Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 294 insertions, 0 deletions

diff --git a/src/tests/interpol-test.c b/src/tests/interpol-test.c
new file mode 100644
index 0000000..bb69e52
--- /dev/null
+++ b/src/tests/interpol-test.c
@@ -0,0 +1,294 @@
+/***
+  This file is part of PulseAudio.
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <signal.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <check.h>
+
+#include <pulse/pulseaudio.h>
+#include <pulse/mainloop.h>
+
+#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/thread.h>
+
+#define INTERPOLATE
+//#define CORK
+
+static pa_context *context = NULL;
+static pa_stream *stream = NULL;
+static pa_mainloop_api *mainloop_api = NULL;
+static bool playback = true;
+static pa_usec_t latency = 0;
+static const char *bname = NULL;
+
+static void stream_write_cb(pa_stream *p, size_t nbytes, void *userdata) {
+    /* Just some silence */
+
+    for (;;) {
+        void *data;
+
+        fail_unless((nbytes = pa_stream_writable_size(p)) != (size_t) -1);
+
+        if (nbytes <= 0)
+            break;
+
+        fail_unless(pa_stream_begin_write(p, &data, &nbytes) == 0);
+        pa_memzero(data, nbytes);
+        fail_unless(pa_stream_write(p, data, nbytes, NULL, 0, PA_SEEK_RELATIVE) == 0);
+    }
+}
+
+static void stream_read_cb(pa_stream *p, size_t nbytes, void *userdata) {
+    /* We don't care about the data, just drop it */
+
+    for (;;) {
+        const void *data;
+
+        pa_assert_se((nbytes = pa_stream_readable_size(p)) != (size_t) -1);
+
+        if (nbytes <= 0)
+            break;
+
+        fail_unless(pa_stream_peek(p, &data, &nbytes) == 0);
+        fail_unless(pa_stream_drop(p) == 0);
+    }
+}
+
+static void stream_latency_cb(pa_stream *p, void *userdata) {
+#ifndef INTERPOLATE
+    pa_operation *o;
+
+    o = pa_stream_update_timing_info(p, NULL, NULL);
+    pa_operation_unref(o);
+#endif
+}
+
+/* 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", 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;
+}