1 /* GStreamer 2 * Copyright (C) <2007> Jan Schmidt <thaytan@mad.scientist.com> 3 * Copyright (C) <2011> Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk> 4 * Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com> 5 * Copyright (C) <2011> Collabora ltd 6 * Copyright (C) <2011> Nokia Corporation 7 * Copyright (C) <2011> Intel Corporation 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public 20 * License along with this library; if not, write to the 21 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 */ 24 25 #ifndef __GST_MPEGVIDEO_PARSE_H__ 26 #define __GST_MPEGVIDEO_PARSE_H__ 27 28 #include <gst/gst.h> 29 #include <gst/base/gstbaseparse.h> 30 #include "gstvideoparseutils.h" 31 #include <gst/codecparsers/gstmpegvideoparser.h> 32 33 G_BEGIN_DECLS 34 35 #define GST_TYPE_MPEGVIDEO_PARSE (gst_mpegv_parse_get_type()) 36 #define GST_MPEGVIDEO_PARSE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),\ 37 GST_TYPE_MPEGVIDEO_PARSE, GstMpegvParse)) 38 #define GST_MPEGVIDEO_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),\ 39 GST_TYPE_MPEGVIDEO_PARSE, GstMpegvParseClass)) 40 #define GST_MPEGVIDEO_PARSE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\ 41 GST_TYPE_MPEGVIDEO_PARSE, GstMpegvParseClass)) 42 #define GST_IS_MPEGVIDEO_PARSE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),\ 43 GST_TYPE_MPEGVIDEO_PARSE)) 44 #define GST_IS_MPEGVIDEO_PARSE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),\ 45 GST_TYPE_MPEGVIDEO_PARSE)) 46 47 typedef struct _GstMpegvParse GstMpegvParse; 48 typedef struct _GstMpegvParseClass GstMpegvParseClass; 49 50 /* Config/sequence flags. Reset each time config is re-parsed */ 51 enum { 52 FLAG_NONE = 0, 53 FLAG_MPEG2 = 1, 54 FLAG_SEQUENCE_EXT = 2, 55 FLAG_SEQUENCE_DISPLAY_EXT = 4 56 }; 57 58 struct _GstMpegvParse { 59 GstBaseParse element; 60 61 /* parse state */ 62 gint ext_offsets[10]; 63 gint ext_count; 64 gint last_sc; 65 gint seq_offset; 66 gint seq_size; 67 gint pic_offset; 68 guint slice_count; 69 guint slice_offset; 70 gboolean update_caps; 71 gboolean send_codec_tag; 72 gboolean send_mpeg_meta; 73 74 GstBuffer *config; 75 guint8 profile; 76 guint config_flags; 77 GstMpegVideoSequenceHdr sequencehdr; 78 GstMpegVideoSequenceExt sequenceext; 79 GstMpegVideoSequenceDisplayExt sequencedispext; 80 GstMpegVideoPictureHdr pichdr; 81 GstMpegVideoPictureExt picext; 82 GstMpegVideoQuantMatrixExt quantmatrext; 83 84 gboolean seqhdr_updated; 85 gboolean seqext_updated; 86 gboolean seqdispext_updated; 87 gboolean picext_updated; 88 gboolean quantmatrext_updated; 89 90 GstVideoParseUserData user_data; 91 92 /* properties */ 93 gboolean drop; 94 gboolean gop_split; 95 96 int fps_num; 97 int fps_den; 98 int frame_repeat_count; 99 }; 100 101 struct _GstMpegvParseClass { 102 GstBaseParseClass parent_class; 103 }; 104 105 GType gst_mpegv_parse_get_type (void); 106 107 G_END_DECLS 108 109 #endif /* __GST_MPEGVIDEO_PARSE_H__ */ 110