1 files changed, 61 insertions, 0 deletions
diff --git a/server/mixer.h b/server/mixer.h
new file mode 100644
index 0000000..5d9c666
--- /dev/null
+++ b/server/mixer.h
@@ -0,0 +1,61 @@
+/*
+ *  dolmetschctl
+ *
+ *
+ *  Copyright (C) 2015 Christian Pointner <equinox@spreadspace.org>
+ *
+ *  This file is part of dolmetschctl.
+ *
+ *  dolmetschctl is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  dolmetschctl is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with dolmetschctl. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DOLMETSCHCTL_mixer_h_INCLUDED
+#define DOLMETSCHCTL_mixer_h_INCLUDED
+
+#include <alsa/asoundlib.h>
+#include <poll.h>
+
+#include "slist.h"
+
+typedef u_int8_t midi_cmd_t[3];
+
+typedef struct {
+  char* name_;
+  slist_t cmds_;
+} lang_t;
+
+typedef struct {
+  u_int8_t* buf_;
+  int len_;
+  int write_idx_;
+  void (*done_cb_)(void*);
+  void* done_data_;
+} task_t;
+
+typedef struct {
+  const char* name_;
+  snd_rawmidi_t* output_;
+  slist_t langs_;
+  slist_t tasks_;
+} mixer_t;
+
+int mixer_init(mixer_t* x, const char* name, const char* device);
+void mixer_print_langs(mixer_t* x);
+int mixer_switch_lang(mixer_t* x, const char* lang, void (*done_cb)(void*), void* done_data);
+void mixer_print_tasks(mixer_t* x);
+int mixer_get_poll_fd_count(mixer_t* x);
+int mixer_get_poll_fds(mixer_t* x, struct pollfd *pfds, int npfds);
+int mixer_handle_revents(mixer_t* x, struct pollfd *pfds, int npfds);
+
+#endif