source: roaraudio/roard/codecfilter_sndfile.c @ 5961:06e7fd9e4c25

Last change on this file since 5961:06e7fd9e4c25 was 5961:06e7fd9e4c25, checked in by phi, 10 years ago

Updates of copyright and license headers

File size: 5.1 KB
Line 
1//codecfilter_sndfile.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2014
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 (void)codec, (void)filter;
36
37 if ( (obj = (struct codecfilter_sndfile_inst *) roar_mm_malloc(sizeof(struct codecfilter_sndfile_inst))) == NULL )
38  return -1;
39
40 memset(obj, 0, sizeof(struct codecfilter_sndfile_inst));
41
42 obj->stream = info;
43
44 ROAR_STREAM(info)->info.codec = ROAR_CODEC_DEFAULT;
45
46 *inst = (CODECFILTER_USERDATA_T) obj;
47
48/*
49 s->info.bits  = 16;
50 s->info.codec = ROAR_CODEC_DEFAULT;
51*/
52
53 ROAR_WARN("cf_sndfile_open(*) = 0");
54
55 return 0;
56}
57
58int cf_sndfile_close(CODECFILTER_USERDATA_T   inst) {
59 struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst;
60
61 if ( obj->state != NULL )
62  sf_close(obj->state);
63
64 roar_mm_free(obj);
65
66 return 0;
67}
68
69int cf_sndfile_read(CODECFILTER_USERDATA_T   inst, char * buf, int len) {
70 struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst;
71 struct roar_stream * s = ROAR_STREAM(obj->stream);
72 int ret;
73
74 if ( obj->opened ) {
75  len /= obj->bytes;
76
77  if ( obj->bytes == 2 ) {
78   if ( (ret = sf_read_short(obj->state, (short*)buf, len)) == -1 )
79    return -1;
80  } else if ( obj->bytes == 4 ) {
81   if ( (ret = sf_read_int(obj->state, (int*)buf, len)) == -1 )
82    return -1;
83  } else {
84   errno = ENOSYS;
85   return -1;
86  }
87
88  return ret * obj->bytes;
89 } else {
90  if ( (obj->state = sf_open_fd(s->fh, SFM_READ, &(obj->info), 0)) == NULL ) {
91   ROAR_ERR("cf_sndfile_read(*): can not sf_open_fd(*)!");
92   return -1;
93  }
94  ROAR_WARN("cf_sndfile_read(*): obj->info={.format=0x%.8x, .samplerate=%i, .channels=%i}", obj->info.format, obj->info.samplerate, obj->info.channels);
95
96  s->info.codec    = ROAR_CODEC_DEFAULT;
97  s->info.rate     = obj->info.samplerate;
98  s->info.channels = obj->info.channels;
99
100  obj->bytes       = 2;
101  if ( (obj->info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_24 ||
102       (obj->info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_32   ) {
103   obj->bytes      = 4;
104  }
105
106  s->info.bits     = obj->bytes * 8;
107
108  obj->opened      = 1;
109  errno = EAGAIN;
110 }
111
112 return -1;
113}
114
115int cf_sndfile_write(CODECFILTER_USERDATA_T   inst, char * buf, int len) {
116 struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst;
117 struct roar_stream * s = ROAR_STREAM(obj->stream);
118 int ret;
119
120 ROAR_WARN("cf_sndfile_write(*): obj->opened=%i", obj->opened);
121
122 if ( !obj->opened ) {
123  if ( s->fh == -1 ) {
124   errno = EAGAIN;
125   return -1;
126  }
127
128  switch (s->info.codec) {
129   case ROAR_CODEC_PCM_S_LE:
130   case ROAR_CODEC_PCM_S_BE:
131     switch (s->info.bits) {
132      case  8:
133        obj->info.format = SF_FORMAT_PCM_S8;
134       break;
135      case 16:
136        obj->info.format = SF_FORMAT_PCM_16;
137       break;
138      case 24:
139        obj->info.format = SF_FORMAT_PCM_24;
140       break;
141      case 32:
142        obj->info.format = SF_FORMAT_PCM_32;
143       break;
144     }
145     //obj->info.format |= s->info.codec == ROAR_CODEC_PCM_S_LE ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG;
146     obj->info.format |= SF_ENDIAN_FILE;
147     obj->info.format |= SF_FORMAT_WAV;
148    break;
149   default:
150     ROAR_ERR("cf_sndfile_write(*): codec(%s) not supported!", roar_codec2str(s->info.bits));
151     return -1;
152    break;
153  }
154
155  obj->info.samplerate = s->info.rate;
156  obj->info.channels   = s->info.channels;
157  obj->info.sections   = 1;
158  obj->info.frames     = 182592; // 2147483647;
159  obj->info.seekable   = 1;
160  obj->info.format     = 0x00010002;
161
162  if ( (obj->state = sf_open_fd(s->fh, SFM_WRITE, &(obj->info), 0)) == NULL ) {
163   ROAR_ERR("cf_sndfile_write(*): can not sf_open_fd(*)!");
164   ROAR_ERR("cf_sndfile_write(*): s->fh=%i", s->fh);
165   ROAR_ERR("cf_sndfile_write(*): obj->info={.format=0x%.8x, .samplerate=%i, .channels=%i}", obj->info.format, obj->info.samplerate, obj->info.channels);
166   return -1;
167  }
168
169  obj->opened = 1;
170//  errno = EAGAIN;
171 }
172
173 ROAR_WARN("cf_sndfile_write(*): obj->opened=%i", obj->opened);
174 ret = sf_write_raw(obj->state, (void*) buf, len);
175 ROAR_WARN("cf_sndfile_write(inst=%p, buf=%p, len=%i) = %i", inst, buf, len, ret);
176 return ret;
177}
178
179#endif
180
181//ll
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