avconv youtube

deathstar> avconv  -i "Intro to curves and vector functions-ruK0xBwUYdk.mp4" -i "Intro to curves and vector functions-ruK0xBwUYdk.m4a"  -c:v copy -c:a copy  "Intro to curves and vector functions.mp4"
avconv version 0.8.10-6:0.8.10-1, Copyright (c) 2000-2013 the Libav developers
  built on Feb  5 2014 03:52:19 with gcc 4.7.2
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Intro to curves and vector functions-ruK0xBwUYdk.mp4':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6avc1mp41
    creation_time   : 2014-02-14 09:29:51
  Duration: 01:38:12.48, start: 2946.241000, bitrate: 127 kb/s
    Stream #0.0(und): Video: h264 (Main), yuv420p, 640x360 [PAR 1:1 DAR 16:9], 25 tbr, 90k tbn, 50 tbc
    Metadata:
      creation_time   : 2014-02-14 09:29:51
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'Intro to curves and vector functions-ruK0xBwUYdk.m4a':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6mp41
    creation_time   : 2014-02-14 09:29:46
  Duration: 01:38:12.71, start: 2946.356825, bitrate: 63 kb/s
    Stream #1.0(und): Audio: aac, 44100 Hz, stereo, s16
    Metadata:
      creation_time   : 2014-02-14 09:29:46
File 'Intro to curves and vector functions.mp4' already exists. Overwrite ? [y/N] y
Output #0, mp4, to 'Intro to curves and vector functions.mp4':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6avc1mp41
    creation_time   : 2014-02-14 09:29:51
    encoder         : Lavf53.21.1
    Stream #0.0(und): Video: libx264, yuv420p, 640x360 [PAR 1:1 DAR 16:9], q=2-31, 90k tbn, 90k tbc
    Metadata:
      creation_time   : 2014-02-14 09:29:51
    Stream #0.1(und): Audio: aac, 44100 Hz, stereo
    Metadata:
      creation_time   : 2014-02-14 09:29:46
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #1:0 -> #0:1 (copy)
Press ctrl-c to stop encoding
frame=    0 fps=  0 q=-1.0 Lsize=   46161kB time=2946.36 bitrate= 128.3kbits/s
video:0kB audio:45169kB global headers:0kB muxing overhead 2.196245%