comparison toolboxes/bioakustik_tools/filesys/find_time_and_rename.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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-1:000000000000 0:e9a9cd732c1e
1 %sucht die datei (1) "coelebs_aufn1_ch1"unter sourcedir bei datei (2)
2 % coelebs_aufn1_ch1_01 im segmentsdir.
3 % daraufhin wird die genaue stelle des vorkommens von (2) in (1) gesucht,
4 % und in sekunden an den dateinamen angehängt;
5
6 clear
7 global globalvars;
8 addpath('..\vogelst\k-band250905')
9 sourcedir='F:\Aufnahmen\2006-Juni-3-Remscheid-Daniel';
10 %sourcedir='F:\Ample';
11 %sourcedir='M:\PrograMathe\matlab\work\hiwi\vogelst\testmaterial\online2';
12
13 segmentsdir='F:\viele_einzelne_strophen\fringila_coelebs_buchfink\typ1';
14
15 %segmentsdir='F:\viele_einzelne_strophen\fringila_coelebs_buchfink\tst';
16 %segmentsdir='M:\PrograMathe\matlab\work\hiwi\vogelst\testmaterial\online';
17
18
19
20 %---------------------------------------------z-------------zugehörige dateien suchen
21 allpaths=genpath(sourcedir);
22 data_names=dir(strcat(segmentsdir,'\*.wav'));
23 psourcedirs = explode(';',allpaths);
24 for i = 1:length(data_names)
25 ldata_names{i} = data_names(i).name;
26 end
27
28 names_done = [];
29 relsource_files = {};
30 for i = 1:length(psourcedirs)
31 actdir = dir(strcat(psourcedirs{i},'\*.wav'));
32 ldata_names = ldata_names(setdiff(1:length(ldata_names),names_done));
33 for j = 1:length(ldata_names)
34 for k = 1:length(actdir)
35 if(strncmp(actdir(k).name,ldata_names{j},length(ldata_names{j})-7))
36 names_done = [names_done j];
37 relsource_files= cat(1,relsource_files,{[strcat(psourcedirs{i},'\',actdir(k).name)] [strcat(segmentsdir,'\',ldata_names{j})]});
38 end
39 end
40 end
41 end
42
43
44
45 oldsource='';
46 oldsamplesource=0;
47 k=1;
48 position=zeros(size(relsource_files,1),2);
49
50 i=1;
51 while i <= size(relsource_files,1)
52 aktsource =char(relsource_files(i,1));
53 aktsamplesource=i;
54 %--------------------------------------------------features generieren und overhead
55
56 if ~strcmp(aktsource,oldsource) || (aktsamplesource~=oldsamplesource) %neue quelldatei
57 aktmajstart=1;
58 siz=WAVREAD(aktsource,'size');
59 siz=siz(1,1);
60 aktmajpointer = min(siz,globalvars.maxaudiodatalen);
61 [aktdata,sr,nbits]=wavread(aktsource,[aktmajstart aktmajpointer]);
62 oldsource=aktsource;
63 if length(aktdata(1,:)) > 1
64 aktdata = aktdata(:,1);
65 end
66 windowsz=floor(sr/5);
67 fprintf('generating features for fast search \n');
68 aktfeat =resample(abs(specgram(aktdata,windowsz,sr,windowsz,floor(windowsz/2))),1,40);
69 elseif (aktmajpointer < siz) && (aktsamplesource==oldsamplesource) %alte quelldatei zu lang
70 aktmajstart=aktmajstart+floor(globalvars.maxaudiodatalen/2);
71 aktmajpointer=min(aktmajpointer+floor(globalvars.maxaudiodatalen/2),siz);
72 if (aktmajstart-aktmajpointer) < windowsz
73 aktmajstart=max(aktmajstart-windowsz,1);
74 end
75 [aktdata,sr,nbits]=wavread(aktsource,[aktmajstart aktmajpointer]);
76 if length(aktdata(1,:)) > 1
77 aktdata = aktdata(:,1);
78 end
79 fprintf('generating features for fast search \n');
80 aktfeat =resample(abs(specgram(aktdata,windowsz,sr,windowsz,floor(windowsz/2))),1,40);
81 end
82
83
84 if (aktsamplesource~=oldsamplesource)%neue suchdatei
85 [aktsample,sr,nbits]=wavread(char(relsource_files(i,2)));
86 oldsamplesource=aktsamplesource;
87 if length(aktsample(1,:)) > 1
88 aktsample = aktsample(:,1);
89 end
90
91 if(length(aktsample)>=windowsz)
92 aktsamplefeat =resample(abs(specgram(aktsample(1:windowsz),windowsz,sr,windowsz,floor(windowsz/2))),1,40);
93 for j=1:size(aktfeat,2)
94 di(j)=dist(aktfeat(:,j),aktsamplefeat(:,1));
95 end
96 bdi = di>mean(di);
97 else
98 fprintf('fast search not possible \n');
99 bdi=ones(1,size(aktfeat,2))
100 end
101 fprintf(strcat('searching for \n', escape(aktsource ),' in \n' ,escape(char(relsource_files(i,2))),'\n' ));
102 end
103
104
105 %---------------------- bestandteil lokalisieren (k mismatches), ausreichende minmatches
106 minmatches=length(aktsample);
107 found=0;
108 aktpointer=1;
109 aktstart=1;
110 len = length(aktdata);
111 len2=length(aktsample);
112 while ((aktstart+len2)<=len) &&~found
113 mismatches=0;
114 aktstart=aktstart+1;
115 aktpointer=aktstart;
116 while (aktpointer <= len)&&(mismatches <k)&&((aktpointer-(aktstart)+1)<=len2)
117 if(aktdata(aktpointer) ~= aktsample(aktpointer-(aktstart)+1))
118 mismatches = mismatches+1;
119 if(~bdi(floor(aktpointer/(windowsz/2))+1))
120 aktpointer=aktpointer+(windowsz/2);
121 end
122 end
123 aktpointer=aktpointer+1;
124 if (aktpointer-aktstart) >= minmatches
125 fprintf('found');
126 position(i,:)=[floor((aktmajstart-1+aktstart)/sr) floor((aktmajstart-1+aktpointer)/sr)]
127 found=1;
128 break
129 end
130 end
131 end
132 if(position(i,2)~=0)
133
134 %---------------------------------------------zugehörige infos in dateien schreiben
135 newfilename= strcat(substr(char(relsource_files(i,2)),0,length(relsource_files(i,2))-5),'__',...
136 s_to_hhmmss(position(i,1)),'-',s_to_hhmmss(position(i,2)),'.wav');
137 movefile(char(relsource_files(i,2)),newfilename);
138
139 filetoopen=strcat(newfilename,'.txt');
140 ftoex=dir(filetoopen);
141 if(length(ftoex)==0)
142 FID = fopen(filetoopen,'w');
143 fprintf(FID,'%s','annotations for ');
144 fprintf(FID,'%s',newfilename);
145 fprintf(FID,'\n');
146 fprintf(FID,'%s','sourcefile available at');
147 fprintf(FID,'\n');
148 fprintf(FID,'%s',char(relsource_files(i,1)));
149 fprintf(FID,'\n');
150 fprintf(FID,'%s','time of occurrence in hhmmss format:');
151 fprintf(FID,'\n');
152 fprintf(FID,'%s',s_to_hhmmss(position(i,1)));
153 fprintf(FID,'%s','-');
154 fprintf(FID,'%s',s_to_hhmmss(position(i,2)));
155 fprintf(FID,'\n');
156 fprintf(FID,'%s','in seconds:');
157 fprintf(FID,'\n');
158 fprintf(FID,'%s',sprintf('%d',position(i,1)));
159 fprintf(FID,'\n');
160 fprintf(FID,'%s',sprintf('%d',position(i,2)));
161 fprintf(FID,'\n');
162 fprintf(FID,'%s','comments:');
163
164 fclose(FID);
165 end
166
167 i=i+1;
168 elseif(aktmajpointer==siz)
169 i=i+1;
170 end
171 end
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