--- /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