|
398
|
1 /* esd.c - play a sound over ESD
|
|
|
2
|
|
|
3 This file is part of XEmacs.
|
|
|
4
|
|
|
5 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
6 under the terms of the GNU General Public License as published by the
|
|
|
7 Free Software Foundation; either version 2, or (at your option) any
|
|
|
8 later version.
|
|
|
9
|
|
|
10 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
13 for more details.
|
|
|
14
|
|
|
15 You should have received a copy of the GNU General Public License
|
|
|
16 along with XEmacs; see the file COPYING. If not, write to
|
|
|
17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
18 Boston, MA 02111-1307, USA. */
|
|
|
19
|
|
|
20 /* Synched up with: Not in FSF. */
|
|
|
21
|
|
|
22 #ifdef HAVE_CONFIG_H
|
|
|
23 #include <config.h>
|
|
|
24 #endif
|
|
|
25
|
|
|
26 #include "lisp.h"
|
|
|
27 #include "miscplay.h"
|
|
|
28
|
|
|
29 #include <esd.h>
|
|
|
30
|
|
|
31 #include <unistd.h>
|
|
|
32 #include <fcntl.h>
|
|
|
33 #include <stdio.h>
|
|
|
34 #include <errno.h>
|
|
|
35 #include <string.h>
|
|
|
36
|
|
|
37 /* the name given to ESD - I think this should identify ourselves */
|
|
|
38 #define ESD_NAME "xemacs"
|
|
|
39
|
|
|
40 int esd_play_sound_file(char *file, int vol);
|
|
|
41 int esd_play_sound_file(char *file, int vol)
|
|
|
42 { /* #### FIXME: vol is ignored */
|
|
|
43 return esd_play_file(ESD_NAME, file, 0);
|
|
|
44 }
|
|
|
45
|
|
|
46 int esd_play_sound_data(unsigned char *data, size_t length, int vol);
|
|
|
47 int esd_play_sound_data(unsigned char *data, size_t length, int vol)
|
|
|
48 { /* #### FIXME: vol is ignored */
|
|
|
49 size_t (*parsesndfile)(void **dayta,size_t *sz,void **outbuf);
|
|
|
50 size_t (*sndcnv)(void **dayta,size_t *sz,void **);
|
|
|
51 fmtType ffmt;
|
|
|
52 int fmt,speed,tracks;
|
|
|
53 unsigned char *pptr,*optr,*cptr,*sptr;
|
|
|
54 ssize_t wrtn;
|
|
|
55 size_t crtn;
|
|
|
56 size_t prtn;
|
|
|
57 int flags, sock;
|
|
|
58
|
|
|
59 /* analyze_format needs at least this many bytes to work with */
|
|
|
60 if (length < HEADERSZ)
|
|
|
61 return 0;
|
|
|
62
|
|
|
63 ffmt = analyze_format(data,&fmt,&speed,&tracks,&parsesndfile);
|
|
|
64
|
|
|
65 if (ffmt != fmtRaw && ffmt != fmtSunAudio && ffmt != fmtWave) {
|
|
|
66 message(GETTEXT("audio: Unsupported file format (neither RAW, nor Sun/DECAudio, nor WAVE)"));
|
|
|
67 return 0;
|
|
|
68 }
|
|
|
69
|
|
|
70 /* convert header information into ESD flags */
|
|
|
71 flags = ESD_STREAM|ESD_PLAY;
|
|
|
72 sndcnv = sndcnvnop;
|
|
|
73 switch (fmt)
|
|
|
74 {
|
|
|
75 case AFMT_MU_LAW:
|
|
|
76 sndcnv = sndcnvULaw_2linear;
|
|
|
77 flags |= ESD_BITS8;
|
|
|
78 break;
|
|
|
79 case AFMT_S8:
|
|
|
80 sndcnv = sndcnv2unsigned; /* ESD needs unsigned bytes */
|
|
|
81 case AFMT_U8:
|
|
|
82 flags |= ESD_BITS8;
|
|
|
83 break;
|
|
|
84 case AFMT_S16_BE:
|
|
|
85 sndcnv = sndcnv16swap; /* ESD wants little endian */
|
|
|
86 case AFMT_S16_LE:
|
|
|
87 flags |= ESD_BITS16;
|
|
|
88 break;
|
|
|
89 default:
|
|
|
90 message(GETTEXT("audio: byte format %d unimplemented"), fmt);
|
|
|
91 return 0;
|
|
|
92 }
|
|
|
93 switch (tracks)
|
|
|
94 {
|
|
|
95 case 1: flags |= ESD_MONO; break;
|
|
|
96 case 2: flags |= ESD_STEREO; break;
|
|
|
97 default:
|
|
|
98 message(GETTEXT("audio: %d channels - only 1 or 2 supported"), tracks);
|
|
|
99 return 0;
|
|
|
100 }
|
|
|
101
|
|
|
102 sock = esd_play_stream(flags, speed, NULL, "xemacs");
|
|
|
103 if (sock < 0)
|
|
|
104 return 0;
|
|
|
105
|
|
|
106 reset_parsestate();
|
|
|
107
|
|
|
108 for (pptr = data; (prtn = parsesndfile((void **)&pptr,&length,
|
|
|
109 (void **)&optr)) > 0; )
|
|
|
110 for (cptr = optr; (crtn = sndcnv((void **)&cptr,&prtn,
|
|
|
111 (void **)&sptr)) > 0; ) {
|
|
|
112 if ((wrtn = write(sock,sptr,crtn)) < 0) {
|
|
|
113 message(GETTEXT("audio: write error (%s)"), strerror(errno));
|
|
|
114 goto END_OF_PLAY;
|
|
|
115 }
|
|
|
116 if (wrtn != crtn) {
|
|
|
117 message(GETTEXT("audio: only wrote %d of %d bytes"), wrtn, crtn);
|
|
|
118 goto END_OF_PLAY;
|
|
|
119 }
|
|
|
120 }
|
|
|
121
|
|
|
122 if (ffmt == fmtWave)
|
|
|
123 parse_wave_complete();
|
|
|
124
|
|
|
125 END_OF_PLAY:
|
|
|
126 /* Now cleanup all used resources */
|
|
|
127
|
|
|
128 close(sock);
|
|
|
129 return 1;
|
|
|
130 }
|
