// preferred setting (provided by plugin_insert)
const int preferred_out = out.n_audio ();
- int midi_out = _has_midi_output ? 1 : 0;
+ int midi_out = -1;
int audio_out = -1;
float penalty = 9999;
bool found = false;
-#define FOUNDCFG(nch) { \
- float p = fabsf ((float)(nch) - preferred_out); \
- _output_configs.insert (nch); \
- if ((nch) > preferred_out) { p *= 1.1; } \
- if (p < penalty) { \
- audio_out = (nch); \
- penalty = p; \
- found = true; \
- } \
+#define FOUNDCFG_PENALTY(in, out, p) { \
+ _output_configs.insert (out); \
+ if (p < penalty) { \
+ audio_out = (out); \
+ midi_out = possible_midiout; \
+ if (imprecise) { \
+ imprecise->set (DataType::AUDIO, (in)); \
+ imprecise->set (DataType::MIDI, possible_midiin); \
+ } \
+ penalty = p; \
+ found = true; \
+ } \
}
-#define ANYTHINGGOES \
+#define FOUNDCFG_IMPRECISE(in, out) { \
+ const float p = fabsf ((float)(out) - preferred_out) * \
+ (((out) > preferred_out) ? 1.1 : 1) \
+ + fabsf ((float)(in) - audio_in) * \
+ (((in) > audio_in) ? 275 : 250); \
+ FOUNDCFG_PENALTY(in, out, p); \
+}
+
+#define FOUNDCFG(out) \
+ FOUNDCFG_IMPRECISE(audio_in, out)
+
+#define ANYTHINGGOES \
_output_configs.insert (0);
-#define UPTO(nch) { \
- for (int n = 1; n < nch; ++n) { \
- _output_configs.insert (n); \
- } \
+#define UPTO(nch) { \
+ for (int n = 1; n < nch; ++n) { \
+ _output_configs.insert (n); \
+ } \
}
+ if (imprecise) {
+ *imprecise = in;
+ }
+
for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
luabridge::LuaRef io (i.value ());
if (!io.isTable()) {
int possible_in = io["audio_in"].isNumber() ? io["audio_in"] : -1;
int possible_out = io["audio_out"].isNumber() ? io["audio_out"] : -1;
int possible_midiin = _has_midi_input ? 1 : 0;
+ int possible_midiout = _has_midi_output ? 1 : 0;
if (midi_in > 0 && possible_midiin == 0 && !imprecise) {
continue;
// exact match
if ((possible_in == audio_in) && (possible_out == preferred_out)) {
- _output_configs.insert (preferred_out);
- audio_out = preferred_out;
/* Set penalty so low that this output configuration
* will trump any other one */
- penalty = -1;
- found = true;
+ FOUNDCFG_PENALTY(audio_in, preferred_out, -1);
}
// "imprecise" matches
if (possible_out == 0) {
- if (possible_in == 0) {
- if (_has_midi_output && audio_in == 0) {
- // special case midi filters & generators
- audio_out = 0;
- found = true;
+ /* skip configurations with no audio output, unless
+ * the plugin is a midi filter or generator */
+ if (possible_in == 0 && _has_midi_output) {
+ if (audio_in == 0) {
+ FOUNDCFG(possible_out);
break;
+ } else if (imprecise) {
+ // TODO hide audio input from plugin
+ FOUNDCFG_IMPRECISE (possible_in, possible_out);
}
}
continue;
}
- if (possible_in == 0) {
- /* no inputs, generators & instruments */
- if (possible_out == -1) {
- /* any configuration possible, stereo output */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out == -2) {
- /* invalid, should be (0, -1) */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out < -2) {
- /* variable number of outputs up to -N, */
- FOUNDCFG (min (-possible_out, preferred_out));
- UPTO (-possible_out);
- } else {
- /* exact number of outputs */
- FOUNDCFG (possible_out);
- }
- }
-
- if (possible_in == -1) {
+ if (possible_in == -1 || possible_in == -2) {
/* wildcard for input */
- if (possible_out == -1) {
- /* out must match in */
+ if (possible_out == possible_in) {
+ /* either both -1 or both -2 (invalid and
+ * interpreted as both -1): out must match in */
FOUNDCFG (audio_in);
- } else if (possible_out == -2) {
- /* any configuration possible, pick matching */
+ } else if (possible_out == -3 - possible_in) {
+ /* one is -1, the other is -2: any output configuration
+ * possible, pick what the insert prefers */
FOUNDCFG (preferred_out);
ANYTHINGGOES;
} else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick maximum */
- FOUNDCFG (max (-possible_out, preferred_out));
- /* and try min, too, in case the penalty is lower */
+ /* variable number of outputs up to -N,
+ * invalid if in == -2 but we accept it anyway */
FOUNDCFG (min (-possible_out, preferred_out));
UPTO (-possible_out)
} else {
}
}
- if (possible_in == -2) {
- if (possible_out == -1) {
- /* any configuration possible, pick matching */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out == -2) {
- /* invalid. interpret as (-1, -1) */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out < -2) {
- /* invalid, interpret as (<-2, <-2)
- * variable number of outputs up to -N, */
- FOUNDCFG (min (-possible_out, preferred_out));
- UPTO (-possible_out)
- } else {
- /* exact number of outputs */
- FOUNDCFG (possible_out);
- }
- }
-
- if (possible_in < -2) {
- /* explicit variable number of inputs */
- if (audio_in > -possible_in && imprecise == NULL) {
- /* request is too large */
- } else if (possible_out == -1) {
- /* any output configuration possible */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out == -2) {
- /* invalid. interpret as (<-2, -1) */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out < -2) {
- /* variable number of outputs up to -N, */
- FOUNDCFG (min (-possible_out, preferred_out));
- UPTO (-possible_out)
+ if (possible_in < -2 || possible_in >= 0) {
+ /* specified number, exact or up to */
+ int desired_in;
+ if (possible_in >= 0) {
+ /* configuration can only match possible_in */
+ desired_in = possible_in;
} else {
- /* exact number of outputs */
- FOUNDCFG (possible_out);
+ /* configuration can match up to -possible_in */
+ desired_in = min (-possible_in, audio_in);
}
- }
-
- if (possible_in && (possible_in == audio_in)) {
- /* exact number of inputs ... must match obviously */
- if (possible_out == -1) {
- /* any output configuration possible */
- FOUNDCFG (preferred_out);
- ANYTHINGGOES;
- } else if (possible_out == -2) {
- /* invalid. interpret as (>0, -1) */
- FOUNDCFG (preferred_out);
+ if (!imprecise && audio_in != desired_in) {
+ /* skip that configuration, it cannot match
+ * the required audio input count, and we
+ * cannot ask for change via \imprecise */
+ } else if (possible_out == -1 || possible_out == -2) {
+ /* any output configuration possible
+ * out == -2 is invalid, interpreted as out == -1.
+ * Really imprecise only if desired_in != audio_in */
+ FOUNDCFG_IMPRECISE (desired_in, preferred_out);
ANYTHINGGOES;
} else if (possible_out < -2) {
- /* > 0, < -2 is not specified
- * interpret as up to -N */
- FOUNDCFG (min (-possible_out, preferred_out));
+ /* variable number of outputs up to -N
+ * not specified if in > 0, but we accept it anyway.
+ * Really imprecise only if desired_in != audio_in */
+ FOUNDCFG_IMPRECISE (desired_in, min (-possible_out, preferred_out));
UPTO (-possible_out)
} else {
- /* exact number of outputs */
- FOUNDCFG (possible_out);
- }
- }
- }
-
- if (found && imprecise) {
- *imprecise = in;
- }
-
- if (!found && imprecise) {
- /* try harder */
- for (luabridge::Iterator i (iotable); !i.isNil (); ++i) {
- luabridge::LuaRef io (i.value ());
- if (!io.isTable()) {
- continue;
- }
-
- int possible_in = io["audio_in"].isNumber() ? io["audio_in"] : -1;
- int possible_out = io["audio_out"].isNumber() ? io["audio_out"] : -1;
-
- if (possible_out == 0 && possible_in == 0 && _has_midi_output) {
- assert (audio_in > 0); // no input is handled above
- // TODO hide audio input from plugin
- imprecise->set (DataType::AUDIO, 0);
- audio_out = 0;
- found = true;
- continue;
- }
-
- assert (possible_in > 0); // all other cases will have been matched above
-
- imprecise->set (DataType::AUDIO, possible_in);
- if (possible_out == -1 || possible_out == -2) {
- FOUNDCFG (2);
- } else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick maximum */
- FOUNDCFG (min (-possible_out, preferred_out));
- } else {
- /* exact number of outputs */
- FOUNDCFG (possible_out);
+ /* exact number of outputs
+ * Really imprecise only if desired_in != audio_in */
+ FOUNDCFG_IMPRECISE (desired_in, possible_out);
}
// ideally we'll also find the closest, best matching
// input configuration with minimal output penalty...
}
+
}
if (!found) {
}
if (imprecise) {
- imprecise->set (DataType::MIDI, _has_midi_input ? 1 : 0);
_selected_in = *imprecise;
} else {
_selected_in = in;
projects / ardour.git / blobdiff