--- /dev/null
+/*
+ * Advanced Linux Sound Architecture Control Program
+ * Copyright (c) 1997 by Perex, APS, University of South Bohemia
+ *
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "alsactl.h"
+#include <getopt.h>
+#include <stdarg.h>
+
+#define HELPID_HELP 1000
+#define HELPID_FILE 1001
+#define HELPID_DEBUG 1002
+#define HELPID_VERSION 1003
+
+extern int yyparse( void );
+extern int linecount;
+extern FILE *yyin;
+extern int yydebug;
+
+int debugflag = 0;
+char cfgfile[ 512 ] = ALSACTL_FILE;
+
+void error( const char *fmt, ... )
+{
+ va_list va;
+
+ va_start( va, fmt );
+ fprintf( stderr, "alsactl: " );
+ vfprintf( stderr, fmt, va );
+ fprintf( stderr, "\n" );
+ va_end( va );
+}
+
+static void help( void )
+{
+ printf( "Usage: alsactl <options> command\n" );
+ printf( "\nAvailable options:\n" );
+ printf( " -h,--help this help\n" );
+ printf( " -f,--file # configuration file (default " ALSACTL_FILE ")\n" );
+ printf( " -d,--debug debug mode\n" );
+ printf( " -v,--version print version of this program\n" );
+ printf( "\nAvailable commands:\n" );
+ printf( " store <card #> store current driver setup for one or each soundcards\n" );
+ printf( " to configuration file\n" );
+ printf( " restore <card #> restore current driver setup for one or each soundcards\n" );
+ printf( " from configuration file\n" );
+}
+
+static int store_setup( const char *cardname )
+{
+ int err;
+
+ if ( !cardname ) {
+ unsigned int card_mask, idx;
+
+ card_mask = snd_cards_mask();
+ if ( !card_mask ) {
+ error( "No soundcards found..." );
+ return 1;
+ }
+ soundcard_setup_init();
+ for ( idx = 0; idx < 32; idx++ ) {
+ if ( card_mask & (1 << idx) ) { /* find each installed soundcards */
+ if ( (err = soundcard_setup_collect( idx )) ) {
+ soundcard_setup_done();
+ return err;
+ }
+ }
+ }
+ } else {
+ int cardno;
+
+ cardno = snd_card_name( cardname );
+ if ( cardno ) {
+ error( "Cannot find soundcard '%s'...", cardname );
+ return 1;
+ }
+ soundcard_setup_init();
+ if ( (err = soundcard_setup_load( cfgfile )) )
+ return err;
+ if ( (err = soundcard_setup_collect( cardno )) ) {
+ soundcard_setup_done();
+ return err;
+ }
+ }
+ err = soundcard_setup_write( cfgfile );
+ soundcard_setup_done();
+ return err;
+}
+
+static int restore_setup( const char *cardname )
+{
+ int err, idx, cardno = -1;
+ unsigned int card_mask;
+
+ if ( cardname ) {
+ cardno = snd_card_name( cardname );
+ if ( cardno < 0 ) {
+ error( "Cannot find soundcard '%s'...", cardname );
+ return 1;
+ }
+ }
+ card_mask = snd_cards_mask();
+ if ( !card_mask ) {
+ error( "No soundcards found..." );
+ return 1;
+ }
+ soundcard_setup_init();
+ for ( idx = 0; idx < 32; idx++ ) {
+ if ( card_mask & (1 << idx) ) { /* find each installed soundcards */
+ if ( (err = soundcard_setup_collect( idx )) ) {
+ soundcard_setup_done();
+ return err;
+ }
+ }
+ }
+ if ( (err = soundcard_setup_load( cfgfile )) )
+ return err;
+ err = soundcard_setup_process( cardno );
+ soundcard_setup_done();
+ return err;
+}
+
+int main( int argc, char *argv[] )
+{
+ int morehelp;
+ struct option long_option[] = {
+ { "help", 0, NULL, HELPID_HELP },
+ { "file", 1, NULL, HELPID_FILE },
+ { "debug", 0, NULL, HELPID_DEBUG },
+ { "version", 0, NULL, HELPID_VERSION },
+ { NULL, 0, NULL, 0 },
+ };
+
+ morehelp = 0;
+ while ( 1 ) {
+ int c;
+
+ if ( ( c = getopt_long( argc, argv, "hf:dv", long_option, NULL ) ) < 0 ) break;
+ switch ( c ) {
+ case 'h':
+ case HELPID_HELP:
+ morehelp++;
+ break;
+ case 'f':
+ case HELPID_FILE:
+ strncpy( cfgfile, optarg, sizeof( cfgfile ) - 1 );
+ cfgfile[ sizeof( cfgfile ) - 1 ] = 0;
+ break;
+ case 'd':
+ case HELPID_DEBUG:
+ debugflag = 1;
+ break;
+ case 'v':
+ case HELPID_VERSION:
+ printf( "alsactl version " VERSION "\n" );
+ return 0;
+ default:
+ fprintf( stderr, "\07Invalid switch or option needs an argument.\n" );
+ morehelp++;
+ }
+ }
+ if ( morehelp ) {
+ help();
+ return 0;
+ }
+
+ if ( argc - optind <= 0 ) {
+ fprintf( stderr, "alsactl: Specify command...\n" );
+ return 1;
+ }
+ if ( !strcmp( argv[ optind ], "store" ) ) {
+ return store_setup( argc - optind > 1 ? argv[ optind + 1 ] : NULL );
+ } else if ( !strcmp( argv[ optind ], "restore" ) ) {
+ return restore_setup( argc - optind > 1 ? argv[ optind + 1 ] : NULL );
+ }
+
+ return 0;
+}
--- /dev/null
+%{
+
+/*
+ * Advanced Linux Sound Architecture Control Program
+ * Copyright (c) 1998 by Perex, APS, University of South Bohemia
+ *
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "alsactl.h"
+#include <stdarg.h>
+
+ /* insgus_lexer.c */
+
+int yylex( void );
+
+extern char cfgfile[];
+extern int linecount;
+extern FILE *yyin;
+
+ /* local functions */
+
+static void yyerror( char *, ... );
+
+static void select_soundcard( char *name );
+static void select_mixer( char *name );
+static void select_pcm( char *name );
+static void select_rawmidi( char *name );
+
+static void select_mixer_channel( char *name );
+static void set_mixer_channel( int left, int right );
+static void set_mixer_channel_record( void );
+static void set_mixer_channel_end( void );
+
+#define SWITCH_CONTROL 0
+#define SWITCH_MIXER 1
+#define SWITCH_PCM 2
+#define SWITCH_RAWMIDI 3
+
+static void select_control_switch( char *name );
+static void select_mixer_switch( char *name );
+static void select_pcm_playback_switch( char *name );
+static void select_pcm_record_switch( char *name );
+static void select_rawmidi_output_switch( char *name );
+static void select_rawmidi_input_switch( char *name );
+
+static void set_switch_boolean( int val );
+static void set_switch_integer( int val );
+
+ /* local variables */
+
+static struct soundcard *Xsoundcard = NULL;
+static struct mixer *Xmixer = NULL;
+static struct pcm *Xpcm = NULL;
+static struct rawmidi *Xrawmidi = NULL;
+static struct mixer_channel *Xmixerchannel = NULL;
+static unsigned int Xmixerchannelflags = 0;
+static int Xswitchtype = SWITCH_CONTROL;
+static int *Xswitchchange = NULL;
+static void *Xswitch = NULL;
+
+%}
+
+%start lines
+
+%union {
+ int b_value;
+ int i_value;
+ char *s_value;
+ unsigned char *a_value;
+ };
+
+%token <b_value> L_TRUE L_FALSE
+%token <i_value> L_INTEGER
+%token <s_value> L_STRING
+%token <a_value> L_BYTEARRAY
+
+ /* types */
+%token L_INTEGER L_STRING
+ /* boolean */
+%token L_FALSE L_TRUE
+ /* misc */
+%token L_DOUBLE1
+ /* other keywords */
+%token L_SOUNDCARD L_MIXER L_CHANNEL L_STEREO L_MONO L_SWITCH L_RAWDATA
+%token L_CONTROL L_PCM L_RAWMIDI L_PLAYBACK L_RECORD L_OUTPUT L_INPUT
+
+%type <b_value> boolean
+%type <i_value> integer
+%type <s_value> string
+%type <a_value> bytearray
+
+%%
+
+lines : line
+ | lines line
+ ;
+
+line : L_SOUNDCARD '(' string { select_soundcard( $3 ); } L_DOUBLE1 soundcards { select_soundcard( NULL ); } '}'
+ | error { yyerror( "unknown keyword in top level" ); }
+ ;
+
+soundcards : soundcard
+ | soundcards soundcard
+ ;
+
+soundcard : L_CONTROL '{' controls '}'
+ | L_MIXER '(' string { select_mixer( $3 ); } L_DOUBLE1 mixers { select_mixer( NULL ); } '}'
+ | L_PCM '(' string { select_pcm( $3 ); } L_DOUBLE1 pcms { select_pcm( NULL ); } '}'
+ | L_RAWMIDI '(' string { select_rawmidi( $3 ); } L_DOUBLE1 rawmidis { select_rawmidi( NULL ); } '}'
+ | error { yyerror( "unknown keyword in soundcard{} level" ); }
+ ;
+
+controls : control
+ | controls control
+ ;
+
+control : L_SWITCH '(' string { select_control_switch( $3 ); } ',' switches ')' { select_control_switch( NULL ); }
+ | error { yyerror( "unknown keyword in control{} level" ); }
+ ;
+
+mixers : mixer
+ | mixers mixer
+ ;
+
+mixer : L_CHANNEL '(' string { select_mixer_channel( $3 ); } ',' mvalues ')' { set_mixer_channel_end(); select_mixer_channel( NULL ); }
+ | L_SWITCH '(' string { select_mixer_switch( $3 ); } ',' switches ')' { select_mixer_switch( NULL ); }
+ | error { yyerror( "unknown keyword in mixer{} level" ); }
+ ;
+
+mvalues : mvalue
+ | mvalues mvalue
+ ;
+
+mvalue : L_STEREO '(' integer ',' integer ')' { set_mixer_channel( $3, $5 ); }
+ | L_MONO '(' integer ')' { set_mixer_channel( $3, $3 ); }
+ | L_RECORD { set_mixer_channel_record(); }
+ | error { yyerror( "unknown keyword in mixer channel{} level" ); }
+ ;
+
+pcms : pcm
+ | pcms pcm
+ ;
+
+pcm : L_PLAYBACK '{' playbacks '}'
+ | L_RECORD '{' records '}'
+ | error { yyerror( "unknown keyword in pcm{} section" ); }
+ ;
+
+playbacks : playback
+ | playbacks playback
+ ;
+
+playback : L_SWITCH '(' string { select_pcm_playback_switch( $3 ); } ',' switches ')' { select_pcm_playback_switch( NULL ); }
+ | error { yyerror( "unknown keyword in playback{} section" ); }
+ ;
+
+records : record
+ | records record
+ ;
+
+record : L_SWITCH '(' string { select_pcm_record_switch( $3 ); } ',' switches ')' { select_pcm_record_switch( NULL ); }
+ | error { yyerror( "unknown keyword in record{} section" ); }
+ ;
+
+rawmidis : rawmidi
+ | rawmidis rawmidi
+ ;
+
+rawmidi : L_INPUT '{' inputs '}'
+ | L_OUTPUT '{' outputs '}'
+ ;
+
+inputs : input
+ | inputs input
+ ;
+
+input : L_SWITCH '(' string { select_rawmidi_input_switch( $3 ); } ',' switches ')' { select_rawmidi_input_switch( NULL ); }
+ | error { yyerror( "unknown keyword in input{} section" ); }
+ ;
+
+outputs : output
+ | outputs output
+ ;
+
+output : L_SWITCH '(' string { select_rawmidi_output_switch( $3 ); } ',' switches ')' { select_rawmidi_output_switch( NULL ); }
+ | error { yyerror( "unknown keyword in output{} section" ); }
+ ;
+
+switches : switch
+ | switches switch
+ ;
+
+switch : L_TRUE { set_switch_boolean( 1 ); }
+ | L_FALSE { set_switch_boolean( 0 ); }
+ | L_INTEGER { set_switch_integer( $1 ); }
+ | error { yyerror( "unknown keyword in switch() data parameter" ); }
+ ;
+
+boolean : L_TRUE { $$ = 1; }
+ | L_FALSE { $$ = 0; }
+ | error { yyerror( "unknown boolean value" ); }
+ ;
+
+integer : L_INTEGER { $$ = $1; }
+ | error { yyerror( "unknown integer value" ); }
+ ;
+
+string : L_STRING { $$ = $1; }
+ | error { yyerror( "unknown string value" ); }
+ ;
+
+bytearray : L_BYTEARRAY { $$ = $1; }
+ | error { yyerror( "unknown byte array value" ); }
+ ;
+
+%%
+
+static void yyerror( char *string, ... )
+{
+ char errstr[ 1024 ];
+
+ va_list vars;
+ va_start( vars, string );
+ vsprintf( errstr, string, vars );
+ va_end( vars );
+ error( "Error in configuration file '%s' (line %i): %s", cfgfile, linecount + 1, errstr );
+
+ exit( 1 );
+}
+
+static void select_soundcard( char *name )
+{
+ struct soundcard *soundcard;
+
+ if ( !name ) { Xsoundcard = NULL; return; }
+ for ( soundcard = soundcards; soundcard; soundcard = soundcard -> next )
+ if ( !strcmp( soundcard -> control.hwinfo.id, name ) ) {
+ Xsoundcard = soundcard;
+ free( name );
+ return;
+ }
+ yyerror( "Cannot find soundcard '%s'...", name );
+ free( name );
+}
+
+static void select_mixer( char *name )
+{
+ struct mixer *mixer;
+
+ if ( !name ) { Xmixer = NULL; return; }
+ for ( mixer = Xsoundcard -> mixers; mixer; mixer = mixer -> next )
+ if ( !strcmp( mixer -> info.name, name ) ) {
+ Xmixer = mixer;
+ free( name );
+ return;
+ }
+ yyerror( "Cannot find mixer '%s' for soundcard '%s'...", name, Xsoundcard -> control.hwinfo.id );
+ free( name );
+}
+
+static void select_pcm( char *name )
+{
+ struct pcm *pcm;
+
+ if ( !name ) { Xpcm = NULL; return; }
+ for ( pcm = Xsoundcard -> pcms; pcm; pcm = pcm -> next )
+ if ( !strcmp( pcm -> info.name, name ) ) {
+ Xpcm = pcm;
+ free( name );
+ return;
+ }
+ yyerror( "Cannot find pcm device '%s' for soundcard '%s'...", name, Xsoundcard -> control.hwinfo.id );
+ free( name );
+}
+
+static void select_rawmidi( char *name )
+{
+ struct rawmidi *rawmidi;
+
+ if ( !name ) { Xrawmidi = NULL; return; }
+ for ( rawmidi = Xsoundcard -> rawmidis; rawmidi; rawmidi = rawmidi -> next )
+ if ( !strcmp( rawmidi -> info.name, name ) ) {
+ Xrawmidi = rawmidi;
+ free( name );
+ return;
+ }
+ yyerror( "Cannot find rawmidi device '%s' for soundcard '%s'...", name, Xsoundcard -> control.hwinfo.id );
+ free( name );
+}
+
+static void select_mixer_channel( char *name )
+{
+ struct mixer_channel *channel;
+
+ if ( !name ) { Xmixerchannel = NULL; return; }
+ for ( channel = Xmixer -> channels; channel; channel = channel -> next )
+ if ( !strcmp( channel -> i.name, name ) ) {
+ Xmixerchannel = channel;
+ free( name );
+ return;
+ }
+ yyerror( "Cannot find mixer channel '%s'...", name );
+ free( name );
+}
+
+static void set_mixer_channel( int left, int right )
+{
+ Xmixerchannelflags = Xmixerchannel -> c.flags &
+ ~(SND_MIXER_FLG_RECORD |
+ SND_MIXER_FLG_MUTE |
+ SND_MIXER_FLG_DECIBEL |
+ SND_MIXER_FLG_FORCE);
+ if ( left & 0x80000000 ) {
+ Xmixerchannelflags |= SND_MIXER_FLG_MUTE_LEFT;
+ left &= 0x7fffffff;
+ }
+ if ( right & 0x80000000 ) {
+ Xmixerchannelflags |= SND_MIXER_FLG_MUTE_RIGHT;
+ right &= 0x7fffffff;
+ }
+ if ( Xmixerchannel -> i.min > left || Xmixerchannel -> i.max < left )
+ yyerror( "Value out of range (%i-%i)...", Xmixerchannel -> i.min, Xmixerchannel -> i.max );
+ if ( Xmixerchannel -> i.min > right || Xmixerchannel -> i.max < right )
+ yyerror( "Value out of range (%i-%i)...", Xmixerchannel -> i.min, Xmixerchannel -> i.max );
+ if ( Xmixerchannel -> c.left != left || Xmixerchannel -> c.right != right )
+ Xmixerchannel -> change = 1;
+ Xmixerchannel -> c.left = left;
+ Xmixerchannel -> c.right = right;
+}
+
+static void set_mixer_channel_record( void )
+{
+ Xmixerchannelflags |= SND_MIXER_FLG_RECORD;
+}
+
+static void set_mixer_channel_end( void )
+{
+ if ( Xmixerchannel -> c.flags != Xmixerchannelflags )
+ Xmixerchannel -> change = 1;
+ Xmixerchannel -> c.flags = Xmixerchannelflags;
+}
+
+#define FIND_SWITCH( xtype, first, name, err ) \
+ if ( !name ) { Xswitch = Xswitchchange = NULL; return; } \
+ for ( sw = first; sw; sw = sw -> next ) { \
+ if ( !strcmp( sw -> s.name, name ) ) { \
+ Xswitchtype = xtype; \
+ Xswitchchange = &sw -> change; \
+ Xswitch = (void *)&sw -> s; \
+ free( name ); \
+ return; \
+ } \
+ } \
+ yyerror( "Cannot find " err " switch '%s'...", name ); \
+ free( name );
+
+static void select_control_switch( char *name )
+{
+ struct ctl_switch *sw;
+ FIND_SWITCH( SWITCH_CONTROL, Xsoundcard -> control.switches, name, "control" );
+}
+
+static void select_mixer_switch( char *name )
+{
+ struct mixer_switch *sw;
+ FIND_SWITCH( SWITCH_MIXER, Xmixer -> switches, name, "mixer" );
+}
+
+static void select_pcm_playback_switch( char *name )
+{
+ struct pcm_switch *sw;
+ FIND_SWITCH( SWITCH_PCM, Xpcm -> pswitches, name, "pcm playback" );
+}
+
+static void select_pcm_record_switch( char *name )
+{
+ struct pcm_switch *sw;
+ FIND_SWITCH( SWITCH_PCM, Xpcm -> rswitches, name, "pcm record" );
+}
+
+static void select_rawmidi_output_switch( char *name )
+{
+ struct rawmidi_switch *sw;
+ FIND_SWITCH( SWITCH_RAWMIDI, Xrawmidi -> oswitches, name, "rawmidi output" );
+}
+
+static void select_rawmidi_input_switch( char *name )
+{
+ struct rawmidi_switch *sw;
+ FIND_SWITCH( SWITCH_RAWMIDI, Xrawmidi -> iswitches, name, "rawmidi input" );
+}
+
+static void set_switch_boolean( int val )
+{
+ /* ok.. this is a little bit wrong, but at these times are all switches same */
+ snd_ctl_switch_t *sw = (snd_ctl_switch_t *)Xswitch;
+ unsigned int xx;
+
+ if ( sw -> type != SND_CTL_SW_TYPE_BOOLEAN )
+ yyerror( "Switch '%s' isn't boolean type...", sw -> name );
+ xx = val & 1;
+ if ( memcmp( &sw -> value, &xx, sizeof(xx) ) ) *Xswitchchange = 1;
+ memcpy( &sw -> value, &xx, sizeof(xx) );
+}
+
+static void set_switch_integer( int val )
+{
+ /* ok.. this is a little bit wrong, but at these times are all switches same */
+ snd_ctl_switch_t *sw = (snd_ctl_switch_t *)Xswitch;
+ unsigned int xx;
+
+ if ( sw -> type != SND_CTL_SW_TYPE_BYTE ||
+ sw -> type != SND_CTL_SW_TYPE_WORD ||
+ sw -> type != SND_CTL_SW_TYPE_DWORD )
+ yyerror( "Switch '%s' isn't integer type...", sw -> name );
+ if ( val < sw -> low || val > sw -> high )
+ yyerror( "Value for switch '%s' out of range (%i-%i)...\n", sw -> name, sw -> low, sw -> high );
+ xx = val;
+ if ( memcmp( &sw -> value, &xx, sizeof(xx) ) ) *Xswitchchange = 1;
+ memcpy( &sw -> value, &xx, sizeof(xx) );
+}
--- /dev/null
+/*
+ * Advanced Linux Sound Architecture Control Program
+ * Copyright (c) 1997 by Perex, APS, University of South Bohemia
+ *
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "alsactl.h"
+
+#define SND_INTERFACE_CONTROL 0
+#define SND_INTERFACE_MIXER 1
+#define SND_INTERFACE_PCM 2
+#define SND_INTERFACE_RAWMIDI 3
+
+extern int yyparse( void );
+extern int linecount;
+extern FILE *yyin;
+extern int yydebug;
+struct soundcard *soundcards = NULL;
+
+/*
+ * free functions
+ */
+
+static void soundcard_ctl_switch_free( struct ctl_switch *first )
+{
+ struct ctl_switch *next;
+
+ while ( first ) {
+ next = first -> next;
+ free( first );
+ first = next;
+ }
+}
+
+static void soundcard_mixer_channel_free( struct mixer_channel *first )
+{
+ struct mixer_channel *next;
+
+ while ( first ) {
+ next = first -> next;
+ free( first );
+ first = next;
+ }
+}
+
+static void soundcard_mixer_switch_free( struct mixer_switch *first )
+{
+ struct mixer_switch *next;
+
+ while ( first ) {
+ next = first -> next;
+ free( first );
+ first = next;
+ }
+}
+
+static void soundcard_mixer_free1( struct mixer *mixer )
+{
+ if ( !mixer ) return;
+ soundcard_mixer_channel_free( mixer -> channels );
+ soundcard_mixer_switch_free( mixer -> switches );
+ free( mixer );
+}
+
+static void soundcard_mixer_free( struct mixer *first )
+{
+ struct mixer *next;
+
+ while ( first ) {
+ next = first -> next;
+ soundcard_mixer_free1( first );
+ first = next;
+ }
+}
+
+static void soundcard_pcm_switch_free( struct pcm_switch *first )
+{
+ struct pcm_switch *next;
+
+ while ( first ) {
+ next = first -> next;
+ free( first );
+ first = next;
+ }
+}
+
+static void soundcard_pcm_free1( struct pcm *pcm )
+{
+ if ( !pcm ) return;
+ soundcard_pcm_switch_free( pcm -> pswitches );
+ soundcard_pcm_switch_free( pcm -> rswitches );
+ free( pcm );
+}
+
+static void soundcard_pcm_free( struct pcm *first )
+{
+ struct pcm *next;
+
+ while ( first ) {
+ next = first -> next;
+ soundcard_pcm_free1( first );
+ first = next;
+ }
+}
+
+static void soundcard_rawmidi_switch_free( struct rawmidi_switch *first )
+{
+ struct rawmidi_switch *next;
+
+ while ( first ) {
+ next = first -> next;
+ free( first );
+ first = next;
+ }
+}
+
+static void soundcard_rawmidi_free1( struct rawmidi *rawmidi )
+{
+ if ( !rawmidi ) return;
+ soundcard_rawmidi_switch_free( rawmidi -> iswitches );
+ soundcard_rawmidi_switch_free( rawmidi -> oswitches );
+ free( rawmidi );
+}
+
+static void soundcard_rawmidi_free( struct rawmidi *first )
+{
+ struct rawmidi *next;
+
+ while ( first ) {
+ next = first -> next;
+ soundcard_rawmidi_free1( first );
+ first = next;
+ }
+}
+
+static void soundcard_free1( struct soundcard *soundcard )
+{
+ if ( !soundcard ) return;
+ soundcard_ctl_switch_free( soundcard -> control.switches );
+ soundcard_mixer_free( soundcard -> mixers );
+ soundcard_pcm_free( soundcard -> pcms );
+ soundcard_rawmidi_free( soundcard -> rawmidis );
+ free( soundcard );
+}
+
+static void soundcard_free( struct soundcard *first )
+{
+ struct soundcard *next;
+
+ while ( first ) {
+ next = first -> next;
+ soundcard_free1( first );
+ first = next;
+ }
+}
+
+static int soundcard_remove( int cardno )
+{
+ struct soundcard *first, *prev = NULL, *next;
+
+ first = soundcards;
+ while ( first ) {
+ next = first -> next;
+ if ( first -> no == cardno ) {
+ soundcard_free1( first );
+ if ( !prev ) soundcards = next; else prev -> next = next;
+ return 0;
+ }
+ prev = first;
+ first = first -> next;
+ }
+ return -1;
+}
+
+/*
+ * exported functions
+ */
+
+void soundcard_setup_init( void )
+{
+ soundcards = NULL;
+}
+
+void soundcard_setup_done( void )
+{
+ soundcard_free( soundcards ); soundcards = NULL;
+}
+
+int soundcard_setup_collect( int cardno )
+{
+ void *handle, *mhandle;
+ struct soundcard *card, *first, *prev;
+ int err, idx, count, device;
+ struct ctl_switch *ctl, *ctlprev;
+ struct mixer *mixer, *mixerprev;
+ struct mixer_switch *mixsw, *mixswprev;
+ struct mixer_channel *mixerchannel, *mixerchannelprev;
+ struct pcm *pcm, *pcmprev;
+ struct pcm_switch *pcmsw, *pcmswprev;
+ struct rawmidi *rawmidi, *rawmidiprev;
+ struct rawmidi_switch *rawmidisw, *rawmidiswprev;
+
+ soundcard_remove( cardno );
+ if ( (err = snd_ctl_open( &handle, cardno )) < 0 ) {
+ error( "SND CTL open error: %s", snd_strerror( err ) );
+ return 1;
+ }
+ /* --- */
+ card = (struct soundcard *)malloc( sizeof( struct soundcard ) );
+ if ( !card ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( card, sizeof( struct soundcard ) );
+ card -> no = cardno;
+ for ( first = soundcards, prev = NULL; first; prev = first, first = first -> next )
+ if ( first -> no > cardno ) {
+ if ( !prev ) {
+ soundcards = card;
+ } else {
+ prev -> next = card;
+ }
+ card -> next = first;
+ break;
+ }
+ if ( !soundcards ) soundcards = card;
+ if ( (err = snd_ctl_hw_info( handle, &card -> control.hwinfo )) < 0 ) {
+ snd_ctl_close( handle );
+ error( "SND CTL HW INFO error: %s", snd_strerror( err ) );
+ return 1;
+ }
+ /* --- */
+ count = snd_ctl_switches( handle );
+ for ( idx = 0, ctlprev = NULL; idx < count; idx++ ) {
+ ctl = (struct ctl_switch *)malloc( sizeof( struct ctl_switch ) );
+ if ( !ctl ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( ctl, sizeof( struct ctl_switch ) );
+ ctl -> no = idx;
+ if ( (err = snd_ctl_switch_read( handle, idx, &ctl -> s )) < 0 ) {
+ free( ctl );
+ snd_ctl_close( handle );
+ error( "CTL switch read error (%s) - skipping" );
+ break;
+ }
+ if ( !ctlprev ) {
+ card -> control.switches = ctl;
+ } else {
+ ctlprev -> next = ctl;
+ }
+ ctlprev = ctl;
+ }
+ /* --- */
+ for ( device = 0, mixerprev = NULL; device < card -> control.hwinfo.mixerdevs; device++ ) {
+ mixer = (struct mixer *)malloc( sizeof( struct mixer ) );
+ if ( !mixer ) {
+ snd_ctl_close( handle );
+ error( "malloc problem" );
+ return 1;
+ }
+ bzero( mixer, sizeof( struct mixer ) );
+ mixer -> no = device;
+ count = snd_ctl_mixer_switches( handle, device );
+ for ( idx = 0, mixswprev = NULL; idx < count; idx++ ) {
+ mixsw = (struct mixer_switch *)malloc( sizeof( struct mixer_switch ) );
+ if ( !mixsw ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( mixsw, sizeof( struct mixer_switch ) );
+ mixsw -> no = idx;
+ if ( (err = snd_ctl_mixer_switch_read( handle, device, idx, &mixsw -> s )) < 0 ) {
+ free( mixsw );
+ error( "MIXER switch read error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( !mixswprev ) {
+ mixer -> switches = mixsw;
+ } else {
+ mixswprev -> next = mixsw;
+ }
+ mixswprev = mixsw;
+ }
+ if ( !mixerprev ) {
+ card -> mixers = mixer;
+ } else {
+ mixerprev -> next = mixer;
+ }
+ mixerprev = mixer;
+ if ( (err = snd_mixer_open( &mhandle, cardno, device )) < 0 ) {
+ snd_ctl_close( handle );
+ error( "MIXER open error: %s\n", snd_strerror( err ) );
+ return 1;
+ }
+ if ( (err = snd_mixer_exact_mode( mhandle, 1 )) < 0 ) {
+ snd_mixer_close( mhandle );
+ snd_ctl_close( handle );
+ error( "MIXER exact mode error: %s\n", snd_strerror( err ) );
+ return 1;
+ }
+ if ( (err = snd_mixer_info( mhandle, &mixer -> info )) < 0 ) {
+ snd_mixer_close( mhandle );
+ snd_ctl_close( handle );
+ error( "MIXER info error: %s\n", snd_strerror( err ) );
+ return 1;
+ }
+ count = snd_mixer_channels( mhandle );
+ for ( idx = 0, mixerchannelprev = NULL; idx < count; idx++ ) {
+ mixerchannel = (struct mixer_channel *)malloc( sizeof( struct mixer_channel ) );
+ if ( !mixerchannel ) {
+ snd_mixer_close( mhandle );
+ snd_ctl_close( handle );
+ error( "malloc problem" );
+ return 1;
+ }
+ bzero( mixerchannel, sizeof( struct mixer_channel ) );
+ mixerchannel -> no = idx;
+ if ( (err = snd_mixer_channel_info( mhandle, idx, &mixerchannel -> i )) < 0 ) {
+ free( mixerchannel );
+ error( "MIXER channel info error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( (err = snd_mixer_channel_read( mhandle, idx, &mixerchannel -> c )) < 0 ) {
+ free( mixerchannel );
+ error( "MIXER channel read error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( !mixerchannelprev ) {
+ mixer -> channels = mixerchannel;
+ } else {
+ mixerchannelprev -> next = mixerchannel;
+ }
+ mixerchannelprev = mixerchannel;
+ }
+ snd_mixer_close( mhandle );
+ }
+ /* --- */
+ for ( device = 0, pcmprev = NULL; device < card -> control.hwinfo.pcmdevs; device++ ) {
+ pcm = (struct pcm *)malloc( sizeof( struct pcm ) );
+ if ( !pcm ) {
+ snd_ctl_close( handle );
+ error( "malloc problem" );
+ return 1;
+ }
+ bzero( pcm, sizeof( struct pcm ) );
+ pcm -> no = device;
+ if ( (err = snd_ctl_pcm_info( handle, device, &pcm -> info )) < 0 ) {
+ snd_ctl_close( handle );
+ error( "PCM info error: %s\n", snd_strerror( err ) );
+ return 1;
+ }
+ count = snd_ctl_pcm_playback_switches( handle, device );
+ for ( idx = 0, pcmswprev = NULL; idx < count; idx++ ) {
+ pcmsw = (struct pcm_switch *)malloc( sizeof( struct pcm_switch ) );
+ if ( !pcmsw ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( pcmsw, sizeof( struct mixer_switch ) );
+ pcmsw -> no = idx;
+ if ( (err = snd_ctl_pcm_playback_switch_read( handle, device, idx, &pcmsw -> s )) < 0 ) {
+ free( pcmsw );
+ error( "PCM playback switch read error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( !pcmswprev ) {
+ pcm -> pswitches = pcmsw;
+ } else {
+ pcmswprev -> next = pcmsw;
+ }
+ pcmswprev = pcmsw;
+ }
+ count = snd_ctl_pcm_record_switches( handle, device );
+ for ( idx = 0, pcmswprev = NULL; idx < count; idx++ ) {
+ pcmsw = (struct pcm_switch *)malloc( sizeof( struct pcm_switch ) );
+ if ( !pcmsw ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( pcmsw, sizeof( struct mixer_switch ) );
+ pcmsw -> no = idx;
+ if ( (err = snd_ctl_pcm_record_switch_read( handle, device, idx, &pcmsw -> s )) < 0 ) {
+ free( pcmsw );
+ error( "PCM record switch read error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( !pcmswprev ) {
+ pcm -> rswitches = pcmsw;
+ } else {
+ pcmswprev -> next = pcmsw;
+ }
+ pcmswprev = pcmsw;
+ }
+ if ( !pcmprev ) {
+ card -> pcms = pcm;
+ } else {
+ pcmprev -> next = pcm;
+ }
+ pcmprev = pcm;
+ }
+ /* --- */
+ for ( device = 0, rawmidiprev = NULL; device < card -> control.hwinfo.mididevs; device++ ) {
+ rawmidi = (struct rawmidi *)malloc( sizeof( struct rawmidi ) );
+ if ( !rawmidi ) {
+ snd_ctl_close( handle );
+ error( "malloc problem" );
+ return 1;
+ }
+ bzero( rawmidi, sizeof( struct rawmidi ) );
+ rawmidi -> no = device;
+ if ( (err = snd_ctl_rawmidi_info( handle, device, &rawmidi -> info )) < 0 ) {
+ snd_ctl_close( handle );
+ error( "RAWMIDI info error: %s\n", snd_strerror( err ) );
+ return 1;
+ }
+ count = snd_ctl_rawmidi_input_switches( handle, device );
+ for ( idx = 0, rawmidiswprev = NULL; idx < count; idx++ ) {
+ rawmidisw = (struct rawmidi_switch *)malloc( sizeof( struct rawmidi_switch ) );
+ if ( !rawmidisw ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( rawmidisw, sizeof( struct rawmidi_switch ) );
+ rawmidisw -> no = idx;
+ if ( (err = snd_ctl_rawmidi_input_switch_read( handle, device, idx, &rawmidisw -> s )) < 0 ) {
+ free( rawmidisw );
+ error( "RAWMIDI input switch read error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( !rawmidiswprev ) {
+ rawmidi -> iswitches = rawmidisw;
+ } else {
+ rawmidiswprev -> next = rawmidisw;
+ }
+ rawmidiswprev = rawmidisw;
+ }
+ count = snd_ctl_rawmidi_output_switches( handle, device );
+ for ( idx = 0, rawmidiswprev = NULL; idx < count; idx++ ) {
+ rawmidisw = (struct rawmidi_switch *)malloc( sizeof( struct rawmidi_switch ) );
+ if ( !rawmidisw ) {
+ snd_ctl_close( handle );
+ error( "malloc error" );
+ return 1;
+ }
+ bzero( rawmidisw, sizeof( struct rawmidi_switch ) );
+ rawmidisw -> no = idx;
+ if ( (err = snd_ctl_rawmidi_output_switch_read( handle, device, idx, &rawmidisw -> s )) < 0 ) {
+ free( rawmidisw );
+ error( "RAWMIDI output switch read error (%s) - skipping", snd_strerror( err ) );
+ break;
+ }
+ if ( !rawmidiswprev ) {
+ rawmidi -> oswitches = rawmidisw;
+ } else {
+ rawmidiswprev -> next = rawmidisw;
+ }
+ rawmidiswprev = rawmidisw;
+ }
+ if ( !rawmidiprev ) {
+ card -> rawmidis = rawmidi;
+ } else {
+ rawmidiprev -> next = rawmidi;
+ }
+ rawmidiprev = rawmidi;
+ }
+ /* --- */
+ snd_ctl_close( handle );
+ return 0;
+}
+
+int soundcard_setup_load( const char *cfgfile )
+{
+ extern int yyparse( void );
+ extern int linecount;
+ extern FILE *yyin;
+ extern int yydebug;
+ int xtry;
+
+#ifdef YYDEBUG
+ yydebug = 1;
+#endif
+ if ( debugflag )
+ printf( "cfgfile = '%s'\n", cfgfile );
+ if ( ( yyin = fopen( cfgfile, "r" ) ) == NULL ) {
+ error( "Cannot open configuration file '%s'...", cfgfile );
+ return 1;
+ }
+ linecount = 0;
+ xtry = yyparse();
+ fclose( yyin );
+ if ( debugflag )
+ printf( "Config ok..\n" );
+ if ( xtry )
+ error( "Ignored error in configuration file '%s'...", cfgfile );
+ return 0;
+}
+
+static void soundcard_setup_write_switch( FILE *out, int interface, const unsigned char *name, unsigned int type, unsigned int low, unsigned int high, void *data )
+{
+ struct data {
+ unsigned int enable;
+ unsigned char data8[32];
+ unsigned short data16[16];
+ unsigned int data32[8];
+ };
+ char *s, v[16];
+ struct data *pdata = (struct data *)data;
+ int idx;
+
+ v[0] = '\0';
+ switch ( type ) {
+ case SND_CTL_SW_TYPE_BOOLEAN: s = "bool"; strcpy( v, pdata -> enable ? "true" : "false" ); break;
+ case SND_CTL_SW_TYPE_BYTE: s = "byte"; sprintf( v, "%ui", (unsigned int)pdata -> data8[0] ); break;
+ case SND_CTL_SW_TYPE_WORD: s = "word"; sprintf( v, "%ui", (unsigned int)pdata -> data16[0] ); break;
+ case SND_CTL_SW_TYPE_DWORD: s = "dword"; sprintf( v, "%ui", pdata -> data32[0] ); break;
+ case SND_CTL_SW_TYPE_USER: s = "user"; break;
+ default:
+ s = "unknown";
+ }
+ fprintf( out, " ; Type is '%s'.\n", s );
+ if ( low != 0 || high != 0 )
+ fprintf( out, " ; Accepted switch range is from %ui to %ui.\n", low, high );
+ fprintf( out, " switch( \"%s\", %s", name, v );
+ if ( type < 0 || type > SND_CTL_SW_TYPE_DWORD ) {
+ /* TODO: some well known types should be verbose */
+ fprintf( out, " rawdata( " );
+ for ( idx = 0; idx < 31; idx++ ) {
+ fprintf( out, "@%02x:", pdata -> data8[idx] );
+ }
+ fprintf( out, "%02x@ )\n", pdata -> data8[31] );
+ }
+ fprintf( out, " )\n" );
+}
+
+
+static void soundcard_setup_write_mixer_channel( FILE *out, snd_mixer_channel_info_t *info, snd_mixer_channel_t *channel )
+{
+ fprintf( out, " ; Capabilities:%s%s%s%s%s%s.\n",
+ info -> caps & SND_MIXER_CINFO_CAP_RECORD ? " record" : "",
+ info -> caps & SND_MIXER_CINFO_CAP_STEREO ? " stereo" : "",
+ info -> caps & SND_MIXER_CINFO_CAP_HWMUTE ? " hardware-mute" : "",
+ info -> caps & SND_MIXER_CINFO_CAP_MONOMUTE ? " mono-mute" : "",
+ info -> caps & SND_MIXER_CINFO_CAP_DIGITAL ? " digital" : "",
+ info -> caps & SND_MIXER_CINFO_CAP_INPUT ? " external-input" : "" );
+ fprintf( out, " ; Accepted channel range is from %i to %i.\n", info -> min, info -> max );
+ fprintf( out, " channel( \"%s\", ", info -> name );
+ if ( info -> caps & SND_MIXER_CINFO_CAP_STEREO ) {
+ fprintf( out, "stereo( %s%i, %s%i )", channel -> flags & SND_MIXER_FLG_MUTE_LEFT ? "!" : "", channel -> left, channel -> flags & SND_MIXER_FLG_MUTE_RIGHT ? "!" : "", channel -> right );
+ } else {
+ fprintf( out, "mono( %s%i )", channel -> flags & SND_MIXER_FLG_MUTE ? "!" : "", channel -> left );
+ }
+ if ( channel -> flags & SND_MIXER_FLG_RECORD )
+ fprintf( out, " record" );
+ fprintf( out, " )\n" );
+}
+
+int soundcard_setup_write( const char *cfgfile )
+{
+ FILE *out;
+ struct soundcard *first;
+ struct ctl_switch *ctlsw;
+ struct mixer *mixer;
+ struct mixer_switch *mixersw;
+ struct mixer_channel *mixerchannel;
+ struct pcm *pcm;
+ struct pcm_switch *pcmsw;
+ struct rawmidi *rawmidi;
+ struct rawmidi_switch *rawmidisw;
+
+ if ( (out = fopen( cfgfile, "w+" )) == NULL ) {
+ error( "Cannot open file '%s' for writing...\n", cfgfile );
+ return 1;
+ }
+ fprintf( out, "# ALSA driver configuration\n" );
+ fprintf( out, "# Generated by alsactl\n" );
+ fprintf( out, "\n" );
+ for ( first = soundcards; first; first = first -> next ) {
+ fprintf( out, "soundcard( \"%s\" ) {\n", first -> control.hwinfo.id );
+ if ( first -> control.switches ) {
+ fprintf( out, " control {\n" );
+ for ( ctlsw = first -> control.switches; ctlsw; ctlsw = ctlsw -> next )
+ soundcard_setup_write_switch( out, SND_INTERFACE_CONTROL, ctlsw -> s.name, ctlsw -> s.type, ctlsw -> s.low, ctlsw -> s.high, (void *)&ctlsw -> s.value );
+ fprintf( out, " }\n" );
+ }
+ for ( mixer = first -> mixers; mixer; mixer = mixer -> next ) {
+ fprintf( out, " mixer( \"%s\" ) {\n", mixer -> info.name );
+ for ( mixerchannel = mixer -> channels; mixerchannel; mixerchannel = mixerchannel -> next )
+ soundcard_setup_write_mixer_channel( out, &mixerchannel -> i, &mixerchannel -> c );
+ for ( mixersw = mixer -> switches; mixersw; mixersw = mixersw -> next )
+ soundcard_setup_write_switch( out, SND_INTERFACE_MIXER, mixersw -> s.name, mixersw -> s.type, mixersw -> s.low, mixersw -> s.high, (void *)&mixersw -> s.value );
+ fprintf( out, " }\n" );
+ }
+ for ( pcm = first -> pcms; pcm; pcm = pcm -> next ) {
+ if ( !pcm -> pswitches && !pcm -> rswitches ) continue;
+ fprintf( out, " pcm( \"%s\" ) {\n", pcm -> info.name );
+ if ( pcm -> pswitches ) {
+ fprintf( out, " playback {" );
+ for ( pcmsw = pcm -> pswitches; pcmsw; pcmsw = pcmsw -> next )
+ soundcard_setup_write_switch( out, SND_INTERFACE_PCM, pcmsw -> s.name, pcmsw -> s.type, pcmsw -> s.low, pcmsw -> s.high, (void *)&pcmsw -> s.value );
+ fprintf( out, " }\n" );
+ }
+ if ( pcm -> rswitches ) {
+ fprintf( out, " record {" );
+ for ( pcmsw = pcm -> pswitches; pcmsw; pcmsw = pcmsw -> next )
+ soundcard_setup_write_switch( out, SND_INTERFACE_PCM, pcmsw -> s.name, pcmsw -> s.type, pcmsw -> s.low, pcmsw -> s.high, (void *)&pcmsw -> s.value );
+ fprintf( out, " }\n" );
+ }
+ fprintf( out, " }\n" );
+ }
+ for ( rawmidi = first -> rawmidis; rawmidi; rawmidi = rawmidi -> next ) {
+ if ( !rawmidi -> oswitches && !rawmidi -> iswitches ) continue;
+ fprintf( out, " rawmidi( \"%s\" ) {\n", rawmidi -> info.name );
+ if ( rawmidi -> oswitches ) {
+ fprintf( out, " output {" );
+ for ( rawmidisw = rawmidi -> oswitches; rawmidisw; rawmidisw = rawmidisw -> next )
+ soundcard_setup_write_switch( out, SND_INTERFACE_RAWMIDI, rawmidisw -> s.name, rawmidisw -> s.type, rawmidisw -> s.low, rawmidisw -> s.high, (void *)&rawmidisw -> s.value );
+ fprintf( out, " }\n" );
+ }
+ if ( rawmidi -> iswitches ) {
+ fprintf( out, " input {" );
+ for ( rawmidisw = rawmidi -> iswitches; rawmidisw; rawmidisw = rawmidisw -> next )
+ soundcard_setup_write_switch( out, SND_INTERFACE_RAWMIDI, rawmidisw -> s.name, rawmidisw -> s.type, rawmidisw -> s.low, rawmidisw -> s.high, (void *)&rawmidisw -> s.value );
+ fprintf( out, " }\n" );
+ }
+ fprintf( out, " }\n" );
+ }
+ fprintf( out, "}\n%s", first -> next ? "\n" : "" );
+ }
+ fclose( out );
+ return 0;
+}
+
+static int soundcard_open_ctl( void **ctlhandle, struct soundcard *soundcard )
+{
+ int err;
+
+ if ( *ctlhandle ) return 0;
+ if ( (err = snd_ctl_open( ctlhandle, soundcard -> no )) < 0 ) {
+ error( "Cannot open control interface for soundcard #%i.", soundcard -> no + 1 );
+ return 1;
+ }
+ return 0;
+}
+
+static int soundcard_open_mix( void **mixhandle, struct soundcard *soundcard, struct mixer *mixer )
+{
+ int err;
+
+ if ( *mixhandle ) return 0;
+ if ( (err = snd_mixer_open( mixhandle, soundcard -> no, mixer -> no )) < 0 ) {
+ error( "Cannot open mixer interface for soundcard #%i.", soundcard -> no + 1 );
+ return 1;
+ }
+ if ( (err = snd_mixer_exact_mode( *mixhandle, 1 )) < 0 ) {
+ error( "Cannot setup exact mode for mixer #%i/#%i: %s", soundcard -> no + 1, mixer -> no, snd_strerror( err ) );
+ return 1;
+ }
+ return 0;
+}
+
+int soundcard_setup_process( int cardno )
+{
+ int err;
+ void *ctlhandle = NULL;
+ void *mixhandle = NULL;
+ struct soundcard *soundcard;
+ struct ctl_switch *ctlsw;
+ struct mixer *mixer;
+ struct mixer_channel *channel;
+ struct mixer_switch *mixersw;
+ struct pcm *pcm;
+ struct pcm_switch *pcmsw;
+ struct rawmidi *rawmidi;
+ struct rawmidi_switch *rawmidisw;
+
+ for ( soundcard = soundcards; soundcard; soundcard = soundcard -> next ) {
+ if ( cardno >= 0 && soundcard -> no != cardno ) continue;
+ for ( ctlsw = soundcard -> control.switches; ctlsw; ctlsw = ctlsw -> next ) {
+ if ( ctlsw -> change )
+ if ( !soundcard_open_ctl( &ctlhandle, soundcard ) ) {
+ if ( (err = snd_ctl_switch_write( ctlhandle, ctlsw -> no, &ctlsw -> s )) < 0 )
+ error( "Control switch '%s' write error: %s", ctlsw -> s.name, snd_strerror( err ) );
+ }
+ }
+ for ( mixer = soundcard -> mixers; mixer; mixer = mixer -> next ) {
+ for ( channel = mixer -> channels; channel; channel = channel -> next )
+ if ( channel -> change )
+ if ( !soundcard_open_mix( &mixhandle, soundcard, mixer ) ) {
+ if ( (err = snd_mixer_channel_write( mixhandle, channel -> no, &channel -> c )) < 0 )
+ error( "Mixer channel '%s' write error: %s", channel -> i.name, snd_strerror( err ) );
+ }
+ if ( mixhandle ) { snd_mixer_close( mixhandle ); mixhandle = NULL; }
+ for ( mixersw = mixer -> switches; mixersw; mixersw = mixersw -> next )
+ if ( mixersw -> change )
+ if ( !soundcard_open_ctl( &ctlhandle, soundcard ) ) {
+ if ( (err = snd_ctl_mixer_switch_write( ctlhandle, mixer -> no, mixersw -> no, &mixersw -> s )) < 0 )
+ error( "Mixer switch '%s' write error: %s", mixersw -> s.name, snd_strerror( err ) );
+ }
+ }
+ for ( pcm = soundcard -> pcms; pcm; pcm = pcm -> next ) {
+ for ( pcmsw = pcm -> pswitches; pcmsw; pcmsw = pcmsw -> next ) {
+ if ( pcmsw -> change )
+ if ( !soundcard_open_ctl( &ctlhandle, soundcard ) ) {
+ if ( (err = snd_ctl_pcm_playback_switch_write( ctlhandle, pcm -> no, pcmsw -> no, &pcmsw -> s )) < 0 )
+ error( "PCM playback switch '%s' write error: %s", pcmsw -> s.name, snd_strerror( err ) );
+ }
+ }
+ for ( pcmsw = pcm -> rswitches; pcmsw; pcmsw = pcmsw -> next ) {
+ if ( pcmsw -> change )
+ if ( !soundcard_open_ctl( &ctlhandle, soundcard ) ) {
+ if ( (err = snd_ctl_pcm_playback_switch_write( ctlhandle, pcm -> no, pcmsw -> no, &pcmsw -> s )) < 0 )
+ error( "PCM record switch '%s' write error: %s", pcmsw -> s.name, snd_strerror( err ) );
+ }
+ }
+ }
+ for ( rawmidi = soundcard -> rawmidis; rawmidi; rawmidi = rawmidi -> next ) {
+ for ( rawmidisw = rawmidi -> oswitches; rawmidisw; rawmidisw = rawmidisw -> next ) {
+ if ( rawmidisw -> change )
+ if ( !soundcard_open_ctl( &ctlhandle, soundcard ) ) {
+ if ( (err = snd_ctl_rawmidi_output_switch_write( ctlhandle, rawmidi -> no, rawmidisw -> no, &rawmidisw -> s )) < 0 )
+ error( "RAWMIDI output switch '%s' write error: %s", rawmidisw -> s.name, snd_strerror( err ) );
+ }
+ }
+ for ( rawmidisw = rawmidi -> iswitches; rawmidisw; rawmidisw = rawmidisw -> next ) {
+ if ( rawmidisw -> change )
+ if ( !soundcard_open_ctl( &ctlhandle, soundcard ) ) {
+ if ( (err = snd_ctl_rawmidi_output_switch_write( ctlhandle, rawmidi -> no, rawmidisw -> no, &rawmidisw -> s )) < 0 )
+ error( "RAWMIDI input switch '%s' write error: %s", rawmidisw -> s.name, snd_strerror( err ) );
+ }
+ }
+ }
+ }
+ if ( ctlhandle ) snd_ctl_close( ctlhandle );
+ return 1;
+}
OSDN Git Service
