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 <pipern...@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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