控制台->啟動SSH功能，登入終端機
執行命令:
1. 1080p-h264-AC3.mp4 or 1080p-h264-aac.mp4; 轉出檔名: 720p-h264-mp3.ts
/var/packages/VideoStation/target/bin/gst-launch-1.0 -f -s 0 filesrc location="/volume1/video/vsrc.h264.mp4" ! qtdemux name=demux ! queue ! stvideo ! sth264encode profile=4 level=11 bitrate=4500000 ! video/x-h264,width=1280,height=720 ! queue ! mpegtsmux name=mux ! progressreport update-freq=5 ! queue ! filesink location="/volume1/video/vdst.h264.ts" demux.audio_0 ! queue ! aacparse ! avdec_aac ! audioconvert ! audio/x-raw,channels=2 ! lamemp3enc target=bitrate cbr=true ! mpegaudioparse ! queue ! mux.
測試片長1小時37分11秒, 轉檔時間43分48秒 轉完!
基本上Video source使用H265-AAC 亦有效.
2. 1080p-x264-AC3.mkv 轉 720p-x264-MP3.mp4
/var/packages/VideoStation/target/bin/gst-launch-1.0 -f -s 0 filesrc location="/volume1/video/Jurassic-AC3-1080p-x264.mkv" ! matroskademux name=demux ! queue ! stvideo video-decoder-decimation=3 ! sth264encode profile=3 level=11 bitrate=1000000 ! video/x-h264,width=1280,height=720 ! h264parse ! mp4mux name=mux ! progressreport update-freq=5 ! filesink location="/volume1/video/Jurassic-720p-MP3.mp4" demux.audio_0 ! queue ! ac3parse ! avdec_ac3 ! audioconvert ! audio/x-raw,channels=2 ! lamemp3enc target=bitrate cbr=true ! mpegaudioparse ! queue ! mux.
