文章分类 -  ffmpeg

generate mp4 video based on images
摘要:https://stackoverflow.com/questions/24961127/how-to-create-a-video-from-images-with-ffmpegffmpeg -framerate 30 -pattern_type glob -i '*.png' -c:v libx 阅读全文

posted @ 2021-01-20 11:19 cdekelon 阅读(120) 评论(0) 推荐(0) 编辑

ffmpeg change h264 to mp4
摘要:ffmpeg -framerate 30 -i input.264 -c copy output.mp4 阅读全文

posted @ 2021-01-07 09:30 cdekelon 阅读(117) 评论(0) 推荐(0) 编辑

change mp4's fps and scale
摘要:change fps from 30fps to 25fps$ ffmpeg -r 25 -i subject_001.mp4 25fps_subject_001.mp4 for scale the resolution, $ ffmpeg -i subject_001.mp4 -vf scale= 阅读全文

posted @ 2021-01-06 19:21 cdekelon 阅读(86) 评论(0) 推荐(0) 编辑

mov file --> jpg
摘要:$ ffmpeg -i video0/video.mov images0/%d.jpgffmpeg version 2.8.17-0ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 5.4.0 (Ubuntu 阅读全文

posted @ 2020-09-11 15:18 cdekelon 阅读(73) 评论(0) 推荐(0) 编辑

generate 20fps h264 based on 100 images
摘要:1. Generate test sources: image and its h264 file. - copy 1 images for 100 times. - generate 20fps yuv420p h264 file ( ffmpeg -framerate 20 -i "%d.png 阅读全文

posted @ 2020-07-27 13:56 cdekelon 阅读(67) 评论(0) 推荐(0) 编辑

pngs, h264, ffmpeg , convert, more details
摘要:https://duduf.com/easily-transcode-any-media-to-any-format-using-ffmpeg/ In the animation industry, we often use image sequences… To encode an image s 阅读全文

posted @ 2020-02-14 22:58 cdekelon 阅读(122) 评论(0) 推荐(0) 编辑

How to generate one 200fps 1080p video clip with ffmpeg tool
摘要:How to generate one 200fps 1080p video clip with ffmpeg tool. # generate raw video $ ./ffmpeg -i sample_1080p_10fps.h264 -f rawvideo -pix_fmt yuv420p 阅读全文

posted @ 2019-07-18 09:50 cdekelon 阅读(204) 评论(0) 推荐(0) 编辑

Generate yuv video clip, h264 video clip
摘要:for folder in /sys/devices/system/cpu/cpu[0-9]; do echo 2035200 > "${folder}/${CPU_MIN_FREQ}" 2>/dev/null done # generate raw video $ ./ffmpeg -i samp 阅读全文

posted @ 2018-12-10 11:25 cdekelon 阅读(101) 评论(0) 推荐(0) 编辑

ffmpeg transfer 1080p to 720p h264 mp4
摘要:https://www.bugcodemaster.com/article/changing-resolution-video-using-ffmpeg ./ffmpeg -i sample_outdoor_car_1080p_10fps.h264 -vf scale=1280:720 sample 阅读全文

posted @ 2018-06-22 12:03 cdekelon 阅读(1281) 评论(0) 推荐(0) 编辑

ffmpeg transfer mp4 to h264
摘要:$ ./ffmpeg -y -i 2018-05-03_Santana_Row_Blurred_3.mp4 -r 10 -vcodec libx264 -an -f h264 -b 4096k -vf scale=1920x1080,setdar=16:9,setsar=1:1 2018-05-03 阅读全文

posted @ 2018-06-05 15:44 cdekelon 阅读(84) 评论(0) 推荐(0) 编辑

Use ffmpeg and ffprobe to calculate frames
摘要:1. Download the bin files directly. http://ftrack.rtd.ftrack.com/en/3.5.0/administering/managing_local_installation/configuring_ffmpeg.html $ curl -O 阅读全文

posted @ 2018-04-12 11:36 cdekelon 阅读(85) 评论(0) 推荐(0) 编辑

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