#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
+class IndexState : public Garbage
{
public:
IndexState();
~IndexState();
- void reset();
- void copy_from(IndexState *src);
+ 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 *path,
- int data_bytes,
- Asset *asset,
- int64_t length_source);
+ 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
- int64_t index_zoom; // zoom factor of index data
- int64_t index_start; // byte start of index data in the index file
+ 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;
- int64_t index_end, old_index_end; // values for index build
-// offsets of channels in index buffer in floats
- int64_t *index_offsets;
-// Sizes of channels in index buffer in floats. This allows
-// variable channel size.
- int64_t *index_sizes;
-// [ index channel ][ index channel ]
-// [high][low][high][low][high][low][high][low]
- float *index_buffer;
-// Number of channels our buffers were allocated for
- int channels;
-};
+ 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