diff options
author | fulup <fulup.arfoll@iot.bzh> | 2017-07-25 11:37:10 +0200 |
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committer | fulup <fulup.arfoll@iot.bzh> | 2017-07-25 11:37:10 +0200 |
commit | 593ed6dc72274f86046aae3dc6b264c568241917 (patch) | |
tree | 32615a58bedbc0b2fcdf05db4a66d15ceafd763a /HAL-afb/HAL-interface/hal-volmap.c | |
parent | a7a6ae4be87ee9178905ab784d84a4c0a8303f9b (diff) |
Initial version of HAL with Set/Get operation
Diffstat (limited to 'HAL-afb/HAL-interface/hal-volmap.c')
-rw-r--r-- | HAL-afb/HAL-interface/hal-volmap.c | 97 |
1 files changed, 74 insertions, 23 deletions
diff --git a/HAL-afb/HAL-interface/hal-volmap.c b/HAL-afb/HAL-interface/hal-volmap.c index de99974..2b619fd 100644 --- a/HAL-afb/HAL-interface/hal-volmap.c +++ b/HAL-afb/HAL-interface/hal-volmap.c @@ -24,26 +24,30 @@ typedef enum { - DB_NORMALIZE_LINEAR, - DB_NORMALIZE_MATH, + NORMALIZE_NONE=0, + NORMALIZE_DB_LINEAR, + NORMALIZE_DB_MATH, + NORMALIZE_LINEAR, } enumRandeModeDB_T; + // Return Value express from 0-100% STATIC int dbNormalizeVal (enumRandeModeDB_T normaliseMode, const alsaHalDBscaleT *dbscale, int value) { double normalized, min_norm; - + // To get real DB from TLV DB values should be divided by 100 switch (normaliseMode) { - case DB_NORMALIZE_LINEAR: - normalized = ((double)(value-dbscale->min)/(double)(dbscale->max-dbscale->min))*100; + case NORMALIZE_DB_LINEAR: + normalized = ((double)(value-dbscale->min)/(double)(dbscale->max-dbscale->min)); break; - case DB_NORMALIZE_MATH: + case NORMALIZE_DB_MATH: normalized = exp10((double)(value - dbscale->max) / 6000.0); if (dbscale->min != SND_CTL_TLV_DB_GAIN_MUTE) { - min_norm = exp10((double)(dbscale->min - dbscale->max) / 6000.0); + min_norm = exp10((double)(dbscale->min - dbscale->max) / 20); normalized = (normalized - min_norm) / (1 - min_norm); } + break; default: @@ -54,35 +58,82 @@ STATIC int dbNormalizeVal (enumRandeModeDB_T normaliseMode, const alsaHalDBscale } // HAL normalise volume values to 0-100% -PUBLIC struct json_object *GetNormaliseVolume(const alsaHalCtlMapT *halCtls, struct json_object *valuesJ) { - int useNormalizeDB; +PUBLIC struct json_object *SetGetNormaliseVolumes(ActionSetGetT action, const alsaHalCtlMapT *halCtls, struct json_object *valuesJ) { + enumRandeModeDB_T useNormalizeDB; + int length; + + // If Integer look for DBscale + if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) { - // If not valid db_scale let's use raw_scale - if (!halCtls->dbscale || (halCtls->dbscale->min >= halCtls->dbscale->max)) { + // If not valid db_scale let's use raw_scale + if (!halCtls->dbscale || (halCtls->dbscale->min >= halCtls->dbscale->max)) { // dbscale is invalid let's try raw range if (halCtls->minval >= halCtls->maxval) goto ExitOnError; // Use Raw Scale Model - useNormalizeDB= 0; + useNormalizeDB= NORMALIZE_LINEAR; - } else { // db_scale looks OK let's use it - if ((halCtls->dbscale->max - halCtls->dbscale->min) <= MAX_LINEAR_DB_SCALE * 100) useNormalizeDB= DB_NORMALIZE_LINEAR; - else useNormalizeDB = DB_NORMALIZE_MATH; - - } + } else { // db_scale looks OK let's use it + if ((halCtls->dbscale->max - halCtls->dbscale->min) <= MAX_LINEAR_DB_SCALE * 100) useNormalizeDB= NORMALIZE_DB_LINEAR; + else useNormalizeDB = NORMALIZE_LINEAR; // Fulup not sure how to handle this useNormalizeDB=NORMALIZE_DB_MATH; + } + } else useNormalizeDB= NORMALIZE_NONE; + // loop on values to normalise - int length = json_object_array_length(valuesJ); + enum json_type jtype=json_object_get_type(valuesJ); + if (jtype == json_type_array) length = json_object_array_length(valuesJ); + else length = 1; + json_object *normalisedJ= json_object_new_array(); - for (int idx=0; idx <length; idx++) { - json_object *valueJ = json_object_array_get_idx (valuesJ, idx); - int value = json_object_get_int(valueJ); + for (int idx=0; idx < length; idx++) { + int value; + + if (jtype == json_type_array) { + json_object *valueJ = json_object_array_get_idx (valuesJ, idx); + value = json_object_get_int(valueJ); + } else { + value = json_object_get_int(valuesJ); + } // If Integer scale to 0/100 if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) { - if (useNormalizeDB) value = dbNormalizeVal (useNormalizeDB, halCtls->dbscale, value); - else value = 100* (value - halCtls->minval) / (halCtls->maxval - halCtls->minval); + + switch (action) { + + case ACTION_GET: + switch (useNormalizeDB) { + case NORMALIZE_LINEAR: + value = 100* (value - halCtls->minval) / (halCtls->maxval - halCtls->minval); + break; + case NORMALIZE_DB_MATH: //ToBeDone + value = dbNormalizeVal (useNormalizeDB, halCtls->dbscale, value); + break; + case NORMALIZE_NONE: + default: + value = value; + } + break; + + case ACTION_SET: + switch (useNormalizeDB) { + case NORMALIZE_LINEAR: + value = (value * (halCtls->maxval - halCtls->minval))/100; + break; + case NORMALIZE_DB_MATH: //ToBeDone + value = dbNormalizeVal (useNormalizeDB, halCtls->dbscale, value); + break; + case NORMALIZE_NONE: + default: + value = value; + } + break; + + default: + AFB_NOTICE ("SetGetNormaliseVolumes: invalid action value=%d", (int)action); + goto ExitOnError; + } } json_object_array_add(normalisedJ, json_object_new_int(value)); |