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87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
/*
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mkvmerge -- utility for splicing together matroska files
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from component media subtypes
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r_ogm.h
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Written by Moritz Bunkus <moritz@bunkus.org>
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Distributed under the GPL
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see the file COPYING for details
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or visit http://www.gnu.org/copyleft/gpl.html
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*/
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/*!
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\file
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\version \$Id: r_ogm.h,v 1.16 2003/06/12 23:05:49 mosu Exp $
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\brief class definitions for the OGG media stream reader
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\author Moritz Bunkus <moritz@bunkus.org>
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*/
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#ifndef __R_OGM_H
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#define __R_OGM_H
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#include <stdio.h>
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#include <ogg/ogg.h>
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#include "mm_io.h"
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#include "common.h"
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#include "pr_generic.h"
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#define OGM_STREAM_TYPE_UNKNOWN 0
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#define OGM_STREAM_TYPE_VORBIS 1
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#define OGM_STREAM_TYPE_VIDEO 2
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#define OGM_STREAM_TYPE_PCM 3
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#define OGM_STREAM_TYPE_MP3 4
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#define OGM_STREAM_TYPE_AC3 5
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#define OGM_STREAM_TYPE_TEXT 6
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typedef struct {
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ogg_stream_state os;
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generic_packetizer_c *packetizer;
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int sid, stype, serial, eos;
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int units_processed, num_packets, vorbis_rate, packet_sizes[3];
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unsigned char *packet_data[3];
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} ogm_demuxer_t;
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class ogm_reader_c: public generic_reader_c {
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private:
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ogg_sync_state oy;
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mm_io_c *mm_io;
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int act_wchar, num_sdemuxers, nastreams, nvstreams, ntstreams, numstreams;
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ogm_demuxer_t **sdemuxers;
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char **comments;
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int bos_pages_read;
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public:
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ogm_reader_c(track_info_t *nti) throw (error_c);
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virtual ~ogm_reader_c();
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virtual int read();
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virtual packet_t *get_packet();
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virtual void set_headers();
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virtual void identify();
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virtual int display_priority();
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virtual void display_progress();
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static int probe_file(mm_io_c *mm_io, int64_t size);
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private:
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virtual ogm_demuxer_t *find_demuxer(int serialno);
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virtual int demuxing_requested(unsigned char *, int);
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virtual int read_page(ogg_page *);
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virtual void add_new_demuxer(ogm_demuxer_t *);
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virtual void handle_new_stream(ogg_page *);
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virtual void process_page(ogg_page *);
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virtual int packet_available();
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virtual int read_headers();
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virtual void process_header_page(ogg_page *);
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virtual void create_packetizers();
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virtual void free_demuxer(int);
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};
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#endif // __R_OGM_H
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