[FFmpeg-trac] #3508(undetermined:new): Cannot open stats file on second pass when attempting to generate multiple outputs.

[FFmpeg]

#3508: Cannot open stats file on second pass when attempting to generate multiple
outputs.
-------------------------------------+-------------------------------------
             Reporter:  ianken       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 One input, two outputs. Second pass. Stats file cannot be opened. If the
 operation is broken into two commands run run serially then it works fine.

 C:\X264Test>ffmpeg -y -i big_buck_bunny_720p_stereo.avi -vf
 scale=240:trunc(ow/a/2)*2 -g 48 -keyint_mi
 n 6 -vcodec libx264 -b:v 400k -pass 2 -an -f mp4 big_buck_bunny_100.mp4
 -vf scale=320:trunc(ow/a/2)*2 -g 48 -keyint_min
 6 -vcodec libx264 -b:v 700k -pass 2 -an -f mp4 big_buck_bunny_200.mp4
 ffmpeg version N-61914-g657cee1 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Mar 28 2014 22:02:04 with gcc 4.8.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfi
 g --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-
 libbluray --enable-libcaca --enable-libfreetyp
 e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopenco
 re-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsoxr --enable-libsp
 eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvo-aacenc --enable-libvo-amrwbenc --enable-li
 bvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-
 libx265 --enable-libxavs --enable-libxvid --enable
 -zlib
   libavutil      52. 69.100 / 52. 69.100
   libavcodec     55. 55.104 / 55. 55.104
   libavformat    55. 36.100 / 55. 36.100
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  3.100 /  4.  3.100
   libswscale      2.  5.102 /  2.  5.102
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from 'big_buck_bunny_720p_stereo.avi':
   Metadata:
     encoder         : MEncoder 2:1.0~rc2-0ubuntu13
   Duration: 00:09:56.46, start: 0.000000, bitrate: 3815 kb/s
     Stream #0:0: Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 1280x720,
 3556 kb/s, 24 tbr, 24 tbn, 24 tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p,
 245 kb/s
 [libx264 @ 03ffd420] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX
 [libx264 @ 03ffd420] profile High, level 1.3
 [libx264 @ 03ffd420] 264 - core 142 r2409 d6b4e63 - H.264/MPEG-4 AVC codec
 - Copyleft 2003-2014 - http://www.videolan.or
 g/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113
 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 m
 e_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11
 fast_pskip=1 chroma_qp_offset=-2 threads=18 lookahead_thr
 eads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0
 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
  b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=48 keyint_min=6
 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=
 2pass mbtree=1 bitrate=400 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69
 qpstep=4 cplxblur=20.0 qblur=0.5 ip_ratio=1.40 aq=1:1
 .00
 [libx264 @ 003c9de0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX
 [libx264 @ 003c9de0] ratecontrol_init: can't open stats file
 Output #0, mp4, to 'big_buck_bunny_100.mp4':
   Metadata:
     encoder         : MEncoder 2:1.0~rc2-0ubuntu13
     Stream #0:0: Video: h264 (libx264), yuv420p, 240x134, q=-1--1, pass 2,
 400 kb/s, 90k tbn, 24 tbc
 Output #1, mp4, to 'big_buck_bunny_200.mp4':
   Metadata:
     encoder         : MEncoder 2:1.0~rc2-0ubuntu13
     Stream #1:0: Video: h264, yuv420p, 320x180, q=-1--1, pass 2, 700 kb/s,
 90k tbn, 24 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (msmpeg4v2 -> libx264)
   Stream #0:0 -> #1:0 (msmpeg4v2 -> libx264)
 Error while opening encoder for output stream #1:0 - maybe incorrect
 parameters such as bit_rate, rate, width or height

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Ticket URL: <https://trac.ffmpeg.org/ticket/3508>
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