diff options
Diffstat (limited to 'AudioLogic/AudioLogicLib.c')
| -rw-r--r-- | AudioLogic/AudioLogicLib.c | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/AudioLogic/AudioLogicLib.c b/AudioLogic/AudioLogicLib.c deleted file mode 100644 index e9d7104..0000000 --- a/AudioLogic/AudioLogicLib.c +++ /dev/null @@ -1,316 +0,0 @@ -/* - * 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. - */ - -#define _GNU_SOURCE -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <netdb.h> -#include <fcntl.h> -#include <math.h> -#include <sys/time.h> -#include <sys/types.h> - -#include "AudioLogicLib.h" - -static struct afb_service srvitf; - - -// This callback is fired when afb_service_call for api/alsacore/subctl returns -STATIC void audioLogicSetVolCB(void *handle, int iserror, struct json_object *result) { - struct afb_req request = afb_req_unstore(handle); - - if (!cbCheckResponse(request, iserror, result)) goto OnExit; - -OnExit: - return; -} - -PUBLIC void audioLogicSetVol(struct afb_req request) { - struct json_object *queryurl; - int volume=0; // FULUP TBD !!!!!!!!!!!! - - // keep request for callback to respond - struct afb_req *handle = afb_req_store(request); - - // get client context - AudioLogicCtxT *ctx = afb_req_context_get(request); - - const char *vol = afb_req_value(request, "vol"); - if (vol == NULL) { - afb_req_fail_f(request, "argument-missing", "vol=+-%[0,100] missing"); - goto OnExit; - } - - switch (vol[0]) { - case '+': - break; - case '-': - break; - case '%': - break; - - default: - afb_req_fail_f(request, "value-invalid", "volume should be (+-%[0-100]xxx) vol=%s", vol); - goto OnExit; - } - - if (!ctx->halapi) { - afb_req_fail_f(request, "context-invalid", "No valid halapi in client context"); - goto OnExit; - } - - // ********** Caluler le volume en % de manière intelligente - queryurl = json_object_new_object(); - json_object_object_add(ctx->queryurl, "pcm", json_object_new_int(Master_Playback_Volume)); - json_object_object_add(ctx->queryurl, "value", json_object_new_int(volume)); - - // subcontract HAL API to process volume - afb_service_call(srvitf, ctx->halapi, "volume", queryurl, audioLogicSetVolCB, handle); - - // final success/failure messages handle from callback -OnExit: - return; -} - -// This callback is fired when afb_service_call for api/alsacore/subctl returns - -STATIC void alsaSubcribeCB(void *handle, int iserror, struct json_object *result) { - struct afb_req request = afb_req_unstore(handle); - - if (!cbCheckResponse(request, iserror, result)) goto OnExit; - -OnExit: - return; -} - -// Create and subscribe to alsacore ctl events -PUBLIC void audioLogicMonitor(struct afb_req request) { - - - // get client context - AudioLogicCtxT *ctx = afb_req_context_get(request); - if (!ctx) { - afb_req_fail_f(request, "ctx-notfound", "No Client Context HAL/getcontrol devid=[%] name=[%s]", ctx->devid, ctx->shortname); - goto OnExit; - } - - // push request to low level binding - NOTICE(afbIface, "audioLogicMonitor ctx->devid=%s [ctx->queryurl=%s]", ctx->devid, json_object_to_json_string(ctx->queryurl)); - - if (ctx->queryurl) { - json_object_get(ctx->queryurl); // Make sure usage count does not fall to zero - struct afb_req *handle = afb_req_store(request); - afb_service_call(srvitf, "alsacore", "subscribe", ctx->queryurl, alsaSubcribeCB, handle); - } - else afb_req_fail_f(request, "context-invalid", "No valid queryurl in client context"); - - // success/failure messages return from callback -OnExit: - return; -} - -// Subscribe to AudioBinding events - -PUBLIC void audioLogicSubscribe(struct afb_req request) { - - return; -} - - -// Call when all bindings are loaded and ready to accept request -PUBLIC void audioLogicGetVol(struct afb_req request) { - - // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card - afb_req_success(request, NULL, NULL); - return; - -} - -// This callback is fired when afb_service_call for api/alsacore/subctl returns - -STATIC void audioLogicOpenCB2(void *handle, int iserror, struct json_object *result) { - struct json_object *response; - - // Make sure we got a response from API - struct afb_req request = afb_req_unstore(handle); - if (!cbCheckResponse(request, iserror, result)) goto OnExit; - - // get client context - AudioLogicCtxT *ctx = afb_req_context_get(request); - if (!ctx) { - afb_req_fail_f(request, "ctx-notfound", "No Client Context HAL/getcontrol devid=[%] name=[%s]", ctx->devid, ctx->shortname); - goto OnExit; - } - - // Get response from object - json_object_object_get_ex(result, "response", &response); - if (!response) { - afb_req_fail_f(request, "response-notfound", "No Controls return from HAL/getcontrol devid=[%] name=[%s]", ctx->devid, ctx->shortname); - goto OnExit; - } - - // extract sounds controls information from received Object - struct json_object *ctls; - json_object_object_get_ex(response, "ctls", &ctls); - if (!ctls) { - afb_req_fail_f(request, "ctls-notfound", "No Controls return from HAL/getcontrol devid=[%] name=[%s]", ctx->devid, ctx->shortname); - goto OnExit; - } - - // make sure return controls have a valid type - if (json_object_get_type(ctls) != json_type_array) { - afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from HAL/getcontrol devid=[%] name=[%s]", ctx->devid, ctx->shortname); - goto OnExit; - } - - // loop on array and store values into client context - for (int idx = 0; idx < json_object_array_length(ctls); idx++) { - struct json_object *ctl; - halCtlsEnumT control; - int value; - - ctl = json_object_array_get_idx(ctls, idx); - if (json_object_array_length(ctl) != 2) { - afb_req_fail_f(request, "ctl-invalid", "Invalid Control return from HAL/getcontrol devid=[%] name=[%s] ctl=%s" - , ctx->devid, ctx->shortname, json_object_get_string(ctl)); - goto OnExit; - } - - // As HAL and Business logic use the same AlsaMixerHal.h direct conversion is not an issue - control = (halCtlsEnumT) json_object_get_int(json_object_array_get_idx(ctl, 0)); - value = json_object_get_int(json_object_array_get_idx(ctl, 1)); - - switch (control) { - case Master_Playback_Volume: - ctx->volumes.masterPlaybackVolume = value; - break; - - case PCM_Playback_Volume: - ctx->volumes.pcmPlaybackVolume = value; - break; - - case PCM_Playback_Switch: - ctx->volumes.pcmPlaybackSwitch = value; - break; - - case Capture_Volume: - ctx->volumes.captureVolume = value; - break; - - default: - NOTICE(afbIface, "audioLogicOpenCB2 unknown HAL control=[%s]", json_object_get_string(ctl)); - } - } - -OnExit: - afb_req_context_set(request, ctx, free); - return; -} - -// This callback is fired when afb_service_call for api/alsacore/subctl returns -STATIC void audioLogicOpenCB1(void *handle, int iserror, struct json_object *result) { - struct json_object *response, *subobj; - - // Make sure we got a valid API response - struct afb_req request = afb_req_unstore(handle); - if (!cbCheckResponse(request, iserror, result)) goto OnExit; - - // Get response from object - json_object_object_get_ex(result, "response", &response); - if (!response) { - afb_req_fail_f(request, "response-notfound", "No Controls return from HAL/getcontrol"); - goto OnExit; - } - - // attach client context to session - AudioLogicCtxT *ctx = malloc(sizeof (AudioLogicCtxT)); - - // extract information from Json Alsa Object - json_object_object_get_ex(response, "cardid", &subobj); - if (subobj) ctx->cardid = json_object_get_int(subobj); - - // store devid as an object for further alsa request - json_object_object_get_ex(response, "devid", &subobj); - if (subobj) ctx->devid = strdup(json_object_get_string(subobj)); - - json_object_object_get_ex(response, "halapi", &subobj); - if (subobj) ctx->halapi = strdup(json_object_get_string(subobj)); - - json_object_object_get_ex(response, "shortname", &subobj); - if (subobj)ctx->shortname = strdup(json_object_get_string(subobj)); - - json_object_object_get_ex(response, "longname", &subobj); - if (subobj)ctx->longname = strdup(json_object_get_string(subobj)); - - // save queryurl with devid only for further ALSA request - ctx->queryurl = json_object_new_object(); - json_object_object_add(ctx->queryurl, "devid", json_object_new_string(ctx->devid)); - - afb_req_context_set(request, ctx, free); - - // sound card was find let's store keycontrols into client session - if (!ctx->halapi) { - afb_req_fail_f(request, "hal-notfound", "No HAL found devid=[%] name=[%s]", ctx->devid, ctx->shortname); - goto OnExit; - } - - struct json_object *queryurl = json_object_new_object(); - struct json_object *ctls = json_object_new_array(); - - // add sound controls we want to keep track of into client session context - json_object_array_add(ctls, json_object_new_int((int) Master_Playback_Volume)); - json_object_array_add(ctls, json_object_new_int((int) PCM_Playback_Volume)); - json_object_array_add(ctls, json_object_new_int((int) PCM_Playback_Switch)); - json_object_array_add(ctls, json_object_new_int((int) Capture_Volume)); - - // send request to soundcard HAL binding - json_object_object_add(queryurl, "ctls", ctls); - handle = afb_req_store(request); // FULUP ???? Needed for 2nd Callback ???? - afb_service_call(srvitf, ctx->halapi, "getControl", queryurl, audioLogicOpenCB2, handle); - - afb_req_success(request, response, NULL); - -OnExit: - // release original calling request - afb_req_unref(request); - return; -} - -// Delegate to lowerlevel the mapping of soundcard name with soundcard ID -PUBLIC void audioLogicOpen(struct afb_req request) { - - // Delegate query to lower level - struct afb_req *handle = afb_req_store(request); - afb_service_call(srvitf, "alsacore", "getCardId", json_object_get(afb_req_json(request)), audioLogicOpenCB1, handle); -} - -// Free client context create from audioLogicOpenCB -PUBLIC void audioLogicClose(struct afb_req request) { - - // retrieve current client context to print debug info - AudioLogicCtxT *ctx = (AudioLogicCtxT*) afb_req_context_get(request); - DEBUG(afbIface, "audioLogicClose cardid=%d devid=%s shortname=%s longname=%s", ctx->cardid, ctx->devid, ctx->shortname, ctx->longname); -} - - -// this function is call after all binder are loaded and initialised -PUBLIC int audioLogicInit(struct afb_service service) { - srvitf = service; - return 0; -} |