diff options
Diffstat (limited to '4a-hal/4a-hal-controllers')
3 files changed, 118 insertions, 4 deletions
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c index f360ceb..4ae5a13 100644 --- a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c +++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c @@ -558,10 +558,9 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request) return; } - json_object_put(previousControlValuesJ); - if(! json_object_is_type(requestJson, json_type_object)) { AFB_ReqFailF(request, "request_json", "Request json is not valid '%s'", json_object_get_string(requestJson)); + json_object_put(previousControlValuesJ); json_object_put(normalizedPreviousControlValuesJ); return; } @@ -570,11 +569,13 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request) AFB_ReqFailF(request, "request_json", "Error when trying to get request value object inside request '%s'", json_object_get_string(requestJson)); + json_object_put(previousControlValuesJ); json_object_put(normalizedPreviousControlValuesJ); return; } - if(HalCtlsConvertJsonValues(apiHandle, + if((! json_object_is_type(valueJ, json_type_string)) && + HalCtlsConvertJsonValues(apiHandle, ¤tAlsaCtl->ctl.alsaCtlProperties, valueJ, &convertedJ, @@ -583,14 +584,32 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request) "request_json", "Error when trying to convert request values '%s'", json_object_get_string(valueJ)); + json_object_put(previousControlValuesJ); json_object_put(normalizedPreviousControlValuesJ); return; } + else if(json_object_is_type(valueJ, json_type_string) && + HalCtlsChangePreviousValuesUsingJson(apiHandle, + ¤tAlsaCtl->ctl.alsaCtlProperties, + valueJ, + previousControlValuesJ, + &convertedJ)) { + AFB_ReqFailF(request, + "previous_values", + "Error when trying to generate changed alsa control values (values : '%s', previous :'%s')", + json_object_get_string(valueJ), + json_object_get_string(previousControlValuesJ)); + json_object_put(previousControlValuesJ); + json_object_put(normalizedPreviousControlValuesJ); + return; + } + + json_object_put(previousControlValuesJ); if(HalCtlsSetAlsaCtlValue(apiHandle, cardIdString, currentAlsaCtl->ctl.numid, convertedJ)) { AFB_ReqFailF(request, "alsa_control_call_error", - "Error while trying to set value on alsa control %i, device '%s', converted '%s'", + "Error while trying to set value on alsa control %i, device '%s', converted message '%s'", currentAlsaCtl->ctl.numid, cardIdString, json_object_get_string(convertedJ)); diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c index 18c4113..7a3dedd 100644 --- a/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c +++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c @@ -262,4 +262,92 @@ int HalCtlsConvertJsonValues(AFB_ApiT apiHandle, *ConvertedJ = convertedArrayJ; return 0; +} + +int HalCtlsChangePreviousValuesUsingJson(AFB_ApiT apiHandle, + struct CtlHalAlsaCtlProperties *alsaCtlProperties, + json_object *requestedPercentageVariationJ, + json_object *previousControlValuesJ, + json_object **ChangedJ) +{ + int requestedPercentageVariation, requestedeVariation, toChangeValue, changedValue, idx, count; + + char *requestedPercentageVariationString, *conversionEnd; + + json_object *toChangeObjectJ, *changedArrayJ; + + *ChangedJ = NULL; + + requestedPercentageVariationString = (char *) json_object_get_string(requestedPercentageVariationJ); + + requestedPercentageVariation = (int) strtol(requestedPercentageVariationString, &conversionEnd, 10); + if(conversionEnd == requestedPercentageVariationString) { + AFB_ApiError(apiHandle, + "Tried to increase/decrease an integer control \ + but string sent in json is not a increase/decrease string : '%s'", + json_object_get_string(requestedPercentageVariationJ)); + return -1; + } + + if(alsaCtlProperties->type != SND_CTL_ELEM_TYPE_INTEGER && + alsaCtlProperties->type != SND_CTL_ELEM_TYPE_INTEGER64) { + AFB_ApiError(apiHandle, + "Tried to increase/decrease values on a incompatible \ + control type (%i), control type must be an integer", + alsaCtlProperties->type); + return -2; + } + + if(requestedPercentageVariation < -100 || requestedPercentageVariation > 100) { + AFB_ApiError(apiHandle, + "Tried to increase/decrease values but specified change is \ + not a valid percentage, it should be between -100 and 100"); + return -3; + } + + requestedeVariation = HalCtlsConvertPercentageToValue((int) abs(requestedPercentageVariation), + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + + if(requestedeVariation == -INT_MAX) { + AFB_ApiError(apiHandle, + "Didn't succeed to convert %i (using min %i et max %i)", + requestedPercentageVariation, + alsaCtlProperties->minval, + alsaCtlProperties->maxval); + return -4; + } + + if(requestedPercentageVariation < 0) + requestedeVariation = -requestedeVariation; + + count = (int) json_object_array_length(previousControlValuesJ); + + changedArrayJ = json_object_new_array(); + + for(idx = 0; idx < count; idx++) { + toChangeObjectJ = json_object_array_get_idx(previousControlValuesJ, idx); + + if(! json_object_is_type(toChangeObjectJ, json_type_int)) { + AFB_ApiError(apiHandle, + "Current json object %s is not an integer", + json_object_get_string(toChangeObjectJ)); + return -(10 + idx); + } + + toChangeValue = json_object_get_int(toChangeObjectJ); + + if((toChangeValue + requestedeVariation) < alsaCtlProperties->minval) + changedValue = alsaCtlProperties->minval; + else if((toChangeValue + requestedeVariation) > alsaCtlProperties->maxval) + changedValue = alsaCtlProperties->maxval; + else + changedValue = toChangeValue + requestedeVariation; + + json_object_array_put_idx(changedArrayJ, idx, json_object_new_int(changedValue)); + } + + *ChangedJ = changedArrayJ; + + return 0; }
\ No newline at end of file diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h index f976fe8..4844952 100644 --- a/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h +++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h @@ -41,4 +41,11 @@ int HalCtlsConvertJsonValues(AFB_ApiT apiHandle, json_object **ConvertedJ, enum ConversionType requestedConversion); +// Increase/Decrease previous values using percentage passed in Json +int HalCtlsChangePreviousValuesUsingJson(AFB_ApiT apiHandle, + struct CtlHalAlsaCtlProperties *alsaCtlProperties, + json_object *requestedPercentageVariationJ, + json_object *previousControlValuesJ, + json_object **ChangedJ); + #endif /* _HAL_CTLS_VALUE_CONVERSION_INCLUDE_ */
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