ffmpeg -i "http://www.youtube.com/api/manifest/hls_playlist/id/Bht5_9sUg3k.1/itag/95/source/yt_live_broadcast/ratebypass/yes/live/1/cmbypass/yes/newshard/yes/hls_chunk_host/www.youtube.com/gir/yes/dg_shard/Bht5_9sUg3k.1_95/cp/U0hXRVNQT19NSkNON19LSlNEOk9MNkh6Z0xWUDZz/pmbypass/yes/playlist_type/DVR/maudio/1/upn/AtW_LbeiVCA/sver/3/fexp/926400,906946,932242,916807,916625,929305,924606,916914,929117,929121,929906,929907,929922,929923,929127,929129,929131,929930,936403,925724,925726,936310,925720,925722,925718,936401,925714,929917,929933,929935,929937,929939,939602,939604,937102,906842,913428,912715,919811,932309,913563,919373,930803,908536,908538,938701,931924,940501,936308,909549,900816,912711,934507,907231,936312,906001/cpn/RKjJU5hq-RpziBMV/ip/174.109.39.220/ipbits/8/expire/1380351380/sparams/ip,ipbits,expire,id,itag,source,ratebypass,live,cmbypass,newshard,hls_chunk_host,gir,dg_shard,cp,pmbypass,playlist_type,maudio/signature/18FFB16ACCD670DD64CC90D58AEFC0EB61CD5750.1E71A2A68A0EE0A09E64B21F2522D00860DCC20B/key/dg_yt0/file/index.m3u8?start_seq=967" -c copy stream3.ts
ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
  built on May 20 2013 05:39:32 with gcc 4.2.1 (GCC) (Apple Inc. build 5666) (dot 3)
  configuration: --prefix=/opt/local --enable-swscale --enable-avfilter --enable-libmp3lame --enable-libvorbis --enable-libopus --enable-libtheora --enable-libschroedinger --enable-libopenjpeg --enable-libmodplug --enable-libvpx --enable-libspeex --enable-libfreetype --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/gcc-4.2 --arch=x86_64 --enable-yasm --enable-gpl --enable-postproc --enable-libx264 --enable-libxvid
  libavutil      52. 18.100 / 52. 18.100
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.104 / 54. 63.104
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 42.103 /  3. 42.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[http @ 0x102013a00] HTTP error 403 Forbidden
[hls,applehttp @ 0x10202a000] Error when loading first segment 'http://www.youtube.com/videoplayback/id/Bht5_9sUg3k.1/itag/95/source/yt_live_broadcast/sq/967/file/seg.ts?ratebypass=yes&cmbypass=yes&newshard=yes&hls_chunk_host=www.youtube.com&gir=yes&dg_shard=Bht5_9sUg3k.1_95&cp=U0hXRVNQT19NSkNON19LSlNEOk9MNkh6Z0xWUDZz&pmbypass=yes&playlist_type=DVR&maudio=1&upn=AtW_LbeiVCA&sver=3&fexp=926400,906946,932242,916807,916625,929305,924606,916914,929117,929121,929906,929907,929922,929923,929127,929129,929131,929930,936403,925724,925726,936310,925720,925722,925718,936401,925714,929917,929933,929935,929937,929939,939602,939604,937102,906842,913428,912715,919811,932309,913563,919373,930803,908536,908538,938701,931924,940501,936308,909549,900816,912711,934507,907231,936312,906001&cpn=RKjJU5hq-RpziBMV&ip=174.109.39.220&ipbits=8&expire=1380351380&sparams=ip,ipbits,expire,id,itag,source,ratebypass,live,cmbypass,newshard,hls_chunk_host,gir,dg_shard,cp,pmbypass,playlist_type,maudio&signature=18FFB16ACCD670DD64CC90D58AEFC0EB61CD5750.1E71A2A68A0EE0A09E64Bhttp://www.youtube.com/api/manifest/hls_playlist/id/Bht5_9sUg3k.1/itag/95/source/yt_live_broadcast/ratebypass/yes/live/1/cmbypass/yes/newshard/yes/hls_chunk_host/www.youtube.com/gir/yes/dg_shard/Bht5_9sUg3k.1_95/cp/U0hXRVNQT19NSkNON19LSlNEOk9MNkh6Z0xWUDZz/pmbypass/yes/playlist_type/DVR/maudio/1/upn/AtW_LbeiVCA/sver/3/fexp/926400,906946,932242,916807,916625,929305,924606,916914,929117,929121,929906,929907,929922,929923,929127,929129,929131,929930,936403,925724,925726,936310,925720,925722,925718,936401,925714,929917,929933,929935,929937,929939,939602,939604,937102,906842,913428,912715,919811,932309,913563,919373,930803,908536,908538,938701,931924,940501,936308,909549,900816,912711,934507,907231,936312,906001/cpn/RKjJU5hq-RpziBMV/ip/174.109.39.220/ipbits/8/expire/1380351380/sparams/ip,ipbits,expire,id,itag,source,ratebypass,live,cmbypass,newshard,hls_chunk_host,gir,dg_shard,cp,pmbypass,playlist_type,maudio/signature/18FFB16ACCD670DD64CC90D58AEFC0EB61CD5750.1E71A2A68A0EE0A09E64B21F2522D00860DCC20B/key/dg_yt0/fil