ffmpeg -f concat -safe 0 -r 1/4 -i file -f mp4 output.mp4 file file ‘a0.jpg’ file ‘a1.jpg’ file ‘a2.jpg’ file ‘a3.jpg’ file ‘a4.jpg’ file ‘a5.jpg’ file ‘a6.jpg’ ffmpeg -f concat -i file -c copy ff_merge_audio.mp3 file file ‘ff_capture.mp3’ file ‘ff_capture.mp3’
ffmpeg-drawtext
#ffplay -i 35-0-0.jpg -vf “crop=240:190:1072:0” #ffplay -i a0.jpg \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ #ffmpeg -i a0.jpg -vframes:v 1 \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ # -f image2 38-0.jpg && #ffmpeg -i a1.jpg -vframes:v 1 \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ # -f image2 38-1.jpg && #ffmpeg -i a2.jpg -vframes:v 1 \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ # -f… Continue reading ffmpeg-drawtext
chinese brand rising
Chinese-brands-rising Chinese brands rising When you buy something, do you care about its brand? May 10 is China Brand Day. It started in 2017. Activities are held on this day every year to promote Chinese brands. This year, an expo is taking place from May 10 to 12 in Shanghai. There, experts are discussing the… Continue reading chinese brand rising
Bend over’ to serve others
Bend-over＇-to-serve-others Bend over’ to serve others Zhengkaofu was Confucius’ ancestor(祖先), as well as a minister(大臣) during the Spring and Autumn Period(770-476 BC). He worked for three rulers(统 治者) in the state of Song. However, even with such a high position, he was modest(谦虚的). To teach his children to be modest, he made a ding(鼎) with these… Continue reading Bend over’ to serve others
VR Classes Grab Kids
VR-Classes-Grab-Kids VR classes grab kids It happened in a New York classroom. Sixteen-year-old Taylor Engler came face to face with a cow. But it was all in her head. She was trying out a virtual reality(VR,虚拟现实) headset(头戴式眼罩). It took Berkeley carroll School junior students to a farm. The farm was 400 kilometers away. Students across… Continue reading VR Classes Grab Kids