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/*
ogmmerge -- utility for splicing together ogg bitstreams
from component media subtypes
r_ogm.h
class definitions for the OGG demultiplexer module
Written by Moritz Bunkus <moritz@bunkus.org>
Based on Xiph.org's 'oggmerge' found in their CVS repository
See http://www.xiph.org
Distributed under the GPL
see the file COPYING for details
or visit http://www.gnu.org/copyleft/gpl.html
*/
#ifndef __R_OGM_H__
#define __R_OGM_H__
#include <stdio.h>
#include <ogg/ogg.h>
#include "ogmmerge.h"
#include "queue.h"
#define OGM_STREAM_TYPE_UNKNOWN 0
#define OGM_STREAM_TYPE_VORBIS 1
#define OGM_STREAM_TYPE_VIDEO 2
#define OGM_STREAM_TYPE_PCM 3
#define OGM_STREAM_TYPE_MP3 4
#define OGM_STREAM_TYPE_AC3 5
#define OGM_STREAM_TYPE_TEXT 6
typedef struct ogm_demuxer_t {
ogg_stream_state os;
generic_packetizer_c *packetizer;
int sid;
int stype;
int eos;
int serial;
int units_processed;
ogm_demuxer_t *next;
} ogm_demuxer_t;
class ogm_reader_c: public generic_reader_c {
private:
ogg_sync_state oy;
unsigned char *astreams, *vstreams, *tstreams;
FILE *file;
char *filename;
int act_wchar;
ogm_demuxer_t *sdemuxers;
int nastreams, nvstreams, ntstreams, numstreams;
audio_sync_t async;
range_t range;
char **comments;
char *fourcc;
int o_eos;
public:
ogm_reader_c(char *fname, unsigned char *astreams,
unsigned char *vstreams, unsigned char *tstreams,
audio_sync_t *nasync, range_t *nrange, char **ncomments,
char *nfourcc) throw (error_c);
virtual ~ogm_reader_c();
virtual int read();
virtual int serial_in_use(int);
virtual ogmmerge_page_t *get_page();
virtual ogmmerge_page_t *get_header_page(int header_type =
PACKET_TYPE_HEADER);
virtual void reset();
virtual int display_priority();
virtual void display_progress();
virtual void overwrite_eos(int no_eos);
virtual generic_packetizer_c *set_packetizer(generic_packetizer_c *np);
static int probe_file(FILE *file, off_t size);
private:
virtual ogm_demuxer_t *find_demuxer(int serialno);
virtual int demuxing_requested(unsigned char *, int);
virtual void flush_packetizers();
virtual int read_page(ogg_page *);
virtual void add_new_demuxer(ogm_demuxer_t *);
virtual int pages_available();
virtual void handle_new_stream(ogg_page *);
virtual void process_page(ogg_page *);
virtual void read_headers();
};
#endif /* __R_OGM_H__*/
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