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98 lines
2.3 KiB
C++
98 lines
2.3 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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pr_generic.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: pr_generic.h,v 1.20 2003/04/18 10:08:24 mosu Exp $
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\brief class definition for the generic reader and packetizer
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\author Moritz Bunkus <moritz @ bunkus.org>
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*/
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#ifndef __PR_GENERIC_H
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#define __PR_GENERIC_H
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#include "KaxBlock.h"
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#include "KaxCluster.h"
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#include "KaxTracks.h"
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using namespace LIBMATROSKA_NAMESPACE;
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class generic_packetizer_c;
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typedef struct {
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int displacement;
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double linear;
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} audio_sync_t;
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typedef struct {
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// Options used by the readers.
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char *fname;
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unsigned char *atracks, *vtracks, *stracks;
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// Options used by the packetizers.
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unsigned char *private_data;
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int private_size;
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char fourcc[5];
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audio_sync_t async;
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} track_info_t;
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typedef struct packet_t {
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DataBuffer *data_buffer;
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KaxBlockGroup *group;
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KaxBlock *block;
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KaxCluster *cluster;
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unsigned char *data;
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int length, superseeded;
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int64_t timecode, id, bref, fref;
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generic_packetizer_c *source;
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} packet_t;
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class generic_packetizer_c {
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protected:
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int serialno;
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track_info_t *ti;
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int64_t free_refs;
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public:
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KaxTrackEntry *track_entry;
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generic_packetizer_c(track_info_t *nti);
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virtual ~generic_packetizer_c();
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virtual void set_free_refs(int64_t nfree_refs);
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virtual int64_t get_free_refs();
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virtual int packet_available() = 0;
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virtual packet_t *get_packet() = 0;
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virtual void set_header() = 0;
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virtual int64_t get_smallest_timecode() = 0;
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virtual int process(unsigned char *data, int size,
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int64_t timecode = -1, int64_t length = -1) = 0;
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};
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class generic_reader_c {
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protected:
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track_info_t *ti;
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public:
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generic_reader_c(track_info_t *nti);
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virtual ~generic_reader_c();
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virtual int read() = 0;
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virtual packet_t *get_packet() = 0;
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virtual int display_priority() = 0;
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virtual void display_progress() = 0;
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};
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track_info_t *duplicate_track_info(track_info_t *src);
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void free_track_info(track_info_t *ti);
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#endif // __PR_GENERIC_H
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