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Fix parsing of COMT chunk.

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This commit is contained in:
Erik de Castro Lopo 2004-11-12 13:11:38 +00:00
parent 4160a870d9
commit da9d528c1d
1 changed files with 24 additions and 11 deletions
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27
src/aiff.c
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@ -150,7 +150,6 @@ enum
enum
{ basc_TYPE_LOOP = 0,
basc_TYPE_ONE_SHOT,
} ;
@ -502,20 +501,32 @@ aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt)
break ;
case COMT_MARKER :
psf_binheader_readf (psf, "E4", &dword) ;
{ unsigned short count, id, len ;
unsigned int timestamp ;
psf_binheader_readf (psf, "E42", &dword, &count) ;
psf_log_printf (psf, " %M : %d\n count : %d\n", marker, dword, count) ;
dword += (dword & 1) ;
if (dword == 0)
break ;
if (dword > SIGNED_SIZEOF (psf->u.scbuf))
{ psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ;
for (k = 0 ; k < count ; k++)
{ psf_binheader_readf (psf, "E422", &timestamp, &id, &len) ;
psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ;
if (len + 1 > SIGNED_SIZEOF (psf->u.scbuf))
{ psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ;
return SFE_INTERNAL ;
} ;
cptr = psf->u.scbuf ;
psf_binheader_readf (psf, "b", cptr, dword) ;
cptr [dword - 1] = 0 ;
psf_log_printf (psf, " %M : %s\n", marker, cptr) ;
psf_binheader_readf (psf, "b", cptr, len) ;
cptr [len] = 0 ;
psf_log_printf (psf, " string : %s\n", cptr) ;
psf_store_string (psf, SF_STR_COMMENT, cptr) ;
} ;
} ;
break ;
case APPL_MARKER :
@ -727,6 +738,8 @@ static int
aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt)
{ int error = 0, bytesread, subformat ;
psf->u.scbuf [0] = 0 ;
bytesread = psf_binheader_readf (psf, "E4", &(comm_fmt->size)) ;
/* The COMM chunk has an int aligned to an odd word boundary. Some