diff options
Diffstat (limited to 'src/tests/interpol-test.c')
| -rw-r--r-- | src/tests/interpol-test.c | 294 |
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; +} |