Beispiel #1
0
static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
    struct userdata *u = PA_SINK(o)->userdata;

    switch (code) {
    case PA_SINK_MESSAGE_SET_STATE:

        if (PA_PTR_TO_UINT(data) == PA_SINK_RUNNING)
            pa_rtclock_get(&u->timestamp);

        break;

    case PA_SINK_MESSAGE_GET_LATENCY: {
        struct timeval now;

        pa_rtclock_get(&now);

        if (pa_timeval_cmp(&u->timestamp, &now) > 0)
            *((pa_usec_t*) data) = 0;
        else
            *((pa_usec_t*) data) = pa_timeval_diff(&u->timestamp, &now);
        break;
    }
    }

    return pa_sink_process_msg(o, code, data, offset, chunk);
}
Beispiel #2
0
static gboolean prepare_func(GSource *source, gint *timeout) {
    pa_glib_mainloop *g = (pa_glib_mainloop*) source;

    g_assert(g);
    g_assert(timeout);

    scan_dead(g);

    if (g->n_enabled_defer_events) {
        *timeout = 0;
        return TRUE;
    } else if (g->n_enabled_time_events) {
        pa_time_event *t;
        GTimeVal now;
        struct timeval tvnow;
        pa_usec_t usec;

        t = find_next_time_event(g);
        g_assert(t);

        g_get_current_time(&now);
        tvnow.tv_sec = now.tv_sec;
        tvnow.tv_usec = now.tv_usec;

        if (pa_timeval_cmp(&t->timeval, &tvnow) <= 0) {
            *timeout = 0;
            return TRUE;
        }
        usec = pa_timeval_diff(&t->timeval, &tvnow);
        *timeout = (gint) (usec / 1000);
    } else
        *timeout = -1;

    return FALSE;
}
Beispiel #3
0
static struct timeval* wallclock_from_rtclock(struct timeval *tv) {
    struct timeval wc_now, rt_now;

    pa_assert(tv);

    pa_gettimeofday(&wc_now);
    pa_rtclock_get(&rt_now);

    /* pa_timeval_sub() saturates on underflow! */

    if (pa_timeval_cmp(&rt_now, tv) < 0)
        pa_timeval_add(&wc_now, pa_timeval_diff(tv, &rt_now));
    else
        pa_timeval_sub(&wc_now, pa_timeval_diff(&rt_now, tv));

    *tv = wc_now;

    return tv;
}
Beispiel #4
0
pa_usec_t pa_rtclock_age(const struct timeval *tv) {
    struct timeval now;
    pa_assert(tv);

    return pa_timeval_diff(pa_rtclock_get(&now), tv);
}
/* This is called whenever the context status changes */
static void context_state_callback(pa_context *c, void *userdata) {
    fail_unless(c != NULL);

    switch (pa_context_get_state(c)) {
        case PA_CONTEXT_CONNECTING:
        case PA_CONTEXT_AUTHORIZING:
        case PA_CONTEXT_SETTING_NAME:
            break;

        case PA_CONTEXT_READY: {
            pa_stream_flags_t flags = PA_STREAM_AUTO_TIMING_UPDATE;
            pa_buffer_attr attr;
            static const pa_sample_spec ss = {
                .format = PA_SAMPLE_S16LE,
                .rate = 44100,
                .channels = 2
            };

            pa_zero(attr);
            attr.maxlength = (uint32_t) -1;
            attr.tlength = latency > 0 ? (uint32_t) pa_usec_to_bytes(latency, &ss) : (uint32_t) -1;
            attr.prebuf = (uint32_t) -1;
            attr.minreq = (uint32_t) -1;
            attr.fragsize = (uint32_t) -1;

#ifdef INTERPOLATE
            flags |= PA_STREAM_INTERPOLATE_TIMING;
#endif

            if (latency > 0)
                flags |= PA_STREAM_ADJUST_LATENCY;

            pa_log("Connection established");

            stream = pa_stream_new(c, "interpol-test", &ss, NULL);
            fail_unless(stream != NULL);

            if (playback) {
                pa_assert_se(pa_stream_connect_playback(stream, NULL, &attr, flags, NULL, NULL) == 0);
                pa_stream_set_write_callback(stream, stream_write_cb, NULL);
            } else {
                pa_assert_se(pa_stream_connect_record(stream, NULL, &attr, flags) == 0);
                pa_stream_set_read_callback(stream, stream_read_cb, NULL);
            }

            pa_stream_set_latency_update_callback(stream, stream_latency_cb, NULL);

            break;
        }

        case PA_CONTEXT_TERMINATED:
            break;

        case PA_CONTEXT_FAILED:
        default:
            pa_log_error("Context error: %s", pa_strerror(pa_context_errno(c)));
            ck_abort();
    }
}

START_TEST (interpol_test) {
    pa_threaded_mainloop* m = NULL;
    int k;
    struct timeval start, last_info = { 0, 0 };
    pa_usec_t old_t = 0, old_rtc = 0;
#ifdef CORK
    bool corked = false;
#endif

    /* Set up a new main loop */
    m = pa_threaded_mainloop_new();
    fail_unless(m != NULL);
    mainloop_api = pa_threaded_mainloop_get_api(m);
    fail_unless(mainloop_api != NULL);
    context = pa_context_new(mainloop_api, bname);
    fail_unless(context != NULL);

    pa_context_set_state_callback(context, context_state_callback, NULL);

    fail_unless(pa_context_connect(context, NULL, 0, NULL) >= 0);

    pa_gettimeofday(&start);

    fail_unless(pa_threaded_mainloop_start(m) >= 0);

/* #ifdef CORK */
    for (k = 0; k < 20000; k++)
/* #else */
/*     for (k = 0; k < 2000; k++) */
/* #endif */
    {
        bool success = false, changed = false;
        pa_usec_t t, rtc, d;
        struct timeval now, tv;
        bool playing = false;

        pa_threaded_mainloop_lock(m);

        if (stream) {
            const pa_timing_info *info;

            if (pa_stream_get_time(stream, &t) >= 0 &&
                pa_stream_get_latency(stream, &d, NULL) >= 0)
                success = true;

            if ((info = pa_stream_get_timing_info(stream))) {
                if (memcmp(&last_info, &info->timestamp, sizeof(struct timeval))) {
                    changed = true;
                    last_info = info->timestamp;
                }
                if (info->playing)
                    playing = true;
            }
        }

        pa_threaded_mainloop_unlock(m);

        pa_gettimeofday(&now);

        if (success) {
#ifdef CORK
            bool cork_now;
#endif
            rtc = pa_timeval_diff(&now, &start);
            pa_log_info("%i\t%llu\t%llu\t%llu\t%llu\t%lli\t%u\t%u\t%llu\t%llu\n", k,
                   (unsigned long long) rtc,
                   (unsigned long long) t,
                   (unsigned long long) (rtc-old_rtc),
                   (unsigned long long) (t-old_t),
                   (signed long long) rtc - (signed long long) t,
                   changed,
                   playing,
                   (unsigned long long) latency,
                   (unsigned long long) d);

            fflush(stdout);
            old_t = t;
            old_rtc = rtc;

#ifdef CORK
            cork_now = (rtc / (2*PA_USEC_PER_SEC)) % 2 == 1;

            if (corked != cork_now) {
                pa_threaded_mainloop_lock(m);
                pa_operation_unref(pa_stream_cork(stream, cork_now, NULL, NULL));
                pa_threaded_mainloop_unlock(m);

                pa_log(cork_now ? "Corking" : "Uncorking");

                corked = cork_now;
            }
#endif
        }

        /* Spin loop, ugly but normal usleep() is just too badly grained */
        tv = now;
        while (pa_timeval_diff(pa_gettimeofday(&now), &tv) < 1000)
            pa_thread_yield();
    }

    if (m)
        pa_threaded_mainloop_stop(m);

    if (stream) {
        pa_stream_disconnect(stream);
        pa_stream_unref(stream);
    }

    if (context) {
        pa_context_disconnect(context);
        pa_context_unref(context);
    }

    if (m)
        pa_threaded_mainloop_free(m);
}
END_TEST

int main(int argc, char *argv[]) {
    int failed = 0;
    Suite *s;
    TCase *tc;
    SRunner *sr;

    if (!getenv("MAKE_CHECK"))
        pa_log_set_level(PA_LOG_DEBUG);

    bname = argv[0];
    playback = argc <= 1 || !pa_streq(argv[1], "-r");
    latency = (argc >= 2 && !pa_streq(argv[1], "-r")) ? atoi(argv[1]) : (argc >= 3 ? atoi(argv[2]) : 0);

    s = suite_create("Interpol");
    tc = tcase_create("interpol");
    tcase_add_test(tc, interpol_test);
    tcase_set_timeout(tc, 5 * 60);
    suite_add_tcase(s, tc);

    sr = srunner_create(s);
    srunner_run_all(sr, CK_NORMAL);
    failed = srunner_ntests_failed(sr);
    srunner_free(sr);

    return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}