btparser/cparser/tests/exp_lex/MP4Template.bt

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11: BigEndian ( ) ; 
12: 
13: local int64 pos ; 
14: local int64 pos2 ; 
15: 
16: typedef union { 
17: 
18: char text [ 4 ] ; 
19: } _typ ; 
20: 
21: string typeFullName ( _typ & type ) { 
22: if ( Memcmp ( type . text , "ftyp" , 4 ) == 0 ) return "File type compatibility box" ; 
23: if ( Memcmp ( type . text , "mvhd" , 4 ) == 0 ) return "Movie header box" ; 
24: if ( Memcmp ( type . text , "iods" , 4 ) == 0 ) return "Initial object descriptor box" ; 
25: if ( Memcmp ( type . text , "trak" , 4 ) == 0 ) return "Track box" ; 
26: if ( Memcmp ( type . text , "udta" , 4 ) == 0 ) return "Uset data box" ; 
27: if ( Memcmp ( type . text , "mdat" , 4 ) == 0 ) return "Movie (sample) data box" ; 
28: if ( Memcmp ( type . text , "moov" , 4 ) == 0 ) return "Moovie box" ; 
29: if ( Memcmp ( type . text , "tkhd" , 4 ) == 0 ) return "Track header box" ; 
30: if ( Memcmp ( type . text , "mdia" , 4 ) == 0 ) return "Media box" ; 
31: if ( Memcmp ( type . text , "edts" , 4 ) == 0 ) return "Edit box" ; 
32: if ( Memcmp ( type . text , "elst" , 4 ) == 0 ) return "Edit list" ; 
33: return "I don't know the full name" ; 
34: } 
35: 
36: string typeString ( _typ & type ) { 
37: return "Type of the box: \"" + type . text + "\"" ; 
38: } 
39: 
40: 
41: 
42: while ( FTell ( ) < FileSize ( ) - 1 ) { 
43: struct _box { 
44: uint size < hidden = true > ; 
45: _typ type < bgcolor = cLtRed , fgcolor = cWhite , name = "Box Type" , open = false , 
46: name = typeString > ; 
47: if ( Memcmp ( type . text , "ftyp" , 4 ) == 0 ) { 
48: char major_brand [ 4 ] < bgcolor = cDkGreen , fgcolor = cWhite , name = "Major brand" > ; 
49: char minor_ver [ 4 ] < bgcolor = cDkBlue , fgcolor = cWhite , name = "Minor version" > ; 
50: uint comp_brands [ ( size - sizeof ( size ) - sizeof ( type ) - sizeof ( major_brand ) - 
51: sizeof ( minor_ver ) ) / 4 ] < name = "Compatible brands" , 
52: comment = brandName , open = true > ; 
53: } else if ( Memcmp ( type . text , "moov" , 4 ) == 0 ) { 
54: pos = FTell ( ) ; 
55: while ( FTell ( ) < pos + size - sizeof ( size ) - sizeof ( type ) ) 
56: struct _box2 { 
57: uint size < hidden = true > ; 
58: _typ type < bgcolor = cLtRed , fgcolor = cWhite , name = "Box Type" , open = false , 
59: name = typeString > ; 
60: if ( Memcmp ( type . text , "mvhd" , 4 ) == 0 ) { 
61: char version < hidden = true > ; 
62: char flags [ 3 ] < hidden = true > ; 
63: uint crTime < bgcolor = cLtGreen , fgcolor = cBlack , name = "Creation Time" , open = false > ; 
64: uint mdTime < bgcolor = cPurple , fgcolor = cWhite , name = "Modification Time" , open = false > ; 
65: uint tmScale < name = "Time scale" , comment = "Number of units per 1 second" > ; 
66: uint duration < name = "Duration" , comment = "In units defined in the previous field" > ; 
67: char rest [ size - sizeof ( size ) - sizeof ( type ) - sizeof ( version ) - 
68: sizeof ( flags ) - sizeof ( crTime ) - sizeof ( mdTime ) - 
69: sizeof ( tmScale ) - sizeof ( duration ) ] ; 
70: } else if ( Memcmp ( type . text , "trak" , 4 ) == 0 ) { 
71: pos2 = FTell ( ) ; 
72: while ( FTell ( ) < pos2 + size - sizeof ( size ) - sizeof ( type ) ) 
73: struct _box3 { 
74: uint size < hidden = true > ; 
75: _typ type < bgcolor = cLtRed , fgcolor = cWhite , name = "Box Type" , open = false , 
76: name = typeString > ; 
77: if ( Memcmp ( type . text , "tkhd" , 4 ) == 0 ) { 
78: char version < hidden = true > ; 
79: char flags [ 3 ] < hidden = true > ; 
80: uint crTime < bgcolor = cLtGreen , fgcolor = cBlack , name = "Creation Time" , open = false > ; 
81: uint mdTime < bgcolor = cPurple , fgcolor = cWhite , name = "Modification Time" , open = false > ; 
82: uint trkID < name = "Track ID" , open = false > ; 
83: uint reserv < hidden = true , name = "Reserved" > ; 
84: uint duration < name = "Duration" , open = false > ; 
85: char rest [ size - sizeof ( size ) - sizeof ( type ) - sizeof ( version ) - 
86: sizeof ( flags ) - sizeof ( crTime ) - sizeof ( mdTime ) - 
87: sizeof ( trkID ) - sizeof ( reserv ) - sizeof ( duration ) ] ; 
88: } else if ( Memcmp ( type . text , "edts" , 4 ) == 0 ) { 
89: struct _box4 { 
90: uint size < hidden = true > ; 
91: _typ type < bgcolor = cLtRed , fgcolor = cWhite , name = "Box Type" , open = false , 
92: name = typeString > ; 
93: char version < hidden = true > ; 
94: char flags [ 3 ] < hidden = true > ; 
95: uint entrs < name = "Number of entries" > ; 
96: struct { 
97: uint trDuration < name = "Track duration" > ; 
98: uint mediaTime < name = "Media time" > ; 
99: uint mediaRate < name = "Media rate" > ; 
100: } entry [ entrs ] < open = true > ; 
101: } box < optimize = false , open = true , comment = boxName4 > ; 
102: } else 
103: char rest [ size - sizeof ( size ) - sizeof ( type ) ] ; 
104: } box < optimize = false , open = true , comment = boxName3 > ; 
105: } else 
106: char rest [ size - sizeof ( size ) - sizeof ( type ) ] ; 
107: } box < optimize = false , open = true , comment = boxName2 > ; 
108: } else 
109: char rest [ size - sizeof ( size ) - sizeof ( type ) ] ; 
110: } box < optimize = false , open = true , comment = boxName > ; 
111: } 
112: 
113: string boxName ( _box & box ) { 
114: return box . type . text + " (" + typeFullName ( box . type ) + ")" ; ; 
115: } 
116: 
117: string boxName2 ( _box2 & box ) { 
118: return box . type . text + " (" + typeFullName ( box . type ) + ")" ; 
119: } 
120: 
121: string boxName3 ( _box3 & box ) { 
122: return box . type . text + " (" + typeFullName ( box . type ) + ")" ; 
123: } 
124: 
125: string boxName4 ( _box4 & box ) { 
126: return box . type . text + " (" + typeFullName ( box . type ) + ")" ; 
127: } 
128: 
129: string brandName ( uint brand ) { 
130: local char text [ 4 ] ; 
131: local int i ; 
132: 
133: for ( i = 0 ; i < 4 ; ++ i ) 
134: text [ i ] = brand >> 8 * ( 3 - i ) & 0xFF ; 
135: return text ; 
136: } 
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164: tok_eof