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Topic: S/PDIF pass-through doesn't work (Read 6943 times) previous topic - next topic
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S/PDIF pass-through doesn't work

Hello,

I've a Xitel Pro Hifi-Link USB audio device and I've serious trouble getting the S/PDIF pass-through to work. Normal sound output works like a charm. But as soon as I switch any ac3 filter to S/PDIF pass-through Media Player Classic shows an error upon opening of the avi. The error is about not being able to connect a pin in the graph, in other words the error you get when you are missing a codec. After that the file starts playing without audio 
If I switch the decoding of AC3 back on I have (stereo) sound. So in that case the decoder works. I get no error message then.
I tried the built-in AC3 decoder of Media Player Classic, the AC3 decoder in the latest FFDSHOW and Valex's AC3Filter. Everytime I get the same result, upon switching to S/PDIF pass-through I get that error on opening the file. The MS Media Player 6.4 complains about a missing codec and wants to connect to the net.

I can't figure out what's wrong    Could anyone please be so kind to provide some assistance?


Regards,

Tikke24x

 

S/PDIF pass-through doesn't work

Reply #1
I've some more info. MPC shows the following error:

Media Player Classic could not render some of the pins in the graph,
you may not have the needed codecs or filters installed in the system.

The following pin(s) failed to find a connectable filter:

Audio Switcher::Out (4x in dropdown)
===

Stream 1
ffdshow Audio Decoder
Audio Switcher

Media Type 0:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: MEDIASUBTYPE_PCM {00000001-0000-0010-8000-00AA00389B71}
formattype: FORMAT_WaveFormatEx {05589F81-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 1
cbFormat: 18

WAVEFORMATEX:
wFormatTag: 0x0092
nChannels: 2
nSamplesPerSec: 48000
nAvgBytesPerSec: 192000
nBlockAlign: 4
wBitsPerSample: 16

=

Stream 1
AVI<->AC3/DTS
ffdshow Audio Decoder
Audio Switcher

Media Type 0:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: MEDIASUBTYPE_PCM {00000001-0000-0010-8000-00AA00389B71}
formattype: FORMAT_WaveFormatEx {05589F81-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 1
cbFormat: 18

WAVEFORMATEX:
wFormatTag: 0x0092
nChannels: 2
nSamplesPerSec: 48000
nAvgBytesPerSec: 192000
nBlockAlign: 4
wBitsPerSample: 16

=

Stream 1
AVI<->AC3/DTS
AC3 Audio Decoder (low merit)
Audio Switcher

Media Type 0:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: MEDIASUBTYPE_PCM {00000001-0000-0010-8000-00AA00389B71}
formattype: FORMAT_WaveFormatEx {05589F81-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 1
cbFormat: 18

WAVEFORMATEX:
wFormatTag: 0x0092
nChannels: 2
nSamplesPerSec: 48000
nAvgBytesPerSec: 192000
nBlockAlign: 4
wBitsPerSample: 16

=

Stream 1
AC3 Audio Decoder (low merit)
Audio Switcher

Media Type 0:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: MEDIASUBTYPE_PCM {00000001-0000-0010-8000-00AA00389B71}
formattype: FORMAT_WaveFormatEx {05589F81-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 1
cbFormat: 18

WAVEFORMATEX:
wFormatTag: 0x0092
nChannels: 2
nSamplesPerSec: 48000
nAvgBytesPerSec: 192000
nBlockAlign: 4
wBitsPerSample: 16

 
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