+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2009 Adam Williams <broadcast at earthling dot net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-
-#ifndef INDEXSTATE_H
-#define INDEXSTATE_H
-
-#include "arraylist.h"
-#include "asset.inc"
-#include "filexml.inc"
-#include "garbage.h"
-#include "indexstate.inc"
-#include "mutex.inc"
-
-#include <stdio.h>
-#include <stdint.h>
-
-class IndexItem {
-public:
- float max, min;
-};
-
-class IndexMark {
-public:
- int64_t no, pos;
- IndexMark() {}
- IndexMark(int64_t n, int64_t p) { no = n; pos = p; }
-
- bool operator==(IndexMark &v) { return v.no == no; }
- bool operator >(IndexMark &v) { return v.no > no; }
-};
-
-class IndexChannel : public IndexItem {
-public:
- IndexChannel(IndexState *state, int64_t length);
- ~IndexChannel();
-
- IndexState *state;
- IndexItem *bfr, *inp;
- int64_t length, size;
- int zidx;
-
- void alloc(int64_t sz) { bfr = inp = new IndexItem[(size=sz)+1]; }
- int64_t used() { return inp - bfr; }
- int64_t avail() { return size - used(); }
- int64_t pos();
- void put_sample(float v, int zoom) {
- if( v > max ) max = v;
- if( v < min ) min = v;
- if( ++zidx >= zoom )
- put_entry();
- }
- void put_entry();
- void pad_data(int64_t pos);
-};
-
-class IndexChannels : public ArrayList<IndexChannel*> {
-public:
- IndexChannels() {}
- ~IndexChannels() { remove_all_objects(); }
-};
-
-
-class IndexEntry {
-public:
- float *bfr;
-// offsets / sizes of channels in index buffer in floats
- int64_t offset, size;
- IndexEntry(float *bp, int64_t ofs, int64_t sz) {
- bfr = bp; offset = ofs; size = sz;
- }
-};
-
-class IndexEntries : public ArrayList<IndexEntry*> {
-public:
- IndexEntries() {}
- ~IndexEntries() { remove_all_objects(); }
-};
-
-class IndexMarks : public ArrayList<IndexMark> {
-public:
- IndexMarks() {}
- ~IndexMarks() {}
- void add_mark(int64_t no, int64_t pos) { append(IndexMark(no, pos)); }
- int find(int64_t no);
-};
-
-class IndexMarkers : public ArrayList<IndexMarks *> {
-public:
- IndexMarkers() {}
- ~IndexMarkers() { remove_all_objects(); }
-};
-
-// Assets & nested EDLs store this information to have their indexes built
-class IndexState : public Garbage
-{
-public:
- IndexState();
- ~IndexState();
-
- void reset_index();
- void reset_markers();
- void init_scan(int64_t index_length);
-
-// Supply asset to include encoding information in index file.
- void write_xml(FileXML *file);
- void read_xml(FileXML *file, int channels);
- int write_index(const char *index_path, Asset *asset, int64_t zoom, int64_t file_bytes);
- int create_index(const char *index_path, Asset *asset);
- int read_markers(char *index_dir, char *file_path);
- int read_marks(FILE *fp);
- int write_markers(const char *index_path);
- int64_t get_index_offset(int channel);
- int64_t get_index_size(int channel);
- float *get_channel_buffer(int channel);
- int64_t get_channel_used(int channel);
- void dump();
-
-// index info
- int index_status; // Macro from assets.inc
- int marker_status;
- int64_t index_zoom; // zoom factor of index data
- int64_t index_start; // byte start of index data in the index file
-// Total bytes in the source file when the index was buillt
- int64_t index_bytes;
- IndexChannels index_channels;
- IndexEntries index_entries;
- Mutex *marker_lock;
- IndexMarkers video_markers;
- IndexMarkers audio_markers;
-
- void add_audio_channel(int64_t length) {
- index_channels.append(new IndexChannel(this, length));
- }
- void add_audio_stream(int nch, int64_t length) {
- for( int ch=0; ch<nch; ++ch ) add_audio_channel(length);
- }
- void add_video_markers(int n) {
- while( --n >= 0 ) video_markers.append(new IndexMarks());
- }
- void add_audio_markers(int n) {
- while( --n >= 0 ) audio_markers.append(new IndexMarks());
- }
- void add_index_entry(float *bfr, int64_t offset, int64_t size) {
- index_entries.append(new IndexEntry(bfr, offset, size));
- }
-
- void put_data(int ch, int nch, float *data, int64_t len) {
- IndexChannel *chn = index_channels[ch];
- int64_t avl = chn->avail() * index_zoom - chn->zidx;
- if( len > avl ) len = avl;
- for( int64_t i=len; --i>=0; data+=nch )
- chn->put_sample(*data, index_zoom);
- }
- void put_data(int ch, double *data, int64_t len) {
- IndexChannel *chn = index_channels[ch];
- int64_t avl = chn->avail() * index_zoom - chn->zidx;
- if( len > avl ) len = avl;
- for( int64_t i=len; --i>=0; )
- chn->put_sample(*data++, index_zoom);
- }
- int64_t pos(int ch) { return index_channels[ch]->pos(); }
- void pad_data(int ch, int nch, int64_t pos) {
- while( --nch >= 0 ) index_channels[ch++]->pad_data(pos);
- }
-
- void put_video_mark(int vidx, int64_t frm, int64_t pos) {
- if( vidx >= video_markers.size() ) return;
- IndexMarks &marks = *video_markers[vidx];
- if( marks.size()>0 && marks.last().no >= frm ) return;
- marks.add_mark(frm, pos);
- }
- void put_audio_mark(int aidx, int64_t smpl, int64_t pos) {
- if( aidx >= audio_markers.size() ) return;
- IndexMarks &marks = *audio_markers[aidx];
- if( marks.size()>0 && marks.last().no >= smpl ) return;
- marks.add_mark(smpl, pos);
- }
-};
-
-#endif
-
projects / goodguy / history.git / blobdiff