[FFmpeg-trac] #2467(avfilter:open): -itsoffset with overlay filter buffer queue overflow

[FFmpeg]

#2467: -itsoffset with overlay filter buffer queue overflow
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             Reporter:  Timbot      |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  regression  |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:   => regression
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 Regression since b0012de
 {{{
 $ ffmpeg -f lavfi -i testsrc=s=vga:r=30 -itsoffset 1 -i fate-
 suite/svq3/Vertical400kbit.sorenson3.mov -filter_complex overlay -an -t 10
 -qscale 2 out.avi
 ffmpeg version N-52074-gf359be9 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 14 2013 12:55:21 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   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. 54.100 /  3. 54.100
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, lavfi, from 'testsrc=s=vga:r=30':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #0:0: Video: rawvideo (RGB[24] / 0x18424752), rgb24, 640x480
 [SAR 1:1 DAR 4:3], 30 tbr, 30 tbn, 30 tbc
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x2c0cfc0] max_analyze_duration 5000000 reached
 at 5000998 microseconds
 Guessed Channel Layout for  Input Stream #1.1 : mono
 Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'fate-
 suite/svq3/Vertical400kbit.sorenson3.mov':
   Metadata:
     creation_time   : 2001-03-20 16:17:18
     title           : Vertical Online SV3 Demo
     title-eng       : Vertical Online SV3 Demo
     artist          : Logan Kelsey
     artist-eng      : Logan Kelsey
     copyright       : © Vertical Online 2001
     copyright-eng   : © Vertical Online 2001
     encoder         : Sorenson Video 3
     encoder-eng     : Sorenson Video 3
   Duration: 00:00:43.58, start: 0.000000, bitrate: 580 kb/s
     Stream #1:0(eng): Video: svq3 (SVQ3 / 0x33515653), yuvj420p, 320x240,
 391 kb/s, 30.02 fps, 30 tbr, 600 tbn, 600 tbc
     Metadata:
       creation_time   : 2001-03-20 16:17:18
       handler_name    : Apple Alias Data Handler
     Stream #1:1(eng): Audio: adpcm_ima_qt (ima4 / 0x34616D69), 44100 Hz,
 mono, s16p, 176 kb/s
     Metadata:
       creation_time   : 2001-03-20 16:17:18
       handler_name    : Apple Alias Data Handler
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.2.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 640x480 [SAR
 1:1 DAR 4:3], q=2-31, 200 kb/s, 30 tbn, 30 tbc
 Stream mapping:
   Stream #0:0 (rawvideo) -> overlay:main
   Stream #1:0 (svq3) -> overlay:overlay
   overlay -> Stream #0:0 (mpeg4)
 Press [q] to stop, [?] for help
 [Parsed_overlay_0 @ 0x2c0b0a0] Buffer queue overflow, dropping.
     Last message repeated 65 times
 frame=  279 fps=0.0 q=2.0 Lsize=    1577kB time=00:00:10.00
 bitrate=1292.2kbits/s
 video:1565kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 0.816745%
 }}}

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2467#comment:2>
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