ffmpeg 视频裁剪 10秒内失败解决

ffmpeg升级到最新版

wget https://cms-l33.oss-cn-shanghai.aliyuncs.com/2021-12-21/1581b91d-ccb9-482e-8d76-bf5d925d79ea_trailer.mp4

ffmpeg -i 1581b91d-ccb9-482e-8d76-bf5d925d79ea_trailer.mp4 -vcodec libx264 -keyint_min 50 -g 50 -sc_threshold 0 -acodec copy out.mp4
ffmpeg -i out.mp4 -ss 00:00:00 -to 00:00:01 -vcodec copy -acodec copy -strict experimental out-1.mp4
ffmpeg -i out.mp4 -ss 00:00:30 -to 00:00:52 -vcodec copy -acodec copy -strict experimental out-2.mp4
echo -e "file 'out-1.mp4' \nfile 'out-2.mp4'" >> list.txt
ffmpeg -safe 0 -f concat -i list.txt -c copy -strict -2 concat.mp4
ffmpeg -safe 0 -f concat -i list.txt -vcodec copy -acodec copy -strict -2 concat2.mp4
ffmpeg -fflags +igndts -safe 0 -f concat -i list.txt -vcodec copy -acodec copy -strict -2 concat3.mp4

ffmpeg -i out.mp4 -ss 00:00:00 -to 00:00:01 -vcodec copy -acodec copy out-1.mp4
ffmpeg -i out.mp4 -ss 00:00:30 -to 00:00:52 -vcodec copy -acodec copy out-2.mp4
echo -e "file 'out-1.mp4' \nfile 'out-2.mp4'" >> list.txt
ffmpeg -safe 0 -f concat -i list.txt -c copy concat.mp4

ffmpeg -ss 00:00:00 -to 00:00:01 -accurate_seek -i out.mp4 -vcodec copy -acodec copy -avoid_negative_ts 1 -y out-1.mp4
ffmpeg -ss 00:00:30 -to 00:00:52 -accurate_seek -i out.mp4 -vcodec copy -acodec copy -avoid_negative_ts 1 -y out-2.mp4
echo -e "file 'out-1.mp4' \nfile 'out-2.mp4'" >> list.txt
ffmpeg -safe 0 -f concat -i list.txt -vcodec copy -acodec copy -strict -2 -y concat.mp4

ffmpeg -ss 00:00:00 -to 00:00:01 -accurate_seek -i out.mp4 -vcodec copy -acodec copy -y out-1.mp4
ffmpeg -ss 00:00:30 -to 00:00:52 -accurate_seek -i out.mp4 -vcodec copy -acodec copy -y out-2.mp4
echo -e "file 'out-1.mp4' \nfile 'out-2.mp4'" >> list.txt
ffmpeg -safe 0 -f concat -i list.txt -vcodec copy -acodec copy -strict -2 -y concat.mp4