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support for latency interpolation

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@256 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-10-27 00:10:12 +00:00
parent da45617efc
commit 148202d432
13 changed files with 250 additions and 72 deletions
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12
polyp/pacat.c
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@ -297,7 +297,8 @@ static void exit_signal_callback(struct pa_mainloop_api*m, struct pa_signal_even
/* Show the current latency */
static void stream_get_latency_callback(struct pa_stream *s, const struct pa_latency_info *i, void *userdata) {
double total;
pa_usec_t total;
int negative = 0;
assert(s);
if (!i) {
@ -306,20 +307,17 @@ static void stream_get_latency_callback(struct pa_stream *s, const struct pa_lat
return;
}
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;
total = pa_stream_get_latency(s, i, &negative);
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,
(float) i->buffer_usec, (float) i->sink_usec, (float) i->source_usec, (float) i->transport_usec, (float) total * (negative?-1:1),
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) {
fprintf(stderr, "Got SIGUSR1, requesting latency.\n");
pa_operation_unref(pa_stream_get_latency(stream, stream_get_latency_callback, NULL));
pa_operation_unref(pa_stream_get_latency_info(stream, stream_get_latency_callback, NULL));
}