mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-10-31 22:25:33 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

beefup pacat a little:

Browse source 
* when -v is passed, show current playback time and latency
* modify SIGUSR1 behaviour to show only playback time and latency


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@687 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-04-12 17:18:24 +00:00
parent 49b3150434
commit d42794206d
1 changed files with 46 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

59
src/utils/pacat.c
View file

@ -36,6 +36,9 @@
#include <polyp/polypaudio.h>
#include <polyp/mainloop.h>
#include <polyp/mainloop-signal.h>
#include <polypcore/util.h>
#define TIME_EVENT_USEC 50000
#if PA_API_VERSION != 8
#error Invalid Polypaudio API version
@ -153,7 +156,7 @@ static void stream_state_callback(pa_stream *s, void *userdata) {
case PA_STREAM_READY:
if (verbose)
fprintf(stderr, "Stream successfully created\n");
fprintf(stderr, "Stream successfully created.\n");
break;
case PA_STREAM_FAILED:
@ -341,34 +344,46 @@ static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig,
/* Show the current latency */
static void stream_update_timing_callback(pa_stream *s, int success, void *userdata) {
pa_usec_t total;
pa_usec_t latency, usec;
int negative = 0;
const pa_timing_info *i;
assert(s);
if (!success ||
!(i = pa_stream_get_timing_info(s)) ||
pa_stream_get_latency(s, &total, &negative) < 0) {
pa_stream_get_time(s, &usec) < 0 ||
pa_stream_get_latency(s, &latency, &negative) < 0) {
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; 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),
i->synchronized_clocks ? "yes" : "no");
fprintf(stderr, "Time: %0.3f sec; Latency: %0.0f usec. \r",
(float) usec / 1000000,
(float) latency * (negative?-1:1));
}
/* Someone requested that the latency is shown */
static void sigusr1_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
if (!stream)
return;
pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL));
}
static void time_event_callback(pa_mainloop_api*m, pa_time_event *e, const struct timeval *tv, void *userdata) {
struct timeval next;
if (!stream)
return;
pa_operation_unref(pa_stream_update_timing_info(stream, stream_update_timing_callback, NULL));
pa_gettimeofday(&next);
pa_timeval_add(&next, TIME_EVENT_USEC);
m->time_restart(e, &next);
}
static void help(const char *argv0) {
@ -404,6 +419,7 @@ int main(int argc, char *argv[]) {
pa_mainloop* m = NULL;
int ret = 1, r, c;
char *bn, *server = NULL;
pa_time_event *time_event = NULL;
static const struct option long_options[] = {
{"record", 0, NULL, 'r'},
@ -561,7 +577,7 @@ int main(int argc, char *argv[]) {
mode == PLAYBACK ? STDIN_FILENO : STDOUT_FILENO,
mode == PLAYBACK ? PA_IO_EVENT_INPUT : PA_IO_EVENT_OUTPUT,
mode == PLAYBACK ? stdin_callback : stdout_callback, NULL))) {
fprintf(stderr, "source_io() failed.\n");
fprintf(stderr, "io_new() failed.\n");
goto quit;
}
@ -576,6 +592,18 @@ int main(int argc, char *argv[]) {
/* Connect the context */
pa_context_connect(context, server, 0, NULL);
if (verbose) {
struct timeval tv;
pa_gettimeofday(&tv);
pa_timeval_add(&tv, TIME_EVENT_USEC);
if (!(time_event = mainloop_api->time_new(mainloop_api, &tv, time_event_callback, NULL))) {
fprintf(stderr, "time_new() failed.\n");
goto quit;
}
}
/* Run the main loop */
if (pa_mainloop_run(m, &ret) < 0) {
fprintf(stderr, "pa_mainloop_run() failed.\n");
@ -593,6 +621,11 @@ quit:
assert(mainloop_api);
mainloop_api->io_free(stdio_event);
}
if (time_event) {
assert(mainloop_api);
mainloop_api->time_free(time_event);
}
if (m) {
pa_signal_done();