add input latency measurement

add GETOSPACE support to module-oss


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@205 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-09-16 00:05:56 +00:00
parent f5d47a293a
commit f9e2058820
20 changed files with 293 additions and 69 deletions

View file

@ -276,27 +276,29 @@ static void exit_signal_callback(struct pa_mainloop_api*m, struct pa_signal_even
}
/* Show the current playback latency */
/* Show the current latency */
static void stream_get_latency_callback(struct pa_stream *s, const struct pa_latency_info *i, void *userdata) {
double total;
assert(s);
if (!i) {
fprintf(stderr, "Failed to get latency: %s\n", strerror(errno));
fprintf(stderr, "Failed to get latency: %s\n", pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
fprintf(stderr, "Latency: buffer: %0.0f usec; sink: %0.0f usec; transport: %0.0f usec; total: %0.0f usec; synchronized clocks: %s.\n",
(float) i->buffer_usec, (float) i->sink_usec, (float) i->transport_usec,
(float) (i->buffer_usec+i->sink_usec+i->transport_usec),
if (mode == PLAYBACK)
total = (double) i->sink_usec + i->buffer_usec + i->transport_usec;
else
total = (double) i->source_usec + i->buffer_usec + i->transport_usec - i->sink_usec;
fprintf(stderr, "Latency: buffer: %0.0f usec; sink: %0.0f usec; source: %0.0f usec; transport: %0.0f usec; total: %0.0f usec; synchronized clocks: %s.\n",
(float) i->buffer_usec, (float) i->sink_usec, (float) i->source_usec, (float) i->transport_usec, total,
i->synchronized_clocks ? "yes" : "no");
}
/* Someone requested that the latency is shown */
static void sigusr1_signal_callback(struct pa_mainloop_api*m, struct pa_signal_event *e, int sig, void *userdata) {
if (mode != PLAYBACK)
return;
fprintf(stderr, "Got SIGUSR1, requesting latency.\n");
pa_operation_unref(pa_stream_get_latency(stream, stream_get_latency_callback, NULL));
}