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ver 6 Tempo Matching Issue
#789401 12/14/23 04:33 PM
Band-in-a-Box VST and Pro Tools/AAX DAW Plugin (Windows)
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I thought you had it set to fit a tempo map (i just tried it with as tempo change not map) but it's just using the tempo at the start point for whole item not following the varying tempo.
I'm not sure how you are inserting the media item sections so not sure the best way to solve the issue.
You have:
Main_OnCommand(42374, 0) -- Item properties: Set item rate from user-supplied source media tempo/bpm...

Main_OnCommand(42375, 0) -- Item properties: Set item timebase to beats (auto-stretch at tempo changes)

SetMediaItemInfo_Value( sel_item, "C_BEATATTACHMODE", 1 )

SetMediaItemInfo_Value( sel_item, "C_AUTOSTRETCH", 1 )

In the SGU import script:
below
function main2()
I have a function to stretch the item end to the track position:
function stretch_item_to_pos(xpos)

Open SGU in Reaper

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Re: ver 6 Tempo Matching Issue
musocity #789440 12/14/23 09:09 PM
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Here's a varying tempo map:
Live-Song-tempo-map.mid drop it into Reaper to import the tempo map.
Re: ver 6 Tempo Matching Issue
musocity #789976 12/16/23 08:40 PM
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You have the track data now:

<SOURCE VIDEO
FILE "E:\bb\RealTracks\Bass, Electric, PopShiningA-B Ev 120\bs2126.wav"
>


You just need to stretch marker info in the data:

<SOURCE VIDEO
FILE "E:\bb\RealTracks\Bass, Electric, PopShiningA-B Ev 120\bs2126.wav"
>
SM 0 200.0575 0 1 0 + 1.986666667 202.044166667 0 1 3.973333333
Re: ver 6 Tempo Matching Issue
musocity #790202 12/17/23 06:21 PM
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When it's using stretch markers the default Stretch marker fade amount is 2.5 if you set this to 0 it will take out any glitches of sustained notes or vocal to a varying tempo map by setting Item Properties > Stretch markers fade size: 0

Set-selected-items-stretch-marker-fade-size-to-0.zip
Re: ver 6 Tempo Matching Issue
musocity #790383 12/18/23 02:45 PM
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This is a varying tempo map with the default stretch marker fade amount of 2.5 then set to 0:
Reaper-StretchMarkersFadeAmount.mp4
Re: ver 6 Tempo Matching Issue
musocity #791674 12/24/23 12:59 AM
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You need to add: IMPLIEDWARP 1
with the stretch markers
you can also have an option for take markers to show the instrument name and where changes are.
Code
  <ITEM
      POSITION 3.44392857142857
      SNAPOFFS 0
      LENGTH 3.43928571428571
      IMPLIEDWARP 1
      SOFFS 100.017916666667
      PLAYRATE 1.16666666666667 1 0 -1 0 0.0025
      <SOURCE VIDEO
        FILE "E:\bb\RealTracks\Bass, Electric, PopShiningA-B Ev 120\bs2126.wav"
      >
      TKM 200.0575 "Bass, Electric, PopShiningA-B Ev 120" 16822272
      SM 0 200.0575 0 1 0 + 1.986666667 202.044166667 0 1 3.973333333
    >
Re: ver 6 Tempo Matching Issue (UPDATE)
musocity #797319 01/26/24 12:46 AM
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UPDATE:
Originally Posted by musocity
PG could add these in to the .di data file Biab makes, this is default fade size .010 ms, try whatever works the best.

Code
    <ITEM
      POSITION 4.01291666666667
      SNAPOFFS 0
      LENGTH 2.0125
      BEAT 1
      SOFFS 158.012916666667
      PLAYRATE 1 1 -2 -1 0 0.0025
      <SOURCE VIDEO
        FILE "E:\bb\RealTracks\Bass, Electric, BritInvasion Ev 120\BS1681.wav"
      >
      FADEIN 1 0 0 1 0 0 0
      FADEOUT 1 0 0 1 0 0 
    >
Don't forget to add the stretch markers also so it will fit any varying tempo map, you will need to work them out.
You need to add: IMPLIEDWARP 1
with the stretch markers
the stretch marker fade amount is best @ 0.0 as you don't get any clicks or glitches
PLAYRATE 1 1 2 -1 0 0

this is the default stretch marker fade amount @2.5
PLAYRATE 1 1 2 -1 0 0.0025
Code
    <ITEM
      POSITION 4.01291666666667
      SNAPOFFS 0
      LENGTH 2.0125
      IMPLIEDWARP 1
      BEAT 1
      SOFFS 158.012916666667
      PLAYRATE 1 1 -2 -1 0 0
      <SOURCE VIDEO
        FILE "E:\bb\RealTracks\Bass, Electric, BritInvasion Ev 120\BS1681.wav"
      >
      FADEIN 1 0 0 1 0 0 0
      FADEOUT 1 0 0 1 0 0 
      SM 0 200.0575 0 1 0 + 1.986666667 202.044166667 0 1 3.973333333
    >

Last edited by musocity; 01/26/24 02:05 PM.
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