X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=plugins%2Faudio%2Faudio-api.c;h=915f8c6e1b03238bb806177134405226f500289b;hb=6f2913ab5e366e8f3df12a7df11a85b7b6574e2c;hp=9d4f3cb6c39cfa4ee1cf6d75208cb5f137ee406c;hpb=e2d857c5f05f84de8e2642ff9272a80ea9e5fed6;p=src%2Fapp-framework-binder.git

diff --git a/plugins/audio/audio-api.c b/plugins/audio/audio-api.c
index 9d4f3cb6..915f8c6e 100644
--- a/plugins/audio/audio-api.c
+++ b/plugins/audio/audio-api.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2015 "IoT.bzh"
- * Author "Fulup Ar Foll"
+ * 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
@@ -16,36 +16,246 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "audio-api.h"
+#include "audio-alsa.h"
 
-#include "local-def.h"
 
-STATIC json_object* wrongApi (AFB_request *request, void* handle) {
-    int zero=0;
-    int bug=1234;
-    int impossible;
+/* ------ LOCAL HELPER FUNCTIONS --------- */
+
+/* private client context creation ; default values */
+STATIC audioCtxHandleT* initAudioCtx () {
+
+    audioCtxHandleT *ctx;
+    int i;
+
+    ctx = malloc (sizeof(audioCtxHandleT));
+    ctx->idx = -1;
+    for (i = 0; i < 8; i++)
+        ctx->volume[i] = 25;
+    ctx->channels = 2;
+    ctx->mute = 0;
+    ctx->is_playing = 0;
+
+    return ctx;
+}
+
+STATIC AFB_error releaseAudio (audioCtxHandleT *ctx) {
+
+    /* power it off */
+    _alsa_free (ctx->idx);
+
+    /* clean client context */
+    ctx->idx = -1;
+
+    return AFB_SUCCESS;
+}
+
+/* called when client session dies [e.g. client quits for more than 15mns] */
+STATIC json_object* freeAudio (AFB_clientCtx *client) {
+
+    releaseAudio (client->ctx);
+    free (client->ctx);
+    
+    return jsonNewMessage (AFB_SUCCESS, "Released radio and client context");
+}
+
+
+/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
+
+STATIC json_object* init (AFB_request *request) {       /* AFB_SESSION_CREATE */
+
+    audioCtxHandleT *ctx;
+    json_object *jresp;
+    int idx;
+
+    /* create a private client context */
+    ctx = initAudioCtx();
+    request->client->ctx = (audioCtxHandleT*)ctx;
+    
+    _alsa_init("default", ctx);
     
-    impossible=bug/zero;
+    jresp = json_object_new_object();
+    json_object_object_add (jresp, "token", json_object_new_string (request->client->token));
+    return jresp;
+}
+
+STATIC json_object* volume (AFB_request *request) {      /* AFB_SESSION_CHECK */
+
+    audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+    const char *value = getQueryValue (request, "value");
+    json_object *jresp;
+    int volume[8], i;
+    char *volume_i;
+    char volume_str[256];
+    int len_str = 0;
+
+    /* no "?value=" parameter : return current state */
+    if (!value) {
+        for (i = 0; i < 8; i++) {
+            ctx->volume[i] = _alsa_get_volume (ctx->idx, i);
+            snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
+            len_str = strlen(volume_str);
+        }
+        jresp = json_object_new_object();
+        json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
+    }
+
+    /* "?value=" parameter, set volume */
+    else {
+        volume_i = strdup (value);
+        volume_i = strtok (volume_i, ",");
+        volume[0] = atoi (volume_i);
+
+        if (100 < volume[0] < 0) {
+            free (volume_i);
+            request->errcode = MHD_HTTP_SERVICE_UNAVAILABLE;
+            return (jsonNewMessage (AFB_FAIL, "Volume must be between 0 and 100"));
+        }
+        ctx->volume[0] = volume[0];
+        _alsa_set_volume (ctx->idx, 0, ctx->volume[0]);
+        snprintf (volume_str, sizeof(volume_str), "%d,", ctx->volume[0]);
+
+        for (i = 1; i < 8; i++) {
+            volume_i = strtok (NULL, ",");
+            /* if there is only one value, set all channels to this one */
+            if (!volume_i && i == 1)
+               _alsa_set_volume_all (ctx->idx, ctx->volume[0]);
+            if (!volume_i || 100 < atoi(volume_i) < 0) {
+               ctx->volume[i] = _alsa_get_volume (ctx->idx, i);
+            } else {
+               ctx->volume[i] = atoi(volume_i);
+               _alsa_set_volume (ctx->idx, i, ctx->volume[i]);
+            }
+            len_str = strlen(volume_str);
+            snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
+        }
+        jresp = json_object_new_object();
+        json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
+    }
+
+    return jresp;
 }
 
+STATIC json_object* channels (AFB_request *request) {    /* AFB_SESSION_CHECK */
 
+    audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+    const char *value = getQueryValue (request, "value");
+    json_object *jresp = json_object_new_object();
+    char channels_str[256];
 
-STATIC struct {
-    void * somedata;
-} handle;
+    /* no "?value=" parameter : return current state */
+    if (!value) {
+        snprintf (channels_str, sizeof(channels_str), "%d", ctx->channels);
+        json_object_object_add (jresp, "channels", json_object_new_string (channels_str));
+    }
 
+    /* "?value=" parameter, set channels */
+    else {
+        ctx->channels = atoi (value);
+        _alsa_set_channels (ctx->idx, ctx->channels);
 
-STATIC  AFB_restapi pluginApis[]= {
-  {"ping"     , AFB_SESSION_NONE, (AFB_apiCB)apiPingTest,"Ping Application Framework"},
-  {"error"    , AFB_SESSION_NONE, (AFB_apiCB)wrongApi   , "Ping Application Framework"},
+        snprintf (channels_str, sizeof(channels_str), "%d", ctx->channels);
+        json_object_object_add (jresp, "channels", json_object_new_string (channels_str));
+    }
 
+    return jresp;
+}
+
+STATIC json_object* mute (AFB_request *request) {        /* AFB_SESSION_CHECK */
+
+    audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+    const char *value = getQueryValue (request, "value");
+    json_object *jresp = json_object_new_object();
+
+    /* no "?value=" parameter : return current state */
+    if (!value) {
+        ctx->mute = _alsa_get_mute (ctx->idx);
+        ctx->mute ?
+            json_object_object_add (jresp, "mute", json_object_new_string ("on"))
+          : json_object_object_add (jresp, "mute", json_object_new_string ("off"));
+    }
+
+    /* "?value=" parameter is "1" or "true" */
+    else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
+        ctx->mute = 1;
+        _alsa_set_mute (ctx->idx, ctx->mute);
+
+        json_object_object_add (jresp, "mute", json_object_new_string ("on"));
+    }
+
+    /* "?value=" parameter is "0" or "false" */
+    else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
+        ctx->mute = 0;
+        _alsa_set_mute (ctx->idx, ctx->mute);
+
+        json_object_object_add (jresp, "mute", json_object_new_string ("off"));
+    }
+
+    return jresp;
+}
+
+STATIC json_object* play (AFB_request *request) {        /* AFB_SESSION_CHECK */
+
+    audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+    const char *value = getQueryValue (request, "value");
+    json_object *jresp = json_object_new_object();
+
+    /* no "?value=" parameter : return current state */
+    if (!value) {
+        ctx->is_playing ?
+            json_object_object_add (jresp, "play", json_object_new_string ("on"))
+          : json_object_object_add (jresp, "play", json_object_new_string ("off"));
+    }
+
+    /* "?value=" parameter is "1" or "true" */
+    else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
+        ctx->is_playing = 1;
+        _alsa_play (ctx->idx);
+
+        json_object_object_add (jresp, "play", json_object_new_string ("on"));
+    }
+
+    /* "?value=" parameter is "0" or "false" */
+    else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
+        ctx->is_playing = 0;
+        _alsa_stop (ctx->idx);
+
+        json_object_object_add (jresp, "play", json_object_new_string ("off"));
+    }
+
+    return jresp;
+}
+
+STATIC json_object* refresh (AFB_request *request) {     /* AFB_SESSION_RENEW */
+    json_object *jresp = json_object_new_object();
+    json_object_object_add(jresp, "token", json_object_new_string (request->client->token));
+    return jresp;
+}
+
+STATIC json_object* ping (AFB_request *request) {         /* AFB_SESSION_NONE */
+    return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Radio API");
+}
+
+
+STATIC AFB_restapi pluginApis[]= {
+  {"init"    , AFB_SESSION_CREATE, (AFB_apiCB)init      , "Audio API - init"},
+  {"volume"  , AFB_SESSION_CHECK,  (AFB_apiCB)volume    , "Audio API - volume"},
+  {"channels", AFB_SESSION_CHECK,  (AFB_apiCB)channels  , "Audio API - channels"},
+  {"mute"    , AFB_SESSION_CHECK,  (AFB_apiCB)mute      , "Audio API - mute"},
+  {"play"    , AFB_SESSION_CHECK,  (AFB_apiCB)play      , "Audio API - play"},
+  {"refresh" , AFB_SESSION_RENEW,  (AFB_apiCB)refresh   , "Audio API - refresh"},
+  {"ping"    , AFB_SESSION_NONE,   (AFB_apiCB)ping      , "Audio API - ping"},
   {NULL}
 };
 
-PUBLIC AFB_plugin *alsaRegister () {
-    AFB_plugin *plugin = malloc (sizeof (AFB_plugin));
-    plugin->type  = AFB_PLUGIN_JSON;
-    plugin->info  = "Application Framework Binder Service";
-    plugin->prefix= "alsa";        
-    plugin->apis  = pluginApis;
+PUBLIC AFB_plugin *pluginRegister () {
+    AFB_plugin *plugin = malloc (sizeof(AFB_plugin));
+    plugin->type   = AFB_PLUGIN_JSON;
+    plugin->info   = "Application Framework Binder - Audio plugin";
+    plugin->prefix = "audio";        
+    plugin->apis   = pluginApis;
+
+    plugin->freeCtxCB = freeAudio;
+
     return (plugin);
-};
\ No newline at end of file
+};