Blob


1 /*
2 * Copyright (c) 2022 Omar Polo <op@openbsd.org>
3 *
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.
7 *
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.
15 */
17 #include <sys/types.h>
18 #include <sys/queue.h>
19 #include <sys/uio.h>
21 #include <err.h>
22 #include <event.h>
23 #include <fcntl.h>
24 #include <math.h>
25 #include <inttypes.h>
26 #include <limits.h>
27 #include <stdio.h>
28 #include <stdint.h>
29 #include <imsg.h>
30 #include <unistd.h>
32 #include <vorbis/codec.h>
33 #include <vorbis/vorbisfile.h>
35 #include "amused.h"
36 #include "log.h"
38 #ifndef nitems
39 #define nitems(x) (sizeof(x)/sizeof(x[0]))
40 #endif
42 int
43 play_oggvorbis(int fd)
44 {
45 static uint8_t pcmout[4096];
46 FILE *f;
47 OggVorbis_File vf;
48 vorbis_info *vi;
49 int current_section, eof = 0, ret = 0;
51 if ((f = fdopen(fd, "r")) == NULL)
52 err(1, "fdopen");
54 if (ov_open_callbacks(f, &vf, NULL, 0, OV_CALLBACKS_NOCLOSE) < 0) {
55 log_warnx("input is not an Ogg bitstream");
56 ret = -1;
57 goto end;
58 }
60 /*
61 * we could extract some tags by looping over the NULL
62 * terminated array returned by ov_comment(&vf, -1), see
63 * previous revision of this file.
64 */
65 vi = ov_info(&vf, -1);
66 if (player_setup(16, vi->rate, vi->channels) == -1)
67 err(1, "player_setup");
69 while (!eof) {
70 long r;
72 r = ov_read(&vf, pcmout, sizeof(pcmout), 0, 2, 1,
73 &current_section);
74 if (r == 0)
75 eof = 1;
76 else if (r > 0) {
77 /* TODO: deal with sample rate changes */
78 if (!play(pcmout, r)) {
79 ret = 1;
80 break;
81 }
82 }
83 }
85 ov_clear(&vf);
87 end:
88 fclose(f);
89 return ret;
90 }