Problem with 2 pass FFMPEG

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Hi thanks
the first pass command successd without any error but the seond pass command 
failed

here the full command
./ppss -d temp_video_files -c 'ffmpeg -y -i "$ITEM" -pass 1 -b 6582k -maxrate 
20480000 -bufsize 25600000 -vcodec libx264 -level 40 -qns 3 -an -threads 2 
-coder 1 -flags +loop -cmp +chroma -partitions 
-parti8x8-parti4x4-partp8x8-partp4x4-partb8x8 -me_method dia -subq 2 -me_range 
16 -g 25 -sc_threshold 40 -i_qfactor 0.71 -b_strategy 1 -qcomp 0.6 -qmin 0 
-qmax 69 -qdiff 4 -bf 3 -refs 1 -directpred 1 -trellis 0 -flags2 
-bpyramid-wpred-mixed_refs-dct8x8+fastpskip -wpredp 2 -f matroska -s 128x128 
/dev/null || ffmpeg -y -i "$ITEM" -pass 2 -b 6582k -maxrate 20480000 -bufsize 
25600000 -vcodec libx264 -level 40 -qns 3 -acodec libfaac -ab 256k -ac 2 
-threads 2 -coder 1 -flags +loop -cmp +chroma -partitions 
+parti8x8+parti4x4+partp8x8+partb8x8 -me_method umh -subq 8 -me_range 22 -g 25 
-sc_threshold 40 -i_qfactor 0.71 -b_strategy 2 -qcomp 0.6 -qmin 0 -qmax 69 
-qdiff 4 -bf 3 -refs 4 -directpred 1 -trellis 1 -flags2 
+wpred+mixed_refs+dct8x8+fastpskip -wpredp 2 -f matroska -s 128x128 
"$OUTPUT_DIR/$OUTPUT_FILE.mkv"'

I hope this helps you
Thanks Sascha

Original issue reported on code.google.com by Louwrentius on 24 May 2011 at 8:47