initial check in of TAG info c source and shell wrapper

diff --git a/INSTALL b/INSTALL
index 76861c2..a430f17 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -7,6 +7,8 @@ include main.shtml in your existing webpage.
 it needs physical contact to the mp3 data.
 exchange all entries in main.shtml reading index.shtml 
 to the file sourcing this main.shtml file.
 it needs physical contact to the mp3 data.
 exchange all entries in main.shtml reading index.shtml 
 to the file sourcing this main.shtml file.

+build mp3read executing a simple "make".
+copy readtag.sh and mp3read in your $PATH location.

 
 2)
 
 
 2)
 


@@ -20,7 +22,7 @@ adjust the examples !! important, defaults won't work !!
 
 4)
 
 
 4)
 

-make your mp3 data is mp3db compatible.
+make sure your mp3 data is mp3db compatible.

 that means, no special character and small letters.
 you may test ./make_mp3dbcompat script to do so.
 this will definetly fuck your system, i mean it :)
 that means, no special character and small letters.
 you may test ./make_mp3dbcompat script to do so.
 this will definetly fuck your system, i mean it :)

diff --git a/Makefile b/Makefile
new file mode 100644 (file)
index 0000000..1cc1c80
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,13 @@
+# Makefile of mp3read.c
+
+INCLUDEDIR = /usr/include
+
+CFLAGS = -O3 -Wall
+LIBS =
+
+OBJS = mp3read
+
+all: mp3read
+
+clean:
+       rm $(OBJS)

diff --git a/mp3read.c b/mp3read.c
index 0236f31..b8c527f 100644 (file)
--- a/mp3read.c
+++ b/mp3read.c
@@ -1,6 +1,7 @@
-/* read mp3 info, hackbard */
+/* read mp3 header & tag, author: hackbard */

 
 #include <stdio.h>
 
 #include <stdio.h>

+#include <stdlib.h>

 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>


@@ -8,9 +9,17 @@
 #include <string.h>
 #include <errno.h>
 
 #include <string.h>
 #include <errno.h>
 

-#define MAX_READ 1024
+#define ID_TAG_SIZE 128
+#define MAX_BUF_SIZE 32
+#define MAX_TITLE 30
+#define MAX_ARTIST 30
+#define MAX_ALBUM 30
+#define MAX_YEAR 4
+#define MAX_COMMENT 30
+#define MAX_GENRE 1
+

 #define MAX_FILENAME 32
 #define MAX_FILENAME 32

-#define MAX_VER_ID 64
+

 
 /*
 info:
 
 /*
 info:


@@ -19,51 +28,54 @@ http://www.dv.co.yu/mpgscript/mpeghdr.htm
 
 int main (int argc,char **argv)
 {
 
 int main (int argc,char **argv)
 {

- int file_fd,exit,count;
- unsigned char buf;
- unsigned char header[3];
- char mpeg_ver_id[MAX_VER_ID];
+ int file_fd;
+ int file_size;
+ unsigned char buf[MAX_BUF_SIZE];

  char filename[MAX_FILENAME];
 
  strcpy(filename,argv[1]);
  char filename[MAX_FILENAME];
 
  strcpy(filename,argv[1]);

+ file_size=atoi(argv[2]);

 
  if((file_fd=open(filename,O_RDONLY))<=0) {
   puts("open failed");
   return -23;
  }
 
 
  if((file_fd=open(filename,O_RDONLY))<=0) {
   puts("open failed");
   return -23;
  }
 

- count=0;
- exit=0;
- while(!exit) {
-  printf("count=%d\n",count++);
-  read(file_fd,&buf,1);
-  if(buf==0xff) {
-   read(file_fd,&buf,1);
-   if(buf>=0xe0) {
-    puts("got frame header:");
-    exit=1;
-    header[0]=buf;
-    read(file_fd,header+1,2);
-
-    printf("debug: %x%x%x \n",header[0],header[1],header[2]);
-  
-    if(((header[0]&0x18)>>3)==0x00) strcpy(mpeg_ver_id,"MPEG Version 2.5");
-    else if(((header[0]&0x18)>>3)==0x10) strcpy(mpeg_ver_id,"MPEG Version 2 (ISO/IEC 13818-3)");
-    else if(((header[0]&0x18)>>3)==0x11) strcpy(mpeg_ver_id,"MPEG Version 1 (ISO/IEC 11172-3)");
-    else strcpy(mpeg_ver_id,"unknown");
-
-    printf("version: %s\n",mpeg_ver_id);
-   }
-  }
+ if((lseek(file_fd,file_size-ID_TAG_SIZE,SEEK_SET))<0) {
+  puts("cannot seek to id tag");
+  return -23;
+ }
+
+ /* verify TAG now */
+ if((read(file_fd,&buf,3))<3) {
+  puts("read failed (1)");
+  return -23;

  }
 
  }
 

+ if(strncmp(buf,"TAG",3)) {
+  puts("TAG not found");
+  return -23;
+ }
+
+ read(file_fd,&buf,MAX_TITLE);
+ printf("title: %s\n",buf);
+
+ read(file_fd,&buf,MAX_ARTIST);
+ printf("artist: %s\n",buf);
+
+ read(file_fd,&buf,MAX_ALBUM);
+ printf("album: %s\n",buf);
+
+ read(file_fd,&buf,MAX_YEAR);
+ printf("year: %s\n",buf);
+
+ read(file_fd,&buf,MAX_COMMENT);
+ printf("comment: %s\n",buf);
+
+ read(file_fd,&buf,MAX_GENRE);
+ printf("genre: %c\n",*buf);
+

  close(file_fd);
  
  close(file_fd);
  

- puts("");
- puts("done");
- 

  return 23;
 }
  return 23;
 }

-
-
-

diff --git a/readtag.sh b/readtag.sh
new file mode 100755 (executable)
index 0000000..972ae5d
--- /dev/null
+++ b/readtag.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# read the tag using mp3read
+
+size=`ls -al $1 | awk '{ printf $5 }'`
+
+./mp3read $1 $size
+