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• avformat/utils : limit probe score in the id3 case only if there is a chance that...

  12 mai 2014, par Michael Niedermayer

  avformat/utils : limit probe score in the id3 case only if there is a chance that data after the id3 tag will become available
  Fixes ticket3327 (sample.mp3)
  Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] libavformat/utils.c

• Revision e68c8dcfd2 : Substantial restructuring of AQ mode 2. The restructure moves the decision into

  27 novembre 2014, par Paul Wilkins

  Changed Paths :
   Modify /vp9/encoder/vp9_aq_complexity.c

  
   Modify /vp9/encoder/vp9_aq_complexity.h

  
   Modify /vp9/encoder/vp9_encodeframe.c

  
   Modify /vp9/encoder/vp9_encoder.c

  
   Modify /vp9/encoder/vp9_encoder.h

  
  
  Substantial restructuring of AQ mode 2.

  The restructure moves the decision into the rd pick
  modes loop and makes a decision based at the 16x16
  block level instead of only the 64x64 level.

  This gives finer granularity and better visual results
  on the clips I have tested. Metrics results are worse
  than the old AQ2 especially for PSNR and this mode
  now falls between AQ0 and AQ1 in terms of visual
  impact and metrics results.

  Further tuning of this to follow.

  It should be noted that if there are multiple iterations
  of the recode loop the segment for a MB could change
  in each loop if the previous loop causes a change in the
  complexity / variance bin of the block. Also where a block
  gets a delta Q this will alter the rd multiplier for this block
  in subsequent recode iterations and frames where the
  segmentation is applied.

  Change-Id : I20256c125daa14734c16f7cc9aefab656ab808f7

• mouse cursor strange within office 2010 ppt presentation video

  5 décembre 2015, par Wesley

  I hit a problem that record office 2010 ppt presentation.

  I wanna record ppt presentation process,so, here is my steps :
  1. open and ppt file
  2. press F5 to start the presentation
  3. use third party tool to record the screen
  4. during presentation, press CTRL+P to open the mark pen(on screen, it’s laser point)

  So, here comes the problem :
  After I finished the video record, when I play the vedio, the cursor is very strange to be an bold red plus, like below :
  

  It’s really ugly..
  Actually I want it to be a icon like a pen, or at least to be a laser point as default.
  Firstly I thought it to be problem with my screen recording tool, so I write a script with python to record presentation screen using ffmpeg, but, with the same result..

  So, anyone hit this before ?
  How to fix this ?

  Thanks.
  Wesley