mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2026-02-26 01:40:07 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

ump: Add initial support

Browse source 
This patch adds the initial support for UMP rawmidi access.
It's merely the wrapper for the standard rawmidi to access to the UMP
rawmidi device.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2022-11-29 16:02:25 +01:00
parent 6627953de0
commit f47763d2c1
10 changed files with 769 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/rawmidi/rawmidi_hw.c
View file

@ -35,6 +35,7 @@ const char *_snd_module_rawmidi_hw = "";
#endif
#define SNDRV_FILE_RAWMIDI ALSA_DEVICE_DIRECTORY "midiC%iD%i"
#define SNDRV_FILE_UMP_RAWMIDI ALSA_DEVICE_DIRECTORY "umpC%iD%i"
#define SNDRV_RAWMIDI_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
#ifndef DOC_HIDDEN
@ -321,8 +322,12 @@ int snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
snd_rawmidi_t *rmidi;
snd_rawmidi_hw_t *hw = NULL;
snd_rawmidi_info_t info;
int is_ump;
int fmode;
is_ump = !!(mode & _SND_RAWMIDI_OPEN_UMP);
mode &= ~_SND_RAWMIDI_OPEN_UMP;
if (inputp)
*inputp = NULL;
if (outputp)
@ -332,7 +337,10 @@ int snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
if ((ret = snd_ctl_hw_open(&ctl, NULL, card, 0)) < 0)
return ret;
sprintf(filename, SNDRV_FILE_RAWMIDI, card, device);
if (is_ump)
sprintf(filename, SNDRV_FILE_UMP_RAWMIDI, card, device);
else
sprintf(filename, SNDRV_FILE_RAWMIDI, card, device);
__again:
if (attempt++ > 3) {