[FFmpeg-trac] #5654(avdevice:reopened): avfoundation screen capture produces misaligned picture at 1366x768 resolution

FFmpeg trac at avcodec.org
Mon Jun 20 23:16:01 CEST 2016


#5654: avfoundation screen capture produces misaligned picture at 1366x768
resolution
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  evanrinehart                       |                   Status:  reopened
                 Type:  defect       |                Component:  avdevice
             Priority:  normal       |               Resolution:
              Version:  unspecified  |               Blocked By:
             Keywords:  capture      |  Reproduced by developer:  0
  avfoundation skew alignment        |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by evanrinehart):

 {{{
 > ffmpeg -f avfoundation -i "1:none" out.mov
 ffmpeg version N-80421-g0ea5805 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with Apple LLVM version 7.0.2 (clang-700.1.81)
   configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-
 shared --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-
 libtheora --enable-libvorbis --enable-libx264 --enable-opengl
   libavutil      55. 24.100 / 55. 24.100
   libavcodec     57. 46.100 / 57. 46.100
   libavformat    57. 38.102 / 57. 38.102
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 46.102 /  6. 46.102
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  1.100 /  2.  1.100
   libpostproc    54.  0.100 / 54.  0.100
 [avfoundation @ 0x7fd0eb800000] Selected pixel format (yuv420p) is not
 supported by the input device.
 [avfoundation @ 0x7fd0eb800000] Supported pixel formats:
 [avfoundation @ 0x7fd0eb800000]   uyvy422
 [avfoundation @ 0x7fd0eb800000]   yuyv422
 [avfoundation @ 0x7fd0eb800000]   nv12
 [avfoundation @ 0x7fd0eb800000]   0rgb
 [avfoundation @ 0x7fd0eb800000]   bgr0
 [avfoundation @ 0x7fd0eb800000] Overriding selected pixel format to use
 uyvy422 instead.
 Input #0, avfoundation, from '1:none':
   Duration: N/A, start: 18501.637500, bitrate: N/A
     Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422, 1366x768,
 30 tbr, 1000k tbn, 1000k tbc
 File 'out.mov' already exists. Overwrite ? [y/N] y
 No pixel format specified, yuv422p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x7fd0eb866a00] using cpu capabilities: MMX2 SSE2Fast SSSE3
 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
 [libx264 @ 0x7fd0eb866a00] profile High 4:2:2, level 3.2, 4:2:2 8-bit
 [libx264 @ 0x7fd0eb866a00] 264 - core 148 r2668 fd2c324 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2016 - 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=-2 threads=6
 lookahead_threads=1 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
 [mov @ 0x7fd0eb024a00] Using AVStream.codec to pass codec parameters to
 muxers is deprecated, use AVStream.codecpar instead.
 Output #0, mov, to 'out.mov':
   Metadata:
     encoder         : Lavf57.38.102
     Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p,
 1366x768, q=-1--1, 30 fps, 15360 tbn, 30 tbc
     Metadata:
       encoder         : Lavc57.46.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 frame=  734 fps= 48 q=-1.0 Lsize=    2849kB time=00:00:24.36 bitrate=
 957.9kbits/s dup=412 drop=0 speed= 1.6x
 video:2840kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.328457%
 [libx264 @ 0x7fd0eb866a00] frame I:4     Avg QP:16.87  size:278497
 [libx264 @ 0x7fd0eb866a00] frame P:209   Avg QP:23.56  size:  7342
 [libx264 @ 0x7fd0eb866a00] frame B:521   Avg QP:32.17  size:   497
 [libx264 @ 0x7fd0eb866a00] consecutive B-frames:  3.8%  4.4%  0.8% 91.0%
 [libx264 @ 0x7fd0eb866a00] mb I  I16..4: 38.2% 11.2% 50.6%
 [libx264 @ 0x7fd0eb866a00] mb P  I16..4:  0.7%  1.0%  1.8%  P16..4:  2.7%
 1.1%  0.4%  0.0%  0.0%    skip:92.3%
 [libx264 @ 0x7fd0eb866a00] mb B  I16..4:  0.1%  0.5%  0.0%  B16..8:  1.8%
 0.2%  0.0%  direct: 0.1%  skip:97.3%  L0:51.5% L1:46.9% BI: 1.7%
 [libx264 @ 0x7fd0eb866a00] 8x8 transform intra:35.5% inter:20.6%
 [libx264 @ 0x7fd0eb866a00] coded y,uvDC,uvAC intra: 33.5% 27.7% 25.7%
 inter: 0.5% 0.4% 0.3%
 [libx264 @ 0x7fd0eb866a00] i16 v,h,dc,p: 45% 50%  4%  1%
 [libx264 @ 0x7fd0eb866a00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 12% 71%  0%
 0%  0%  0%  0%  0%
 [libx264 @ 0x7fd0eb866a00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 49% 16%  1%
 2%  1%  9%  1%  6%
 [libx264 @ 0x7fd0eb866a00] i8c dc,h,v,p: 79% 11%  9%  1%
 [libx264 @ 0x7fd0eb866a00] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0x7fd0eb866a00] ref P L0: 53.3% 10.0% 24.0% 12.7%
 [libx264 @ 0x7fd0eb866a00] ref B L0: 70.6% 28.1%  1.3%
 [libx264 @ 0x7fd0eb866a00] ref B L1: 97.6%  2.4%
 [libx264 @ 0x7fd0eb866a00] kb/s:950.66
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5654#comment:7>
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