https://stackoverflow.com/questions/10918907/how-to-add-transparent-watermark-in-center-of-a-video-with-ffmpeg 2,转码的命令有两种方式。 1) Top left corner ffmpeg –i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] overlay=10:10 [out]" outputvideo.flv Top right ...
importffmpegdefadd_watermark(input_file,output_file,watermark_file):input_video=ffmpeg.input(input_file)watermark=ffmpeg.input(watermark_file)output=ffmpeg.output(input_video,watermark,'overlay=10:10',output_file)ffmpeg.run(output)# 调用示例add_watermark('input.mp4','output.mp4','watermark.png')...
importjava.io.IOException;publicclassWatermarkAdder{publicstaticvoidaddWatermark(StringvideoPath,StringwatermarkPath,StringoutputPath){ProcessBuilderprocessBuilder=newProcessBuilder("ffmpeg","-i",videoPath,"-i",watermarkPath,"-filter_complex","overlay=10:10:enable='between(t,0,20)'",// 水印位置"-codec...
这里,-i input.mp4 指定输入视频文件,-i watermark.png 指定水印图片,-filter_complex "overlay=10:10" 指定水印的位置(距离视频左上角的偏移量为(10,10)),output.mp4 是输出视频文件。 3. 将FFmpeg命令行脚本扩展为支持批量处理,遍历视频文件列表 为了批量处理视频文件,可以使用Shell脚本来遍历video_list.txt中...
加水印的原理是ffmpeg把视频解复用，然后解码得到原始像素YUV，之后在对应位置加入水印图片，之后编码，复用...
完整命令行如下,ffmpeg -y -i input.flv -vf “movie=watermark.png [wm];[in][wm] overlay=5:5 [out]” -strict experimental output.flv,其中的watermark要放在ffmpeg同目录下。 完整命令行如下,ffmpeg -y -i input.flv -acodec copy -b 300k -vfilters “movie=0:png:watermark.png [wm];[in][...
ffmpeg.overlay_video(overlay_path, base_path, output_path, options):将视频文件叠加到另一个视频文件上 ffmpeg.overlay_audio(overlay_path, base_path, output_path, options):将音频文件叠加到另一个音频文件上 ffmpeg.add_watermark(input_path, output_path, watermark_path, options):给视频文件添加水印 ...
水印图片位置overlay值 左上角10:10 右上角main_w-overlay_w-10:10 左下角10:main_h-overlay_h-10 右下角main_w-overlay_w-10 : main_h-overlay_h-10 2.Android 核心代码 2.1.jni Java声明 //添加水印publicnativevoidaddWatermark(intargc,String[]argv); ...
I'm trying to add watermark for video but as any video editor I also want options of all opacity size and position I found for both opacity and position the below command does it but I missing with scaling the image ffmpeg -i test.mp4 -i test1.png -filter_complex ...
"addWaterMarkImg_" + self.video_src cmd_img = "ffmpeg -i {img} -vf scale={w}:{h} {water_mark} -y" \ .format(img=img, w=w, h=h, water_mark=water_mark) print(cmd_img) os.system(cmd_img) # main_w-overlay_w-10:main_h-overlay_h-10 cmd ...