mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-03 09:01:52 -05:00
68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include "../include/soundlib.h"
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void main( void )
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{
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int idx, idx1, cards, err;
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void *handle;
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struct snd_ctl_hw_info info;
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snd_pcm_info_t pcminfo;
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snd_mixer_info_t mixerinfo;
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char str[128];
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cards = snd_cards();
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printf( "Detected %i soundcard%s...\n", cards, cards > 1 ? "s" : "" );
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if ( cards <= 0 ) {
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printf( "Giving up...\n" );
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return;
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}
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for ( idx = 0; idx < cards; idx++ ) {
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if ( (err = snd_ctl_open( &handle, idx )) < 0 ) {
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printf( "Open error: %s\n", snd_strerror( err ) );
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continue;
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}
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if ( (err = snd_ctl_hw_info( handle, &info )) < 0 ) {
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printf( "HW info error: %s\n", snd_strerror( err ) );
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continue;
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}
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printf( "Soundcard #%i:\n", idx + 1 );
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printf( " type - %i\n", info.type );
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printf( " gcaps - 0x%x\n", info.gcaps );
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printf( " lcaps - 0x%x\n", info.lcaps );
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printf( " pcm devs - 0x%x\n", info.pcmdevs );
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printf( " mixer devs - 0x%x\n", info.mixerdevs );
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printf( " midi devs - 0x%x\n", info.mididevs );
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memset( str, 0, sizeof( str ) );
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strncpy( str, info.id, sizeof( info.id ) );
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printf( " id - '%s'\n", str );
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printf( " abbreviation - '%s'\n", info.abbreviation );
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printf( " name - '%s'\n", info.name );
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printf( " longname - '%s'\n", info.longname );
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for ( idx1 = 0; idx1 < info.pcmdevs; idx1++ ) {
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printf( "PCM info, device #%i:\n", idx1 );
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if ( (err = snd_ctl_pcm_info( handle, idx1, &pcminfo )) < 0 ) {
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printf( " PCM info error: %s\n", snd_strerror( err ) );
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continue;
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}
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printf( " type - %i\n", pcminfo.type );
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printf( " flags - 0x%x\n", pcminfo.flags );
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printf( " id - '%s'\n", pcminfo.id );
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printf( " name - '%s'\n", pcminfo.name );
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}
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for ( idx1 = 0; idx1 < info.mixerdevs; idx1++ ) {
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printf( "MIXER info, device #%i:\n", idx1 );
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if ( (err = snd_ctl_mixer_info( handle, idx1, &mixerinfo )) < 0 ) {
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printf( " MIXER info error: %s\n", snd_strerror( err ) );
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continue;
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}
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printf( " type - %i\n", mixerinfo.type );
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printf( " channels - %i\n", mixerinfo.channels );
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printf( " caps - 0x%x\n", mixerinfo.caps );
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printf( " id - '%s'\n", mixerinfo.id );
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printf( " name - '%s'\n", mixerinfo.name );
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}
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snd_ctl_close( handle );
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}
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}
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