| /* GStreamer H.264 Parser |
| * Copyright (C) <2010> Collabora ltd |
| * Copyright (C) <2010> Nokia Corporation |
| * Copyright (C) <2011> Intel Corporation |
| * |
| * Copyright (C) <2010> Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk> |
| * Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.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_H264_PARSE_H__ |
| #define __GST_H264_PARSE_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/base/gstbaseparse.h> |
| #include <gst/codecparsers/gsth264parser.h> |
| #include <gst/video/video.h> |
| |
| G_BEGIN_DECLS |
| |
| typedef struct _H264Params H264Params; |
| |
| #define GST_TYPE_H264_PARSE \ |
| (gst_h264_parse_get_type()) |
| #define GST_H264_PARSE(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H264_PARSE,GstH264Parse)) |
| #define GST_H264_PARSE_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H264_PARSE,GstH264ParseClass)) |
| #define GST_IS_H264_PARSE(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H264_PARSE)) |
| #define GST_IS_H264_PARSE_CLASS(klass) \ |
| (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H264_PARSE)) |
| |
| GType gst_h264_parse_get_type (void); |
| |
| typedef struct _GstH264Parse GstH264Parse; |
| typedef struct _GstH264ParseClass GstH264ParseClass; |
| |
| struct _GstH264Parse |
| { |
| GstBaseParse baseparse; |
| |
| /* stream */ |
| gint width, height; |
| gint fps_num, fps_den; |
| gint upstream_par_n, upstream_par_d; |
| gint parsed_par_n, parsed_par_d; |
| /* current codec_data in output caps, if any */ |
| GstBuffer *codec_data; |
| /* input codec_data, if any */ |
| GstBuffer *codec_data_in; |
| guint nal_length_size; |
| gboolean packetized; |
| gboolean split_packetized; |
| gboolean transform; |
| |
| /* state */ |
| GstH264NalParser *nalparser; |
| guint state; |
| guint in_align; |
| guint align; |
| guint format; |
| gint current_off; |
| /* True if input format and alignment match negotiated output */ |
| gboolean can_passthrough; |
| |
| GstClockTime last_report; |
| gboolean push_codec; |
| /* The following variables have a meaning in context of "have |
| * SPS/PPS to push downstream", e.g. to update caps */ |
| gboolean have_sps; |
| gboolean have_pps; |
| |
| gboolean sent_codec_tag; |
| |
| /* collected SPS and PPS NALUs */ |
| GstBuffer *sps_nals[GST_H264_MAX_SPS_COUNT]; |
| GstBuffer *pps_nals[GST_H264_MAX_PPS_COUNT]; |
| |
| /* Infos we need to keep track of */ |
| guint32 sei_cpb_removal_delay; |
| guint8 sei_pic_struct; |
| guint8 sei_pic_struct_pres_flag; |
| guint field_pic_flag; |
| |
| /* cached timestamps */ |
| /* (trying to) track upstream dts and interpolate */ |
| GstClockTime dts; |
| /* dts at start of last buffering period */ |
| GstClockTime ts_trn_nb; |
| gboolean do_ts; |
| |
| gboolean discont; |
| |
| /* frame parsing */ |
| /*guint last_nal_pos;*/ |
| /*guint next_sc_pos;*/ |
| gint idr_pos, sei_pos; |
| gboolean update_caps; |
| GstAdapter *frame_out; |
| gboolean keyframe; |
| gboolean header; |
| gboolean frame_start; |
| /* AU state */ |
| gboolean picture_start; |
| |
| /* props */ |
| gint interval; |
| |
| GstClockTime pending_key_unit_ts; |
| GstEvent *force_key_unit_event; |
| |
| /* Stereo / multiview info */ |
| GstVideoMultiviewMode multiview_mode; |
| GstVideoMultiviewFlags multiview_flags; |
| gboolean first_in_bundle; |
| |
| /* For insertion of AU Delimiter */ |
| gboolean aud_needed; |
| gboolean aud_insert; |
| }; |
| |
| struct _GstH264ParseClass |
| { |
| GstBaseParseClass parent_class; |
| }; |
| |
| G_END_DECLS |
| #endif |