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

FFmpeg trac at avcodec.org
Thu Apr 11 11:05:34 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           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:   => aspect
 * status:  new => open
 * version:  unspecified => git-master
 * component:  undetermined => avfilter
 * reproduced:  0 => 1


Comment:

 {{{
 $ ffmpeg -i test-264-240.mov -qscale 2 out.avi
 ...
 $ ffmpeg -i test-264-240.mov -i out.avi -filter_complex concat -qscale 2
 concat.avi
 ffmpeg version N-51698-g62a1181 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 10 2013 01:32:09 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 25.100 / 52. 25.100
   libavcodec     55.  2.100 / 55.  2.100
   libavformat    55.  1.100 / 55.  1.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 49.101 /  3. 49.101
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test-264-240.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     encoder         : Lavf54.61.104
   Duration: 00:00:12.09, start: 0.000000, bitrate: 366 kb/s
     Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p,
 1280x720, 48 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc
     Metadata:
       handler_name    : DataHandler
     Stream #0:1(eng): Audio: mp3 (.mp3 / 0x33706D2E), 44100 Hz, stereo,
 s16p, 320 kb/s
     Metadata:
       handler_name    : DataHandler
 Input #1, avi, from 'out.avi':
   Metadata:
     encoder         : Lavf55.1.100
   Duration: 00:00:12.12, start: 0.000000, bitrate: 937 kb/s
     Stream #1:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46),
 yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
     Stream #1:1: Audio: ac3 ([0] [0][0] / 0x2000), 44100 Hz, stereo, fltp,
 192 kb/s
 Please use -q:a or -q:v, -qscale is ambiguous
 [Parsed_concat_0 @ 0x1713460] Input link in1:v0 parameters (size 1280x720,
 SAR 1:1) do not match the corresponding output link in0:v0 parameters
 (1280x720, SAR 0:1)
 [Parsed_concat_0 @ 0x1713460] Failed to configure output pad on
 Parsed_concat_0
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2456#comment:5>
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