From: Takashi Iwai Date: Thu, 23 Oct 2003 16:54:32 +0000 (+0000) Subject: - moved iecset from alsa-lib/test. X-Git-Tag: v1.0.3~44 X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=5f8a137a7ab36b5e15ad9d28f438675640b49256;p=alsa-utils.git - moved iecset from alsa-lib/test. - added man page. --- diff --git a/Makefile.am b/Makefile.am index 6bb0416..89be84f 100644 --- a/Makefile.am +++ b/Makefile.am @@ -4,7 +4,7 @@ ALSAMIXER_DIR=alsamixer else ALSAMIXER_DIR= endif -SUBDIRS=include alsactl $(ALSAMIXER_DIR) amixer aplay seq utils +SUBDIRS=include alsactl $(ALSAMIXER_DIR) amixer aplay iecset seq utils EXTRA_DIST=ChangeLog INSTALL TODO README configure cvscompile depcomp rpm: dist diff --git a/configure.in b/configure.in index 2f0d238..73a1b82 100644 --- a/configure.in +++ b/configure.in @@ -65,5 +65,5 @@ AC_PROG_GCC_TRADITIONAL SAVE_UTIL_VERSION AC_OUTPUT(Makefile alsactl/Makefile alsamixer/Makefile amixer/Makefile aplay/Makefile \ - include/Makefile utils/Makefile utils/alsa-utils.spec \ + include/Makefile iecset/Makefile utils/Makefile utils/alsa-utils.spec \ seq/Makefile seq/aconnect/Makefile seq/aseqnet/Makefile) diff --git a/iecset/Makefile.am b/iecset/Makefile.am new file mode 100644 index 0000000..90f6b0e --- /dev/null +++ b/iecset/Makefile.am @@ -0,0 +1,9 @@ +INCLUDES = -I$(top_srcdir)/include +LDADD = -lm +# LDFLAGS = -static +# CFLAGS += -g -Wall + +bin_PROGRAMS = iecset +amixer_SOURCES = iecset.c iecbits.c +man_MANS = iecset.1 +EXTRA_DIST = iecset.1 diff --git a/iecset/iecbits.c b/iecset/iecbits.c new file mode 100644 index 0000000..8c62749 --- /dev/null +++ b/iecset/iecbits.c @@ -0,0 +1,213 @@ +/* + iecdump - dump IEC958 status bits on ALSA + Copyright (C) 2003 by Takashi Iwai + + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#include + +struct category_str { + int val; + const char *name; +}; + +static struct category_str con_category[] = { + { IEC958_AES1_CON_DAT, "DAT" }, + { IEC958_AES1_CON_VCR, "VCR" }, + { IEC958_AES1_CON_MICROPHONE, "microphone" }, + { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" }, + { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" }, + { IEC958_AES1_CON_MIXER, "mixer" }, + { IEC958_AES1_CON_SAMPLER, "sampler" }, + { IEC958_AES1_CON_PCM_CODER, "PCM coder" }, + { IEC958_AES1_CON_IEC908_CD, "CD" }, + { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" }, + { IEC958_AES1_CON_GENERAL, "general" }, +}; + + +#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_44100: + printf("44100 Hz\n"); + break; + case IEC958_AES3_CON_FS_48000: + printf("48000 Hz\n"); + break; + case IEC958_AES3_CON_FS_32000: + printf("32000 Hz\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("unkown\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; + } + } +} + diff --git a/iecset/iecset.1 b/iecset/iecset.1 new file mode 100644 index 0000000..c1280d3 --- /dev/null +++ b/iecset/iecset.1 @@ -0,0 +1,100 @@ +.TH iecset 1 "23 Oct 2003" +.SH NAME +iecset \- Set or dump IEC958 status bits + +.SH SYNOPSIS +\fBiecset\fP [\fIoptions\fP] [\fIcmd\fP \fIarg\fP...] + +.SH DESCRIPTION +\fBiecset\fP is a small utility to set or dump the IEC958 (or so-called +"S/PDIF") status bits of the specified sound card via ALSA control API. + +When \fBiecset\fP is started without arguments except for options, +it will show the current IEC958 status in a human-readable form. +When the commands are given in the arguments, they are parsed +and the IEC958 status bits are updated. The resultant status is +shown as well. + +The commands consist of the command directive and the argument. +As the boolean argument, \fIyes\fP, \fIno\fP, \fItrue\fP, \fIfalse\fI, +or a digit number is allowed. + +.SH EXAMPLES +.TP +.BI iecset\ \-Dhw:1 +Displays the current IEC958 status bits on the second card. +This is equivalent with \fI-c 1\fP. +.TP +.BI iecset\ \-x +Displays the current IEC958 status bits in a style of the arguments +for the PCM stream. The output string can be passed to the \fIiec958\fP +(or \fIspdif\fP) PCM type as the optional argument. +.TP +.BI iecset\ pro\ off\ audio\ off +Sets the current status to the consumer-mode and turns on the +non-audio bit. The modified status will be shown, too. + +.SH OPTIONS +.TP +\fI-D\fP device +Specifies the device name of the control to open +.TP +\fI-c\fP card +Specifies the card index to open. Equivalent with \fI-Dhw:x\fP. +.TP +\fI-x\fP +Dumps the status in the form of AESx bytes. +.TP +\fI-i\fP +Reads the command sequences from stdin. +Each line has single command. + +.SH COMMANDS +.TP +\fIprofessional\fP +The professional mode (true) or consumer mode (false). + +.TP +\fIaudio\fP +The audio mode (true) or non-audio mode (false). + +.TP +\fIrate\fP +The sample rate in Hz. + +.TP +\fIemphasis\fP +The emphasis: 0 = none, 1 = 50/15us, 2 = CCITT. + +.TP +\fIlock\fP +Rate lock: locked (true), unlocked (false). +This command is for the professional mode only. + +.TP +\fIsbits\fP +Sample bits: 2 = 20bit, 4 = 24bit, 6 = undefined. +This command is for the professional mode only. + +.TP +\fIwordlength\fP +Wordlength: 0 = No, 2 = 22-18 bit, 4 = 23-19 bit, 5 = 24-20 bit, 6 = 20-16 bit. +This command is for the professional mode only. + +.TP +\fIcategory\fP +Category: the value is from 0 to 0x7f. +This command is for the consumer mode only. + +.TP +\fIcopyright\fP +Copyright: copyrighted (true), non-copyrighted (false). +This command is for the consumer mode only. + +.TP +\fIoriginal\fP +Original flag: original (true), 1st generation (false). +This command is for the consumer mode only. + +.SH AUTHOR +Takashi Iwai diff --git a/iecset/iecset.c b/iecset/iecset.c new file mode 100644 index 0000000..af38491 --- /dev/null +++ b/iecset/iecset.c @@ -0,0 +1,369 @@ +/* + iecset - change IEC958 status bits on ALSA + Copyright (C) 2003 by Takashi Iwai + + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#include +#include + +#include "iecbits.c" + +static int get_bool(const char *str) +{ + if (strncmp(str, "yes", 3) == 0 || + strncmp(str, "YES", 3) == 0 || + strncmp(str, "on", 2) == 0 || + strncmp(str, "ON", 2) == 0 || + strncmp(str, "true", 4) == 0 || + strncmp(str, "TRUE", 4) == 0 || + *str == '1') + return 1; + return 0; +} + +enum { + CMD_BOOL, CMD_BOOL_INV, CMD_INT +}; + +enum { + IDX_PRO, IDX_NOAUDIO, IDX_RATE, IDX_UNLOCK, IDX_SBITS, IDX_WORD, IDX_EMP, IDX_CAT, IDX_NOCOPY, IDX_ORIG, + IDX_LAST +}; + +struct cmdtbl { + const char *name; + int idx; + int type; + const char *desc; +}; + +static struct cmdtbl cmds[] = { + { "pro", IDX_PRO, CMD_BOOL, + "professional (common)\n\toff = consumer mode, on = professional mode" }, + { "aud", IDX_NOAUDIO, CMD_BOOL_INV, + "audio (common)\n\toff = audio mode, on = non-audio mode" }, + { "rat", IDX_RATE, CMD_INT, + "sample rate (common)\n\tsample rate in Hz" }, + { "emp", IDX_EMP, CMD_INT, + "emphasis (common)\n\t0 = none, 1 = 50/15us, 2 = CCITT" }, + { "loc", IDX_UNLOCK, CMD_BOOL_INV, + "lock (prof.)\n\toff = rate unlocked, on = rate locked" }, + { "sbi", IDX_SBITS, CMD_INT, + "sbits (prof.)\n\tsample bits 2 = 20bit, 4 = 24bit, 6 = undef" }, + { "wor", IDX_WORD, CMD_INT, + "wordlength (prof.)\n\t0=no, 2=22-18bit, 4=23-19bit, 5=24-20bit, 6=20-16bit" }, + { "cat", IDX_CAT, CMD_INT, + "category (consumer)\n\t0-0x7f" }, + { "cop", IDX_NOCOPY, CMD_BOOL_INV, + "copyright (consumer)\n\toff = non-copyright, on = copyright" }, + { "ori", IDX_ORIG, CMD_BOOL, + "original (consumer)\n\toff = 1st-gen, on = original" }, +}; + + +static void usage(void) +{ + int i; + + printf("Usage: iecset [options] [cmd arg...]\n"); + printf("Options:\n"); + printf(" -D device specifies the control device to use\n"); + printf(" -c card specifies the card number to use (equiv. with -Dhw:#)\n"); + printf(" -x dump the dump the AESx hex code for IEC958 PCM parameters\n"); + printf(" -i read commands from stdin\n"); + printf("Commands:\n"); + for (i = 0; i < (int)(sizeof(cmds)/sizeof(cmds[0])); i++) { + printf(" %s\n", cmds[i].desc); + } +} + + +/* + * parse iecset commands + */ +static void parse_command(int *parms, const char *c, const char *arg) +{ + int i; + + for (i = 0; i < (int)(sizeof(cmds)/sizeof(cmds[0])); i++) { + if (strncmp(c, cmds[i].name, strlen(cmds[i].name)) == 0) { + int val; + switch (cmds[i].type) { + case CMD_BOOL: + val = get_bool(arg); + break; + case CMD_BOOL_INV: + val = !get_bool(arg); + break; + case CMD_INT: + default: + val = (int)strtol(arg, NULL, 0); + break; + } + parms[cmds[i].idx] = val; + return; + } + } +} + +static char *skipspace(char *line) +{ + char *p; + for (p = line; *p && isspace(*p); p++) + ; + return p; +} + +/* + * parse iecset commands from the file + */ +static void parse_file(int *parms, FILE *fp) +{ + char line[1024], *cmd, *arg; + while (fgets(line, sizeof(line), fp) != NULL) { + cmd = skipspace(line); + if (*cmd == '#' || ! *cmd) + continue; + for (arg = cmd; *arg && !isspace(*arg); arg++) + ; + if (! *arg) + continue; + *arg++ = 0; + arg = skipspace(arg); + if (! *arg) + continue; + parse_command(parms, cmd, arg); + } +} + +/* update iec958 status values + * return non-zero if the values are modified + */ +static int update_iec958_status(snd_aes_iec958_t *iec958, int *parms) +{ + int changed = 0; + if (parms[IDX_PRO] >= 0) { + if (parms[IDX_PRO]) + iec958->status[0] |= IEC958_AES0_PROFESSIONAL; + else + iec958->status[0] &= ~IEC958_AES0_PROFESSIONAL; + changed = 1; + } + if (parms[IDX_NOAUDIO] >= 0) { + if (parms[IDX_NOAUDIO]) + iec958->status[0] |= IEC958_AES0_NONAUDIO; + else + iec958->status[0] &= ~IEC958_AES0_NONAUDIO; + changed = 1; + } + if (parms[IDX_RATE] >= 0) { + if (iec958->status[0] & IEC958_AES0_PROFESSIONAL) { + iec958->status[0] &= ~IEC958_AES0_PRO_FS; + switch (parms[IDX_RATE]) { + case 44100: + iec958->status[0] |= IEC958_AES0_PRO_FS_44100; + break; + case 48000: + iec958->status[0] |= IEC958_AES0_PRO_FS_48000; + break; + case 3200: + iec958->status[0] |= IEC958_AES0_PRO_FS_32000; + break; + } + } else { + iec958->status[3] &= ~IEC958_AES3_CON_FS; + switch (parms[IDX_RATE]) { + case 44100: + iec958->status[3] |= IEC958_AES3_CON_FS_44100; + break; + case 48000: + iec958->status[3] |= IEC958_AES3_CON_FS_48000; + break; + case 3200: + iec958->status[3] |= IEC958_AES3_CON_FS_32000; + break; + } + } + changed = 1; + } + if (parms[IDX_NOCOPY] >= 0) { + if (! (iec958->status[0] & IEC958_AES0_PROFESSIONAL)) { + if (parms[IDX_NOCOPY]) + iec958->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT; + else + iec958->status[0] &= ~IEC958_AES0_CON_NOT_COPYRIGHT; + } + changed = 1; + } + if (parms[IDX_ORIG] >= 0) { + if (! (iec958->status[0] & IEC958_AES0_PROFESSIONAL)) { + if (parms[IDX_ORIG]) + iec958->status[1] |= IEC958_AES1_CON_ORIGINAL; + else + iec958->status[1] &= ~IEC958_AES1_CON_ORIGINAL; + } + changed = 1; + } + if (parms[IDX_EMP] >= 0) { + if (iec958->status[0] & IEC958_AES0_PROFESSIONAL) { + iec958->status[0] &= ~IEC958_AES0_PRO_EMPHASIS; + switch (parms[IDX_EMP]) { + case 0: + iec958->status[0] |= IEC958_AES0_PRO_EMPHASIS_NONE; + break; + case 1: + iec958->status[0] |= IEC958_AES0_PRO_EMPHASIS_5015; + break; + case 2: + iec958->status[0] |= IEC958_AES0_PRO_EMPHASIS_CCITT; + break; + } + } else { + if (parms[IDX_EMP]) + iec958->status[0] |= IEC958_AES0_CON_EMPHASIS_5015; + else + iec958->status[0] &= ~IEC958_AES0_CON_EMPHASIS_5015; + } + changed = 1; + } + if (parms[IDX_UNLOCK] >= 0) { + if (iec958->status[0] & IEC958_AES0_PROFESSIONAL) { + if (parms[IDX_UNLOCK]) + iec958->status[0] |= IEC958_AES0_PRO_FREQ_UNLOCKED; + else + iec958->status[0] &= ~IEC958_AES0_PRO_FREQ_UNLOCKED; + } + changed = 1; + } + if (parms[IDX_SBITS] >= 0) { + if (iec958->status[0] & IEC958_AES0_PROFESSIONAL) { + iec958->status[2] &= ~IEC958_AES2_PRO_SBITS; + iec958->status[2] |= parms[IDX_SBITS] & 7; + } + changed = 1; + } + if (parms[IDX_WORD] >= 0) { + if (iec958->status[0] & IEC958_AES0_PROFESSIONAL) { + iec958->status[2] &= ~IEC958_AES2_PRO_WORDLEN; + iec958->status[2] |= (parms[IDX_WORD] & 7) << 3; + } + changed = 1; + } + if (parms[IDX_CAT] >= 0) { + if (! (iec958->status[0] & IEC958_AES0_PROFESSIONAL)) { + iec958->status[1] &= ~IEC958_AES1_CON_CATEGORY; + iec958->status[1] |= parms[IDX_CAT] & 0x7f; + } + changed = 1; + } + + return changed; +} + + +int main(int argc, char **argv) +{ + const char *dev = "default"; + const char *spdif_str = "IEC958 Playback Default"; + snd_ctl_t *ctl; + snd_ctl_elem_value_t *cval; + snd_aes_iec958_t iec958; + int from_stdin = 0; + int dumphex = 0; + int i, c; + char tmpname[32]; + int parms[IDX_LAST]; + + for (i = 0; i < IDX_LAST; i++) + parms[i] = -1; /* not set */ + + while ((c = getopt(argc, argv, "D:c:xhi")) != -1) { + switch (c) { + case 'D': + dev = optarg; + break; + case 'c': + i = atoi(optarg); + if (i < 0 || i >= 7) { + fprintf(stderr, "invalid card index %d\n", i); + return 1; + } + sprintf(tmpname, "hw:%d", i); + dev = tmpname; + break; + case 'x': + dumphex = 1; + break; + case 'i': + from_stdin = 1; + break; + default: + usage(); + return 1; + } + } + + if (snd_ctl_open(&ctl, dev, 0) < 0) { + perror("snd_ctl_open"); + return 1; + } + + snd_ctl_elem_value_alloca(&cval); + snd_ctl_elem_value_set_interface(cval, SND_CTL_ELEM_IFACE_MIXER); + snd_ctl_elem_value_set_name(cval, spdif_str); + if (snd_ctl_elem_read(ctl, cval) < 0) { + snd_ctl_elem_value_set_interface(cval, SND_CTL_ELEM_IFACE_PCM); + if (snd_ctl_elem_read(ctl, cval) < 0) { + perror("snd_ctl_elem_read"); + return 1; + } + } + + snd_ctl_elem_value_get_iec958(cval, &iec958); + + /* parse from stdin */ + if (from_stdin) + parse_file(parms, stdin); + + /* parse commands */ + for (c = optind; c < argc - 1; c += 2) + parse_command(parms, argv[c], argv[c + 1]); + + if (update_iec958_status(&iec958, parms)) { + /* store the values */ + snd_ctl_elem_value_set_iec958(cval, &iec958); + if (snd_ctl_elem_write(ctl, cval) < 0) { + perror("snd_ctl_elem_write"); + return 1; + } + if (snd_ctl_elem_read(ctl, cval) < 0) { + perror("snd_ctl_elem_write"); + return 1; + } + snd_ctl_elem_value_get_iec958(cval, &iec958); + } + + if (dumphex) + printf("AES0=0x%02x,AES1=0x%02x,AES2=0x%02x,AES3=0x%02x\n", + iec958.status[0], iec958.status[1], iec958.status[2], iec958.status[3]); + else + dump_iec958(&iec958); + + snd_ctl_close(ctl); + return 0; +}