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    Multiple instruments, single project or multiple projects?

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    • d.healeyD
      d.healey
      last edited by

      That's a good idea, I shall do it :)

      Libre Wave - Freedom respecting instruments and effects
      My Patreon - HISE tutorials
      YouTube Channel - Public HISE tutorials

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      • d.healeyD
        d.healey
        last edited by

        Just tried building the debug 64bit and I got this fatal error:
        "1>D:\HISE Development Builds\HISE-master\projects\standalone\JuceLibraryCode\hi_native_jit.cpp : fatal error C1128: number of sections exceeded object file format limit: compile with /bigobj"

        The regular standalone 64bit build worked fine though.

        Libre Wave - Freedom respecting instruments and effects
        My Patreon - HISE tutorials
        YouTube Channel - Public HISE tutorials

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        • Christoph HartC
          Christoph Hart
          last edited by

          Ah yes, that one. Go to Project -> Properties (Alt+F7) -> C++ -> Command Line and add /bigobj in the
          Additional Options box (which should be empty).

          This happens because the Debug version creates a bigger intermediate object file before linking it to the executable and your computer is maxed out on RAM for these steps.

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          • d.healeyD
            d.healey
            last edited by

            With the code I posted a few days ago and the crash I described with the container and sampler the debugger breaks here:
            alt text

            Using the same code, adding a sampler, making changes, saving and restoring them using my scripted buttons crashes HISE at this point
            alt text

            I'm really not sure what I need to be looking for in VS it's been many years since I did any work in it and nothing on the scale of HISE so hopefully these images are of some use!

            Libre Wave - Freedom respecting instruments and effects
            My Patreon - HISE tutorials
            YouTube Channel - Public HISE tutorials

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            • Christoph HartC
              Christoph Hart
              last edited by

              That's what I suspected, thanks for checking this. BTW, if you click on "Break" in the last picture, it should point you to the line (that would be interesting, because the second error is a bit more critical because it wants to read from an object that was already deleted (and even then, it should say 0x0000000005 and not 0xFFFFFFFFF.... :)

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              • d.healeyD
                d.healey
                last edited by

                Have you found a solution for this crash?

                Libre Wave - Freedom respecting instruments and effects
                My Patreon - HISE tutorials
                YouTube Channel - Public HISE tutorials

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                • Christoph HartC
                  Christoph Hart
                  last edited by

                  Nope not yet, I got caught up in writing a lossless audio compressor the last days :)

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                  • d.healeyD
                    d.healey
                    last edited by

                    Oh that's even better :) how's it going?

                    Libre Wave - Freedom respecting instruments and effects
                    My Patreon - HISE tutorials
                    YouTube Channel - Public HISE tutorials

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                    • Christoph HartC
                      Christoph Hart
                      last edited by

                      It works well for decaying samples (with ~60% size which is equal to FLAC but the decompression is way faster because the algorithm is much simpler).

                      For sustain samples it's not that good though (80-90%) but maybe I can improve this.

                      For general audio files it's horrible - when compressing a mastered music track you still end up with 99% file size.

                      I'll devote a new blog entry to this once it's done where I'll explai how it works.

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                      • Christoph HartC
                        Christoph Hart
                        last edited by

                        I am using three compression algorithms, each with different decoding / compression ratios:

                        • the "Block" algorithm is a simple bit depth compressor without any processing
                        • the "Delta" algorithm detects a cycle in the waveform and stores delta values until the cycle is invalidated
                        • the "Diff" algorithm uses 4x downsampling + bit depth reduction for the error signal (basically you take each 4th sample, draw a line between them and store the deviation of the second and third sample).

                        I made some more tests & first decoding benchmarks:

                        =====================================================
                        FLAC ratio:	33.1% file size
                        Block ratio:	74.2% file size
                        Delta ratio:	66.8% file size
                        Diff ratio:	57.3% file size
                        =====================================================
                        PCM speed:	11842.3x realtime
                        FLAC speed:	1705.3 x realtime
                        Block speed:	10086.3 x realtime
                        Delta speed:	8175.8 x realtime
                        Diff speed:     tba.
                        

                        The performance limit is uncompressed PCM decoding, which works at about 12000x realtime speed. While offering a far better compression ratio, FLAC's decompression speed is far behind the others (14% of PCM speed). The Block algorithm comes pretty close (and in a streaming context it might surpass the uncompressed PCM performance because it has to load fewer bytes from the disk). I didn't implement the Diff decompressor yet, but I expect it to yield something like 6000 - 7000x realtime speed, which will be the bang for the buck algorithm.

                        Another speed advantage will come from using memory mapped files for this (the FLAC reader in JUCE doesn't support memory mapping).

                        This format will also be used for the preload buffers so it'll drop the RAM usage significantly (currently the preload buffers are stored as 32bit floats!)

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                        • d.healeyD
                          d.healey
                          last edited by d.healey

                          This looks awesome! well done. The drop in RAM usage will be very welcome but what is the effect on CPU?

                          Libre Wave - Freedom respecting instruments and effects
                          My Patreon - HISE tutorials
                          YouTube Channel - Public HISE tutorials

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                          • Christoph HartC
                            Christoph Hart
                            last edited by

                            Well if you can decompress 8000 voices in realtime the CPU usage for each voice is 0,0125%

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                            • d.healeyD
                              d.healey
                              last edited by

                              Is the compression tool part of HISE or is it a separate app?

                              Libre Wave - Freedom respecting instruments and effects
                              My Patreon - HISE tutorials
                              YouTube Channel - Public HISE tutorials

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                              • Christoph HartC
                                Christoph Hart
                                last edited by

                                It will be of course embedded into HISE but I am using the seperate tool for testing & tuning the algorithms until it gets to a stable state.

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                                • Christoph HartC
                                  Christoph Hart
                                  last edited by

                                  Alright, the crashs should be fixed (it was the same reason that caused the REAPER crash so it's two for one :)

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                                  • d.healeyD
                                    d.healey
                                    last edited by

                                    Brilliant, I'll give it a try later today

                                    Libre Wave - Freedom respecting instruments and effects
                                    My Patreon - HISE tutorials
                                    YouTube Channel - Public HISE tutorials

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                                    • d.healeyD
                                      d.healey
                                      last edited by

                                      Good news! The crash is fixed, not so good news, found a new bug :)

                                      When using the last snippet I posted:

                                      HiseSnippet 1184.3ocsV8+SabCE2GvM0KaTsNs+.73mBprzj1xV0XnUR.1xJDh5QQUpppy4NGN2dwNxmu.YH9mX+kt+C1d19tbWBWYDjVDBc980O989X6WeoHfljHjHmu7zoioHmux0eJWE0Ihv3nt6ibdn6wjDEUhshZOcLIIgFhbbV8W0Bb7VCY982+RaRLgGPKDgPmIXAziXiXpBo+wKeEKN9PRH8T1nRV+7W1MPv6HhEo.dV0sIZLI3Sjyo8HZyVwEMgQuHA4zz8YOsg7SsF7m603y9axYGz3iu3T8mnfTojxUmAtibbc9G3mi6AgLkP5qHJJDy0ZKBm5GItfaS8YrD1fXpdQKjOfIq3CEwg5Mu9aTmHVbX+7RXBBhR+hB5p1B525dLKjMSdQg8qMJvEdTtz5rxsAuV2S34TBdqYg2ib8CjrwpBMZr8MYR+LnypDsxe459jmzsWmidy9G3Wql96tmVqifqfpciDp52nryiT02t4l6nUi6Hov9ASvIvdC5r3wDNMdKbDKjhYpsvDdHNgLQu.y3XUDXhjBQpFPMRT3IDYtu80th2EmmNRXnQT8MJavFagaB+A4urTM1puwDaQDLYHINgVoMZvzk22fAvPkLkt3d47Xw.RLVL3iz.E.YhBeAPvwQPyvrClPhSoI3gBoYo.9GrKL0vjF0xbOMgJsoYehh.6qqt1lGepx3Vlc4UNRBjkvyoJa3mEcnTFR41BaCs+cGMVHUDt5m.8rDK13BENHVvoVDYf9V3AoJbRDQp2UR5PJbnIf9c2npblNg0mGv5hRQKZfhejfDNe2ocpRI302vnYVEs01P+oktAMm69ZRPktazLy8bmK4MOcjg5atHKABh4iFPop2bZpOWNClyk28dHj5RZcFrp4NXF9mWHvfrG+3MqcUMuRt9N16KmvByaOsKOjdYcFjzq080CeSuNm18jdlyMc16niZuWmW4WaXJOPwDbrf2SnnmvqaRA3yhZFNrJU5BlTDGSkUoUegq7VbqNrEGPkaY4TF6XCwYRw6t6bm81rlGn2CnXulNNlDPKSSyNMbASEYoX.UanTLxrPScxOW64cCluI463UyCJTKj+LhUVpuSMHOioKzjZ.4C1JTy8qKPkA0PSxCxtmmMyEjdMUqZXook2CXciTCts.ToWpO.aQ5+EvtFt6e9WNpc2d4HvdPqjgBdWNScxX5r0VBYtjlnYDwxhJHfkkZHdUXVgna9bEJ6vO7v0pYlCeoLOasd9yVZhHhEpmSoL2DY3PHmG3969mz6pqsAqbDdXVDrWqXBw5tktZJOBdeQ9rL2sPT55oJBwMe.FFCPDlFSTyOafd1pLEvIz4d8sqtpjvTSKO60RLvPyJGXnUUcf6HbejaelJHpZ7tRE3EZo+ei2rwuV28fgCgahJ.6ZtG9166rVKATdsHUw3meLQIYWBScBu83CC1FPAjvAFZhdRzUzrJ65l505JiOkG1LeL0LkszqcxT1JWIZDIPJ9PfkVpGv6AFI.l3lQl8fY2g03V4LQMtGASc9gf.cg36AjWsGOco83YKsGOeo8X6k1ieXo83GWZOdws3gdD+8RUhQ1iEHz+B3sqkq.
                                      

                                      If I load this from clipboard and then add a container to the Master container, and then try and add a sampler (or any other sub-module) to the new container it doesn't do anything. If I then delete the container and click the save button on my script I get an error that the container I deleted can't be found.

                                      Libre Wave - Freedom respecting instruments and effects
                                      My Patreon - HISE tutorials
                                      YouTube Channel - Public HISE tutorials

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                                      • Christoph HartC
                                        Christoph Hart
                                        last edited by

                                        Yes this is because scripts get recompiled if you add a sound generator, which interferes with the possibility of adding sound generators via scripting.

                                        This is a rather annoying design flaw and I have to think about a clever solution (perhaps just removing the possibility to restore containers might be enough).

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                                        • d.healeyD
                                          d.healey
                                          last edited by

                                          Would that affect the contents of containers too?

                                          Libre Wave - Freedom respecting instruments and effects
                                          My Patreon - HISE tutorials
                                          YouTube Channel - Public HISE tutorials

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                                          • Christoph HartC
                                            Christoph Hart
                                            last edited by

                                            If you restore a container, it will delete every sound generator in it and add the new ones which triggers a global script recompile (I am not 100% sure why it does that, but I think I added this for a good reason).

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