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398
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1 /* esd.c - play a sound over ESD
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2
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3 This file is part of XEmacs.
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4
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5 XEmacs is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU General Public License as published by the
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7 Free Software Foundation; either version 2, or (at your option) any
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8 later version.
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9
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10 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with XEmacs; see the file COPYING. If not, write to
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17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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18 Boston, MA 02111-1307, USA. */
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19
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20 /* Synched up with: Not in FSF. */
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21
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563
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22 /* This file Mule-ized by Ben Wing, 5-15-01. */
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23
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398
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24 #include <config.h>
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563
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25 #include "lisp.h"
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398
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26
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27 #include "miscplay.h"
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563
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28 #include "sound.h"
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29
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30 #include "sysfile.h"
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398
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31
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32 #include <esd.h>
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33
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34
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35 /* the name given to ESD - I think this should identify ourselves */
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36 #define ESD_NAME "xemacs"
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37
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563
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38 int esd_play_sound_file (Extbyte *file, int vol);
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39 int esd_play_sound_file (Extbyte *file, int vol)
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398
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40 { /* #### FIXME: vol is ignored */
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41 return esd_play_file(ESD_NAME, file, 0);
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42 }
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43
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563
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44 int esd_play_sound_data (UChar_Binary *data, size_t length, int vol);
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45 int esd_play_sound_data (UChar_Binary *data, size_t length, int vol)
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398
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46 { /* #### FIXME: vol is ignored */
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47 size_t (*parsesndfile)(void **dayta,size_t *sz,void **outbuf);
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48 size_t (*sndcnv)(void **dayta,size_t *sz,void **);
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49 fmtType ffmt;
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50 int fmt,speed,tracks;
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51 unsigned char *pptr,*optr,*cptr,*sptr;
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52 ssize_t wrtn;
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53 size_t crtn;
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54 size_t prtn;
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55 int flags, sock;
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56
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57 /* analyze_format needs at least this many bytes to work with */
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58 if (length < HEADERSZ)
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59 return 0;
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60
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61 ffmt = analyze_format(data,&fmt,&speed,&tracks,&parsesndfile);
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62
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63 if (ffmt != fmtRaw && ffmt != fmtSunAudio && ffmt != fmtWave) {
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563
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64 sound_warn("audio: Unsupported file format (neither RAW, nor Sun/DECAudio, nor WAVE)");
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398
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65 return 0;
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66 }
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67
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68 /* convert header information into ESD flags */
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69 flags = ESD_STREAM|ESD_PLAY;
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70 sndcnv = sndcnvnop;
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71 switch (fmt)
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72 {
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73 case AFMT_MU_LAW:
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74 sndcnv = sndcnvULaw_2linear;
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75 flags |= ESD_BITS8;
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76 break;
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77 case AFMT_S8:
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78 sndcnv = sndcnv2unsigned; /* ESD needs unsigned bytes */
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79 case AFMT_U8:
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80 flags |= ESD_BITS8;
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81 break;
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82 case AFMT_S16_BE:
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83 sndcnv = sndcnv16swap; /* ESD wants little endian */
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84 case AFMT_S16_LE:
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85 flags |= ESD_BITS16;
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86 break;
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87 default:
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563
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88 sound_warn ("audio: byte format %d unimplemented", fmt);
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398
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89 return 0;
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90 }
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91 switch (tracks)
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92 {
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93 case 1: flags |= ESD_MONO; break;
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94 case 2: flags |= ESD_STEREO; break;
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95 default:
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563
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96 sound_warn ("audio: %d channels - only 1 or 2 supported", tracks);
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398
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97 return 0;
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98 }
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99
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100 sock = esd_play_stream(flags, speed, NULL, "xemacs");
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101 if (sock < 0)
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102 return 0;
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103
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104 reset_parsestate();
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105
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106 for (pptr = data; (prtn = parsesndfile((void **)&pptr,&length,
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107 (void **)&optr)) > 0; )
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108 for (cptr = optr; (crtn = sndcnv((void **)&cptr,&prtn,
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109 (void **)&sptr)) > 0; ) {
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110 if ((wrtn = write(sock,sptr,crtn)) < 0) {
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563
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111 sound_perror ("audio: write error");
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398
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112 goto END_OF_PLAY;
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113 }
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114 if (wrtn != crtn) {
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563
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115 sound_warn ("audio: only wrote %d of %d bytes", wrtn, crtn);
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398
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116 goto END_OF_PLAY;
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117 }
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118 }
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119
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120 if (ffmt == fmtWave)
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121 parse_wave_complete();
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122
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123 END_OF_PLAY:
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124 /* Now cleanup all used resources */
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125
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126 close(sock);
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127 return 1;
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128 }
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