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• ffmpeg with Quick Sync Video (qsv) gets stuck

  28 avril 2023, par Juliano B. Nequirito

  I've compiled ffmpeg in an Arch Linux distribution with support to Intel Quick Sync Video. But ffmpeg gets stuck when I try to run it :

  


  $ ffmpeg -debug -hwaccel qsv -qsv_device /dev/dri/renderD128 -c:v h264_qsv -i test_video.mp4 -c:v hevc_qsv output.mp4

ffmpeg version N-109562-g0431f9805e Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (GCC)
  configuration: --prefix=/usr --extra-cflags=-I/opt/cuda/include --extra-ldflags=-L/opt/cuda/lib64 --enable-lto --disable-rpath --enable-gpl --enable-version3 --enable-nonfree --enable-shared --disable-static --disable-stripping --enable-gray --enable-alsa --enable-avisynth --enable-bzlib --enable-chromaprint --enable-frei0r --enable-gcrypt --enable-gmp --enable-gnutls --enable-iconv --enable-ladspa --enable-lcms2 --enable-libaom --enable-libaribb24 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcelt --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libdavs2 --enable-libdc1394 --enable-libfdk-aac --enable-libflite --enable-fontconfig --enable-libfreetype --enable-libfribidi --enable-libglslang --enable-libgme --enable-libgsm --enable-libiec61883 --enable-libilbc --enable-libjack --enable-libjxl --enable-libklvanc --enable-libkvazaar --enable-liblensfun --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-libopencv --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --disable-libopenvino --enable-libopus --enable-libplacebo --enable-libpulse --enable-librabbitmq --enable-librav1e --enable-librist --enable-librsvg --enable-librubberband --enable-librtmp --enable-libshine --enable-libsmbclient --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libsvthevc --enable-libsvtvp9 --disable-libtensorflow --enable-libtesseract --enable-libtheora --disable-libtls --enable-libtwolame --enable-libuavs3d --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxavs2 --enable-libxcb --enable-libxcb-shm --enable-libxcb-xfixes --enable-libxcb-shape --enable-libxvid --enable-libxml2 --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-lzma --enable-decklink --disable-mbedtls --enable-libmysofa --enable-openal --enable-opencl --enable-opengl --disable-openssl --enable-pocketsphinx --enable-sndio --enable-sdl2 --enable-vapoursynth --enable-vulkan --enable-xlib --enable-zlib --enable-amf --enable-cuda-nvcc --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-libdrm --enable-libvpl --enable-libnpp --enable-nvdec --enable-nvenc --enable-omx --enable-rkmpp --enable-v4l2-m2m --enable-vaapi --enable-vdpau
  libavutil      57. 43.100 / 57. 43.100
  libavcodec     59. 56.100 / 59. 56.100
  libavformat    59. 34.102 / 59. 34.102
  libavdevice    59.  8.101 / 59.  8.101
  libavfilter     8. 53.100 /  8. 53.100
  libswscale      6.  8.112 /  6.  8.112
  libswresample   4.  9.100 /  4.  9.100
  libpostproc    56.  7.100 / 56.  7.100
 matched as AVOption 'debug' with argument '-hwaccel'.
Reading option 'qsv' ... matched as output url.
Reading option '-qsv_device' ... matched as option 'qsv_device' (set QSV hardware device (DirectX adapter index, DRM path or X11 display name)) with argument '/dev/dri/renderD128'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'h264_qsv'.
Reading option '-i' ... matched as input url with argument 'test_video.mp4'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'hevc_qsv'.
Reading option 'output.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option qsv_device (set QSV hardware device (DirectX adapter index, DRM path or X11 display name)) with argument /dev/dri/renderD128.
[AVHWDeviceContext @ 0x5590d517ee40] libva: VA-API version 1.17.0
[AVHWDeviceContext @ 0x5590d517ee40] libva: User requested driver 'iHD'
[AVHWDeviceContext @ 0x5590d517ee40] libva: Trying to open /usr/lib/dri/iHD_drv_video.so
[AVHWDeviceContext @ 0x5590d517ee40] libva: Found init function __vaDriverInit_1_16
[AVHWDeviceContext @ 0x5590d517ee40] libva: va_openDriver() returns 0
[AVHWDeviceContext @ 0x5590d517ee40] Initialised VAAPI connection: version 1.17
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x41524742 -> bgra.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x42475241 -> argb.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x41424752 -> rgba.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x52474241 -> abgr.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x58524742 -> bgr0.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x42475258 -> 0rgb.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x58424752 -> rgb0.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x52474258 -> 0bgr.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30335241 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30334241 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30335258 -> x2rgb10le.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30334258 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x36314752 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x50424752 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x50524742 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x56555941 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30303859 -> gray.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x3231564e -> nv12.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x3132564e -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x32595559 -> yuyv422.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x59565955 -> uyvy422.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x32315659 -> yuv420p.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30323449 -> yuv420p.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x50313134 -> yuv411p.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x48323234 -> yuv422p.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x56323234 -> yuv440p.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x50343434 -> yuv444p.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x33434d49 -> unknown.
[AVHWDeviceContext @ 0x5590d517ee40] Format 0x30313050 -> p010le.
[AVHWDeviceContext @ 0x5590d517ee40] VAAPI driver: Intel iHD driver for Intel(R) Gen Graphics - 22.6.4 ().
[AVHWDeviceContext @ 0x5590d517ee40] Driver not found in known nonstandard list, using standard behaviour.
[AVHWDeviceContext @ 0x5590d517e940] Use Intel(R) oneVPL to create MFX session, API version is 2.6, the required implementation version is 1.3


  


  CPU starts being used intensively and then nothing happens.
Does anybody have any clue on it ?

  


  I have an Intel i7-8550U (8th gen Kaby Lake) processor with 4 cores (8 threads).

  


  I have also used these options to ffmpeg, getting the same results :

  


  ffmpeg -loglevel debug -init_hw_device qsv=hw -filter_hw_device hw -hwaccel qsv -hwaccel_output_format qsv -i test_video.mp4 -vf 'format=qsv,hwupload=extra_hw_frames=64' -c:v hevc_qsv -f mp4 output.mp4


  


  With VAAPI, transcoding runs flowlessly :

  


  ffmpeg -init_hw_device vaapi=intel:/dev/dri/renderD128 -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_device intel -filter_hw_device intel -i test_video.mp4 -c:v hevc_vaapi -f mp4 output.mp4


  


• Compiling ffmpeg for Android using Linux

  1er juillet 2015, par VEP10

  I’d like to test the ijkplayer for android project according to this :
  https://github.com/bbcallen/ijkplayer/blob/master/README.md
  When I am compiling the ffmpeg (./compile-ffmpeg.sh) at the "configurate ffmpeg" phase I get the following message : arm-linux-androideabi-gcc is unable to create an executable file. C compiler test failed.
  This part of the compile-ffmpeg.sh file :

  echo "\n--------------------"
  
  echo "[*] configurate ffmpeg"
  
  echo "--------------------"
  
  cd $FF_SOURCE
  
  if [ -f "./config.h" ]; then
  
      echo 'reuse configure'
  
  else
  
      ./configure $FF_CFG_FLAGS \
  
          --extra-cflags="$FF_CFLAGS $FF_EXTRA_CFLAGS" \
  
          --extra-ldflags="$FF_DEP_LIBS $FF_EXTRA_LDFLAGS"
  
      make clean
  
  fi 

  At the end of the config.log file I found the problem :

  zoompan_filter_deps='swscale'
  
  WARNING: arm-linux-androideabi-pkg-config not found, library detection may fail.
  
  mktemp -u XXXXXX
  
  tHt73A
  
  check_ld cc
  
  check_cc
  
  BEGIN /tmp/ffconf.mvjZdW0f.c
  
      1   int main(void){ return 0; }
  
  END /tmp/ffconf.mvjZdW0f.c
  
  arm-linux-androideabi-gcc -O3 -Wall -pipe -std=c99 -ffast-math -fstrict aliasing -Werror=strict-aliasing -Wno-psabi -Wa,--noexecstack -DANDROID -DNDEBUG -march=armv7-a -mcpu=cortex-a8 -mfpu=vfpv3-d16 -mfloat-abi=softfp -mthumb -mcpu=cortex-a8 -c -o /tmp/ffconf.ZKAEl7Bh.o /tmp/ffconf.mvjZdW0f.c
  
  as: unrecognized option '-mcpu=cortex-a8'
  
  C compiler test failed.

  I am sure that the assembler knows the cortex-a8 cpu option. The problem is anywhere else.

  Environment :

  Ubuntu 14.04

  NDK : r10e

  arm-linux-androideabi-4.8

  gcc-4.6

  Please help !

• FFMPEG Without Headers is Causing Video To Be Height 0X0

  21 novembre 2022, par Devin Dixon

  I am grabbing a stream from X11 and streaming it to other sources like Node Media Server and Twitch. Except, I get audio only with no video and the resolution size says 0X0.

  


  My ffmpeg is command is this :

  


   /usr/bin/ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -vaapi_device /dev/dri/renderD128 -video_size 1920x1080 -y -v info -f x11grab -draw_mouse 0 -r 60 -s 1920x1080 -thread_queue_size 14000 -i :0.0+0,0 -f alsa -thread_queue_size 14000 -i plug:bsnoop -acodec aac -strict -2 -ar 44100 -b:a 128k -af aresample=async=1 -c:v h264_vaapi -vf format=nv12,hwupload,scale_vaapi=w=1920:h=1080 -attempt_recovery 1 -max_recovery_attempts 2 -drop_pkts_on_overflow 1 -video_size 1920x1080 -crf 19 -preset medium -maxrate 14000k -bufsize 14000k -r 60 -crf 25 -g 120 -tune zerolatency -f flv rtmp://[some_other_source]


  


  The ffmpeg output is as follows :

  


  2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption crf (Select the quality for constant quality mode) specified for output file #0 (rtmp://[some_other_sorce]) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption tune (The metric that the encoder tunes for. Automatically chosen by the encoder by default) specified for output file #0 (rtmp://[some_other_source]) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption preset (Encoding preset) specified for output file #0 (rtmp://relay.bingewave.com/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption preset (Encoding preset) specified for output file #1 (rtmp://127.0.0.1:1935/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.527 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption tune (The metric that the encoder tunes for. Automatically chosen by the encoder by default) specified for output file #1 (rtmp://127.0.0.1:1935/live/['for_reording']) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Codec AVOption crf (Select the quality for constant quality mode) specified for output file #1 (rtmp://127.0.0.1:1935/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Stream mapping:
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (h264_vaapi))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:0 -> #1:0 (rawvideo (native) -> h264 (h264_vaapi))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:0 -> #1:1 (pcm_s16le (native) -> mp3 (libmp3lame))
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Press [q] to stop, [?] for help
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] No quality level set; using default (20).
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] Buffering settings are ignored in CQP RC mode.
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] Driver does not support some wanted packed headers (wanted 0xd, found 0).
2022-11-21 13:42:45.550 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] Driver does not support packed sequence headers, but a global header is requested.
2022-11-21 13:42:45.583 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df06980] No global header will be written: this may result in a stream which is not usable for some purposes (e.g. not muxable to some containers).
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df0a700] Driver does not support some wanted packed headers (wanted 0xd, found 0).
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df0a700] Driver does not support packed sequence headers, but a global header is requested.
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [h264_vaapi @ 0x55a02df0a700] No global header will be written: this may result in a stream which is not usable for some purposes (e.g. not muxable to some containers).
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Output #0, flv, to 'rtmp://relay.bingewave.com/live/[some_other_source]':
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Metadata:
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     encoder         : Lavf59.27.100
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:0: Video: h264 (High) ([7][0][0][0] / 0x0007), vaapi(tv, progressive), 1920x1080, q=2-31, 60 fps, 1k tbn
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 h264_vaapi
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:45.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 aac
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: Output #1, flv, to 'rtmp://127.0.0.1:1935/live/e3057272-271d-40d5-90d1-f9065c5dfa37-broadcast?sign=1669642928-17aa73baeaedaad786140b5b2cca9d2b':
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Metadata:
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     encoder         : Lavf59.27.100
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:0: Video: h264 (High) ([7][0][0][0] / 0x0007), vaapi(tv, progressive), 1920x1080, q=2-31, 15000 kb/s, 60 fps, 1k tbn
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 h264_vaapi
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:   Stream #1:1: Audio: mp3 ([2][0][0][0] / 0x0002), 48000 Hz, stereo, s16p
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:     Metadata:
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42:       encoder         : Lavc59.37.100 libmp3lame
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=    1 fps=0.0 q=-0.0 q=-0.0 size=       7kB time=00:00:00.06 bitrate= 875.5kbits/s speed=1.31x    
2022-11-21 13:42:46.584 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=   31 fps=0.0 q=-0.0 q=-0.0 size=     281kB time=00:00:00.55 bitrate=4133.2kbits/s speed=1.01x    
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=   60 fps= 57 q=-0.0 q=-0.0 size=     546kB time=00:00:01.18 bitrate=3774.7kbits/s speed=1.12x    
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: frame=   91 fps= 58 q=-0.0 q=-0.0 size=     828kB time=00:00:01.69 bitrate=4003.3kbits/s speed=1.08x    
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df10e00] Failed to update header with correct duration.
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df10e00] Failed to update header with correct filesize.
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df15500] Failed to update header with correct duration.
2022-11-21 13:42:47.325 INFO: [658] LoggingUtils$Companion$OutputLogger$1.invoke$lambda-0#42: [flv @ 0x55a02df15500] Failed to update header with correct filesize.


  


  I've noticed there are several errors the headers going out. For VAAPI, how do I set resolution header ?