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cmd midi seems to work

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This commit is contained in:
Stefano D'Angelo 2024-01-28 10:28:07 +01:00
parent 2a6619fa5d
commit 958704bcd0
3 changed files with 83 additions and 56 deletions
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2
templates/android/src/jni.cpp
View File

@ -211,7 +211,7 @@ static void data_callback(ma_device* pDevice, void* pOutput, const void* pInput,
x_buf[BLOCK_SIZE * k + j] = in_buf[ix];
#endif
#if (NUM_NON_OPT_CHANNELS_IN > NUM_CHANNELS_IN) || (NUM_NON_OPT_CHANNELS_OUT > NUM_CHANNELS_OUT)
#if NUM_NON_OPT_CHANNELS_IN > NUM_CHANNELS_IN
memset(zero, 0, BLOCK_SIZE * sizeof(float));
#endif

2
templates/cmd/src/data.h
View File

@ -11,6 +11,8 @@
#define NUM_ALL_CHANNELS_IN {{=it.product.buses.filter(x => x.type == "audio" && x.direction == "input").reduce((a, x) => a + (x.channels == "mono" ? 1 : 2), 0)}}
#define NUM_ALL_CHANNELS_OUT {{=it.product.buses.filter(x => x.type == "audio" && x.direction == "output").reduce((a, x) => a + (x.channels == "mono" ? 1 : 2), 0)}}
#define MIDI_BUS_IN {{=it.product.buses.findIndex(x => x.type == "midi" && x.direction == "input")}}
#define NUM_MIDI_INPUTS {{=it.product.buses.filter(x => x.type == "midi" && x.direction == "input").length}}
#define MIDI_BUS_IN {{=it.product.buses.findIndex(x => x.type == "midi" && x.direction == "input")}}

135
templates/cmd/src/main.c
View File

@ -49,9 +49,11 @@ const char * outfile = NULL;
const char * midifile = NULL;
void * midi_data = NULL;
struct midi_parser midi_parser;
enum midi_parser_status midi_status;
int16_t midi_ticks = 0;
uint32_t midi_tempo = 500000; // microseconds per quarter-note -> 120 bpm
enum midi_parser_status midi_status;
double midi_next;
char midi_next_read;
#endif
void usage(const char * argv0) {
@ -403,40 +405,31 @@ int main(int argc, char * argv[]) {
midi_parser.size = midi_data_size;
midi_parser.in = midi_data;
char done = 0;
while (!done) {
midi_status = midi_parse(&midi_parser);
switch (midi_status) {
case MIDI_PARSER_EOB:
done = 1;
break;
case MIDI_PARSER_ERROR:
fprintf(stderr, "Error while parsing MIDI file\n");
goto err_midi_parse;
break;
case MIDI_PARSER_HEADER:
if (midi_parser.header.format != 0) {
fprintf(stderr, "Only MIDI file format 0 is supported\n");
goto err_midi_parse;
}
if ((midi_parser.header.time_division & 0x80) != 0x80) {
fprintf(stderr, "Only ticks per quarter-note time division is supported when reading MIDI files\n");
goto err_midi_parse;
}
if (midi_parser.header.time_division == 0) {
fprintf(stderr, "Invalid 0 tick per quarter-note in MIDI file\n");
goto err_midi_parse;
}
midi_ticks = midi_parser.header.time_division;
break;
case MIDI_PARSER_TRACK_META:
case MIDI_PARSER_TRACK_MIDI:
done = 1;
break;
default:
break;
}
midi_status = midi_parse(&midi_parser);
if (midi_status != MIDI_PARSER_HEADER) {
fprintf(stderr, "Header not found in MIDI file\n");
goto err_midi_parse;
}
if (midi_parser.header.format != 0) {
fprintf(stderr, "Only MIDI file format 0 is supported\n");
goto err_midi_parse;
}
if ((midi_parser.header.time_division & 0x80) != 0x80) {
fprintf(stderr, "Only ticks per quarter-note time division is supported when reading MIDI files\n");
goto err_midi_parse;
}
if (midi_parser.header.time_division == 0) {
fprintf(stderr, "Invalid 0 tick per quarter-note in MIDI file\n");
goto err_midi_parse;
}
midi_ticks = midi_parser.header.time_division;
midi_next = 0.0;
midi_next_read = 1;
} else {
midi_status = MIDI_PARSER_EOB;
midi_next = 0.0;
midi_next_read = 0;
}
#endif
@ -451,44 +444,76 @@ int main(int argc, char * argv[]) {
int32_t n = tinywav_read_f(&tw_in, x, bufsize);
if (n == 0)
break;
#if (NUM_NON_OPT_CHANNELS_IN > NUM_CHANNELS_IN) || (NUM_NON_OPT_CHANNELS_OUT > NUM_CHANNELS_OUT)
# if NUM_NON_OPT_CHANNELS_IN > NUM_CHANNELS_IN
memset(zero, 0, bufsize * sizeof(float));
#endif
plugin_process(&instance, (const float **)x, y, n);
# if PARAMETERS_N > 0
for (size_t j = 0; j < PARAMETERS_N; j++) {
if (!param_data[j].out)
continue;
param_values[j] = plugin_get_parameter(&instance, j);
printf(" %s: %g\n", param_data[j].id, param_values[j]);
}
# endif
# if NUM_CHANNELS_OUT > 0
tinywav_write_f(&tw_out, y, n);
# endif
}
#else
size_t i = 0;
size_t len = (size_t)(tw_in.h.SampleRate * length + 0.5f);
while (i < len) {
size_t left = len - i;
size_t n = left > bufsize ? bufsize : left;
#endif
#if NUM_MIDI_INPUTS > 0
while (1) {
if (midi_next > 0.0)
break;
else if (midi_next_read == 0) {
if (midi_status == MIDI_PARSER_TRACK_META && midi_parser.meta.type == MIDI_META_SET_TEMPO)
midi_tempo = (midi_parser.meta.bytes[0] << 16) | (midi_parser.meta.bytes[1] << 8) | midi_parser.meta.bytes[2];
else if (midi_status == MIDI_PARSER_TRACK_MIDI) {
uint8_t data[3] = { (midi_parser.midi.status << 4) | midi_parser.midi.channel, midi_parser.midi.param1, midi_parser.midi.param2 };
plugin_midi_msg_in(&instance, MIDI_BUS_IN, data);
}
midi_next_read = 1;
}
if (midi_status == MIDI_PARSER_EOB)
break;
midi_status = midi_parse(&midi_parser);
switch (midi_status) {
case MIDI_PARSER_ERROR:
case MIDI_PARSER_HEADER:
fprintf(stderr, "Error while parsing MIDI file\n");
goto err_midi_parse;
break;
case MIDI_PARSER_TRACK_META:
case MIDI_PARSER_TRACK_MIDI:
case MIDI_PARSER_TRACK_SYSEX:
midi_next += ((double)midi_tempo / (double)midi_ticks) * midi_parser.vtime;
midi_next_read = 0;
break;
default:
break;
}
}
midi_next -= 1e6 * ((double)n / (double)tw_in.h.SampleRate);
#endif
plugin_process(&instance, (const float **)x, y, n);
# if PARAMETERS_N > 0
#if PARAMETERS_N > 0
for (size_t j = 0; j < PARAMETERS_N; j++) {
if (!param_data[j].out)
continue;
param_values[j] = plugin_get_parameter(&instance, j);
printf(" %s: %g\n", param_data[j].id, param_values[j]);
}
# endif
# if NUM_CHANNELS_OUT > 0
tinywav_write_f(&tw_out, y, n);
# endif
i += n;
}
#endif
#if NUM_CHANNELS_OUT > 0
tinywav_write_f(&tw_out, y, n);
#endif
#if NUM_CHANNELS_IN == 0
i += n;
#endif
}
exit_code = EXIT_SUCCESS;
#if NUM_CHANNELS_OUT > 0