int snd_ctl_pcm_info( void *handle, int dev, snd_pcm_info_t *info );
int snd_ctl_pcm_playback_info( void *handle, int dev, snd_pcm_playback_info_t *info );
int snd_ctl_pcm_record_info( void *handle, int dev, snd_pcm_record_info_t *info );
+int snd_ctl_pcm_playback_switches( void *handle, int dev );
+int snd_ctl_pcm_playback_switch( void *handle, int dev, const char *channel_id );
+int snd_ctl_pcm_playback_switch_read( void *handle, int dev, int switchn, snd_pcm_switch_t *data );
+int snd_ctl_pcm_playback_switch_write( void *handle, int dev, int switchn, snd_pcm_switch_t *data );
+int snd_ctl_pcm_record_switches( void *handle, int dev );
+int snd_ctl_pcm_record_switch( void *handle, int dev, const char *channel_id );
+int snd_ctl_pcm_record_switch_read( 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 );
int snd_ctl_mixer_info( void *handle, int dev, snd_mixer_info_t *info );
+int snd_ctl_mixer_switches( void *handle, int dev );
+int snd_ctl_mixer_switch( void *handle, int dev, const char *channel_id );
+int snd_ctl_mixer_switch_read( 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 );
int snd_ctl_rawmidi_info( void *handle, int dev, snd_rawmidi_info_t *info );
+int snd_ctl_rawmidi_output_info( void *handle, int dev, snd_rawmidi_output_info_t *info );
+int snd_ctl_rawmidi_input_info( void *handle, int dev, snd_rawmidi_input_info_t *info );
+int snd_ctl_rawmidi_output_switches( void *handle, int dev );
+int snd_ctl_rawmidi_output_switch( void *handle, int dev, const char *channel_id );
+int snd_ctl_rawmidi_output_switch_read( 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 );
+int snd_ctl_rawmidi_input_switches( void *handle, int dev );
+int snd_ctl_rawmidi_input_switch( void *handle, int dev, const char *channel_id );
+int snd_ctl_rawmidi_input_switch_read( 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 );
#ifdef __cplusplus
}
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_mixer_t structure */
+ /* info about switches should be cached in the snd_ctl_t structure */
if ( (switches = snd_ctl_switches( handle )) < 0 )
return switches;
for ( idx = 0; idx < switches; idx++ ) {
return 0;
}
+int snd_ctl_pcm_playback_switches( void *handle, int dev )
+{
+ snd_ctl_t *ctl;
+ int result;
+
+ ctl = (snd_ctl_t *)handle;
+ if ( !ctl ) return -EINVAL;
+ if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
+ return -errno;
+ if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_PSWITCHES, &result ) < 0 )
+ return -errno;
+ return result;
+}
+
+int snd_ctl_pcm_playback_switch( void *handle, int dev, const char *switch_id )
+{
+ 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_playback_switches( handle, dev )) < 0 )
+ return switches;
+ for ( idx = 0; idx < switches; idx++ ) {
+ if ( (err = snd_ctl_pcm_playback_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_playback_switch_read( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
+{
+ 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_PSWITCH_READ, data ) < 0 )
+ return -errno;
+ return 0;
+}
+
+int snd_ctl_pcm_playback_switch_write( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
+{
+ 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_PSWITCH_WRITE, data ) < 0 )
+ return -errno;
+ return 0;
+}
+
+int snd_ctl_pcm_record_switches( void *handle, int dev )
+{
+ snd_ctl_t *ctl;
+ int result;
+
+ ctl = (snd_ctl_t *)handle;
+ if ( !ctl ) return -EINVAL;
+ if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_DEVICE, &dev ) < 0 )
+ return -errno;
+ if ( ioctl( ctl -> fd, SND_CTL_IOCTL_PCM_RSWITCHES, &result ) < 0 )
+ return -errno;
+ return result;
+}
+
+int snd_ctl_pcm_record_switch( void *handle, int dev, const char *switch_id )
+{
+ 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;
+}
+
+int snd_ctl_pcm_record_switch_read( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
+{
+ 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;
+}
+
+int snd_ctl_pcm_record_switch_write( void *handle, int dev, int switchn, snd_pcm_switch_t *data )
+{
+ 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;
+}
+
int snd_ctl_mixer_info( void *handle, int dev, snd_mixer_info_t *info )
{
snd_ctl_t *ctl;
return 0;
}
+int snd_ctl_mixer_switches( void *handle, int dev )
+{
+ 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;
+}
+
+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;
+
+ 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 )
+{
+ 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;
+}
+
+int snd_ctl_mixer_switch_write( void *handle, int dev, int switchn, snd_mixer_switch_t *data )
+{
+ 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;
+}
+
int snd_ctl_rawmidi_info( void *handle, int dev, snd_rawmidi_info_t *info )
{
snd_ctl_t *ctl;
return -errno;
return 0;
}
+
+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;
+}
+
+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;
+}
+
+int snd_ctl_rawmidi_output_switches( void *handle, int dev )
+{
+ 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;
+}
+
+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;
+
+ 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 )
+{
+ 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;
+}
+
+int snd_ctl_rawmidi_output_switch_write( void *handle, int dev, int switchn, snd_rawmidi_switch_t *data )
+{
+ 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;
+}
+
+int snd_ctl_rawmidi_input_switches( void *handle, int dev )
+{
+ 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;
+}
+
+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;
+
+ 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 )
+{
+ 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;
+}
+
+int snd_ctl_rawmidi_input_switch_write( void *handle, int dev, int switchn, snd_rawmidi_switch_t *data )
+{
+ 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;
+}