avcodec/evc_ps: Replace av_malloc+memset by av_mallocz

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/evc_ps.c

@@ -143,12 +143,10 @@ int ff_evc_parse_sps(GetBitContext *gb, EVCParamSets *ps)
     if (sps_seq_parameter_set_id >= EVC_MAX_SPS_COUNT)
         return AVERROR_INVALIDDATA;
 
-    sps = av_malloc(sizeof(*sps));
+    sps = av_mallocz(sizeof(*sps));
     if (!sps)
         return AVERROR(ENOMEM);
 
-    memset(sps, 0, sizeof(*sps));
-
     sps->sps_seq_parameter_set_id = sps_seq_parameter_set_id;
 
     // the Baseline profile is indicated by profile_idc eqal to 0
@@ -318,12 +316,10 @@ int ff_evc_parse_pps(GetBitContext *gb, EVCParamSets *ps)
     if (pps_pic_parameter_set_id >= EVC_MAX_PPS_COUNT)
         return AVERROR_INVALIDDATA;
 
-    pps = av_malloc(sizeof(*pps));
+    pps = av_mallocz(sizeof(*pps));
     if (!pps)
         return AVERROR(ENOMEM);
 
-    memset(pps, 0, sizeof(*pps));
-
     pps->pps_pic_parameter_set_id = pps_pic_parameter_set_id;
 
     pps->pps_seq_parameter_set_id = get_ue_golomb(gb);