Comandos para conversão de vídeo e captura (placa de tv)
postado por nightnux - comentários
0
Neste artigo é listado como converter seus videos no linux para diferentes tipos de formatos, além da captura utilizando o mencoder.
conversão de arquivo para dvd-ntsc
mencoder arquivo.xxx -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=18:acodec=ac3:abitrate=192 -ofps 30000/1001 -o video_dvd_ntsc.mpg
conversão de arquivo para vcd-ntsc
mencoder arquivo.xxx -oac lavc -ovc lavc -of mpeg -mpegopts format=xvcd -vf scale=352:240 -lavcopts vcodec=mpeg1video:keyint=18:vrc_buf_size=327:vrc_minrate=1152:vbitrate=1152:vrc_maxrate=1152:acodec=mp2:abitrate=224 -ofps 30000/1001 -o video_vcd_ntsc.mpg
conversão de arquivo para svcd-ntsc
mencoder arquivo.xxx -oac lavc -ovc lavc -of mpeg -mpegopts format=xsvcd -vf scale=480:480 -lavcopts vcodec=mpeg2video:mbd=2:keyint=18:vrc_buf_size=917:vrc_minrate=600:vbitrate=2500:vrc_maxrate=2500:acodec=mp2:abitrate=224 -ofps 30000/1001 -o video_svcd_ntsc.mpg
conversão de arquivo para divx
mencoder arquivo.xxx -oac lavc -lavcopts abitrate=128 -ovc lavc -ofps 29.97 -lavcopts vcodec=msmpeg4:vbitrate=800 -o video.avi
conversão de vcd para divx
mencoder vcd:// -oac lavc -lavcopts abitrate=128 -ovc lavc -ofps 29.97 -lavcopts vcodec=msmpeg4:vbitrate=800 -o video.avi.avi
conversão de vcd para mpeg1 vcd ntsc
mencoder vcd:// -oac lavc -ovc lavc -of mpeg -mpegopts format=xvcd -vf scale=352:240 -lavcopts vcodec=mpeg1video:keyint=18:vrc_buf_size=327:vrc_minrate=1152:vbitrate=1152:vrc_maxrate=1152:acodec=mp2:abitrate=224 -ofps 30000/1001 -o video_vcd_ntsc.mpg
conversão de vcd para mpeg2 dvd ntsc
mencoder vcd:// -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=18:acodec=ac3:abitrate=192 -ofps 30000/1001 -o video_dvd_ntsc.mpg
captura em mpeg1 vcd ntsc
352x240
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=352:height=240:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=320:230,scale=352:240 -oac lavc -ovc lavc -of mpeg -mpegopts format=xvcd -lavcopts vcodec=mpeg1video:keyint=18:vrc_buf_size=327:vrc_minrate=1152:vbitrate=1152:vrc_maxrate=1152:acodec=mp2:abitrate=224 -ofps 30000/1001 -o video.mpg
captura em mpeg2 svcd
480x480
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=480:height=480:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=450:465,scale=480:480 -oac lavc -ovc lavc -of mpeg -mpegopts format=xsvcd -lavcopts vcodec=mpeg2video:mbd=2:keyint=18:vrc_buf_size=917:vrc_minrate=600:vbitrate=2500:vrc_maxrate=2500:acodec=mp2:abitrate=224 -ofps 30000/1001 -o video.mpg
captura em mpeg2 dvd ntsc
720x480
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=720:height=480:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=585:465,scale=720:480 -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -srate 48000 -af lavcresample=48000 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=18:acodec=ac3:abitrate=192 -ofps 30000/1001 -o video.mpg
640x480
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=640:height=480:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=585:465,scale=640:480 -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -srate 48000 -af lavcresample=48000 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=18:acodec=ac3:abitrate=192 -ofps 30000/1001 -o video.mpg
captura em avi divx
320x240
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=320:height=240:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=295:230,scale=320:240 -oac lavc -lavcopts abitrate=128 -ovc lavc -ofps 29.97 -lavcopts vcodec=msmpeg4:vbitrate=800 -o video.avi
352x240
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=352:height=240:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=320:230,scale=352:240 -oac lavc -lavcopts abitrate=128 -ovc lavc -ofps 29.97 -lavcopts vcodec=msmpeg4:vbitrate=800 -o video.avi
640x480
mencoder tv:// -tv driver=v4l2:input=1:normid=4:channel=3:chanlist=us-bcast:width=640:height=480:contrast=-25:saturation=-25:brightness=-0:device=/dev/video0:adevice=/dev/dsp0 -vf crop=585:465,scale=640:480 -oac lavc -lavcopts abitrate=128 -ovc lavc -ofps 29.97 -lavcopts vcodec=msmpeg4:vbitrate=3000 -o video.avi
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