[FFmpeg-trac] #4092(undetermined:new): Frame Drops and high cpu usage for Multibitrate Streaming

[FFmpeg]

#4092: Frame Drops and high cpu usage for Multibitrate Streaming
-------------------------------------+-------------------------------------
             Reporter:               |                     Type:  defect
  kcsdeveloper                       |                 Priority:  critical
               Status:  new          |                  Version:
            Component:               |  unspecified
  undetermined                       |               Blocked By:
             Keywords:  frame drop   |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  1            |
-------------------------------------+-------------------------------------
 Device : UB530

 How to reproduce:
 {{{
   -f dshow  -framerate 25   -rtbufsize 2000000000  -i   video="CY3014 USB,
 Analog 01 Capture":audio="CY3014 USB, Analog 01 WaveIn"  -movflags
 isml+frag_keyframe+faststart   -pix_fmt yuv420p  -f ismv   -c:v libx264
 -threads 0  -preset faster    -profile:v baseline    -map 0:v -b:v:0
 2413000 -s:v:0 960x720  -map 0:v -b:v:1 1298000 -s:v:1 704x528  -map 0:v
 -b:v:2 686000 -s:v:2 512x384  -map 0:v -b:v:3 378000 -s:v:3 380x284  -map
 0:v -b:v:4 199000 -s:v:4 276x208    -map 0:a -b:a:0 64000   -minrate
 2250000   -maxrate 2250000   -bufsize 1500000   -r 30
 http://localhost//2014110851152.isml/Streams(2014110851152) -s 64x36
 "C:\Program Files (x86)\Streamshed\JD470
 MediaencoderFFMPEG\temp\Img1%05d.png" -s 960x540
 "E:\Video\2014110851152.ismv"  -s 960x540 "E:\Video\2014110851152.mpg"
 ffmpeg version : N-61570-gaa86ccc
 built on Mar 17 2014 22:06:38 with gcc 4.8.2 <GCC>
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/4092>
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