Vorbis dev - Sep 2001 - Problems trying to run the examples in windows vorbis sdk

I have just downloaded the vorbis sdk for windows, for researching purposes.

I have compiled the example 'encoder_example.c' just to start, and it
compiles, but I got a error in the following line just at the beginning: 
vorbis_encode_init(&vi,2,44100, -1, 128000, -1);
The error is more or less: The instruction at '0xaddresss' referenced
memory
at '0xaddress'. The memory could not be "read".
Something about bad pointed pointers, I think.
So I haven't been able to start testing yet. I have tried with static link
library and dynamic but nothing to do. Besides, with the static link I got
the following linker errors:
MSVCRT.lib(MSVCRT.dll) : error LNK2005: _realloc already defined in
LIBCMTD.lib(dbgheap.obj)
MSVCRT.lib(MSVCRT.dll) : error LNK2005: _free already defined in
LIBCMTD.lib(dbgheap.obj)
MSVCRT.lib(MSVCRT.dll) : error LNK2005: _calloc already defined in
LIBCMTD.lib(dbgheap.obj)
etc...

Then I have downloaded the source and I got the same problem, but now I know
in which exact line the error is.
Inside the vorbisenc.c, we have the following function:
static void codec_setup_partialcopy(codec_setup_info *ci,
codec_setup_info *cs){
int i;
memcpy(ci,cs,sizeof(codec_setup_info)); /* to get the flat numbers */
/* codebooks */
for(i=0;i<ci->books;i++){
ci->book_param[i]=cs->book_param[i];
}
/* time backend settings */
for(i=0;i<ci->times;i++){
ci->time_param[i]=_time_P[ci->time_type[i]]-> // <---The error is in
this
line
copy_info(cs->time_param[i]);
}
...

Finally, just to say that decoder_example.c compiles and works, so it seems
that the problem is just encoding.
I am using VC++ 6.0 under Windows 2000.
If anyone knows how I can fix this problem, please, let me know.
Thank you very much

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On 9/4/2001 at 6:00 PM Pablos-Sanchez, Rolando wrote:
>I have just downloaded the vorbis sdk for windows, for researching
>purposes.
>
>I have compiled the example 'encoder_example.c' just to start, and
it
>compiles, but I got a error in the following line just at the beginning: 
>vorbis_encode_init(&vi,2,44100, -1, 128000, -1);
>The error is more or less: The instruction at '0xaddresss'
referenced
>memory
>at '0xaddress'. The memory could not be "read".
>Something about bad pointed pointers, I think.
>So I haven't been able to start testing yet. I have tried with static
link
>library and dynamic but nothing to do. 
>
>Then I have downloaded the source and I got the same problem, but now I
>know
>in which exact line the error is.
>Inside the vorbisenc.c, we have the following function:
>static void codec_setup_partialcopy(codec_setup_info *ci,
>codec_setup_info *cs){
>int i;
>memcpy(ci,cs,sizeof(codec_setup_info)); /* to get the flat numbers */
>/* codebooks */
>for(i=0;i<ci->books;i++){
>ci->book_param[i]=cs->book_param[i];
>}
>/* time backend settings */
>for(i=0;i<ci->times;i++){
>ci->time_param[i]=_time_P[ci->time_type[i]]-> // <---The error
is in this
>line
>copy_info(cs->time_param[i]);
>}
>...
The work around for this problem is to include vorbisenc.c in the vorbis DLL and
not have a
separate, stand alone vorbisenc.dll.  If you do this, then this problem
disappears.  Obviously,
since the vorbisenc code is quite large, and a lot of applications will only be
decoding, this
is not a permenent solution.

This may have to do with how global data is treated in DLLs, which is that each
client gets a
fresh instance of the global data.  The problem seems to be accessing _time_P
accross DLLs
(vorbisenc.dll accessing _time_P in vorbis.dll)  I'm thinking of trying a
named data segment.

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