[swscaler @ 026eb940] deprecated pixel format used, make sure you did set range correctly
[libvpx @ 02827dc0] v1.3.0
Output #0, webm, to 'D:\tempvideo.webm':
  Metadata:
    encoder         : Lavf55.36.101
    Stream #0:0: Video: vp8 (libvpx), yuv420p, 411x305 [SAR 1:1 DAR 411:305], q=-1--1, 6000 kb/s, 1k tbn, 30 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg -> libvpx)
Press [q] to stop, [?] for help
frame=  106 fps=0.0 q=0.0 Lsize=      35kB time=00:00:04.23 bitrate=  67.9kbits/s
video:34kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.257151%