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Speculative tweak to offer non-duplex as well as full-duplex ALSA cards in the engine dialogue. Should fix #3327.

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git-svn-id: svn://localhost/ardour2/branches/3.0@7447 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-07-20 00:57:43 +00:00
parent e2b5f355fb
commit 9a6042dbc8
1 changed files with 0 additions and 17 deletions
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17
gtk2_ardour/engine_dialog.cc
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@ -771,28 +771,11 @@ EngineControl::enumerate_alsa_devices ()
while (snd_ctl_pcm_next_device (handle, &device) >= 0 && device >= 0) { while (snd_ctl_pcm_next_device (handle, &device) >= 0 && device >= 0) {
bool have_playback = false;
bool have_capture = false;
/* find duplex devices only */
snd_pcm_info_set_device (pcminfo, device);
snd_pcm_info_set_subdevice (pcminfo, 0);
snd_pcm_info_set_stream (pcminfo, SND_PCM_STREAM_CAPTURE);
if (snd_ctl_pcm_info (handle, pcminfo) >= 0) {
have_capture = true;
}
snd_pcm_info_set_device (pcminfo, device); snd_pcm_info_set_device (pcminfo, device);
snd_pcm_info_set_subdevice (pcminfo, 0); snd_pcm_info_set_subdevice (pcminfo, 0);
snd_pcm_info_set_stream (pcminfo, SND_PCM_STREAM_PLAYBACK); snd_pcm_info_set_stream (pcminfo, SND_PCM_STREAM_PLAYBACK);
if (snd_ctl_pcm_info (handle, pcminfo) >= 0) { if (snd_ctl_pcm_info (handle, pcminfo) >= 0) {
have_playback = true;
}
if (have_capture && have_playback) {
devs.push_back (snd_pcm_info_get_name (pcminfo)); devs.push_back (snd_pcm_info_get_name (pcminfo));
devname += ','; devname += ',';
devname += to_string (device, std::dec); devname += to_string (device, std::dec);