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• qsv : Update ffmpeg qsv_errors to recognize GPU hang and other statuses

  28 juillet 2022, par Dmitry Rogozhkin

  qsv : Update ffmpeg qsv_errors to recognize GPU hang and other statuses
  GPU hang is one of the most typical errors on Intel GPUs in
  
  case something goes wrong. It's important to recognize it
  
  explicitly for easier bugs triage. Also, this error code
  
  can be used to trigger GPU recovery path in self-written
  
  applications.
  There were 2 other statuses which MediaSDK can ppotentially return,
  
  MFX_ERR_NONE_PARTIAL_OUTPUT and MFX_ERR_REALLOC_SURFACE. Adding
  
  them as well.
  v2 : move MFX_ERR_NONE_PARTIAL_OUTPUT next to MFX_WRN_* (Haihao)
  Signed-off-by : Hon Wai Chow <hon.wai.chow@intel.com>
  
  Signed-off-by : Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
  
  Signed-off-by : Haihao Xiang <haihao.xiang@intel.com>
  

  • [DH] libavcodec/qsv.c
  • [DH] libavfilter/qsvvpp.c

• Crashing Adobe Premiere CC Pro when importing H264 MP4 file

  30 octobre 2017, par rpo

  I am screencasting with kazam in Ubuntu which is h264.

  To edit the video i tried to use vegas pro latest version. It only play the audio without any video.

  Then i tried to edit it with adobe premier 2017. Whenever i import the file(mp4) the premier pro just crash without any useful message.

  I installed quicktime for the codecs but no luck. I also converted the media with Format Factory(http://www.pcfreetime.com/) to MOV ... but premier just crash.

  How can i solve this ?

  here is the MediaInfo :

          General
  
      Complete name                            : C:\Users\user\Desktop\vdo.mp4
  
      Format                                   : MPEG-4
  
      Format profile                           : Base Media / Version 2
  
      Codec ID                                 : mp42 (mp42/mp41/isom/iso2)
  
      File size                                : 23.0 MiB
  
      Duration                                 : 9 min 20 s
  
      Overall bit rate                         : 344 kb/s
  
      Encoded date                             : UTC 2017-02-11 06:43:57
  
      Tagged date                              : UTC 2017-02-11 06:43:57
  
  
  
      Video
  
      ID                                       : 1
  
      Format                                   : AVC
  
      Format/Info                              : Advanced Video Codec
  
      Format profile                           : High 4:4:4 Predictive@L4
  
      Format settings, CABAC                   : No
  
      Format settings, ReFrames                : 1 frame
  
      Codec ID                                 : avc1
  
      Codec ID/Info                            : Advanced Video Coding
  
      Duration                                 : 9 min 20 s
  
      Bit rate                                 : 343 kb/s
  
      Maximum bit rate                         : 2 097 kb/s
  
      Width                                    : 1 674 pixels
  
      Height                                   : 858 pixels
  
      Display aspect ratio                     : 1.951
  
      Frame rate mode                          : Constant
  
      Frame rate                               : 15.000 FPS
  
      Color space                              : YUV
  
      Chroma subsampling                       : 4:4:4
  
      Bit depth                                : 8 bits
  
      Scan type                                : Progressive
  
      Bits/(Pixel*Frame)                       : 0.016
  
      Stream size                              : 22.9 MiB (100%)
  
      Writing library                          : x264 core 148 r2643 5c65704
  
      Encoding settings                        : cabac=0 / ref=1 / deblock=0:0:0 / analyse=0:0 / me=dia / subme=0 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=6 / threads=4 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=0 / weightp=0 / keyint=150 / keyint_min=15 / scenecut=0 / intra_refresh=0 / rc=cqp / mbtree=0 / qp=15 / ip_ratio=1.40 / aq=0
  
      Language                                 : English
  
      Encoded date                             : UTC 2017-02-11 06:43:57
  
      Tagged date                              : UTC 2017-02-11 06:43:57

  Here is the screencast preference :
  

• ffmpeg - Buffer the whole output file before writing to OutputStream

  21 mai 2020, par daldoy

  I'm building a transcoder on AWS Lambda. It reads a video file (of any format) from S3 and it outputs an mp4 file to S3.

  



  When using ffmpeg to stream the output file to S3, it is required to use "-movflags frag_keyframe", and the generated file will be a fragmented mp4.

  



  Is there any way I can write to an OutputStream and get a non-fragmented mp4 ? Something like buffering the whole output file before writing it to the OutputStream ?

  



  Discarded solutions :

  



  


  • Write the output file on the /tmp storage of the Lambda function and then copy the non-fragmented mp4 to S3. Problem : it has a limited size of 512 MB.

  


  • Create a RAM Disk (3008 MB) on AWS Lambda and write the output file there before copying to S3. Problem : it's not possible to create a RAM Disk on AWS Lambda.