aboutsummaryrefslogtreecommitdiffstats
path: root/ALSA-afb
diff options
context:
space:
mode:
Diffstat (limited to 'ALSA-afb')
-rw-r--r--ALSA-afb/Alsa-AddCtl.c444
-rw-r--r--ALSA-afb/Alsa-ApiHat.c36
-rw-r--r--ALSA-afb/Alsa-RegEvt.c327
-rw-r--r--ALSA-afb/Alsa-SetGet.c567
-rw-r--r--ALSA-afb/Alsa-Ucm.c456
5 files changed, 938 insertions, 892 deletions
diff --git a/ALSA-afb/Alsa-AddCtl.c b/ALSA-afb/Alsa-AddCtl.c
index 7a68ab5..f7ef92e 100644
--- a/ALSA-afb/Alsa-AddCtl.c
+++ b/ALSA-afb/Alsa-AddCtl.c
@@ -18,7 +18,7 @@
* https://kernel.readthedocs.io/en/sphinx-samples/writing-an-alsa-driver.html#control-names
* https://01.org/linuxgraphics/gfx-docs/drm/sound/designs/control-names.html
-*/
+ */
#define _GNU_SOURCE // needed for vasprintf
#include <alsa/asoundlib.h>
@@ -29,270 +29,302 @@
#include "Alsa-ApiHat.h"
// Performs like a toggle switch for attenuation, because they're bool (ref:user-ctl-element-set.c)
-static const unsigned int *allocate_bool_fake_tlv (void) {
- static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(range, -10000, 0);
- unsigned int *tlv= malloc(sizeof(range));
- if (tlv == NULL) return NULL;
- memcpy(tlv, range, sizeof(range));
- return tlv;
+
+static const unsigned int *allocate_bool_fake_tlv(void) {
+ static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(range, -10000, 0);
+ unsigned int *tlv = malloc(sizeof (range));
+ if (tlv == NULL) return NULL;
+ memcpy(tlv, range, sizeof (range));
+ return tlv;
}
-static const unsigned int *allocate_int_dbscale_tlv (int min, int step, int mute) {
- // SNDRV_CTL_TLVD_DECLARE_DB_SCALE(range, min, step, mute);
- size_t tlvSize = sizeof(4*sizeof(int*));
- unsigned int *tlv= malloc(tlvSize);
- tlv[0]=SNDRV_CTL_TLVT_DB_LINEAR;
- tlv[1]=(int)tlvSize;
- tlv[2]=min*100;
- tlv[3] = ((step*100) & SNDRV_CTL_TLVD_DB_SCALE_MASK) | ((mute*100) ? SNDRV_CTL_TLVD_DB_SCALE_MUTE : 0);
- return tlv;
+static const unsigned int *allocate_int_dbscale_tlv(int min, int step, int mute) {
+ // SNDRV_CTL_TLVD_DECLARE_DB_SCALE(range, min, step, mute);
+ size_t tlvSize = sizeof (4 * sizeof (unsigned int));
+ unsigned int *tlv = malloc(tlvSize);
+ tlv[0] = SNDRV_CTL_TLVT_DB_LINEAR;
+ tlv[1] = (int) tlvSize;
+ tlv[2] = min * 100;
+ tlv[3] = ((step * 100) & SNDRV_CTL_TLVD_DB_SCALE_MASK) | ((mute * 100) ? SNDRV_CTL_TLVD_DB_SCALE_MUTE : 0);
+ return tlv;
}
-static const unsigned int *allocate_int_linear_tlv (int max, int min) {
- // SNDRV_CTL_TLVD_DECLARE_DB_LINEAR (range, min, max);
- size_t tlvSize = sizeof(4*sizeof(int*));
- unsigned int *tlv= malloc(tlvSize);
- tlv[0]=SNDRV_CTL_TLVT_DB_SCALE;
- tlv[1]=(int)tlvSize;
- tlv[2]=-min*100;
- tlv[3]=max*100;
- return tlv;
+static const unsigned int *allocate_int_linear_tlv(int max, int min) {
+ // SNDRV_CTL_TLVD_DECLARE_DB_LINEAR (range, min, max);
+ size_t tlvSize = sizeof (4 * sizeof (unsigned int));
+ unsigned int *tlv = malloc(tlvSize);
+ tlv[0] = SNDRV_CTL_TLVT_DB_LINEAR;
+ tlv[1] = (int) tlvSize;
+ tlv[2] = -min * 100;
+ tlv[3] = max * 100;
+ return tlv;
}
-STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t *ctlDev, json_object *ctlJ, halQueryMode queryMode) {
- int err, ctlNumid, ctlValue;
+STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t *ctlDev, json_object *ctlJ, halQueryMode queryMode) {
+ int err, done, ctlNumid, ctlValue, shouldCreate;
json_object *tmpJ;
const char *ctlName;
- ctlRequestT ctlRequest;
- int ctlMax, ctlMin, ctlStep, ctlCount, ctlSubDev, ctlSndDev;
- snd_ctl_elem_type_t ctlType;
- snd_ctl_elem_info_t *elemInfo;
+ ctlRequestT ctlRequest;
+ int ctlMax, ctlMin, ctlStep, ctlCount, ctlSubDev, ctlSndDev;
+ snd_ctl_elem_type_t ctlType;
+ snd_ctl_elem_info_t *elemInfo;
snd_ctl_elem_id_t *elemId;
snd_ctl_elem_value_t *elemValue;
- const unsigned int *elemTlv=NULL;
-
+ const unsigned int *elemTlv = NULL;
+
// parse json ctl object
- json_object_object_get_ex (ctlJ, "name" , &tmpJ);
- ctlName = json_object_get_string(tmpJ);
-
- json_object_object_get_ex (ctlJ, "ctl" , &tmpJ);
- ctlNumid = json_object_get_int(tmpJ);
-
+ json_object_object_get_ex(ctlJ, "name", &tmpJ);
+ ctlName = json_object_get_string(tmpJ);
+
+ json_object_object_get_ex(ctlJ, "ctl", &tmpJ);
+ ctlNumid = json_object_get_int(tmpJ);
+
if (!ctlNumid && !ctlName) {
- afb_req_fail_f (request, "ctl-invalid", "crl=%s name or numid missing", json_object_get_string(ctlJ));
+ afb_req_fail_f(request, "ctl-invalid", "crl=%s name or numid missing", json_object_get_string(ctlJ));
goto OnErrorExit;
}
-
+
+
+ // We are facing a software ctl
+ if (ctlNumid == CTL_AUTO) {
+ done = json_object_object_get_ex(ctlJ, "type", &tmpJ);
+ if (done) ctlType = json_object_get_int(tmpJ);
+ else ctlType = SND_CTL_ELEM_TYPE_INTEGER;
+
+ json_object_object_get_ex(ctlJ, "value", &tmpJ);
+ ctlValue = json_object_get_int(tmpJ);
+
+ // default for json_object_get_int is zero
+ json_object_object_get_ex(ctlJ, "min", &tmpJ);
+ ctlMin = json_object_get_int(tmpJ);
+
+ done = json_object_object_get_ex(ctlJ, "max", &tmpJ);
+ if (done) ctlMax = json_object_get_int(tmpJ);
+ else {
+ if (ctlType == SND_CTL_ELEM_TYPE_BOOLEAN) ctlMax = 1;
+ else ctlMax = 100;
+ }
+
+ done = json_object_object_get_ex(ctlJ, "step", &tmpJ);
+ if (!done) ctlStep = 1;
+ else ctlStep = json_object_get_int(tmpJ);
+
+ done = json_object_object_get_ex(ctlJ, "count", &tmpJ);
+ if (!done) ctlCount = 1;
+ else ctlCount = json_object_get_int(tmpJ);
+
+ json_object_object_get_ex(ctlJ, "snddev", &tmpJ);
+ ctlSndDev = json_object_get_int(tmpJ);
+
+ json_object_object_get_ex(ctlJ, "subdev", &tmpJ);
+ ctlSubDev = json_object_get_int(tmpJ);
+ }
+
// Assert that this ctls is not used
snd_ctl_elem_info_alloca(&elemInfo);
- if (ctlName) snd_ctl_elem_info_set_name (elemInfo, ctlName);
- if (ctlNumid)snd_ctl_elem_info_set_numid(elemInfo, ctlNumid);
- snd_ctl_elem_info_set_interface (elemInfo, SND_CTL_ELEM_IFACE_MIXER);
+ if (ctlName) snd_ctl_elem_info_set_name(elemInfo, ctlName);
+ if (ctlNumid > 0)snd_ctl_elem_info_set_numid(elemInfo, ctlNumid);
+ snd_ctl_elem_info_set_interface(elemInfo, SND_CTL_ELEM_IFACE_MIXER);
+
+ // If control exist try to reuse it
err = snd_ctl_elem_info(ctlDev, elemInfo);
- if (!err) {
- snd_ctl_elem_id_alloca(&elemId);
+ if (err) {
+ shouldCreate = 1;
+ } else {
+ int count, min, max, sndDev, subDev;
+ snd_ctl_elem_type_t type;
+
+ // ctl exit let's get associated elemID
+ snd_ctl_elem_id_alloca(&elemId);
snd_ctl_elem_info_get_id(elemInfo, elemId);
- if (snd_ctl_elem_info_get_numid(elemInfo)) goto OnSucessExit; // hardware control nothing todo
- else { // user created kcontrol should be removable
+
+ // If this is a hardware ctl only update value
+ if (ctlNumid != CTL_AUTO) goto UpdateDefaultVal;
+
+ count = snd_ctl_elem_info_get_count(elemInfo);
+ min = (int) snd_ctl_elem_info_get_min(elemInfo);
+ max = (int) snd_ctl_elem_info_get_max(elemInfo);
+ type = snd_ctl_elem_info_get_type(elemInfo);
+ sndDev = (int) snd_ctl_elem_info_get_device(elemInfo);
+ subDev = (int) snd_ctl_elem_info_get_subdevice(elemInfo);
+
+ if (count == ctlCount && min == ctlMin && max == ctlMax && type == ctlType && sndDev == ctlSndDev && subDev == ctlSubDev) {
+ // Adjust value to best fit request
+ shouldCreate = 0;
+ } else {
err = snd_ctl_elem_remove(ctlDev, elemId);
+ shouldCreate = 1;
if (err < 0) {
- afb_req_fail_f (request, "ctl-reset-fail", "ctlName=%s numid=%d fail to reset", snd_ctl_elem_info_get_name(elemInfo), snd_ctl_elem_info_get_numid(elemInfo));
- goto OnErrorExit;
- } else elemInfo=NULL; // we remove control elemInfo is not valid anymore
+ AFB_ERROR("addOneSndCtl: ctlName=%s numid=%d fail to reset", snd_ctl_elem_info_get_name(elemInfo), snd_ctl_elem_info_get_numid(elemInfo));
+ goto DoNotUpdate;
+ };
+
+ // Control was deleted need to refresh elemInfo
+ snd_ctl_elem_info_alloca(&elemInfo);
+ if (ctlName) snd_ctl_elem_info_set_name(elemInfo, ctlName);
+ snd_ctl_elem_info_set_interface(elemInfo, SND_CTL_ELEM_IFACE_MIXER);
+ snd_ctl_elem_info(ctlDev, elemInfo);
}
}
- // Control was deleted need to refresh elemInfo
- if (!elemInfo) {
- snd_ctl_elem_info_alloca(&elemInfo);
- if (ctlName) snd_ctl_elem_info_set_name (elemInfo, ctlName);
- snd_ctl_elem_info_set_interface (elemInfo, SND_CTL_ELEM_IFACE_MIXER);
- snd_ctl_elem_info(ctlDev, elemInfo);
- }
-
- // default for json_object_get_int is zero
- json_object_object_get_ex (ctlJ, "min" , &tmpJ);
- ctlMin = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "value" , &tmpJ);
- ctlValue = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "max" , &tmpJ);
- if (!tmpJ) ctlMax=1;
- else ctlMax = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "step" , &tmpJ);
- if (!tmpJ) ctlStep=1;
- else ctlStep = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "count" , &tmpJ);
- if (!tmpJ) ctlCount=1;
- else ctlCount = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "snddev" , &tmpJ);
- ctlSndDev = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "subdev" , &tmpJ);
- ctlSubDev = json_object_get_int(tmpJ);
-
- json_object_object_get_ex (ctlJ, "type" , &tmpJ);
- if (!tmpJ) ctlType=SND_CTL_ELEM_TYPE_BOOLEAN;
- else ctlType = json_object_get_int(tmpJ);
-
// Add requested ID into elemInfo
snd_ctl_elem_info_set_device(elemInfo, ctlSndDev);
snd_ctl_elem_info_set_subdevice(elemInfo, ctlSubDev);
- // prepare value set
- snd_ctl_elem_value_alloca(&elemValue);
-
switch (ctlType) {
case SND_CTL_ELEM_TYPE_BOOLEAN:
- err = snd_ctl_add_boolean_elem_set(ctlDev, elemInfo, ctlCount, ctlCount);
- if (err) {
- afb_req_fail_f (request, "ctl-invalid-bool", "devid=%s crl=%s invalid boolean data", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
- goto OnErrorExit;
- }
+ if (shouldCreate) {
+ err = snd_ctl_add_boolean_elem_set(ctlDev, elemInfo, 1, ctlCount);
+ if (err) {
+ AFB_ERROR("AddOntSndCtl Boolean: devid='%s' name='%s' count=%d", snd_ctl_name(ctlDev), ctlName, ctlCount);
+ afb_req_fail_f(request, "ctl-invalid-bool", "devid='%s' name='%s' count=%d", snd_ctl_name(ctlDev), ctlName, ctlCount);
+ goto OnErrorExit;
+ }
+ }
+ // Create a dummy TLV
elemTlv = allocate_bool_fake_tlv();
-
- // Provide FALSE as default value
- for (int idx=0; idx < ctlCount; idx ++) {
- snd_ctl_elem_value_set_boolean (elemValue, idx, ctlValue);
- }
+
break;
-
+
case SND_CTL_ELEM_TYPE_INTEGER:
- err = snd_ctl_add_integer_elem_set (ctlDev, elemInfo, 1, ctlCount, ctlMin, ctlMax, ctlStep);
- if (err) {
- afb_req_fail_f (request, "ctl-invalid-bool", "devid=%s crl=%s invalid boolean data", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
- goto OnErrorExit;
- }
-
- // Provide 0 as default value
- for (int idx=0; idx < ctlCount; idx ++) {
- snd_ctl_elem_value_set_integer (elemValue, idx, ctlValue);
+ if (shouldCreate) {
+ err = snd_ctl_add_integer_elem_set(ctlDev, elemInfo, 1, ctlCount, ctlMin, ctlMax, ctlStep);
+ if (err) {
+ AFB_ERROR("AddOntSndCtl Integer: devid='%s' name='%s' count=%d min=%d max=%d step=%d", snd_ctl_name(ctlDev), ctlName, ctlCount, ctlMin, ctlMax, ctlStep);
+ afb_req_fail_f(request, "ctl-invalid-bool", "devid='%s' name='%s' count=%d min=%d max=%d step=%d", snd_ctl_name(ctlDev), ctlName, ctlCount, ctlMin, ctlMax, ctlStep);
+ goto OnErrorExit;
+ }
}
// Fulup needed to be tested with some dB expert !!!
json_object *dbscaleJ;
- if (json_object_object_get_ex (ctlJ, "dbscale" , &dbscaleJ)) {
+ if (json_object_object_get_ex(ctlJ, "dbscale", &dbscaleJ)) {
+ int min, max;
+
if (json_object_get_type(dbscaleJ) != json_type_object) {
- afb_req_fail_f (request, "ctl-invalid-dbscale", "devid=%s crl=%s invalid json in integer control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+ afb_req_fail_f(request, "ctl-invalid-dbscale", "devid=%s crl=%s invalid json in integer control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
goto OnErrorExit;
-
- json_object_object_get_ex (ctlJ, "min" , &tmpJ);
- int min = json_object_get_int(tmpJ);
+
+ json_object_object_get_ex(ctlJ, "min", &tmpJ);
+ min = json_object_get_int(tmpJ);
if (min >= 0) {
- afb_req_fail_f (request, "ctl-invalid-dbscale", "devid=%s crl=%s min should be a negative number", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
- goto OnErrorExit;
+ afb_req_fail_f(request, "ctl-invalid-dbscale", "devid=%s crl=%s min should be a negative number", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+ goto OnErrorExit;
}
-
+
// default value 0=mute
- json_object_object_get_ex (ctlJ, "max" , &tmpJ);
- int max = json_object_get_int(tmpJ);
-
+ json_object_object_get_ex(ctlJ, "max", &tmpJ);
+ max = json_object_get_int(tmpJ);
+
// default value 1dB
- json_object_object_get_ex (ctlJ, "step" , &tmpJ);
+ json_object_object_get_ex(ctlJ, "step", &tmpJ);
int step = json_object_get_int(tmpJ);
- if (step <= 0) step=1;
-
- elemTlv = allocate_int_dbscale_tlv (min, max, step);
-
+ if (step <= 0) step = 1;
+
+ elemTlv = allocate_int_dbscale_tlv(min, max, step);
+
}
} else {
// provide a fake linear TLV
- elemTlv = allocate_int_linear_tlv (ctlMin, ctlMax);
+ elemTlv = allocate_int_linear_tlv(ctlMin, ctlMax);
}
break;
-
-
- case SND_CTL_ELEM_TYPE_ENUMERATED: {
- json_object *enumsJ;
- json_object_object_get_ex (ctlJ, "enums" , &enumsJ);
- if (json_object_get_type(enumsJ) != json_type_array) {
- afb_req_fail_f (request, "ctl-missing-enums", "devid=%s crl=%s mandatory enum=xxx missing in enumerated control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
- goto OnErrorExit;
- }
-
- int length = json_object_array_length(enumsJ);
- const char **enumlabels = malloc(length*sizeof(char*));
-
- for (int jdx=0; jdx < length; jdx++) {
- tmpJ = json_object_array_get_idx(enumsJ, jdx);
- enumlabels[jdx] = json_object_get_string(tmpJ);
- }
-
- err = snd_ctl_add_enumerated_elem_set (ctlDev, elemInfo, 1, ctlCount, length, enumlabels);
- if (err) {
- afb_req_fail_f (request, "ctl-invalid-bool", "devid=%s crl=%s invalid enumerated control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
- goto OnErrorExit;
- }
-
- // Provide 0 as default value
- for (int idx=0; idx < ctlCount; idx ++) {
- snd_ctl_elem_value_set_enumerated (elemValue, idx, ctlValue);
- }
- elemTlv = allocate_bool_fake_tlv();
-
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+
+ if (shouldCreate) {
+ json_object *enumsJ;
+ json_object_object_get_ex(ctlJ, "enums", &enumsJ);
+ if (json_object_get_type(enumsJ) != json_type_array) {
+ afb_req_fail_f(request, "ctl-missing-enums", "devid=%s crl=%s mandatory enum=xxx missing in enumerated control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+ goto OnErrorExit;
+ }
+
+ int length = json_object_array_length(enumsJ);
+ const char **enumlabels = malloc(length * sizeof (char*));
+
+ for (int jdx = 0; jdx < length; jdx++) {
+ tmpJ = json_object_array_get_idx(enumsJ, jdx);
+ enumlabels[jdx] = json_object_get_string(tmpJ);
+ }
+
+ err = snd_ctl_add_enumerated_elem_set(ctlDev, elemInfo, 1, ctlCount, length, enumlabels);
+ if (err) {
+ afb_req_fail_f(request, "ctl-invalid-bool", "devid=%s crl=%s invalid enumerated control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+ goto OnErrorExit;
+ }
+
+ // Fulup should be an empty container
+ elemTlv = allocate_bool_fake_tlv();
+ }
break;
- }
-
- // Long Term Waiting ToDoList
+
+ // Long Term Waiting ToDoList
case SND_CTL_ELEM_TYPE_INTEGER64:
case SND_CTL_ELEM_TYPE_BYTES:
default:
- afb_req_fail_f (request, "ctl-invalid-type", "crl=%s unsupported/unknown element type", json_object_get_string(ctlJ));
- goto OnErrorExit;
+ afb_req_fail_f(request, "ctl-invalid-type", "crl=%s unsupported type type=%d numid=%d", json_object_get_string(ctlJ), ctlType, ctlNumid);
+ goto OnErrorExit;
+ }
+
+UpdateDefaultVal:
+
+ // Set Value to default
+ snd_ctl_elem_value_alloca(&elemValue);
+ for (int idx = 0; idx < snd_ctl_elem_info_get_count(elemInfo); idx++) {
+ snd_ctl_elem_value_set_integer(elemValue, idx, ctlValue);
}
// write default values in newly created control
- snd_ctl_elem_id_alloca(&elemId);
+ snd_ctl_elem_id_alloca(&elemId);
+ snd_ctl_elem_info(ctlDev, elemInfo);
snd_ctl_elem_info_get_id(elemInfo, elemId);
snd_ctl_elem_value_set_id(elemValue, elemId);
- err = snd_ctl_elem_write (ctlDev, elemValue);
+ err = snd_ctl_elem_write(ctlDev, elemValue);
if (err < 0) {
- afb_req_fail_f (request, "ctl-write-fail", "crl=%s numid=%d fail to write data error=%s", json_object_get_string(ctlJ), snd_ctl_elem_info_get_numid(elemInfo), snd_strerror(err));
- goto OnErrorExit;
- }
-
+ AFB_WARNING("addOneSndCtl: crl=%s numid=%d fail to write Values error=%s", json_object_get_string(ctlJ), snd_ctl_elem_info_get_numid(elemInfo), snd_strerror(err));
+ goto DoNotUpdate;
+ }
+
// write a default null TLV (if usefull should be implemented for every ctl type)
if (elemTlv) {
- err=snd_ctl_elem_tlv_write (ctlDev, elemId, elemTlv);
+ err = snd_ctl_elem_tlv_write(ctlDev, elemId, elemTlv);
if (err < 0) {
- afb_req_fail_f (request, "TLV-write-fail", "crl=%s numid=%d fail to write data error=%s", json_object_get_string(ctlJ), snd_ctl_elem_info_get_numid(elemInfo), snd_strerror(err));
- goto OnErrorExit;
+ AFB_WARNING("addOneSndCtl: crl=%s numid=%d fail to write TLV error=%s", json_object_get_string(ctlJ), snd_ctl_elem_info_get_numid(elemInfo), snd_strerror(err));
+ goto DoNotUpdate;
}
- }
+ }
+DoNotUpdate:
// return newly created as a JSON object
- OnSucessExit:
- alsaGetSingleCtl (ctlDev, elemId, &ctlRequest, queryMode);
- if (ctlRequest.used < 0) goto OnErrorExit;
- return ctlRequest.valuesJ;
-
- OnErrorExit:
- return NULL;
+ alsaGetSingleCtl(ctlDev, elemId, &ctlRequest, queryMode);
+ if (ctlRequest.used < 0) {
+ AFB_WARNING("addOneSndCtl: crl=%s numid=%d Fail to get value", json_object_get_string(ctlJ), snd_ctl_elem_info_get_numid(elemInfo));
+ }
+ return ctlRequest.valuesJ;
+
+OnErrorExit:
+ return NULL;
}
PUBLIC void alsaAddCustomCtls(afb_req request) {
int err;
json_object *ctlsJ, *ctlsValues, *ctlValues;
enum json_type;
- snd_ctl_t *ctlDev=NULL;
+ snd_ctl_t *ctlDev = NULL;
const char *devid, *mode;
devid = afb_req_value(request, "devid");
if (devid == NULL) {
- afb_req_fail_f (request, "devid-missing", "devid MUST be defined for alsaAddCustomCtls");
+ afb_req_fail_f(request, "devid-missing", "devid MUST be defined for alsaAddCustomCtls");
goto OnErrorExit;
}
-
+
// open control interface for devid
err = snd_ctl_open(&ctlDev, devid, 0);
if (err < 0) {
- afb_req_fail_f (request, "devid-unknown", "SndCard devid=[%s] Not Found err=%s", devid, snd_strerror(err));
+ afb_req_fail_f(request, "devid-unknown", "SndCard devid=[%s] Not Found err=%s", devid, snd_strerror(err));
goto OnErrorExit;
}
@@ -300,41 +332,41 @@ PUBLIC void alsaAddCustomCtls(afb_req request) {
halQueryMode queryMode = QUERY_QUIET;
mode = afb_req_value(request, "mode");
if (mode != NULL) {
- sscanf(mode,"%i", (int*)&queryMode);
+ sscanf(mode, "%i", (int*) &queryMode);
}
-
+
// extract sound controls and parse json
- ctlsJ = json_tokener_parse (afb_req_value(request, "ctl"));
+ ctlsJ = json_tokener_parse(afb_req_value(request, "ctl"));
if (!ctlsJ) {
- afb_req_fail_f (request, "ctls-missing", "ctls MUST be defined as a JSON array for alsaAddCustomCtls");
+ afb_req_fail_f(request, "ctls-missing", "ctls MUST be defined as a JSON array for alsaAddCustomCtls");
goto OnErrorExit;
}
-
- switch (json_object_get_type(ctlsJ)) {
+
+ switch (json_object_get_type(ctlsJ)) {
case json_type_object:
- ctlsValues= addOneSndCtl(request, ctlDev, ctlsJ, queryMode);
- if (!ctlsValues) goto OnErrorExit;
+ ctlsValues = addOneSndCtl(request, ctlDev, ctlsJ, queryMode);
+ if (!ctlsValues) goto OnErrorExit;
break;
-
+
case json_type_array:
- ctlsValues= json_object_new_array();
- for (int idx= 0; idx < json_object_array_length (ctlsJ); idx++) {
- json_object *ctlJ = json_object_array_get_idx (ctlsJ, idx);
- ctlValues= addOneSndCtl(request, ctlDev, ctlJ, queryMode) ;
- if (ctlValues) json_object_array_add (ctlsValues, ctlValues);
- else goto OnErrorExit;
+ ctlsValues = json_object_new_array();
+ for (int idx = 0; idx < json_object_array_length(ctlsJ); idx++) {
+ json_object *ctlJ = json_object_array_get_idx(ctlsJ, idx);
+ ctlValues = addOneSndCtl(request, ctlDev, ctlJ, queryMode);
+ if (ctlValues) json_object_array_add(ctlsValues, ctlValues);
+ else goto OnErrorExit;
}
break;
-
+
default:
- afb_req_fail_f (request, "ctls-invalid","ctls=%s not valid JSON array", json_object_get_string(ctlsJ));
+ afb_req_fail_f(request, "ctls-invalid", "ctls=%s not valid JSON array", json_object_get_string(ctlsJ));
goto OnErrorExit;
}
-
+
// get ctl as a json response
afb_req_success(request, ctlsValues, NULL);
-
- OnErrorExit:
- if (ctlDev) snd_ctl_close(ctlDev);
- return;
+
+OnErrorExit:
+ if (ctlDev) snd_ctl_close(ctlDev);
+ return;
} \ No newline at end of file
diff --git a/ALSA-afb/Alsa-ApiHat.c b/ALSA-afb/Alsa-ApiHat.c
index 9797d3c..2c3c5c1 100644
--- a/ALSA-afb/Alsa-ApiHat.c
+++ b/ALSA-afb/Alsa-ApiHat.c
@@ -32,28 +32,28 @@
* array of the verbs exported to afb-daemon
*/
static const struct afb_verb_v2 api_verbs[] = {
- /* VERB'S NAME FUNCTION TO CALL */
- { .verb= "ping" , .callback= pingtest },
- { .verb= "getinfo", .callback= alsaGetInfo},
- { .verb= "getctl", .callback= alsaGetCtls},
- { .verb= "setctl", .callback= alsaSetCtls},
- { .verb= "subscribe", .callback= alsaEvtSubcribe},
- { .verb= "getcardid", .callback= alsaGetCardId},
- { .verb= "halregister", .callback= alsaRegisterHal},
- { .verb= "hallist", .callback= alsaActiveHal},
- { .verb= "ucmquery", .callback= alsaUseCaseQuery},
- { .verb= "ucmset", .callback= alsaUseCaseSet},
- { .verb= "ucmget", .callback= alsaUseCaseGet},
- { .verb= "ucmreset", .callback= alsaUseCaseReset},
- { .verb= "ucmclose", .callback= alsaUseCaseClose},
- { .verb= "addcustomctl",.callback= alsaAddCustomCtls},
- { .verb= NULL } /* marker for end of the array */
+ /* VERB'S NAME FUNCTION TO CALL */
+ { .verb = "ping", .callback = pingtest},
+ { .verb = "getinfo", .callback = alsaGetInfo},
+ { .verb = "getctl", .callback = alsaGetCtls},
+ { .verb = "setctl", .callback = alsaSetCtls},
+ { .verb = "subscribe", .callback = alsaEvtSubcribe},
+ { .verb = "getcardid", .callback = alsaGetCardId},
+ { .verb = "halregister", .callback = alsaRegisterHal},
+ { .verb = "hallist", .callback = alsaActiveHal},
+ { .verb = "ucmquery", .callback = alsaUseCaseQuery},
+ { .verb = "ucmset", .callback = alsaUseCaseSet},
+ { .verb = "ucmget", .callback = alsaUseCaseGet},
+ { .verb = "ucmreset", .callback = alsaUseCaseReset},
+ { .verb = "ucmclose", .callback = alsaUseCaseClose},
+ { .verb = "addcustomctl", .callback = alsaAddCustomCtls},
+ { .verb = NULL} /* marker for end of the array */
};
/*
* description of the binding for afb-daemon
*/
const struct afb_binding_v2 afbBindingV2 = {
- .api = "alsacore",
- .verbs = api_verbs,
+ .api = "alsacore",
+ .verbs = api_verbs,
};
diff --git a/ALSA-afb/Alsa-RegEvt.c b/ALSA-afb/Alsa-RegEvt.c
index add3944..080b6cc 100644
--- a/ALSA-afb/Alsa-RegEvt.c
+++ b/ALSA-afb/Alsa-RegEvt.c
@@ -14,17 +14,18 @@
* See the License for the specific language governing permissions and
* limitations under the License.
-*/
+ */
#define _GNU_SOURCE // needed for vasprintf
#include "Alsa-ApiHat.h"
// generic sndctrl event handle hook to event callback when pooling
+
typedef struct {
struct pollfd pfds;
sd_event_source *src;
- snd_ctl_t *ctlDev;
+ snd_ctl_t *ctlDev;
int mode;
struct afb_event afbevt;
} evtHandleT;
@@ -40,29 +41,29 @@ typedef struct {
char *apiprefix;
char *shortname;
char *longname;
-}cardRegistryT;
+} cardRegistryT;
-cardRegistryT *cardRegistry[MAX_SND_CARD+1];
+cardRegistryT *cardRegistry[MAX_SND_CARD + 1];
-PUBLIC json_object *alsaCheckQuery (afb_req request, queryValuesT *queryValues) {
+PUBLIC json_object *alsaCheckQuery(afb_req request, queryValuesT *queryValues) {
json_object *tmpJ;
int done;
// get query from request
json_object *queryInJ = afb_req_json(request);
-
- done= json_object_object_get_ex (queryInJ, "devid" , &tmpJ);
+
+ done = json_object_object_get_ex(queryInJ, "devid", &tmpJ);
if (!done) {
afb_req_fail_f(request, "devid-missing", "Invalid query='%s'", json_object_get_string(queryInJ));
- goto OnErrorExit;
+ goto OnErrorExit;
}
queryValues->devid = json_object_get_string(tmpJ);
- done= json_object_object_get_ex (queryInJ, "mode" , &tmpJ);
- if (!done) queryValues->mode=QUERY_QUIET; // default quiet
- else queryValues->mode = json_object_get_int (tmpJ);
-
+ done = json_object_object_get_ex(queryInJ, "mode", &tmpJ);
+ if (!done) queryValues->mode = QUERY_QUIET; // default quiet
+ else queryValues->mode = json_object_get_int(tmpJ);
+
return queryInJ;
OnErrorExit:
@@ -70,9 +71,10 @@ OnErrorExit:
}
// This routine is called when ALSA event are fired
-STATIC int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void* userData) {
+
+STATIC int sndCtlEventCB(sd_event_source* src, int fd, uint32_t revents, void* userData) {
int err, ctlNumid;
- evtHandleT *evtHandle = (evtHandleT*)userData;
+ evtHandleT *evtHandle = (evtHandleT*) userData;
snd_ctl_event_t *eventId;
json_object *ctlEventJ;
unsigned int mask;
@@ -82,307 +84,312 @@ STATIC int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void*
const char*ctlName;
ctlRequestT ctlRequest;
snd_ctl_elem_id_t *elemId;
-
+
if ((revents & EPOLLHUP) != 0) {
AFB_NOTICE("SndCtl hanghup [car disconnected]");
goto ExitOnSucess;
}
-
- if ((revents & EPOLLIN) != 0) {
-
+
+ if ((revents & EPOLLIN) != 0) {
+
// initialise event structure on stack
- snd_ctl_event_alloca(&eventId);
+ 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->mode);
+
+ snd_ctl_event_elem_get_id(eventId, elemId);
+
+ err = alsaGetSingleCtl(evtHandle->ctlDev, elemId, &ctlRequest, evtHandle->mode);
if (err) goto OnErrorExit;
-
+
// If CTL as a value use it as container for response
- if (ctlRequest.valuesJ) ctlEventJ= ctlRequest.valuesJ;
+ if (ctlRequest.valuesJ) ctlEventJ = ctlRequest.valuesJ;
else {
ctlEventJ = json_object_new_object();
ctlNumid = snd_ctl_event_elem_get_numid(eventId);
- json_object_object_add(ctlEventJ, "id",json_object_new_int (ctlNumid));
+ json_object_object_add(ctlEventJ, "id", json_object_new_int(ctlNumid));
}
if (evtHandle->mode >= QUERY_COMPACT) {
ctlName = snd_ctl_event_elem_get_name(eventId);
- json_object_object_add(ctlEventJ, "name",json_object_new_string (ctlName));
+ json_object_object_add(ctlEventJ, "name", json_object_new_string(ctlName));
}
if (evtHandle->mode >= QUERY_VERBOSE) {
- iface = snd_ctl_event_elem_get_interface(eventId);
- device = snd_ctl_event_elem_get_device(eventId);
- subdev = snd_ctl_event_elem_get_subdevice(eventId);
- json_object_object_add(ctlEventJ, "ifc" ,json_object_new_int (iface));
- json_object_object_add(ctlEventJ, "dev" ,json_object_new_int (device));
- json_object_object_add(ctlEventJ, "sub" ,json_object_new_int (subdev));
+ iface = snd_ctl_event_elem_get_interface(eventId);
+ device = snd_ctl_event_elem_get_device(eventId);
+ subdev = snd_ctl_event_elem_get_subdevice(eventId);
+ json_object_object_add(ctlEventJ, "ifc", json_object_new_int(iface));
+ json_object_object_add(ctlEventJ, "dev", json_object_new_int(device));
+ json_object_object_add(ctlEventJ, "sub", json_object_new_int(subdev));
}
-
- AFB_DEBUG( "sndCtlEventCB=%s", json_object_get_string(ctlEventJ));
+
+ AFB_DEBUG("sndCtlEventCB=%s", json_object_get_string(ctlEventJ));
afb_event_push(evtHandle->afbevt, ctlEventJ);
}
- ExitOnSucess:
- return 0;
-
- OnErrorExit:
- AFB_WARNING ("sndCtlEventCB: ignored unsupported event type");
- return (0);
+ExitOnSucess:
+ return 0;
+
+OnErrorExit:
+ AFB_WARNING("sndCtlEventCB: ignored unsupported event type");
+ return (0);
}
// Subscribe to every Alsa CtlEvent send by a given board
-PUBLIC void alsaEvtSubcribe (afb_req request) {
+
+PUBLIC void alsaEvtSubcribe(afb_req request) {
static sndHandleT sndHandles[MAX_SND_CARD];
- evtHandleT *evtHandle=NULL;
- snd_ctl_t *ctlDev=NULL;
- int err, idx, cardId, idxFree=-1;
+ evtHandleT *evtHandle = NULL;
+ snd_ctl_t *ctlDev = NULL;
+ int err, idx, cardId, idxFree = -1;
snd_ctl_card_info_t *cardinfo;
queryValuesT queryValues;
- json_object *queryJ = alsaCheckQuery (request, &queryValues);
+ json_object *queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
// open control interface for devid
err = snd_ctl_open(&ctlDev, queryValues.devid, SND_CTL_READONLY);
if (err < 0) {
- afb_req_fail_f (request, "devid-unknown", "SndCard devid=%s Not Found err=%s", queryValues.devid, snd_strerror(err));
+ 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));
+
+ 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);
-
+
+ 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;
+ 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==%d", idx);
- goto OnErrorExit;
- }
-
- evtHandle = malloc (sizeof(evtHandleT));
+ afb_req_fail_f(request, "register-toomany", "Cannot register new event Maxcard==%d", idx);
+ goto OnErrorExit;
+ }
+
+ evtHandle = malloc(sizeof (evtHandleT));
evtHandle->ctlDev = ctlDev;
- evtHandle->mode = queryValues.mode;
+ evtHandle->mode = queryValues.mode;
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);
+ 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(), &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);
+ 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 (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;
+ evtHandle->afbevt = afb_daemon_make_event(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;
+ 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);
+ afb_req_fail_f(request, "register-eventname", "Cannot subscribe binder event name=%s [invalid channel]", queryValues.devid);
goto OnErrorExit;
}
// increase usage count and return success
- sndHandles[idx].ucount ++;
+ sndHandles[idx].ucount++;
afb_req_success(request, NULL, NULL);
return;
-
- OnErrorExit:
- if (ctlDev) snd_ctl_close(ctlDev);
- return;
+
+OnErrorExit:
+ if (ctlDev) snd_ctl_close(ctlDev);
+ return;
}
// Subscribe to every Alsa CtlEvent send by a given board
-STATIC json_object *alsaProbeCardId (afb_req request) {
+
+STATIC json_object *alsaProbeCardId(afb_req request) {
char devid [10];
const char *ctlName, *shortname, *longname;
int card, err, index, idx;
json_object *responseJ;
- snd_ctl_t *ctlDev;
+ 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");
+ 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++) {
+ 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);
-
+ 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;
-
+ if (err < 0) continue;
+
// extract sound card information
snd_ctl_card_info(ctlDev, cardinfo);
- index = snd_ctl_card_info_get_card(cardinfo);
- ctlName = snd_ctl_card_info_get_id(cardinfo);
- shortname= snd_ctl_card_info_get_name(cardinfo);
+ index = snd_ctl_card_info_get_card(cardinfo);
+ ctlName = 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, ctlName)) break;
- if (!strcmp (sndname, shortname)) break;
- if (!strcmp (sndname, longname)) break;
+ if (!strcmp(sndname, ctlName)) 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);
+ afb_req_fail_f(request, "ctlDev-notfound", "Fail to find card with name=%s", sndname);
goto OnErrorExit;
}
-
+
// proxy ctlevent as a binder event
responseJ = json_object_new_object();
- json_object_object_add(responseJ, "index" ,json_object_new_int (index));
- json_object_object_add(responseJ, "devid" ,json_object_new_string (devid));
- json_object_object_add(responseJ, "shortname" ,json_object_new_string (shortname));
- json_object_object_add(responseJ, "longname" ,json_object_new_string (longname));
-
+ json_object_object_add(responseJ, "index", json_object_new_int(index));
+ json_object_object_add(responseJ, "devid", json_object_new_string(devid));
+ json_object_object_add(responseJ, "shortname", json_object_new_string(shortname));
+ json_object_object_add(responseJ, "longname", json_object_new_string(longname));
+
// search for a HAL binder card mapping name to api prefix
- for (idx=0; (idx < MAX_SND_CARD && cardRegistry[idx]); idx++) {
- if (!strcmp (cardRegistry[idx]->shortname, shortname)) {
- json_object_object_add(responseJ, "halapi",json_object_new_string (cardRegistry[idx]->apiprefix));
+ for (idx = 0; (idx < MAX_SND_CARD && cardRegistry[idx]); idx++) {
+ if (!strcmp(cardRegistry[idx]->shortname, shortname)) {
+ json_object_object_add(responseJ, "halapi", json_object_new_string(cardRegistry[idx]->apiprefix));
break;
}
}
-
+
return responseJ;
-
- OnErrorExit:
- return NULL;
+
+OnErrorExit:
+ return NULL;
}
// Make alsaProbeCardId compatible with AFB request
-PUBLIC void alsaGetCardId (afb_req request) {
-
- json_object *responseJ = alsaProbeCardId (request);
+
+PUBLIC void alsaGetCardId(afb_req request) {
+
+ json_object *responseJ = alsaProbeCardId(request);
if (responseJ) afb_req_success(request, responseJ, NULL);
}
// Return list of active resgistrated HAL with corresponding sndcard
-PUBLIC void alsaActiveHal (afb_req request) {
+
+PUBLIC void alsaActiveHal(afb_req request) {
json_object *responseJ = json_object_new_array();
-
- for (int idx=0; idx < MAX_SND_CARD; idx++) {
+
+ for (int idx = 0; idx < MAX_SND_CARD; idx++) {
if (!cardRegistry[idx]) break;
-
+
json_object *haldevJ = json_object_new_object();
json_object_object_add(haldevJ, "api", json_object_new_string(cardRegistry[idx]->apiprefix));
- if (cardRegistry[idx]->devid) json_object_object_add(haldevJ, "devid", json_object_new_string(cardRegistry[idx]->devid));
+ if (cardRegistry[idx]->devid) json_object_object_add(haldevJ, "devid", json_object_new_string(cardRegistry[idx]->devid));
if (cardRegistry[idx]->shortname)json_object_object_add(haldevJ, "shortname", json_object_new_string(cardRegistry[idx]->shortname));
if (cardRegistry[idx]->longname) json_object_object_add(haldevJ, "longname", json_object_new_string(cardRegistry[idx]->longname));
- json_object_array_add (responseJ, haldevJ);
+ json_object_array_add(responseJ, haldevJ);
}
-
+
afb_req_success(request, responseJ, NULL);
}
// Register loaded HAL with board Name and API prefix
-PUBLIC void alsaRegisterHal (afb_req request) {
- static int index=0;
+
+PUBLIC void alsaRegisterHal(afb_req request) {
+ static int index = 0;
json_object *responseJ;
const char *shortname, *apiPrefix;
-
+
apiPrefix = afb_req_value(request, "prefix");
if (apiPrefix == NULL) {
- afb_req_fail_f (request, "argument-missing", "prefix=BindingApiPrefix missing");
+ afb_req_fail_f(request, "argument-missing", "prefix=BindingApiPrefix missing");
goto OnErrorExit;
}
-
+
shortname = afb_req_value(request, "sndname");
if (shortname == NULL) {
- afb_req_fail_f (request, "argument-missing", "sndname=SndCardName missing");
+ 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;
+ afb_req_fail_f(request, "alsahal-toomany", "Fail to register sndname=[%s]", shortname);
+ goto OnErrorExit;
}
-
+
// alsaGetCardId should be check to register only valid card
- responseJ= alsaProbeCardId(request);
+ responseJ = alsaProbeCardId(request);
if (responseJ) {
json_object *tmpJ;
int done;
-
- cardRegistry[index]= malloc (sizeof(cardRegistry));
- cardRegistry[index]->apiprefix=strdup(apiPrefix);
- cardRegistry[index]->shortname=strdup(shortname);
-
- done= json_object_object_get_ex (responseJ, "devid" , &tmpJ);
- if (done) cardRegistry[index]->devid = strdup (json_object_get_string(tmpJ));
- else cardRegistry[index]->devid=NULL;
-
- done = json_object_object_get_ex (responseJ, "longname" , &tmpJ);
- if (done) cardRegistry[index]->longname = strdup (json_object_get_string(tmpJ));
- else cardRegistry[index]->longname=NULL;
-
+
+ cardRegistry[index] = malloc(sizeof (cardRegistry));
+ cardRegistry[index]->apiprefix = strdup(apiPrefix);
+ cardRegistry[index]->shortname = strdup(shortname);
+
+ done = json_object_object_get_ex(responseJ, "devid", &tmpJ);
+ if (done) cardRegistry[index]->devid = strdup(json_object_get_string(tmpJ));
+ else cardRegistry[index]->devid = NULL;
+
+ done = json_object_object_get_ex(responseJ, "longname", &tmpJ);
+ if (done) cardRegistry[index]->longname = strdup(json_object_get_string(tmpJ));
+ else cardRegistry[index]->longname = NULL;
+
// make sure register close with a null value
index++;
- cardRegistry[index]=NULL;
-
- afb_req_success(request, responseJ, NULL);
+ cardRegistry[index] = NULL;
+
+ afb_req_success(request, responseJ, NULL);
}
-
+
// If OK return sound card Alsa ID+Info
return;
-
- OnErrorExit:
- return;
+
+OnErrorExit:
+ return;
}
diff --git a/ALSA-afb/Alsa-SetGet.c b/ALSA-afb/Alsa-SetGet.c
index 5a41ec1..04f2929 100644
--- a/ALSA-afb/Alsa-SetGet.c
+++ b/ALSA-afb/Alsa-SetGet.c
@@ -23,84 +23,84 @@
https://github.com/DongheonKim/android_hardware_alsa-sound/blob/master/ALSAControl.cpp (ALSA low level API)
https://www.kernel.org/doc/html/v4.11/sound/index.html
-*/
+ */
#define _GNU_SOURCE // needed for vasprintf
#include "Alsa-ApiHat.h"
-PUBLIC void NumidsListParse (ActionSetGetT action, queryValuesT *queryValues, ctlRequestT *ctlRequest) {
+PUBLIC void NumidsListParse(ActionSetGetT action, queryValuesT *queryValues, ctlRequestT *ctlRequest) {
int length;
- for (int idx=0; idx < queryValues->count; idx ++) {
+ for (int idx = 0; idx < queryValues->count; idx++) {
json_object *jId, *valuesJ;
- ctlRequest[idx].used=0;
+ ctlRequest[idx].used = 0;
ctlRequest[idx].valuesJ = NULL;
-
+
// when only one NUMID is provided it might not be encapsulated in a JSON array
- if (json_type_array == json_object_get_type(queryValues->numidsJ)) ctlRequest[idx].jToken = json_object_array_get_idx (queryValues->numidsJ, idx);
- else ctlRequest[idx].jToken=queryValues->numidsJ;
-
- enum json_type jtype=json_object_get_type(ctlRequest[idx].jToken);
+ if (json_type_array == json_object_get_type(queryValues->numidsJ)) ctlRequest[idx].jToken = json_object_array_get_idx(queryValues->numidsJ, idx);
+ else ctlRequest[idx].jToken = queryValues->numidsJ;
+
+ enum json_type jtype = json_object_get_type(ctlRequest[idx].jToken);
switch (jtype) {
-
+
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);
+ ctlRequest[idx].numId = json_object_get_int(ctlRequest[idx].jToken);
// Special SET simple short numid form [numid, [VAL1...VALX]]
if (action == ACTION_SET && queryValues->count == 2) {
- ctlRequest[idx].valuesJ = json_object_array_get_idx (queryValues->numidsJ, 1);
- queryValues->count =1; //In this form count==2 , when only one numid is to set
- idx ++;
- continue;
+ ctlRequest[idx].valuesJ = json_object_array_get_idx(queryValues->numidsJ, 1);
+ queryValues->count = 1; //In this form count==2 , when only one numid is to set
+ idx++;
+ continue;
} else
- break;
+ break;
- case json_type_array:
+ 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);
+ length = json_object_array_length(ctlRequest[idx].jToken);
// numid must be in 1st slot of numid json array
- ctlRequest[idx].numId =json_object_get_int(json_object_array_get_idx (ctlRequest[idx].jToken, 0));
- if (action == ACTION_GET) continue;
+ ctlRequest[idx].numId = json_object_get_int(json_object_array_get_idx(ctlRequest[idx].jToken, 0));
+ if (action == ACTION_GET) continue;
// In Write mode second value should be the value
if (action == ACTION_SET && length == 2) {
- ctlRequest[idx].valuesJ = json_object_array_get_idx (ctlRequest[idx].jToken, 1);
- continue;
+ ctlRequest[idx].valuesJ = json_object_array_get_idx(ctlRequest[idx].jToken, 1);
+ continue;
}
// no numid value
- ctlRequest[idx].used=-1;
+ ctlRequest[idx].used = -1;
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",&valuesJ)) {
+ if (!json_object_object_get_ex(ctlRequest[idx].jToken, "id", &jId) || !json_object_object_get_ex(ctlRequest[idx].jToken, "val", &valuesJ)) {
AFB_NOTICE("Invalid Json=%s missing 'id'|'val'", json_object_get_string(ctlRequest[idx].jToken));
- ctlRequest[idx].used=-1;
+ ctlRequest[idx].used = -1;
} else {
- ctlRequest[idx].numId =json_object_get_int(jId);
- if (action == ACTION_SET) ctlRequest[idx].valuesJ=valuesJ;
+ ctlRequest[idx].numId = json_object_get_int(jId);
+ if (action == ACTION_SET) ctlRequest[idx].valuesJ = valuesJ;
}
break;
-
- default:
- ctlRequest[idx].used=-1;
+
+ default:
+ ctlRequest[idx].used = -1;
}
}
}
-STATIC json_object *DB2StringJsonOject (long dB) {
+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);
- }
+ 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));
+ return (json_object_new_string(label));
}
@@ -160,8 +160,8 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]);
json_object_array_add(arrayJson, json_object_new_string(label));
} else {
- json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
- }
+ json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
+ }
size -= (unsigned int) sizeof (unsigned int);
}
json_object_object_add(dbscaleJson, "array", arrayJson);
@@ -171,10 +171,10 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
json_object_object_add(dbscaleJson, "step", DB2StringJsonOject(tlv[3] & 0xffff));
json_object_object_add(dbscaleJson, "mute", DB2StringJsonOject((tlv[3] >> 16) & 1));
} else {
- json_object_object_add(dbscaleJson, "min", json_object_new_int((int) tlv[2]));
+ json_object_object_add(dbscaleJson, "min", json_object_new_int((int) tlv[2]));
json_object_object_add(dbscaleJson, "step", json_object_new_int(tlv[3] & 0xffff));
- json_object_object_add(dbscaleJson, "mute", json_object_new_int((tlv[3] >> 16) & 1));
- }
+ json_object_object_add(dbscaleJson, "mute", json_object_new_int((tlv[3] >> 16) & 1));
+ }
}
json_object_object_add(decodeTlvJson, "dbscale", dbscaleJson);
break;
@@ -192,8 +192,8 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]);
json_object_array_add(arrayJson, json_object_new_string(label));
} else {
- json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
- }
+ json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
+ }
size -= (unsigned int) sizeof (unsigned int);
}
json_object_object_add(dbLinearJson, "offset", arrayJson);
@@ -203,8 +203,8 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
json_object_object_add(dbLinearJson, "max", DB2StringJsonOject((int) tlv[3]));
} else {
json_object_object_add(dbLinearJson, "min", json_object_new_int((int) tlv[2]));
- json_object_object_add(dbLinearJson, "max", json_object_new_int((int) tlv[3]));
- }
+ json_object_object_add(dbLinearJson, "max", json_object_new_int((int) tlv[3]));
+ }
}
json_object_object_add(decodeTlvJson, "dblinear", dbLinearJson);
break;
@@ -223,8 +223,8 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]);
json_object_array_add(arrayJson, json_object_new_string(label));
} else {
- json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
- }
+ json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
+ }
size -= (unsigned int) sizeof (unsigned int);
}
json_object_object_add(dbRangeJson, "dbrange", arrayJson);
@@ -257,8 +257,8 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
snprintf(label, sizeof (label), "0x%08x,", tlv[idx++]);
json_object_array_add(arrayJson, json_object_new_string(label));
} else {
- json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
- }
+ json_object_array_add(arrayJson, json_object_new_int(tlv[idx++]));
+ }
size -= (unsigned int) sizeof (unsigned int);
}
json_object_object_add(dbMinMaxJson, "array", arrayJson);
@@ -269,8 +269,8 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
json_object_object_add(dbMinMaxJson, "max", DB2StringJsonOject((int) tlv[3]));
} else {
json_object_object_add(dbMinMaxJson, "min", json_object_new_int((int) tlv[2]));
- json_object_object_add(dbMinMaxJson, "max", json_object_new_int((int) tlv[3]));
- }
+ json_object_object_add(dbMinMaxJson, "max", json_object_new_int((int) tlv[3]));
+ }
}
if (type == SND_CTL_TLVT_DB_MINMAX_MUTE) {
@@ -325,144 +325,148 @@ STATIC json_object *decodeTlv(unsigned int *tlv, unsigned int tlv_size, int mode
// retreive info for one given card
-STATIC json_object* alsaCardProbe (const char *rqtSndId) {
- const char *info, *name;
+
+STATIC json_object* alsaCardProbe(const char *rqtSndId) {
+ const char *info, *name;
const char *devid, *driver;
json_object *ctlDev;
- snd_ctl_t *handle;
+ snd_ctl_t *handle;
snd_ctl_card_info_t *cardinfo;
int err;
if ((err = snd_ctl_open(&handle, rqtSndId, 0)) < 0) {
- AFB_INFO ("alsaCardProbe '%s' Not Found", rqtSndId);
+ AFB_INFO("alsaCardProbe '%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);
- AFB_WARNING ("SndCard '%s' info error: %s", rqtSndId, snd_strerror(err));
+ AFB_WARNING("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));
+ 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 (AFB_GET_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));
- AFB_INFO ("AJG: Soundcard Devid=%-5s devid=%-7s Name=%s\n", rqtSndId, devid, info);
+ 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));
+ AFB_INFO("AJG: Soundcard Devid=%-5s devid=%-7s Name=%s\n", rqtSndId, devid, info);
}
// free card handle and return info
- snd_ctl_close(handle);
+ snd_ctl_close(handle);
return (ctlDev);
}
// Loop on every potential Sound card and register active one
-PUBLIC void alsaGetInfo (afb_req request) {
- int card;
+
+PUBLIC void alsaGetInfo(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);
+ 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 afb_req_fail_f(request, "sndscard-notfound", "SndCard '%s' Not Found", rqtSndId);
+
} else {
// return an array of ctlDev
- ctlDevs =json_object_new_array();
+ ctlDevs = json_object_new_array();
// loop on potential card number
- for (card =0; card < MAX_SND_CARD; card++) {
+ for (card = 0; card < MAX_SND_CARD; card++) {
// build card devid and probe it
- snprintf (devid, sizeof(devid), "hw:%i", card);
- ctlDev = alsaCardProbe (devid);
+ 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);
- }
+ json_object_array_add(ctlDevs, ctlDev);
+ }
}
- afb_req_success (request, ctlDevs, NULL);
+ 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) {
+
+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)));
+ 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(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);
+ json_object_object_add(jsonAclCtl, "tlv", jsonTlv);
}
return (jsonAclCtl);
}
// process ALSA control and store resulting value into ctlRequest
-PUBLIC int alsaSetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest) {
+
+PUBLIC 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=0;
+ snd_ctl_elem_info_t *elemInfo;
+ int count, length, err, valueIsArray = 0;
// let's make sure we are processing the right control
- if (ctlRequest->numId != snd_ctl_elem_id_get_numid (elemId)) goto OnErrorExit;
-
+ 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 !!!
+ snd_ctl_elem_info_set_id(elemInfo, elemId); // map ctlInfo to ctlId elemInfo is updated !!!
if (snd_ctl_elem_info(ctlDev, elemInfo) < 0) {
- AFB_NOTICE( "Fail to load ALSA NUMID=%d Values='%s'", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ));
+ AFB_NOTICE("Fail to load ALSA NUMID=%d Values='%s'", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ));
goto OnErrorExit;
}
-
+
if (!snd_ctl_elem_info_is_writable(elemInfo)) {
- AFB_NOTICE( "Not Writable ALSA NUMID=%d Values='%s'", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ));
+ AFB_NOTICE("Not Writable ALSA NUMID=%d Values='%s'", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ));
goto OnErrorExit;
}
-
- count = snd_ctl_elem_info_get_count (elemInfo);
+
+ count = snd_ctl_elem_info_get_count(elemInfo);
if (count == 0) goto OnErrorExit;
-
- enum json_type jtype= json_object_get_type(ctlRequest->valuesJ);
+
+ enum json_type jtype = json_object_get_type(ctlRequest->valuesJ);
switch (jtype) {
case json_type_array:
- length = json_object_array_length (ctlRequest->valuesJ);
- valueIsArray=1;
+ length = json_object_array_length(ctlRequest->valuesJ);
+ valueIsArray = 1;
break;
case json_type_int:
- length=1;
- valueIsArray=0;
- break;
+ length = 1;
+ valueIsArray = 0;
+ break;
default:
length = 0;
break;
@@ -470,193 +474,198 @@ PUBLIC int alsaSetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRe
if (length == 0) {
- AFB_NOTICE( "Invalid values NUMID='%d' Values='%s' count='%d' wanted='%d'", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ), length, count);
+ AFB_NOTICE("Invalid values NUMID='%d' Values='%s' count='%d' wanted='%d'", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ), 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;
+ 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++) {
+ for (int index = 0; index < count; index++) {
json_object *element;
int value;
// when not enough value duplicate last provided one
- if (!valueIsArray) element= ctlRequest->valuesJ;
+ if (!valueIsArray) element = ctlRequest->valuesJ;
else {
- if (index < length) element= json_object_array_get_idx(ctlRequest->valuesJ, index);
- else element= json_object_array_get_idx(ctlRequest->valuesJ, length-1);
+ if (index < length) element = json_object_array_get_idx(ctlRequest->valuesJ, index);
+ else element = json_object_array_get_idx(ctlRequest->valuesJ, length - 1);
}
-
- value= json_object_get_int (element);
+
+ 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) {
- AFB_NOTICE( "Fail to write ALSA NUMID=%d Values='%s' Error=%s", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ), snd_strerror(err));
+ AFB_NOTICE("Fail to write ALSA NUMID=%d Values='%s' Error=%s", ctlRequest->numId, json_object_get_string(ctlRequest->valuesJ), snd_strerror(err));
goto OnErrorExit;
}
-
- ctlRequest->used=1;
+
+ ctlRequest->used = 1;
return 0;
-
- OnErrorExit:
- ctlRequest->used=-1;
- return -1;
+
+OnErrorExit:
+ ctlRequest->used = -1;
+ return -1;
}
// process ALSA control and store then into ctlRequest
-PUBLIC int alsaGetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest, halQueryMode queryMode) {
- snd_ctl_elem_type_t elemType;
+
+PUBLIC int alsaGetSingleCtl(snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest, halQueryMode queryMode) {
+ snd_ctl_elem_type_t elemType;
snd_ctl_elem_value_t *elemData;
- snd_ctl_elem_info_t *elemInfo;
+ 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);
+ snd_ctl_elem_info_set_id(elemInfo, elemId);
if (snd_ctl_elem_info(ctlDev, elemInfo) < 0) goto OnErrorExit;
- count = snd_ctl_elem_info_get_count (elemInfo);
+ count = snd_ctl_elem_info_get_count(elemInfo);
if (count == 0) goto OnErrorExit;
-
+
if (!snd_ctl_elem_info_is_readable(elemInfo)) goto OnErrorExit;
- elemType = snd_ctl_elem_info_get_type(elemInfo);
+ elemType = snd_ctl_elem_info_get_type(elemInfo);
- snd_ctl_elem_value_alloca(&elemData);
- snd_ctl_elem_value_set_id(elemData, elemId);
+ snd_ctl_elem_value_alloca(&elemData);
+ snd_ctl_elem_value_set_id(elemData, elemId);
if (snd_ctl_elem_read(ctlDev, elemData) < 0) goto OnErrorExit;
-
- int numid= snd_ctl_elem_info_get_numid(elemInfo);
- ctlRequest->valuesJ= json_object_new_object();
- json_object_object_add (ctlRequest->valuesJ,"id" , json_object_new_int(numid));
- if (queryMode >= 1) json_object_object_add (ctlRequest->valuesJ,"name" , json_object_new_string(snd_ctl_elem_id_get_name (elemId)));
- if (queryMode >= 2) json_object_object_add (ctlRequest->valuesJ,"iface" , json_object_new_string(snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(elemId))));
- if (queryMode >= 3) json_object_object_add (ctlRequest->valuesJ,"actif", json_object_new_boolean(!snd_ctl_elem_info_is_inactive(elemInfo)));
+ int numid = snd_ctl_elem_info_get_numid(elemInfo);
+
+ ctlRequest->valuesJ = json_object_new_object();
+ json_object_object_add(ctlRequest->valuesJ, "id", json_object_new_int(numid));
+ if (queryMode >= 1) json_object_object_add(ctlRequest->valuesJ, "name", json_object_new_string(snd_ctl_elem_id_get_name(elemId)));
+ if (queryMode >= 2) json_object_object_add(ctlRequest->valuesJ, "iface", json_object_new_string(snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(elemId))));
+ if (queryMode >= 3) json_object_object_add(ctlRequest->valuesJ, "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)));
+ 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)));
+ }
+ 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)));
+ 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)));
+ 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)));
+ 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: {
+ 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);
+ 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?"));
+ }
+ default:
+ json_object_array_add(jsonValuesCtl, json_object_new_string("?unknown?"));
break;
}
}
- json_object_object_add (ctlRequest->valuesJ,"val",jsonValuesCtl);
+ json_object_object_add(ctlRequest->valuesJ, "val", jsonValuesCtl);
- if (queryMode >= 1) { // in simple mode do not print usable values
+ if (queryMode >= 1) { // in simple mode do not print usable values
json_object *jsonClassCtl = json_object_new_object();
- json_object_object_add (jsonClassCtl,"type" , json_object_new_int(elemType));
- json_object_object_add (jsonClassCtl,"count", json_object_new_int(count));
+ json_object_object_add(jsonClassCtl, "type", json_object_new_int(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;
+ 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)));
+ }
}
- default: break; // ignore any unknown type
+ 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->valuesJ,"ctl", jsonClassCtl);
-
- if (queryMode >= QUERY_FULL) json_object_object_add (ctlRequest->valuesJ,"acl" , getControlAcl (elemInfo));
+ json_object_object_add(ctlRequest->valuesJ, "ctl", jsonClassCtl);
+
+ if (queryMode >= QUERY_FULL) json_object_object_add(ctlRequest->valuesJ, "acl", getControlAcl(elemInfo));
// check for tlv [direct port from amixer.c]
if (snd_ctl_elem_info_is_tlv_readable(elemInfo)) {
unsigned int *tlv = alloca(TLV_BYTE_SIZE);
if ((err = snd_ctl_elem_tlv_read(ctlDev, elemId, tlv, 4096)) < 0) {
- AFB_NOTICE ("Control numid=%d err=%s element TLV read error\n", numid, snd_strerror(err));
- goto OnErrorExit;
+ AFB_NOTICE("Control numid=%d err=%s element TLV read error\n", numid, snd_strerror(err));
+ goto OnErrorExit;
} else {
- json_object_object_add (ctlRequest->valuesJ,"tlv", decodeTlv (tlv, TLV_BYTE_SIZE, queryMode));
- }
+ json_object_object_add(ctlRequest->valuesJ, "tlv", decodeTlv(tlv, TLV_BYTE_SIZE, queryMode));
+ }
}
}
-
- ctlRequest->used=1;
+
+ ctlRequest->used = 1;
return 0;
-
- OnErrorExit:
- ctlRequest->used=-1;
- return -1;
+
+OnErrorExit:
+ ctlRequest->used = -1;
+ return -1;
}
// assign multiple control to the same value
-STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
+
+STATIC void alsaSetGetCtls(ActionSetGetT action, afb_req request) {
ctlRequestT *ctlRequest;
- const char *warmsg=NULL;
- int err=0, status=0, done;
+ const char *warmsg = NULL;
+ int err = 0, status = 0, done;
unsigned int ctlCount;
snd_ctl_t *ctlDev;
- snd_ctl_elem_list_t *ctlList;
+ snd_ctl_elem_list_t *ctlList;
queryValuesT queryValues;
json_object *queryJ, *numidsJ, *sndctls;
-
- queryJ = alsaCheckQuery (request, &queryValues);
+
+ queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
-
+
// Prase Numids + optional values
- done= json_object_object_get_ex (queryJ, "ctl" , &numidsJ);
- if (!done) queryValues.count=0;
+ done = json_object_object_get_ex(queryJ, "ctl", &numidsJ);
+ if (!done) queryValues.count = 0;
else {
- enum json_type jtype= json_object_get_type(numidsJ);
+ enum json_type jtype = json_object_get_type(numidsJ);
switch (jtype) {
case json_type_array:
queryValues.numidsJ = numidsJ;
- queryValues.count = json_object_array_length (numidsJ);
+ queryValues.count = json_object_array_length(numidsJ);
break;
case json_type_int:
@@ -664,85 +673,85 @@ STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
queryValues.count = 1;
queryValues.numidsJ = numidsJ;
break;
-
- default:
- afb_req_fail_f (request, "numid-notarray","NumId=%s NumId not valid JSON array", json_object_get_string(numidsJ));
- goto OnErrorExit;
+
+ default:
+ afb_req_fail_f(request, "numid-notarray", "NumId=%s NumId not valid JSON array", json_object_get_string(numidsJ));
+ 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));
+ 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));
+
+ 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));
+ 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));
+
+ 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));
+ 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 (action, &queryValues, ctlRequest);
+ ctlRequest = alloca(sizeof (ctlRequestT)*(queryValues.count));
+ NumidsListParse(action, &queryValues, ctlRequest);
}
-
+
// if more than one crl requested prepare an array for response
- if (queryValues.count!= 1 && action==ACTION_GET) sndctls=json_object_new_array();
- else sndctls=NULL;
-
+ if (queryValues.count != 1 && action == ACTION_GET) sndctls = json_object_new_array();
+ else sndctls = NULL;
+
// Loop on all ctlDev controls
- for (int ctlIndex=0; ctlIndex < ctlCount; ctlIndex++) {
- unsigned int selected=0;
+ 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
+ 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);
+ int numid = snd_ctl_elem_list_get_numid(ctlList, ctlIndex);
if (numid < 0) {
AFB_NOTICE("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++) {
+ 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_t *elemId;
snd_ctl_elem_id_alloca(&elemId);
-
- snd_ctl_elem_list_get_id (ctlList, ctlIndex, elemId);
+
+ snd_ctl_elem_list_get_id(ctlList, ctlIndex, elemId);
switch (action) {
case ACTION_GET:
- err = alsaGetSingleCtl (ctlDev, elemId, &ctlRequest[jdx], queryValues.mode);
+ err = alsaGetSingleCtl(ctlDev, elemId, &ctlRequest[jdx], queryValues.mode);
break;
-
+
case ACTION_SET:
- err = alsaSetSingleCtl (ctlDev, elemId, &ctlRequest[jdx]);
+ err = alsaSetSingleCtl(ctlDev, elemId, &ctlRequest[jdx]);
break;
-
+
default:
err = 1;
}
@@ -750,51 +759,51 @@ STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
else {
// Do not embed response in an array when only one ctl was requested
if (action == ACTION_GET) {
- if (queryValues.count > 1) json_object_array_add (sndctls, ctlRequest[jdx].valuesJ);
+ if (queryValues.count > 1) json_object_array_add(sndctls, ctlRequest[jdx].valuesJ);
else sndctls = ctlRequest[jdx].valuesJ;
}
}
}
}
-
+
// if we had error let's add them into response message info
json_object *warningsJ = json_object_new_array();
- for (int jdx=0; jdx < queryValues.count; jdx++) {
+ for (int jdx = 0; jdx < queryValues.count; jdx++) {
if (ctlRequest[jdx].used <= 0) {
json_object *failctl = json_object_new_object();
- if (ctlRequest[jdx].numId == -1) json_object_object_add (failctl, "warning", json_object_new_string ("Numid Invalid"));
+ if (ctlRequest[jdx].numId == -1) json_object_object_add(failctl, "warning", json_object_new_string("Numid Invalid"));
else {
- if (ctlRequest[jdx].used == 0) json_object_object_add (failctl, "warning", json_object_new_string ("Numid Does Not Exist"));
- if (ctlRequest[jdx].used == -1) json_object_object_add (failctl, "warning", json_object_new_string ("Value Refused"));
+ if (ctlRequest[jdx].used == 0) json_object_object_add(failctl, "warning", json_object_new_string("Numid Does Not Exist"));
+ if (ctlRequest[jdx].used == -1) json_object_object_add(failctl, "warning", json_object_new_string("Value Refused"));
}
-
- json_object_object_add (failctl, "ctl", ctlRequest[jdx].jToken);
-
- json_object_array_add (warningsJ, failctl);
+
+ json_object_object_add(failctl, "ctl", ctlRequest[jdx].jToken);
+
+ json_object_array_add(warningsJ, failctl);
}
/* WARNING!!!! Check with Jose why following put free valuesJ
if (ctlRequest[jdx].jToken) json_object_put(ctlRequest[jdx].jToken);
if (ctlRequest[jdx].valuesJ) json_object_put(ctlRequest[jdx].valuesJ);
- */
+ */
}
-
- if (json_object_array_length(warningsJ) > 0) warmsg=json_object_get_string (warningsJ);
+
+ if (json_object_array_length(warningsJ) > 0) warmsg = json_object_get_string(warningsJ);
else json_object_put(warningsJ);
-
+
// send response+warning if any
- afb_req_success (request, sndctls, warmsg);
+ afb_req_success(request, sndctls, warmsg);
snd_ctl_elem_list_clear(ctlList);
-
- OnErrorExit:
- return;
+
+OnErrorExit:
+ return;
}
-PUBLIC void alsaGetCtls (afb_req request) {
- alsaSetGetCtls (ACTION_GET, request);
+PUBLIC void alsaGetCtls(afb_req request) {
+ alsaSetGetCtls(ACTION_GET, request);
}
-
-PUBLIC void alsaSetCtls (afb_req request) {
- alsaSetGetCtls (ACTION_SET, request);
+
+PUBLIC void alsaSetCtls(afb_req request) {
+ alsaSetGetCtls(ACTION_SET, request);
}
diff --git a/ALSA-afb/Alsa-Ucm.c b/ALSA-afb/Alsa-Ucm.c
index ee2b36d..016fe10 100644
--- a/ALSA-afb/Alsa-Ucm.c
+++ b/ALSA-afb/Alsa-Ucm.c
@@ -32,7 +32,7 @@
- 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>
@@ -42,75 +42,75 @@
#include "Alsa-ApiHat.h"
typedef struct {
- snd_use_case_mgr_t *ucm;
- int cardId;
- char *cardName;
-} ucmHandleT;
+ 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;
+
+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;
-
+ 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);
+ 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));
+
+ 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;
+ 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;
+ 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;
+ 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);
+ 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;
+ 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);
+ ucmHandles[idx].cardId = cardId;
+ ucmHandles[idx].cardName = strdup(cardName);
- OnSuccessExit:
- if (ctlDev) snd_ctl_close(ctlDev);
+OnSuccessExit:
+ if (ctlDev) snd_ctl_close(ctlDev);
return idx;
-
- OnErrorExit:
- if (ctlDev) snd_ctl_close(ctlDev);
+
+OnErrorExit:
+ if (ctlDev) snd_ctl_close(ctlDev);
return -1;
}
-
-PUBLIC void alsaUseCaseQuery(struct afb_req request) {
+PUBLIC void alsaUseCaseQuery(struct afb_req request) {
int verbCount, ucmIdx;
const char **verbList;
snd_use_case_mgr_t *ucmHandle;
@@ -118,318 +118,316 @@ PUBLIC void alsaUseCaseQuery(struct afb_req request) {
json_object *ucmJs;
const char *cardName;
- json_object *queryJ = alsaCheckQuery (request, &queryValues);
+ json_object *queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
-
- ucmIdx = alsaUseCaseOpen (request, &queryValues, TRUE);
+
+ 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);
+ 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;
+ 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) {
+ 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]));
-
- AFB_DEBUG ("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);
+
+ 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]));
+
+ AFB_DEBUG("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) {
+
+ for (int jdx = 0; jdx < devCount; jdx += 2) {
json_object *devJ = json_object_new_object();
- AFB_DEBUG ("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);
+ AFB_DEBUG("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);
+ json_object_object_add(ucmJ, "devices", devsJ);
snd_use_case_free_list(devList, devCount);
}
-
- snprintf (identifier, sizeof(identifier), "_modifiers/%s", verbList[idx]);
- modCount = snd_use_case_get_list (ucmHandle, identifier, &modList);
+
+ 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) {
+
+ for (int jdx = 0; jdx < modCount; jdx += 2) {
json_object *modJ = json_object_new_object();
- AFB_DEBUG ("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);
+ AFB_DEBUG("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);
+ json_object_object_add(ucmJ, "modifiers", modsJ);
snd_use_case_free_list(modList, modCount);
}
- snprintf (identifier, sizeof(identifier), "TQ/%s", verbList[idx]);
- tqCount = snd_use_case_get_list (ucmHandle, identifier, &tqList);
+ 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) {
+
+ for (int jdx = 0; jdx < tqCount; jdx += 2) {
json_object *tqJ = json_object_new_object();
- AFB_DEBUG ("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);
+ AFB_DEBUG("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);
+ json_object_object_add(ucmJ, "tqs", tqsJ);
snd_use_case_free_list(tqList, tqCount);
}
-
- json_object_array_add (ucmJs, ucmJ);
+
+ json_object_array_add(ucmJs, ucmJ);
}
-
- afb_req_success (request, ucmJs, NULL);
+
+ afb_req_success(request, ucmJs, NULL);
snd_use_case_free_list(verbList, verbCount);
-
- OnErrorExit:
+
+OnErrorExit:
return;
}
-STATIC json_object *ucmGetValue (ucmHandleT *ucmHandle, const char *verb, const char *mod, const char *label) {
+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 (!mod) mod = "";
+ if (!verb) verb = "";
+
if (!label) {
- AFB_NOTICE ("ucmGetValue cardname=[%s] value label missing", ucmHandle->cardName);
- goto OnErrorExit;
+ AFB_NOTICE("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
+
+ 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) {
- AFB_DEBUG ("ucmGetValue cardname=[%s] identifier=[%s] error=%s", ucmHandle->cardName, identifier, snd_strerror (err));
+ AFB_DEBUG("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:
+ jValue = json_object_new_string(value);
+ free(value);
+ return (jValue);
+
+OnErrorExit:
return (NULL);
}
-PUBLIC void alsaUseCaseGet (struct afb_req request) {
+PUBLIC void alsaUseCaseGet(struct afb_req request) {
int ucmIdx, labelCount;
queryValuesT queryValues;
json_object *jResponse = json_object_new_object();
json_object *jWarnings = json_object_new_array();
- const char *warnings=NULL;
-
- json_object *queryJ = alsaCheckQuery (request, &queryValues);
+ const char *warnings = NULL;
+
+ json_object *queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
-;
-
- ucmIdx = alsaUseCaseOpen (request, &queryValues, TRUE);
+ ;
+
+ 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");
-
+
+ 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;
- }
-
+ 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;
+ if (dev) mod = dev;
const char *labels = afb_req_value(request, "value");
if (!labels) {
- afb_req_fail_f (request, "ucmget-labels", "SndCard devid=[%s] name=[%s] UCM values name missing", queryValues.devid, cardName);
- goto OnErrorExit;
- }
-
+ 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;
+ 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);
+
+ enum json_type jtype = json_object_get_type(jLabels);
switch (jtype) {
- json_object *tmpJ;
-
+ json_object *tmpJ;
+
case json_type_array:
- labelCount = json_object_array_length (jLabels);
+ labelCount = json_object_array_length(jLabels);
break;
-
+
case json_type_string:
- tmpJ = json_object_new_array ();
+ tmpJ = json_object_new_array();
labelCount = 1;
- json_object_array_add (tmpJ, jLabels);
- jLabels=tmpJ;
+ json_object_array_add(tmpJ, jLabels);
+ jLabels = tmpJ;
break;
-
- default:
- afb_req_fail_f (request, "ucmget-notarray","labels=%s not valid JSON array", labels);
- goto OnErrorExit;
+
+ default:
+ afb_req_fail_f(request, "ucmget-notarray", "labels=%s not valid JSON array", labels);
+ goto OnErrorExit;
}
- for (int idx=0; idx < labelCount; idx++) {
+ 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);
+ 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);
+ json_object_array_add(jWarnings, jLabel);
}
}
-
+
// use info section to notified not found values label
- if (json_object_array_length (jWarnings) > 0) {
- json_object *tmpJ = json_object_new_object ();
- json_object_object_add (tmpJ, "no-context", jWarnings);
- warnings= json_object_get_string (tmpJ);
+ if (json_object_array_length(jWarnings) > 0) {
+ json_object *tmpJ = json_object_new_object();
+ json_object_object_add(tmpJ, "no-context", jWarnings);
+ warnings = json_object_get_string(tmpJ);
}
- afb_req_success (request, jResponse, warnings);
-
- OnErrorExit:
- return;
+ afb_req_success(request, jResponse, warnings);
+
+OnErrorExit:
+ return;
}
-
-PUBLIC void alsaUseCaseSet(struct afb_req request) {
+
+PUBLIC void alsaUseCaseSet(struct afb_req request) {
int err, ucmIdx;
queryValuesT queryValues;
json_object *jResponse = json_object_new_object();
-
- json_object *queryJ = alsaCheckQuery (request, &queryValues);
+
+ json_object *queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
-
- ucmIdx = alsaUseCaseOpen (request, &queryValues, TRUE);
+
+ 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;
-
+
+ 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");
+ 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));
+ 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));
+ 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));
+ 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, "value")) return alsaUseCaseGet(request);
-
+
if (queryValues.mode <= 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, dev, "OutputDspName");
+ if (jValue) json_object_object_add(jResponse, "OutputDspName", jValue);
- jValue = ucmGetValue (&ucmHandles[ucmIdx], verb, mod, "CapturePCM");
- if (jValue) json_object_object_add (jResponse, "CapturePCM", 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:
+ afb_req_success(request, jResponse, NULL);
+
+OnErrorExit:
return;
}
-
-
-PUBLIC void alsaUseCaseReset (struct afb_req request) {
+PUBLIC void alsaUseCaseReset(struct afb_req request) {
int err, ucmIdx;
queryValuesT queryValues;
-
- json_object *queryJ = alsaCheckQuery (request, &queryValues);
+
+ json_object *queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
-
- ucmIdx = alsaUseCaseOpen (request, &queryValues, FALSE);
+
+ ucmIdx = alsaUseCaseOpen(request, &queryValues, FALSE);
if (ucmIdx < 0) goto OnErrorExit;
-
- err= snd_use_case_mgr_reset (ucmHandles[ucmIdx].ucm);
+
+ 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_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;
+
+ afb_req_success(request, NULL, NULL);
+
+OnErrorExit:
+ return;
}
-
-PUBLIC void alsaUseCaseClose (struct afb_req request) {
+
+PUBLIC void alsaUseCaseClose(struct afb_req request) {
int err, ucmIdx;
queryValuesT queryValues;
-
- json_object *queryJ = alsaCheckQuery (request, &queryValues);
+
+ json_object *queryJ = alsaCheckQuery(request, &queryValues);
if (!queryJ) goto OnErrorExit;
-
- ucmIdx = alsaUseCaseOpen (request, &queryValues, FALSE);
+
+ ucmIdx = alsaUseCaseOpen(request, &queryValues, FALSE);
if (ucmIdx < 0) goto OnErrorExit;
-
- err= snd_use_case_mgr_close (ucmHandles[ucmIdx].ucm);
+
+ 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;
+ 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;
+ free(ucmHandles[ucmIdx].cardName);
+
+ afb_req_success(request, NULL, NULL);
+
+OnErrorExit:
+ return;
}
-
+