diff options
author | fulup <fulup.arfoll@iot.bzh> | 2017-03-30 22:08:53 +0200 |
---|---|---|
committer | fulup <fulup.arfoll@iot.bzh> | 2017-03-30 22:08:53 +0200 |
commit | 86fb6219e8142781f629d72b4c5f74592e27af82 (patch) | |
tree | 30880082bbdf683a8f4bd55c7257d52127dc69ab /AlsaSound/CoreBinding/AlsaCtlSetGet.c | |
parent | 36bea37e9781276e7162292ea6933a7f6404c5ee (diff) |
Added Alsa Set Control
Diffstat (limited to 'AlsaSound/CoreBinding/AlsaCtlSetGet.c')
-rw-r--r-- | AlsaSound/CoreBinding/AlsaCtlSetGet.c | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/AlsaSound/CoreBinding/AlsaCtlSetGet.c b/AlsaSound/CoreBinding/AlsaCtlSetGet.c index a6cd45b..cd21724 100644 --- a/AlsaSound/CoreBinding/AlsaCtlSetGet.c +++ b/AlsaSound/CoreBinding/AlsaCtlSetGet.c @@ -71,8 +71,9 @@ PUBLIC void NumidsListParse (queryValuesT *queryValues, ctlRequestT *ctlRequest) ctlRequest[idx].jValues = NULL; ctlRequest[idx].used=0; - - switch (json_object_get_type(ctlRequest[idx].jToken)) { + 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 @@ -98,7 +99,20 @@ PUBLIC void NumidsListParse (queryValuesT *queryValues, ctlRequestT *ctlRequest) // Value is an int or an array with potentially multiple subvalues ctlRequest[idx].jValues = jValues; } - default: + 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; } } @@ -488,17 +502,27 @@ STATIC int alsaSetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRe goto OnErrorExit; } - count = snd_ctl_elem_info_get_count (elemInfo); - if (!json_object_is_type (ctlRequest->jValues, json_type_array)) { - length=1; - valueIsArray=0; - } else { - length = json_object_array_length (ctlRequest->jValues); - valueIsArray=1; + 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 ALSA NUMID=%d Values=[%s] wanted count=%d", ctlRequest->numId, json_object_to_json_string(ctlRequest->jValues), count); + 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; } @@ -517,9 +541,10 @@ STATIC int alsaSetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRe value= json_object_get_int (element); snd_ctl_elem_value_set_integer(elemData, index, value); } - - if ((err = snd_ctl_elem_write(ctlDev, elemData)) < 0) { - NOTICE (afbIface, "Fail to write ALSA NUMID=%d Values=[%s]", ctlRequest->numId, json_object_to_json_string(ctlRequest->jValues)); + + 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; } @@ -556,7 +581,7 @@ STATIC int alsaGetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRe if (snd_ctl_elem_read(ctlDev, elemData) < 0) goto OnErrorExit; ctlRequest->jValues= json_object_new_object(); - json_object_object_add (ctlRequest->jValues,"numid" , ctlRequest->jToken); + json_object_object_add (ctlRequest->jValues,"id" , ctlRequest->jToken); 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))); @@ -597,7 +622,7 @@ STATIC int alsaGetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRe break; } } - json_object_object_add (ctlRequest->jValues,"value",jsonValuesCtl); + 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(); |