//输入视频文件地址,输出gif的地址 std::string fileInput = std::string(argv[1]); std::string fileOutput = std::string(argv[2]); avformat_network_init(); convert_video_to_gif(fileOutput.c_str(), fileInput.c_str(), 30, 40); } 3.gif优化 由于原始视频的像素比较高,帧率也比较高,这样...
img_convert_ctx = sws_getContext(codec_context->width,codec_context->height, codec_context->pix_fmt, codec_context->width,codec_context->height, AV_PIX_FMT_BGR24, SWS_BICUBIC,NULL,NULL,NULL); if (img_convert_ctx == NULL){ fprintf(stderr,"cannot initialize the conversion context\n"); ...
http://siwei.me/blog/posts/ffmpeg-useful-commands http://note.rpsh.net/posts/2015/04/21/mac-osx-ffmpeg-mp4-gif-convert/ https://trac.ffmpeg.org/wiki/How%20to%20speed%20up%20/%20slow%20down%20a%20video©著作权归作者所有,转载或内容合作请联系作者 ...
-vf: filter graph. To scale the GIF image in the desired size.(In this example, size is 200:auto) 参考 FFmpeg; ↩︎ ffmpeg Documentation; ↩︎ Easy way to convert MKV to MP4 with ffmpeg (github.com)...
gif")# 对原动图进行压缩，并存入img_listforiinImageSequence.Iterator(img):i=i.convert('RGBA')#...
The snippet directs ffmpeg to create a GIF 3 seconds long starting at 2 seconds into the video. [4]Thus, simply combine the [2] and [3] can convert some specific time frames into optimized gif like thisffmpeg -t 3 -ss 00:00:02 -i https://video.twimg.com/ext_tw_video/712057418646...
http://convert2mp3.net/ http://www.downfi.com/video/ https://www.soogif.com/video/ https://tool.gifhome.com/video/ https://weibo.com/5198011111/... https://ezgif.com/ ACONVERT.COM 压缩图片 Chrome 插件 MakeGIF Video Capture 字幕制作神器「Arctime」 ...
ABCSolution\VideoSolution\Demo1\bin\Debug\ffmpeg.exe";publicstaticstringimgFile =@"F:\SolutionSet\ABCSolution\VideoSolution\VideoSolution\Content\Video\my3.gif";publicstaticstringsourceFile =@"F:\SolutionSet\ABCSolution\VideoSolution\VideoSolution\Content\Video\COOLUI.mp4";publicvoidConvertVideoToGif(...
利用ffmpeg时,我们需要先利用convert生成gif文件,然后才能生成视频文件。而convert命令在对于大量图片操作时,就比较吃力了。我之前想用400多张2Mb大小的图制作gif,我的笔记本跑了一下午都没结束。通过观察convert命令的行为和资源占用,我发现convert命令需要将全部图片读入内存,才能进行转换,因此我在处理大量文件时并不推荐...
# convert to other formats # set -euo pipefail image_formats="jpg png bmp gif webp tiff jp2" input_dir="/home/vivi/kvmshare/图片" formats=$image_formats output_dir="${input_dir}_output" function do_convert(){ local input_file=$1 ...