[FFmpeg-trac] #3091(undetermined:new): High Bitrate I-frame CBR MPEG encoding causes error

[FFmpeg]

#3091: High Bitrate I-frame CBR MPEG encoding causes error
-------------------------------------+-------------------------------------
             Reporter:  ortoni       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by ortoni):

 Yes reproducible:

 f86387bffmpeg.exe -f lavfi -i testsrc -vcodec mpeg2video -pix_fmt yuv422p
 -intra -flags +ildct+ilme -b:v 150M -minrate 150M -maxrate 150M -bufsize
 47185920 -r 25 -an -y  c:\tmpdir\xdcam.m2v
 ffmpeg version N-57605-gf86387b Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Oct 29 2013 18:01:53 with gcc 4.8.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
 --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
 --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
 librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex
 --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-
 aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx
 --enable-libwavpack --enable-libx264 --enable-libxavs --enable-libxvid
 --enable-zlib
   libavutil      52. 48.100 / 52. 48.100
   libavcodec     55. 39.100 / 55. 39.100
   libavformat    55. 19.104 / 55. 19.104
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 90.100 /  3. 90.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, lavfi, from 'testsrc':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 [mpeg2video @ 027ae1a0] bitrate tolerance too small for bitrate
 Output #0, mpeg2video, to 'c:\tmpdir\xdcam.m2v':
     Stream #0:0: Video: mpeg2video, yuv422p, 320x240 [SAR 1:1 DAR 4:3],
 q=2-31, 150000 kb/s, 90k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo -> mpeg2video)

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3091#comment:2>
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