mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

New universal switch v2.0 interface.

Browse source
This commit is contained in:
Jaroslav Kysela 1999-03-27 19:44:51 +00:00
parent e735bf70dd
commit 3f541735e3
9 changed files with 416 additions and 740 deletions
Download patch file Download diff file Expand all files Collapse all files

42
include/control.h
View file

@ -18,37 +18,31 @@ int snd_ctl_open(void **handle, int card);
int snd_ctl_close(void *handle);
int snd_ctl_file_descriptor(void *handle);
int snd_ctl_hw_info(void *handle, struct snd_ctl_hw_info *info);
int snd_ctl_switches(void *handle);
int snd_ctl_switch(void *handle, const char *switch_id);
int snd_ctl_switch_read(void *handle, int switchn, snd_ctl_switch_t * data);
int snd_ctl_switch_write(void *handle, int switchn, snd_ctl_switch_t * data);
int snd_ctl_switch_list(void *handle, snd_switch_list_t * list);
int snd_ctl_switch_read(void *handle, snd_switch_t * sw);
int snd_ctl_switch_write(void *handle, snd_switch_t * sw);
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 *switch_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 *switch_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_pcm_playback_switch_list(void *handle, int dev, snd_switch_list_t * list);
int snd_ctl_pcm_playback_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_playback_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_record_switch_list(void *handle, int dev, snd_switch_list_t * list);
int snd_ctl_pcm_record_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_pcm_record_switch_write(void *handle, int dev, snd_switch_t * sw);
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 *switch_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_mixer_switch_list(void *handle, int dev, snd_switch_list_t *list);
int snd_ctl_mixer_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_mixer_switch_write(void *handle, int dev, snd_switch_t * sw);
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 *switch_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 *switch_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);
int snd_ctl_rawmidi_output_switch_list(void *handle, int dev, snd_switch_list_t *list);
int snd_ctl_rawmidi_output_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_output_switch_write(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_input_switch_list(void *handle, int dev, snd_switch_list_t *list);
int snd_ctl_rawmidi_input_switch_read(void *handle, int dev, snd_switch_t * sw);
int snd_ctl_rawmidi_input_switch_write(void *handle, int dev, snd_switch_t * sw);
#ifdef __cplusplus
}

6
include/mixer.h
View file

@ -34,9 +34,9 @@ int snd_mixer_channel_output_read(void *handle, int channel, snd_mixer_channel_d
int snd_mixer_channel_output_write(void *handle, int channel, snd_mixer_channel_direction_t * data);
int snd_mixer_channel_input_read(void *handle, int channel, snd_mixer_channel_direction_t * data);
int snd_mixer_channel_input_write(void *handle, int channel, snd_mixer_channel_direction_t * data);
int snd_mixer_switches(void *handle);
int snd_mixer_switch_read(void *handle, int switchn, snd_mixer_switch_t * data);
int snd_mixer_switch_write(void *handle, int switchn, snd_mixer_switch_t * data);
int snd_mixer_switch_list(void *handle, snd_switch_list_t * list);
int snd_mixer_switch_read(void *handle, snd_switch_t * sw);
int snd_mixer_switch_write(void *handle, snd_switch_t * sw);
int snd_mixer_read(void *handle, snd_mixer_callbacks_t * callbacks);
#ifdef __cplusplus

14
include/pcm.h
View file

@ -20,14 +20,12 @@ int snd_pcm_block_mode(void *handle, int enable);
int snd_pcm_info(void *handle, snd_pcm_info_t * info);
int snd_pcm_playback_info(void *handle, snd_pcm_playback_info_t * info);
int snd_pcm_record_info(void *handle, snd_pcm_record_info_t * info);
int snd_pcm_playback_switches(void *handle);
int snd_pcm_playback_switch(void *handle, const char *switch_id);
int snd_pcm_playback_switch_read(void *handle, int switchn, snd_pcm_switch_t * data);
int snd_pcm_playback_switch_write(void *handle, int switchn, snd_pcm_switch_t * data);
int snd_pcm_record_switches(void *handle);
int snd_pcm_record_switch(void *handle, const char *switch_id);
int snd_pcm_record_switch_read(void *handle, int switchn, snd_pcm_switch_t * data);
int snd_pcm_record_switch_write(void *handle, int switchn, snd_pcm_switch_t * data);
int snd_pcm_playback_switch_list(void *handle, snd_switch_list_t * list);
int snd_pcm_playback_switch_read(void *handle, snd_switch_t * sw);
int snd_pcm_playback_switch_write(void *handle, snd_switch_t * sw);
int snd_pcm_record_switch_list(void *handle, snd_switch_list_t * list);
int snd_pcm_record_switch_read(void *handle, snd_switch_t * sw);
int snd_pcm_record_switch_write(void *handle, snd_switch_t * sw);
int snd_pcm_playback_format(void *handle, snd_pcm_format_t * format);
int snd_pcm_record_format(void *handle, snd_pcm_format_t * format);
int snd_pcm_playback_params(void *handle, snd_pcm_playback_params_t * params);

14
include/rawmidi.h
View file

@ -18,14 +18,12 @@ int snd_rawmidi_close(void *handle);
int snd_rawmidi_file_descriptor(void *handle);
int snd_rawmidi_block_mode(void *handle, int enable);
int snd_rawmidi_info(void *handle, snd_rawmidi_info_t * info);
int snd_rawmidi_output_switches(void *handle);
int snd_rawmidi_output_switch(void *handle, const char *switch_id);
int snd_rawmidi_output_switch_read(void *handle, int switchn, snd_rawmidi_switch_t * data);
int snd_rawmidi_output_switch_write(void *handle, int switchn, snd_rawmidi_switch_t * data);
int snd_rawmidi_input_switches(void *handle);
int snd_rawmidi_input_switch(void *handle, const char *switch_id);
int snd_rawmidi_input_switch_read(void *handle, int switchn, snd_rawmidi_switch_t * data);
int snd_rawmidi_input_switch_write(void *handle, int switchn, snd_rawmidi_switch_t * data);
int snd_rawmidi_output_switch_list(void *handle, snd_switch_list_t * list);
int snd_rawmidi_output_switch_read(void *handle, snd_switch_t * sw);
int snd_rawmidi_output_switch_write(void *handle, snd_switch_t * sw);
int snd_rawmidi_input_switch_list(void *handle, snd_switch_list_t * list);
int snd_rawmidi_input_switch_read(void *handle, snd_switch_t * sw);
int snd_rawmidi_input_switch_write(void *handle, snd_switch_t * sw);
int snd_rawmidi_output_params(void *handle, snd_rawmidi_output_params_t * params);
int snd_rawmidi_input_params(void *handle, snd_rawmidi_input_params_t * params);
int snd_rawmidi_output_status(void *handle, snd_rawmidi_output_status_t * status);

392
src/control/control.c
View file

@ -107,64 +107,38 @@ int snd_ctl_hw_info(void *handle, struct snd_ctl_hw_info *info)
return 0;
}
int snd_ctl_switches(void *handle)
{
snd_ctl_t *ctl;
int result;
ctl = (snd_ctl_t *) handle;
if (!ctl)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCHES, &result) < 0)
return -errno;
return result;
}
int snd_ctl_switch(void *handle, const char *switch_id)
{
snd_ctl_t *ctl;
struct snd_ctl_switch uswitch;
int idx, switches, err;
ctl = (snd_ctl_t *) handle;
if (!ctl || !switch_id)
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_switches(handle)) < 0)
return switches;
for (idx = 0; idx < switches; idx++) {
if ((err = snd_ctl_switch_read(handle, idx, &uswitch)) < 0)
return err;
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
return idx;
}
return -EINVAL;
}
int snd_ctl_switch_read(void *handle, int switchn, snd_ctl_switch_t *data)
int snd_ctl_switch_list(void *handle, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || switchn < 0)
if (!ctl || !list)
return -EINVAL;
bzero(data, sizeof(snd_ctl_switch_t));
data->switchn = switchn;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_READ, data) < 0)
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_switch_write(void *handle, int switchn, snd_ctl_switch_t *data)
int snd_ctl_switch_read(void *handle, snd_switch_t *sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || switchn < 0)
if (!ctl || !sw || sw->name[0] == '\0')
return -EINVAL;
data->switchn = switchn;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_WRITE, data) < 0)
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_switch_write(void *handle, snd_switch_t *sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
@ -211,138 +185,86 @@ int snd_ctl_pcm_record_info(void *handle, int dev, snd_pcm_record_info_t * info)
return 0;
}
int snd_ctl_pcm_playback_switches(void *handle, int dev)
int snd_ctl_pcm_playback_switch_list(void *handle, int dev, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
int result;
ctl = (snd_ctl_t *) handle;
if (!ctl || dev < 0)
if (!ctl || dev < 0 || !list)
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 || !switch_id || dev < 0)
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 || !data || dev < 0 || switchn < 0)
return -EINVAL;
bzero(data, sizeof(snd_pcm_switch_t));
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PSWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_playback_switch_write(void *handle, int dev, int switchn, snd_pcm_switch_t * data)
int snd_ctl_pcm_playback_switch_read(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || dev < 0 || switchn < 0)
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PSWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_record_switches(void *handle, int dev)
int snd_ctl_pcm_playback_switch_write(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
int result;
ctl = (snd_ctl_t *) handle;
if (!ctl || dev < 0)
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
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 || !switch_id || dev < 0)
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 || !data || dev < 0 || switchn < 0)
return -EINVAL;
bzero(data, sizeof(snd_pcm_switch_t));
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_PSWITCH_WRITE, sw) < 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_list(void *handle, int dev, snd_switch_list_t * list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || dev < 0 || switchn < 0)
if (!ctl || !list || dev < 0)
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RSWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_record_switch_read(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RSWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_record_switch_write(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_RSWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
@ -361,70 +283,44 @@ int snd_ctl_mixer_info(void *handle, int dev, snd_mixer_info_t * info)
return 0;
}
int snd_ctl_mixer_switches(void *handle, int dev)
int snd_ctl_mixer_switch_list(void *handle, int dev, snd_switch_list_t * list)
{
snd_ctl_t *ctl;
int result;
ctl = (snd_ctl_t *) handle;
if (!ctl || dev < 0)
if (!ctl || !list || dev < 0)
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 || !switch_id || dev < 0)
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 || !data || dev < 0 || switchn < 0)
return -EINVAL;
bzero(data, sizeof(snd_mixer_switch_t));
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_LIST, list) < 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_read(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || dev < 0 || switchn < 0)
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_mixer_switch_write(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
@ -471,138 +367,86 @@ int snd_ctl_rawmidi_input_info(void *handle, int dev, snd_rawmidi_input_info_t *
return 0;
}
int snd_ctl_rawmidi_output_switches(void *handle, int dev)
int snd_ctl_rawmidi_output_switch_list(void *handle, int dev, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
int result;
ctl = (snd_ctl_t *) handle;
if (!ctl || dev < 0)
if (!ctl || !list || dev < 0)
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 || !switch_id || dev < 0)
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 || !data || dev < 0 || switchn < 0)
return -EINVAL;
bzero(data, sizeof(snd_rawmidi_switch_t));
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_LIST, list) < 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_read(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || dev < 0 || switchn < 0)
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_input_switches(void *handle, int dev)
int snd_ctl_rawmidi_output_switch_write(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
int result;
ctl = (snd_ctl_t *) handle;
if (!ctl || dev < 0)
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
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 || !switch_id || dev < 0)
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 || !data || dev < 0 || switchn < 0)
return -EINVAL;
bzero(data, sizeof(snd_rawmidi_switch_t));
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_OSWITCH_WRITE, sw) < 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_list(void *handle, int dev, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !data || dev < 0 || switchn < 0)
if (!ctl || !list || dev < 0)
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)
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_input_switch_read(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_input_switch_write(void *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = (snd_ctl_t *) handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_ISWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}

62
src/mixer/mixer.c
View file

@ -275,64 +275,38 @@ int snd_mixer_channel_input_write(void *handle, int channel, snd_mixer_channel_d
return 0;
}
int snd_mixer_switches(void *handle)
{
snd_mixer_t *mixer;
int result;
mixer = (snd_mixer_t *) handle;
if (!mixer)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCHES, &result) < 0)
return -errno;
return result;
}
int snd_mixer_switch(void *handle, const char *switch_id)
{
snd_mixer_t *mixer;
snd_mixer_switch_t uswitch;
int idx, switches, err;
mixer = (snd_mixer_t *) handle;
if (!mixer || !switch_id)
return -EINVAL;
/* bellow implementation isn't optimized for speed */
/* info about switches should be cached in the snd_mixer_t structure */
if ((switches = snd_mixer_switches(handle)) < 0)
return switches;
for (idx = 0; idx < switches; idx++) {
if ((err = snd_mixer_switch_read(handle, idx, &uswitch)) < 0)
return err;
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
return idx;
}
return -EINVAL;
}
int snd_mixer_switch_read(void *handle, int switchn, snd_mixer_switch_t * data)
int snd_mixer_switch_list(void *handle, snd_switch_list_t * list)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
if (!mixer || !data || switchn < 0)
if (!mixer || !list)
return -EINVAL;
bzero(data, sizeof(snd_mixer_switch_t));
data->switchn = switchn;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_READ, data) < 0)
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_LIST, &list) < 0)
return -errno;
return 0;
}
int snd_mixer_switch_write(void *handle, int switchn, snd_mixer_switch_t * data)
int snd_mixer_switch_read(void *handle, snd_switch_t * sw)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
if (!mixer || !data || switchn < 0)
if (!mixer || !sw || sw->name[0] == '\0')
return -EINVAL;
data->switchn = switchn;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_WRITE, data) < 0)
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_mixer_switch_write(void *handle, snd_switch_t * sw)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
if (!mixer || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}

124
src/pcm/pcm.c
View file

@ -151,126 +151,74 @@ int snd_pcm_record_info(void *handle, snd_pcm_record_info_t * info)
return 0;
}
int snd_pcm_playback_switches(void *handle)
{
snd_pcm_t *pcm;
int result;
pcm = (snd_pcm_t *) handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PSWITCHES, &result) < 0)
return -errno;
return result;
}
int snd_pcm_playback_switch(void *handle, const char *switch_id)
{
snd_pcm_t *pcm;
snd_pcm_switch_t uswitch;
int idx, switches, err;
pcm = (snd_pcm_t *) handle;
if (!pcm || !switch_id)
return -EINVAL;
/* bellow implementation isn't optimized for speed */
/* info about switches should be cached in the snd_mixer_t structure */
if ((switches = snd_pcm_playback_switches(handle)) < 0)
return switches;
for (idx = 0; idx < switches; idx++) {
if ((err = snd_pcm_playback_switch_read(handle, idx, &uswitch)) < 0)
return err;
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
return idx;
}
return -EINVAL;
}
int snd_pcm_playback_switch_read(void *handle, int switchn, snd_pcm_switch_t * data)
int snd_pcm_playback_switch_list(void *handle, snd_switch_list_t * list)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
if (!pcm || !data || switchn < 0)
if (!pcm || !list)
return -EINVAL;
bzero(data, sizeof(snd_pcm_switch_t));
data->switchn = switchn;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PSWITCH_READ, data) < 0)
if (ioctl(pcm->fd, SND_PCM_IOCTL_PSWITCH_LIST, &list) < 0)
return -errno;
return 0;
}
int snd_pcm_playback_switch_write(void *handle, int switchn, snd_pcm_switch_t * data)
int snd_pcm_playback_switch_read(void *handle, snd_switch_t * sw)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
if (!pcm || !data || switchn < 0)
if (!pcm || !sw || sw->name[0] == '\0')
return -EINVAL;
data->switchn = switchn;
if (ioctl(pcm->fd, SND_PCM_IOCTL_PSWITCH_WRITE, data) < 0)
if (ioctl(pcm->fd, SND_PCM_IOCTL_PSWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_pcm_record_switches(void *handle)
{
snd_pcm_t *pcm;
int result;
pcm = (snd_pcm_t *) handle;
if (!pcm)
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RSWITCHES, &result) < 0)
return -errno;
return result;
}
int snd_pcm_record_switch(void *handle, const char *switch_id)
{
snd_pcm_t *pcm;
snd_pcm_switch_t uswitch;
int idx, switches, err;
pcm = (snd_pcm_t *) handle;
if (!pcm || !switch_id)
return -EINVAL;
/* bellow implementation isn't optimized for speed */
/* info about switches should be cached in the snd_mixer_t structure */
if ((switches = snd_pcm_record_switches(handle)) < 0)
return switches;
for (idx = 0; idx < switches; idx++) {
if ((err = snd_pcm_record_switch_read(handle, idx, &uswitch)) < 0)
return err;
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
return idx;
}
return -EINVAL;
}
int snd_pcm_record_switch_read(void *handle, int switchn, snd_pcm_switch_t * data)
int snd_pcm_playback_switch_write(void *handle, snd_switch_t * sw)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
if (!pcm || !data || switchn < 0)
if (!pcm || !sw || sw->name[0] == '\0')
return -EINVAL;
bzero(data, sizeof(snd_pcm_switch_t));
data->switchn = switchn;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RSWITCH_READ, data) < 0)
if (ioctl(pcm->fd, SND_PCM_IOCTL_PSWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
int snd_pcm_record_switch_write(void *handle, int switchn, snd_pcm_switch_t * data)
int snd_pcm_record_switch_list(void *handle, snd_switch_list_t * list)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
if (!pcm || !data || switchn < 0)
if (!pcm || !list)
return -EINVAL;
data->switchn = switchn;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RSWITCH_WRITE, data) < 0)
if (ioctl(pcm->fd, SND_PCM_IOCTL_RSWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_pcm_record_switch_read(void *handle, snd_switch_t * sw)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
if (!pcm || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RSWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_pcm_record_switch_write(void *handle, snd_switch_t * sw)
{
snd_pcm_t *pcm;
pcm = (snd_pcm_t *) handle;
if (!pcm || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(pcm->fd, SND_PCM_IOCTL_RSWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}

140
src/rawmidi/rawmidi.c
View file

@ -127,126 +127,74 @@ int snd_rawmidi_info(void *handle, snd_rawmidi_info_t * info)
return 0;
}
int snd_rawmidi_output_switches(void *handle)
int snd_rawmidi_output_switch_list(void *handle, snd_switch_list_t * list)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !list)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OSWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_rawmidi_output_switch_read(void *handle, snd_switch_t * sw)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OSWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_rawmidi_output_switch_write(void *handle, snd_switch_t * sw)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OSWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
int snd_rawmidi_input_switch_list(void *handle, snd_switch_list_t * list)
{
snd_rawmidi_t *rmidi;
int result;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OSWITCHES, &result) < 0)
return -errno;
return result;
}
int snd_rawmidi_output_switch(void *handle, const char *switch_id)
{
snd_rawmidi_t *rmidi;
snd_rawmidi_switch_t uswitch;
int idx, switches, err;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !switch_id)
return -EINVAL;
/* bellow implementation isn't optimized for speed */
/* info about switches should be cached in the snd_mixer_t structure */
if ((switches = snd_rawmidi_output_switches(handle)) < 0)
return switches;
for (idx = 0; idx < switches; idx++) {
if ((err = snd_rawmidi_output_switch_read(handle, idx, &uswitch)) < 0)
return err;
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
return idx;
}
return -EINVAL;
}
int snd_rawmidi_output_switch_read(void *handle, int switchn, snd_rawmidi_switch_t * data)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !data || switchn < 0)
return -EINVAL;
bzero(data, sizeof(snd_rawmidi_switch_t));
data->switchn = switchn;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OSWITCH_READ, data) < 0)
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_ISWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_rawmidi_output_switch_write(void *handle, int switchn, snd_rawmidi_switch_t * data)
int snd_rawmidi_input_switch_read(void *handle, snd_switch_t * sw)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !data || switchn < 0)
if (!rmidi || !sw || sw->name[0] == '\0')
return -EINVAL;
data->switchn = switchn;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OSWITCH_WRITE, data) < 0)
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_ISWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_rawmidi_input_switches(void *handle)
{
snd_rawmidi_t *rmidi;
int result;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_ISWITCHES, &result) < 0)
return -errno;
return result;
}
int snd_rawmidi_input_switch(void *handle, const char *switch_id)
{
snd_rawmidi_t *rmidi;
snd_rawmidi_switch_t uswitch;
int idx, switches, err;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !switch_id)
return -EINVAL;
/* bellow implementation isn't optimized for speed */
/* info about switches should be cached in the snd_mixer_t structure */
if ((switches = snd_rawmidi_input_switches(handle)) < 0)
return switches;
for (idx = 0; idx < switches; idx++) {
if ((err = snd_rawmidi_input_switch_read(handle, idx, &uswitch)) < 0)
return err;
if (!strncmp(switch_id, uswitch.name, sizeof(uswitch.name)))
return idx;
}
return -EINVAL;
}
int snd_rawmidi_input_switch_read(void *handle, int switchn, snd_rawmidi_switch_t * data)
int snd_rawmidi_input_switch_write(void *handle, snd_switch_t * sw)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !data || switchn < 0)
if (!rmidi || !sw || sw->name[0] == '\0')
return -EINVAL;
bzero(data, sizeof(snd_rawmidi_switch_t));
data->switchn = switchn;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_ISWITCH_READ, data) < 0)
return -errno;
return 0;
}
int snd_rawmidi_input_switch_write(void *handle, int switchn, snd_rawmidi_switch_t * data)
{
snd_rawmidi_t *rmidi;
rmidi = (snd_rawmidi_t *) handle;
if (!rmidi || !data || switchn < 0)
return -EINVAL;
data->switchn = switchn;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_ISWITCH_WRITE, data) < 0)
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_ISWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}

362
test/switches.c
View file

@ -1,36 +1,177 @@
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <errno.h>
#include "../include/asoundlib.h"
static void *ctl_handle;
static int sw_interface;
static int sw_device;
const char *get_type(unsigned int type)
{
switch (type) {
case 0:
case SND_SW_TYPE_BOOLEAN:
return "Boolean";
case 1:
case SND_SW_TYPE_BYTE:
return "Byte";
case 2:
case SND_SW_TYPE_WORD:
return "Word";
case 3:
return "DWord";
case 4:
case SND_SW_TYPE_DWORD:
return "Double Word";
case SND_SW_TYPE_LIST:
return "List";
case SND_SW_TYPE_LIST_ITEM:
return "List Item";
case SND_SW_TYPE_USER:
return "User";
default:
return "Unknown";
}
}
const char *get_interface(void)
{
switch (sw_interface) {
case 0:
return "control";
case 1:
return "mixer";
case 2:
return "PCM playback";
case 3:
return "PCM record";
case 4:
return "rawmidi output";
case 5:
return "rawmidi input";
default:
return "unknown";
}
}
int switch_list(snd_switch_list_t *list)
{
switch (sw_interface) {
case 0:
return snd_ctl_switch_list(ctl_handle, list);
case 1:
return snd_ctl_mixer_switch_list(ctl_handle, sw_device, list);
case 2:
return snd_ctl_pcm_playback_switch_list(ctl_handle, sw_device, list);
case 3:
return snd_ctl_pcm_record_switch_list(ctl_handle, sw_device, list);
case 4:
return snd_ctl_rawmidi_output_switch_list(ctl_handle, sw_device, list);
case 5:
return snd_ctl_rawmidi_input_switch_list(ctl_handle, sw_device, list);
default:
return -ENOLINK;
}
}
int switch_read(snd_switch_t *sw)
{
switch (sw_interface) {
case 0:
return snd_ctl_switch_read(ctl_handle, sw);
case 1:
return snd_ctl_mixer_switch_read(ctl_handle, sw_device, sw);
case 2:
return snd_ctl_pcm_playback_switch_read(ctl_handle, sw_device, sw);
case 3:
return snd_ctl_pcm_record_switch_write(ctl_handle, sw_device, sw);
case 4:
return snd_ctl_rawmidi_output_switch_read(ctl_handle, sw_device, sw);
case 5:
return snd_ctl_rawmidi_input_switch_read(ctl_handle, sw_device, sw);
default:
return -ENOLINK;
}
}
int switch_write(snd_switch_t *sw)
{
switch (sw_interface) {
case 0:
return snd_ctl_switch_write(ctl_handle, sw);
case 1:
return snd_ctl_mixer_switch_write(ctl_handle, sw_device, sw);
case 2:
return snd_ctl_pcm_playback_switch_write(ctl_handle, sw_device, sw);
case 3:
return snd_ctl_pcm_record_switch_write(ctl_handle, sw_device, sw);
case 4:
return snd_ctl_rawmidi_output_switch_write(ctl_handle, sw_device, sw);
case 5:
return snd_ctl_rawmidi_input_switch_write(ctl_handle, sw_device, sw);
default:
return -ENOLINK;
}
}
void print_switch(char *space, char *prefix, snd_switch_t *sw)
{
snd_switch_t sw1;
int low, err;
printf("%s%s : '%s' [%s]\n", space, prefix, sw->name, get_type(sw->type));
if (sw->type == SND_SW_TYPE_LIST) {
for (low = sw->low; low <= sw->high; low++) {
memcpy(&sw1, sw, sizeof(sw1));
sw1.type = SND_SW_TYPE_LIST_ITEM;
sw1.low = sw1.high = low;
if ((err = switch_read(&sw1)) < 0) {
printf("Switch list item read failed for %s interface and device %i: %s\n", get_interface(), sw_device, snd_strerror(err));
continue;
}
printf(" %s%s : '%s' [%s] {%s}\n", space, prefix, sw1.name, get_type(sw1.type), sw1.value.item);
}
}
}
void process(char *space, char *prefix, int interface, int device)
{
snd_switch_list_t list;
snd_switch_t sw;
int err, idx;
sw_interface = interface;
sw_device = device;
bzero(&list, sizeof(list));
if ((err = switch_list(&list)) < 0) {
printf("Switch listing failed for the %s interface and the device %i: %s\n", get_interface(), device, snd_strerror(err));
return;
}
if (list.switches_over <= 0)
return;
list.switches_size = list.switches_over + 16;
list.switches = list.switches_over = 0;
list.pswitches = malloc(sizeof(snd_switch_list_item_t) * list.switches_size);
if (!list.pswitches) {
printf("No enough memory... (%i switches)\n", list.switches_size);
return;
}
if ((err = switch_list(&list)) < 0) {
printf("Second switch listing failed for the %s interface and the device %i: %s\n", get_interface(), device, snd_strerror(err));
return;
}
for (idx = 0; idx < list.switches; idx++) {
bzero(&sw, sizeof(sw));
strncpy(sw.name, list.pswitches[idx].name, sizeof(sw.name));
if ((err = switch_read(&sw)) < 0) {
printf("Switch read failed for the %s interface and the device %i: %s\n", get_interface(), device, snd_strerror(err));
continue;
}
print_switch(space, prefix, &sw);
}
free(list.pswitches);
}
void main(void)
{
int cards, card, device, direction, idx, count, err;
void *handle, *chandle;
struct snd_ctl_hw_info info;
struct snd_ctl_switch ctl_switch;
snd_mixer_switch_t mixer_switch;
snd_pcm_info_t pcm_info;
snd_pcm_switch_t pcm_switch;
snd_rawmidi_switch_t rmidi_switch;
snd_rawmidi_info_t rmidi_info;
int cards, card, err, idx;
snd_ctl_hw_info_t info;
cards = snd_cards();
printf("Detected %i soundcard%s...\n", cards, cards > 1 ? "s" : "");
@ -40,191 +181,22 @@ void main(void)
}
/* control interface */
for (card = 0; card < cards; card++) {
if ((err = snd_ctl_open(&handle, card)) < 0) {
if ((err = snd_ctl_open(&ctl_handle, card)) < 0) {
printf("CTL open error: %s\n", snd_strerror(err));
continue;
}
if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
printf("CTL hw info error: %s\n", snd_strerror(err));
if ((err = snd_ctl_hw_info(ctl_handle, &info)) < 0) {
printf("HWINFO error: %s\n", snd_strerror(err));
continue;
}
if ((count = snd_ctl_switches(handle)) < 0) {
printf("CTL switches error: %s\n", snd_strerror(count));
continue;
printf("CARD %i:\n", card);
process(" ", "Control", 0, 0);
for (idx = 0; idx < info.mixerdevs; idx++)
process(" ", "Mixer", 1, idx);
for (idx = 0; idx < info.pcmdevs; idx++) {
process(" ", "PCM playback", 2, idx);
process(" ", "PCM record", 3, idx);
}
for (idx = 0; idx < count; idx++) {
if ((err = snd_ctl_switch_read(handle, idx, &ctl_switch)) < 0) {
printf("CTL switch read error: %s\n", snd_strerror(count));
continue;
}
printf("CTL switch: '%s' %s (%i-%i)\n", ctl_switch.name, get_type(ctl_switch.type), ctl_switch.low, ctl_switch.high);
if ((err = snd_ctl_switch_write(handle, idx, &ctl_switch)) < 0) {
printf("CTL switch write error: %s\n", snd_strerror(count));
continue;
}
}
if (count <= 0)
printf("No CTL switches detected for soundcard #%i '%s'...\n", idx, info.name);
snd_ctl_close(handle);
snd_ctl_close(ctl_handle);
}
/* mixer interface */
for (card = 0; card < cards; card++) {
if ((err = snd_ctl_open(&handle, card)) < 0) {
printf("CTL open error: %s\n", snd_strerror(err));
continue;
}
if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
printf("CTL hw info error: %s\n", snd_strerror(err));
continue;
}
snd_ctl_close(handle);
for (device = 0; device < info.mixerdevs; device++) {
if ((err = snd_mixer_open(&handle, card, device)) < 0) {
printf("Mixer open error: %s\n", snd_strerror(err));
continue;
}
if ((count = snd_mixer_switches(handle)) < 0) {
printf("Mixer switches error: %s\n", snd_strerror(count));
continue;
}
for (idx = 0; idx < count; idx++) {
if ((err = snd_mixer_switch_read(handle, idx, &mixer_switch)) < 0) {
printf("Mixer switch read error: %s\n", snd_strerror(count));
continue;
}
printf("Mixer switch: '%s' %s (%i-%i)\n", mixer_switch.name, get_type(mixer_switch.type), mixer_switch.low, mixer_switch.high);
if ((err = snd_mixer_switch_write(handle, idx, &mixer_switch)) < 0) {
printf("Mixer switch write error: %s\n", snd_strerror(count));
continue;
}
}
if (count <= 0)
printf("No mixer switches detected for soundcard #%i '%s'...\n", idx, info.name);
snd_mixer_close(handle);
}
}
/* pcm switches */
for (card = 0; card < cards; card++) {
if ((err = snd_ctl_open(&chandle, card)) < 0) {
printf("CTL open error: %s\n", snd_strerror(err));
continue;
}
if ((err = snd_ctl_hw_info(chandle, &info)) < 0) {
printf("CTL hw info error: %s\n", snd_strerror(err));
continue;
}
for (device = 0; device < info.pcmdevs; device++) {
if ((err = snd_ctl_pcm_info(chandle, device, &pcm_info)) < 0) {
printf("CTL PCM info error: %s\n", snd_strerror(err));
continue;
}
for (direction = 0; direction < 2; direction++) {
int (*switches) (void *handle);
int (*switch_read) (void *handle, int switchn, snd_pcm_switch_t * data);
int (*switch_write) (void *handle, int switchn, snd_pcm_switch_t * data);
char *str;
if (!(pcm_info.flags & (!direction ? SND_PCM_INFO_PLAYBACK : SND_PCM_INFO_RECORD)))
continue;
if ((err = snd_pcm_open(&handle, card, device, !direction ? SND_PCM_OPEN_PLAYBACK : SND_PCM_OPEN_RECORD)) < 0) {
printf("PCM open error: %s\n", snd_strerror(err));
continue;
}
if (!direction) {
switches = snd_pcm_playback_switches;
switch_read = snd_pcm_playback_switch_read;
switch_write = snd_pcm_playback_switch_write;
str = "playback";
} else {
switches = snd_pcm_record_switches;
switch_read = snd_pcm_record_switch_read;
switch_write = snd_pcm_record_switch_write;
str = "record";
}
if ((count = switches(handle)) < 0) {
printf("PCM %s switches error: %s\n", str, snd_strerror(count));
continue;
}
for (idx = 0; idx < count; idx++) {
if ((err = switch_read(handle, idx, &pcm_switch)) < 0) {
printf("PCM %s switch read error: %s\n", str, snd_strerror(count));
continue;
}
printf("PCM switch: '%s' %s (%i-%i)\n", pcm_switch.name, get_type(pcm_switch.type), pcm_switch.low, pcm_switch.high);
if ((err = switch_write(handle, idx, &pcm_switch)) < 0) {
printf("PCM %s switch write error: %s\n", str, snd_strerror(count));
continue;
}
}
if (count <= 0)
printf("No PCM %s switches detected for soundcard #%i/#%i '%s'/'%s'...\n", str, idx, device, info.name, pcm_info.name);
snd_pcm_close(handle);
}
}
snd_ctl_close(chandle);
}
/* rawmidi switches */
for (card = 0; card < cards; card++) {
if ((err = snd_ctl_open(&chandle, card)) < 0) {
printf("CTL open error: %s\n", snd_strerror(err));
continue;
}
if ((err = snd_ctl_hw_info(chandle, &info)) < 0) {
printf("CTL hw info error: %s\n", snd_strerror(err));
continue;
}
for (device = 0; device < info.mididevs; device++) {
if ((err = snd_ctl_rawmidi_info(chandle, device, &rmidi_info)) < 0) {
printf("CTL RawMIDI info error: %s\n", snd_strerror(err));
continue;
}
for (direction = 0; direction < 2; direction++) {
int (*switches) (void *handle);
int (*switch_read) (void *handle, int switchn, snd_rawmidi_switch_t * data);
int (*switch_write) (void *handle, int switchn, snd_rawmidi_switch_t * data);
char *str;
if (!(pcm_info.flags & (!direction ? SND_RAWMIDI_INFO_OUTPUT : SND_RAWMIDI_INFO_INPUT)))
continue;
if ((err = snd_rawmidi_open(&handle, card, device, !direction ? SND_RAWMIDI_OPEN_OUTPUT : SND_RAWMIDI_OPEN_INPUT)) < 0) {
printf("RawMIDI CTL open error: %s\n", snd_strerror(err));
continue;
}
if (!direction) {
switches = snd_rawmidi_output_switches;
switch_read = snd_rawmidi_output_switch_read;
switch_write = snd_rawmidi_output_switch_write;
str = "output";
} else {
switches = snd_rawmidi_input_switches;
switch_read = snd_rawmidi_input_switch_read;
switch_write = snd_rawmidi_input_switch_write;
str = "input";
}
if ((count = switches(handle)) < 0) {
printf("RawMIDI %s switches error: %s\n", str, snd_strerror(count));
continue;
}
for (idx = 0; idx < count; idx++) {
if ((err = switch_read(handle, idx, &rmidi_switch)) < 0) {
printf("RawMIDI %s switch read error: %s\n", str, snd_strerror(count));
continue;
}
printf("RawMIDI switch: '%s' %s (%i-%i)\n", rmidi_switch.name, get_type(rmidi_switch.type), rmidi_switch.low, rmidi_switch.high);
if ((err = switch_write(handle, idx, &rmidi_switch)) < 0) {
printf("RawMIDI %s switch write error: %s\n", str, snd_strerror(count));
continue;
}
}
if (count <= 0)
printf("No RawMIDI %s switches detected for soundcard #%i/#%i '%s'/'%s'...\n", str, idx, device, info.name, rmidi_info.name);
snd_rawmidi_close(handle);
}
}
snd_ctl_close(chandle);
}
}