Set video_signal_description struct to 0 by default (#605)

* Update avc_parser.cpp

* Update hevc_parser.cpp

src/parser/avc_parser.cpp

@@ -398,6 +398,7 @@ ParserResult AvcVideoParser::NotifyNewSps(AvcSeqParameterSet *p_sps) {
     }
 
     video_format_params_.reconfig_options = ROCDEC_RECONFIG_NEW_SURFACES;
+    video_format_params_.video_signal_description = {0};
     if (p_sps->vui_parameters_present_flag) {
         video_format_params_.video_signal_description.video_format = p_sps->vui_seq_parameters.video_format;
         video_format_params_.video_signal_description.video_full_range_flag = p_sps->vui_seq_parameters.video_full_range_flag;
@@ -3568,4 +3569,4 @@ void AvcVideoParser::PrintVappiBufInfo() {
         MSG("");
     }
 }
-#endif // DBGINFO
+#endif // DBGINFO

src/parser/hevc_parser.cpp

@@ -194,6 +194,7 @@ int HevcVideoParser::FillSeqCallbackFn(HevcSeqParamSet* sps_data) {
     }
 
     video_format_params_.reconfig_options = ROCDEC_RECONFIG_NEW_SURFACES;
+    video_format_params_.video_signal_description = {0};
     if (sps_data->vui_parameters_present_flag) {
         video_format_params_.video_signal_description.video_format = sps_data->vui_parameters.video_format;
         video_format_params_.video_signal_description.video_full_range_flag = sps_data->vui_parameters.video_full_range_flag;
@@ -2955,4 +2956,4 @@ void HevcVideoParser::PrintVappiBufInfo() {
         MSG("");
     }
 }
-#endif // DBGINFO
+#endif // DBGINFO