FFmpeg 是一个集录制、转换、音/视频编码解码功能为一体的完整的开源解决方案。FFmpeg 的开发是基于 ...
You can edit the ffmetadata text file to include, change, or remove metadata by loading it into your media file.To load the file and include the metadata in the output file, use -map_metadata like this:The inputs -i in ffmpeg are counted zero-based. What that means is the...
-timestamp time set the recording timestamp ('now' to set the current time) -metadata string=string add metadata -program title=string:st=number... add program with specified streams -target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "...
Stream #0:0(und):Video:mpeg4(SimpleProfile)(mp4v/0x7634706D),yuv420p,1280x720[SAR1:1DAR16:9],1238kb/s,49.97fps,49.97tbr,26635tbn,26635tbc(default)Metadata:handler_name:VideoHandlerStream #0:1(und):Audio:aac(LC)(mp4a/0x6134706D),44100Hz,stereo,fltp,128kb/s(default)Metadata:handler_...
-sseof time_off set the start time offset relative to EOF -seek_timestamp enable/disable seeking by timestamp with -ss -timestamp time set the recording timestamp ('now' to set the current time) -metadata string=string add metadata ...
Metadata: title : ONVIF RTSP Server Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: h264 (High), yuvj420p(pc, bt709, progressive), 1920x1080, 30 fps, 30 tbr, 90k tbn, 60 tbc Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s Stream ...
-timestamp time set the recording timestamp ('now' to set the current time) -metadatastring=string add metadata -program title=string:st=number... add program with specified streams -target type specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "...
ffmpeg[全局指令,可选]{[对输入媒体文件的操作,可选]-i输入文件的路径}...{[对输出文件的操作,可选]输出文件的路径} 1. 2. 3. 实例1 转码 将input.avi转码成output.ts,并设置视频的码率为64 kbps(64 kbit/s) #实例1 ffmpeg-iinput.avi-b:v64k-bufsize64koutput.ts ...
ffmpeg -i target.m4v -b:v 400k -s 960x540 dst.mp4 将一个叫target.m4v的视频转换成mp4格式,设置输出视频的分辨率为960x540,码率为400k。 这就是最基本的用法了,这个软件是非常强大的,视频频也是可以转换,剪切、截图的,音频也一样,而且还可以分离音视频。
metadata:元数据,包含了文件的附加信息,如标题、作者、描述等。 avformat_find_stream_info 获取音视频文件的流信息 av_dump_format 打印AVFormatContext的信息 av_strerror 将错误码转换为可读的错误消息字符串 姓名:叶剑峰 园名:轩脉刃 英文名:nick ye