mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-03 09:01:52 -05:00
Coding style...
This commit is contained in:
Jaroslav Kysela
parent
2605e4d7dd
commit
a741225e6e
6 changed files with 1345 additions and 1223 deletions
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@ -30,532 +30,568 @@
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#define SND_FILE_CONTROL "/dev/snd/control%i"
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#define SND_CTL_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
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typedef struct {
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int card;
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int fd;
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int card;
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int fd;
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} snd_ctl_t;
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int snd_ctl_open( void **handle, int card )
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{
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int fd, ver;
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char filename[32];
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snd_ctl_t *ctl;
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*handle = NULL;
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if ( card < 0 || card >= SND_CARDS ) return -EINVAL;
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sprintf( filename, SND_FILE_CONTROL, card );
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if ( (fd = open( filename, O_RDWR )) < 0 ) return -errno;
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if ( ioctl( fd, SND_CTL_IOCTL_PVERSION, &ver ) < 0 ) {
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close( fd );
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return -errno;
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}
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if ( SND_PROTOCOL_UNCOMPATIBLE( ver, SND_CTL_VERSION_MAX ) ) {
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close( fd );
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return -SND_ERROR_UNCOMPATIBLE_VERSION;
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}
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ctl = (snd_ctl_t *)calloc( 1, sizeof( snd_ctl_t ) );
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if ( ctl == NULL ) {
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close( fd );
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return -ENOMEM;
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}
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ctl -> card = card;
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ctl -> fd = fd;
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*handle = ctl;
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return 0;
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int snd_ctl_open(void **handle, int card)
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{
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int fd, ver;
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char filename[32];
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snd_ctl_t *ctl;
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*handle = NULL;
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if (card < 0 || card >= SND_CARDS)
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return -EINVAL;
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sprintf(filename, SND_FILE_CONTROL, card);
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if ((fd = open(filename, O_RDWR)) < 0)
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return -errno;
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if (ioctl(fd, SND_CTL_IOCTL_PVERSION, &ver) < 0) {
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close(fd);
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return -errno;
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}
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if (SND_PROTOCOL_UNCOMPATIBLE(ver, SND_CTL_VERSION_MAX)) {
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close(fd);
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return -SND_ERROR_UNCOMPATIBLE_VERSION;
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}
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ctl = (snd_ctl_t *) calloc(1, sizeof(snd_ctl_t));
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if (ctl == NULL) {
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close(fd);
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return -ENOMEM;
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}
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ctl->card = card;
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ctl->fd = fd;
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*handle = ctl;
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return 0;
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}
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int snd_ctl_close( void *handle )
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int snd_ctl_close(void *handle)
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{
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snd_ctl_t *ctl;
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int res;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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res = close( ctl -> fd ) < 0 ? -errno : 0;
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free( ctl );
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return res;
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snd_ctl_t *ctl;
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int res;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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res = close(ctl->fd) < 0 ? -errno : 0;
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free(ctl);
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return res;
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}
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int snd_ctl_file_descriptor( void *handle )
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int snd_ctl_file_descriptor(void *handle)
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{
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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return ctl -> fd;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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return ctl->fd;
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}
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int snd_ctl_hw_info( void *handle, struct snd_ctl_hw_info *info )
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int snd_ctl_hw_info(void *handle, struct snd_ctl_hw_info *info)
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{
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_HW_INFO, info ) < 0 )
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return -errno;
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return 0;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_HW_INFO, info) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_switches( void *handle )
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int snd_ctl_switches(void *handle)
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{
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snd_ctl_t *ctl;
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int result;
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snd_ctl_t *ctl;
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int result;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_SWITCHES, &result ) < 0 )
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return -errno;
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return result;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCHES, &result) < 0)
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return -errno;
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return result;
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}
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int snd_ctl_switch( void *handle, const char *switch_id )
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int snd_ctl_switch(void *handle, const char *switch_id)
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{
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snd_ctl_t *ctl;
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struct snd_ctl_switch uswitch;
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int idx, switches, err;
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snd_ctl_t *ctl;
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struct snd_ctl_switch uswitch;
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int idx, switches, err;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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/* bellow implementation isn't optimized for speed */
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/* info about switches should be cached in the snd_ctl_t structure */
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if ( (switches = snd_ctl_switches( handle )) < 0 )
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return switches;
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for ( idx = 0; idx < switches; idx++ ) {
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if ( (err = snd_ctl_switch_read( handle, idx, &uswitch )) < 0 )
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return err;
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if ( !strncmp( switch_id, uswitch.name, sizeof( uswitch.name ) ) )
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return idx;
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}
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return -EINVAL;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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/* bellow implementation isn't optimized for speed */
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/* info about switches should be cached in the snd_ctl_t structure */
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if ((switches = snd_ctl_switches(handle)) < 0)
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return switches;
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for (idx = 0; idx < switches; idx++) {
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if ((err = snd_ctl_switch_read(handle, idx, &uswitch)) < 0)
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return err;
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if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
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return idx;
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}
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return -EINVAL;
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}
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int snd_ctl_switch_read( void *handle, int switchn, struct snd_ctl_switch *data )
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int snd_ctl_switch_read(void *handle, int switchn, struct snd_ctl_switch *data)
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{
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snd_ctl_t *ctl;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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data -> switchn = switchn;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_SWITCH_READ, data ) < 0 )
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return -errno;
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return 0;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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data->switchn = switchn;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_READ, data) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_switch_write( void *handle, int switchn, struct snd_ctl_switch *data )
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int snd_ctl_switch_write(void *handle, int switchn, struct snd_ctl_switch *data)
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{
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snd_ctl_t *ctl;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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data -> switchn = switchn;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_SWITCH_WRITE, data ) < 0 )
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return -errno;
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return 0;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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data->switchn = switchn;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_WRITE, data) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_pcm_info( void *handle, int dev, snd_pcm_info_t *info )
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int snd_ctl_pcm_info(void *handle, int dev, snd_pcm_info_t * info)
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{
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_INFO, info ) < 0 )
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return -errno;
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return 0;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_INFO, info) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_pcm_playback_info( void *handle, int dev, snd_pcm_playback_info_t *info )
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int snd_ctl_pcm_playback_info(void *handle, int dev, snd_pcm_playback_info_t * info)
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{
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_PLAYBACK_INFO, info ) < 0 )
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return -errno;
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return 0;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PLAYBACK_INFO, info) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_pcm_record_info( void *handle, int dev, snd_pcm_record_info_t *info )
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int snd_ctl_pcm_record_info(void *handle, int dev, snd_pcm_record_info_t * info)
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{
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_RECORD_INFO, info ) < 0 )
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return -errno;
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return 0;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RECORD_INFO, info) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_pcm_playback_switches( void *handle, int dev )
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int snd_ctl_pcm_playback_switches(void *handle, int dev)
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{
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snd_ctl_t *ctl;
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int result;
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snd_ctl_t *ctl;
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int result;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_PSWITCHES, &result ) < 0 )
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return -errno;
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return result;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PSWITCHES, &result) < 0)
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return -errno;
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return result;
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}
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int snd_ctl_pcm_playback_switch( void *handle, int dev, const char *switch_id )
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int snd_ctl_pcm_playback_switch(void *handle, int dev, const char *switch_id)
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{
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snd_ctl_t *ctl;
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snd_pcm_switch_t uswitch;
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int idx, switches, err;
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snd_ctl_t *ctl;
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snd_pcm_switch_t uswitch;
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int idx, switches, err;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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/* bellow implementation isn't optimized for speed */
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/* info about switches should be cached in the snd_ctl_t structure */
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if ( (switches = snd_ctl_pcm_playback_switches( handle, dev )) < 0 )
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return switches;
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for ( idx = 0; idx < switches; idx++ ) {
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if ( (err = snd_ctl_pcm_playback_switch_read( handle, dev, idx, &uswitch )) < 0 )
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return err;
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if ( !strncmp( switch_id, uswitch.name, sizeof( uswitch.name ) ) )
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return idx;
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}
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return -EINVAL;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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/* bellow implementation isn't optimized for speed */
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/* info about switches should be cached in the snd_ctl_t structure */
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if ((switches = snd_ctl_pcm_playback_switches(handle, dev)) < 0)
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return switches;
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for (idx = 0; idx < switches; idx++) {
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if ((err = snd_ctl_pcm_playback_switch_read(handle, dev, idx, &uswitch)) < 0)
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return err;
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if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
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return idx;
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}
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return -EINVAL;
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}
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int snd_ctl_pcm_playback_switch_read( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
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int snd_ctl_pcm_playback_switch_read(void *handle, int dev, int switchn, snd_pcm_switch_t * data)
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{
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snd_ctl_t *ctl;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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data -> switchn = switchn;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_PSWITCH_READ, data ) < 0 )
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return -errno;
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return 0;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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data->switchn = switchn;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PSWITCH_READ, data) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_pcm_playback_switch_write( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
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int snd_ctl_pcm_playback_switch_write(void *handle, int dev, int switchn, snd_pcm_switch_t * data)
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{
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snd_ctl_t *ctl;
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snd_ctl_t *ctl;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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data -> switchn = switchn;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_PSWITCH_WRITE, data ) < 0 )
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return -errno;
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return 0;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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data->switchn = switchn;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PSWITCH_WRITE, data) < 0)
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return -errno;
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return 0;
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}
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int snd_ctl_pcm_record_switches( void *handle, int dev )
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int snd_ctl_pcm_record_switches(void *handle, int dev)
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{
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snd_ctl_t *ctl;
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int result;
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snd_ctl_t *ctl;
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int result;
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ctl = (snd_ctl_t *)handle;
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if ( !ctl ) return -EINVAL;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
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return -errno;
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if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_RSWITCHES, &result ) < 0 )
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return -errno;
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return result;
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ctl = (snd_ctl_t *) handle;
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if (!ctl)
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return -EINVAL;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
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return -errno;
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if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RSWITCHES, &result) < 0)
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return -errno;
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return result;
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}
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int snd_ctl_pcm_record_switch( void *handle, int dev, const char *switch_id )
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int snd_ctl_pcm_record_switch(void *handle, int dev, const char *switch_id)
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{
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snd_ctl_t *ctl;
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snd_pcm_switch_t uswitch;
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int idx, switches, err;
|
||||
snd_ctl_t *ctl;
|
||||
snd_pcm_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ( (switches = snd_ctl_pcm_record_switches( handle, dev )) < 0 )
|
||||
return switches;
|
||||
for ( idx = 0; idx < switches; idx++ ) {
|
||||
if ( (err = snd_ctl_pcm_record_switch_read( handle, dev, idx, &uswitch )) < 0 )
|
||||
return err;
|
||||
if ( !strncmp( switch_id, uswitch.name, sizeof( uswitch.name ) ) )
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ((switches = snd_ctl_pcm_record_switches(handle, dev)) < 0)
|
||||
return switches;
|
||||
for (idx = 0; idx < switches; idx++) {
|
||||
if ((err = snd_ctl_pcm_record_switch_read(handle, dev, idx, &uswitch)) < 0)
|
||||
return err;
|
||||
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int snd_ctl_pcm_record_switch_read( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
|
||||
int snd_ctl_pcm_record_switch_read(void *handle, int dev, int switchn, snd_pcm_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_RSWITCH_READ, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RSWITCH_READ, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_pcm_record_switch_write( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
|
||||
int snd_ctl_pcm_record_switch_write(void *handle, int dev, int switchn, snd_pcm_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_RSWITCH_WRITE, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RSWITCH_WRITE, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_mixer_info( void *handle, int dev, snd_mixer_info_t *info )
|
||||
int snd_ctl_mixer_info(void *handle, int dev, snd_mixer_info_t * info)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_INFO, info ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_INFO, info) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_mixer_switches( void *handle, int dev )
|
||||
int snd_ctl_mixer_switches(void *handle, int dev)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
int result;
|
||||
snd_ctl_t *ctl;
|
||||
int result;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_SWITCHES, &result ) < 0 )
|
||||
return -errno;
|
||||
return result;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCHES, &result) < 0)
|
||||
return -errno;
|
||||
return result;
|
||||
}
|
||||
|
||||
int snd_ctl_mixer_switch( void *handle, int dev, const char *switch_id )
|
||||
int snd_ctl_mixer_switch(void *handle, int dev, const char *switch_id)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_mixer_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
snd_ctl_t *ctl;
|
||||
snd_mixer_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ( (switches = snd_ctl_mixer_switches( handle, dev )) < 0 )
|
||||
return switches;
|
||||
for ( idx = 0; idx < switches; idx++ ) {
|
||||
if ( (err = snd_ctl_mixer_switch_read( handle, dev, idx, &uswitch )) < 0 )
|
||||
return err;
|
||||
if ( !strncmp( switch_id, uswitch.name, sizeof( uswitch.name ) ) )
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ((switches = snd_ctl_mixer_switches(handle, dev)) < 0)
|
||||
return switches;
|
||||
for (idx = 0; idx < switches; idx++) {
|
||||
if ((err = snd_ctl_mixer_switch_read(handle, dev, idx, &uswitch)) < 0)
|
||||
return err;
|
||||
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int snd_ctl_mixer_switch_read( void *handle, int dev, int switchn, snd_mixer_switch_t *data )
|
||||
int snd_ctl_mixer_switch_read(void *handle, int dev, int switchn, snd_mixer_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_SWITCH_READ, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_READ, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_mixer_switch_write( void *handle, int dev, int switchn, snd_mixer_switch_t *data )
|
||||
int snd_ctl_mixer_switch_write(void *handle, int dev, int switchn, snd_mixer_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_MIXER_SWITCH_WRITE, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_WRITE, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_info( void *handle, int dev, snd_rawmidi_info_t *info )
|
||||
int snd_ctl_rawmidi_info(void *handle, int dev, snd_rawmidi_info_t * info)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_INFO, info ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_INFO, info) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_output_info( void *handle, int dev, snd_rawmidi_output_info_t *info )
|
||||
int snd_ctl_rawmidi_output_info(void *handle, int dev, snd_rawmidi_output_info_t * info)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_OUTPUT_INFO, info ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OUTPUT_INFO, info) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_input_info( void *handle, int dev, snd_rawmidi_input_info_t *info )
|
||||
int snd_ctl_rawmidi_input_info(void *handle, int dev, snd_rawmidi_input_info_t * info)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_INPUT_INFO, info ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_INPUT_INFO, info) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_output_switches( void *handle, int dev )
|
||||
int snd_ctl_rawmidi_output_switches(void *handle, int dev)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
int result;
|
||||
snd_ctl_t *ctl;
|
||||
int result;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_OSWITCHES, &result ) < 0 )
|
||||
return -errno;
|
||||
return result;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OSWITCHES, &result) < 0)
|
||||
return -errno;
|
||||
return result;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_output_switch( void *handle, int dev, const char *switch_id )
|
||||
int snd_ctl_rawmidi_output_switch(void *handle, int dev, const char *switch_id)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_rawmidi_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
snd_ctl_t *ctl;
|
||||
snd_rawmidi_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ( (switches = snd_ctl_rawmidi_output_switches( handle, dev )) < 0 )
|
||||
return switches;
|
||||
for ( idx = 0; idx < switches; idx++ ) {
|
||||
if ( (err = snd_ctl_rawmidi_output_switch_read( handle, dev, idx, &uswitch )) < 0 )
|
||||
return err;
|
||||
if ( !strncmp( switch_id, uswitch.name, sizeof( uswitch.name ) ) )
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ((switches = snd_ctl_rawmidi_output_switches(handle, dev)) < 0)
|
||||
return switches;
|
||||
for (idx = 0; idx < switches; idx++) {
|
||||
if ((err = snd_ctl_rawmidi_output_switch_read(handle, dev, idx, &uswitch)) < 0)
|
||||
return err;
|
||||
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_output_switch_read( void *handle, int dev, int switchn, snd_rawmidi_switch_t *data )
|
||||
int snd_ctl_rawmidi_output_switch_read(void *handle, int dev, int switchn, snd_rawmidi_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_READ, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_READ, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_output_switch_write( void *handle, int dev, int switchn, snd_rawmidi_switch_t *data )
|
||||
int snd_ctl_rawmidi_output_switch_write(void *handle, int dev, int switchn, snd_rawmidi_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_WRITE, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_WRITE, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_input_switches( void *handle, int dev )
|
||||
int snd_ctl_rawmidi_input_switches(void *handle, int dev)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
int result;
|
||||
snd_ctl_t *ctl;
|
||||
int result;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_ISWITCHES, &result ) < 0 )
|
||||
return -errno;
|
||||
return result;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_ISWITCHES, &result) < 0)
|
||||
return -errno;
|
||||
return result;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_input_switch( void *handle, int dev, const char *switch_id )
|
||||
int snd_ctl_rawmidi_input_switch(void *handle, int dev, const char *switch_id)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_rawmidi_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
snd_ctl_t *ctl;
|
||||
snd_rawmidi_switch_t uswitch;
|
||||
int idx, switches, err;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ( (switches = snd_ctl_rawmidi_input_switches( handle, dev )) < 0 )
|
||||
return switches;
|
||||
for ( idx = 0; idx < switches; idx++ ) {
|
||||
if ( (err = snd_ctl_rawmidi_input_switch_read( handle, dev, idx, &uswitch )) < 0 )
|
||||
return err;
|
||||
if ( !strncmp( switch_id, uswitch.name, sizeof( uswitch.name ) ) )
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
/* bellow implementation isn't optimized for speed */
|
||||
/* info about switches should be cached in the snd_ctl_t structure */
|
||||
if ((switches = snd_ctl_rawmidi_input_switches(handle, dev)) < 0)
|
||||
return switches;
|
||||
for (idx = 0; idx < switches; idx++) {
|
||||
if ((err = snd_ctl_rawmidi_input_switch_read(handle, dev, idx, &uswitch)) < 0)
|
||||
return err;
|
||||
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
|
||||
return idx;
|
||||
}
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_input_switch_read( void *handle, int dev, int switchn, snd_rawmidi_switch_t *data )
|
||||
int snd_ctl_rawmidi_input_switch_read(void *handle, int dev, int switchn, snd_rawmidi_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_READ, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_READ, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int snd_ctl_rawmidi_input_switch_write( void *handle, int dev, int switchn, snd_rawmidi_switch_t *data )
|
||||
int snd_ctl_rawmidi_input_switch_write(void *handle, int dev, int switchn, snd_rawmidi_switch_t * data)
|
||||
{
|
||||
snd_ctl_t *ctl;
|
||||
snd_ctl_t *ctl;
|
||||
|
||||
ctl = (snd_ctl_t *)handle;
|
||||
if ( !ctl ) return -EINVAL;
|
||||
data -> switchn = switchn;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev ) < 0 )
|
||||
return -errno;
|
||||
if ( ioctl( ctl -> fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_WRITE, data ) < 0 )
|
||||
return -errno;
|
||||
return 0;
|
||||
ctl = (snd_ctl_t *) handle;
|
||||
if (!ctl)
|
||||
return -EINVAL;
|
||||
data->switchn = switchn;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
|
||||
return -errno;
|
||||
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_WRITE, data) < 0)
|
||||
return -errno;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue