# /usr/local/bin/ffmpeg -loglevel trace -threads 2 -s 720x480 -f v4l2 -standard ntsc -i /dev/video0 -f alsa -i hw:1,0 -map 0:v -map 1:a -acodec vorbis -strict -2 -ac 2 -vcodec libvpx -quality realtime -cpu-used 0 -b:v 600k -vf yadif=1:0,crop=696:456:12:12 -flags +global_header -f tee [f=segment:segment_time=900:segment_time_delta=1:reset_timestamps=1]/var/lib/videoclipping/gravando//1130+900+%09d+sbt+video3_df+video0.webm
ffmpeg version N-47426-g5b0f55a-   http://johnvansickle.com/ffmpeg/    Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.9.2 (Debian 4.9.2-20)
  configuration: --enable-gpl --enable-version3 --disable-shared --disable-debug --enable-runtime-cpudetect --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libwebp --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-fontconfig --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --enable-libopus --enable-libass --enable-gnutls --enable-libvidstab --enable-libsoxr --cc=gcc-4.9
  libavutil      54. 27.100 / 54. 27.100
  libavcodec     56. 41.100 / 56. 41.100
  libavformat    56. 36.100 / 56. 36.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 17.100 /  5. 17.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
  libpostproc    53.  3.100 / 53.  3.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'trace'.
Reading option '-threads' ... matched as AVOption 'threads' with argument '2'.
Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument '720x480'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'v4l2'.
Reading option '-standard' ... matched as AVOption 'standard' with argument 'ntsc'.
Reading option '-i' ... matched as input file with argument '/dev/video0'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'alsa'.
Reading option '-i' ... matched as input file with argument 'hw:1,0'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:v'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '1:a'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'vorbis'.
Reading option '-strict' ...Routing option strict to both codec and muxer layer
 matched as AVOption 'strict' with argument '-2'.
Reading option '-ac' ... matched as option 'ac' (set number of audio channels) with argument '2'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'libvpx'.
Reading option '-quality' ... matched as AVOption 'quality' with argument 'realtime'.
Reading option '-cpu-used' ... matched as AVOption 'cpu-used' with argument '0'.
Reading option '-b:v' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '600k'.
Reading option '-vf' ... matched as option 'vf' (set video filters) with argument 'yadif=1:0,crop=696:456:12:12'.
Reading option '-flags' ... matched as AVOption 'flags' with argument '+global_header'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'tee'.
Reading option '[f=segment:segment_time=900:segment_time_delta=1:reset_timestamps=1]/var/lib/videoclipping/gravando//1130+900+%09d+sbt+video3_df+video0.webm' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument trace.
Successfully parsed a group of options.
Parsing a group of options: input file /dev/video0.
Applying option s (set frame size (WxH or abbreviation)) with argument 720x480.
Applying option f (force format) with argument v4l2.
Successfully parsed a group of options.
Opening an input file: /dev/video0.
[video4linux2,v4l2 @ 0x4092320] fd:4 capabilities:85200011
[video4linux2,v4l2 @ 0x4092320] Current input_channel: 0, input_name: Composite1, input_std: ffffff
[video4linux2,v4l2 @ 0x4092320] Trying to set codec:rawvideo pix_fmt:yuv420p
    Last message repeated 1 times
[video4linux2,v4l2 @ 0x4092320] Trying to set codec:rawvideo pix_fmt:yuv422p
[video4linux2,v4l2 @ 0x4092320] Trying to set codec:rawvideo pix_fmt:yuyv422
[video4linux2,v4l2 @ 0x4092320] The V4L2 driver is using the interlaced mode
[video4linux2,v4l2 @ 0x4092320] Setting standard: ntsc
[video4linux2,v4l2 @ 0x4092320] Current standard: NTSC, id: b000, frameperiod: 1001/30000