mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-05 13:30:00 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Added functions:

Browse source 
snd_ctl_rawmidi_prefer_subdevice
	snd_rawmidi_open_subdevice
Fixed functions:
	snd_pcm_hw_open - fixed prefer subdevice code
This commit is contained in:
Jaroslav Kysela 2000-10-30 12:15:18 +00:00
parent 8a625fd63b
commit 0e561770c6
10 changed files with 93 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/control/control.c
View file

@ -104,6 +104,12 @@ int snd_ctl_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info)
return ctl->ops->rawmidi_info(ctl, info);
}
int snd_ctl_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev)
{
assert(ctl);
return ctl->ops->rawmidi_prefer_subdevice(ctl, subdev);
}
int snd_ctl_read1(snd_ctl_t *ctl, snd_ctl_event_t *event)
{
assert(ctl && event);

9
src/control/control_hw.c
View file

@ -126,6 +126,14 @@ static int snd_ctl_hw_rawmidi_info(snd_ctl_t *handle, snd_rawmidi_info_t * info)
return 0;
}
static int snd_ctl_hw_rawmidi_prefer_subdevice(snd_ctl_t *handle, int subdev)
{
snd_ctl_hw_t *hw = handle->private;
if (ioctl(hw->fd, SND_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE, &subdev) < 0)
return -errno;
return 0;
}
static int snd_ctl_hw_read(snd_ctl_t *handle, snd_ctl_event_t *event)
{
snd_ctl_hw_t *hw = handle->private;
@ -144,6 +152,7 @@ struct snd_ctl_ops snd_ctl_hw_ops = {
pcm_info: snd_ctl_hw_pcm_info,
pcm_prefer_subdevice: snd_ctl_hw_pcm_prefer_subdevice,
rawmidi_info: snd_ctl_hw_rawmidi_info,
rawmidi_prefer_subdevice: snd_ctl_hw_rawmidi_prefer_subdevice,
read: snd_ctl_hw_read,
};

1
src/control/control_local.h
View file

@ -35,6 +35,7 @@ struct snd_ctl_ops {
int (*pcm_info)(snd_ctl_t *handle, snd_pcm_info_t * info);
int (*pcm_prefer_subdevice)(snd_ctl_t *handle, int subdev);
int (*rawmidi_info)(snd_ctl_t *handle, snd_rawmidi_info_t * info);
int (*rawmidi_prefer_subdevice)(snd_ctl_t *handle, int subdev);
int (*read)(snd_ctl_t *handle, snd_ctl_event_t *event);
};

14
src/control/control_shm.c
View file

@ -239,6 +239,19 @@ static int snd_ctl_shm_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info)
return err;
}
static int snd_ctl_shm_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev)
{
snd_ctl_shm_t *shm = ctl->private;
snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
int err;
ctrl->u.rawmidi_prefer_subdevice = subdev;
ctrl->cmd = SND_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE;
err = snd_ctl_shm_action(ctl);
if (err < 0)
return err;
return err;
}
static int snd_ctl_shm_read(snd_ctl_t *ctl, snd_ctl_event_t *event)
{
snd_ctl_shm_t *shm = ctl->private;
@ -265,6 +278,7 @@ struct snd_ctl_ops snd_ctl_shm_ops = {
pcm_info: snd_ctl_shm_pcm_info,
pcm_prefer_subdevice: snd_ctl_shm_pcm_prefer_subdevice,
rawmidi_info: snd_ctl_shm_rawmidi_info,
rawmidi_prefer_subdevice: snd_ctl_shm_rawmidi_prefer_subdevice,
read: snd_ctl_shm_read,
};