video_box的demo程序崩溃

运行video_box demo时，有个致命错误导致程序崩溃

相关日志如下：

(media_pipeline.cc:86): vdec in grp:0 ret:0

(media_pipeline.cc:105): vdec out grp:0 ret:0

(media_pipeline.cc:138): vps in grp:0 ret:0

(media_pipeline.cc:146): vps out grp:0 ret:0

(convert.cc:48): vio message, frame_id = 135

(convert.cc:60): Input Frame ID = 135, Timestamp = 0

(convert.cc:78): input name:image

(runtime_monitor.cc:38): PushFrame frame_id = 135

(mot_method.cc:71): MOTMethod::DoProcess

(mot_method.cc:71): MOTMethod::DoProcess

(mot_method.cc:71): MOTMethod::DoProcess

(mot_method.cc:78): mot

(mot_method.cc:78): mot

(mot_method.cc:78): mot

(merge_method.cc:116): Head body Mode

(head_body.cc:145): Process HeadBodyStrategy output

(facesnap_filter_method.cc:102): filter mode

(snapshot_method.cc:57): SnapShotMethod::DoProcess

(snapshot_method.cc:97): Select Mode

(first_num_best.cc:45): SnapShot Mode

(first_num_best.cc:153): Post Track Size:0

(snapshot_method.cc:64): DoProcess cost(ms):0.103163

(runtime_monitor.cc:62): Pop frame 135

(runtime_monitor.cc:69): chn 0 erase:135

(rtsp_message.cc:47): call ~ImageVioMessage

(plot_smart_data.cc:230): recog fail,ch:0,track_id:22

(plot_smart_data.cc:230): recog fail,ch:0,track_id:1

(plot_smart_data.cc:230): recog fail,ch:0,track_id:20

(media_pipeline.cc:86): vdec in grp:0 ret:0

(media_pipeline.cc:105): vdec out grp:0 ret:0

(media_pipeline.cc:138): vps in grp:0 ret:0

(media_pipeline.cc:146): vps out grp:0 ret:0

(convert.cc:48): vio message, frame_id = 136

(convert.cc:60): Input Frame ID = 136, Timestamp = 0

(convert.cc:78): input name:image

(runtime_monitor.cc:38): PushFrame frame_id = 136

(mot_method.cc:71): MOTMethod::DoProcess

(mot_method.cc:71): MOTMethod::DoProcess

(mot_method.cc:78): mot

(mot_method.cc:78): mot

(mot_method.cc:71): MOTMethod::DoProcess

(mot_method.cc:78): mot

(merge_method.cc:116): Head body Mode

(head_body.cc:145): Process HeadBodyStrategy output

(facesnap_filter_method.cc:102): filter mode

(snapshot_method.cc:57): SnapShotMethod::DoProcess

(snapshot_method.cc:97): Select Mode

(first_num_best.cc:45): SnapShot Mode

(first_num_best.cc:153): Post Track Size:1

(snapshot_method.cc:64): DoProcess cost(ms):0.172786

(smart_plugin.cc:278): snap_v size:1

(runtime_monitor.cc:62): Pop frame 136

(runtime_monitor.cc:69): chn 0 erase:136

(rtsp_message.cc:47): call ~ImageVioMessage

(plot_smart_data.cc:230): recog fail,ch:0,track_id:22

(plot_smart_data.cc:230): recog fail,ch:0,track_id:1

(convert.cc:1102): Capture target num is 1

(convert.cc:1104): feature target num is 1

Segmentation fault (core dumped)