mirror of
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115 lines
2.8 KiB
C++
115 lines
2.8 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 1.9 2003/02/28 14:50:04 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 <stdio.h>
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#include "IOCallback.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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#include "common.h"
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using namespace LIBMATROSKA_NAMESPACE;
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extern KaxTracks *kax_tracks;
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extern KaxTrackEntry *kax_last_entry;
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extern int track_number;
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struct packet_t;
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typedef struct {
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KaxCluster *cluster;
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packet_t **packets;
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int num_packets, is_referenced, rendered;
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} ch_contents;
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class cluster_helper_c {
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private:
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ch_contents **clusters;
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int num_clusters, cluster_content_size;
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public:
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cluster_helper_c();
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virtual ~cluster_helper_c();
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void add_cluster(KaxCluster *cluster);
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KaxCluster *get_cluster();
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void add_packet(packet_t *packet);
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u_int64_t get_timecode();
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packet_t *get_packet(int num);
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int get_packet_count();
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int render(IOCallback *out);
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int free_ref(u_int64_t pid, void *source);
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int free_clusters();
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int get_cluster_content_size();
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private:
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int find_cluster(KaxCluster *cluster);
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ch_contents *find_packet_cluster(u_int64_t pid);
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packet_t *find_packet(u_int64_t pid);
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void free_contents(ch_contents *clstr);
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void check_clusters(int num);
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};
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extern cluster_helper_c *cluster_helper;
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class generic_packetizer_c {
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protected:
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int serialno;
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void *private_data;
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int private_data_size;
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public:
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KaxTrackEntry *track_entry;
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generic_packetizer_c();
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virtual ~generic_packetizer_c();
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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 stamp_t get_smallest_timestamp() = 0;
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virtual void set_private_data(void *data, int size);
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};
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class generic_reader_c {
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public:
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generic_reader_c();
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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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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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char *data;
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int length, superseeded;
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u_int64_t timestamp, id, bref, fref;
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generic_packetizer_c *source;
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} packet_t;
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#endif // __PR_GENERIC_H
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