2 3baa2617 2022-02-16 op * Copyright (c) 2022 Omar Polo <op@openbsd.org>
4 3baa2617 2022-02-16 op * Permission to use, copy, modify, and distribute this software for any
5 3baa2617 2022-02-16 op * purpose with or without fee is hereby granted, provided that the above
6 3baa2617 2022-02-16 op * copyright notice and this permission notice appear in all copies.
8 3baa2617 2022-02-16 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 3baa2617 2022-02-16 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 3baa2617 2022-02-16 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 3baa2617 2022-02-16 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 3baa2617 2022-02-16 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 3baa2617 2022-02-16 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 3baa2617 2022-02-16 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 f36fd90a 2022-07-09 op #include "config.h"
19 3baa2617 2022-02-16 op #include <limits.h>
21 3baa2617 2022-02-16 op #include <assert.h>
22 3baa2617 2022-02-16 op #include <errno.h>
23 3baa2617 2022-02-16 op #include <poll.h>
24 3baa2617 2022-02-16 op #include <signal.h>
25 3baa2617 2022-02-16 op #include <sndio.h>
26 14be015f 2022-02-17 op #include <stdio.h>
27 3baa2617 2022-02-16 op #include <stdlib.h>
28 3baa2617 2022-02-16 op #include <stdint.h>
29 3baa2617 2022-02-16 op #include <string.h>
30 3baa2617 2022-02-16 op #include <syslog.h>
31 3baa2617 2022-02-16 op #include <unistd.h>
33 3baa2617 2022-02-16 op #include "amused.h"
34 3baa2617 2022-02-16 op #include "log.h"
35 3baa2617 2022-02-16 op #include "xmalloc.h"
37 5a4b3030 2022-03-09 op struct sio_hdl *hdl;
38 ff06024f 2022-07-08 op struct sio_par par;
39 c0180200 2022-06-10 op struct pollfd *player_pfds;
40 5a4b3030 2022-03-09 op static struct imsgbuf *ibuf;
42 c0180200 2022-06-10 op static int stopped = 1;
43 3baa2617 2022-02-16 op static int nextfd = -1;
44 ff06024f 2022-07-08 op static int64_t samples;
45 60a09ce7 2022-07-09 op static int64_t duration;
47 3baa2617 2022-02-16 op volatile sig_atomic_t halted;
50 3baa2617 2022-02-16 op player_signal_handler(int signo)
56 b9d2a697 2022-07-08 op player_setup(unsigned int bits, unsigned int rate, unsigned int channels)
58 4d8a06d4 2022-06-10 op int nfds, fpct;
60 a728254f 2022-02-23 op log_debug("%s: bits=%d, rate=%d, channels=%d", __func__,
61 a728254f 2022-02-23 op bits, rate, channels);
63 4d8a06d4 2022-06-10 op fpct = (rate*5)/100;
65 4d8a06d4 2022-06-10 op /* don't stop if the parameters are the same */
66 4d8a06d4 2022-06-10 op if (bits == par.bits && channels == par.pchan &&
67 f5237736 2022-06-10 op par.rate - fpct <= rate && rate <= par.rate + fpct) {
74 c0180200 2022-06-10 op if (!stopped) {
75 c0180200 2022-06-10 op sio_stop(hdl);
79 3baa2617 2022-02-16 op sio_initpar(&par);
80 e24324f1 2022-02-21 op par.bits = bits;
81 3baa2617 2022-02-16 op par.rate = rate;
82 7fc831ea 2022-02-18 op par.pchan = channels;
83 c0180200 2022-06-10 op if (!sio_setpar(hdl, &par)) {
84 c0180200 2022-06-10 op if (errno == EAGAIN) {
85 463ce879 2022-06-10 op nfds = sio_pollfd(hdl, player_pfds + 1, POLLOUT);
86 c0180200 2022-06-10 op if (poll(player_pfds + 1, nfds, INFTIM) == -1)
87 c0180200 2022-06-10 op fatal("poll");
90 f002c42a 2022-05-09 op log_warnx("invalid params (bits=%d, rate=%d, channels=%d",
91 f002c42a 2022-05-09 op bits, rate, channels);
94 c0180200 2022-06-10 op if (!sio_getpar(hdl, &par)) {
95 c0180200 2022-06-10 op log_warnx("can't get params");
99 e24324f1 2022-02-21 op if (par.bits != bits || par.pchan != channels) {
100 7fc831ea 2022-02-18 op log_warnx("failed to set params");
104 3baa2617 2022-02-16 op /* TODO: check the sample rate? */
107 3baa2617 2022-02-16 op if (!sio_start(hdl)) {
108 3baa2617 2022-02-16 op log_warn("sio_start");
116 60a09ce7 2022-07-09 op player_setduration(int64_t d)
118 ff06024f 2022-07-08 op int64_t seconds;
120 60a09ce7 2022-07-09 op duration = d;
121 ff06024f 2022-07-08 op seconds = duration / par.rate;
122 ff06024f 2022-07-08 op imsg_compose(ibuf, IMSG_LEN, 0, 0, -1, &seconds, sizeof(seconds));
123 ff06024f 2022-07-08 op imsg_flush(ibuf);
127 ff06024f 2022-07-08 op player_onmove(void *arg, int delta)
129 ff06024f 2022-07-08 op static int64_t reported;
132 ff06024f 2022-07-08 op samples += delta;
133 ff06024f 2022-07-08 op if (llabs(samples - reported) >= par.rate) {
134 ff06024f 2022-07-08 op reported = samples;
135 ff06024f 2022-07-08 op sec = samples / par.rate;
137 ff06024f 2022-07-08 op imsg_compose(ibuf, IMSG_POS, 0, 0, -1, &sec, sizeof(sec));
138 ff06024f 2022-07-08 op imsg_flush(ibuf);
143 791d3db3 2022-07-09 op player_setpos(int64_t pos)
145 791d3db3 2022-07-09 op samples = pos;
146 791d3db3 2022-07-09 op player_onmove(NULL, 0);
149 3baa2617 2022-02-16 op /* process only one message */
151 c2f554ff 2022-07-09 op player_dispatch(int64_t *s, int wait)
153 791d3db3 2022-07-09 op struct player_seek seek;
154 fc4a38af 2022-05-19 op struct pollfd pfd;
155 3baa2617 2022-02-16 op struct imsg imsg;
159 3baa2617 2022-02-16 op if (halted != 0)
160 3baa2617 2022-02-16 op return IMSG_STOP;
163 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
164 3baa2617 2022-02-16 op fatal("imsg_get");
165 926ee836 2022-05-19 op if (n == 0) {
169 926ee836 2022-05-19 op pfd.fd = ibuf->fd;
170 926ee836 2022-05-19 op pfd.events = POLLIN;
171 926ee836 2022-05-19 op if (poll(&pfd, 1, INFTIM) == -1)
172 926ee836 2022-05-19 op fatal("poll");
173 926ee836 2022-05-19 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
174 926ee836 2022-05-19 op fatal("imsg_read");
176 926ee836 2022-05-19 op fatalx("pipe closed");
180 3baa2617 2022-02-16 op ret = imsg.hdr.type;
181 3baa2617 2022-02-16 op switch (imsg.hdr.type) {
182 3baa2617 2022-02-16 op case IMSG_PLAY:
183 6e4f8947 2022-06-09 op if (nextfd != -1)
184 6e4f8947 2022-06-09 op fatalx("track already enqueued");
185 6e4f8947 2022-06-09 op if ((nextfd = imsg.fd) == -1)
186 6e4f8947 2022-06-09 op fatalx("%s: got invalid file descriptor", __func__);
187 6e4f8947 2022-06-09 op log_debug("song enqueued");
188 3baa2617 2022-02-16 op ret = IMSG_STOP;
190 3baa2617 2022-02-16 op case IMSG_RESUME:
191 3baa2617 2022-02-16 op case IMSG_PAUSE:
192 3baa2617 2022-02-16 op case IMSG_STOP:
194 791d3db3 2022-07-09 op case IMSG_CTL_SEEK:
195 791d3db3 2022-07-09 op if (s == NULL)
197 791d3db3 2022-07-09 op if (IMSG_DATA_SIZE(imsg) != sizeof(seek))
198 791d3db3 2022-07-09 op fatalx("wrong size for seek ctl");
199 791d3db3 2022-07-09 op memcpy(&seek, imsg.data, sizeof(seek));
200 60a09ce7 2022-07-09 op if (seek.percent) {
201 60a09ce7 2022-07-09 op *s = (double)seek.offset * (double)duration / 100.0;
203 60a09ce7 2022-07-09 op *s = seek.offset * par.rate;
204 60a09ce7 2022-07-09 op if (seek.relative)
205 60a09ce7 2022-07-09 op *s += samples;
211 3baa2617 2022-02-16 op fatalx("unknown imsg %d", imsg.hdr.type);
214 fd90976c 2022-06-09 op imsg_free(&imsg);
219 17ef54d6 2022-06-22 op player_senderr(const char *errstr)
221 17ef54d6 2022-06-22 op size_t len = 0;
223 17ef54d6 2022-06-22 op if (errstr != NULL)
224 17ef54d6 2022-06-22 op len = strlen(errstr) + 1;
226 17ef54d6 2022-06-22 op imsg_compose(ibuf, IMSG_ERR, 0, 0, -1, errstr, len);
227 3baa2617 2022-02-16 op imsg_flush(ibuf);
231 3baa2617 2022-02-16 op player_sendeof(void)
233 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_EOF, 0, 0, -1, NULL, 0);
234 3baa2617 2022-02-16 op imsg_flush(ibuf);
238 17ef54d6 2022-06-22 op player_playnext(const char **errstr)
240 bf19b03e 2022-05-09 op static char buf[512];
242 3baa2617 2022-02-16 op int fd = nextfd;
244 3baa2617 2022-02-16 op assert(nextfd != -1);
247 ff06024f 2022-07-08 op /* reset samples and set position to zero */
249 ff06024f 2022-07-08 op imsg_compose(ibuf, IMSG_POS, 0, 0, -1, &samples, sizeof(samples));
250 ff06024f 2022-07-08 op imsg_flush(ibuf);
252 bf19b03e 2022-05-09 op r = read(fd, buf, sizeof(buf));
254 bf19b03e 2022-05-09 op /* 8 byte is the larger magic number */
256 17ef54d6 2022-06-22 op *errstr = "read failed";
260 bf19b03e 2022-05-09 op if (lseek(fd, 0, SEEK_SET) == -1) {
261 17ef54d6 2022-06-22 op *errstr = "lseek failed";
265 bf19b03e 2022-05-09 op if (memcmp(buf, "fLaC", 4) == 0)
266 17ef54d6 2022-06-22 op return play_flac(fd, errstr);
267 bf19b03e 2022-05-09 op if (memcmp(buf, "ID3", 3) == 0 ||
268 bf19b03e 2022-05-09 op memcmp(buf, "\xFF\xFB", 2) == 0)
269 17ef54d6 2022-06-22 op return play_mp3(fd, errstr);
270 bf19b03e 2022-05-09 op if (memmem(buf, r, "OpusHead", 8) != NULL)
271 17ef54d6 2022-06-22 op return play_opus(fd, errstr);
272 bf19b03e 2022-05-09 op if (memmem(buf, r, "OggS", 4) != NULL)
273 17ef54d6 2022-06-22 op return play_oggvorbis(fd, errstr);
275 17ef54d6 2022-06-22 op *errstr = "unknown file type";
282 791d3db3 2022-07-09 op player_pause(int64_t *s)
286 c2f554ff 2022-07-09 op r = player_dispatch(s, 1);
287 3ad8bae8 2022-07-09 op return r == IMSG_RESUME || r == IMSG_CTL_SEEK;
291 c2f554ff 2022-07-09 op player_shouldstop(int64_t *s, int wait)
293 c2f554ff 2022-07-09 op switch (player_dispatch(s, wait)) {
294 3baa2617 2022-02-16 op case IMSG_PAUSE:
295 791d3db3 2022-07-09 op if (player_pause(s))
297 3baa2617 2022-02-16 op /* fallthrough */
298 3baa2617 2022-02-16 op case IMSG_STOP:
306 791d3db3 2022-07-09 op play(const void *buf, size_t len, int64_t *s)
309 c2f554ff 2022-07-09 op int nfds, revents, r, wait;
312 c0180200 2022-06-10 op while (len != 0) {
313 c0180200 2022-06-10 op nfds = sio_pollfd(hdl, player_pfds + 1, POLLOUT);
314 c0180200 2022-06-10 op r = poll(player_pfds, nfds + 1, INFTIM);
316 c0180200 2022-06-10 op fatal("poll");
318 c2f554ff 2022-07-09 op wait = player_pfds[0].revents & (POLLHUP|POLLIN);
319 c2f554ff 2022-07-09 op if (player_shouldstop(s, wait)) {
320 c2f554ff 2022-07-09 op sio_flush(hdl);
325 c0180200 2022-06-10 op revents = sio_revents(hdl, player_pfds + 1);
326 c0180200 2022-06-10 op if (revents & POLLHUP)
327 c0180200 2022-06-10 op fatalx("sndio hang-up");
328 c0180200 2022-06-10 op if (revents & POLLOUT) {
329 c0180200 2022-06-10 op w = sio_write(hdl, buf, len);
339 3baa2617 2022-02-16 op player(int debug, int verbose)
343 3baa2617 2022-02-16 op log_init(debug, LOG_DAEMON);
344 3baa2617 2022-02-16 op log_setverbose(verbose);
346 3baa2617 2022-02-16 op setproctitle("player");
347 3baa2617 2022-02-16 op log_procinit("player");
351 3baa2617 2022-02-16 op static int attached;
353 3baa2617 2022-02-16 op while (!attached)
358 aecca17c 2022-06-10 op if ((hdl = sio_open(SIO_DEVANY, SIO_PLAY, 1)) == NULL)
359 aecca17c 2022-06-10 op fatal("sio_open");
361 ff06024f 2022-07-08 op sio_onmove(hdl, player_onmove, NULL);
363 c0180200 2022-06-10 op /* allocate one extra for imsg */
364 c0180200 2022-06-10 op player_pfds = calloc(sio_nfds(hdl) + 1, sizeof(*player_pfds));
365 c0180200 2022-06-10 op if (player_pfds == NULL)
366 c0180200 2022-06-10 op fatal("calloc");
368 c0180200 2022-06-10 op player_pfds[0].events = POLLIN;
369 c0180200 2022-06-10 op player_pfds[0].fd = 3;
371 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
372 3baa2617 2022-02-16 op imsg_init(ibuf, 3);
374 3baa2617 2022-02-16 op signal(SIGINT, player_signal_handler);
375 3baa2617 2022-02-16 op signal(SIGTERM, player_signal_handler);
377 3baa2617 2022-02-16 op signal(SIGHUP, SIG_IGN);
378 3baa2617 2022-02-16 op signal(SIGPIPE, SIG_IGN);
380 251e00ff 2022-03-10 op if (pledge("stdio recvfd audio", NULL) == -1)
381 3baa2617 2022-02-16 op fatal("pledge");
383 3baa2617 2022-02-16 op while (!halted) {
384 17ef54d6 2022-06-22 op const char *errstr = NULL;
386 3baa2617 2022-02-16 op while (nextfd == -1)
387 c2f554ff 2022-07-09 op player_dispatch(NULL, 1);
389 17ef54d6 2022-06-22 op r = player_playnext(&errstr);
391 17ef54d6 2022-06-22 op player_senderr(errstr);
393 06412529 2022-05-09 op player_sendeof();