一个转换其他格式音乐到ogg的脚本,需要mplayer和oggenc

hellwolf

1. 
   
2. #!/bin/bash
   
3. 
   
4. BLUE="\033[0;34m"
   
5. GREEN="\033[0;32m"
   
6. GREY="\033[1;30m"
   
7. CYAN="\033[1;36m"
   
8. PURPLE="\033[1;35m"
   
9. RED="\033[1;31m"
   
10. NO_color="\033[0m"
    
11. 
    
12. clear_output_exit(){
    
13.         [ -f "$OUTPUTFILE" ] && rm -f "$OUTPUTFILE"
    
14.         #wait for the sub process to stop
    
15.         sleep 1
    
16.         [ -f "$MAGICFILE" ] && rm -f "$MAGICFILE"
    
17.         [ -f "$SIGNALFILE" ] && rm -f "$SIGNALFILE"
    
18.         echo "Interrupted" 1>&2
    
19.         exit 1
    
20. }
    
21. 
    
22. trap clear_output_exit INT QUIT HUP
    
23. 
    
24. cecho(){
    
25.         echo -n -e $1
    
26.         shift
    
27.         echo $@
    
28.         echo -n -e $NO_COLOR
    
29. }
    
30. 
    
31. cecho $GREEN ----------Convert Music To Ogg Vorbis Format-----------
    
32. 
    
33. if [ $# = 0 ];then
    
34.         cecho $RED usage: $0 [filelist]
    
35.         exit 10
    
36. fi
    
37. 
    
38. while [ true ];do
    
39. 
    
40. INPUTFILE="$1"
    
41. OUTPUTFILE="${INPUTFILE%.*}.ogg"
    
42. 
    
43. if [ "$INPUTFILE" == "$OUTPUTFILE" ];then
    
44.         cecho $RED ERROR:your input file is already ogg-post-prefix
    
45.         exit 1
    
46. fi
    
47. 
    
48. echo INPUTFILE :$INPUTFILE
    
49. echo OUTPUTFILE:$OUTPUTFILE
    
50. 
    
51. cecho $PURPLE convert to tmp wave file...
    
52. echo -e $GREY
    
53. MAGICFILE=$INPUTFILE.magic
    
54. SIGNALFILE=$INPUTFILE.signal
    
55. mplayer -ao pcm:file=>(oggenc - -o "$OUTPUTFILE" &>/dev/null; [ $? == 0 ] && touch "$MAGICFILE";touch "$SIGNALFILE") "$INPUTFILE"
    
56. echo -e $NO_COLOR
    
57. 
    
58. while [ ! -f "$SIGNALFILE" ];do usleep $(( 100*1000 ));done
    
59. rm -f "$SIGNALFILE"
    
60. 
    
61. if [ -f "$MAGICFILE" ];then
    
62.         rm -f "$MAGICFILE"
    
63.         cecho $PURPLE 'success!deleting unused file and old music...'
    
64.         rm -f "$INPUTFILE"
    
65. else
    
66.         cecho $RED error detected when encoding tmp wave file
    
67.         rm -f "$OUTPUTFILE"
    
68. fi
    
69. 
    
70. shift
    
71. if [ x"$1" == x ];then
    
72.         cecho $GREEN done.
    
73.         exit 0
    
74. fi
    
75. 
    
76. done
    

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