diff options
| -rw-r--r-- | 4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c | 35 |
1 files changed, 31 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 cc29dc9..7ea61ac 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 @@ -488,7 +488,10 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request) json_object *requestJson, *valueJ, - *convertedJ; + *convertedJ, + *answerJ, + *previousControlValuesJ, + *normalizedPreviousControlValuesJ; apiHandle = (AFB_ApiT) AFB_ReqGetApi(request); if(! apiHandle) { @@ -524,19 +527,43 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request) return; } + snprintf(cardIdString, 6, "hw:%i", currentCtlHalData->sndCardId); + + if(HalCtlsGetAlsaCtlValues(apiHandle, cardIdString, ¤tAlsaCtl->ctl, &previousControlValuesJ)) { + AFB_ReqFailF(request, "previous_values", "Error when trying to get unchanged alsa control values"); + return; + } + else if(HalCtlsConvertJsonValues(apiHandle, + ¤tAlsaCtl->ctl.alsaCtlProperties, + previousControlValuesJ, + &normalizedPreviousControlValuesJ, + CONVERSION_ALSACORE_TO_NORMALIZED)) { + AFB_ReqFailF(request, + "request_json", + "Error when trying to normalize unchanged alsa control values json '%s'", + json_object_get_string(previousControlValuesJ)); + json_object_put(previousControlValuesJ); + return; + } + requestJson = AFB_ReqJson(request); if(! requestJson) { - AFB_ReqFail(request, "request_json", "Can't get request json"); + wrap_json_pack(&answerJ, + "{s:o}", + "current", normalizedPreviousControlValuesJ); + AFB_ReqSuccess(request, answerJ, "Current controls values"); + json_object_put(previousControlValuesJ); return; } + json_object_put(previousControlValuesJ); + json_object_put(normalizedPreviousControlValuesJ); + 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)); return; } - snprintf(cardIdString, 6, "hw:%i", currentCtlHalData->sndCardId); - if(wrap_json_unpack(requestJson, "{s:o}", "value", &valueJ)) { AFB_ReqFailF(request, "request_json", "Error when trying to get request value object inside request '%s'", |