Hi James

Thanks for that hint. I actually _wanted_ to check [readanysf~], but
failed to compile it. But yeah, it would cover some of the given
requirments. Unfortunately, it does not seem to return the number of
channels of an audio file. Since i cannot test myself now: Is it able at
all to play multi-channel-files with a higher number of channels than 2?

I don't see any errors, when running ./configure. However, 'make' fails
pretty early:

roman@yoyo2:~/pd-svn/externals/august/readanysf~$ make
make  all-recursive
make[1]: Entering directory
`/home/roman/pd-svn/externals/august/readanysf~'
Making all in src
make[2]: Entering directory
`/home/roman/pd-svn/externals/august/readanysf~/src'
g++ -DHAVE_CONFIG_H -I. -I.. -I/usr/local/include/
-I/usr/local/lib/pd/flext/ -I../include/  -DUNIX -Wno-deprecated -Wall
-Wimplicit -Wunused -Wmissing-prototypes -O1  -DFLEXT_SYS=2
-DFLEXT_THREADS -DFLEXT_SHARED -DFLEXT_USE_CMEM
-I/usr/local/include/flext  -DREAD_VORBIS   -DREAD_MAD  -DREAD_FLAC -MT
Input.o -MD -MP -MF .deps/Input.Tpo -c -o Input.o Input.cpp
cc1plus: warning: command line option "-Wmissing-prototypes" is valid
for Ada/C/ObjC but not for C++
Input.cpp:2:22: error: iostream.h: No such file or directory
make[2]: *** [Input.o] Error 1
make[2]: Leaving directory
`/home/roman/pd-svn/externals/august/readanysf~/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory
`/home/roman/pd-svn/externals/august/readanysf~'
make: *** [all] Error 2


There are several packages delivering a file 'iostream.h', but none of
them puts it directly to /usr/include. I also did install all the
pre-requisites of readanysf~: libmad, libsamplerate, libflac, libogg,
working flext.

Help would be much appreciated.

Roman


On Mon, 2009-12-07 at 16:43 +0000, James Dunn wrote:
  

What about readanysf~? You can send it [seek $1( and you can also get 
the file length in seconds out with [route length]

Quoth Roman Haefeli, on 06/12/09 23:57:
    

Hi all

Yeah, it's never too late for basic questions. Basically i would like to
create file player patch, that let's you pick a soundfile (be it a wav)
of any number of channels and a bit depth currently supported by
[readsf~] and it should be able to play from any position between the
start and the end of the file. 

Usually i used a kludge by using [soundfiler] in order to get the number
of sample frames of the file and then i calculated the number of bytes
to be skipped in order to be able to let [readsf~] play the file from a
random position. However, this only works when the actual header size of
the file is constant (i.e. known and the same for every file; ok, when
the header sizes would be known, they wouldn't need to be the same for
all files, but you get the point) and when you know beforehand the bit
depth of the file(s), since [readsf~] reads it correctly, but doesn't
tell you about it.

Now, i would like to be able to play wav files correctly with arbitrary
(unkown) bit depths and arbitrary (unkown) number of channels. Also, i
am looking for a way to be able to load both, simple RIFF WAV and so
called 'Broadcast WAV' files (the ones with a 'bext' header signature). 

I also tried [wavinfo] from ext13. However, this seems to work only with
the former (simple) format, but not with broadcast wav-files. Funny
enough, [readsf~] seems to have everything needed built-in, since it
reads both formats correctly, it just does not expose those functions to
the pd patch (as this unfortunately is often the problem with many
object classes). 

Any idea or pointers to other externals welcome!

Roman



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