/*
iecdump - dump IEC958 status bits on ALSA
Copyright (C) 2003 by Takashi Iwai <tiwai@suse.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <alsa/asoundlib.h>
struct category_str {
int val;
const char *name;
};
static const struct category_str con_category[] = {
{ IEC958_AES1_CON_GENERAL, "general" },
{ IEC958_AES1_CON_IEC908_CD, "CD" },
{ IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
{ IEC958_AES1_CON_MINI_DISC, "Mini-Disc" },
{ IEC958_AES1_CON_DVD, "DVD" },
{ IEC958_AES1_CON_PCM_CODER, "PCM coder" },
{ IEC958_AES1_CON_MIXER, "digital signal mixer" },
{ IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
{ IEC958_AES1_CON_SAMPLER, "sampler" },
{ IEC958_AES1_CON_DSP, "digital sound processor" },
{ IEC958_AES1_CON_DAT, "DAT" },
{ IEC958_AES1_CON_VCR, "VCR" },
{ IEC958_AES1_CON_DCC, "DCC" },
{ IEC958_AES1_CON_MAGNETIC_DISC, "magnetic disc" },
{ IEC958_AES1_CON_DAB_JAPAN, "digital audio broadcast (Japan)" },
{ IEC958_AES1_CON_DAB_EUROPE, "digital audio broadcast (Europe)" },
{ IEC958_AES1_CON_DAB_USA, "digital audio broadcast (USA)" },
{ IEC958_AES1_CON_SOFTWARE, "software delivery" },
{ IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
{ IEC958_AES1_CON_MICROPHONE, "microphone" },
{ IEC958_AES1_CON_ADC, "ADC without copyright information" },
{ IEC958_AES1_CON_ADC_COPYRIGHT, "ADC with copyright information" },
{ IEC958_AES1_CON_SOLIDMEM_DIGITAL_RECORDER_PLAYER, "flash memory recorder/player" },
{ IEC958_AES1_CON_EXPERIMENTAL, "experimental" },
};
#define ARRAY_SIZE(x) (int)(sizeof(x)/sizeof(x[0]))
void dump_iec958(snd_aes_iec958_t *iec)
{
int i;
if (! (iec->status[0] & IEC958_AES0_PROFESSIONAL)) {
/* consumer */
printf("Mode: consumer\n");
printf("Data: ");
if (!(iec->status[0] & IEC958_AES0_NONAUDIO)) {
printf("audio\n");
} else {
printf("non-audio\n");
}
printf("Rate: ");
switch (iec->status[3] & IEC958_AES3_CON_FS) {
case IEC958_AES3_CON_FS_22050:
printf("22050 Hz\n");
break;
case IEC958_AES3_CON_FS_24000:
printf("24000 Hz\n");
break;
case IEC958_AES3_CON_FS_32000:
printf("32000 Hz\n");
break;
case IEC958_AES3_CON_FS_44100:
printf("44100 Hz\n");
break;
case IEC958_AES3_CON_FS_48000:
printf("48000 Hz\n");
break;
case IEC958_AES3_CON_FS_88200:
printf("88200 Hz\n");
break;
case IEC958_AES3_CON_FS_96000:
printf("96000 Hz\n");
break;
case IEC958_AES3_CON_FS_176400:
printf("176400 Hz\n");
break;
case IEC958_AES3_CON_FS_192000:
printf("192000 Hz\n");
break;
case IEC958_AES3_CON_FS_768000:
printf("768000 Hz\n");
break;
case IEC958_AES3_CON_FS_NOTID:
printf("not indicated\n");
break;
default:
printf("unknown\n");
break;
}
printf("Copyright: ");
if (iec->status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
printf("permitted\n");
} else {
printf("protected\n");
}
printf("Emphasis: ");
if ((iec->status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
printf("none\n");
} else {
printf("50/15us\n");
}
printf("Category: ");
for (i = 0; i < ARRAY_SIZE(con_category); i++) {
if ((iec->status[1] & IEC958_AES1_CON_CATEGORY) == con_category[i].val) {
printf("%s\n", con_category[i].name);
break;
}
}
if (i >= ARRAY_SIZE(con_category)) {
printf("unknown 0x%x\n", iec->status[1] & IEC958_AES1_CON_CATEGORY);
}
printf("Original: ");
if (iec->status[1] & IEC958_AES1_CON_ORIGINAL) {
printf("original\n");
} else {
printf("1st generation\n");
}
printf("Clock: ");
switch (iec->status[3] & IEC958_AES3_CON_CLOCK) {
case IEC958_AES3_CON_CLOCK_1000PPM:
printf("1000 ppm\n");
break;
case IEC958_AES3_CON_CLOCK_50PPM:
printf("50 ppm\n");
break;
case IEC958_AES3_CON_CLOCK_VARIABLE:
printf("variable pitch\n");
break;
default:
printf("unknown\n");
break;
}
} else {
printf("Mode: professional\n");
printf("Data: ");
if (!(iec->status[0] & IEC958_AES0_NONAUDIO)) {
printf("audio\n");
} else {
printf("non-audio\n");
}
printf("Rate: ");
switch (iec->status[0] & IEC958_AES0_PRO_FS) {
case IEC958_AES0_PRO_FS_44100:
printf("44100 Hz\n");
break;
case IEC958_AES0_PRO_FS_48000:
printf("48000 Hz\n");
break;
case IEC958_AES0_PRO_FS_32000:
printf("32000 Hz\n");
break;
default:
printf("unknown\n");
break;
}
printf("Rate Locked: ");
if (iec->status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
printf("no\n");
else
printf("yes\n");
printf("Emphasis: ");
switch (iec->status[0] & IEC958_AES0_PRO_EMPHASIS) {
case IEC958_AES0_PRO_EMPHASIS_CCITT:
printf("CCITT J.17\n");
break;
case IEC958_AES0_PRO_EMPHASIS_NONE:
printf("none\n");
break;
case IEC958_AES0_PRO_EMPHASIS_5015:
printf("50/15us\n");
break;
case IEC958_AES0_PRO_EMPHASIS_NOTID:
default:
printf("unknown\n");
break;
}
printf("Stereophonic: ");
if ((iec->status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
printf("stereo\n");
} else {
printf("not indicated\n");
}
printf("Userbits: ");
switch (iec->status[1] & IEC958_AES1_PRO_USERBITS) {
case IEC958_AES1_PRO_USERBITS_192:
printf("192bit\n");
break;
case IEC958_AES1_PRO_USERBITS_UDEF:
printf("user-defined\n");
break;
default:
printf("unknown\n");
break;
}
printf("Sample Bits: ");
switch (iec->status[2] & IEC958_AES2_PRO_SBITS) {
case IEC958_AES2_PRO_SBITS_20:
printf("20 bit\n");
break;
case IEC958_AES2_PRO_SBITS_24:
printf("24 bit\n");
break;
case IEC958_AES2_PRO_SBITS_UDEF:
printf("user defined\n");
break;
default:
printf("unknown\n");
break;
}
printf("Word Length: ");
switch (iec->status[2] & IEC958_AES2_PRO_WORDLEN) {
case IEC958_AES2_PRO_WORDLEN_22_18:
printf("22 bit or 18 bit\n");
break;
case IEC958_AES2_PRO_WORDLEN_23_19:
printf("23 bit or 19 bit\n");
break;
case IEC958_AES2_PRO_WORDLEN_24_20:
printf("24 bit or 20 bit\n");
break;
case IEC958_AES2_PRO_WORDLEN_20_16:
printf("20 bit or 16 bit\n");
break;
default:
printf("unknown\n");
break;
}
}
}