From db4d63597b22b63eb73b5c0558476652ed4988bb Mon Sep 17 00:00:00 2001 From: fulup Date: Sun, 9 Jul 2017 19:59:24 +0200 Subject: initial version of HAL (registration + getctls) Work in progress --- HAL-afb/HAL-interface/hal-interface.c | 471 ++++++++++++++++++++++------------ HAL-afb/HAL-interface/hal-interface.h | 11 +- 2 files changed, 311 insertions(+), 171 deletions(-) (limited to 'HAL-afb/HAL-interface') diff --git a/HAL-afb/HAL-interface/hal-interface.c b/HAL-afb/HAL-interface/hal-interface.c index 035278b..19fe191 100644 --- a/HAL-afb/HAL-interface/hal-interface.c +++ b/HAL-afb/HAL-interface/hal-interface.c @@ -31,203 +31,313 @@ #include "hal-interface.h" -typedef struct { - int index; - int numid; -} shareHallMap_T; +static alsaHalMapT *halCtls; +static const char *halDevid; + + + +STATIC const char *halCtlsLabels[] = { + [StartHalCrlTag] = "NOT_USED", + + [Master_Playback_Volume] = "Master_Playback_Volume", + [Master_OnOff_Switch] = "Master_OnOff_Switch", + [Master_Playback_Ramp] = "Master_Playback_Ramp", + [PCM_Playback_Volume] = "PCM_Playback_Volume", + [PCM_Playback_Switch] = "PCM_Playback_Switch", + [Capture_Volume] = "Capture_Volume", -static shareHallMap_T *shareHallMap; -static alsaHalMapT *halCtls; + [EndHalCrlTag] = "NOT_USED" + +}; // Force specific HAL to depend on ShareHalLib PUBLIC char* SharedHalLibVersion="1.0"; - + // Subscribe to AudioBinding events STATIC void halSubscribe(afb_req request) { - const char *devid = afb_req_value(request, "devid"); - if (devid == NULL) { - afb_req_fail_f(request, "devid-missing", "devid=hw:xxx missing"); + const char *devidJ = afb_req_value(request, "devid"); + if (devidJ == NULL) { + afb_req_fail_f(request, "devidJ-missing", "devidJ=hw:xxx missing"); } } -// Call when all bindings are loaded and ready to accept request -STATIC void halGetVol(afb_req request) { - // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card - afb_req_success(request, NULL, NULL); - return; +// HAL normalise volume values to 0-100% +STATIC struct json_object *NormaliseValue(const alsaHalCtlMapT *halCtls, struct json_object *valuesJ) { + int length; + // assert response as the right length + length = json_object_array_length(valuesJ); + if (length != halCtls->count) { + AFB_WARNING ("NormaliseValue invalid ctl=%s values count=%d len=%d", halCtls->name, halCtls->count, length); + return NULL; + } + + json_object *normalisedJ= json_object_new_array(); + for (int idx=0; idx halCtls->maxval) value= halCtls->maxval; + if (value < halCtls->minval) value= halCtls->minval; + + // If Integer scale to 0/100 + if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) { + value = (value * 100) / (halCtls->maxval - halCtls->minval); + } + + json_object_array_add(normalisedJ, json_object_new_int(value)); + } + + return (normalisedJ); } -STATIC void halSetVol(afb_req request) { - const char *arg; - const char *pcm; +// Remap low level controls into HAL hight level ones +STATIC json_object *CtlGetPrepareResponse(afb_req request, struct json_object *ctlsJ) { + struct json_object *halResponseJ; - arg = afb_req_value(request, "vol"); - if (arg == NULL) { - afb_req_fail_f(request, "argument-missing", "vol=[0,100] missing"); + // make sure return controls have a valid type + if (json_object_get_type(ctlsJ) != json_type_array) { + afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol ctlsJ=%s", json_object_get_string(ctlsJ)); goto OnErrorExit; } + + // responseJ is a JSON array + halResponseJ = json_object_new_array(); - pcm = afb_req_value(request, "pcm"); - if (pcm == NULL) pcm = "Master"; - - // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card - afb_req_success(request, NULL, NULL); - return; - -OnErrorExit: - return; + // loop on array and store values into client context + for (int idx = 0; idx < json_object_array_length(ctlsJ); idx++) { + struct json_object *sndCtlJ, *valJ, *numidJ; + int numid; + sndCtlJ = json_object_array_get_idx(ctlsJ, idx); + if (!json_object_object_get_ex(sndCtlJ, "numid", &numidJ) || !json_object_object_get_ex(sndCtlJ, "val", &valJ)) { + afb_req_fail_f(request, "ctl-invalid", "Invalid Control return from alsa/getcontrol ctl=%s", json_object_get_string(sndCtlJ)); + goto OnErrorExit; + } + + // HAL and Business logic use the same AlsaMixerHal.h direct conversion + numid= (halCtlsEnumT) json_object_get_int(numidJ); + + for (int idx = 0; halCtls[idx].ctl.numid; idx++) { + if (halCtls[idx].ctl.numid == numid) { + + // translate low level numid to HAL one and normalise values + struct json_object *halCtlJ = json_object_new_object(); + json_object_object_add(halCtlJ, "label", json_object_new_string(halCtls[idx].label)); // idx+1 == HAL/NUMID + json_object_object_add(halCtlJ, "tag" , json_object_new_int(halCtls[idx].tag)); // idx+1 == HAL/NUMID + json_object_object_add(halCtlJ, "val" , NormaliseValue(&halCtls[idx].ctl, valJ)); + json_object_array_add(halResponseJ, halCtlJ); + break; + } + } + if ( halCtls[idx].ctl.numid == 0) { + afb_req_fail_f(request, "ctl-invalid", "Invalid Control numid=%d from alsa/getcontrol ctlJ=%s", numid, json_object_get_string(sndCtlJ)); + goto OnErrorExit; + } + } + return halResponseJ; + + OnErrorExit: + return NULL; } -// AudioLogic expect volume values to be 0-100% - -STATIC int NormaliseValue(const alsaHalCtlMapT *halCtls, int valuein) { - int valueout; - - if (valuein > halCtls->maxval) valuein= halCtls->maxval; - if (valuein < halCtls->minval) valuein= halCtls->minval; - - // volume are ajusted to 100% any else is ignored - switch (halCtls->group) { - case OUTVOL: - case PCMVOL: - case INVOL: - valueout = (valuein * 100) / (halCtls->maxval - halCtls->minval); - break; - default: - valueout = valuein; +// Return ALL HAL snd controls +PUBLIC void halListCtls(afb_req request) { + struct json_object *ctlsHalJ = json_object_new_array(); + + for (int idx = 0; halCtls[idx].ctl.numid; idx++) { + struct json_object *ctlHalJ = json_object_new_object(); + + json_object_object_add(ctlHalJ, "label", json_object_new_string(halCtls[idx].label)); + json_object_object_add(ctlHalJ, "tag" , json_object_new_int(halCtls[idx].tag)); + json_object_object_add(ctlHalJ, "count", json_object_new_int(halCtls[idx].ctl.count)); + + json_object_array_add (ctlsHalJ, ctlHalJ); } - return (valueout); + + afb_req_success (request, ctlsHalJ, NULL); } -// receive controls for LowLevel remap them to hight level before returning them +// Map HAL ctlName to ctlLabel +STATIC int halCtlStringToIndex (const char* label) { -STATIC void halGetControlCB(void *handle, int iserror, struct json_object *result) { - struct json_object *response; - - // retrieve request and check for errors - 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 alsa/getcontrol result=[%s]", json_object_get_string(result)); - goto OnExit; + for (int idx = 0; halCtls[idx].ctl.numid; idx++) { + if (!strcmp (halCtls[idx].label, label)) return idx; } + + // not found + return -1; +} - // extract sounds controls information from received Object - struct json_object *ctls; - json_object_object_get_ex(result, "ctls", &ctls); - if (!ctls) { - afb_req_fail_f(request, "ctls-notfound", "No Controls return from alsa/getcontrol response=[%s]", json_object_get_string(response)); - goto OnExit; - } +STATIC int halCtlTagToIndex (halCtlsEnumT tag) { - // 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 alsa/getcontrol response=[%s]", json_object_get_string(response)); - goto OnExit; + for (int idx = 0; halCtls[idx].ctl.numid; idx++) { + if (halCtls[idx].tag == tag) return idx; } + + // not found + return -1; +} - // loop on array and store values into client context - for (int idx = 0; idx < json_object_array_length(ctls); idx++) { - struct json_object *ctl; - int rawvalue, numid; - - 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 alsa/getcontrol ctl=[%s]", json_object_get_string(ctl)); - goto OnExit; - } - - // As HAL and Business logic use the same AlsaMixerHal.h direct conversion is not an issue - numid = (halCtlsEnumT) json_object_get_int(json_object_array_get_idx(ctl, 0)); - rawvalue = json_object_get_int(json_object_array_get_idx(ctl, 1)); - - for (int idx = 0; halCtls[idx].alsa.numid != 0; idx++) { - if (halCtls[idx].alsa.numid == numid) { - struct json_object *ctlAndValue = json_object_new_array(); - json_object_array_add(ctlAndValue, json_object_new_int(idx)); // idx == high level control - json_object_array_add(ctlAndValue, json_object_new_int(NormaliseValue(&halCtls[idx].alsa, rawvalue))); - break; - } - } - if (shareHallMap[idx].numid == 0) { +STATIC int halGetOneCtls (afb_req request, struct json_object*ctlInJ) { + struct json_object *tmpJ; + int tag, index; - afb_req_fail_f(request, "ctl-invalid", "Invalid Control numid from alsa/getcontrol ctl=[%s]", json_object_get_string(ctl)); - goto OnExit; - } + // check 1st short command mode [tag1, tag2, ...] + tag = json_object_get_type (ctlInJ); + + if (!tag) { + json_object_object_get_ex (ctlInJ, "tag" , &tmpJ); + tag = json_object_get_int(tmpJ); + } + + if (tag) { + index = halCtlTagToIndex((halCtlsEnumT) tag); + } else { + // tag was not provided let's try label + const char *label; + + json_object_object_get_ex (ctlInJ, "label" , &tmpJ); + label = json_object_get_string(tmpJ); + index = halCtlStringToIndex(label); } - OnExit: - return; -} - + if (index < 0) { + afb_req_fail_f(request, "ctl-invalid", "No Label/Tag given ctl=[%s]", json_object_get_string(ctlInJ)); + goto OnErrorExit; + } + + // return corresponding lowlevel numid to querylist + return halCtls[index].ctl.numid; + + OnErrorExit: + return -1; +} // Translate high level control to low level and call lower layer -STATIC void halGetCtls(afb_req request) { - - struct json_object *queryin, *queryout, *ctlsin, *devid; - struct json_object *ctlsout = json_object_new_array(); +PUBLIC void halGetCtls(afb_req request) { + int err, numid; + struct json_object *ctlsInJ, *ctlsOutJ, *queryJ, *responseJ; // get query from request - queryin = afb_req_json(request); - - // check devid was given - if (!json_object_object_get_ex (queryin, "devid", &devid)) { - afb_req_fail_f(request, "devid-notfound", "No DevID given query=[%s]", json_object_get_string(queryin)); - goto OnExit; - } - - // loop on requested controls - if (!json_object_object_get_ex(queryin, "ctls", &ctlsin) || json_object_array_length(ctlsin) <= 0) { - afb_req_fail_f(request, "ctlsin-notfound", "No Controls given query=[%s]", json_object_get_string(queryin)); - goto OnExit; - } + ctlsInJ = afb_req_json(request); + ctlsOutJ = json_object_new_array(); + + switch (json_object_get_type(ctlsInJ)) { + case json_type_object: { - // loop on controls - for (int idx = 0; idx < json_object_array_length(ctlsin); idx++) { - struct json_object *ctl; - halCtlsEnumT control; - - // each control should be halCtlsEnumT - ctl = json_object_array_get_idx(ctlsin, idx); - control = (halCtlsEnumT) json_object_get_int(ctl); - if (control >= EndHalCrlTag || control <= StartHalCrlTag) { - afb_req_fail_f(request, "ctl-invalid", "Invalid Control devid=%s ctl=[%s] should be [%d-%d]" - , json_object_get_string(devid), json_object_get_string(ctl), StartHalCrlTag, EndHalCrlTag); - goto OnExit; + numid = halGetOneCtls (request, ctlsInJ); + if (numid <=0) goto OnErrorExit; + json_object_array_add (ctlsOutJ, json_object_new_int(numid)); + break; } - - // add corresponding lowlevel numid to querylist - json_object_array_add(ctlsout, json_object_new_int(shareHallMap[control].numid)); + + case json_type_array: { + + for (int idx= 0; idx < json_object_array_length (ctlsInJ); idx++) { + struct json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx); + numid= halGetOneCtls (request, ctlInJ); + if (numid<=0) goto OnErrorExit; + json_object_array_add (ctlsOutJ, json_object_new_int(numid)); + } + break; + } + + default: + afb_req_fail_f(request, "ctl-invalid", "Not a valid JSON ctl=[%s]", json_object_get_string(ctlsInJ)); + goto OnErrorExit; } - // register HAL with Alsa Low Level Binder devid=hw:0&numid=1&quiet=0 - queryout = json_object_new_object(); - json_object_object_add(queryout, "devid", devid); - json_object_object_add(queryout, "ctls", ctlsout); + // Call now level CTL + queryJ = json_object_new_object(); + json_object_object_add(queryJ, "devid", json_object_new_string (halDevid)); + json_object_object_add(queryJ, "numids", ctlsOutJ); - // Fulup afb_service_call("alsacore", "getctl", queryout, halGetControlCB, handle); + err= afb_service_call_sync("alsacore", "getctls", queryJ, &responseJ); + if (err) { + afb_req_fail_f(request, "subcall:alsacore/getctl", "%s", json_object_get_string(responseJ)); + goto OnErrorExit; + } + + // Let ignore info data if any and keep on response + json_object_object_get_ex (responseJ, "response", &responseJ); + + // map back low level response to HAL ctl with normalised values + struct json_object *halResponse = CtlGetPrepareResponse(request, responseJ); + if (!halResponse) goto OnErrorExit; + + afb_req_success (request, halResponse, NULL); + return; -OnExit: - // Under normal situation success/failure is set from callback +OnErrorExit: return; }; - // This receive all event this binding subscribe to -PUBLIC void halServiceEvent(const char *evtname, struct json_object *object) { +PUBLIC void halServiceEvent(const char *evtname, struct json_object *eventJ) { + int numid; + struct json_object *numidJ, *valuesJ, *valJ; + + AFB_NOTICE("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ)); + + json_object_object_get_ex (eventJ, "values" , &valuesJ); + if (!valuesJ) { + AFB_ERROR("halServiceEvent novalues: evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ)); + return; + } + + json_object_object_get_ex (valuesJ, "numid" , &numidJ); + numid = json_object_get_int (numidJ); + + // search it corresponding numid in halCtls attach a callback + if (numid) { + for (int idx= 0; halCtls[idx].ctl.numid; idx++) { + if (halCtls[idx].ctl.numid == numid && halCtls[idx].cb.callback != NULL) { + json_object_object_get_ex (valuesJ, "val" , &valJ); + halCtls[idx].cb.callback (&halCtls[idx].ctl, halCtls[idx].cb.handle, valJ); + } + } + } +} - AFB_NOTICE("afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(object)); +STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) { + struct json_object *tmpJ, *ctlJ; + + AFB_NOTICE ("*** %s, ", json_object_get_string(sndCtlJ)); + + // make sure we face a valid Alsa Low level ctl + if (!json_object_object_get_ex (sndCtlJ, "ctrl" , &ctlJ)) return -1; + + json_object_object_get_ex (sndCtlJ, "name" , &tmpJ); + ctl->name = (char*)json_object_get_string(tmpJ); + + json_object_object_get_ex (sndCtlJ, "numid" , &tmpJ); + ctl->numid = json_object_get_int(tmpJ); + + + json_object_object_get_ex (ctlJ, "min" , &tmpJ); + ctl->minval = json_object_get_int(tmpJ); + + json_object_object_get_ex (ctlJ, "max" , &tmpJ); + ctl->maxval = json_object_get_int(tmpJ); + + json_object_object_get_ex (ctlJ, "step" , &tmpJ); + ctl->step = json_object_get_int(tmpJ); + + json_object_object_get_ex (ctlJ, "count" , &tmpJ); + ctl->count = json_object_get_int(tmpJ); + + json_object_object_get_ex (ctlJ, "type" , &tmpJ); + ctl->type = (snd_ctl_elem_type_t)json_object_get_int(tmpJ); + + return 0; } // this is call when after all bindings are loaded PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard) { - int ok, err; + int err; struct json_object *queryurl, *responseJ, *devidJ, *ctlsJ, *tmpJ; halCtls = alsaHalSndCard->ctls; // Get sndcard specific HAL control mapping @@ -236,39 +346,48 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar AFB_ERROR ("AlsaCore missing cannot use AlsaHAL"); goto OnErrorExit; } - + // register HAL with Alsa Low Level Binder queryurl = json_object_new_object(); json_object_object_add(queryurl, "prefix", json_object_new_string(apiPrefix)); json_object_object_add(queryurl, "sndname", json_object_new_string(alsaHalSndCard->name)); - ok= afb_service_call_sync ("alsacore", "registerHal", queryurl, &responseJ); + err= afb_service_call_sync ("alsacore", "halregister", queryurl, &responseJ); json_object_put(queryurl); - if (!ok) { - NOTICE ("Fail to register HAL to ALSA lowlevel binding Response=[%s]", json_object_get_string(responseJ)); + if (err) { + AFB_NOTICE ("Fail to register HAL to ALSA lowlevel binding Response=[%s]", json_object_get_string(responseJ)); goto OnErrorExit; } - // extract sound devid from HAL registration + // extract sound devidJ from HAL registration if (!json_object_object_get_ex(responseJ, "response", &tmpJ) || !json_object_object_get_ex(tmpJ, "devid", &devidJ)) { - AFB_ERROR ("Ooops: Internal error no devid return from HAL registration Response=[%s]", json_object_get_string(responseJ)); + AFB_ERROR ("Ooops: Internal error no devidJ return from HAL registration Response=[%s]", json_object_get_string(responseJ)); goto OnErrorExit; } - - + // save devid for future use + halDevid = strdup (json_object_get_string(devidJ)); + // for each Non Alsa Control callback create a custom control ctlsJ= json_object_new_array(); - for (int idx = 0; halCtls[idx].alsa.numid != 0; idx++) { + for (int idx= 0; (halCtls[idx].ctl.name||halCtls[idx].ctl.numid); idx++) { struct json_object *ctlJ; - if (halCtls[idx].alsa.numid != 0 || halCtls[idx].cb.callback != NULL) { + + // map HAL ctlTad with halCrlLabel to simplify set/get ctl operations using Labels + halCtls[idx].label = halCtlsLabels[halCtls[idx].tag]; + + if (halCtls[idx].cb.callback != NULL) { + ctlJ = json_object_new_object(); + if (halCtls[idx].ctl.name) json_object_object_add(ctlJ, "name" , json_object_new_string(halCtls[idx].ctl.name)); + if (halCtls[idx].ctl.minval) json_object_object_add(ctlJ, "min" , json_object_new_int(halCtls[idx].ctl.minval)); + if (halCtls[idx].ctl.maxval) json_object_object_add(ctlJ, "max" , json_object_new_int(halCtls[idx].ctl.maxval)); + if (halCtls[idx].ctl.step) json_object_object_add(ctlJ, "step" , json_object_new_int(halCtls[idx].ctl.step)); + if (halCtls[idx].ctl.type) json_object_object_add(ctlJ, "type" , json_object_new_int(halCtls[idx].ctl.type)); + json_object_array_add(ctlsJ, ctlJ); + } else { ctlJ = json_object_new_object(); - if (halCtls[idx].alsa.name) json_object_object_add(ctlJ, "name" , json_object_new_string(halCtls[idx].alsa.name)); - if (halCtls[idx].alsa.numid) json_object_object_add(ctlJ, "numid" , json_object_new_int(halCtls[idx].alsa.numid)); - if (halCtls[idx].alsa.minval) json_object_object_add(ctlJ, "minval", json_object_new_int(halCtls[idx].alsa.minval)); - if (halCtls[idx].alsa.maxval) json_object_object_add(ctlJ, "maxval", json_object_new_int(halCtls[idx].alsa.maxval)); - if (halCtls[idx].alsa.step) json_object_object_add(ctlJ, "step" , json_object_new_int(halCtls[idx].alsa.step)); - if (halCtls[idx].alsa.type) json_object_object_add(ctlJ, "type" , json_object_new_int(halCtls[idx].alsa.type)); + if (halCtls[idx].ctl.numid) json_object_object_add(ctlJ, "numid" , json_object_new_int(halCtls[idx].ctl.numid)); + if (halCtls[idx].ctl.name) json_object_object_add(ctlJ, "name" , json_object_new_string(halCtls[idx].ctl.name)); json_object_array_add(ctlsJ, ctlJ); } } @@ -276,16 +395,37 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar // Build new queryJ to add HAL custom control if any if (json_object_array_length (ctlsJ) > 0) { queryurl = json_object_new_object(); + json_object_get(devidJ); // make sure devidJ does not get free by 1st call. json_object_object_add(queryurl, "devid",devidJ); json_object_object_add(queryurl, "ctls",ctlsJ); - ok= afb_service_call_sync ("alsacore", "addcustomctl", queryurl, &responseJ); - if (!ok) { + err= afb_service_call_sync ("alsacore", "addcustomctl", queryurl, &responseJ); + if (err) { AFB_ERROR ("Fail creating HAL Custom ALSA ctls Response=[%s]", json_object_get_string(responseJ)); goto OnErrorExit; } } + + // Make sure response is valid + json_object_object_get_ex (responseJ, "response" , &ctlsJ); + if (json_object_get_type(ctlsJ) != json_type_array) { + AFB_ERROR ("Response Invalid JSON array ctls Response=[%s]", json_object_get_string(responseJ)); + goto OnErrorExit; + } + + // update HAL data from JSON response + for (int idx= 0; idx < json_object_array_length (ctlsJ); idx++) { + json_object *ctlJ = json_object_array_get_idx (ctlsJ, idx); + err= UpdateOneSndCtl(&halCtls[idx].ctl, ctlJ) ; + if (err) { + AFB_ERROR ("Fail found MAP Alsa Low level=%s", json_object_get_string(ctlJ)); + goto OnErrorExit; + } + } + // finally register for alsa lowlevel event + queryurl = json_object_new_object(); + json_object_object_add(queryurl, "devid",devidJ); err= afb_service_call_sync ("alsacore", "subscribe", queryurl, &responseJ); if (err) { AFB_ERROR ("Fail subscribing to ALSA lowlevel events"); @@ -302,9 +442,8 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar PUBLIC afb_verb_v2 halServiceApi[] = { /* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */ { .verb = "ping", .callback = pingtest}, + { .verb = "listctls", .callback = halListCtls}, { .verb = "getctls", .callback = halGetCtls}, - { .verb = "setvol", .callback = halSetVol}, - { .verb = "getvol", .callback = halGetVol}, { .verb = "subscribe", .callback = halSubscribe}, { .verb = NULL} /* marker for end of the array */ }; diff --git a/HAL-afb/HAL-interface/hal-interface.h b/HAL-afb/HAL-interface/hal-interface.h index 16da901..2cd3586 100644 --- a/HAL-afb/HAL-interface/hal-interface.h +++ b/HAL-afb/HAL-interface/hal-interface.h @@ -24,14 +24,13 @@ #include "audio-interface.h" typedef struct { - halCtlsEnumT control; char* name; int numid; - halGroupEnumT group; int values; int minval; int maxval; int step; + int count; snd_ctl_elem_type_t type; halAclEnumT acl; } alsaHalCtlMapT; @@ -40,19 +39,21 @@ typedef struct { typedef struct afb_service alsaHalServiceT; typedef struct { - struct json_object* (*callback)(alsaHalCtlMapT *control, void* handle); + struct json_object* (*callback)(alsaHalCtlMapT *control, void* handle, struct json_object *valuesJ); void* handle; } alsaHalCbMapT; typedef struct { - alsaHalCtlMapT alsa; + halCtlsEnumT tag; + const char *label; + alsaHalCtlMapT ctl; alsaHalCbMapT cb; char* info; } alsaHalMapT; typedef const struct { - const char *name; + char *name; const char *info; alsaHalMapT *ctls; } alsaHalSndCardT; -- cgit 1.2.3-korg