[FFmpeg-trac] #1578(undetermined:open): variable FPS incorrect frame length

FFmpeg trac at avcodec.org
Mon Dec 9 13:22:25 CET 2013


#1578: variable FPS incorrect frame length
-------------------------------------+-------------------------------------
             Reporter:  kubabrecka   |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  fps          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by er.anshul.maheshwari@…):

 It does not work even with -vf fps
 Below was my command
 ffmpeg -r 1/5  -f concat -i /tmp/tmpsaR4EA -i audio/sound.mp3 -vf
 "format=yuv420p,scale=640x480,subtitles=/tmp/tmpKu6UJ3.srt,fps=25"
 "output/Great_Lakes_region_timeshare_camp.mp4"
 {{{
 ffmpeg version 2.1.1 Copyright (c) 2000-2013 the FFmpeg developers
   built on Dec  9 2013 15:48:15 with gcc 4.7 (SUSE Linux)
   configuration: --enable-libass --enable-libfaac --enable-libx264
 --enable-nonfree --enable-gpl
   libavutil      52. 48.101 / 52. 48.101
   libavcodec     55. 39.101 / 55. 39.101
   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, concat, from '/tmp/tmpsaR4EA':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: mjpeg, yuvj444p(pc), 640x480 [SAR 72:72 DAR 4:3],
 25 tbr, 25 tbn, 25 tbc
 Input #1, mp3, from 'audio/sound.mp3':
   Metadata:
     album           : @RdxMob.Com
     encoded_by      : Tagged by Flash Renamer - http://www.rlvision.com
     title           : Sound_Of_Nature::www.RdxMoB.CoM
     artist          : @RdxMob.Com
     track           : Sound_Of_Nature
     TDTG            : 2010-02-13T16:18:41
   Duration: 00:00:29.07, start: 0.000000, bitrate: 128 kb/s
     Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s
 File 'output/Great_Lakes_region_timeshare_camp.mp4' already exists.
 Overwrite ? [y/N] y
 [swscaler @ 0xab9ffa0] deprecated pixel format used, make sure you did set
 range correctly
 [libx264 @ 0xaa30ac0] using SAR=1/1
 [libx264 @ 0xaa30ac0] using cpu capabilities: MMX2 SSE2Fast SSSE3
 FastShuffle SSE4.2 AVX
 [libx264 @ 0xaa30ac0] profile High, level 3.0
 [libx264 @ 0xaa30ac0] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft
 2003-2012 - http://www.videolan.org/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 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0
 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6
 lookahead_threads=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=250 keyint_min=25
 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 Output #0, mp4, to 'output/Great_Lakes_region_timeshare_camp.mp4':
   Metadata:
     encoder         : Lavf55.19.104
     Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p,
 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 12800 tbn, 25 tbc
     Stream #0:1: Audio: aac (libfaac) ([64][0][0][0] / 0x0040), 44100 Hz,
 stereo, s16, 128 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg -> libx264)
   Stream #1:0 -> #0:1 (mp3 -> libfaac)
 Press [q] to stop, [?] for help
 [Parsed_subtitles_2 @ 0xaa27ee0] Neither PlayResX nor PlayResY defined.
 Assuming 384x288
 [Parsed_subtitles_2 @ 0xaa27ee0] fontconfig: Selected font is not the
 requested one: 'Arimo' != 'Arial'
 Input stream #0:0 frame changed from size:640x480 fmt:yuvj444p to
 size:259x194 fmt:yuvj420p
 [swscaler @ 0xab99d40] deprecated pixel format used, make sure you did set
 range correctly
 [Parsed_subtitles_2 @ 0xaa100e0] Neither PlayResX nor PlayResY defined.
 Assuming 384x288
 [Parsed_subtitles_2 @ 0xaa100e0] fontconfig: Selected font is not the
 requested one: 'Arimo' != 'Arial'
 Input stream #0:0 frame changed from size:259x194 fmt:yuvj420p to
 size:640x480 fmt:yuvj444p
 [swscaler @ 0xab99c80] deprecated pixel format used, make sure you did set
 range correctly
 [Parsed_subtitles_2 @ 0xaa0bcc0] Neither PlayResX nor PlayResY defined.
 Assuming 384x288
 [Parsed_subtitles_2 @ 0xaa0bcc0] fontconfig: Selected font is not the
 requested one: 'Arimo' != 'Arial'
 [output stream 0:0 @ 0xaa2b5c0] 100 buffers queued in output stream 0:0,
 something may be wrong.
 [mp3 @ 0xaa2e840] Header missing     390kB time=00:00:27.92 bitrate=
 114.4kbits/s
 Error while decoding stream #1:0: Invalid data found when processing input
 frame= 2876 fps=513 q=-1.0 Lsize=     634kB time=00:01:54.96 bitrate=
 45.2kbits/s
 video:130kB audio:454kB subtitle:0 global headers:0kB muxing overhead
 8.601034%
 [libx264 @ 0xaa30ac0] frame I:12    Avg QP:19.38  size:  5643
 [libx264 @ 0xaa30ac0] frame P:725   Avg QP:27.91  size:    28
 [libx264 @ 0xaa30ac0] frame B:2139  Avg QP:28.00  size:    21
 [libx264 @ 0xaa30ac0] consecutive B-frames:  0.8%  0.0%  0.0% 99.2%
 [libx264 @ 0xaa30ac0] mb I  I16..4: 90.9%  4.1%  4.9%
 [libx264 @ 0xaa30ac0] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%
 0.0%  0.0%  0.0%    skip:100.0%
 [libx264 @ 0xaa30ac0] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.1%  0.0%
 0.0%  direct: 0.0%  skip:99.9%  L0:41.0% L1:59.0% BI: 0.0%
 [libx264 @ 0xaa30ac0] 8x8 transform intra:3.8% inter:62.7%
 [libx264 @ 0xaa30ac0] coded y,uvDC,uvAC intra: 5.1% 0.0% 0.0% inter: 0.0%
 0.0% 0.0%
 [libx264 @ 0xaa30ac0] i16 v,h,dc,p: 95%  2%  3%  0%
 [libx264 @ 0xaa30ac0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 31% 25%  7%  2%
 4%  3%  3%  6%
 [libx264 @ 0xaa30ac0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 23% 24%  3%  5%
 4%  6%  4%  5%
 [libx264 @ 0xaa30ac0] i8c dc,h,v,p: 100%  0%  0%  0%
 [libx264 @ 0xaa30ac0] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0xaa30ac0] ref P L0: 81.5%  8.2%  5.2%  5.2%
 [libx264 @ 0xaa30ac0] ref B L0: 81.5% 18.3%  0.2%
 [libx264 @ 0xaa30ac0] ref B L1: 98.6%  1.4%
 [libx264 @ 0xaa30ac0] kb/s:9.23
 [
 }}}

 My 3 starting image were missing, I tried putting fps filter at each
 place, position of fps filter does not solve my problem

--
Ticket URL: <https://trac.ffmpeg.org/ticket/1578#comment:6>
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