视频截图

...占位

# 制作视频指定r80,否则截屏不会成功
ffmpeg -loop 1 -i img/1.png -c:v libx264 -t 30 -r 80 out.mp4

 1 #!/bin/bash 
 2 LOC_PIC=/tmp/huzh.png
 3 CWD=$(cd "$(dirname $0)";pwd)
 4 cd $CWD
 5 source ./output.sh
 6 
 7 rm -rf $LOC_PIC 
 8 
 9 ffplay -vf subtitles=out.srt   out.mp4 >/dev/null 2>&1 &
10 pid_ffplay=$(pidof ffplay)
11 sleep 2
12 winid=$(xdotool search --pid $pid_ffplay)
13 import  -window $winid  $LOC_PIC
14 sleep 1
15 pkill ffplay
16 
17 tesseract $LOC_PIC a -l chi_sim  >/dev/null 2>&1
18 Res=$(sed -n '1p' a.txt)
19 echores -f "视频功能" -n "本地字幕加载支持功能"
20 if [ $Res == "前进" ]
21 then
22     echores -r "正常" -o
23 else
24     echores -r "失败" -o
25 fi
26 
27 rm -rf $LOC_PIC a.txt

out.srt

0
00:00:00,770 --> 00:00:100,880
<font size="100p" color="black"><b>前进</b></font>

图片

制作视频

做mpeg1,制作过程可以看到mpeg1打印

ffmpeg -i out.avs -codec:v mpeg2video -qscale:v 1 -codec:a mp1 -b:a 192k outputmpeg1.mpg