meta-agl - meta-agl layer (core AGL)

Age	Commit message (Expand)	Author	Files	Lines
2021-08-23	Convert to new override syntax	Scott Murray	1	-2/+2
2020-12-17	SPEC-3723: restructure meta-agl	Jan-Simon Moeller	1	-0/+5

/* * 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. * * 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "audio-api.h" #include "audio-alsa.h" /* ------ 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 void freeAudio (void *context) { free (context); } /* ------ PUBLIC PLUGIN FUNCTIONS --------- */ STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CHECK */ json_object *jresp; int idx; /* create a private client context */ request->context = initAudioCtx(); _alsa_init("default", request->context); jresp = json_object_new_object(); json_object_object_add (jresp, "info", json_object_new_string ("Audio initialised")); return (jresp); } STATIC json_object* volume (AFB_request *request) { /* AFB_SESSION_CHECK */ audioCtxHandleT *ctx = (audioCtxHandleT*)request->context; 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->context; const char *value = getQueryValue (request, "value"); json_object *jresp = json_object_new_object(); char channels_str[256]; /* 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); 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->context; 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->context; 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* ping (AFB_request *request) { /* AFB_SESSION_NONE */ return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Radio API"); } STATIC AFB_restapi pluginApis[]= { {"init" , AFB_SESSION_CHECK, (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"}, {"ping" , AFB_SESSION_NONE, (AFB_apiCB)ping , "Audio API - ping"}, {NULL} }; 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 = (AFB_freeCtxCB)freeAudio; return (plugin); };