[wdmaudiodev] Re: Windows 7 wave cyclic driver

  • From: Farrah Avanesov <favanesov@xxxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Wed, 1 Mar 2017 16:16:01 -0500

On Wed, 2017-03-01 at 19:59 +0000, Matthew van Eerde wrote:

What WAVEFORMATEX is being passed to your NewStream implementation,
and what WAVEFORMATEX is in the “fmt ” chunk of the captured .wav
file?

From WinDbg:
[TestDataFormat] PCMEX - Frequency: 48000, Channels: 2, bps: 16,
ChannelMask: 3

"fmt" sub-chunk" from .wav file:
Subchunk1 ID:   0x666d7420
Subchunk1 Size: 0x12000000
AudioFormat:    0x0100
NumChannels:    0x0200
SampleRate:     0x44ac0000 <-- which is 44100 and the problem?
ByteRate:       0x10b10200
BlockAlign:     0x0400
BitsPerSample:  0x1000




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