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-rw-r--r--bindings/audio/audio-alsa.h56
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diff --git a/bindings/audio/audio-alsa.h b/bindings/audio/audio-alsa.h
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+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Manuel Bachmann"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AUDIO_ALSA_H
+#define AUDIO_ALSA_H
+
+#include <pthread.h>
+#include <alsa/asoundlib.h>
+
+#include "audio-api.h"
+
+#define AUDIO_BUFFER "/tmp/audio_buf"
+
+typedef struct dev_ctx_alsa dev_ctx_alsa_T;
+
+struct dev_ctx_alsa {
+ char *name;
+ snd_pcm_t *dev;
+ snd_pcm_hw_params_t *params;
+ snd_mixer_elem_t *mixer_elm;
+ snd_mixer_elem_t *mixer_elm_m;
+ long vol_max;
+ long vol;
+ pthread_t thr;
+ unsigned char thr_should_run;
+ unsigned char thr_finished;
+};
+
+unsigned char _alsa_init (const char *, audioCtxHandleT *);
+void _alsa_free (const char *);
+void _alsa_play (int);
+void _alsa_stop (int);
+unsigned int _alsa_get_volume (int, unsigned int);
+void _alsa_set_volume (int, unsigned int, unsigned int);
+void _alsa_set_volume_all (int, unsigned int);
+unsigned char _alsa_get_mute (int);
+void _alsa_set_mute (int, unsigned char);
+void _alsa_set_channels (int, unsigned int);
+
+void* _alsa_play_thread_fn (void *);
+
+#endif /* AUDIO_ALSA_H */