[Cin] Use MAXCHANNELS define in mwindow.C

[Andrew Randrianasulu]

В сообщении от Sunday 22 November 2020 11:39:25 Igor BEGHETTO via Cin написал(а):
> Andrew, thanks for confirm the code about.
> Yes it is true, you can delete audio tracks and change number of 
> channels in Setting->Format, and use GangChannel/GangMedia. As you saw 
> in my example CinelerraGG always create all audio tracks that the clip 
> contains (in the example there are empty audio tracks) and that is 
> right. Audio Channels are not audio tracks and I would leave max 
> channels to 6. I think it may be a good standard when there are more 
> than 6 channels.

There is 7.1 setup on my audiocard:

aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
jack
    JACK Audio Connection Kit
sysdefault:CARD=SB
    HDA ATI SB, ALC892 Analog
    Default Audio Device
front:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Front speakers
surround21:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers


Anyway, my point was you can't see if track/ch is empty or full before you load it. 
In unmodified case you better to check media info in asset window and then 
abjust channels for newly-created project. Some manual work.

Also,  using same define for all codebase allow you to change things in one 
central place, without remembering this special number in this specific file.

And finally, my change shouldn't affect your usual files. And really pathological/broken 
files with 1000 channels still will be cut down to reasonable amount of channels.
You can manipulate all tracks via GUI, but this *6* number must be changed in code and Cin recompiled - 
some time on user end, if user will be curious enough to investigate this limitation.

But again, I can carry this patch locally and dealt with consequences too ...

> 
> Phyllis wrote:
> > For now, which could change at any minute, I would like to continue to 
> > test mods as a check on my laptop as I had been doing and attempt to 
> > check them into GIT.  I will let you know how this goes.
> Phyllis, I am glad you are here. Thanks!
> 
> IgorBeg