ardour/livetrax
13
0
Fork 0
Code

correctly detect missing ALSA MIDI system

Browse Source 
git-svn-id: svn://localhost/ardour2/trunk@1369 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2007-01-22 14:14:11 +00:00
parent 9d4476dbb9
commit d38944becd
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libs/midi++2/alsa_sequencer_midiport.cc
View File

@ -22,6 +22,7 @@
#include <cerrno>
#include <pbd/failed_constructor.h>
#include <pbd/error.h>
#include <midi++/types.h>
#include <midi++/alsa_sequencer.h>
@ -39,6 +40,7 @@
using namespace std;
using namespace MIDI;
using namespace PBD;
snd_seq_t* ALSA_SequencerMidiPort::seq = 0;
@ -186,12 +188,20 @@ ALSA_SequencerMidiPort::CreatePorts (PortRequest &req)
int
ALSA_SequencerMidiPort::init_client (std::string name)
{
int err;
static bool called = false;
if (0 <= (err = snd_seq_open (&seq, "default", SND_SEQ_OPEN_DUPLEX, 0))) {
if (called) {
return -1;
}
called = true;
if (snd_seq_open (&seq, "default", SND_SEQ_OPEN_DUPLEX, 0) >= 0) {
snd_seq_set_client_name (seq, name.c_str());
return 0;
} else {
return -err;
warning << "The ALSA MIDI system is not available. No ports based on it will be created"
<< endmsg;
return -1;
}
}