Re: [Audacity-devel] Advanced Mixing Options

[Vaughan J. <va...@au...>]

Very cool, Arun. I had to make a couple of small changes in Export.cpp 
to get it to compile with VC8 on Windows, but those are checked in. 
(Fatal compile error on acos and pow because they had integer arguments 
and the compiler couldn't figure out which overload to use.)

Black text on dark blue or dark gray is hard to read. I suggest you 
lighten the colors in the box fills. I also think it would look better 
if the font size is the same in the track and channel boxes.

Thanks,
Vaughan


Arun Kishore wrote:
> Hi Dominic, all.
>
> I have committed this to the CVS. Please check if there any build errors on
> Windows or Mac.
>
> I've changed the patch to add "- Left" and "- Right" to the track names if
> the track is Stereo. The playback feature you have suggested sounds great.
> I'll think about the implementation details over the next few days.
>
> Thanks!
>
> Best regards
> Arun Kishore
>
>
> Dominic Mazzoni wrote:
>   
>> Arun,
>>
>> This is really cool!  What happens if you have a stereo track?  Your  
>> screenshot doesn't make that clear, but it would be nice if it  
>> displayed as "MyStereoTrack - Left" and "MyStereoTrack - Right".
>>
>> Also, what would you think about enabling this feature for more than  
>> just export, and actually supporting multichannel playback?  I think  
>> that with your GUI, it would actually be trivial to implement the  
>> Audio I/O part.  Here's what I think we'd need to do:
>>
>> 1. Take your neat dialog and turn it into a "Multichannel" dialog;  
>> ideally it would be modeless, but even just a dialog you could pop up  
>> at any time would be fine.
>>
>> 2. Audio I/O needs a choice for the number of output channels, just  
>> like the number of input channels.
>>
>> 3. Each Track needs a new member variable indicating its assigned  
>> output channel
>>
>> 4. If Multichannel mode is enabled, Audio I/O would read from the  
>> output channel instead of just the left/right assignment it looks at  
>> now.
>>
>> - Dominic
>>
>> On Apr 14, 2006, at 2:19 AM, Arun Kishore wrote:
>>     
>>> Hi all
>>>
>>> I have just finished implementing some mixing options when exporting
>>> tracks. Here are the highlights:
>>>
>>> 1. Under the File Formats tab in Preferences, now you can specify "Use
>>> Advanced  Mixing Options" when exporting tracks.
>>>
>>> 2. When the above option is enabled, exporting tracks or selection
>>> brings up a UI ( see screenshot attached ) where you can specify track
>>> to channel mapping.
>>>
>>> 3. Selecting a track( highlighted by red ) followed by selecting a
>>> channel specifies a mapping displayed by a link between the boxes.
>>>
>>> 4. Clicking on the link removes the mapping.
>>>
>>> 5. The number of output channels is configurable depending on the
>>> maximum number of channels supported by format, For now, I have
>>> limited the maximum number of channels to 32 although WAV and Ogg
>>> Vorbis can support more than this.
>>>
>>> Dig through the attached patch for details. If there are no
>>> objections, I will commit this into CVS.
>>>
>>> Best regards
>>> Arun Kishore
>>> <mixerspec_060414.patch>
>>> <screen.gif>
>>>       
>>
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