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tools: add sysex play option in pw-cat

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This makes it possible to upload raw midi (sysex) into the graph.
This commit is contained in:
Wim Taymans 2025-05-23 16:49:17 +02:00
parent 564c9b1ba5
commit 737ca4ee7b
2 changed files with 61 additions and 2 deletions
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1
src/tools/meson.build
View file

@ -59,6 +59,7 @@ if get_option('pw-cat').allowed() and sndfile_dep.found()
'pw-midirecord',
'pw-dsdplay',
'pw-encplay',
'pw-sysex',
]
pw_cat = executable('pw-cat',

62
src/tools/pw-cat.c
View file

@ -102,6 +102,7 @@ struct data {
#define TYPE_DSD 2
#ifdef HAVE_PW_CAT_FFMPEG_INTEGRATION
#define TYPE_ENCODED 3
#define TYPE_SYSEX 4
#endif
int data_type;
bool raw;
@ -162,6 +163,9 @@ struct data {
int64_t accumulated_excess_playtime;
} encoded;
#endif
struct {
FILE *file;
} sysex;
};
#define STR_FMTS "(ulaw|alaw|u8|s8|s16|s32|f32|f64)"
@ -942,6 +946,7 @@ static const struct option long_options[] = {
{ "midi", no_argument, NULL, 'm' },
{ "dsd", no_argument, NULL, 'd' },
{ "encoded", no_argument, NULL, 'o' },
{ "sysex", no_argument, NULL, 's' },
{ "remote", required_argument, NULL, 'R' },
@ -1020,6 +1025,7 @@ static void show_usage(const char *name, bool is_error)
#ifdef HAVE_PW_CAT_FFMPEG_INTEGRATION
" -o, --encoded Encoded mode\n"
#endif
" -s, --sysex SysEx mode\n"
"\n"), fp);
}
}
@ -1163,6 +1169,47 @@ static int setup_midifile(struct data *data)
return 0;
}
static int sysex_play(struct data *d, void *dst, unsigned int n_frames, bool *null_frame)
{
struct spa_pod_builder b;
struct spa_pod_frame f;
size_t size, to_read = n_frames - 64;
uint8_t bytes[to_read];
spa_zero(b);
spa_pod_builder_init(&b, dst, n_frames);
spa_pod_builder_push_sequence(&b, &f, 0);
spa_pod_builder_control(&b, 0, SPA_CONTROL_Midi);
size = fread(bytes, 1, to_read, d->sysex.file);
spa_pod_builder_bytes(&b, bytes, size);
spa_pod_builder_pop(&b, &f);
return b.state.offset;
}
static int setup_sysex(struct data *data)
{
if (data->mode == mode_record)
return -ENOTSUP;
data->sysex.file = fopen(data->filename, "r");
if (data->sysex.file == NULL) {
fprintf(stderr, "sysex: can't read file '%s': %m\n", data->filename);
return -errno;
}
if (data->verbose)
fprintf(stderr, "sysex: opened file \"%s\"\n", data->filename);
data->fill = sysex_play;
data->stride = 1;
return 0;
}
struct dsd_layout_info {
uint32_t type;
struct spa_audio_layout_info info;
@ -1672,6 +1719,9 @@ int main(int argc, char *argv[])
} else if (spa_streq(prog, "pw-midirecord")) {
data.mode = mode_record;
data.data_type = TYPE_MIDI;
} else if (spa_streq(prog, "pw-sysex")) {
data.mode = mode_playback;
data.data_type = TYPE_SYSEX;
} else if (spa_streq(prog, "pw-dsdplay")) {
data.mode = mode_playback;
data.data_type = TYPE_DSD;
@ -1697,9 +1747,9 @@ int main(int argc, char *argv[])
}
#ifdef HAVE_PW_CAT_FFMPEG_INTEGRATION
while ((c = getopt_long(argc, argv, "hvprmdoR:q:P:a", long_options, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "hvprmdosR:q:P:a", long_options, NULL)) != -1) {
#else
while ((c = getopt_long(argc, argv, "hvprmdR:q:P:a", long_options, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "hvprmdsR:q:P:a", long_options, NULL)) != -1) {
#endif
switch (c) {
@ -1742,6 +1792,9 @@ int main(int argc, char *argv[])
data.data_type = TYPE_ENCODED;
break;
#endif
case 's':
data.data_type = TYPE_SYSEX;
break;
case 'R':
data.remote_name = optarg;
@ -1831,6 +1884,7 @@ int main(int argc, char *argv[])
if (!data.media_type) {
switch (data.data_type) {
case TYPE_MIDI:
case TYPE_SYSEX:
data.media_type = DEFAULT_MIDI_MEDIA_TYPE;
break;
default:
@ -1918,6 +1972,9 @@ int main(int argc, char *argv[])
ret = setup_encodedfile(&data);
break;
#endif
case TYPE_SYSEX:
ret = setup_sysex(&data);
break;
default:
ret = -ENOTSUP;
break;
@ -1980,6 +2037,7 @@ int main(int argc, char *argv[])
break;
}
case TYPE_MIDI:
case TYPE_SYSEX:
params[n_params++] = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_application),