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- ffmpeg -f video4linux2 -i /dev/video2 -vcodec libx264 -b 3000k -r 15 -crf 16 -pix_fmt yuv420p http://localhost:8090/cam3.ffm
- ffmpeg version git-2012-08-13-ed8d827 Copyright (c) 2000-2012 the FFmpeg developers
- built on Aug 12 2012 23:13:28 with gcc 4.4.5 (Debian 4.4.5-8)
- configuration: --enable-gpl --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-version3
- libavutil 51. 69.100 / 51. 69.100
- libavcodec 54. 52.100 / 54. 52.100
- libavformat 54. 23.100 / 54. 23.100
- libavdevice 54. 2.100 / 54. 2.100
- libavfilter 3. 8.100 / 3. 8.100
- libswscale 2. 1.101 / 2. 1.101
- libswresample 0. 15.100 / 0. 15.100
- libpostproc 52. 0.100 / 52. 0.100
- [video4linux2,v4l2 @ 0x9735580] Estimating duration from bitrate, this may be inaccurate
- Input #0, video4linux2,v4l2, from '/dev/video2':
- Duration: N/A, start: 1345070683.916738, bitrate: 62145 kb/s
- Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 480x360, 62145 kb/s, 29.97 tbr, 1000k tbn, 29.97 tbc
- Please use -b:a or -b:v, -b is ambiguous
- [libx264 @ 0x9734f40] broken ffmpeg default settings detected
- [libx264 @ 0x9734f40] use an encoding preset (e.g. -vpre medium)
- [libx264 @ 0x9734f40] preset usage: -vpre <speed> -vpre <profile>
- [libx264 @ 0x9734f40] speed presets are listed in x264 --help
- [libx264 @ 0x9734f40] profile is optional; x264 defaults to high
- Output #0, ffm, to 'http://localhost:8090/cam3.ffm':
- Stream #0:0: Video: h264, yuv420p, 320x240, q=2-31, 3000 kb/s, 1000k tbn, 29.97 tbc
- Stream mapping:
- Stream #0:0 -> #0:0 (rawvideo -> libx264)
- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
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