[FFmpeg-trac] #3079(avfilter:open): libavfilter sucks

[FFmpeg]

#3079: libavfilter sucks
------------------------------------+------------------------------------
             Reporter:  richardpl   |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  critical    |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  bounty      |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+------------------------------------

Comment (by richardpl):

 > ffmpeg -i matrixbench_mpeg2.mpg -f lavfi -i
 nullsrc,geq='r=128+50*sin(2*PI*X/800+T):g=128+50*sin(2*PI*X/800+T):b=128+50*sin(2*PI*X/800+T)'
 -lavfi overlay -y out.nut
 ffmpeg version N-57391-g4803ada Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Oct 24 2013 12:03:55 with FreeBSD clang version 3.3
 (tags/RELEASE_33/final 183502) 20130610
   configuration: --extra-cflags=-I/usr/local/include --extra-
 ldflags=-L/usr/local/lib --as=clang --cc=clang --disable-debug --disable-
 ffplay --disable-ffserver --disable-indevs --disable-outdevs --disable-
 postproc --disable-static --enable-gpl --enable-indev=lavfi --enable-
 indev=oss --enable-indev=x11grab --enable-nonfree --enable-openssl
 --enable-outdev=oss --enable-shared --enable-stripping --enable-x11grab
 --enable-libfreetype --enable-libx264 --enable-libxvid --enable-libmp3lame
 --enable-ladspa --mandir=/usr/local/man --samples=../fate-suite
   libavutil      52. 47.101 / 52. 47.101
   libavcodec     55. 38.101 / 55. 38.101
   libavformat    55. 19.104 / 55. 19.104
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 89.100 /  3. 89.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
 [NULL @ 0x2a063800] start time is not set in estimate_timings_from_pts
 Input #0, mpeg, from 'matrixbench_mpeg2.mpg':
   Duration: 00:01:01.20, start: 0.220000, bitrate: 5944 kb/s
     Stream #0:0[0x1bf]: Data: dvd_nav_packet
     Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg),
 720x576 [SAR 16:15 DAR 4:3], max. 11421 kb/s, 25 fps, 25 tbr, 90k tbn, 50
 tbc
     Stream #0:2[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16p, 384 kb/s
 Input #1, lavfi, from
 'nullsrc,geq=r=128+50*sin(2*PI*X/800+T):g=128+50*sin(2*PI*X/800+T):b=128+50*sin(2*PI*X/800+T)':
   Duration: N/A, start: 0.000000, bitrate: N/A
     Stream #1:0: Video: rawvideo (G3[0][8] / 0x8003347), gbrp, 320x240
 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
 Output #0, nut, to 'out.nut':
   Metadata:
     encoder         : Lavf55.19.104
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x576 [SAR
 16:15 DAR 4:3], q=2-31, 200 kb/s, 51200 tbn, 25 tbc
     Stream #0:1: Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 48000 Hz,
 stereo, s16p
 Stream mapping:
   Stream #0:1 (mpeg2video) -> overlay:main (graph 0)
   Stream #1:0 (rawvideo) -> overlay:overlay (graph 0)
   overlay (graph 0) -> Stream #0:0 (mpeg4)
   Stream #0:2 -> #0:1 (mp2 -> libmp3lame)
 Press [q] to stop, [?] for help
 [Parsed_overlay_0 @ 0x2a00d640] [framesync @ 0x2a003324] Buffer queue
 overflow, dropping.
     Last message repeated 18 times
 [Parsed_overlay_0 @ 0x2a00d640] [framesync @ 0x2a003324] Buffer queue
 overflow, dropping.
     Last message repeated 15 times
 [Parsed_overlay_0 @ 0x2a00d640] [framesync @ 0x2a003324] Buffer queue
 overflow, dropping.
     Last message repeated 16 times
 [Parsed_overlay_0 @ 0x2a00d640] [framesync @ 0x2a003324] Buffer queue
 overflow, dropping.
     Last message repeated 14 times
 frame=   20 fps=6.0 q=13.7 Lsize=     156kB time=00:00:04.60 bitrate=
 278.1kbits/s
 video:83kB audio:72kB subtitle:0 global headers:0kB muxing overhead
 0.730014%

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3079#comment:12>
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