replace memcpy with memmove

Author: 印体亮

examples/tsinfo.c

@@ -73,7 +73,7 @@ int main(int argc, char **charv) {
         // this may happen if we read partial packets from file, or there was
         // some corruption in the TS stream.
         if(parsed < count) {
-            memcpy(buffer, buffer, count - parsed);
+            memmove(buffer, buffer, count - parsed);
         }
     } while(count > 0);
 
@@ -99,7 +99,7 @@ void event_cb(TSDemuxContext *ctx, uint16_t pid, TSDEventId event_id, void *data
         TSDPESPacket *pes = (TSDPESPacket*) data;
         // This is where we would write the PES data into our buffer.
         printf("\n====================\n");
-        printf("PID %d PES Packet, Size: %d\n", pid, pes->data_bytes_length);
+        printf("PID %d PES Packet, Size: %d, stream_id=%u, pts=%llu, dts=%llu\n", pid, pes->data_bytes_length, pes->stream_id, pes->pts, pes->dts);
     }else if(event_id == TSD_EVENT_ADAP_FIELD_PRV_DATA) {
         // we're only watching for SCTE Adaptions Field Private Data,
         // so we know that we must parse it as a list of descritors.