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https://github.com/alsa-project/alsa-utils
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aplaymidi: Add UMP support
By switching via the new option -u, aplaymidi can behave as a UMP client and output UMP packets instead of legacy sequencer events. As of now, the only supported version is 1. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
parent
64b1d486b1
commit
b399fb85a9
2 changed files with 181 additions and 41 deletions
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@ -31,6 +31,12 @@ Prints a list of possible output ports.
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Sets the sequencer port(s) to which the events in the MIDI file(s) are
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sent.
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.TP
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.I \-u, \-\-ump=version
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Changes the sequencer client to the given MIDI version and outputs via
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the UMP packets instead of legacy sequencer events.
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As of now, the only supported version is 1.
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A client can be specified by its number, its name, or a prefix of its
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name. A port is specified by its number; for port 0 of a client, the
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":0" part of the port specification can be omitted.
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@ -30,6 +30,9 @@
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#include <alsa/asoundlib.h>
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#include "aconfig.h"
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#include "version.h"
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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#include <alsa/ump_msg.h>
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#endif
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/*
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* 31.25 kbaud, one start bit, eight data bits, two stop bits.
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@ -75,6 +78,9 @@ static int file_offset; /* current offset in input file */
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static int num_tracks;
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static struct track *tracks;
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static int smpte_timing;
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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static int ump_mode;
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#endif
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/* prints an error message to stderr */
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static void errormsg(const char *msg, ...)
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@ -639,8 +645,130 @@ static void handle_big_sysex(snd_seq_event_t *ev)
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ev->data.ext.len = length;
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}
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static int fill_legacy_event(struct event* event, snd_seq_event_t *ev)
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{
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ev->type = event->type;
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switch (ev->type) {
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case SND_SEQ_EVENT_NOTEON:
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case SND_SEQ_EVENT_NOTEOFF:
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case SND_SEQ_EVENT_KEYPRESS:
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snd_seq_ev_set_fixed(ev);
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ev->data.note.channel = event->data.d[0];
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ev->data.note.note = event->data.d[1];
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ev->data.note.velocity = event->data.d[2];
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break;
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case SND_SEQ_EVENT_CONTROLLER:
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snd_seq_ev_set_fixed(ev);
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ev->data.control.channel = event->data.d[0];
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ev->data.control.param = event->data.d[1];
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ev->data.control.value = event->data.d[2];
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break;
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case SND_SEQ_EVENT_PGMCHANGE:
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case SND_SEQ_EVENT_CHANPRESS:
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snd_seq_ev_set_fixed(ev);
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ev->data.control.channel = event->data.d[0];
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ev->data.control.value = event->data.d[1];
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break;
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case SND_SEQ_EVENT_PITCHBEND:
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snd_seq_ev_set_fixed(ev);
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ev->data.control.channel = event->data.d[0];
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ev->data.control.value = ((event->data.d[1]) |
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((event->data.d[2]) << 7)) - 0x2000;
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break;
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case SND_SEQ_EVENT_SYSEX:
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snd_seq_ev_set_variable(ev, event->data.length, event->sysex);
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handle_big_sysex(ev);
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break;
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default:
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fatal("Invalid event type %d!", ev->type);
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}
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return 0;
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}
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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static unsigned char to_ump_status(unsigned char ev_type)
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{
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switch (ev_type) {
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case SND_SEQ_EVENT_NOTEON:
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return SND_UMP_MSG_NOTE_ON;
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case SND_SEQ_EVENT_NOTEOFF:
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return SND_UMP_MSG_NOTE_OFF;
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case SND_SEQ_EVENT_KEYPRESS:
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return SND_UMP_MSG_POLY_PRESSURE;
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case SND_SEQ_EVENT_CONTROLLER:
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return SND_UMP_MSG_CONTROL_CHANGE;
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case SND_SEQ_EVENT_PGMCHANGE:
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return SND_UMP_MSG_PROGRAM_CHANGE;
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case SND_SEQ_EVENT_CHANPRESS:
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return SND_UMP_MSG_CHANNEL_PRESSURE;
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case SND_SEQ_EVENT_PITCHBEND:
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return SND_UMP_MSG_PITCHBEND;
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default:
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return 0;
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}
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}
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static int fill_ump_event(struct event* event, snd_seq_ump_event_t *ump_ev,
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const snd_seq_event_t *ev)
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{
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snd_ump_msg_midi1_t ump = {};
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unsigned char status = to_ump_status(event->type);
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memcpy(ump_ev, ev, sizeof(*ev));
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if (!status)
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return 0; /* handle as is */
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ump.note_on.type = SND_UMP_MSG_TYPE_MIDI1_CHANNEL_VOICE;
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switch (event->type) {
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case SND_SEQ_EVENT_NOTEON:
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/* correct the note-on with velocity 0 to note-off;
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* UMP may handle velocity 0 differently
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*/
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if (!ev->data.note.velocity)
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status = SND_UMP_MSG_NOTE_OFF;
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/* fallthrough */
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case SND_SEQ_EVENT_NOTEOFF:
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case SND_SEQ_EVENT_KEYPRESS:
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ump.note_on.status = status;
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ump.note_on.channel = event->data.d[0];
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ump.note_on.note = event->data.d[1];
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ump.note_on.velocity = event->data.d[2];
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break;
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case SND_SEQ_EVENT_CONTROLLER:
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ump.control_change.status = status;
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ump.control_change.channel = event->data.d[0];
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ump.control_change.index = event->data.d[1];
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ump.control_change.data = event->data.d[2];
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break;
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case SND_SEQ_EVENT_PGMCHANGE:
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ump.program_change.status = status;
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ump.program_change.channel = event->data.d[0];
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ump.program_change.program = event->data.d[1];
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break;
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case SND_SEQ_EVENT_CHANPRESS:
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ump.channel_pressure.status = status;
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ump.channel_pressure.channel = event->data.d[0];
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ump.channel_pressure.data = event->data.d[1];
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break;
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case SND_SEQ_EVENT_PITCHBEND:
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ump.pitchbend.status = status;
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ump.pitchbend.channel = event->data.d[0];
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ump.pitchbend.data_msb = event->data.d[2];
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ump.pitchbend.data_lsb = event->data.d[1];
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break;
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default:
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return 0; /* handle as is */
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}
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snd_seq_ev_set_ump_data(ump_ev, &ump, sizeof(ump));
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return 0;
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}
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#endif /* HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION */
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static void play_midi(void)
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{
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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snd_seq_ump_event_t ump_ev;
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#endif
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snd_seq_event_t ev;
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int i, max_tick, err;
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@ -688,52 +816,28 @@ static void play_midi(void)
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event_track->current_event = event->next;
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/* output the event */
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ev.type = event->type;
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ev.time.tick = event->tick;
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ev.dest = ports[event->port];
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switch (ev.type) {
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case SND_SEQ_EVENT_NOTEON:
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case SND_SEQ_EVENT_NOTEOFF:
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case SND_SEQ_EVENT_KEYPRESS:
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snd_seq_ev_set_fixed(&ev);
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ev.data.note.channel = event->data.d[0];
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ev.data.note.note = event->data.d[1];
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ev.data.note.velocity = event->data.d[2];
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break;
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case SND_SEQ_EVENT_CONTROLLER:
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snd_seq_ev_set_fixed(&ev);
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ev.data.control.channel = event->data.d[0];
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ev.data.control.param = event->data.d[1];
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ev.data.control.value = event->data.d[2];
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break;
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case SND_SEQ_EVENT_PGMCHANGE:
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case SND_SEQ_EVENT_CHANPRESS:
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snd_seq_ev_set_fixed(&ev);
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ev.data.control.channel = event->data.d[0];
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ev.data.control.value = event->data.d[1];
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break;
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case SND_SEQ_EVENT_PITCHBEND:
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snd_seq_ev_set_fixed(&ev);
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ev.data.control.channel = event->data.d[0];
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ev.data.control.value =
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((event->data.d[1]) |
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((event->data.d[2]) << 7)) - 0x2000;
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break;
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case SND_SEQ_EVENT_SYSEX:
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snd_seq_ev_set_variable(&ev, event->data.length,
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event->sysex);
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handle_big_sysex(&ev);
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break;
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case SND_SEQ_EVENT_TEMPO:
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snd_seq_ev_set_fixed(&ev);
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if (event->type == SND_SEQ_EVENT_TEMPO) {
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ev.dest.client = SND_SEQ_CLIENT_SYSTEM;
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ev.dest.port = SND_SEQ_PORT_SYSTEM_TIMER;
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ev.data.queue.queue = queue;
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ev.data.queue.param.value = event->data.tempo;
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break;
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default:
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fatal("Invalid event type %d!", ev.type);
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} else {
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err = fill_legacy_event(event, &ev);
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if (err < 0)
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continue;
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}
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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if (ump_mode) {
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err = fill_ump_event(event, &ump_ev, &ev);
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if (err < 0)
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continue;
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err = snd_seq_ump_event_output(seq, &ump_ev);
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check_snd("output event", err);
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continue;
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}
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#endif
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/* this blocks when the output pool has been filled */
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err = snd_seq_event_output(seq, &ev);
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@ -851,6 +955,9 @@ static void usage(const char *argv0)
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"-V, --version print current version\n"
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"-l, --list list all possible output ports\n"
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"-p, --port=client:port,... set port(s) to play to\n"
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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"-u, --ump=version UMP output (only version=1 is supported)\n"
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#endif
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"-d, --delay=seconds delay after song ends\n",
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argv0);
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}
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@ -860,18 +967,28 @@ static void version(void)
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puts("aplaymidi version " SND_UTIL_VERSION_STR);
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}
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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#define OPTIONS "hVlp:d:u:"
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#else
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#define OPTIONS "hVlp:d:"
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#endif
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int main(int argc, char *argv[])
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{
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static const char short_options[] = "hVlp:d:";
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static const char short_options[] = OPTIONS;
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static const struct option long_options[] = {
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{"help", 0, NULL, 'h'},
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{"version", 0, NULL, 'V'},
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{"list", 0, NULL, 'l'},
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{"port", 1, NULL, 'p'},
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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{"ump", 1, NULL, 'u'},
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#endif
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{"delay", 1, NULL, 'd'},
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{0}
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};
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int c;
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int c, err;
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int do_list = 0;
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init_seq();
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@ -894,12 +1011,29 @@ int main(int argc, char *argv[])
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case 'd':
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end_delay = atoi(optarg);
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break;
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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case 'u':
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if (strcmp(optarg, "1")) {
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errormsg("Only MIDI 1.0 is supported");
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return 1;
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}
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ump_mode = 1;
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break;
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#endif
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default:
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usage(argv[0]);
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return 1;
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}
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}
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#ifdef HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION
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if (ump_mode) {
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err = snd_seq_set_client_midi_version(seq, SND_SEQ_CLIENT_UMP_MIDI_1_0);
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check_snd("set midi version", err);
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}
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#endif
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if (do_list) {
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list_ports();
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} else {
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