mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2025-12-26 22:48:19 +00:00
3364af70a3
Replace ASSERT() with spice_assert(). Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com> Acked-by: Frediano Ziglio <fziglio@redhat.com>
128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
/*
|
|
Copyright (C) 2009-2015 Red Hat, Inc.
|
|
|
|
This library 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.
|
|
|
|
This library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <config.h>
|
|
#include <stdio.h>
|
|
#include <sys/select.h>
|
|
#include <sys/time.h>
|
|
#include <math.h>
|
|
|
|
#include <spice.h>
|
|
#include "reds.h"
|
|
#include "basic_event_loop.h"
|
|
|
|
/* test the audio playback interface. Really basic no frils test - create
|
|
* a single tone sinus sound (easy to hear clicks if it is generated badly
|
|
* or is transmitted badly).
|
|
*
|
|
* TODO: Was going to do white noise to test compression too.
|
|
*
|
|
* TODO: gstreamer based test (could be used to play music files so
|
|
* it has actual merit. Also possibly to simulate network effects?)
|
|
* */
|
|
|
|
SpicePlaybackInstance playback_instance;
|
|
|
|
static const SpiceBaseInterface base = {
|
|
.type = SPICE_INTERFACE_PLAYBACK,
|
|
.description = "test playback",
|
|
.major_version = SPICE_INTERFACE_PLAYBACK_MAJOR,
|
|
.minor_version = SPICE_INTERFACE_PLAYBACK_MINOR,
|
|
};
|
|
|
|
uint32_t *frame;
|
|
uint32_t num_samples;
|
|
SpiceTimer *playback_timer;
|
|
int playback_timer_ms;
|
|
SpiceCoreInterface *core;
|
|
|
|
static void get_frame(void)
|
|
{
|
|
if (frame) {
|
|
return;
|
|
}
|
|
spice_server_playback_get_buffer(&playback_instance, &frame, &num_samples);
|
|
playback_timer_ms = num_samples
|
|
? 1000 * num_samples / SPICE_INTERFACE_PLAYBACK_FREQ
|
|
: 100;
|
|
}
|
|
|
|
void playback_timer_cb(SPICE_GNUC_UNUSED void *opaque)
|
|
{
|
|
static int t = 0;
|
|
static uint64_t last_sent_usec = 0;
|
|
static uint64_t samples_to_send;
|
|
uint32_t i;
|
|
struct timeval cur;
|
|
uint64_t cur_usec;
|
|
|
|
get_frame();
|
|
if (!frame) {
|
|
/* continue waiting until there is a channel */
|
|
core->timer_start(playback_timer, 100);
|
|
return;
|
|
}
|
|
|
|
/* we have a channel */
|
|
gettimeofday(&cur, NULL);
|
|
cur_usec = cur.tv_usec + cur.tv_sec * 1e6;
|
|
if (last_sent_usec == 0) {
|
|
samples_to_send = num_samples;
|
|
} else {
|
|
samples_to_send += (cur_usec - last_sent_usec) * SPICE_INTERFACE_PLAYBACK_FREQ / 1e6;
|
|
}
|
|
last_sent_usec = cur_usec;
|
|
while (samples_to_send > num_samples && frame) {
|
|
#if 0
|
|
printf("samples_to_send = %d\n", samples_to_send);
|
|
#endif
|
|
samples_to_send -= num_samples;
|
|
for (i = 0 ; i < num_samples; ++i) {
|
|
frame[i] = (((uint16_t)((1<<14)*sin((t+i)/10))) << 16) + (((uint16_t)((1<<14)*sin((t+i)/10))));
|
|
}
|
|
t += num_samples;
|
|
if (frame) {
|
|
spice_server_playback_put_samples(&playback_instance, frame);
|
|
frame = NULL;
|
|
}
|
|
get_frame();
|
|
}
|
|
core->timer_start(playback_timer, playback_timer_ms);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
SpiceServer *server = spice_server_new();
|
|
core = basic_event_loop_init();
|
|
|
|
spice_server_set_port(server, 5701);
|
|
spice_server_set_noauth(server);
|
|
spice_server_init(server, core);
|
|
|
|
playback_instance.base.sif = &base;
|
|
spice_server_add_interface(server, &playback_instance.base);
|
|
spice_server_playback_start(&playback_instance);
|
|
|
|
playback_timer_ms = 100;
|
|
playback_timer = core->timer_add(playback_timer_cb, NULL);
|
|
core->timer_start(playback_timer, playback_timer_ms);
|
|
|
|
basic_event_loop_mainloop();
|
|
|
|
return 0;
|
|
}
|