[FFmpeg-user] AMF hardware acceleration duplicating frames at60fps

[Felipe pi pe]

Full MKV output:
ffmpeg version N-93388-g6cfa173303 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8.2.1 (GCC) 20190212
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 47.103 / 58. 47.103
  libavformat    58. 26.101 / 58. 26.101
  libavdevice    58.  6.101 / 58.  6.101
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
  libpostproc    55.  4.100 / 55.  4.100
[gdigrab @ 000001f1df2393c0] Capturing whole desktop as 1366x768x32 at (0,0)
[gdigrab @ 000001f1df2393c0] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, gdigrab, from 'desktop':
  Duration: N/A, start: 1553389642.790523, bitrate: 2014274 kb/s
    Stream #0:0: Video: bmp, bgra, 1366x768, 2014274 kb/s, 60 fps, 1000k tbr, 1000k tbn, 1000k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (bmp (native) -> h264 (h264_amf))
Press [q] to stop, [?] for help
Output #0, matroska, to 'out.mkv':
  Metadata:
    encoder         : Lavf58.26.101
    Stream #0:0: Video: h264 (h264_amf) (H264 / 0x34363248), yuv420p, 1366x768, q=-1--1, 2000 kb/s, 60 fps, 1k tbn, 60 tbc
    Metadata:
      encoder         : Lavc58.47.103 h264_amf
frame=  273 fps= 30 q=-0.0 Lsize=    1950kB time=00:00:09.16 bitrate=1742.7kbits/s speed=0.999x
video:1948kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.138390%

De: Carl Eugen Hoyos
Enviado: domingo, 24 de marzo de 2019 2:18
Para: FFmpeg user questions
Asunto: Re: [FFmpeg-user] AMF hardware acceleration duplicating frames at60fps

2019-03-24 2:09 GMT+01:00, Felipe pi pe <pipernene at gmail.com>:
> I’ve just confirmed that using other formats (i.e. mkv)
> doesn’t replicate this issue

Please provide the complete, uncut console output for
mkv output. It will not duplicate frames as the mp4
muxer but does it really record with 60fps?

Please do not top-post here, Carl Eugen
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