* Copyright (C) 2015 "IoT.bzh"
* Author "Manuel Bachmann"
*
- * This program 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
- * (at your option) any later version.
+ * 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
*
- * This program 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.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * 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.
*/
#define _GNU_SOURCE
#include <stdlib.h>
+#include <json-c/json.h>
#include "audio-api.h"
#include "audio-alsa.h"
+#ifdef HAVE_PULSE
+#include "audio-pulse.h"
+#endif
#include "afb-plugin.h"
#include "afb-req-itf.h"
/* ------ BACKEND FUNCTIONS ------- */
-void _backend_init (const char *name, audioCtxHandleT *ctx) {
+unsigned char _backend_init (const char *name, audioCtxHandleT *ctx) {
char *backend_env = getenv ("AFB_AUDIO_OUTPUT");
unsigned char res = 0;
#endif
res = _alsa_init (name, ctx);
- if (!res && verbose)
+ if (!res)
fprintf (stderr, "Could not initialize Audio backend\n");
+
+ return res;
}
void _backend_free (audioCtxHandleT *ctx) {
/* ------ LOCAL HELPER FUNCTIONS --------- */
-/* private client context creation ; default values */
-STATIC audioCtxHandleT* initAudioCtx () {
+/* private client context constructor ; default values */
+static audioCtxHandleT* initAudioCtx () {
audioCtxHandleT *ctx;
int i;
ctx = malloc (sizeof(audioCtxHandleT));
ctx->audio_dev = NULL;
+ ctx->name = NULL;
ctx->idx = -1;
for (i = 0; i < 8; i++)
ctx->volume[i] = 25;
return ctx;
}
-STATIC AFB_error releaseAudio (audioCtxHandleT *ctx) {
+static void releaseAudioCtx (void *context) {
+
+ audioCtxHandleT *ctx = (audioCtxHandleT*) context;
/* power it off */
_backend_free (ctx);
/* clean client context */
+ ctx->audio_dev = NULL;
+ if (ctx->name)
+ free (ctx->name);
ctx->idx = -1;
-
- return AFB_SUCCESS;
-}
-
-/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC void freeAudio (void *context) {
- free (context);
+ free (ctx);
}
/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-STATIC void init (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
json_object *jresp;
/* create a private client context */
- if (!request.context)
- request.context = initAudioCtx();
+ if (!ctx) {
+ ctx = initAudioCtx();
+ afb_req_context_set (request, ctx, releaseAudioCtx);
+ }
- _backend_init("default", request.context);
+ if (!_backend_init ("default", ctx)) {
+ afb_req_fail (request, "failed", "backend initialization failed");
+ }
jresp = json_object_new_object();
- json_object_object_add (jresp, "info", json_object_new_string ("Audio initialized"));
-
- afb_req_success (request, jresp, "Audio initiliazed");
+ json_object_object_add (jresp, "init", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Audio initialized");
}
-STATIC void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp;
unsigned int volume[8], i;
char *volume_i;
if (100 < volume[0]) {
free (volume_i);
- //request.errcode = MHD_HTTP_SERVICE_UNAVAILABLE;
- afb_req_fail (request, "Failed", "Volume must be between 0 and 100");
+ afb_req_fail (request, "failed", "volume must be between 0 and 100");
return;
}
ctx->volume[0] = volume[0];
afb_req_success (request, jresp, "Audio - Volume changed");
}
-STATIC void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp = json_object_new_object();
char channels_str[256];
afb_req_success (request, jresp, "Audio - Channels set");
}
-STATIC void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
afb_req_success (request, jresp, "Audio - Mute set");
}
-STATIC void play (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
afb_req_success (request, jresp, "Audio - Play");
}
-STATIC void ping (struct afb_req request) { /* AFB_SESSION_NONE */
+static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
afb_req_success (request, NULL, "Audio - Ping success");
}
-STATIC const struct AFB_restapi pluginApis[]= {
+static const struct AFB_restapi pluginApis[]= {
{"init" , AFB_SESSION_CHECK, init , "Audio API - init"},
{"volume" , AFB_SESSION_CHECK, volume , "Audio API - volume"},
{"channels", AFB_SESSION_CHECK, channels , "Audio API - channels"},
{NULL}
};
-STATIC const struct AFB_plugin plug_desc = {
+static const struct AFB_plugin pluginDesc = {
.type = AFB_PLUGIN_JSON,
.info = "Application Framework Binder - Audio plugin",
.prefix = "audio",
.apis = pluginApis
};
+
+const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
+{
+ return &pluginDesc;
+}
Code Review / src / app-framework-binder.git / blobdiff