bopsedit.blogg.se - Dosbox sf2 files

Dosbox sf2 files how to#
Dosbox sf2 files install#
Dosbox sf2 files Patch#

If flamegraphs with FluidSynth integrated will look similar to graphs when game is playing music via CD-DA emulation - that's good.

Dosbox sf2 files how to#

(The thing I'm not sure about is how to be 100% sure flamegraph does not include child threads - but for CD-DA this doesn't seem to be a problem). I need to describe somewhere how to interpret the graph, but overall: there will definitely be a huge plateau of unrecognized stacks (that's dynrec-generated CPU emulation, we're not interested in that) and a tower, that can be clearly recognized as main dosbox "Normal" loop narrow towers on top of normal loop are ok - plateaus on top of normal loop are bottlenecks. Resulting SVG to be opened in the browser (it has js to allow for easier browsing and filtering the graph). ~/src/FlameGraph/ out.perf-folded > flamegraph-game-test-description.svg.sudo perf script | ~/src/FlameGraph/ > out.perf-folded.sudo perf record -F 99 -p -g - sleep 120 -F 99 is probing stack at 99Hz - empirically, this seems like a good middle-ground, at least for me (we don't want too high value for probing, as it makes the results less realistic!) play the game or watch benchmark for 2 minutes.Start the benchmark / test inside dosbox, and immediately:.Start dosbox-staging, and note PID of the process.Build dosbox-staging with -g -O0 -fno-omit-frame-pointer.Without going into details, this is the way I generate flamegraphs (Linux only), before starting: the FlameGraph repo mentioned earlier needs to be cloned (for the scripts inside).

Dosbox sf2 files Patch#

Testing effort required would push 0.75.0 release too far away, so I won't merge any new MIDI-related changes before 0.75.0 release ( here are tasks planned ATM for 0.75.0).īut if someone has free cycles and wants to push this work forward: the patch is imported on a side branch already - cherry-pick f786b9f and start working on fixes to problems I listed in (2) and (4) ) If nobody will step up, I'll start work on this sometime after 0.75.0.

But the patch already kind-of handles it. Of course, integration of Fluid needs to be optional - the lib is not old nor tested enough to be propagated to all repositories, so some users will want to build without it. I still want to address (1), but after looking in details at the patch - this work can largely happen in parallel. Points (4) and (2) are just a matter of putting in some work - not a big deal. That takes out reason (5), and it's huge. Over last 1-2 months (?), point (5) stopped being a problem, fluidsynth 2.x is now available in most repositories, including brew and vcpkg.

libfluid 2.x was not available in repositories, which would mean integrating patch required bundling fuid in the repo, which means transition to cmake, yada, yada - all the same reasons as for #257.

Dosbox sf2 files install#

After a brief look at patch itself, I have some reservations: MIDI synth should not run in the same process as emulation loop, properties do not use the same naming style as other options, INSTALL documentation is missing, user documentation is missing, build was never tested under Visual Studio, (and more) - all those issues can be easily fixed patch itself is not that big nor invasive, it just needs some work.

All that testing was around version 1.1 though (which is old and hopefully not representative of quality in 2.x).

When developing Boxtron I tested FluidSynth running as application thoroughly… and the results were very mixed - to the point, that I recommend Boxtron users to use Timidity++ by default.

It's old - Fluid is being actively developed and they have 2.x API released already.

Without going into details… there are serious issues with DOSBox MIDI support - the demand for integrating Fluid might be caused by those issues.

I wanted to clean up first, before starting new work in the area.

In the past, I was very hesitant to integrate FluidSynth patch for a number of reasons: It is currently being distributed via ECE. The patch integrating FluidSynth was developed a long time ago (first revision 9 years ago, last revision 3 years ago - it really waits that long for inclusion upstream?).