On 05/03/2013 08:01 PM, Nils Gey wrote:
Hello list,

libsndfile-info shows various useful information like the one at the end of 
this mail.
I have Sonatina Symphonic Orchestra waves here (violins 1) and a one note wave includes "Midi 
Note", "Loop Count" and "Cue Start : 92078  End : 223977", which is the actual loop 
start/end

Is this custom data or does it follow a standard?
And no matter what, how do I write that into my own wave files?

May be offtopic .. you can insert any obscure poetry or any non-stardard text in a wav file via steganography.

http://steghide.sourceforge.net/documentation.php









I would prefer command line tools. But programming interfaces are fine as well.

Greetings,
Nils

$ sndfile-info test.wav

Version : libsndfile-1.0.25

========================================
File : test.wav
Length : 896548
RIFF : 896540
WAVE
fmt  : 16
   Format        : 0x1 => WAVE_FORMAT_PCM
   Channels      : 2
   Sample Rate   : 44100
   Block Align   : 4
   Bit Width     : 16
   Bytes/sec     : 176400
data : 895916
*** SAUR : 512 (unknown marker)
smpl : 60
   Manufacturer : 0
   Product      : 0
   Period       : 22675 nsec
   Midi Note    : 76
   Pitch Fract. : 0
   SMPTE Format : 0
   SMPTE Offset : 00:00:00 00
   Loop Count   : 1
     Cue ID :  0  Type :  0  Start : 92078  End : 223977  Fraction :     0  
Count :     0
   Sampler Data : 0
End

----------------------------------------
Sample Rate : 44100
Frames      : 223979
Channels    : 2
Format      : 0x00010002
Sections    : 1
Seekable    : TRUE
Duration    : 00:00:05.079
Signal Max  : 31468 (-0.35 dB)




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