--- /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
+ *
+ */
+
+
+#include "arraylist.h"
+#include "asset.h"
+#include "clip.h"
+#include "filexml.h"
+#include "indexfile.h"
+#include "indexstate.h"
+#include "language.h"
+#include "mainerror.h"
+#include "mutex.h"
+
+#include <stdio.h>
+#include <string.h>
+
+int IndexMarks::find(int64_t no)
+{
+ int l = -1, r = size();
+ while( (r - l) > 1 ) {
+ int i = (l+r) >> 1;
+ if( no > values[i].no ) l = i; else r = i;
+ }
+ return l;
+}
+
+IndexChannel::IndexChannel(IndexState *state, int64_t length)
+{
+ this->state = state;
+ this->length = length;
+ min = max = 0;
+ bfr = inp = 0;
+ size = 0;
+ zidx = 0;
+}
+
+IndexChannel::~IndexChannel()
+{
+ delete [] bfr;
+}
+
+void IndexChannel::put_entry()
+{
+ inp->min = min;
+ inp->max = max;
+ ++inp;
+ max = -1; min = 1;
+ zidx = 0;
+}
+
+int64_t IndexChannel::pos()
+{
+ return used() * state->index_zoom + zidx;
+}
+
+void IndexChannel::pad_data(int64_t pos)
+{
+ CLAMP(pos, 0, length);
+ while( this->pos() < pos ) put_entry();
+ inp = bfr + pos / state->index_zoom;
+ zidx = pos % state->index_zoom;
+}
+
+void IndexState::reset_index()
+{
+ index_status = INDEX_NOTTESTED;
+ index_start = 0;
+ index_zoom = 0;
+ index_bytes = 0;
+ index_entries.remove_all_objects();
+ index_channels.remove_all_objects();
+}
+
+void IndexState::reset_markers()
+{
+ marker_status = MARKERS_NOTTESTED;
+ video_markers.remove_all_objects();
+ audio_markers.remove_all_objects();
+}
+
+IndexState::IndexState()
+ : Garbage("IndexState")
+{
+ marker_lock = new Mutex("IndexState::marker_lock");
+ reset_index();
+ reset_markers();
+}
+
+IndexState::~IndexState()
+{
+ reset_index();
+ reset_markers();
+ delete marker_lock;
+}
+
+void IndexState::init_scan(int64_t index_length)
+{
+ index_zoom = 1;
+ int channels = index_channels.size();
+ if( !channels ) return;
+ int64_t max_samples = 0;
+ for( int ch=0; ch<channels; ++ch ) {
+ int64_t len = index_channels[ch]->length;
+ if( max_samples < len ) max_samples = len;
+ }
+ int64_t items = index_length / sizeof(IndexItem);
+ int64_t count = (items - channels) / channels + 1;
+ while( count*index_zoom < max_samples ) index_zoom *= 2;
+ for( int ch=0; ch<channels; ++ch ) {
+ IndexChannel *chn = index_channels[ch];
+ int64_t len = chn->length / index_zoom + 1;
+ chn->alloc(len);
+ chn->put_entry();
+ }
+ reset_markers();
+}
+
+void IndexState::dump()
+{
+ printf("IndexState::dump this=%p\n", this);
+ printf(" index_status=%d index_zoom=%jd index_bytes=%jd\n",
+ index_status, index_zoom, index_bytes);
+ printf(" index entries=%d\n", index_entries.size());
+ for( int i=0; i<index_entries.size(); ++i )
+ printf(" %d. ofs=%jd, sz=%jd\n", i,
+ index_entries[i]->offset, index_entries[i]->size);
+ printf("\n");
+}
+
+void IndexState::write_xml(FileXML *file)
+{
+ file->tag.set_title("INDEX");
+ file->tag.set_property("ZOOM", index_zoom);
+ file->tag.set_property("BYTES", index_bytes);
+ file->append_tag();
+ file->append_newline();
+
+ for( int i=0; i<index_entries.size(); ++i ) {
+ file->tag.set_title("OFFSET");
+ file->tag.set_property("FLOAT", index_entries[i]->offset);
+ file->append_tag();
+ file->tag.set_title("SIZE");
+ file->tag.set_property("FLOAT", index_entries[i]->size);
+ file->append_tag();
+ }
+
+ file->append_newline();
+ file->tag.set_title("/INDEX");
+ file->append_tag();
+ file->append_newline();
+}
+
+void IndexState::read_xml(FileXML *file, int channels)
+{
+ index_entries.remove_all_objects();
+ for( int i=0; i<channels; ++i ) add_index_entry(0, 0, 0);
+
+ int current_offset = 0;
+ int current_size = 0;
+ int result = 0;
+
+ index_zoom = file->tag.get_property("ZOOM", 1);
+ index_bytes = file->tag.get_property("BYTES", (int64_t)0);
+
+ while(!result) {
+ result = file->read_tag();
+ if(!result) {
+ if(file->tag.title_is("/INDEX")) {
+ result = 1;
+ }
+ else if(file->tag.title_is("OFFSET")) {
+ if(current_offset < channels) {
+ int64_t offset = file->tag.get_property("FLOAT", (int64_t)0);
+ index_entries[current_offset++]->offset = offset;
+//printf("Asset::read_index %d %d\n", current_offset - 1, index_offsets[current_offset - 1]);
+ }
+ }
+ else if(file->tag.title_is("SIZE")) {
+ if(current_size < channels) {
+ int64_t size = file->tag.get_property("FLOAT", (int64_t)0);
+ index_entries[current_size++]->size = size;
+ }
+ }
+ }
+ }
+}
+
+int IndexState::write_index(const char *index_path, Asset *asset, int64_t zoom, int64_t file_bytes)
+{
+ FILE *fp = fopen(index_path, "wb");
+ if( !fp ) {
+ eprintf(_("IndexState::write_index Couldn't write index file %s to disk.\n"),
+ index_path);
+ return 1;
+ }
+ index_zoom = zoom;
+ index_bytes = file_bytes;
+ index_status = INDEX_READY;
+
+ FileXML xml;
+// write index_state as asset or directly.
+ if( asset )
+ asset->write(&xml, 1, "");
+ else
+ write_xml(&xml);
+ int64_t len = xml.length() + FileXML::xml_header_size;
+ index_start = sizeof(index_start) + len;
+ fwrite(&index_start, sizeof(index_start), 1, fp);
+ xml.write_to_file(fp);
+
+ int channels = index_entries.size();
+ int64_t max_size = 0;
+ for( int ch=0; ch<channels; ++ch ) {
+ IndexEntry *ent = index_entries[ch];
+ float *bfr = ent->bfr;
+ int64_t size = ent->size;
+ if( max_size < size ) max_size = size;
+ fwrite(bfr, sizeof(float), size, fp);
+ }
+
+ fclose(fp);
+ reset_index();
+ return 0;
+}
+
+int IndexState::write_markers(const char *index_path)
+{
+ int vid_size = video_markers.size();
+ int aud_size = audio_markers.size();
+ if( !vid_size && !aud_size ) return 0;
+
+ FILE *fp = 0;
+ char marker_path[BCTEXTLEN];
+ strcpy(marker_path, index_path);
+ char *basename = strrchr(marker_path,'/');
+ if( !basename ) basename = marker_path;
+ char *ext = strrchr(basename, '.');
+ if( ext ) {
+ strcpy(ext, ".mkr");
+ fp = fopen(marker_path, "wb");
+ }
+
+ char version[] = MARKER_MAGIC_VERSION;
+ if( !fp || !fwrite(version, strlen(version), 1, fp) ) {
+ eprintf(_("IndexState::write_markers Couldn't write marker file %s to disk.\n"),
+ marker_path);
+ return 1;
+ }
+
+ fwrite(&vid_size, sizeof(vid_size), 1, fp);
+ for( int vidx=0; vidx<vid_size; ++vidx ) {
+ IndexMarks &marks = *video_markers[vidx];
+ int count = marks.size();
+ fwrite(&count, sizeof(count), 1, fp);
+ fwrite(&marks[0], sizeof(marks[0]), count, fp);
+ }
+
+ fwrite(&aud_size, sizeof(aud_size), 1, fp);
+ for( int aidx=0; aidx<aud_size; ++aidx ) {
+ IndexMarks &marks = *audio_markers[aidx];
+ int count = marks.size();
+ fwrite(&count, sizeof(count), 1, fp);
+ fwrite(&marks[0], sizeof(marks[0]), marks.size(), fp);
+ }
+
+ fclose(fp);
+ return 0;
+}
+
+int IndexState::read_markers(char *index_dir, char *file_path)
+{
+ int ret = 0;
+ marker_lock->lock("IndexState::read_markers");
+ if( marker_status == MARKERS_NOTTESTED ) {
+ char src_path[BCTEXTLEN], marker_path[BCTEXTLEN];
+ IndexFile::get_index_filename(src_path, index_dir, marker_path, file_path, ".mkr");
+ FILE *fp = fopen(marker_path, "rb");
+ int vsz = strlen(MARKER_MAGIC_VERSION);
+ char version[vsz];
+ if( fp && fread(version, vsz, 1, fp) ) {
+ if( memcmp(version, MARKER_MAGIC_VERSION, vsz) ) {
+ eprintf(_("IndexState::read_markers marker file version mismatched\n: %s\n"),
+ marker_path);
+ return 1;
+ }
+ ret = read_marks(fp);
+ if( !ret ) marker_status = MARKERS_READY;
+ fclose(fp);
+ }
+ }
+ marker_lock->unlock();
+ return ret;
+}
+
+int IndexState::read_marks(FILE *fp)
+{
+ reset_markers();
+ int vid_size = 0;
+ if( !fread(&vid_size, sizeof(vid_size), 1, fp) ) return 1;
+ add_video_markers(vid_size);
+ for( int vidx=0; vidx<vid_size; ++vidx ) {
+ int count = 0;
+ if( !fread(&count, sizeof(count), 1, fp) ) return 1;
+ IndexMarks &marks = *video_markers[vidx];
+ marks.allocate(count);
+ int len = fread(&marks[0], sizeof(marks[0]), count, fp);
+ if( len != count ) return 1;
+ marks.total = count;
+ }
+ int aud_size = 0;
+ if( !fread(&aud_size, sizeof(aud_size), 1, fp) ) return 1;
+ add_audio_markers(aud_size);
+ for( int aidx=0; aidx<aud_size; ++aidx ) {
+ int count = 0;
+ if( !fread(&count, sizeof(count), 1, fp) ) return 1;
+ IndexMarks &marks = *audio_markers[aidx];
+ marks.allocate(count);
+ int len = fread(&marks[0], sizeof(marks[0]), count, fp);
+ if( len != count ) return 1;
+ marks.total = count;
+ }
+ return 0;
+}
+
+int IndexState::create_index(const char *index_path, Asset *asset)
+{
+ index_entries.remove_all_objects();
+ int channels = index_channels.size();
+ int64_t offset = 0;
+ for( int ch=0; ch<channels; ++ch ) {
+ IndexChannel *chn = index_channels[ch];
+ float *bfr = (float *)chn->bfr;
+ int64_t size = 2 * chn->used();
+ add_index_entry(bfr, offset, size);
+ offset += size;
+ }
+
+ write_markers(index_path);
+ return write_index(index_path, asset, index_zoom, index_bytes);
+}
+
+int64_t IndexState::get_index_offset(int channel)
+{
+ return channel >= index_entries.size() ? 0 :
+ index_entries[channel]->offset;
+}
+
+int64_t IndexState::get_index_size(int channel)
+{
+ return channel >= index_entries.size() ? 0 :
+ index_entries[channel]->size;
+}
+
+float *IndexState::get_channel_buffer(int channel)
+{
+ return channel >= index_channels.size() ? 0 :
+ (float *)index_channels[channel]->bfr;
+}
+
+int64_t IndexState::get_channel_used(int channel)
+{
+ return channel >= index_channels.size() ? 0 :
+ index_channels[channel]->used();
+}
+
projects / goodguy / history.git / blobdiff