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New universal switch v2.0 interface.

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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
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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;
}