Mercurial > hg > xemacs-beta
annotate src/esd.c @ 5448:89331fa1c819
Merged with trunk.
| author | Mats Lidell <matsl@xemacs.org> |
|---|---|
| date | Thu, 06 Jan 2011 00:35:22 +0100 |
| parents | 308d34e9f07d |
| children | 90dcf2376909 |
| rev | line source |
|---|---|
| 398 | 1 /* esd.c - play a sound over ESD |
| 2 | |
| 3 This file is part of XEmacs. | |
| 4 | |
|
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5 XEmacs is free software: you can redistribute it and/or modify it |
| 398 | 6 under the terms of the GNU General Public License as published by the |
|
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Mats Lidell <matsl@xemacs.org>
parents:
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changeset
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7 Free Software Foundation, either version 3 of the License, or (at your |
|
308d34e9f07d
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Mats Lidell <matsl@xemacs.org>
parents:
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diff
changeset
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8 option) any later version. |
| 398 | 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 | |
|
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Mats Lidell <matsl@xemacs.org>
parents:
2367
diff
changeset
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16 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 398 | 17 |
| 18 /* Synched up with: Not in FSF. */ | |
| 19 | |
| 563 | 20 /* This file Mule-ized by Ben Wing, 5-15-01. */ |
| 21 | |
| 398 | 22 #include <config.h> |
| 563 | 23 #include "lisp.h" |
| 398 | 24 |
| 25 #include "miscplay.h" | |
| 563 | 26 #include "sound.h" |
| 27 | |
| 28 #include "sysfile.h" | |
| 398 | 29 |
| 30 #include <esd.h> | |
| 31 | |
| 32 | |
| 33 /* the name given to ESD - I think this should identify ourselves */ | |
| 34 #define ESD_NAME "xemacs" | |
| 35 | |
| 563 | 36 int esd_play_sound_file (Extbyte *file, int vol); |
| 609 | 37 int |
| 2286 | 38 esd_play_sound_file (Extbyte *file, int UNUSED (vol)) |
| 398 | 39 { /* #### FIXME: vol is ignored */ |
| 40 return esd_play_file(ESD_NAME, file, 0); | |
| 41 } | |
| 42 | |
| 2367 | 43 int esd_play_sound_data (Binbyte *data, size_t length, int vol); |
| 609 | 44 int |
| 2367 | 45 esd_play_sound_data (Binbyte *data, size_t length, int UNUSED (vol)) |
| 398 | 46 { /* #### FIXME: vol is ignored */ |
| 47 size_t (*parsesndfile)(void **dayta,size_t *sz,void **outbuf); | |
| 48 size_t (*sndcnv)(void **dayta,size_t *sz,void **); | |
| 49 fmtType ffmt; | |
| 50 int fmt,speed,tracks; | |
| 51 unsigned char *pptr,*optr,*cptr,*sptr; | |
| 1261 | 52 Bytecount wrtn, crtn; |
| 398 | 53 size_t prtn; |
| 54 int flags, sock; | |
| 55 | |
| 56 /* analyze_format needs at least this many bytes to work with */ | |
| 57 if (length < HEADERSZ) | |
| 58 return 0; | |
| 59 | |
| 60 ffmt = analyze_format(data,&fmt,&speed,&tracks,&parsesndfile); | |
| 61 | |
| 62 if (ffmt != fmtRaw && ffmt != fmtSunAudio && ffmt != fmtWave) { | |
| 564 | 63 sound_warn("Unsupported file format (neither RAW, nor Sun/DECAudio, nor WAVE)"); |
| 398 | 64 return 0; |
| 65 } | |
| 66 | |
| 67 /* convert header information into ESD flags */ | |
| 68 flags = ESD_STREAM|ESD_PLAY; | |
| 69 sndcnv = sndcnvnop; | |
| 70 switch (fmt) | |
| 71 { | |
| 72 case AFMT_MU_LAW: | |
| 73 sndcnv = sndcnvULaw_2linear; | |
| 74 flags |= ESD_BITS8; | |
| 75 break; | |
| 76 case AFMT_S8: | |
| 77 sndcnv = sndcnv2unsigned; /* ESD needs unsigned bytes */ | |
| 78 case AFMT_U8: | |
| 79 flags |= ESD_BITS8; | |
| 80 break; | |
| 81 case AFMT_S16_BE: | |
| 82 sndcnv = sndcnv16swap; /* ESD wants little endian */ | |
| 83 case AFMT_S16_LE: | |
| 84 flags |= ESD_BITS16; | |
| 85 break; | |
| 86 default: | |
| 564 | 87 { |
| 88 Extbyte warn_buf[255]; | |
| 89 sprintf (warn_buf, "byte format %d unimplemented", fmt); | |
| 90 sound_warn (warn_buf); | |
| 91 return 0; | |
| 92 } | |
| 398 | 93 } |
| 94 switch (tracks) | |
| 95 { | |
| 96 case 1: flags |= ESD_MONO; break; | |
| 97 case 2: flags |= ESD_STEREO; break; | |
| 98 default: | |
| 564 | 99 { |
| 100 Extbyte warn_buf[255]; | |
| 101 sprintf (warn_buf, "%d channels - only 1 or 2 supported", tracks); | |
| 102 sound_warn (warn_buf); | |
| 103 return 0; | |
| 104 } | |
| 398 | 105 } |
| 106 | |
| 107 sock = esd_play_stream(flags, speed, NULL, "xemacs"); | |
| 108 if (sock < 0) | |
| 109 return 0; | |
| 110 | |
| 111 reset_parsestate(); | |
| 112 | |
| 113 for (pptr = data; (prtn = parsesndfile((void **)&pptr,&length, | |
| 114 (void **)&optr)) > 0; ) | |
| 115 for (cptr = optr; (crtn = sndcnv((void **)&cptr,&prtn, | |
| 1261 | 116 (void **)&sptr)) > 0; ) |
| 117 { | |
| 118 if ((wrtn = write(sock,sptr,crtn)) < 0) | |
| 119 { | |
| 120 sound_perror ("write error"); | |
| 121 goto END_OF_PLAY; | |
| 122 } | |
| 123 if (wrtn != crtn) | |
| 124 { | |
| 125 Extbyte warn_buf[255]; | |
| 126 sprintf (warn_buf, "only wrote %ld of %ld bytes", wrtn, crtn); | |
| 127 sound_warn (warn_buf); | |
| 128 goto END_OF_PLAY; | |
| 129 } | |
| 398 | 130 } |
| 131 | |
| 132 if (ffmt == fmtWave) | |
| 133 parse_wave_complete(); | |
| 134 | |
| 135 END_OF_PLAY: | |
| 136 /* Now cleanup all used resources */ | |
| 137 | |
| 138 close(sock); | |
| 139 return 1; | |
| 140 } |