mkvtoolnix/cluster_helper.h

89 lines
2.0 KiB
C++

/*
mkvmerge -- utility for splicing together matroska files
from component media subtypes
cluster_helper.h
Written by Moritz Bunkus <moritz@bunkus.org>
Distributed under the GPL
see the file COPYING for details
or visit http://www.gnu.org/copyleft/gpl.html
*/
/*!
\file
\version $Id$
\brief class definition for the cluster helper
\author Moritz Bunkus <moritz@bunkus.org>
*/
#ifndef __CLUSTER_HELPER_C
#define __CLUSTER_HELPER_C
#include <vector>
#include "os.h"
#include <matroska/KaxBlock.h>
#include <matroska/KaxCluster.h>
#include "mm_io.h"
#include "pr_generic.h"
using namespace std;
typedef struct {
KaxCluster *cluster;
packet_t **packets;
int num_packets, is_referenced, rendered;
} ch_contents_t;
typedef struct {
int64_t timecode, filepos, cues_size, packet_num;
int64_t *last_packets;
} splitpoint_t;
class cluster_helper_c {
private:
ch_contents_t **clusters;
int num_clusters, cluster_content_size, next_splitpoint;
int64_t max_timecode, last_cluster_tc, num_cue_elements, header_overhead;
int64_t packet_num, timecode_offset, *last_packets, first_timecode;
mm_io_c *out;
vector<int64_t> durations;
public:
static vector<splitpoint_t *> splitpoints;
public:
cluster_helper_c();
virtual ~cluster_helper_c();
void set_output(mm_io_c *nout);
void add_cluster(KaxCluster *cluster);
KaxCluster *get_cluster();
void add_packet(packet_t *packet);
int64_t get_timecode();
packet_t *get_packet(int num);
int get_packet_count();
int render();
int free_ref(int64_t ref_timecode, void *source);
int free_clusters();
int get_cluster_content_size();
int64_t get_max_timecode();
int64_t get_first_timecode();
void find_next_splitpoint();
int get_next_splitpoint();
private:
int find_cluster(KaxCluster *cluster);
ch_contents_t *find_packet_cluster(int64_t ref_timecode);
packet_t *find_packet(int64_t ref_timecode);
void free_contents(ch_contents_t *clstr);
void check_clusters(int num);
};
extern cluster_helper_c *cluster_helper;
#endif // __CLUSTER_HELPER_C