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authorChristian Glöckner <cgloeckner@freenet.de>2016-01-25 14:14:22 +0100
committerAndré Nusser <andre.nusser@googlemail.com>2016-02-09 09:03:17 +0100
commit100e2d3bd46f64df730c8a375559680c577036ef (patch)
tree952e0ce0a1c5b6efb792c50617baa1484ba51e39 /drumgizmo/input/midifile.cc
parente5a773e80bee619987aacd40cc3205acfe146e9c (diff)
applied clang-format
Diffstat (limited to 'drumgizmo/input/midifile.cc')
-rw-r--r--drumgizmo/input/midifile.cc166
1 files changed, 94 insertions, 72 deletions
diff --git a/drumgizmo/input/midifile.cc b/drumgizmo/input/midifile.cc
index c9aeaf8..0cc9dea 100644
--- a/drumgizmo/input/midifile.cc
+++ b/drumgizmo/input/midifile.cc
@@ -31,116 +31,131 @@
int const NOTE_ON = 0x90;
MidifileInputEngine::MidifileInputEngine()
- : smf{nullptr}
- , current_event{nullptr}
- , file{}
- , midimap{}
- , speed{1.f}
- , track{-1} // all tracks
- , loop{false}
- , offset{0.0} {
+ : smf{nullptr}, current_event{nullptr}, file{}, midimap{}, speed{1.f},
+ track{-1} // all tracks
+ ,
+ loop{false}, offset{0.0}
+{
}
-MidifileInputEngine::~MidifileInputEngine() {
- if (smf != nullptr) {
+MidifileInputEngine::~MidifileInputEngine()
+{
+ if (smf != nullptr)
+ {
smf_delete(smf);
}
}
-bool MidifileInputEngine::isMidiEngine() {
- return true;
-}
+bool MidifileInputEngine::isMidiEngine() { return true; }
-bool MidifileInputEngine::init(Instruments& instruments) {
- if (file == "") {
+bool MidifileInputEngine::init(Instruments &instruments)
+{
+ if (file == "")
+ {
std::cerr << "[MidifileInputEngine] Missing midi filename\n";
return false;
}
- if (midimap == "") {
+ if (midimap == "")
+ {
std::cerr << "[MidifileInputEngine] Missing midimap filename\n";
return false;
}
smf = smf_load(file.c_str());
- if (smf == nullptr) {
- std::cerr << "[MidifileInputEngine] Failed to load midifile '"
- << file << "'\n";
+ if (smf == nullptr)
+ {
+ std::cerr << "[MidifileInputEngine] Failed to load midifile '" << file
+ << "'\n";
return false;
}
MidiMapParser p{midimap};
- if (p.parse()) {
- std::cerr << "[MidifileInputEngine] Failed to parse midimap '"
- << midimap << "'\n";
+ if (p.parse())
+ {
+ std::cerr << "[MidifileInputEngine] Failed to parse midimap '" << midimap
+ << "'\n";
return false;
}
midi_mapper.midimap = p.midimap;
- for (auto i = 0u; i < instruments.size(); ++i) {
+ for (auto i = 0u; i < instruments.size(); ++i)
+ {
auto name = instruments[i]->name();
midi_mapper.instrmap[name] = i;
}
return true;
}
-void MidifileInputEngine::setParm(std::string parm, std::string value) {
- if(parm == "file") {
+void MidifileInputEngine::setParm(std::string parm, std::string value)
+{
+ if (parm == "file")
+ {
// apply midi input filename
file = value;
-
- } else if(parm == "speed") {
+ }
+ else if (parm == "speed")
+ {
// try to apply speed
- try {
+ try
+ {
speed = std::stof(value);
- } catch (...) {
- std::cerr << "[MidifileInputEngine] Invalid speed "
- << value << "\n";
}
- } else if (parm == "midimap") {
+ catch (...)
+ {
+ std::cerr << "[MidifileInputEngine] Invalid speed " << value << "\n";
+ }
+ }
+ else if (parm == "midimap")
+ {
// apply midimap filename
midimap = value;
-
- } else if (parm == "loop") {
+ }
+ else if (parm == "loop")
+ {
// apply looping
loop = true;
-
- } else {
- std::cerr << "[MidifileInputEngine] Unsupported parameter '"
- << parm << "'\n";
+ }
+ else
+ {
+ std::cerr << "[MidifileInputEngine] Unsupported parameter '" << parm
+ << "'\n";
}
}
-bool MidifileInputEngine::start() {
- return true;
-}
+bool MidifileInputEngine::start() { return true; }
-void MidifileInputEngine::stop() {
-}
+void MidifileInputEngine::stop() {}
-void MidifileInputEngine::pre() {
-}
+void MidifileInputEngine::pre() {}
-event_t* MidifileInputEngine::run(size_t pos, size_t len, size_t *nevents) {
- event_t* evs{nullptr};
+event_t *MidifileInputEngine::run(size_t pos, size_t len, size_t *nevents)
+{
+ event_t *evs{nullptr};
size_t num_events{0u};
-
+
double current_max_time = (1.0 + pos + len) / (44100.0 / speed);
current_max_time -= offset;
// double cur_min_time = (double)(pos) / (44100.0 / speed);
-
- if(!current_event) {
+
+ if (!current_event)
+ {
current_event = smf_get_next_event(smf);
}
-
- while(current_event && current_event->time_seconds < current_max_time) {
- if(!smf_event_is_metadata(current_event)) {
- if( (current_event->midi_buffer_length == 3) &&
- ((current_event->midi_buffer[0] & NOTE_ON) == NOTE_ON) &&
- (track == -1 || current_event->track_number == track) &&
- current_event->midi_buffer[2] > 0) {
-
- if(evs == nullptr) {
- printf("Owning raw pointer at drumgizmo/input/midifile.cc - GET RID OF THEM!\n");
+
+ while (current_event && current_event->time_seconds < current_max_time)
+ {
+ if (!smf_event_is_metadata(current_event))
+ {
+ if ((current_event->midi_buffer_length == 3) &&
+ ((current_event->midi_buffer[0] & NOTE_ON) == NOTE_ON) &&
+ (track == -1 || current_event->track_number == track) &&
+ current_event->midi_buffer[2] > 0)
+ {
+
+ if (evs == nullptr)
+ {
+ printf("Owning raw pointer at drumgizmo/input/midifile.cc - GET RID "
+ "OF THEM!\n");
evs = (event_t *)malloc(sizeof(event_t) * 1000);
}
-
+
int key = current_event->midi_buffer[1];
int velocity = current_event->midi_buffer[2];
@@ -149,29 +164,37 @@ event_t* MidifileInputEngine::run(size_t pos, size_t len, size_t *nevents) {
evs[num_events].offset = evpos - pos;
int i = midi_mapper.lookup(key);
- if(i != -1) {
+ if (i != -1)
+ {
evs[num_events].instrument = i;
evs[num_events].velocity = velocity / 127.0;
-
+
++num_events;
- if(num_events > 999) {
+ if (num_events > 999)
+ {
fprintf(stderr, "PANIC!\n");
break;
}
}
}
}
-
+
current_event = smf_get_next_event(smf);
}
- if(!current_event) {
- if(loop) {
+ if (!current_event)
+ {
+ if (loop)
+ {
smf_rewind(smf);
offset += current_max_time;
- } else {
- if(evs == nullptr) {
- printf("Owning raw pointer at drumgizmo/input/midifile.cc - GET RID OF THEM!\n");
+ }
+ else
+ {
+ if (evs == nullptr)
+ {
+ printf("Owning raw pointer at drumgizmo/input/midifile.cc - GET RID OF "
+ "THEM!\n");
evs = (event_t *)malloc(sizeof(event_t) * 1000);
}
evs[num_events].type = TYPE_STOP;
@@ -183,5 +206,4 @@ event_t* MidifileInputEngine::run(size_t pos, size_t len, size_t *nevents) {
return evs;
}
-void MidifileInputEngine::post() {
-}
+void MidifileInputEngine::post() {}