[FFmpeg-trac] #5354(undetermined:new): Concat filter breaks alpha overlay

FFmpeg trac at avcodec.org
Mon Mar 21 16:42:47 CET 2016


#5354: Concat filter breaks alpha overlay
-------------------------------------+-------------------------------------
             Reporter:  d-fens_      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by d-fens_):

 Hi,

 git of three days ago, hope thats recent enough:

 {{{


 ffmpeg version N-79075-ga7b8a6e Copyright (c) 2000-2016 the FFmpeg
 developers
 built with gcc 5.3.0 (GCC)
 configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avis
 ynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enable
 -iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
 libcaca --en
 able-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-lib
 ilbc --enable-libmodplug --enable-libmfx --enable-libmp3lame --enable-
 libopencor
 e-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
 --enabl
 e-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr
 --enable-
 libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
 --enable-lib
 vo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack
 --enable-libw
 ebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
 --enable
 -libzimg --enable-lzma --enable-decklink --enable-zlib
 libavutil      55. 19.100 / 55. 19.100
 libavcodec     57. 28.103 / 57. 28.103
 libavformat    57. 28.102 / 57. 28.102
 libavdevice    57.  0.101 / 57.  0.101
 libavfilter     6. 39.102 /  6. 39.102
 libswscale      4.  0.100 /  4.  0.100
 libswresample   2.  0.101 /  2.  0.101
 libpostproc    54.  0.100 / 54.  0.100

 For help run: ffmpeg -h
 For formats run: ffmpeg -formats | more
 For codecs run: ffmpeg -codecs | more

 Current directory is now: "C:\Users\dummy\Downloads\ffmpeg-20160318-git-
 a7b8a6e-
 win64-static\ffmpeg-20160318-git-a7b8a6e-win64-static\bin"
 The bin directory has been added to PATH

 C:\Users\dummy\Downloads\ffmpeg-20160318-git-a7b8a6e-
 win64-static\ffmpeg-2016031
 8-git-a7b8a6e-win64-static\bin
 >ffmpeg  -i "overlay.png" -i "in.mp4" -filter_complex " [1:v]
 setsar=sar=1/1 [sa
 red];  [sared][0:v] overlay [overlay];[1:v][overlay] concat=n=2" -y
 out.mp4
 ffmpeg version N-79075-ga7b8a6e Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
 libcaca --
 enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-l
 ibilbc --enable-libmodplug --enable-libmfx --enable-libmp3lame --enable-
 libopenc
 ore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
 --ena
 ble-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr
 --enabl
 e-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
 --enable-l
 ibvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack
 --enable-li
 bwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
 --enab
 le-libzimg --enable-lzma --enable-decklink --enable-zlib
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 28.103 / 57. 28.103
   libavformat    57. 28.102 / 57. 28.102
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 39.102 /  6. 39.102
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, png_pipe, from 'overlay.png':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: png, rgba(pc), 1920x1080 [SAR 7087:7087 DAR 16:9],
 25 tb
 r, 25 tbn, 25 tbc
 Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf57.25.100
   Duration: 00:00:01.02, start: 0.021333, bitrate: 2236 kb/s
     Stream #1:0(eng): Video: h264 (High) (avc1 / 0x31637661),
 yuvj420p(pc), 1920
 x1080, 2138 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
     Metadata:
       handler_name    : VideoHandler
     Stream #1:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
 stereo, flt
 p, 127 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
 [swscaler @ 0000000002820020] deprecated pixel format used, make sure you
 did se
 t range correctly
 [swscaler @ 0000000002670fe0] deprecated pixel format used, make sure you
 did se
 t range correctly
 No pixel format specified, yuvj420p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 000000000052e4c0] using SAR=1/1
 [libx264 @ 000000000052e4c0] using cpu capabilities: MMX2 SSE2Fast SSSE3
 SSE4.2
 AVX
 [libx264 @ 000000000052e4c0] profile High, level 4.0
 [libx264 @ 000000000052e4c0] 264 - core 148 r2665 a01e339 - H.264/MPEG-4
 AVC cod
 ec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options:
 cabac=1 r
 ef=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_pski
 p=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0
 nr=0 deci
 mate=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=2
 5 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
 qcomp=0.6
 0 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 Output #0, mp4, to 'out.mp4':
   Metadata:
     encoder         : Lavf57.28.102
     Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021),
 yuvj420p(pc), 1
 920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 12800 tbn, 25 tbc (default)
     Metadata:
       encoder         : Lavc57.28.103 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
     Stream #0:1(eng): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz,
 stereo
 , fltp, 128 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
       encoder         : Lavc57.28.103 aac
 Stream mapping:
   Stream #0:0 (png) -> overlay:overlay (graph 0)
   Stream #1:0 (h264) -> setsar (graph 0)
   Stream #1:0 (h264) -> concat:in0:v0 (graph 0)
   concat (graph 0) -> Stream #0:0 (libx264)
   Stream #1:1 -> #0:1 (aac (native) -> aac (native))
 Press [q] to stop, [?] for help
 frame=   30 fps=0.0 q=0.0 size=       0kB time=00:00:00.98 bitrate=
 0.4kbits/s
 frame=   42 fps= 41 q=0.0 size=       0kB time=00:00:00.98 bitrate=
 0.4kbits/s
 frame=   50 fps= 32 q=0.0 size=       0kB time=00:00:00.98 bitrate=
 0.4kbits/s
 frame=   51 fps= 13 q=-1.0 Lsize=     498kB time=00:00:01.96
 bitrate=2081.0kbits
 /s dup=1 drop=0 speed=0.517x
 video:479kB audio:16kB subtitle:0kB other streams:0kB global headers:0kB
 muxing
 overhead: 0.483463%
 [libx264 @ 000000000052e4c0] frame I:2     Avg QP:14.00  size: 88182
 [libx264 @ 000000000052e4c0] frame P:19    Avg QP:18.72  size: 12399
 [libx264 @ 000000000052e4c0] frame B:30    Avg QP:19.72  size:  2609
 [libx264 @ 000000000052e4c0] consecutive B-frames: 13.7% 19.6% 11.8% 54.9%
 [libx264 @ 000000000052e4c0] mb I  I16..4: 22.3% 72.0%  5.7%
 [libx264 @ 000000000052e4c0] mb P  I16..4:  2.3% 12.9%  0.2%  P16..4:
 15.5%  3.8
 %  1.8%  0.0%  0.0%    skip:63.4%
 [libx264 @ 000000000052e4c0] mb B  I16..4:  0.3%  1.0%  0.0%  B16..8:
 10.2%  0.6
 %  0.0%  direct: 3.0%  skip:84.8%  L0:55.8% L1:42.3% BI: 1.8%
 [libx264 @ 000000000052e4c0] 8x8 transform intra:78.7% inter:87.3%
 [libx264 @ 000000000052e4c0] coded y,uvDC,uvAC intra: 21.0% 31.3% 10.2%
 inter: 3
 .1% 6.6% 0.1%
 [libx264 @ 000000000052e4c0] i16 v,h,dc,p: 61% 19% 10%  9%
 [libx264 @ 000000000052e4c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 12% 47%
 1%  2%
  2%  2%  2%  1%
 [libx264 @ 000000000052e4c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 12% 11%
 5%  9%
 11%  6%  6%  3%
 [libx264 @ 000000000052e4c0] i8c dc,h,v,p: 73% 11% 13%  3%
 [libx264 @ 000000000052e4c0] Weighted P-Frames: Y:5.3% UV:5.3%
 [libx264 @ 000000000052e4c0] ref P L0: 69.3% 12.9% 11.6%  5.8%  0.3%
 [libx264 @ 000000000052e4c0] ref B L0: 84.2% 14.2%  1.6%
 [libx264 @ 000000000052e4c0] ref B L1: 94.7%  5.3%
 [libx264 @ 000000000052e4c0] kb/s:1922.36
 [aac @ 000000000052f720] Qavg: 16731.248

 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5354#comment:2>
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