1 files changed, 91 insertions, 0 deletions
diff --git a/Alsa-Plugin/_Alsa-Hal-plugin/AlsaHalPlug.h b/Alsa-Plugin/_Alsa-Hal-plugin/AlsaHalPlug.h
new file mode 100644
index 0000000..bb2dd79
--- /dev/null
+++ b/Alsa-Plugin/_Alsa-Hal-plugin/AlsaHalPlug.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * 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.
+ * 
+ * AfbCallBack (snd_ctl_hal_t *handle, int numid, void **response);
+ *  AfbHalInit is mandatory and called with numid=0
+ * 
+ * Syntaxe in .asoundrc file
+ *   CrlLabel    { cb MyFunctionName name "My_Second_Control" }
+ */
+
+
+#include <alsa/asoundlib.h>
+#include <alsa/control_external.h>
+#include <linux/soundcard.h>
+
+#ifndef SOUND_HAL_MAX_CTLS
+#define SOUND_HAL_MAX_CTLS 255
+#endif
+
+typedef enum {
+    CTLCB_INIT,
+    CTLCB_CLOSE,
+    CTLCB_ELEM_COUNT,
+    CTLCB_ELEM_LIST,
+    CTLCB_FIND_ELEM,
+    CTLCB_FREE_KEY,
+    CTLCB_GET_ATTRIBUTE,
+    CTLCB_GET_INTEGER_INFO,
+    CTLCB_GET_INTEGER64_INFO,
+    CTLCB_GET_ENUMERATED_INFO,
+    CTLCB_GET_ENUMERATED_NAME,
+    CTLCB_READ_INTEGER,
+    CTLCB_READ_INTEGER64,
+    CTLCB_READ_ENUMERATED,
+    CTLCB_READ_BYTES,
+    CTLCB_READ_IEC958,
+    CTLCB_WRITE_INTEGER,
+    CTLCB_WRITE_INTEGER64,
+    CTLCB_WRITE_ENUMERATED,
+    CTLCB_WRITE_BYTES,
+    CTLCB_WRITE_IEC958,
+    CTLCB_SUBSCRIBE_EVENTS,
+    CTLCB_READ_EVENT,
+    CTLCB_POLL_DESCRIPTORS_COUNT,
+    CTLCB_POLL_DESCRIPTORS
+} snd_ctl_action_t;
+
+typedef struct {
+    int ctlNumid;
+    const char *ctlName;
+} snd_ctl_conf_t;
+
+typedef struct {
+    int type;
+    int acc;
+    unsigned count;
+} snd_ctl_get_attrib_t;
+
+typedef struct {
+    int imin;
+    int imax;
+    int istep;
+} snd_ctl_get_int_info_t;
+
+typedef int(*snd_ctl_cb_t)(void *handle, snd_ctl_action_t action, snd_ctl_ext_key_t key, void *response);
+
+typedef struct snd_ctl_hal {
+    snd_ctl_ext_t ext;
+    char *devid;
+    snd_ctl_t *ctlDev;
+    unsigned int ctlsCount;
+    void *dlHandle;
+    snd_ctl_conf_t ctls[SOUND_HAL_MAX_CTLS];
+    snd_ctl_elem_info_t *infos[SOUND_HAL_MAX_CTLS];
+    snd_ctl_cb_t cbs[SOUND_HAL_MAX_CTLS];
+} snd_ctl_hal_t;
+
+