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Feature Requests, Feedback And Suggestions Post your suggestions and feature requests here, what would you like to use in BS.Player. Any feedback is appreciated and will be reviewed by our team.

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Old 12th September 2004
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Default MPEG-1 Layer 2 audio streams selection

I recently received a file with following specification (GSpot 2.51 beta2):

Container:
CDXA << MPEG-1 System Stream << {1 vid, 1 aud }

video codec
type: MPEG1_Payload
name: MPEG-1

audio codec
codec: MPEG-1 Layer 2
Info: 0xc0:44100Hz CBR 224 kb/s total (2 chnls)

It also says that it is an VCD file.

On those two audio channels the file have two different languages. Unfortunately BSplayer shows only (audio -> audio streams):
Stream(C0)

By default it plays both channels, the only way to change this is to go to filters and in MPEG Audio Decoder which is identified as:

MPEG Audio Decoder
Location: C:\WINDOWS\System32\
quartz.dll, Size: 1250304 bytes, Version 6.5.1.902

CompanyName: Microsoft Corporation
FileDescription: DirectShow Runtime.
FileVersion: 6.05.01.0902
InternalName: Quartz.dll
LegalCopyright: Copyright (C) 1992-2001 Microsoft Corp.
LegalTradeMarks: Copyright (C) 1992-2001 Microsoft Corp.
OriginalFilename: Quartz.dll
ProductName: DirectShow
ProductVersion: 6.05.01.0902
Comments: 6.05.01.0902

change options from "channel - both" to "channel - first" or "channel - second" (note: this is translation from polish so it may differ from original)

It would be so cool if there were an option to choose channels as in ogg files. (for example: audio -> audio streams -> Stream(C0) -> first, second, both)
^_^
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Old 12th September 2004
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If I read correctly, those 2 channels are those usually used for stereo... it's 1 audio streams with 2 channels, left and right. Hence bsplayer detection is normal

I suppose you only need to change the balance of your audio output, if it's quicker than change the decoder settings.

=> if my reasoning is correct, your suggestion would be to add balance control to bsplayer
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Old 12th September 2004
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Quote:
Originally Posted by Quietseb
If I read correctly, those 2 channels are those usually used for stereo... it's 1 audio streams with 2 channels, left and right.
yes, and no. Normally I would think the same. But look at the decoder options (under "filters" in BSPlayer). This time a full text:

audio MPEG 1 decoder

*sound quality:
bla bla bla not important

*channel:
- first
- second
- both

*sound channels:
- stereo
- mono

*informations
*set as default

(all translated from polish)

so, it's not "channels left, right" but "one, two", also there is an option to choose stereo or mono.
The conclusion is: this is normal for VCD movies to have one stream and two channels with different audio. Or am I wrong? (don't know much about VCD movies)

Quote:
Originally Posted by Quietseb
Hence bsplayer detection is normal
yeah, that's why I put it into request section.

Quote:
Originally Posted by Quietseb
I suppose you only need to change the balance of your audio output, if it's quicker than change the decoder settings.
nope.

Quote:
Originally Posted by Quietseb
=> if my reasoning is correct, your suggestion would be to add balance control to bsplayer
nope.

Also, when I use
- "both" - I hear in left speaker one language, in right other language
- "one" or "two" - one language goes to b o t h speakers, I don't know if "stereo/mono" option works, cause this movie don't have many situations where you could hear a difference :/
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Old 14th September 2004
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Could you provide some sample file ?
A few secs is enough.
You can upload it to
ftp ftp.bsplayer.org
login/pass: bsp/upload
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Old 14th September 2004
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Done!

filename is GaretJax - Taiji - audio test.mpg

It behaves exactly the same way as decribed above.

One channel is original chinese voice, other is chinese dubbing.
(note: chinese != chinese)

Have fun learning Tai Chi :P
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Old 14th September 2004
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ok thx, we'll add option to choose which channel to decode in next build.
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Old 14th September 2004
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:D
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