+ /* no "?value=" parameter : return current state */
+ if (!value) {
+ for (i = 0; i < 8; i++) {
+ ctx->volume[i] = _backend_get_volume (ctx, i);
+ snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
+ len_str = strlen (volume_str);
+ }
+ json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
+ afb_req_success (request, jresp, "Audio - Volume obtained");
+ return;
+ }
+
+ /* "?value=" parameter, set volume */
+ else {
+ volume_i = strdup (value);
+ volume_i = strtok (volume_i, ",");
+ volume[0] = (unsigned int) atoi (volume_i);
+
+ if (100 < volume[0]) {
+ free (volume_i);
+ afb_req_fail (request, "failed", "volume must be between 0 and 100");
+ return;
+ }
+ ctx->volume[0] = volume[0];
+ _backend_set_volume (ctx, 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)
+ _backend_set_volume_all (ctx, ctx->volume[0]);
+ if (!volume_i || 100 < atoi(volume_i) || atoi(volume_i) < 0)
+ ctx->volume[i] = _backend_get_volume (ctx, i);
+ else {
+ ctx->volume[i] = (unsigned int) atoi(volume_i);
+ _backend_set_volume (ctx, i, ctx->volume[i]);
+ }
+ len_str = strlen(volume_str);
+ snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
+ }
+ free (volume_i);
+ json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
+ }
+
+ afb_req_success (request, jresp, "Audio - Volume changed");
+}
+
+static void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
+
+ audioCtxHandleT *ctx = afb_req_context_get (request);
+ const char *value = afb_req_value (request, "value");
+ json_object *jresp;
+ char channels_str[256];
+
+ if (!ctx) {
+ afb_req_fail (request, "failed", "you must call 'init' first");
+ return;
+ }
+ jresp = json_object_new_object();
+
+ /* 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));
+ afb_req_success (request, jresp, "Audio - Channels obtained");
+ return;
+ }
+
+ /* "?value=" parameter, set channels */
+ else {
+ ctx->channels = (unsigned int) atoi (value);
+ _backend_set_channels (ctx, ctx->channels);
+ snprintf (channels_str, sizeof(channels_str), "%d", ctx->channels);
+
+ jresp = json_object_new_object();
+ json_object_object_add (jresp, "channels", json_object_new_string (channels_str));
+ }
+
+ afb_req_success (request, jresp, "Audio - Channels set");
+}
+
+static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
+
+ audioCtxHandleT *ctx = afb_req_context_get (request);
+ const char *value = afb_req_value (request, "value");
+ json_object *jresp;
+
+ if (!ctx) {
+ afb_req_fail (request, "failed", "you must call 'init' first");
+ return;
+ }
+ jresp = json_object_new_object();
+
+ /* no "?value=" parameter : return current state */
+ if (!value) {
+ ctx->mute = _backend_get_mute (ctx);
+ ctx->mute ?
+ json_object_object_add (jresp, "mute", json_object_new_string ("on"))
+ : json_object_object_add (jresp, "mute", json_object_new_string ("off"));
+ afb_req_success (request, jresp, "Audio - Mute status obtained");
+ return;
+ }
+
+ /* "?value=" parameter is "1" or "true" */
+ else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
+ ctx->mute = 1;
+ _backend_set_mute (ctx, 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;
+ _backend_set_mute (ctx, ctx->mute);
+ json_object_object_add (jresp, "mute", json_object_new_string ("off"));
+ }
+
+ afb_req_success (request, jresp, "Audio - Mute set");
+}
+
+static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
+
+ audioCtxHandleT *ctx = afb_req_context_get (request);
+ const char *value = afb_req_value (request, "value");
+ json_object *jresp;
+
+ if (!ctx) {
+ afb_req_fail (request, "failed", "you must call 'init' first");
+ return;
+ }
+ 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"));
+ afb_req_success (request, jresp, "Audio - Playing status obtained");
+ return;
+ }
+
+ /* "?value=" parameter is "1" or "true" */
+ else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
+ ctx->is_playing = 1;
+ _backend_play (ctx);
+ 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;
+ _backend_stop (ctx);
+ json_object_object_add (jresp, "play", json_object_new_string ("off"));
+ }
+
+ afb_req_success (request, jresp, "Audio - Play");
+}
+
+static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
+ afb_req_success (request, NULL, "Audio - Ping success");
+}
+
+static const struct AFB_verb_desc_v1 verbs[] = {
+ {"init" , AFB_SESSION_CHECK, init , "Audio API - init"},
+ {"volume" , AFB_SESSION_CHECK, volume , "Audio API - volume"},
+ {"channels", AFB_SESSION_CHECK, channels , "Audio API - channels"},
+ {"mute" , AFB_SESSION_CHECK, mute , "Audio API - mute"},
+ {"play" , AFB_SESSION_CHECK, play , "Audio API - play"},
+ {"ping" , AFB_SESSION_NONE, ping , "Audio API - ping"},