diff options
Diffstat (limited to 'AlsaSound')
| -rw-r--r-- | AlsaSound/CMakeLists.txt | 32 | ||||
| -rw-r--r-- | AlsaSound/CoreBinding/AlsaCoreBinding.c | 80 | ||||
| -rw-r--r-- | AlsaSound/CoreBinding/AlsaCoreBinding.h | 60 | ||||
| -rw-r--r-- | AlsaSound/CoreBinding/AlsaCtlSetGet.c | 1084 | ||||
| -rw-r--r-- | AlsaSound/CoreBinding/AlsaUseCase.c | 433 | ||||
| -rw-r--r-- | AlsaSound/CoreBinding/CMakeLists.txt | 36 | ||||
| -rw-r--r-- | AlsaSound/CoreBinding/README.md | 33 | ||||
| -rw-r--r-- | AlsaSound/HALayer/CMakeLists.txt | 31 | ||||
| -rw-r--r-- | AlsaSound/HALayer/IntelHda/CMakeLists.txt | 36 | ||||
| -rw-r--r-- | AlsaSound/HALayer/IntelHda/IntelHdaHAL.c | 68 | ||||
| -rw-r--r-- | AlsaSound/HALayer/SharedHal/CMakeLists.txt | 29 | ||||
| -rw-r--r-- | AlsaSound/HALayer/SharedHal/SharedHalLib.c | 341 | ||||
| -rw-r--r-- | AlsaSound/HALayer/SharedHal/SharedHalLib.h | 62 |
13 files changed, 0 insertions, 2325 deletions
diff --git a/AlsaSound/CMakeLists.txt b/AlsaSound/CMakeLists.txt deleted file mode 100644 index 7356ca4..0000000 --- a/AlsaSound/CMakeLists.txt +++ /dev/null @@ -1,32 +0,0 @@ -########################################################################### -# Copyright 2015, 2016, 2017 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. -########################################################################### - -PROJECT(alsa-bindings C) -PKG_CHECK_MODULES(alsa REQUIRED alsa) - -# Max Sound Card Number eligible to ctlevent subscription -defstr(MAX_SND_CARD 16) - -SET(link_libraries - ${alsa_LIBRARIES} - ${link_libraries} - ) - -ADD_SUBDIRECTORY(CoreBinding) -ADD_SUBDIRECTORY(HALayer) - diff --git a/AlsaSound/CoreBinding/AlsaCoreBinding.c b/AlsaSound/CoreBinding/AlsaCoreBinding.c deleted file mode 100644 index d866daf..0000000 --- a/AlsaSound/CoreBinding/AlsaCoreBinding.c +++ /dev/null @@ -1,80 +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 "AlsaCoreBinding.h" - -PUBLIC const struct afb_binding_interface *afbIface; - -/* - * array of the verbs exported to afb-daemon - */ -static const struct afb_verb_desc_v1 binding_verbs[] = { - /* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */ - { .name= "ping" , .session= AFB_SESSION_NONE, .callback= pingtest, .info= "Ping Binding" }, - { .name= "getinfo", .session= AFB_SESSION_NONE, .callback= alsaGetInfo, .info= "List All/One Sound Cards Info" }, - { .name= "getctls", .session= AFB_SESSION_NONE, .callback= alsaGetCtls, .info= "Get Controls from selected sndcard" }, - { .name= "setctls", .session= AFB_SESSION_NONE, .callback= alsaSetCtls, .info= "Set Controls from selected sndcard" }, - { .name= "subscribe", .session= AFB_SESSION_NONE, .callback= alsaSubcribe, .info= "Subscribe to events from selected sndcard" }, - { .name= "getcardid", .session= AFB_SESSION_NONE, .callback= alsaGetCardId, .info= "Get CardId from its short/long name" }, - { .name= "registerHal",.session= AFB_SESSION_NONE, .callback= alsaRegisterHal, .info= "Register Hal CardName/ApiPrefix" }, - { .name= "ucmquery", .session= AFB_SESSION_NONE, .callback= alsaUseCaseQuery,.info= "Use Case Query" }, - { .name= "ucmset", .session= AFB_SESSION_NONE, .callback= alsaUseCaseSet, .info= "Use Case Set" }, - { .name= "ucmget", .session= AFB_SESSION_NONE, .callback= alsaUseCaseGet, .info= "Use Case Get" }, - { .name= "ucmreset", .session= AFB_SESSION_NONE, .callback= alsaUseCaseReset,.info= "Use Case Reset to Default" }, - { .name= "ucmclose", .session= AFB_SESSION_NONE, .callback= alsaUseCaseClose,.info= "Use Case Close Manager" }, - { .name= NULL } /* marker for end of the array */ -}; - -/* - * description of the binding for afb-daemon - */ -static const struct afb_binding binding_description = { - /* description conforms to VERSION 1 */ - .type= AFB_BINDING_VERSION_1, - .v1= { - .prefix= "alsacore", - .info= "Low Level Interface to Alsa Sound Lib", - .verbs = binding_verbs - } -}; - -extern int afbBindingV1ServiceInit(struct afb_service service) { - // this is call when after all bindings are loaded - // alsaLibInit (service); // AlsaBinding check for sound card at installation time - return (0); -}; - -/* - * activation function for registering the binding called by afb-daemon - */ -const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) { - afbIface= itf; - - return &binding_description; /* returns the description of the binding */ -} - diff --git a/AlsaSound/CoreBinding/AlsaCoreBinding.h b/AlsaSound/CoreBinding/AlsaCoreBinding.h deleted file mode 100644 index 2852384..0000000 --- a/AlsaSound/CoreBinding/AlsaCoreBinding.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * AlsaLibMapping -- provide low level interface with ALSA lib (extracted from alsa-json-gateway code) - * Copyright (C) 2015,2016,2017, 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. - */ - - -#ifndef ALSALIBMAPPING_H -#define ALSALIBMAPPING_H - -#include "AudioCommonLib.h" - - -typedef enum { - ACTION_SET, - ACTION_GET -} ActionSetGetT; - -// generic structure to pass parsed query values -typedef struct { - const char *devid; - json_object *jNumIds; - int quiet; - int count; -} queryValuesT; - -// import from AlsaAfbBinding -extern const struct afb_binding_interface *afbIface; -PUBLIC int alsaCheckQuery (struct afb_req request, queryValuesT *queryValues); - -// AlseCoreSetGet exports -PUBLIC void alsaGetInfo (struct afb_req request); -PUBLIC void alsaGetCtls(struct afb_req request); -PUBLIC void alsaSetCtls(struct afb_req request); -PUBLIC void alsaSubcribe (struct afb_req request); -PUBLIC void alsaGetCardId (struct afb_req request); -PUBLIC void alsaRegisterHal (struct afb_req request); - -// AlsaUseCase exports -PUBLIC void alsaUseCaseQuery(struct afb_req request); -PUBLIC void alsaUseCaseSet(struct afb_req request); -PUBLIC void alsaUseCaseGet(struct afb_req request); -PUBLIC void alsaUseCaseClose(struct afb_req request); -PUBLIC void alsaUseCaseReset(struct afb_req request); - - - -#endif /* ALSALIBMAPPING_H */ - diff --git a/AlsaSound/CoreBinding/AlsaCtlSetGet.c b/AlsaSound/CoreBinding/AlsaCtlSetGet.c deleted file mode 100644 index a41e390..0000000 --- a/AlsaSound/CoreBinding/AlsaCtlSetGet.c +++ /dev/null @@ -1,1084 +0,0 @@ -/* - * AlsaLibMapping -- provide low level interface with ALSA lib (extracted from alsa-json-gateway code) - * Copyright (C) 2015,2016,2017, 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. - - References: - https://github.com/fulup-bzh/AlsaJsonGateway (original code) - http://alsa-lib.sourcearchive.com/documentation/1.0.20/modules.html - http://alsa-lib.sourcearchive.com/documentation/1.0.8/group__Control_gd48d44da8e3bfe150e928267008b8ff5.html - http://alsa.opensrc.org/HowTo_access_a_mixer_control - https://github.com/gch1p/alsa-volume-monitor/blob/master/main.c - https://github.com/DongheonKim/android_hardware_alsa-sound/blob/master/ALSAControl.cpp (ALSA low level API) - -*/ - -#define _GNU_SOURCE // needed for vasprintf - -#include <alsa/asoundlib.h> -#include "AlsaCoreBinding.h" -#include <systemd/sd-event.h> - - - -// use to store crl numid user request -typedef struct { - unsigned int numId; - json_object *jToken; - json_object *jValues; - int used; -} ctlRequestT; - -// generic sndctrl event handle hook to event callback when pooling -typedef struct { - struct pollfd pfds; - sd_event_source *src; - snd_ctl_t *ctlDev; - int quiet; - struct afb_event afbevt; -} evtHandleT; - -typedef struct { - int ucount; - int cardId; - evtHandleT *evtHandle; -} sndHandleT; - -typedef struct { - char *apiprefix; - char *shortname; -}cardRegistryT; - -cardRegistryT *cardRegistry[MAX_SND_CARD+1]; - -PUBLIC void NumidsListParse (queryValuesT *queryValues, ctlRequestT *ctlRequest) { - json_object *jValues; - int length; - - for (int idx=0; idx < queryValues->count; idx ++) { - ctlRequest[idx].jToken = json_object_array_get_idx (queryValues->jNumIds, idx); - ctlRequest[idx].jValues = NULL; - ctlRequest[idx].used=0; - - enum json_type jtype=json_object_get_type(ctlRequest[idx].jToken); - switch (jtype) { - json_object *jId, *jVal; - - case json_type_int: - // if NUMID is not an array then it should be an integer numid with no value - ctlRequest[idx].numId = json_object_get_int (ctlRequest[idx].jToken); - break; - - case json_type_array: - // NUMID is an array 1st slot should be numid, optionally values may come after - length=json_object_array_length (ctlRequest[idx].jToken); - if (length < 1 || length >2) { - ctlRequest[idx].used=-1; - continue; - } - - ctlRequest[idx].numId =json_object_get_int(json_object_array_get_idx (ctlRequest[idx].jToken, 0)); - - if (length == 2) { - jValues = json_object_array_get_idx (ctlRequest[idx].jToken, 1); - if (jValues == NULL) { - ctlRequest[idx].used=-1; - continue; - } - // Value is an int or an array with potentially multiple subvalues - ctlRequest[idx].jValues = jValues; - } - break; - - case json_type_object: - // numid+values formated as {id:xxx, val:[aa,bb...,nn]} - if (!json_object_object_get_ex (ctlRequest[idx].jToken,"id", &jId) || !json_object_object_get_ex (ctlRequest[idx].jToken,"val",&jVal)) { - NOTICE (afbIface,"Invalid Json=%s missing 'id'|'val'", json_object_get_string(ctlRequest[idx].jToken)); - ctlRequest[idx].used=-1; - } else { - ctlRequest[idx].numId =json_object_get_int(jId); - ctlRequest[idx].jValues =jVal; - } - - - default: - ctlRequest[idx].used=-1; - } - } -} - -PUBLIC int alsaCheckQuery (struct afb_req request, queryValuesT *queryValues) { - - queryValues->devid = afb_req_value(request, "devid"); - if (queryValues->devid == NULL) goto OnErrorExit; - const char *numids; - json_object *jNumIds; - - const char *rqtQuiet = afb_req_value(request, "quiet"); - if (!rqtQuiet) queryValues->quiet=99; // default super quiet - else if (rqtQuiet && ! sscanf (rqtQuiet, "%d", &queryValues->quiet)) { - json_object *query = afb_req_json(request); - - afb_req_fail_f (request, "quiet-notinteger","Query=%s Quiet not integer &quiet=%s&", json_object_to_json_string(query), rqtQuiet); - goto OnErrorExit; - }; - - // no NumId is interpreted as ALL for get and error for set - numids = afb_req_value(request, "numids"); - if (numids == NULL) { - queryValues->count=0; - goto OnExit; - } - - jNumIds = json_tokener_parse(numids); - if (!jNumIds) { - afb_req_fail_f (request, "numids-notjson","numids=%s not a valid json entry", numids); - goto OnErrorExit; - }; - - enum json_type jtype= json_object_get_type(jNumIds); - switch (jtype) { - case json_type_array: - queryValues->jNumIds = jNumIds; - queryValues->count = json_object_array_length (jNumIds); - break; - - case json_type_int: - queryValues->count = 1; - queryValues->jNumIds = json_object_new_array (); - json_object_array_add (queryValues->jNumIds, jNumIds); - break; - - default: - afb_req_fail_f (request, "numid-notarray","NumId=%s NumId not valid JSON array", numids); - goto OnErrorExit; - } - -OnExit: - return 0; - -OnErrorExit: - return 1; -} - -STATIC json_object *DB2StringJsonOject (long dB) { - char label [20]; - if (dB < 0) { - snprintf(label, sizeof(label), "-%li.%02lidB", -dB / 100, -dB % 100); - } else { - snprintf(label, sizeof(label), "%li.%02lidB", dB / 100, dB % 100); - } - - // json function takes care of string copy - return (json_object_new_string (label)); -} - - -// Direct port from amixer TLV decode routine. This code is too complex for me. -// I hopefully did not break it when porting it. - -STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size) { - char label[20]; - unsigned int type = tlv[0]; - unsigned int size; - unsigned int idx = 0; - const char *chmap_type = NULL; - json_object * decodeTlvJson = json_object_new_object(); - - if (tlv_size < (unsigned int) (2 * sizeof (unsigned int))) { - printf("TLV size error!\n"); - return NULL; - } - type = tlv[idx++]; - size = tlv[idx++]; - tlv_size -= (unsigned int) (2 * sizeof (unsigned int)); - if (size > tlv_size) { - fprintf(stderr, "TLV size error (%i, %i, %i)!\n", type, size, tlv_size); - return NULL; - } - switch (type) { - - case SND_CTL_TLVT_CONTAINER: - { - json_object * containerJson = json_object_new_array(); - - size += (unsigned int) (sizeof (unsigned int) - 1); - size /= (unsigned int) (sizeof (unsigned int)); - while (idx < size) { - json_object *embedJson; - - if (tlv[idx + 1] > (size - idx) * sizeof (unsigned int)) { - fprintf(stderr, "TLV size error in compound!\n"); - return NULL; - } - embedJson = decodeTlv(tlv + idx, tlv[idx + 1] + 8); - json_object_array_add(containerJson, embedJson); - idx += (unsigned int) (2 + (tlv[idx + 1] + sizeof (unsigned int) - 1) / sizeof (unsigned int)); - } - json_object_object_add(decodeTlvJson, "container", containerJson); - break; - } - - case SND_CTL_TLVT_DB_SCALE: - { - json_object * dbscaleJson = json_object_new_object(); - - if (size != 2 * sizeof (unsigned int)) { - json_object * arrayJson = json_object_new_array(); - while (size > 0) { - snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]); - json_object_array_add(arrayJson, json_object_new_string(label)); - size -= (unsigned int) sizeof (unsigned int); - } - json_object_object_add(dbscaleJson, "array", arrayJson); - } else { - json_object_object_add(dbscaleJson, "min", DB2StringJsonOject((int) tlv[2])); - json_object_object_add(dbscaleJson, "step", DB2StringJsonOject(tlv[3] & 0xffff)); - json_object_object_add(dbscaleJson, "mute", DB2StringJsonOject((tlv[3] >> 16) & 1)); - } - json_object_object_add(decodeTlvJson, "dbscale", dbscaleJson); - break; - } - -#ifdef SND_CTL_TLVT_DB_LINEAR - case SND_CTL_TLVT_DB_LINEAR: - { - json_object * dbLinearJson = json_object_new_object(); - - if (size != 2 * sizeof (unsigned int)) { - json_object * arrayJson = json_object_new_array(); - while (size > 0) { - snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]); - json_object_array_add(arrayJson, json_object_new_string(label)); - size -= (unsigned int) sizeof (unsigned int); - } - json_object_object_add(dbLinearJson, "offset", arrayJson); - } else { - json_object_object_add(dbLinearJson, "min", DB2StringJsonOject((int) tlv[2])); - json_object_object_add(dbLinearJson, "max", DB2StringJsonOject((int) tlv[3])); - } - json_object_object_add(decodeTlvJson, "dblinear", dbLinearJson); - break; - } -#endif - -#ifdef SND_CTL_TLVT_DB_RANGE - case SND_CTL_TLVT_DB_RANGE: - { - json_object *dbRangeJson = json_object_new_object(); - - if ((size % (6 * sizeof (unsigned int))) != 0) { - json_object *arrayJson = json_object_new_array(); - while (size > 0) { - snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]); - json_object_array_add(arrayJson, json_object_new_string(label)); - size -= (unsigned int) sizeof (unsigned int); - } - json_object_object_add(dbRangeJson, "dbrange", arrayJson); - break; - } - while (size > 0) { - json_object * embedJson = json_object_new_object(); - snprintf(label, sizeof (label), "%i,", tlv[idx++]); - json_object_object_add(embedJson, "rangemin", json_object_new_string(label)); - snprintf(label, sizeof (label), "%i", tlv[idx++]); - json_object_object_add(embedJson, "rangemax", json_object_new_string(label)); - embedJson = decodeTlv(tlv + idx, 4 * sizeof (unsigned int)); - json_object_object_add(embedJson, "tlv", embedJson); - idx += 4; - size -= (unsigned int) (6 * sizeof (unsigned int)); - json_object_array_add(dbRangeJson, embedJson); - } - json_object_object_add(decodeTlvJson, "dbrange", dbRangeJson); - break; - } -#endif -#ifdef SND_CTL_TLVT_DB_MINMAX - case SND_CTL_TLVT_DB_MINMAX: - case SND_CTL_TLVT_DB_MINMAX_MUTE: - { - json_object * dbMinMaxJson = json_object_new_object(); - - if (size != 2 * sizeof (unsigned int)) { - json_object * arrayJson = json_object_new_array(); - while (size > 0) { - snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]); - json_object_array_add(arrayJson, json_object_new_string(label)); - size -= (unsigned int) sizeof (unsigned int); - } - json_object_object_add(dbMinMaxJson, "array", arrayJson); - - } else { - json_object_object_add(dbMinMaxJson, "min", DB2StringJsonOject((int) tlv[2])); - json_object_object_add(dbMinMaxJson, "max", DB2StringJsonOject((int) tlv[3])); - } - - if (type == SND_CTL_TLVT_DB_MINMAX_MUTE) { - json_object_object_add(decodeTlvJson, "dbminmaxmute", dbMinMaxJson); - } else { - json_object_object_add(decodeTlvJson, "dbminmax", dbMinMaxJson); - } - break; - } -#endif -#ifdef SND_CTL_TLVT_CHMAP_FIXED - case SND_CTL_TLVT_CHMAP_FIXED: - chmap_type = "fixed"; - /* Fall through */ - case SND_CTL_TLVT_CHMAP_VAR: - if (!chmap_type) - chmap_type = "variable"; - /* Fall through */ - case SND_CTL_TLVT_CHMAP_PAIRED: - if (!chmap_type) - chmap_type = "paired"; - - json_object * chmapJson = json_object_new_object(); - json_object * arrayJson = json_object_new_array(); - - while (size > 0) { - snprintf(label, sizeof (label), "%s", snd_pcm_chmap_name(tlv[idx++])); - size -= (unsigned int) sizeof (unsigned int); - json_object_array_add(arrayJson, json_object_new_string(label)); - } - json_object_object_add(chmapJson, chmap_type, arrayJson); - json_object_object_add(decodeTlvJson, "chmap", chmapJson); - break; -#endif - default: - { - printf("unk-%i-", type); - json_object * arrayJson = json_object_new_array(); - - while (size > 0) { - snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]); - size -= (unsigned int) sizeof (unsigned int); - json_object_array_add(arrayJson, json_object_new_string(label)); - } - break; - json_object_object_add(decodeTlvJson, "unknown", arrayJson); - } - } - - return (decodeTlvJson); -} - - -// retreive info for one given card -STATIC json_object* alsaCardProbe (const char *rqtSndId) { - const char *info, *name; - const char *devid, *driver; - json_object *ctlDev; - snd_ctl_t *handle; - snd_ctl_card_info_t *cardinfo; - int err; - - if ((err = snd_ctl_open(&handle, rqtSndId, 0)) < 0) { - INFO (afbIface, "SndCard [%s] Not Found", rqtSndId); - return NULL; - } - - snd_ctl_card_info_alloca(&cardinfo); - if ((err = snd_ctl_card_info(handle, cardinfo)) < 0) { - snd_ctl_close(handle); - WARNING (afbIface, "SndCard [%s] info error: %s", rqtSndId, snd_strerror(err)); - return NULL; - } - - // start a new json object to store card info - ctlDev = json_object_new_object(); - - devid= snd_ctl_card_info_get_id(cardinfo); - json_object_object_add (ctlDev, "devid" , json_object_new_string(devid)); - name = snd_ctl_card_info_get_name(cardinfo); - json_object_object_add (ctlDev, "name", json_object_new_string (name)); - - if (afbIface->verbosity > 1) { - json_object_object_add (ctlDev, "devid", json_object_new_string(rqtSndId)); - driver= snd_ctl_card_info_get_driver(cardinfo); - json_object_object_add (ctlDev, "driver" , json_object_new_string(driver)); - info = strdup(snd_ctl_card_info_get_longname (cardinfo)); - json_object_object_add (ctlDev, "info" , json_object_new_string (info)); - INFO (afbIface, "AJG: Soundcard Devid=%-5s devid=%-7s Name=%s\n", rqtSndId, devid, info); - } - - // free card handle and return info - snd_ctl_close(handle); - return (ctlDev); -} - -// Loop on every potential Sound card and register active one -PUBLIC void alsaGetInfo (struct afb_req request) { - int card; - json_object *ctlDev, *ctlDevs; - char devid[32]; - - const char *rqtSndId = afb_req_value(request, "devid"); - - // if no specific card requested loop on all - - if (rqtSndId != NULL) { - // only one card was requested let's probe it - ctlDev = alsaCardProbe (rqtSndId); - if (ctlDev != NULL) afb_req_success(request, ctlDev, NULL); - else afb_req_fail_f (request, "sndscard-notfound", "SndCard [%s] Not Found", rqtSndId); - - } else { - // return an array of ctlDev - ctlDevs =json_object_new_array(); - - // loop on potential card number - for (card =0; card < MAX_SND_CARD; card++) { - - // build card devid and probe it - snprintf (devid, sizeof(devid), "hw:%i", card); - ctlDev = alsaCardProbe (devid); - - // Alsa has hole within card list [ignore them] - if (ctlDev != NULL) { - // add current ctlDev to ctlDevs object - json_object_array_add (ctlDevs, ctlDev); - } - } - afb_req_success (request, ctlDevs, NULL); - } -} - -// pack Alsa element's ACL into a JSON object -STATIC json_object *getControlAcl (snd_ctl_elem_info_t *info) { - - json_object * jsonAclCtl = json_object_new_object(); - - json_object_object_add (jsonAclCtl, "read" , json_object_new_boolean(snd_ctl_elem_info_is_readable(info))); - json_object_object_add (jsonAclCtl, "write" , json_object_new_boolean(snd_ctl_elem_info_is_writable(info))); - json_object_object_add (jsonAclCtl, "inact" , json_object_new_boolean(snd_ctl_elem_info_is_inactive(info))); - json_object_object_add (jsonAclCtl, "volat" , json_object_new_boolean(snd_ctl_elem_info_is_volatile(info))); - json_object_object_add (jsonAclCtl, "lock" , json_object_new_boolean(snd_ctl_elem_info_is_locked(info))); - - // if TLV is readable we insert its ACL - if (!snd_ctl_elem_info_is_tlv_readable(info)) { - json_object * jsonTlv = json_object_new_object(); - - json_object_object_add (jsonTlv, "read" , json_object_new_boolean(snd_ctl_elem_info_is_tlv_readable(info))); - json_object_object_add (jsonTlv, "write" , json_object_new_boolean(snd_ctl_elem_info_is_tlv_writable(info))); - json_object_object_add (jsonTlv, "command", json_object_new_boolean(snd_ctl_elem_info_is_tlv_commandable(info))); - - json_object_object_add (jsonAclCtl, "tlv", jsonTlv); - } - return (jsonAclCtl); -} - -// process ALSA control and store resulting value into ctlRequest -STATIC int alsaSetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest) { - snd_ctl_elem_value_t *elemData; - snd_ctl_elem_info_t *elemInfo; - int count, length, err, valueIsArray; - - // let's make sure we are processing the right control - if (ctlRequest->numId != snd_ctl_elem_id_get_numid (elemId)) goto OnErrorExit; - - // set info event ID and get value - snd_ctl_elem_info_alloca(&elemInfo); - snd_ctl_elem_info_set_id(elemInfo, elemId); // map ctlInfo to ctlId elemInfo is updated !!! - if (snd_ctl_elem_info(ctlDev, elemInfo) < 0) { - NOTICE (afbIface, "Fail to load ALSA NUMID=%d Values=[%s]", ctlRequest->numId, json_object_to_json_string(ctlRequest->jValues)); - goto OnErrorExit; - } - - snd_ctl_elem_info_get_id(elemInfo, elemId); // map ctlInfo to ctlId elemInfo is updated !!! - if (!snd_ctl_elem_info_is_writable(elemInfo)) { - NOTICE (afbIface, "Not Writable ALSA NUMID=%d Values=[%s]", ctlRequest->numId, json_object_to_json_string(ctlRequest->jValues)); - goto OnErrorExit; - } - - count = snd_ctl_elem_info_get_count (elemInfo); - if (count == 0) goto OnErrorExit; - - enum json_type jtype= json_object_get_type(ctlRequest->jValues); - switch (jtype) { - case json_type_array: - length = json_object_array_length (ctlRequest->jValues); - valueIsArray=1; - break; - case json_type_int: - length=1; - valueIsArray=0; - break; - default: - count =0; - break; - } - - - if (count == 0 || count < length) { - NOTICE (afbIface, "Invalid values NUMID='%d' Values='%s' count='%d' wanted='%d'", ctlRequest->numId, json_object_to_json_string(ctlRequest->jValues), length, count); - goto OnErrorExit; - } - - snd_ctl_elem_value_alloca(&elemData); - snd_ctl_elem_value_set_id(elemData, elemId); // map ctlInfo to ctlId elemInfo is updated !!! - if (snd_ctl_elem_read(ctlDev, elemData) < 0) goto OnErrorExit; - - // Loop on every control value and push to sndcard - for (int index=0; index < count && index < length; index++) { - json_object *element; - int value; - - if (valueIsArray) element= json_object_array_get_idx(ctlRequest->jValues, index); - else element= ctlRequest->jValues; - - value= json_object_get_int (element); - snd_ctl_elem_value_set_integer(elemData, index, value); - } - - err = snd_ctl_elem_write(ctlDev, elemData); - if (err < 0) { - NOTICE (afbIface, "Fail to write ALSA NUMID=%d Values=[%s] Error=%s", ctlRequest->numId, json_object_to_json_string(ctlRequest->jValues), snd_strerror(err)); - goto OnErrorExit; - } - - ctlRequest->used=1; - return 0; - - OnErrorExit: - ctlRequest->used=-1; - return -1; -} - -// process ALSA control and store then into ctlRequest -STATIC int alsaGetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest, int quiet) { - snd_ctl_elem_type_t elemType; - snd_ctl_elem_value_t *elemData; - snd_ctl_elem_info_t *elemInfo; - int count, idx, err; - - - // set info event ID and get value - - snd_ctl_elem_info_alloca(&elemInfo); - snd_ctl_elem_info_set_id(elemInfo, elemId); // map ctlInfo to ctlId elemInfo is updated !!! - if (snd_ctl_elem_info(ctlDev, elemInfo) < 0) goto OnErrorExit; - count = snd_ctl_elem_info_get_count (elemInfo); - if (count == 0) goto OnErrorExit; - - snd_ctl_elem_info_get_id(elemInfo, elemId); // map ctlInfo to ctlId elemInfo is updated !!! - if (!snd_ctl_elem_info_is_readable(elemInfo)) goto OnErrorExit; - elemType = snd_ctl_elem_info_get_type(elemInfo); - - snd_ctl_elem_value_alloca(&elemData); - snd_ctl_elem_value_set_id(elemData, elemId); // map ctlInfo to ctlId elemInfo is updated !!! - if (snd_ctl_elem_read(ctlDev, elemData) < 0) goto OnErrorExit; - - int numid= snd_ctl_elem_info_get_numid(elemInfo); - - ctlRequest->jValues= json_object_new_object(); - json_object_object_add (ctlRequest->jValues,"id" , json_object_new_int(numid)); - if (quiet < 2) json_object_object_add (ctlRequest->jValues,"name" , json_object_new_string(snd_ctl_elem_id_get_name (elemId))); - if (quiet < 1) json_object_object_add (ctlRequest->jValues,"iface" , json_object_new_string(snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(elemId)))); - if (quiet < 3) json_object_object_add (ctlRequest->jValues,"actif", json_object_new_boolean(!snd_ctl_elem_info_is_inactive(elemInfo))); - - json_object *jsonValuesCtl = json_object_new_array(); - for (idx = 0; idx < count; idx++) { // start from one in amixer.c !!! - switch (elemType) { - case SND_CTL_ELEM_TYPE_BOOLEAN: { - json_object_array_add (jsonValuesCtl, json_object_new_boolean (snd_ctl_elem_value_get_boolean(elemData, idx))); - break; - } - case SND_CTL_ELEM_TYPE_INTEGER: - json_object_array_add (jsonValuesCtl, json_object_new_int ((int)snd_ctl_elem_value_get_integer(elemData, idx))); - break; - case SND_CTL_ELEM_TYPE_INTEGER64: - json_object_array_add (jsonValuesCtl, json_object_new_int64 (snd_ctl_elem_value_get_integer64(elemData, idx))); - break; - case SND_CTL_ELEM_TYPE_ENUMERATED: - json_object_array_add (jsonValuesCtl, json_object_new_int (snd_ctl_elem_value_get_enumerated(elemData, idx))); - break; - case SND_CTL_ELEM_TYPE_BYTES: - json_object_array_add (jsonValuesCtl, json_object_new_int ((int)snd_ctl_elem_value_get_byte(elemData, idx))); - break; - case SND_CTL_ELEM_TYPE_IEC958: { - json_object *jsonIec958Ctl = json_object_new_object(); - snd_aes_iec958_t iec958; - snd_ctl_elem_value_get_iec958(elemData, &iec958); - - json_object_object_add (jsonIec958Ctl,"AES0",json_object_new_int(iec958.status[0])); - json_object_object_add (jsonIec958Ctl,"AES1",json_object_new_int(iec958.status[1])); - json_object_object_add (jsonIec958Ctl,"AES2",json_object_new_int(iec958.status[2])); - json_object_object_add (jsonIec958Ctl,"AES3",json_object_new_int(iec958.status[3])); - json_object_array_add (jsonValuesCtl, jsonIec958Ctl); - break; - } - default: - json_object_array_add (jsonValuesCtl, json_object_new_string ("?unknown?")); - break; - } - } - json_object_object_add (ctlRequest->jValues,"val",jsonValuesCtl); - - if (!quiet) { // in simple mode do not print usable values - json_object *jsonClassCtl = json_object_new_object(); - json_object_object_add (jsonClassCtl,"type" , json_object_new_string(snd_ctl_elem_type_name(elemType))); - json_object_object_add (jsonClassCtl,"count", json_object_new_int(count)); - - switch (elemType) { - case SND_CTL_ELEM_TYPE_INTEGER: - json_object_object_add (jsonClassCtl,"min", json_object_new_int((int)snd_ctl_elem_info_get_min(elemInfo))); - json_object_object_add (jsonClassCtl,"max", json_object_new_int((int)snd_ctl_elem_info_get_max(elemInfo))); - json_object_object_add (jsonClassCtl,"step", json_object_new_int((int)snd_ctl_elem_info_get_step(elemInfo))); - break; - case SND_CTL_ELEM_TYPE_INTEGER64: - json_object_object_add (jsonClassCtl,"min", json_object_new_int64(snd_ctl_elem_info_get_min64(elemInfo))); - json_object_object_add (jsonClassCtl,"max", json_object_new_int64(snd_ctl_elem_info_get_max64(elemInfo))); - json_object_object_add (jsonClassCtl,"step", json_object_new_int64(snd_ctl_elem_info_get_step64(elemInfo))); - break; - case SND_CTL_ELEM_TYPE_ENUMERATED: { - unsigned int item, items = snd_ctl_elem_info_get_items(elemInfo); - json_object *jsonEnum = json_object_new_array(); - - for (item = 0; item < items; item++) { - snd_ctl_elem_info_set_item(elemInfo, item); - if ((err = snd_ctl_elem_info(ctlDev, elemInfo)) >= 0) { - json_object_array_add (jsonEnum, json_object_new_string(snd_ctl_elem_info_get_item_name(elemInfo))); - } - } - json_object_object_add (jsonClassCtl, "enums",jsonEnum); - break; - } - default: break; // ignore any unknown type - } - - // add collected class info with associated ACLs - json_object_object_add (ctlRequest->jValues,"ctrl", jsonClassCtl); - json_object_object_add (ctlRequest->jValues,"acl" , getControlAcl (elemInfo)); - - // check for tlv [direct port from amixer.c] - if (snd_ctl_elem_info_is_tlv_readable(elemInfo)) { - unsigned int *tlv; - tlv = malloc(4096); - if ((err = snd_ctl_elem_info(ctlDev, elemInfo)) < 0) { - fprintf (stderr, "Control %s element TLV read error\n", snd_strerror(err)); - free(tlv); - } else { - json_object_object_add (ctlRequest->jValues,"tlv", decodeTlv (tlv, 4096)); - } - } - } - ctlRequest->used=1; - return 0; - - OnErrorExit: - ctlRequest->used=-1; - return -1; -} - -// assign multiple control to the same value -PUBLIC void alsaSetGetCtls (struct afb_req request, ActionSetGetT action) { - ctlRequestT *ctlRequest; - const char *warmsg=NULL; - int err=0, status=0; - unsigned int ctlCount; - snd_ctl_t *ctlDev; - snd_ctl_elem_list_t *ctlList; - json_object *sndctls=json_object_new_array();; - queryValuesT queryValues; - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - - if ((err = snd_ctl_open(&ctlDev, queryValues.devid, 0)) < 0) { - afb_req_fail_f (request, "sndcrl-notfound","devid=[%s] load fail error=%s\n", queryValues.devid, snd_strerror(err)); - goto OnErrorExit; - } - - snd_ctl_elem_list_alloca(&ctlList); - if ((err = snd_ctl_elem_list (ctlDev, ctlList)) < 0) { - afb_req_fail_f (request, "listInit-failed","devid=[%s] load fail error=%s\n", queryValues.devid, snd_strerror(err)); - goto OnErrorExit; - } - - if ((err = snd_ctl_elem_list_alloc_space(ctlList, snd_ctl_elem_list_get_count(ctlList))) < 0) { - afb_req_fail_f (request, "listAlloc-failed","devid=[%s] load fail error=%s\n", queryValues.devid, snd_strerror(err)); - goto OnErrorExit; - } - - if ((err = snd_ctl_elem_list (ctlDev, ctlList)) < 0) { - afb_req_fail_f (request, "listOpen-failed","devid=[%s] load fail error=%s\n", queryValues.devid, snd_strerror(err)); - goto OnErrorExit; - } - - // Parse numids string (empty == all) - ctlCount= snd_ctl_elem_list_get_used(ctlList); - if (queryValues.count==0) { - ctlRequest= alloca (sizeof(ctlRequestT)*(ctlCount)); - } else { - ctlRequest= alloca (sizeof(ctlRequestT)*(queryValues.count)); - NumidsListParse (&queryValues, ctlRequest); - } - - // Loop on all ctlDev controls - for (int ctlIndex=0; ctlIndex < ctlCount; ctlIndex++) { - unsigned int selected=0; - int jdx; - - if (queryValues.count == 0 && action == ACTION_GET) { - selected=1; // check is this numid is selected within query - jdx = ctlIndex; // map all existing ctl as requested - } else { - int numid = snd_ctl_elem_list_get_numid(ctlList, ctlIndex); - if (numid < 0) { - NOTICE (afbIface,"snd_ctl_elem_list_get_numid index=%d fail", ctlIndex); - continue; - } - // check if current control was requested in query numids list - for (jdx=0; jdx < queryValues.count; jdx++) { - if (numid == ctlRequest[jdx].numId) { - selected = 1; - break; - } - } - } - - // control is selected open ctlid and get value - if (selected) { - snd_ctl_elem_id_t *elemId; - snd_ctl_elem_id_alloca(&elemId); - - snd_ctl_elem_list_get_id (ctlList, ctlIndex, elemId); - switch (action) { - case ACTION_GET: - err = alsaGetSingleCtl (ctlDev, elemId, &ctlRequest[jdx], queryValues.quiet); - break; - - case ACTION_SET: - err = alsaSetSingleCtl (ctlDev, elemId, &ctlRequest[jdx]); - - default: - err = 1; - } - if (err) status++; - else { - json_object_array_add (sndctls, ctlRequest[jdx].jValues); - } - } - } - - // if we had error let's add them into response message info - json_object *warnings = json_object_new_array(); - for (int jdx=0; jdx < queryValues.count; jdx++) { - if (ctlRequest[jdx].used <= 0) { - json_object *failctl = json_object_new_object(); - json_object_object_add (failctl, "numid", ctlRequest[jdx].jToken); - if (ctlRequest[jdx].jValues) - json_object_object_add(failctl, "values", ctlRequest[jdx].jValues); - - if (ctlRequest[jdx].numId == -1) json_object_object_add (failctl, "info", json_object_new_string ("Invalid NumID")); - else { - if (ctlRequest[jdx].used == 0) json_object_object_add (failctl, "info", json_object_new_string ("Does Not Exist")); - if (ctlRequest[jdx].used == -1) json_object_object_add (failctl, "info", json_object_new_string ("Invalid Value")); - } - json_object_array_add (warnings, failctl); - } - /* WARNING!!!! Check with Jose why following put free jValues - if (ctlRequest[jdx].jToken) json_object_put(ctlRequest[jdx].jToken); - if (ctlRequest[jdx].jValues) json_object_put(ctlRequest[jdx].jValues); - */ - } - - if (json_object_array_length(warnings)) warmsg=json_object_to_json_string_ext(warnings, JSON_C_TO_STRING_PLAIN); - else json_object_put(warnings); - - // send response+warning if any - afb_req_success (request, sndctls, warmsg); - snd_ctl_elem_list_clear(ctlList); - - OnErrorExit: - return; -} - -PUBLIC void alsaGetCtls (struct afb_req request) { - alsaSetGetCtls (request, ACTION_GET); -} - -PUBLIC void alsaSetCtls (struct afb_req request) { - alsaSetGetCtls (request, ACTION_SET); -} - - -// This routine is called when ALSA event are fired -STATIC int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void* userData) { - int err; - evtHandleT *evtHandle = (evtHandleT*)userData; - snd_ctl_event_t *eventId; - json_object *ctlEventJ; - unsigned int mask; - int iface; - int device; - int subdev; - const char*devname; - ctlRequestT ctlRequest; - snd_ctl_elem_id_t *elemId; - - if ((revents & EPOLLHUP) != 0) { - NOTICE (afbIface, "SndCtl hanghup [car disconnected]"); - goto ExitOnSucess; - } - - if ((revents & EPOLLIN) != 0) { - - // initialise event structure on stack - snd_ctl_event_alloca(&eventId); - snd_ctl_elem_id_alloca(&elemId); - - err = snd_ctl_read(evtHandle->ctlDev, eventId); - if (err < 0) goto OnErrorExit; - - // we only process sndctrl element - if (snd_ctl_event_get_type(eventId) != SND_CTL_EVENT_ELEM) goto ExitOnSucess; - - // we only process value changed events - mask = snd_ctl_event_elem_get_mask(eventId); - if (!(mask & SND_CTL_EVENT_MASK_VALUE)) goto ExitOnSucess; - - snd_ctl_event_elem_get_id (eventId, elemId); - - err = alsaGetSingleCtl (evtHandle->ctlDev, elemId, &ctlRequest, evtHandle->quiet); - if (err) goto OnErrorExit; - - iface = snd_ctl_event_elem_get_interface(eventId); - device = snd_ctl_event_elem_get_device(eventId); - subdev = snd_ctl_event_elem_get_subdevice(eventId); - devname= snd_ctl_event_elem_get_name(eventId); - - // proxy ctlevent as a binder event - ctlEventJ = json_object_new_object(); - json_object_object_add(ctlEventJ, "device" ,json_object_new_int (device)); - json_object_object_add(ctlEventJ, "subdev" ,json_object_new_int (subdev)); - if (evtHandle->quiet < 2) { - json_object_object_add(ctlEventJ, "iface" ,json_object_new_int (iface)); - json_object_object_add(ctlEventJ, "devname",json_object_new_string (devname)); - } - if (ctlRequest.jValues) (json_object_object_add(ctlEventJ, "values" ,ctlRequest.jValues)); - DEBUG(afbIface, "sndCtlEventCB=%s", json_object_get_string(ctlEventJ)); - afb_event_push(evtHandle->afbevt, ctlEventJ); - - } - - ExitOnSucess: - return 0; - - OnErrorExit: - WARNING (afbIface, "sndCtlEventCB: ignored unsupported event type"); - return (0); -} - -// Subscribe to every Alsa CtlEvent send by a given board -PUBLIC void alsaSubcribe (struct afb_req request) { - static sndHandleT sndHandles[MAX_SND_CARD]; - evtHandleT *evtHandle; - snd_ctl_t *ctlDev; - int err, idx, cardId, idxFree=-1; - snd_ctl_card_info_t *cardinfo; - queryValuesT queryValues; - - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - - // open control interface for devid - err = snd_ctl_open(&ctlDev, queryValues.devid, SND_CTL_READONLY); - if (err < 0) { - ctlDev=NULL; - afb_req_fail_f (request, "devid-unknown", "SndCard devid=%s Not Found err=%s", queryValues.devid, snd_strerror(err)); - goto OnErrorExit; - } - - snd_ctl_card_info_alloca(&cardinfo); - if ((err = snd_ctl_card_info(ctlDev, cardinfo)) < 0) { - afb_req_fail_f (request, "devid-invalid", "SndCard devid=%s Not Found err=%s", queryValues.devid, snd_strerror(err)); - goto OnErrorExit; - } - - cardId=snd_ctl_card_info_get_card(cardinfo); - - // search for an existing subscription and mark 1st free slot - for (idx= 0; idx < MAX_SND_CARD; idx ++) { - if (sndHandles[idx].ucount > 0 && cardId == sndHandles[idx].cardId) { - evtHandle= sndHandles[idx].evtHandle; - break; - } else if (idxFree == -1) idxFree= idx; - }; - - // if not subscription exist for the event let's create one - if (idx == MAX_SND_CARD) { - - // reach MAX_SND_CARD event registration - if (idxFree == -1) { - afb_req_fail_f (request, "register-toomany", "Cannot register new event Maxcard==%devent name=%s", idx); - goto OnErrorExit; - } - - evtHandle = malloc (sizeof(evtHandleT)); - evtHandle->ctlDev = ctlDev; - evtHandle->quiet = queryValues.quiet; - sndHandles[idxFree].ucount = 0; - sndHandles[idxFree].cardId = cardId; - sndHandles[idxFree].evtHandle = evtHandle; - - // subscribe for sndctl events attached to devid - err = snd_ctl_subscribe_events(evtHandle->ctlDev, 1); - if (err < 0) { - afb_req_fail_f (request, "subscribe-fail", "Cannot subscribe events from devid=%s err=%d", queryValues.devid, err); - goto OnErrorExit; - } - - // get pollfd attach to this sound board - snd_ctl_poll_descriptors(evtHandle->ctlDev, &evtHandle->pfds, 1); - - // register sound event to binder main loop - err = sd_event_add_io(afb_daemon_get_event_loop(afbIface->daemon), &evtHandle->src, evtHandle->pfds.fd, EPOLLIN, sndCtlEventCB, evtHandle); - if (err < 0) { - afb_req_fail_f (request, "register-mainloop", "Cannot hook events to mainloop devid=%s err=%d", queryValues.devid, err); - goto OnErrorExit; - } - - // create binder event attached to devid name - evtHandle->afbevt = afb_daemon_make_event (afbIface->daemon, queryValues.devid); - if (!afb_event_is_valid (evtHandle->afbevt)) { - afb_req_fail_f (request, "register-event", "Cannot register new binder event name=%s", queryValues.devid); - goto OnErrorExit; - } - - // everything looks OK let's move forward - idx=idxFree; - } - - // subscribe to binder event - err = afb_req_subscribe(request, evtHandle->afbevt); - if (err != 0) { - afb_req_fail_f (request, "register-eventname", "Cannot subscribe binder event name=%s [invalid channel]", queryValues.devid, err); - goto OnErrorExit; - } - - // increase usage count and return success - sndHandles[idx].ucount ++; - afb_req_success(request, NULL, NULL); - return; - - OnErrorExit: - if (ctlDev) snd_ctl_close(ctlDev); - return; -} - -// Subscribe to every Alsa CtlEvent send by a given board -PUBLIC void alsaGetCardId (struct afb_req request) { - char devid [10]; - const char *devname, *shortname, *longname; - int card, err, index, idx; - json_object *respJson; - snd_ctl_t *ctlDev; - snd_ctl_card_info_t *cardinfo; - - const char *sndname = afb_req_value(request, "sndname"); - if (sndname == NULL) { - afb_req_fail_f (request, "argument-missing", "sndname=SndCardName missing"); - goto OnErrorExit; - } - - // loop on potential card number - snd_ctl_card_info_alloca(&cardinfo); - for (card =0; card < MAX_SND_CARD; card++) { - - // build card devid and probe it - snprintf (devid, sizeof(devid), "hw:%i", card); - - // open control interface for devid - err = snd_ctl_open(&ctlDev, devid, SND_CTL_READONLY); - if (err < 0) continue; - - // extract sound card information - snd_ctl_card_info(ctlDev, cardinfo); - index = snd_ctl_card_info_get_card(cardinfo); - devname = snd_ctl_card_info_get_id(cardinfo); - shortname= snd_ctl_card_info_get_name(cardinfo); - longname = snd_ctl_card_info_get_longname(cardinfo); - - // check if short|long name match - if (!strcmp (sndname, devname)) break; - if (!strcmp (sndname, shortname)) break; - if (!strcmp (sndname, longname)) break; - } - - if (card == MAX_SND_CARD) { - afb_req_fail_f (request, "ctlDev-notfound", "Fail to find card with name=%s", sndname); - goto OnErrorExit; - } - - // proxy ctlevent as a binder event - respJson = json_object_new_object(); - json_object_object_add(respJson, "index" ,json_object_new_int (index)); - json_object_object_add(respJson, "devid" ,json_object_new_string (devid)); - json_object_object_add(respJson, "shortname" ,json_object_new_string (shortname)); - json_object_object_add(respJson, "longname" ,json_object_new_string (longname)); - - // search for a HAL binder card mapping name to api prefix - for (idx=0; idx < MAX_SND_CARD; idx++) { - if (!strcmp (cardRegistry[idx]->shortname, shortname)) break; - } - // if a match if found, then we have an HAL for this board let's return its value - if (idx < MAX_SND_CARD) json_object_object_add(respJson, "halapi",json_object_new_string (cardRegistry[idx]->apiprefix)); - - afb_req_success(request, respJson, NULL); - return; - - OnErrorExit: - return; -} - -// Register loaded HAL with board Name and API prefix -PUBLIC void alsaRegisterHal (struct afb_req request) { - static int index=0; - const char *shortname, *apiPrefix; - - apiPrefix = afb_req_value(request, "prefix"); - if (apiPrefix == NULL) { - afb_req_fail_f (request, "argument-missing", "prefix=BindingApiPrefix missing"); - goto OnErrorExit; - } - - shortname = afb_req_value(request, "name"); - if (shortname == NULL) { - afb_req_fail_f (request, "argument-missing", "sndname=SndCardName missing"); - goto OnErrorExit; - } - - if (index == MAX_SND_CARD) { - afb_req_fail_f (request, "alsahal-toomany", "Fail to register sndname=[%s]", shortname); - goto OnErrorExit; - } - - cardRegistry[index]= malloc (sizeof(cardRegistry)); - cardRegistry[index]->apiprefix=strdup(apiPrefix); - cardRegistry[index]->shortname=strdup(shortname); - index++;cardRegistry[index]=NULL; - - // when OK nothing to return - afb_req_success(request, NULL, NULL); - return; - - OnErrorExit: - return; -} - diff --git a/AlsaSound/CoreBinding/AlsaUseCase.c b/AlsaSound/CoreBinding/AlsaUseCase.c deleted file mode 100644 index 8e23e3c..0000000 --- a/AlsaSound/CoreBinding/AlsaUseCase.c +++ /dev/null @@ -1,433 +0,0 @@ -/* - * AlsaUseCase -- provide low level interface with ALSA lib (extracted from alsa-json-gateway code) - * Copyright (C) 2015,2016,2017, 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. - - References: - http://www.alsa-project.org/alsa-doc/alsa-lib/group__ucm.html - https://www.alsa-project.org/main/index.php/DAPM - http://alsa-lib.sourcearchive.com/documentation/1.0.24.1-2/group__Use_ga4332c6bb50481bbdaf21be11551fb930.html - https://android.googlesource.com/platform/hardware/qcom/audio/+/jb-mr1-dev/libalsa-intf/alsa_ucm.h - - Sample alsaucm commands using /usr/share/alsa/ucm/PandaBoard - - alsaucm -c PandaBoard list _verbs - - alsaucm -c PandaBoard list _devices/HiFi - - alsaucm -c PandaBoard list _modifiers/HiFi #need to uncomment modifiers section - - alsaucm -c PandaBoard list TQ/HiFi - - alsaucm -c PandaBoard get TQ/HiFi/Voice - - alsaucm -c PandaBoard get PlaybackPCM//HiFi - - alsaucm -c PandaBoard set _verb HiFi - - alsaucm -c PandaBoard set _verb HiFi _enadev Headset - - alsaucm -c 'HDA Intel PCH' set _verb HiFi set _enadev Headphone set _enamod RecordMedia - - alsaucm -c 'HDA Intel PCH' set _verb HiFi get OutputDspName// - -*/ -#define _GNU_SOURCE // needed for vasprintf - -#include <alsa/asoundlib.h> -#include "AlsaCoreBinding.h" -#include <alsa/asoundlib.h> -#include <alsa/use-case.h> - -typedef struct { - snd_use_case_mgr_t *ucm; - int cardId; - char *cardName; -} ucmHandleT; - -static ucmHandleT ucmHandles[MAX_SND_CARD]; - -// Cache opened UCM handles -STATIC int alsaUseCaseOpen (struct afb_req request, queryValuesT *queryValues, int allowNewMgr) { - snd_ctl_t *ctlDev; - snd_ctl_card_info_t *cardinfo; - snd_use_case_mgr_t *ucmHandle; - const char *cardName; - int cardId, idx, idxFree=-1, err; - - // open control interface for devid - err = snd_ctl_open(&ctlDev, queryValues->devid, SND_CTL_READONLY); - if (err < 0) { - ctlDev=NULL; - afb_req_fail_f (request, "devid-unknown", "SndCard devid=[%s] Not Found err=%d", queryValues->devid, err); - goto OnErrorExit; - } - - snd_ctl_card_info_alloca(&cardinfo); - if ((err = snd_ctl_card_info(ctlDev, cardinfo)) < 0) { - afb_req_fail_f (request, "devid-invalid", "SndCard devid=[%s] Not Found err=%s", queryValues->devid, snd_strerror(err)); - goto OnErrorExit; - } - - // search for an existing subscription and mark 1st free slot - cardId = snd_ctl_card_info_get_card(cardinfo); - for (idx= 0; idx < MAX_SND_CARD; idx ++) { - if (ucmHandles[idx].ucm != NULL) { - if (ucmHandles[idx].cardId == cardId) goto OnSuccessExit; - } else if (idxFree == -1) idxFree= idx; - }; - - if (!allowNewMgr) { - afb_req_fail_f (request, "ucm-nomgr", "SndCard devid=[%s] no exiting UCM manager session", queryValues->devid); - goto OnErrorExit; - } - - if (idxFree < 0 && idx == MAX_SND_CARD) { - afb_req_fail_f (request, "ucm-toomany", "SndCard devid=[%s] too many open UCM Max=%d", queryValues->devid, MAX_SND_CARD); - goto OnErrorExit; - } - - idx = idxFree; - cardName = snd_ctl_card_info_get_name(cardinfo); - err = snd_use_case_mgr_open(&ucmHandle, cardName); - if (err) { - afb_req_fail_f (request, "ucm-open", "SndCard devid=[%s] name=[%s] No UCM Profile err=%s", queryValues->devid, cardName, snd_strerror(err)); - goto OnErrorExit; - } - ucmHandles[idx].ucm = ucmHandle; - ucmHandles[idx].cardId = cardId; - ucmHandles[idx].cardName = strdup(cardName); - - OnSuccessExit: - if (ctlDev) snd_ctl_close(ctlDev); - return idx; - - OnErrorExit: - if (ctlDev) snd_ctl_close(ctlDev); - return -1; -} - - -PUBLIC void alsaUseCaseQuery(struct afb_req request) { - int err, verbCount, ucmIdx; - const char **verbList; - snd_use_case_mgr_t *ucmHandle; - queryValuesT queryValues; - json_object *ucmJs; - const char *cardName; - - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - ucmIdx = alsaUseCaseOpen (request, &queryValues, TRUE); - if (ucmIdx < 0) goto OnErrorExit; - ucmHandle = ucmHandles [ucmIdx].ucm; - cardName = ucmHandles [ucmIdx].cardName; - - verbCount = snd_use_case_get_list (ucmHandle, "_verbs", &verbList); - if (verbCount < 0) { - afb_req_fail_f (request, "ucm-list", "SndCard devid=[%s] name=[%s] No UCM Verbs", queryValues.devid, cardName); - goto OnErrorExit; - } - - ucmJs = json_object_new_array(); - for (int idx=0; idx < verbCount; idx +=2) { - int devCount, modCount, tqCount; - const char **devList, **modList, **tqList; - json_object *ucmJ = json_object_new_object(); - char identifier[32]; - - json_object_object_add (ucmJ, "verb", json_object_new_string(verbList[idx])); - if (verbList[idx+1]) json_object_object_add (ucmJ, "info", json_object_new_string(verbList[idx+1])); - - DEBUG (afbIface, "Verb[%d] Action=%s Info=%s", idx, verbList[idx], verbList[idx+1]); - - snprintf (identifier, sizeof(identifier), "_devices/%s", verbList[idx]); - devCount = snd_use_case_get_list (ucmHandle, identifier, &devList); - if (devCount > 0) { - json_object *devsJ = json_object_new_array(); - - for (int jdx=0; jdx < devCount; jdx+=2) { - json_object *devJ = json_object_new_object(); - DEBUG (afbIface, "device[%d] Action=%s Info=%s", jdx, devList[jdx], devList[jdx+1]); - json_object_object_add (devJ, "dev", json_object_new_string(devList[jdx])); - if (devList[jdx+1]) json_object_object_add (devJ, "info", json_object_new_string(devList[jdx+1])); - json_object_array_add (devsJ, devJ); - } - json_object_object_add(ucmJ,"devices", devsJ); - snd_use_case_free_list(devList, err); - } - - snprintf (identifier, sizeof(identifier), "_modifiers/%s", verbList[idx]); - modCount = snd_use_case_get_list (ucmHandle, identifier, &modList); - if (modCount > 0) { - json_object *modsJ = json_object_new_array(); - - for (int jdx=0; jdx < modCount; jdx+=2) { - json_object *modJ = json_object_new_object(); - DEBUG (afbIface, "modifier[%d] Action=%s Info=%s", jdx, modList[jdx], modList[jdx+1]); - json_object_object_add (modJ, "mod", json_object_new_string(modList[jdx])); - if (modList[jdx+1]) json_object_object_add (modJ, "info", json_object_new_string(modList[jdx+1])); - json_object_array_add (modsJ, modJ); - } - json_object_object_add(ucmJ,"modifiers", modsJ); - snd_use_case_free_list(modList, err); - } - - snprintf (identifier, sizeof(identifier), "TQ/%s", verbList[idx]); - tqCount = snd_use_case_get_list (ucmHandle, identifier, &tqList); - if (tqCount > 0) { - json_object *tqsJ = json_object_new_array(); - - for (int jdx=0; jdx < tqCount; jdx+=2) { - json_object *tqJ = json_object_new_object(); - DEBUG (afbIface, "toneqa[%d] Action=%s Info=%s", jdx, tqList[jdx], tqList[jdx+1]); - json_object_object_add (tqJ, "tq", json_object_new_string(tqList[jdx])); - if (tqList[jdx+1]) json_object_object_add (tqJ, "info", json_object_new_string(tqList[jdx+1])); - json_object_array_add (tqsJ, tqJ); - } - json_object_object_add(ucmJ,"tqs", tqsJ); - snd_use_case_free_list(tqList, err); - } - - json_object_array_add (ucmJs, ucmJ); - } - - afb_req_success (request, ucmJs, NULL); - snd_use_case_free_list(verbList, err); - - OnErrorExit: - return; -} - -STATIC json_object *ucmGetValue (ucmHandleT *ucmHandle, const char *verb, const char *mod, const char *label) { - char identifier[80]; - char *value; - int err; - json_object *jValue; - - // handle optional parameters - if (!mod) mod=""; - if (!verb) verb=""; - - if (!label) { - NOTICE (afbIface, "ucmGetValue cardname=[%s] value label missing", ucmHandle->cardName); - goto OnErrorExit; - } - - snprintf (identifier, sizeof(identifier), "%s/%s/%s", label, mod, verb); - err = snd_use_case_get (ucmHandle->ucm, identifier, (const char**)&value); // Note: value casting is a known "FEATURE" of AlsaUCM API - if (err) { - DEBUG (afbIface, "ucmGetValue cardname=[%s] identifier=[%s] error=%s", ucmHandle->cardName, identifier, snd_strerror (err)); - goto OnErrorExit; - } - - // copy value into json object and free string - jValue = json_object_new_string (value); - free (value); - return (jValue); - - OnErrorExit: - return (NULL); -} - -PUBLIC void alsaUseCaseGet (struct afb_req request) { - int err, ucmIdx, labelCount; - queryValuesT queryValues; - json_object *jResponse = json_object_new_object(); - json_object *jWarnings = json_object_new_array(); - const char *warnings=NULL; - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - ucmIdx = alsaUseCaseOpen (request, &queryValues, TRUE); - if (ucmIdx < 0) goto OnErrorExit; - - const char *cardName= ucmHandles[ucmIdx].cardName; - - const char *verb = afb_req_value(request, "verb"); - const char *mod = afb_req_value(request, "mod"); - const char *dev = afb_req_value(request, "dev"); - - if (dev && mod) { - afb_req_fail_f (request, "ucmget-labels", "SndCard devid=[%s] name=[%s] UCM mod+dev incompatible", queryValues.devid, cardName); - goto OnErrorExit; - } - - // device selection is handle as a modifier - if (dev) mod=dev; - - const char *labels = afb_req_value(request, "values"); - if (!labels) { - afb_req_fail_f (request, "ucmget-labels", "SndCard devid=[%s] name=[%s] UCM values name missing", queryValues.devid, cardName); - goto OnErrorExit; - } - - json_object *jLabels = json_tokener_parse(labels); - if (!jLabels) { - afb_req_fail_f (request, "ucmget-notjson","labels=%s not a valid json entry", labels); - goto OnErrorExit; - }; - - enum json_type jtype= json_object_get_type(jLabels); - switch (jtype) { - json_object *jTmp; - - case json_type_array: - labelCount = json_object_array_length (jLabels); - break; - - case json_type_string: - jTmp = json_object_new_array (); - labelCount = 1; - json_object_array_add (jTmp, jLabels); - jLabels=jTmp; - break; - - default: - afb_req_fail_f (request, "ucmget-notarray","labels=%s not valid JSON array", labels); - goto OnErrorExit; - } - - for (int idx=0; idx < labelCount; idx++) { - json_object *jValue, *jLabel; - const char *label ; - - jLabel= json_object_array_get_idx (jLabels, idx); - label= json_object_get_string (jLabel); - jValue = ucmGetValue (&ucmHandles[ucmIdx], verb, mod, label); - if (jValue) json_object_object_add (jResponse, label, jValue); - else { - json_object_array_add (jWarnings, jLabel); - } - } - - // use info section to notified not found values label - if (json_object_array_length (jWarnings) > 0) { - json_object *jTmp = json_object_new_object (); - json_object_object_add (jTmp, "no-context", jWarnings); - warnings= json_object_to_json_string (jTmp); - } - afb_req_success (request, jResponse, warnings); - - OnErrorExit: - return; -} - -PUBLIC void alsaUseCaseSet(struct afb_req request) { - int err, ucmIdx; - queryValuesT queryValues; - json_object *jResponse = json_object_new_object(); - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - ucmIdx = alsaUseCaseOpen (request, &queryValues, TRUE); - if (ucmIdx < 0) goto OnErrorExit; - - snd_use_case_mgr_t *ucmMgr= ucmHandles[ucmIdx].ucm; - const char *cardName= ucmHandles[ucmIdx].cardName; - - const char *verb = afb_req_value(request, "verb"); - const char *mod = afb_req_value(request, "mod"); - const char *dev = afb_req_value(request, "dev"); - // Known identifiers: _verb - set current verb = value _enadev - enable given device = value _disdev - disable given device = value _swdev/{old_device} - new_device = value - - if (verb) { - err = snd_use_case_set (ucmMgr, "_verb", verb); - if (err) { - afb_req_fail_f (request, "ucmset-verb", "SndCard devid=[%s] name=[%s] Invalid UCM verb=[%s] err=%s", queryValues.devid, cardName, verb, snd_strerror(err)); - goto OnErrorExit; - } - } - - if (dev) { - err = snd_use_case_set (ucmMgr, "_enadev", dev); - if (err) { - afb_req_fail_f (request, "ucmset-dev", "SndCard devid=[%s] name=[%s] Invalid UCMverb=[%s] dev=%s err=%s", queryValues.devid, cardName, verb, dev, snd_strerror(err)); - goto OnErrorExit; - } - } - - if (mod) { - err = snd_use_case_set (ucmMgr, "_enamod", mod); - if (err) { - afb_req_fail_f (request, "ucmset-mod", "SndCard devid=[%s] name=[%s] Invalid UCM verb=[%s] mod=[%s] err=%s", queryValues.devid, cardName, verb, mod, snd_strerror(err)); - goto OnErrorExit; - } - } - - // label are requested transfert request to get - if (afb_req_value(request, "values")) return alsaUseCaseGet(request); - - if (queryValues.quiet <= 3) { - json_object *jValue; - - jValue = ucmGetValue (&ucmHandles[ucmIdx], verb, dev, "OutputDspName"); - if (jValue) json_object_object_add (jResponse, "OutputDspName", jValue); - - jValue = ucmGetValue (&ucmHandles[ucmIdx], verb, dev, "PlaybackPCM"); - if (jValue) json_object_object_add (jResponse, "PlaybackPCM", jValue); - - jValue = ucmGetValue (&ucmHandles[ucmIdx], verb, mod, "CapturePCM"); - if (jValue) json_object_object_add (jResponse, "CapturePCM", jValue); - } - afb_req_success (request, jResponse, NULL); - - OnErrorExit: - return; -} - - - -PUBLIC void alsaUseCaseReset (struct afb_req request) { - int err, ucmIdx; - queryValuesT queryValues; - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - ucmIdx = alsaUseCaseOpen (request, &queryValues, FALSE); - if (ucmIdx < 0) goto OnErrorExit; - - err= snd_use_case_mgr_reset (ucmHandles[ucmIdx].ucm); - if (err) { - afb_req_fail_f (request, "ucmreset-fail","devid=%s Card Name=%s", queryValues.devid, ucmHandles[ucmIdx].cardName); - goto OnErrorExit; - } - - afb_req_success (request, NULL, NULL); - - OnErrorExit: - return; -} - -PUBLIC void alsaUseCaseClose (struct afb_req request) { - int err, ucmIdx; - queryValuesT queryValues; - - err = alsaCheckQuery (request, &queryValues); - if (err) goto OnErrorExit; - - ucmIdx = alsaUseCaseOpen (request, &queryValues, FALSE); - if (ucmIdx < 0) goto OnErrorExit; - - err= snd_use_case_mgr_close (ucmHandles[ucmIdx].ucm); - if (err) { - afb_req_fail_f (request, "ucmreset-close","devid=%s Card Name=%s", queryValues.devid, ucmHandles[ucmIdx].cardName); - goto OnErrorExit; - } - - // do not forget to release sound card name string - free (ucmHandles[ucmIdx].cardName); - - afb_req_success (request, NULL, NULL); - - OnErrorExit: - return; -} - - diff --git a/AlsaSound/CoreBinding/CMakeLists.txt b/AlsaSound/CoreBinding/CMakeLists.txt deleted file mode 100644 index e14432e..0000000 --- a/AlsaSound/CoreBinding/CMakeLists.txt +++ /dev/null @@ -1,36 +0,0 @@ -########################################################################### -# Copyright 2015, 2016, 2017 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. -########################################################################### - - -INCLUDE_DIRECTORIES(${include_dirs}) - -################################################## -# AlsaBinding -################################################## -ADD_LIBRARY(alsacore-afb MODULE AlsaCoreBinding.c AlsaCtlSetGet.c AlsaUseCase.c) - -SET_TARGET_PROPERTIES(alsacore-afb PROPERTIES - PREFIX "" - LINK_FLAGS "-Wl,--version-script=${CMAKE_SOURCE_DIR}/export.map" -) - -TARGET_LINK_LIBRARIES(alsacore-afb ${link_libraries}) -INSTALL(TARGETS alsacore-afb - LIBRARY DESTINATION ${binding_install_dir}) - - diff --git a/AlsaSound/CoreBinding/README.md b/AlsaSound/CoreBinding/README.md deleted file mode 100644 index a4b0395..0000000 --- a/AlsaSound/CoreBinding/README.md +++ /dev/null @@ -1,33 +0,0 @@ ------------------------------------------------------------------------- - AlsaCore Low level binding maps AlsaLib APIs ------------------------------------------------------------------------- - -Testing: (from project directory bindings) - * start binder: ~/opt/bin/afb-daemon --ldpaths=./build --token=mysecret --roothttp=htdocs - * connect browser on http://localhost:1234?devid=hw:0 - - # List Avaliable Sound cards - http://localhost:1234/api/alsacore/getinfo - - # Get Info on a given Sound Card - http://localhost:1234/api/alsacore/getinfo?devid=hw:0 - - # Get shortname/longname for a given card - http://localhost:1234/api/alsacore/getcardid?devid=hw:0 - - # Get all controls from a given sound card - http://localhost:1234/api/alsacore/getctl?devid=hw:0 - - # Get detail on a given control (optional quiet=0=verbose,1,2) - http://localhost:1234/api/alsacore/getctl?devid=hw:0&numid=1&quiet=0 - -# Debug event with afb-client-demo -``` - ~/opt/bin/afb-client-demo localhost:1234/api?token=mysecret - alsacore subscribe {"devid":"hw:0"} -``` - -# Open AlsaMixer and play with Volume -``` - alsamixer -D hw:0 -``` diff --git a/AlsaSound/HALayer/CMakeLists.txt b/AlsaSound/HALayer/CMakeLists.txt deleted file mode 100644 index 4601c79..0000000 --- a/AlsaSound/HALayer/CMakeLists.txt +++ /dev/null @@ -1,31 +0,0 @@ -########################################################################### -# Copyright 2015, 2016, 2017 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. -########################################################################### - -PROJECT(hadware-abstraction-layer C) - -SET(include_dirs ${CMAKE_CURRENT_SOURCE_DIR}/SharedHal ${include_dirs}) - -# Add ShareHalLib statically within each HAL bindings -SET(link_libraries - ${CMAKE_BINARY_DIR}/AlsaSound/HALayer/SharedHal/libsharedhal.a - ${link_libraries} -) - -ADD_SUBDIRECTORY(SharedHal) -ADD_SUBDIRECTORY(IntelHda) - diff --git a/AlsaSound/HALayer/IntelHda/CMakeLists.txt b/AlsaSound/HALayer/IntelHda/CMakeLists.txt deleted file mode 100644 index 89665e4..0000000 --- a/AlsaSound/HALayer/IntelHda/CMakeLists.txt +++ /dev/null @@ -1,36 +0,0 @@ -########################################################################### -# Copyright 2015, 2016, 2017 IoT.bzh -# -# author: Fulup Ar Foll <fulup@iot.bzh> -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -########################################################################### - - -INCLUDE_DIRECTORIES(${include_dirs}) - -################################################## -# Inte-HDA sound card Hardware Abstraction Layer -################################################## -ADD_LIBRARY(intel-hda-hal MODULE IntelHdaHAL.c ) - -SET_TARGET_PROPERTIES(intel-hda-hal PROPERTIES - PREFIX "" - LINK_FLAGS "-Wl,--version-script=${CMAKE_SOURCE_DIR}/export.map" -) - -TARGET_LINK_LIBRARIES(intel-hda-hal ${link_libraries}) -INSTALL(TARGETS intel-hda-hal - LIBRARY DESTINATION ${binding_install_dir}) - - diff --git a/AlsaSound/HALayer/IntelHda/IntelHdaHAL.c b/AlsaSound/HALayer/IntelHda/IntelHdaHAL.c deleted file mode 100644 index 5d668ba..0000000 --- a/AlsaSound/HALayer/IntelHda/IntelHdaHAL.c +++ /dev/null @@ -1,68 +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 "AudioCommonLib.h" -#include "SharedHalLib.h" // Include Share Interface to Alsa Sound Card HAL - -// Force a hard dependency to ShareHallLib -PUBLIC char* SharedHalLibVersion; - -// Init is call after all binding are loaded -STATIC int IntelHalInit (const struct afb_binding_interface *itf, struct afb_service service) { - DEBUG (itf, "IntelHalBinding Initialised"); - - return 0; // 0=OK -} - -/****************************************************************************************** - * alsaCtlsMap link hight level sound control with low level Alsa numid ctls. - * - * To find out which control your sound card uses - * aplay -l - * amixer -D hw:xx controls - * amixer -D hw:xx contents - * amixer -D "hw:3" cget numid=xx - * - * When automatic mapping to Alsa numid is not enough a custom callback might be used - * .cb={.handle=xxxx, .callback=(json_object)MyCtlFunction(struct afb_service service, int controle, int value, const struct alsaHalCtlMapS *map)}; - ********************************************************************************************/ -STATIC alsaHalMapT alsaHalMap[]= { - { .alsa={.control=Master_Playback_Volume,.numid=16,.group=OUTVOL,.values=1,.minval=0,.maxval= 87 ,.step=0,.acl=RW}, .info= "Master Playback Volume" }, - { .alsa={.control=PCM_Playback_Volume ,.numid=27,.group=PCMVOL,.values=2,.minval=0,.maxval= 255,.step=0,.acl=RW}, .info= "PCM Playback Volume" }, - { .alsa={.control=PCM_Playback_Switch ,.numid=17,.group=SWITCH,.values=1,.minval=0,.maxval= 1 ,.step=0,.acl=RW}, .info= "Master Playback Switch" }, - { .alsa={.control=Capture_Volume ,.numid=12,.group=INVOL ,.values=2,.minval=0,.maxval= 31 ,.step=0,.acl=RW}, .info= "Capture Volume" }, - { .alsa={.numid=0}, .cb={.callback=NULL, .handle=NULL}} /* marker for end of the array */ -} ; - -/*********************************************************************************** - * AlsaHalSndT provides - * - cardname used to map a given card to its HAL - * - ctls previously defined AlsaHalMapT control maps - * - info free text - * - * WARNING: name should fit with 'aplay -l' as it used to map from devid to HAL - * you may also retreive shortname when AudioBinder is running from a browser - * http://localhost:1234/api/alsacore/getcardid?devid=hw:xxx - * - ***********************************************************************************/ -PUBLIC alsaHalSndCardT alsaHalSndCard = { - .name = "HDA Intel PCH", - .info = "Hardware Abstraction Layer for IntelHDA sound card", - .ctls = alsaHalMap, - .prefix="intel-hda", - .initCB=IntelHalInit, // if NULL no initcallback -}; diff --git a/AlsaSound/HALayer/SharedHal/CMakeLists.txt b/AlsaSound/HALayer/SharedHal/CMakeLists.txt deleted file mode 100644 index d789367..0000000 --- a/AlsaSound/HALayer/SharedHal/CMakeLists.txt +++ /dev/null @@ -1,29 +0,0 @@ -########################################################################### -# Copyright 2015, 2016, 2017 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. -########################################################################### - -INCLUDE_DIRECTORIES(${include_dirs}) - -################################################## -# Shared HAL(Hardware Abstraction Layer) -################################################## -ADD_LIBRARY(sharedhal STATIC SharedHalLib.c) -SET_TARGET_PROPERTIES(sharedhal PROPERTIES OUTPUT_NAME sharedhal) -SET(link_libraries ${libefence_LIBRARIES} ${json-c_LIBRARIES}) -TARGET_LINK_LIBRARIES(sharedhal ${link_libraries}) - - diff --git a/AlsaSound/HALayer/SharedHal/SharedHalLib.c b/AlsaSound/HALayer/SharedHal/SharedHalLib.c deleted file mode 100644 index 43d0cfe..0000000 --- a/AlsaSound/HALayer/SharedHal/SharedHalLib.c +++ /dev/null @@ -1,341 +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. - * - * reference: - * amixer contents; amixer controls; - * http://www.tldp.org/HOWTO/Alsa-sound-6.html - */ -#define _GNU_SOURCE // needed for vasprintf -#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 "SharedHalLib.h" - -typedef struct { - int index; - int numid; -} shareHallMap_T; - -static struct afb_service srvitf; -static const struct afb_binding_interface *afbIface; -static shareHallMap_T *shareHallMap; - -// Force specific HAL to depend on ShareHalLib -PUBLIC char* SharedHalLibVersion="1.0"; - -// This callback when api/alsacore/subscribe returns -STATIC void alsaSubcribeCB(void *handle, int iserror, struct json_object *result) { - struct afb_req request = afb_req_unstore(handle); - struct json_object *x, *resp = NULL; - const char *info = NULL; - - if (result) { - INFO(afbIface, "result=[%s]\n", json_object_to_json_string(result)); - if (json_object_object_get_ex(result, "request", &x) && json_object_object_get_ex(x, "info", &x)) - info = json_object_get_string(x); - if (!json_object_object_get_ex(result, "response", &resp)) resp = NULL; - } - - // push message respond - if (iserror) afb_req_fail_f(request, "Fail", info); - else afb_req_success(request, resp, info); - - // free calling request - afb_req_unref(request); -} - -// Create and subscribe to alsacore ctl events - -STATIC void halMonitor(struct afb_req request) { - - // save request in session as it might be used after return by callback - struct afb_req *handle = afb_req_store(request); - - // push request to low level binding - if (!handle) afb_req_fail(request, "error", "out of memory"); - else afb_service_call(srvitf, "alsacore", "subctl", json_object_get(afb_req_json(request)), alsaSubcribeCB, handle); - - // success/failure messages return from callback -} - -// Subscribe to AudioBinding events - -STATIC void halSubscribe(struct 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"); - } -} - -// Call when all bindings are loaded and ready to accept request - -STATIC void halGetVol(struct afb_req request) { - - // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card - afb_req_success(request, NULL, NULL); - return; - -} - -STATIC void halSetVol(struct afb_req request) { - const char *arg; - const char *pcm; - - arg = afb_req_value(request, "vol"); - if (arg == NULL) { - afb_req_fail_f(request, "argument-missing", "vol=[0,100] missing"); - goto OnErrorExit; - } - - 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; - -} - -// 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 (valueout); -} - -// receive controls for LowLevel remap them to hight level before returning them - -STATIC void halGetControlCB(void *handle, int iserror, struct json_object *result) { - alsaHalMapT *halCtls = alsaHalSndCard.ctls; - struct json_object *response; - - // retrieve request and check for errors - 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 alsa/getcontrol result=[%s]", json_object_get_string(result)); - goto OnExit; - } - - // 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; - } - - // 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; - } - - // 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) { - - afb_req_fail_f(request, "ctl-invalid", "Invalid Control numid from alsa/getcontrol ctl=[%s]", json_object_get_string(ctl)); - goto OnExit; - } - } - - OnExit: - return; -} - - -// Translate high level control to low level and call lower layer -STATIC void halGetCtls(struct afb_req request) { - - struct json_object *queryin, *queryout, *ctlsin, *devid; - struct json_object *ctlsout = json_object_new_array(); - - // 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; - } - - // 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 sndcard=%s ctl=[%s] should be [%d-%d]" - , json_object_get_string(devid), alsaHalSndCard.name, json_object_get_string(ctl), StartHalCrlTag, EndHalCrlTag); - goto OnExit; - } - - // add corresponding lowlevel numid to querylist - json_object_array_add(ctlsout, json_object_new_int(shareHallMap[control].numid)); - } - - // 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); - - // save request context dans call lowlevel API - struct afb_req *handle = afb_req_store(request); - afb_service_call(srvitf, "alsacore", "getctl", queryout, halGetControlCB, handle); - -OnExit: - // Under normal situation success/failure is set from callback - return; -}; - -STATIC void halInitCB(void *handle, int iserror, struct json_object *result) { - struct json_object *queryurl = (json_object*) handle; - - if (iserror) NOTICE(afbIface, "halInitCB: registration alsaHAL query=[%s] Fail", json_object_to_json_string(queryurl)); - else DEBUG(afbIface, "halInitCB: registration alsaHAL card=[%s] Success", json_object_to_json_string(queryurl)); -} - -// This receive all event this binding subscribe to -PUBLIC void afbBindingV1ServiceEvent(const char *evtname, struct json_object *object) { - - NOTICE(afbIface, "afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object)); -} - -// this is call when after all bindings are loaded -PUBLIC int afbBindingV1ServiceInit(struct afb_service service) { - int rc=0; - srvitf = service; - struct json_object *queryurl; - - if (alsaHalSndCard.initCB) { - rc= (alsaHalSndCard.initCB) (afbIface, service); - if (rc != 0) goto OnExit; - } - - // register HAL with Alsa Low Level Binder - queryurl = json_object_new_object(); - json_object_object_add(queryurl, "prefix", json_object_new_string(alsaHalSndCard.prefix)); - json_object_object_add(queryurl, "name", json_object_new_string(alsaHalSndCard.name)); - afb_service_call(srvitf, "alsacore", "registerHal", queryurl, halInitCB, queryurl); - - OnExit: - return (rc); -}; - -// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT -static const struct afb_verb_desc_v1 halSharedApi[] = { - /* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */ - { .name = "ping", .session = AFB_SESSION_NONE, .callback = pingtest, .info = "Ping Binding"}, - { .name = "getctls", .session = AFB_SESSION_NONE, .callback = halGetCtls, .info = "Get Control"}, - { .name = "setvol", .session = AFB_SESSION_NONE, .callback = halSetVol, .info = "Set Volume"}, - { .name = "getvol", .session = AFB_SESSION_NONE, .callback = halGetVol, .info = "Get Volume"}, - { .name = "subscribe", .session = AFB_SESSION_NONE, .callback = halSubscribe,.info = "Subscribe Alsa Events"}, - { .name = "monitor", .session = AFB_SESSION_NONE, .callback = halMonitor ,.info = "Monitor Alsa Events"}, - { .name = NULL} /* marker for end of the array */ -}; - - -static struct afb_binding alsaHalBinding = { - /* description conforms to VERSION 1 */ - .type= AFB_BINDING_VERSION_1, - .v1= { - .prefix= NULL, - .info = NULL, - .verbs = halSharedApi, - } -}; - -// Process HAL mapping from alsaHalSndCardT before registering HAL binder -PUBLIC const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) { - - afbIface = itf; // need to keep a static trace of binder interface for avances functions - // alsaHalBinding.v1.verbs = halSharedApi; // complete sndcard specific alsaHalBinding with standard HAL APIs - alsaHalMapT *halCtls = alsaHalSndCard.ctls; // Get sndcard specific HAL control mapping - - if (halCtls == NULL) { - ERROR(afbIface, "afbBindingV1Register Fail alsaHalCtlsMap==NULL"); - return NULL; - } - - // Create a zone to store HAL high/low level mapping - shareHallMap = malloc(EndHalCrlTag * sizeof (shareHallMap_T)); - for (int idx = 0; (halCtls[idx].alsa.numid != 0 || halCtls[idx].cb.callback != NULL); idx++) { - if (halCtls[idx].alsa.numid == 0) halCtls[idx].alsa.numid =-1; - shareHallMap[halCtls[idx].alsa.control].numid = halCtls[idx].alsa.numid; - } - - alsaHalBinding.v1.prefix= alsaHalSndCard.prefix; - alsaHalBinding.v1.info = alsaHalSndCard.info; - return &alsaHalBinding; /* returns the description of the binding */ -}; diff --git a/AlsaSound/HALayer/SharedHal/SharedHalLib.h b/AlsaSound/HALayer/SharedHal/SharedHalLib.h deleted file mode 100644 index 7cf4489..0000000 --- a/AlsaSound/HALayer/SharedHal/SharedHalLib.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * AlsaLibMapping -- provide low level interface with AUDIO lib (extracted from alsa-json-gateway code) - * Copyright (C) 2015,2016,2017, 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. - */ - -#ifndef SHAREHALLIB_H -#define SHAREHALLIB_H - -#include <stdio.h> -#include "AudioCommonLib.h" - -typedef struct { - halCtlsEnumT control; - int numid; - halGroupEnumT group; - int values; - int minval; - int maxval; - int step; - halAclEnumT acl; -} alsaHalCtlMapT; - -// avoid compiler warning [Jose does not like typedef :) ] -typedef struct afb_service alsaHalServiceT; - -typedef struct { - struct json_object* (*callback)(alsaHalServiceT service, int control, int value, alsaHalCtlMapT *map, void* handle); - void* handle; -} alsaHalCbMapT; - -typedef struct { - alsaHalCtlMapT alsa; - alsaHalCbMapT cb; - char* info; -} alsaHalMapT; - -typedef struct { - const char *prefix; - const char *name; - const char *info; - alsaHalMapT *ctls; - int (*initCB) (const struct afb_binding_interface *itf, struct afb_service service); - -} alsaHalSndCardT; - -PUBLIC alsaHalSndCardT alsaHalSndCard; -PUBLIC char* SharedHalLibVersion; - -#endif /* SHAREHALLIB_H */ - |