mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-02 09:01:48 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

uniformed alsa-lib interfaces

Browse source
This commit is contained in:
Abramo Bagnara 2000-01-09 22:44:52 +00:00
parent fc0a0352db
commit d2911f9f34
6 changed files with 88 additions and 105 deletions
Download patch file Download diff file Expand all files Collapse all files

58
src/rawmidi/rawmidi.c
View file

@ -122,67 +122,57 @@ int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info)
return 0;
}
int snd_rawmidi_output_params(snd_rawmidi_t *rmidi, snd_rawmidi_output_params_t * params)
int snd_rawmidi_channel_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params)
{
if (!rmidi || !params)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OUTPUT_PARAMS, params) < 0)
return -errno;
return 0;
}
int snd_rawmidi_input_params(snd_rawmidi_t *rmidi, snd_rawmidi_input_params_t * params)
{
if (!rmidi || !params)
if (params->channel < 0 || params->channel > 1)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_INPUT_PARAMS, params) < 0)
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_CHANNEL_PARAMS, params) < 0)
return -errno;
return 0;
}
int snd_rawmidi_output_status(snd_rawmidi_t *rmidi, snd_rawmidi_output_status_t * status)
int snd_rawmidi_output_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status)
{
if (!rmidi || !status)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_OUTPUT_STATUS, status) < 0)
return -errno;
return 0;
}
int snd_rawmidi_input_status(snd_rawmidi_t *rmidi, snd_rawmidi_input_status_t * status)
{
if (!rmidi || !status)
if (status->channel < 0 || status->channel > 1)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_INPUT_STATUS, status) < 0)
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_CHANNEL_STATUS, status) < 0)
return -errno;
return 0;
}
int snd_rawmidi_drain_output(snd_rawmidi_t *rmidi)
int snd_rawmidi_output_drain(snd_rawmidi_t *rmidi)
{
int chn = SND_RAWMIDI_CHANNEL_OUTPUT;
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_CHANNEL_DRAIN, &chn) < 0)
return -errno;
return 0;
}
int snd_rawmidi_channel_flush(snd_rawmidi_t *rmidi, int chn)
{
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_DRAIN_OUTPUT) < 0)
if (chn < 0 || chn > 1)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_CHANNEL_FLUSH) < 0)
return -errno;
return 0;
}
int snd_rawmidi_flush_output(snd_rawmidi_t *rmidi)
int snd_rawmidi_output_flush(snd_rawmidi_t *rmidi)
{
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_FLUSH_OUTPUT) < 0)
return -errno;
return 0;
return snd_rawmidi_channel_flush(rmidi, SND_RAWMIDI_CHANNEL_OUTPUT);
}
int snd_rawmidi_flush_input(snd_rawmidi_t *rmidi)
int snd_rawmidi_input_flush(snd_rawmidi_t *rmidi)
{
if (!rmidi)
return -EINVAL;
if (ioctl(rmidi->fd, SND_RAWMIDI_IOCTL_FLUSH_INPUT) < 0)
return -errno;
return 0;
return snd_rawmidi_channel_flush(rmidi, SND_RAWMIDI_CHANNEL_INPUT);
}
ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size)