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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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609
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39 int
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2286
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40 esd_play_sound_file (Extbyte *file, int UNUSED (vol))
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398
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41 { /* #### FIXME: vol is ignored */
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42 return esd_play_file(ESD_NAME, file, 0);
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43 }
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44
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2367
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45 int esd_play_sound_data (Binbyte *data, size_t length, int vol);
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609
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46 int
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2367
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47 esd_play_sound_data (Binbyte *data, size_t length, int UNUSED (vol))
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398
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48 { /* #### FIXME: vol is ignored */
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49 size_t (*parsesndfile)(void **dayta,size_t *sz,void **outbuf);
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50 size_t (*sndcnv)(void **dayta,size_t *sz,void **);
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51 fmtType ffmt;
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52 int fmt,speed,tracks;
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53 unsigned char *pptr,*optr,*cptr,*sptr;
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1261
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54 Bytecount wrtn, crtn;
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398
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55 size_t prtn;
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56 int flags, sock;
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57
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58 /* analyze_format needs at least this many bytes to work with */
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59 if (length < HEADERSZ)
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60 return 0;
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61
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62 ffmt = analyze_format(data,&fmt,&speed,&tracks,&parsesndfile);
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63
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64 if (ffmt != fmtRaw && ffmt != fmtSunAudio && ffmt != fmtWave) {
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564
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65 sound_warn("Unsupported file format (neither RAW, nor Sun/DECAudio, nor WAVE)");
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398
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66 return 0;
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67 }
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68
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69 /* convert header information into ESD flags */
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70 flags = ESD_STREAM|ESD_PLAY;
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71 sndcnv = sndcnvnop;
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72 switch (fmt)
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73 {
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74 case AFMT_MU_LAW:
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75 sndcnv = sndcnvULaw_2linear;
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76 flags |= ESD_BITS8;
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77 break;
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78 case AFMT_S8:
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79 sndcnv = sndcnv2unsigned; /* ESD needs unsigned bytes */
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80 case AFMT_U8:
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81 flags |= ESD_BITS8;
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82 break;
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83 case AFMT_S16_BE:
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84 sndcnv = sndcnv16swap; /* ESD wants little endian */
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85 case AFMT_S16_LE:
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86 flags |= ESD_BITS16;
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87 break;
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88 default:
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564
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89 {
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90 Extbyte warn_buf[255];
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91 sprintf (warn_buf, "byte format %d unimplemented", fmt);
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92 sound_warn (warn_buf);
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93 return 0;
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94 }
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398
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95 }
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96 switch (tracks)
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97 {
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98 case 1: flags |= ESD_MONO; break;
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99 case 2: flags |= ESD_STEREO; break;
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100 default:
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564
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101 {
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102 Extbyte warn_buf[255];
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103 sprintf (warn_buf, "%d channels - only 1 or 2 supported", tracks);
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104 sound_warn (warn_buf);
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105 return 0;
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106 }
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398
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107 }
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108
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109 sock = esd_play_stream(flags, speed, NULL, "xemacs");
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110 if (sock < 0)
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111 return 0;
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112
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113 reset_parsestate();
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114
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115 for (pptr = data; (prtn = parsesndfile((void **)&pptr,&length,
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116 (void **)&optr)) > 0; )
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117 for (cptr = optr; (crtn = sndcnv((void **)&cptr,&prtn,
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1261
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118 (void **)&sptr)) > 0; )
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119 {
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120 if ((wrtn = write(sock,sptr,crtn)) < 0)
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121 {
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122 sound_perror ("write error");
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123 goto END_OF_PLAY;
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124 }
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125 if (wrtn != crtn)
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126 {
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127 Extbyte warn_buf[255];
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128 sprintf (warn_buf, "only wrote %ld of %ld bytes", wrtn, crtn);
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129 sound_warn (warn_buf);
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130 goto END_OF_PLAY;
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131 }
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398
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132 }
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133
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134 if (ffmt == fmtWave)
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135 parse_wave_complete();
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136
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137 END_OF_PLAY:
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138 /* Now cleanup all used resources */
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139
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140 close(sock);
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141 return 1;
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142 }
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