1 /*
2 iecdump - dump IEC958 status bits on ALSA
3 Copyright (C) 2003 by Takashi Iwai <tiwai@suse.de>
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 #include <stdio.h>
21 #include <alsa/asoundlib.h>
22
23 struct category_str {
24 int val;
25 const char *name;
26 };
27
28 static const struct category_str con_category[] = {
29 { IEC958_AES1_CON_GENERAL, "general" },
30
31 { IEC958_AES1_CON_IEC908_CD, "CD" },
32 { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
33 { IEC958_AES1_CON_MINI_DISC, "Mini-Disc" },
34 { IEC958_AES1_CON_DVD, "DVD" },
35
36 { IEC958_AES1_CON_PCM_CODER, "PCM coder" },
37 { IEC958_AES1_CON_MIXER, "digital signal mixer" },
38 { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
39 { IEC958_AES1_CON_SAMPLER, "sampler" },
40 { IEC958_AES1_CON_DSP, "digital sound processor" },
41
42 { IEC958_AES1_CON_DAT, "DAT" },
43 { IEC958_AES1_CON_VCR, "VCR" },
44 { IEC958_AES1_CON_DCC, "DCC" },
45 { IEC958_AES1_CON_MAGNETIC_DISC, "magnetic disc" },
46
47 { IEC958_AES1_CON_DAB_JAPAN, "digital audio broadcast (Japan)" },
48 { IEC958_AES1_CON_DAB_EUROPE, "digital audio broadcast (Europe)" },
49 { IEC958_AES1_CON_DAB_USA, "digital audio broadcast (USA)" },
50 { IEC958_AES1_CON_SOFTWARE, "software delivery" },
51
52 { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
53 { IEC958_AES1_CON_MICROPHONE, "microphone" },
54
55 { IEC958_AES1_CON_ADC, "ADC without copyright information" },
56
57 { IEC958_AES1_CON_ADC_COPYRIGHT, "ADC with copyright information" },
58
59 { IEC958_AES1_CON_SOLIDMEM_DIGITAL_RECORDER_PLAYER, "flash memory recorder/player" },
60
61 { IEC958_AES1_CON_EXPERIMENTAL, "experimental" },
62 };
63
64
65 #define ARRAY_SIZE(x) (int)(sizeof(x)/sizeof(x[0]))
66
dump_iec958(snd_aes_iec958_t * iec)67 void dump_iec958(snd_aes_iec958_t *iec)
68 {
69 int i;
70
71 if (! (iec->status[0] & IEC958_AES0_PROFESSIONAL)) {
72 /* consumer */
73 printf("Mode: consumer\n");
74 printf("Data: ");
75 if (!(iec->status[0] & IEC958_AES0_NONAUDIO)) {
76 printf("audio\n");
77 } else {
78 printf("non-audio\n");
79 }
80 printf("Rate: ");
81 switch (iec->status[3] & IEC958_AES3_CON_FS) {
82 case IEC958_AES3_CON_FS_22050:
83 printf("22050 Hz\n");
84 break;
85 case IEC958_AES3_CON_FS_24000:
86 printf("24000 Hz\n");
87 break;
88 case IEC958_AES3_CON_FS_32000:
89 printf("32000 Hz\n");
90 break;
91 case IEC958_AES3_CON_FS_44100:
92 printf("44100 Hz\n");
93 break;
94 case IEC958_AES3_CON_FS_48000:
95 printf("48000 Hz\n");
96 break;
97 case IEC958_AES3_CON_FS_88200:
98 printf("88200 Hz\n");
99 break;
100 case IEC958_AES3_CON_FS_96000:
101 printf("96000 Hz\n");
102 break;
103 case IEC958_AES3_CON_FS_176400:
104 printf("176400 Hz\n");
105 break;
106 case IEC958_AES3_CON_FS_192000:
107 printf("192000 Hz\n");
108 break;
109 case IEC958_AES3_CON_FS_768000:
110 printf("768000 Hz\n");
111 break;
112 case IEC958_AES3_CON_FS_NOTID:
113 printf("not indicated\n");
114 break;
115 default:
116 printf("unknown\n");
117 break;
118 }
119 printf("Copyright: ");
120 if (iec->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
121 printf("permitted\n");
122 } else {
123 printf("protected\n");
124 }
125 printf("Emphasis: ");
126 if ((iec->status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
127 printf("none\n");
128 } else {
129 printf("50/15us\n");
130 }
131 printf("Category: ");
132 for (i = 0; i < ARRAY_SIZE(con_category); i++) {
133 if ((iec->status[1] & IEC958_AES1_CON_CATEGORY) == con_category[i].val) {
134 printf("%s\n", con_category[i].name);
135 break;
136 }
137 }
138 if (i >= ARRAY_SIZE(con_category)) {
139 printf("unknown 0x%x\n", iec->status[1] & IEC958_AES1_CON_CATEGORY);
140 }
141 printf("Original: ");
142 if (iec->status[1] & IEC958_AES1_CON_ORIGINAL) {
143 printf("original\n");
144 } else {
145 printf("1st generation\n");
146 }
147 printf("Clock: ");
148 switch (iec->status[3] & IEC958_AES3_CON_CLOCK) {
149 case IEC958_AES3_CON_CLOCK_1000PPM:
150 printf("1000 ppm\n");
151 break;
152 case IEC958_AES3_CON_CLOCK_50PPM:
153 printf("50 ppm\n");
154 break;
155 case IEC958_AES3_CON_CLOCK_VARIABLE:
156 printf("variable pitch\n");
157 break;
158 default:
159 printf("unknown\n");
160 break;
161 }
162 } else {
163 printf("Mode: professional\n");
164 printf("Data: ");
165 if (!(iec->status[0] & IEC958_AES0_NONAUDIO)) {
166 printf("audio\n");
167 } else {
168 printf("non-audio\n");
169 }
170 printf("Rate: ");
171 switch (iec->status[0] & IEC958_AES0_PRO_FS) {
172 case IEC958_AES0_PRO_FS_44100:
173 printf("44100 Hz\n");
174 break;
175 case IEC958_AES0_PRO_FS_48000:
176 printf("48000 Hz\n");
177 break;
178 case IEC958_AES0_PRO_FS_32000:
179 printf("32000 Hz\n");
180 break;
181 default:
182 printf("unknown\n");
183 break;
184 }
185 printf("Rate Locked: ");
186 if (iec->status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
187 printf("no\n");
188 else
189 printf("yes\n");
190 printf("Emphasis: ");
191 switch (iec->status[0] & IEC958_AES0_PRO_EMPHASIS) {
192 case IEC958_AES0_PRO_EMPHASIS_CCITT:
193 printf("CCITT J.17\n");
194 break;
195 case IEC958_AES0_PRO_EMPHASIS_NONE:
196 printf("none\n");
197 break;
198 case IEC958_AES0_PRO_EMPHASIS_5015:
199 printf("50/15us\n");
200 break;
201 case IEC958_AES0_PRO_EMPHASIS_NOTID:
202 default:
203 printf("unknown\n");
204 break;
205 }
206 printf("Stereophonic: ");
207 if ((iec->status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
208 printf("stereo\n");
209 } else {
210 printf("not indicated\n");
211 }
212 printf("Userbits: ");
213 switch (iec->status[1] & IEC958_AES1_PRO_USERBITS) {
214 case IEC958_AES1_PRO_USERBITS_192:
215 printf("192bit\n");
216 break;
217 case IEC958_AES1_PRO_USERBITS_UDEF:
218 printf("user-defined\n");
219 break;
220 default:
221 printf("unknown\n");
222 break;
223 }
224 printf("Sample Bits: ");
225 switch (iec->status[2] & IEC958_AES2_PRO_SBITS) {
226 case IEC958_AES2_PRO_SBITS_20:
227 printf("20 bit\n");
228 break;
229 case IEC958_AES2_PRO_SBITS_24:
230 printf("24 bit\n");
231 break;
232 case IEC958_AES2_PRO_SBITS_UDEF:
233 printf("user defined\n");
234 break;
235 default:
236 printf("unknown\n");
237 break;
238 }
239 printf("Word Length: ");
240 switch (iec->status[2] & IEC958_AES2_PRO_WORDLEN) {
241 case IEC958_AES2_PRO_WORDLEN_22_18:
242 printf("22 bit or 18 bit\n");
243 break;
244 case IEC958_AES2_PRO_WORDLEN_23_19:
245 printf("23 bit or 19 bit\n");
246 break;
247 case IEC958_AES2_PRO_WORDLEN_24_20:
248 printf("24 bit or 20 bit\n");
249 break;
250 case IEC958_AES2_PRO_WORDLEN_20_16:
251 printf("20 bit or 16 bit\n");
252 break;
253 default:
254 printf("unknown\n");
255 break;
256 }
257 }
258 }
259
260