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update pacat.c for new latency API

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@649 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-04-07 00:25:05 +00:00
parent 920f045380
commit 53a0056cdf
1 changed files with 34 additions and 6 deletions
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40
src/utils/pacat.c
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@ -31,6 +31,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <fcntl.h>
#include <polyp/polypaudio.h>
#include <polyp/mainloop.h>
@ -339,28 +340,34 @@ static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig,
}
/* Show the current latency */
static void stream_get_latency_callback(pa_stream *s, const pa_latency_info *i, void *userdata) {
static void stream_update_latency_callback(pa_stream *s, int success, void *userdata) {
pa_usec_t total;
int negative = 0;
const pa_latency_info *i;
assert(s);
if (!i) {
if (!success ||
!(i = pa_stream_get_latency_info(s)) ||
pa_stream_get_latency(s, &total, &negative) < 0) {
fprintf(stderr, "Failed to get latency: %s\n", pa_strerror(pa_context_errno(context)));
quit(1);
return;
}
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, (float) total * (negative?-1:1),
(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(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
fprintf(stderr, "Got SIGUSR1, requesting latency.\n");
pa_operation_unref(pa_stream_get_latency_info(stream, stream_get_latency_callback, NULL));
pa_operation_unref(pa_stream_update_latency_info(stream, stream_update_latency_callback, NULL));
}
@ -511,6 +518,27 @@ int main(int argc, char *argv[]) {
fprintf(stderr, "Opening a %s stream with sample specification '%s'.\n", mode == RECORD ? "recording" : "playback", t);
}
if (optind+1 < argc) {
fprintf(stderr, "Too many arguments.\n");
goto quit;
}
if (optind+1 == argc) {
int fd;
if ((fd = open(argv[optind], O_RDONLY)) < 0) {
fprintf(stderr, "open(): %s\n", strerror(errno));
goto quit;
}
if (dup2(fd, 0) < 0) {
fprintf(stderr, "dup2(): %s\n", strerror(errno));
goto quit;
}
close(fd);
}
/* Set up a new main loop */
if (!(m = pa_mainloop_new())) {
fprintf(stderr, "pa_mainloop_new() failed.\n");