[FFmpeg-trac] #2456(avfilter:open): can't concatenate two video files because of different SARs

FFmpeg trac at avcodec.org
Thu Apr 11 14:01:04 CEST 2013


#2456: can't concatenate two video files because of different SARs
------------------------------------+------------------------------------
             Reporter:  DK          |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  aspect      |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+------------------------------------

Comment (by cehoyos):

 {{{
 $ ffmpeg -i tests/lena.pnm sar0.mp4
 ffmpeg version N-51893-gd83c481 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 11 2013 13:59:45 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack --enable-libx264
   libavutil      52. 26.100 / 52. 26.100
   libavcodec     55.  2.100 / 55.  2.100
   libavformat    55.  2.100 / 55.  2.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 52.101 /  3. 52.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, image2, from 'tests/lena.pnm':
   Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
 [format @ 0x25931c0] This syntax is deprecated. Use '|' to separate the
 list items.
 No pixel format specified, yuv444p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x25911e0] using cpu capabilities: MMX2 SSE2Fast SSSE3
 FastShuffle SSE4.2 AVX
 [libx264 @ 0x25911e0] profile High 4:4:4 Predictive, level 1.3, 4:4:4
 8-bit
 [libx264 @ 0x25911e0] 264 - core 128 - 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=4 threads=12
 lookahead_threads=2 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 'sar0.mp4':
   Metadata:
     encoder         : Lavf55.2.100
     Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv444p, 256x256,
 q=-1--1, 12800 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (ppm -> libx264)
 Press [q] to stop, [?] for help
 frame=    1 fps=0.0 q=28.0 Lsize=       6kB time=00:00:00.04
 bitrate=1283.8kbits/s
 video:5kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 13.429935%
 [libx264 @ 0x25911e0] frame I:1     Avg QP:30.12  size:  4947
 [libx264 @ 0x25911e0] mb I  I16..4:  7.0% 62.9% 30.1%
 [libx264 @ 0x25911e0] 8x8 transform intra:62.9%
 [libx264 @ 0x25911e0] coded y,u,v intra: 74.9% 36.6% 41.4%
 [libx264 @ 0x25911e0] i16 v,h,dc,p: 56%  6% 11% 28%
 [libx264 @ 0x25911e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31%  7% 15% 11%  4%
 8%  4% 14%  7%
 [libx264 @ 0x25911e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29%  6% 14% 15%  6%
 10%  4% 13%  3%
 [libx264 @ 0x25911e0] kb/s:989.40
 }}}
 {{{
 $ ffmpeg -i sar0.mp4 sar1.avi
 ffmpeg version N-51893-gd83c481 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 11 2013 13:59:45 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack --enable-libx264
   libavutil      52. 26.100 / 52. 26.100
   libavcodec     55.  2.100 / 55.  2.100
   libavformat    55.  2.100 / 55.  2.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 52.101 /  3. 52.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sar0.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf55.2.100
   Duration: 00:00:00.04, start: 0.000000, bitrate: 1283 kb/s
     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 /
 0x31637661), yuv444p, 256x256, 1124 kb/s, 25 fps, 25 tbr, 12800 tbn, 50
 tbc
     Metadata:
       handler_name    : VideoHandler
 Output #0, avi, to 'sar1.avi':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     ISFT            : Lavf55.2.100
     Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 256x256,
 q=2-31, 200 kb/s, 25 tbn, 25 tbc
     Metadata:
       handler_name    : VideoHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> mpeg4)
 Press [q] to stop, [?] for help
 frame=    1 fps=0.0 q=3.8 Lsize=      15kB time=00:00:00.04
 bitrate=3097.6kbits/s
 video:10kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 58.331630%
 }}}
 {{{
 $ ffmpeg -i sar0.mp4 -i sar1.avi -filter_complex concat out.avi
 ffmpeg version N-51893-gd83c481 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 11 2013 13:59:45 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack --enable-libx264
   libavutil      52. 26.100 / 52. 26.100
   libavcodec     55.  2.100 / 55.  2.100
   libavformat    55.  2.100 / 55.  2.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 52.101 /  3. 52.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sar0.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf55.2.100
   Duration: 00:00:00.04, start: 0.000000, bitrate: 1283 kb/s
     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 /
 0x31637661), yuv444p, 256x256, 1124 kb/s, 25 fps, 25 tbr, 12800 tbn, 50
 tbc
     Metadata:
       handler_name    : VideoHandler
 Input #1, avi, from 'sar1.avi':
   Metadata:
     encoder         : Lavf55.2.100
   Duration: 00:00:00.04, start: 0.000000, bitrate: 3097 kb/s
     Stream #1:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46),
 yuv420p, 256x256 [SAR 1:1 DAR 1:1], 25 tbr, 25 tbn, 25 tbc
 [Parsed_concat_0 @ 0x251c6e0] Input link in1:v0 parameters (size 256x256,
 SAR 1:1) do not match the corresponding output link in0:v0 parameters
 (256x256, SAR 0:1)
 [Parsed_concat_0 @ 0x251c6e0] Failed to configure output pad on
 Parsed_concat_0
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2456#comment:7>
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