Corporation
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* Contact: Sreerenj Balachandran <sreerenj.balachandran@intel.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_PARSE_H__
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#define __GST_H265_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/gsth265parser.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_H265_PARSE \
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(gst_h265_parse_get_type())
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#define GST_H265_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H265_PARSE,GstH265Parse))
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#define GST_H265_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H265_PARSE,GstH265ParseClass))
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#define GST_IS_H265_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H265_PARSE))
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#define GST_IS_H265_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H265_PARSE))
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GType gst_h265_parse_get_type (void);
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typedef struct _GstH265Parse GstH265Parse;
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typedef struct _GstH265ParseClass GstH265ParseClass;
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struct _GstH265Parse
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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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gboolean lcevc;
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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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GstH265Parser *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 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 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 SPS and PPS NALUs */
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GstBuffer *vps_nals[GST_H265_MAX_VPS_COUNT];
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GstBuffer *sps_nals[GST_H265_MAX_SPS_COUNT];
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GstBuffer *pps_nals[GST_H265_MAX_PPS_COUNT];
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/* Infos we need to keep track of */
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guint8 sei_pic_struct;
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/* Collected TimeCode SEI */
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GstH265TimeCode time_code;
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gboolean discont;
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gboolean marker;
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/* frame parsing */
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gint idr_pos, sei_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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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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};
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struct _GstH265ParseClass
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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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