source: roaraudio/roard/codecfilter_sndfile.c @ 3811:49db840fb4f4

Last change on this file since 3811:49db840fb4f4 was 3811:49db840fb4f4, checked in by phi, 14 years ago

fixed some copyright statements

File size: 5.0 KB
Line 
1//codecfilter_sndfile.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2010
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 */
25
26#include "roard.h"
27
28#ifdef ROAR_HAVE_LIBSNDFILE
29
30int cf_sndfile_open(CODECFILTER_USERDATA_T * inst, int codec,
31                                            struct roar_stream_server * info,
32                                            struct roar_codecfilter   * filter) {
33 struct codecfilter_sndfile_inst * obj;
34
35 if ( (obj = (struct codecfilter_sndfile_inst *) malloc(sizeof(struct codecfilter_sndfile_inst))) == NULL )
36  return -1;
37
38 memset(obj, 0, sizeof(struct codecfilter_sndfile_inst));
39
40 obj->stream = info;
41
42 ROAR_STREAM(info)->info.codec = ROAR_CODEC_DEFAULT;
43
44 *inst = (CODECFILTER_USERDATA_T) obj;
45
46/*
47 s->info.bits  = 16;
48 s->info.codec = ROAR_CODEC_DEFAULT;
49*/
50
51 ROAR_WARN("cf_sndfile_open(*) = 0");
52
53 return 0;
54}
55
56int cf_sndfile_close(CODECFILTER_USERDATA_T   inst) {
57 struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst;
58
59 if ( obj->state != NULL )
60  sf_close(obj->state);
61
62 free(obj);
63
64 return 0;
65}
66
67int cf_sndfile_read(CODECFILTER_USERDATA_T   inst, char * buf, int len) {
68 struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst;
69 struct roar_stream * s = ROAR_STREAM(obj->stream);
70 int ret;
71
72 if ( obj->opened ) {
73  len /= obj->bytes;
74
75  if ( obj->bytes == 2 ) {
76   if ( (ret = sf_read_short(obj->state, (short*)buf, len)) == -1 )
77    return -1;
78  } else if ( obj->bytes == 4 ) {
79   if ( (ret = sf_read_int(obj->state, (int*)buf, len)) == -1 )
80    return -1;
81  } else {
82   errno = ENOSYS;
83   return -1;
84  }
85
86  return ret * obj->bytes;
87 } else {
88  if ( (obj->state = sf_open_fd(s->fh, SFM_READ, &(obj->info), 0)) == NULL ) {
89   ROAR_ERR("cf_sndfile_read(*): can not sf_open_fd(*)!");
90   return -1;
91  }
92  ROAR_WARN("cf_sndfile_read(*): obj->info={.format=0x%.8x, .samplerate=%i, .channels=%i}", obj->info.format, obj->info.samplerate, obj->info.channels);
93
94  s->info.codec    = ROAR_CODEC_DEFAULT;
95  s->info.rate     = obj->info.samplerate;
96  s->info.channels = obj->info.channels;
97
98  obj->bytes       = 2;
99  if ( (obj->info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_24 ||
100       (obj->info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_32   ) {
101   obj->bytes      = 4;
102  }
103
104  s->info.bits     = obj->bytes * 8;
105
106  obj->opened      = 1;
107  errno = EAGAIN;
108 }
109
110 return -1;
111}
112
113int cf_sndfile_write(CODECFILTER_USERDATA_T   inst, char * buf, int len) {
114 struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst;
115 struct roar_stream * s = ROAR_STREAM(obj->stream);
116 int ret;
117
118 ROAR_WARN("cf_sndfile_write(*): obj->opened=%i", obj->opened);
119
120 if ( !obj->opened ) {
121  if ( s->fh == -1 ) {
122   errno = EAGAIN;
123   return -1;
124  }
125
126  switch (s->info.codec) {
127   case ROAR_CODEC_PCM_S_LE:
128   case ROAR_CODEC_PCM_S_BE:
129     switch (s->info.bits) {
130      case  8:
131        obj->info.format = SF_FORMAT_PCM_S8;
132       break;
133      case 16:
134        obj->info.format = SF_FORMAT_PCM_16;
135       break;
136      case 24:
137        obj->info.format = SF_FORMAT_PCM_24;
138       break;
139      case 32:
140        obj->info.format = SF_FORMAT_PCM_32;
141       break;
142     }
143     //obj->info.format |= s->info.codec == ROAR_CODEC_PCM_S_LE ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG;
144     obj->info.format |= SF_ENDIAN_FILE;
145     obj->info.format |= SF_FORMAT_WAV;
146    break;
147   default:
148     ROAR_ERR("cf_sndfile_write(*): codec(%s) not supported!", roar_codec2str(s->info.bits));
149     return -1;
150    break;
151  }
152
153  obj->info.samplerate = s->info.rate;
154  obj->info.channels   = s->info.channels;
155  obj->info.sections   = 1;
156  obj->info.frames     = 182592; // 2147483647;
157  obj->info.seekable   = 1;
158  obj->info.format     = 0x00010002;
159
160  if ( (obj->state = sf_open_fd(s->fh, SFM_WRITE, &(obj->info), 0)) == NULL ) {
161   ROAR_ERR("cf_sndfile_write(*): can not sf_open_fd(*)!");
162   ROAR_ERR("cf_sndfile_write(*): s->fh=%i", s->fh);
163   ROAR_ERR("cf_sndfile_write(*): obj->info={.format=0x%.8x, .samplerate=%i, .channels=%i}", obj->info.format, obj->info.samplerate, obj->info.channels);
164   return -1;
165  }
166
167  obj->opened = 1;
168//  errno = EAGAIN;
169 }
170
171 ROAR_WARN("cf_sndfile_write(*): obj->opened=%i", obj->opened);
172 ret = sf_write_raw(obj->state, (void*) buf, len);
173 ROAR_WARN("cf_sndfile_write(inst=%p, buf=%p, len=%i) = %i", inst, buf, len, ret);
174 return ret;
175}
176
177#endif
178
179//ll
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