[PATCH 2/2] Add test for rawmidi framing API
David Henningsson
coding at diwic.se
Mon Aug 16 18:06:25 CEST 2021
Signed-off-by: David Henningsson <coding at diwic.se>
---
test/rawmidi.c | 65 +++++++++++++++++++++++++++++++++++++++++++++-----
1 file changed, 59 insertions(+), 6 deletions(-)
diff --git a/test/rawmidi.c b/test/rawmidi.c
index 67f585b0..1090d44b 100644
--- a/test/rawmidi.c
+++ b/test/rawmidi.c
@@ -13,6 +13,7 @@ static void usage(void)
fprintf(stderr, " -o device-id : test ALSA output device\n");
fprintf(stderr, " -I node : test input node\n");
fprintf(stderr, " -O node : test output node\n");
+ fprintf(stderr, " -c clock : kernel clock type (0=none, 1=realtime, 2=monotonic, 3=monotonic raw)\n");
fprintf(stderr, " -t: test midi thru\n");
fprintf(stderr, " example:\n");
fprintf(stderr, " rawmidi -i hw:0,0 -O /dev/midi1\n");
@@ -37,7 +38,8 @@ int main(int argc,char** argv)
char *device_out = NULL;
char *node_in = NULL;
char *node_out = NULL;
-
+ int clock_type = -1;
+
int fd_in = -1,fd_out = -1;
snd_rawmidi_t *handle_in = 0,*handle_out = 0;
@@ -58,6 +60,10 @@ int main(int argc,char** argv)
case 't':
thru = 1;
break;
+ case 'c':
+ if (i + 1 < argc)
+ clock_type = atoi(argv[++i]);
+ break;
case 'i':
if (i + 1 < argc)
device_in = argv[++i];
@@ -133,20 +139,67 @@ int main(int argc,char** argv)
}
}
-
-
if (!thru) {
if (handle_in || fd_in!=-1) {
+ if (clock_type != -1) {
+ snd_rawmidi_params_t *params;
+ snd_rawmidi_params_malloc(¶ms);
+ if (!handle_in) {
+ fprintf(stderr, "-c only usable with -i");
+ clock_type = -1;
+ }
+ if (clock_type != -1) {
+ fprintf(stderr, "Enable kernel clock type %d\n", clock_type);
+ snd_rawmidi_params_current(handle_in, params);
+ err = snd_rawmidi_params_set_framing_type(handle_in, params, 1);
+ if (err) {
+ fprintf(stderr,"snd_rawmidi_params_set_framing_type failed: %d\n", err);
+ clock_type = -1;
+ }
+ }
+ if (clock_type != -1) {
+ err = snd_rawmidi_params_set_clock_type(handle_in, params, clock_type);
+ if (err) {
+ fprintf(stderr, "snd_rawmidi_params_set_clock_type failed: %d\n", err);
+ clock_type = -1;
+ }
+ }
+ if (clock_type != -1) {
+ err = snd_rawmidi_params(handle_in, params);
+ if (err) {
+ fprintf(stderr, "snd_rawmidi_params failed: %d\n", err);
+ clock_type = -1;
+ }
+ }
+ snd_rawmidi_params_free(params);
+ }
+
fprintf(stderr,"Read midi in\n");
fprintf(stderr,"Press ctrl-c to stop\n");
}
if (handle_in) {
unsigned char ch;
+ snd_rawmidi_framing_tstamp_t frame;
while (!stop) {
- snd_rawmidi_read(handle_in,&ch,1);
- if (verbose) {
- fprintf(stderr,"read %02x\n",ch);
+ if (clock_type != -1) {
+ snd_rawmidi_read(handle_in, &frame, sizeof(frame));
+ if (verbose) {
+ int i;
+ if (frame.frame_type) {
+ fprintf(stderr, "read unknown frame %d", frame.frame_type);
+ continue;
+ }
+ fprintf(stderr, "read [%lld:%09d]", frame.tv_sec, frame.tv_nsec);
+ for (i = 0; i < frame.length; i++)
+ fprintf(stderr, " %02x", frame.data[i]);
+ fprintf(stderr, "\n");
+ }
+ }
+ else {
+ snd_rawmidi_read(handle_in,&ch,1);
+ if (verbose)
+ fprintf(stderr,"read %02x\n",ch);
}
}
}
--
2.25.1
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