2 * Copyright (c) 2022 Omar Polo <op@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <sys/types.h>
18 #include <sys/queue.h>
43 struct pollfd *player_pfds;
44 static struct imsgbuf *ibuf;
46 static int stopped = 1;
47 static int nextfd = -1;
48 static int64_t samples;
50 volatile sig_atomic_t halted;
53 player_signal_handler(int signo)
59 player_setup(unsigned int bits, unsigned int rate, unsigned int channels)
63 log_debug("%s: bits=%d, rate=%d, channels=%d", __func__,
64 bits, rate, channels);
68 /* don't stop if the parameters are the same */
69 if (bits == par.bits && channels == par.pchan &&
70 par.rate - fpct <= rate && rate <= par.rate + fpct) {
86 if (!sio_setpar(hdl, &par)) {
87 if (errno == EAGAIN) {
88 nfds = sio_pollfd(hdl, player_pfds + 1, POLLOUT);
89 if (poll(player_pfds + 1, nfds, INFTIM) == -1)
93 log_warnx("invalid params (bits=%d, rate=%d, channels=%d",
94 bits, rate, channels);
97 if (!sio_getpar(hdl, &par)) {
98 log_warnx("can't get params");
102 if (par.bits != bits || par.pchan != channels) {
103 log_warnx("failed to set params");
107 /* TODO: check the sample rate? */
110 if (!sio_start(hdl)) {
111 log_warn("sio_start");
119 player_setduration(int64_t duration)
123 seconds = duration / par.rate;
124 imsg_compose(ibuf, IMSG_LEN, 0, 0, -1, &seconds, sizeof(seconds));
129 player_onmove(void *arg, int delta)
131 static int64_t reported;
135 if (llabs(samples - reported) >= par.rate) {
137 sec = samples / par.rate;
139 imsg_compose(ibuf, IMSG_POS, 0, 0, -1, &sec, sizeof(sec));
144 /* process only one message */
146 player_dispatch(void)
157 if ((n = imsg_get(ibuf, &imsg)) == -1)
162 if (poll(&pfd, 1, INFTIM) == -1)
164 if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
167 fatalx("pipe closed");
172 switch (imsg.hdr.type) {
175 fatalx("track already enqueued");
176 if ((nextfd = imsg.fd) == -1)
177 fatalx("%s: got invalid file descriptor", __func__);
178 log_debug("song enqueued");
186 fatalx("unknown imsg %d", imsg.hdr.type);
194 player_senderr(const char *errstr)
199 len = strlen(errstr) + 1;
201 imsg_compose(ibuf, IMSG_ERR, 0, 0, -1, errstr, len);
208 imsg_compose(ibuf, IMSG_EOF, 0, 0, -1, NULL, 0);
213 player_playnext(const char **errstr)
215 static char buf[512];
219 assert(nextfd != -1);
222 /* reset samples and set position to zero */
224 imsg_compose(ibuf, IMSG_POS, 0, 0, -1, &samples, sizeof(samples));
227 r = read(fd, buf, sizeof(buf));
229 /* 8 byte is the larger magic number */
231 *errstr = "read failed";
235 if (lseek(fd, 0, SEEK_SET) == -1) {
236 *errstr = "lseek failed";
240 if (memcmp(buf, "fLaC", 4) == 0)
241 return play_flac(fd, errstr);
242 if (memcmp(buf, "ID3", 3) == 0 ||
243 memcmp(buf, "\xFF\xFB", 2) == 0)
244 return play_mp3(fd, errstr);
245 if (memmem(buf, r, "OpusHead", 8) != NULL)
246 return play_opus(fd, errstr);
247 if (memmem(buf, r, "OggS", 4) != NULL)
248 return play_oggvorbis(fd, errstr);
250 *errstr = "unknown file type";
261 r = player_dispatch();
262 return r == IMSG_RESUME;
266 player_shouldstop(void)
268 switch (player_dispatch()) {
281 play(const void *buf, size_t len)
284 int nfds, revents, r;
287 nfds = sio_pollfd(hdl, player_pfds + 1, POLLOUT);
288 r = poll(player_pfds, nfds + 1, INFTIM);
292 if (player_pfds[0].revents & (POLLHUP|POLLIN)) {
293 if (player_shouldstop()) {
300 revents = sio_revents(hdl, player_pfds + 1);
301 if (revents & POLLHUP)
302 fatalx("sndio hang-up");
303 if (revents & POLLOUT) {
304 w = sio_write(hdl, buf, len);
314 player(int debug, int verbose)
318 log_init(debug, LOG_DAEMON);
319 log_setverbose(verbose);
321 setproctitle("player");
322 log_procinit("player");
333 if ((hdl = sio_open(SIO_DEVANY, SIO_PLAY, 1)) == NULL)
336 sio_onmove(hdl, player_onmove, NULL);
338 /* allocate one extra for imsg */
339 player_pfds = calloc(sio_nfds(hdl) + 1, sizeof(*player_pfds));
340 if (player_pfds == NULL)
343 player_pfds[0].events = POLLIN;
344 player_pfds[0].fd = 3;
346 ibuf = xmalloc(sizeof(*ibuf));
349 signal(SIGINT, player_signal_handler);
350 signal(SIGTERM, player_signal_handler);
352 signal(SIGHUP, SIG_IGN);
353 signal(SIGPIPE, SIG_IGN);
355 if (pledge("stdio recvfd audio", NULL) == -1)
359 const char *errstr = NULL;
364 r = player_playnext(&errstr);
366 player_senderr(errstr);