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 5a4b3030 2022-03-09 op static struct imsgbuf *ibuf;
44 3baa2617 2022-02-16 op static int nextfd = -1;
46 3baa2617 2022-02-16 op volatile sig_atomic_t halted;
49 3baa2617 2022-02-16 op player_signal_handler(int signo)
55 ee5ab27d 2022-06-09 op player_init(void)
57 3baa2617 2022-02-16 op if ((hdl = sio_open(SIO_DEVANY, SIO_PLAY, 0)) == NULL)
58 3baa2617 2022-02-16 op fatal("sio_open");
60 3baa2617 2022-02-16 op if (!sio_start(hdl))
61 3baa2617 2022-02-16 op fatal("sio_start");
65 e24324f1 2022-02-21 op player_setup(int bits, int rate, int channels)
67 3baa2617 2022-02-16 op struct sio_par par;
69 a728254f 2022-02-23 op log_debug("%s: bits=%d, rate=%d, channels=%d", __func__,
70 a728254f 2022-02-23 op bits, rate, channels);
72 3baa2617 2022-02-16 op sio_stop(hdl);
74 3baa2617 2022-02-16 op sio_initpar(&par);
75 e24324f1 2022-02-21 op par.bits = bits;
76 3baa2617 2022-02-16 op par.rate = rate;
77 7fc831ea 2022-02-18 op par.pchan = channels;
78 3baa2617 2022-02-16 op if (!sio_setpar(hdl, &par) || !sio_getpar(hdl, &par)) {
79 f002c42a 2022-05-09 op log_warnx("invalid params (bits=%d, rate=%d, channels=%d",
80 f002c42a 2022-05-09 op bits, rate, channels);
84 e24324f1 2022-02-21 op if (par.bits != bits || par.pchan != channels) {
85 7fc831ea 2022-02-18 op log_warnx("failed to set params");
89 3baa2617 2022-02-16 op /* TODO: check the sample rate? */
91 3baa2617 2022-02-16 op if (!sio_start(hdl)) {
92 3baa2617 2022-02-16 op log_warn("sio_start");
99 3baa2617 2022-02-16 op player_pendingimsg(void)
101 3baa2617 2022-02-16 op struct pollfd pfd;
104 3baa2617 2022-02-16 op if (halted != 0)
107 3baa2617 2022-02-16 op pfd.fd = ibuf->fd;
108 9fdc3eb6 2022-02-16 op pfd.events = POLLIN;
110 3baa2617 2022-02-16 op r = poll(&pfd, 1, 0);
112 3baa2617 2022-02-16 op fatal("poll");
117 3baa2617 2022-02-16 op player_enqueue(struct imsg *imsg)
119 3baa2617 2022-02-16 op if (nextfd != -1)
120 3baa2617 2022-02-16 op fatalx("track already enqueued");
122 3baa2617 2022-02-16 op if ((nextfd = imsg->fd) == -1)
123 3baa2617 2022-02-16 op fatalx("%s: got invalid file descriptor", __func__);
124 a975dca9 2022-05-10 op log_debug("song enqueued");
127 3baa2617 2022-02-16 op /* process only one message */
129 3baa2617 2022-02-16 op player_dispatch(void)
131 fc4a38af 2022-05-19 op struct pollfd pfd;
132 3baa2617 2022-02-16 op struct imsg imsg;
136 3baa2617 2022-02-16 op if (halted != 0)
137 3baa2617 2022-02-16 op return IMSG_STOP;
140 3baa2617 2022-02-16 op if ((n = imsg_get(ibuf, &imsg)) == -1)
141 3baa2617 2022-02-16 op fatal("imsg_get");
142 926ee836 2022-05-19 op if (n == 0) {
143 926ee836 2022-05-19 op pfd.fd = ibuf->fd;
144 926ee836 2022-05-19 op pfd.events = POLLIN;
145 926ee836 2022-05-19 op if (poll(&pfd, 1, INFTIM) == -1)
146 926ee836 2022-05-19 op fatal("poll");
147 926ee836 2022-05-19 op if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN)
148 926ee836 2022-05-19 op fatal("imsg_read");
150 926ee836 2022-05-19 op fatalx("pipe closed");
154 3baa2617 2022-02-16 op ret = imsg.hdr.type;
155 3baa2617 2022-02-16 op switch (imsg.hdr.type) {
156 3baa2617 2022-02-16 op case IMSG_PLAY:
157 3baa2617 2022-02-16 op player_enqueue(&imsg);
158 3baa2617 2022-02-16 op ret = IMSG_STOP;
160 3baa2617 2022-02-16 op case IMSG_RESUME:
161 3baa2617 2022-02-16 op case IMSG_PAUSE:
162 3baa2617 2022-02-16 op case IMSG_STOP:
165 3baa2617 2022-02-16 op fatalx("unknown imsg %d", imsg.hdr.type);
172 3baa2617 2022-02-16 op player_senderr(void)
174 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_ERR, 0, 0, -1, NULL, 0);
175 3baa2617 2022-02-16 op imsg_flush(ibuf);
179 3baa2617 2022-02-16 op player_sendeof(void)
181 3baa2617 2022-02-16 op imsg_compose(ibuf, IMSG_EOF, 0, 0, -1, NULL, 0);
182 3baa2617 2022-02-16 op imsg_flush(ibuf);
186 3baa2617 2022-02-16 op player_playnext(void)
188 bf19b03e 2022-05-09 op static char buf[512];
190 3baa2617 2022-02-16 op int fd = nextfd;
192 3baa2617 2022-02-16 op assert(nextfd != -1);
195 bf19b03e 2022-05-09 op r = read(fd, buf, sizeof(buf));
197 bf19b03e 2022-05-09 op /* 8 byte is the larger magic number */
199 a975dca9 2022-05-10 op log_warn("read failed");
203 bf19b03e 2022-05-09 op if (lseek(fd, 0, SEEK_SET) == -1) {
204 bf19b03e 2022-05-09 op log_warn("lseek failed");
208 bf19b03e 2022-05-09 op if (memcmp(buf, "fLaC", 4) == 0)
209 bf19b03e 2022-05-09 op return play_flac(fd);
210 bf19b03e 2022-05-09 op if (memcmp(buf, "ID3", 3) == 0 ||
211 bf19b03e 2022-05-09 op memcmp(buf, "\xFF\xFB", 2) == 0)
212 bf19b03e 2022-05-09 op return play_mp3(fd);
213 bf19b03e 2022-05-09 op if (memmem(buf, r, "OpusHead", 8) != NULL)
214 06412529 2022-05-09 op return play_opus(fd);
215 bf19b03e 2022-05-09 op if (memmem(buf, r, "OggS", 4) != NULL)
216 bf19b03e 2022-05-09 op return play_oggvorbis(fd);
218 a975dca9 2022-05-10 op log_warnx("unknown file type");
225 3baa2617 2022-02-16 op player_pause(void)
229 3baa2617 2022-02-16 op r = player_dispatch();
230 3baa2617 2022-02-16 op return r == IMSG_RESUME;
234 3baa2617 2022-02-16 op player_shouldstop(void)
236 3baa2617 2022-02-16 op if (!player_pendingimsg())
239 3baa2617 2022-02-16 op switch (player_dispatch()) {
240 3baa2617 2022-02-16 op case IMSG_PAUSE:
241 3baa2617 2022-02-16 op if (player_pause())
243 3baa2617 2022-02-16 op /* fallthrough */
244 3baa2617 2022-02-16 op case IMSG_STOP:
252 2139c525 2022-03-09 op play(const void *buf, size_t len)
254 2139c525 2022-03-09 op if (player_shouldstop())
256 2139c525 2022-03-09 op sio_write(hdl, buf, len);
261 3baa2617 2022-02-16 op player(int debug, int verbose)
265 3baa2617 2022-02-16 op log_init(debug, LOG_DAEMON);
266 3baa2617 2022-02-16 op log_setverbose(verbose);
268 3baa2617 2022-02-16 op setproctitle("player");
269 3baa2617 2022-02-16 op log_procinit("player");
273 3baa2617 2022-02-16 op static int attached;
275 3baa2617 2022-02-16 op while (!attached)
280 ee5ab27d 2022-06-09 op player_init();
282 3baa2617 2022-02-16 op ibuf = xmalloc(sizeof(*ibuf));
283 3baa2617 2022-02-16 op imsg_init(ibuf, 3);
285 3baa2617 2022-02-16 op signal(SIGINT, player_signal_handler);
286 3baa2617 2022-02-16 op signal(SIGTERM, player_signal_handler);
288 3baa2617 2022-02-16 op signal(SIGHUP, SIG_IGN);
289 3baa2617 2022-02-16 op signal(SIGPIPE, SIG_IGN);
291 251e00ff 2022-03-10 op if (pledge("stdio recvfd audio", NULL) == -1)
292 3baa2617 2022-02-16 op fatal("pledge");
294 3baa2617 2022-02-16 op while (!halted) {
295 3baa2617 2022-02-16 op while (nextfd == -1)
296 1489a53d 2022-02-16 op player_dispatch();
298 239029b6 2022-05-09 op r = player_playnext();
300 06412529 2022-05-09 op player_senderr();
302 06412529 2022-05-09 op player_sendeof();