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 3baa2617 2022-02-16 op #include <sys/types.h>
18 3baa2617 2022-02-16 op #include <sys/queue.h>
19 3baa2617 2022-02-16 op #include <sys/uio.h>
21 3baa2617 2022-02-16 op #include <limits.h>
23 3baa2617 2022-02-16 op #include <assert.h>
24 3baa2617 2022-02-16 op #include <errno.h>
25 3baa2617 2022-02-16 op #include <event.h>
26 3baa2617 2022-02-16 op #include <poll.h>
27 3baa2617 2022-02-16 op #include <signal.h>
28 3baa2617 2022-02-16 op #include <sndio.h>
29 14be015f 2022-02-17 op #include <stdio.h>
30 3baa2617 2022-02-16 op #include <stdlib.h>
31 3baa2617 2022-02-16 op #include <stdint.h>
32 3baa2617 2022-02-16 op #include <imsg.h>
33 3baa2617 2022-02-16 op #include <string.h>
34 3baa2617 2022-02-16 op #include <syslog.h>
35 3baa2617 2022-02-16 op #include <unistd.h>
37 3baa2617 2022-02-16 op #include "amused.h"
38 3baa2617 2022-02-16 op #include "log.h"
39 3baa2617 2022-02-16 op #include "xmalloc.h"
41 5a4b3030 2022-03-09 op struct sio_hdl *hdl;
42 c0180200 2022-06-10 op struct pollfd *player_pfds;
43 5a4b3030 2022-03-09 op static struct imsgbuf *ibuf;
45 c0180200 2022-06-10 op static int stopped = 1;
46 3baa2617 2022-02-16 op static int nextfd = -1;
48 3baa2617 2022-02-16 op volatile sig_atomic_t halted;
51 3baa2617 2022-02-16 op player_signal_handler(int signo)
57 e24324f1 2022-02-21 op player_setup(int bits, int rate, int channels)
59 4d8a06d4 2022-06-10 op static struct sio_par par;
60 4d8a06d4 2022-06-10 op int nfds, fpct;
62 a728254f 2022-02-23 op log_debug("%s: bits=%d, rate=%d, channels=%d", __func__,
63 a728254f 2022-02-23 op bits, rate, channels);
65 4d8a06d4 2022-06-10 op fpct = (rate*5)/100;
67 4d8a06d4 2022-06-10 op /* don't stop if the parameters are the same */
68 4d8a06d4 2022-06-10 op if (bits == par.bits && channels == par.pchan &&
69 f5237736 2022-06-10 op par.rate - fpct <= rate && rate <= par.rate + fpct) {
76 c0180200 2022-06-10 op if (!stopped) {
77 c0180200 2022-06-10 op sio_stop(hdl);
81 3baa2617 2022-02-16 op sio_initpar(&par);
82 e24324f1 2022-02-21 op par.bits = bits;
83 3baa2617 2022-02-16 op par.rate = rate;
84 7fc831ea 2022-02-18 op par.pchan = channels;
85 c0180200 2022-06-10 op if (!sio_setpar(hdl, &par)) {
86 c0180200 2022-06-10 op if (errno == EAGAIN) {
87 463ce879 2022-06-10 op nfds = sio_pollfd(hdl, player_pfds + 1, POLLOUT);
88 c0180200 2022-06-10 op if (poll(player_pfds + 1, nfds, INFTIM) == -1)
89 c0180200 2022-06-10 op fatal("poll");
92 f002c42a 2022-05-09 op log_warnx("invalid params (bits=%d, rate=%d, channels=%d",
93 f002c42a 2022-05-09 op bits, rate, channels);
96 c0180200 2022-06-10 op if (!sio_getpar(hdl, &par)) {
97 c0180200 2022-06-10 op log_warnx("can't get params");
101 e24324f1 2022-02-21 op if (par.bits != bits || par.pchan != channels) {
102 7fc831ea 2022-02-18 op log_warnx("failed to set params");
106 3baa2617 2022-02-16 op /* TODO: check the sample rate? */
109 3baa2617 2022-02-16 op if (!sio_start(hdl)) {
110 3baa2617 2022-02-16 op log_warn("sio_start");
117 3baa2617 2022-02-16 op /* process only one message */
119 3baa2617 2022-02-16 op player_dispatch(void)
121 fc4a38af 2022-05-19 op struct pollfd pfd;
122 3baa2617 2022-02-16 op struct imsg imsg;
126 3baa2617 2022-02-16 op if (halted != 0)
127 3baa2617 2022-02-16 op return IMSG_STOP;
130 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
131 3baa2617 2022-02-16 op fatal("imsg_get");
132 926ee836 2022-05-19 op if (n == 0) {
133 926ee836 2022-05-19 op pfd.fd = ibuf->fd;
134 926ee836 2022-05-19 op pfd.events = POLLIN;
135 926ee836 2022-05-19 op if (poll(&pfd, 1, INFTIM) == -1)
136 926ee836 2022-05-19 op fatal("poll");
137 926ee836 2022-05-19 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
138 926ee836 2022-05-19 op fatal("imsg_read");
140 926ee836 2022-05-19 op fatalx("pipe closed");
144 3baa2617 2022-02-16 op ret = imsg.hdr.type;
145 3baa2617 2022-02-16 op switch (imsg.hdr.type) {
146 3baa2617 2022-02-16 op case IMSG_PLAY:
147 6e4f8947 2022-06-09 op if (nextfd != -1)
148 6e4f8947 2022-06-09 op fatalx("track already enqueued");
149 6e4f8947 2022-06-09 op if ((nextfd = imsg.fd) == -1)
150 6e4f8947 2022-06-09 op fatalx("%s: got invalid file descriptor", __func__);
151 6e4f8947 2022-06-09 op log_debug("song enqueued");
152 3baa2617 2022-02-16 op ret = IMSG_STOP;
154 3baa2617 2022-02-16 op case IMSG_RESUME:
155 3baa2617 2022-02-16 op case IMSG_PAUSE:
156 3baa2617 2022-02-16 op case IMSG_STOP:
159 3baa2617 2022-02-16 op fatalx("unknown imsg %d", imsg.hdr.type);
162 fd90976c 2022-06-09 op imsg_free(&imsg);
167 3baa2617 2022-02-16 op player_senderr(void)
169 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_ERR, 0, 0, -1, NULL, 0);
170 3baa2617 2022-02-16 op imsg_flush(ibuf);
174 3baa2617 2022-02-16 op player_sendeof(void)
176 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_EOF, 0, 0, -1, NULL, 0);
177 3baa2617 2022-02-16 op imsg_flush(ibuf);
181 3baa2617 2022-02-16 op player_playnext(void)
183 bf19b03e 2022-05-09 op static char buf[512];
185 3baa2617 2022-02-16 op int fd = nextfd;
187 3baa2617 2022-02-16 op assert(nextfd != -1);
190 bf19b03e 2022-05-09 op r = read(fd, buf, sizeof(buf));
192 bf19b03e 2022-05-09 op /* 8 byte is the larger magic number */
194 a975dca9 2022-05-10 op log_warn("read failed");
198 bf19b03e 2022-05-09 op if (lseek(fd, 0, SEEK_SET) == -1) {
199 bf19b03e 2022-05-09 op log_warn("lseek failed");
203 bf19b03e 2022-05-09 op if (memcmp(buf, "fLaC", 4) == 0)
204 bf19b03e 2022-05-09 op return play_flac(fd);
205 bf19b03e 2022-05-09 op if (memcmp(buf, "ID3", 3) == 0 ||
206 bf19b03e 2022-05-09 op memcmp(buf, "\xFF\xFB", 2) == 0)
207 bf19b03e 2022-05-09 op return play_mp3(fd);
208 bf19b03e 2022-05-09 op if (memmem(buf, r, "OpusHead", 8) != NULL)
209 06412529 2022-05-09 op return play_opus(fd);
210 bf19b03e 2022-05-09 op if (memmem(buf, r, "OggS", 4) != NULL)
211 bf19b03e 2022-05-09 op return play_oggvorbis(fd);
213 a975dca9 2022-05-10 op log_warnx("unknown file type");
220 3baa2617 2022-02-16 op player_pause(void)
224 3baa2617 2022-02-16 op r = player_dispatch();
225 3baa2617 2022-02-16 op return r == IMSG_RESUME;
229 3baa2617 2022-02-16 op player_shouldstop(void)
231 3baa2617 2022-02-16 op switch (player_dispatch()) {
232 3baa2617 2022-02-16 op case IMSG_PAUSE:
233 3baa2617 2022-02-16 op if (player_pause())
235 3baa2617 2022-02-16 op /* fallthrough */
236 3baa2617 2022-02-16 op case IMSG_STOP:
244 2139c525 2022-03-09 op play(const void *buf, size_t len)
247 c0180200 2022-06-10 op int nfds, revents, r;
249 c0180200 2022-06-10 op while (len != 0) {
250 c0180200 2022-06-10 op nfds = sio_pollfd(hdl, player_pfds + 1, POLLOUT);
251 c0180200 2022-06-10 op r = poll(player_pfds, nfds + 1, INFTIM);
253 c0180200 2022-06-10 op fatal("poll");
255 c0180200 2022-06-10 op if (player_pfds[0].revents & (POLLHUP|POLLIN)) {
256 c0180200 2022-06-10 op if (player_shouldstop()) {
257 c0180200 2022-06-10 op sio_flush(hdl);
263 c0180200 2022-06-10 op revents = sio_revents(hdl, player_pfds + 1);
264 c0180200 2022-06-10 op if (revents & POLLHUP)
265 c0180200 2022-06-10 op fatalx("sndio hang-up");
266 c0180200 2022-06-10 op if (revents & POLLOUT) {
267 c0180200 2022-06-10 op w = sio_write(hdl, buf, len);
277 3baa2617 2022-02-16 op player(int debug, int verbose)
281 3baa2617 2022-02-16 op log_init(debug, LOG_DAEMON);
282 3baa2617 2022-02-16 op log_setverbose(verbose);
284 3baa2617 2022-02-16 op setproctitle("player");
285 3baa2617 2022-02-16 op log_procinit("player");
289 3baa2617 2022-02-16 op static int attached;
291 3baa2617 2022-02-16 op while (!attached)
296 aecca17c 2022-06-10 op if ((hdl = sio_open(SIO_DEVANY, SIO_PLAY, 1)) == NULL)
297 aecca17c 2022-06-10 op fatal("sio_open");
299 c0180200 2022-06-10 op /* allocate one extra for imsg */
300 c0180200 2022-06-10 op player_pfds = calloc(sio_nfds(hdl) + 1, sizeof(*player_pfds));
301 c0180200 2022-06-10 op if (player_pfds == NULL)
302 c0180200 2022-06-10 op fatal("calloc");
304 c0180200 2022-06-10 op player_pfds[0].events = POLLIN;
305 c0180200 2022-06-10 op player_pfds[0].fd = 3;
307 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
308 3baa2617 2022-02-16 op imsg_init(ibuf, 3);
310 3baa2617 2022-02-16 op signal(SIGINT, player_signal_handler);
311 3baa2617 2022-02-16 op signal(SIGTERM, player_signal_handler);
313 3baa2617 2022-02-16 op signal(SIGHUP, SIG_IGN);
314 3baa2617 2022-02-16 op signal(SIGPIPE, SIG_IGN);
316 251e00ff 2022-03-10 op if (pledge("stdio recvfd audio", NULL) == -1)
317 3baa2617 2022-02-16 op fatal("pledge");
319 3baa2617 2022-02-16 op while (!halted) {
320 3baa2617 2022-02-16 op while (nextfd == -1)
321 1489a53d 2022-02-16 op player_dispatch();
323 239029b6 2022-05-09 op r = player_playnext();
325 06412529 2022-05-09 op player_senderr();
327 06412529 2022-05-09 op player_sendeof();