Check for reconstruction/decode deync in build.sh

Add a check for reconstructed vs decoded image difference on each build in build.sh

build.sh

@@ -61,6 +61,8 @@ fi
 
 # File containing the encoded sequence
 ENC_FILE="enc_file.ivf"
+# File containing the reconstructed sequence
+REC_FILE="rec_file.y4m"
 # File containing the decoded sequence
 DEC_FILE="dec_file.y4m"
 
@@ -68,11 +70,14 @@ DEC_FILE="dec_file.y4m"
 export RUST_BACKTRACE=1
 
 # Build and run encoder
-cargo run --bin rav1e --release -- $SEQ -o $ENC_FILE -s 3
+cargo run --bin rav1e --release -- $SEQ -o $ENC_FILE -s 3 -r $REC_FILE
 
 # Decode
 ${AOM_TEST}/aomdec $ENC_FILE -o $DEC_FILE
 
+# Input/Output compare
+cmp <(tail -n+2 $DEC_FILE) <(tail -n+2 $REC_FILE)
+
 # Daala tools support coming soon
 #DAALA_TOOLS="../daala/tools/"
 # Convert to png