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-rw-r--r--drumgizmo/drumgizmoc.cc73
1 files changed, 71 insertions, 2 deletions
diff --git a/drumgizmo/drumgizmoc.cc b/drumgizmo/drumgizmoc.cc
index 42a5d9a..93b8e31 100644
--- a/drumgizmo/drumgizmoc.cc
+++ b/drumgizmo/drumgizmoc.cc
@@ -72,7 +72,7 @@ static std::string copyright()
return output.str();
}
-static std::string usage(std::string name)
+static std::string usage(const std::string& name)
{
std::ostringstream output;
output <<
@@ -96,7 +96,8 @@ static std::string usage(std::string name)
" -i, --inputengine dummy|test|jackmidi|midifile Use said event "
"input engine.\n"
- " -I, --inputparms parmlist Set input engine parameters.\n"
+ " -I, --inputparms parmlist\n"
+ " Set input engine parameters.\n"
" -o, --outputengine dummy|alsa|jackaudio|wavfile Use said audio "
"output engine.\n"
" -O, --outputparms parmlist Set output engine parameters.\n"
@@ -114,6 +115,8 @@ static std::string usage(std::string name)
" use this with a real-time drumkit.\n"
" -T, --timing-humanizerparms parmlist\n"
" Timing humanizer options.\n"
+ " -p, --parameters parmlist\n"
+ " Parameters for sample selection algoritm."
" -v, --version Print version information and exit.\n"
" -h, --help Print this message and exit.\n"
"\n"
@@ -148,6 +151,16 @@ static std::string usage(std::string name)
" laidback: Move notes ahead or behind in time in ms [+/-100].\n"
" tightness: Control the tightness of the drummer. [0; 1].\n"
" regain: Control how fast the drummer catches up the timing. [0; 1]\n"
+ "\n"
+ "Sample selection parameters:\n"
+ " close: The importance given to choosing a sample close to\n"
+ " the actual velocity value (after humanization) [0; 16].\n"
+ " diverse: The importance given to choosing samples\n"
+ " which haven't been played recently [0; 0.5].\n"
+ " random: The amount of randomness added [0; 0.5].\n"
+ " stddev: The standard-deviation for the sample selection.\n"
+ " Higher value makes it more likely that a sample further\n"
+ " away from the input velocity will be played [0; 4.5].\n"
"\n";
return output.str();
}
@@ -423,6 +436,62 @@ int main(int argc, char* argv[])
}
});
+ opt.add("parameters", required_argument, 'p', [&]() {
+ std::string parms = optarg;
+ auto tokens = parseParameters(parms);
+ for(auto &token : tokens)
+ {
+ if(token.key == "close")
+ {
+ // Input range [0; 16]
+ auto val = atof_nol(token.value.data());
+ if(val < 0 || val > 16)
+ {
+ std::cerr << "close range is [0; 16].\n";
+ exit(1);
+ }
+ settings.sample_selection_f_close.store(val);
+ }
+ else if(token.key == "diverse")
+ {
+ // Input range [0; 0.5]
+ auto val = atof_nol(token.value.data());
+ if(val < 0.0 || val > 0.5)
+ {
+ std::cerr << "diverse range is [0; 0.5].\n";
+ exit(1);
+ }
+ settings.sample_selection_f_diverse.store(val);
+ }
+ else if(token.key == "random")
+ {
+ auto val = atof_nol(token.value.data());
+ if(val < 0.0 || val > 0.5)
+ {
+ std::cerr << "random range is [0; 0.5].\n";
+ exit(1);
+ }
+ settings.sample_selection_f_random.store(val);
+ }
+ else if(token.key == "stddev")
+ {
+ auto val = atof_nol(token.value.data());
+ if(val < 0.0 || val > 4.5)
+ {
+ std::cerr << "stddev range is [0; 4.5].\n";
+ exit(1);
+ }
+ settings.velocity_stddev.store(val);
+ }
+ else
+ {
+ std::cerr << "Unknown timing-humanizerparms argument " << token.key <<
+ std::endl;
+ exit(1);
+ }
+ }
+ });
+
opt.add("version", no_argument, 'v', [&]() {
std::cout << version();
std::cout << copyright();