Quoting fons@xxxxxxxxxxxxxxx:
On Tue, Oct 12, 2010 at 09:49:43PM +1100, Erik de Castro Lopo wrote:
If anyone has access to any commercial software that includes
support for writing the RF64 file format, I'd appreciate it if
you send me (direct please, not to the list) a small file (ie
less than 100k) with information about the program that generated
it.
This may be useful if you have a windoze machine:
<http://www.davidsystems.com/en/news/news-detail/period/1209592800/2678399/1/article/31/david-systems-offers-rf64-generator-for-free/>
Or have WINE installed (it even worked with the 0.9.20 version I've
got installed). I had it make a 4.1GB file which sndfile-info
identified as :
Version : libsndfile-1.0.20
========================================
File : /4GBwav/Stereo4Gb.wav
Length : 4295837820
RF64
WAVE
ds64 : 32
Riff size : 4295837812
Data size : 4295837712
Frames : 1073959428
Table len : 0
fmt : 40
Format : 0xFFFE => WAVE_FORMAT_EXTENSIBLE
Channels : 2
Sample Rate : 44100
Block Align : 4
Bit Width : 16
Bytes/sec : 176400
Valid Bits : 16
Channel Mask : 0x3
Subformat
esf_field1 : 0x1
esf_field2 : 0x0
esf_field3 : 0x10
esf_field4 : 0x80 0x0 0x0 0xAA 0x0 0x38 0x9B 0x71
format : pcm
data : FFFFFFFF
----------------------------------------
Sample Rate : 44100
Frames : 1073959428
Channels : 2
Format : 0x00220002
Sections : 1
Seekable : TRUE
Duration : 06:45:52.821
Strangely enough libsndfile-1.0.23 borks on the file:
Error : Not able to open input file /4GBwav/Stereo4Gb.wav.
File : /4GBwav/Stereo4Gb.wav
Length : 4295837820
RF64
WAVE
ds64 : 32
Riff size : 4295837812
Data size : 4295837712
Frames : 1073959428
Table length : 0
*** Unknown chunk marker (0x0) at position 0x34. Exiting parser.
Error in WAV file. No 'data' chunk marker.
- Peder
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