gst-launch用法

gst-launch -v playbin uri=file:///home/niehz/question.ts

gst-launch filesrc location=./question.ts ! mpegtsdemux ! ffdec_mpeg2video ! ffmpegcolorspace ! xvimagesink sync=true

gst-launch filesrc location=./question.ts ! ffdemux_mpegts ! ffdec_mpeg2video ! ffmpegcolorspace ! xvimagesink sync=true
gst-launch filesrc location=./question.ts ! ffdemux_mpegts !  ffdec_mp3 ! audioresample ! osssink
gst-launch filesrc location=./question.ts ! ffdemux_mpegts name=d d.video_00 ! queue ! ffdec_mpeg2video ! ffmpegcolorspace ! xvimagesink
gst-launch filesrc location=./question.ts ! ffdemux_mpegts name=d d.audio_00 !  ffdec_mp3 ! audioresample ! osssink

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