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video-play: add example of steal_fd

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This commit is contained in:
Wim Taymans 2018-01-19 18:00:45 +01:00
parent 1c44629cf9
commit 4851a827f4
1 changed files with 44 additions and 1 deletions
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45
src/examples/video-play.c
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@ -18,6 +18,7 @@
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <SDL2/SDL.h>
@ -390,6 +391,48 @@ static const struct pw_remote_events remote_events = {
.state_changed = on_state_changed,
};
static void connect_state_changed(void *_data, enum pw_remote_state old,
enum pw_remote_state state, const char *error)
{
struct data *data = _data;
printf("remote state: \"%s\"\n", pw_remote_state_as_string(state));
switch (state) {
case PW_REMOTE_STATE_ERROR:
case PW_REMOTE_STATE_CONNECTED:
pw_main_loop_quit(data->loop);
break;
default:
break;
}
}
static int get_fd(struct data *data)
{
int fd;
struct pw_remote *remote = pw_remote_new(data->core, NULL, 0);
struct spa_hook remote_listener;
const struct pw_remote_events revents = {
PW_VERSION_REMOTE_EVENTS,
.state_changed = connect_state_changed,
};
pw_remote_add_listener(remote, &remote_listener, &revents, data);
if (pw_remote_connect(remote) < 0)
return -1;
pw_main_loop_run(data->loop);
fd = pw_remote_steal_fd(remote);
pw_remote_destroy(remote);
return fd;
}
int main(int argc, char *argv[])
{
struct data data = { 0, };
@ -419,7 +462,7 @@ int main(int argc, char *argv[])
pw_remote_add_listener(data.remote, &data.remote_listener, &remote_events, &data);
pw_remote_connect(data.remote);
pw_remote_connect_fd(data.remote, get_fd(&data));
pw_main_loop_run(data.loop);