FFmpeg 最新版 Windows 版本 执行文件

简介：
这段简介可以描述为：“FFmpeg最新版Windows版本执行文件”提供了在Windows系统上运行最先进音频和视频处理功能的便捷方式，适合开发者与多媒体爱好者使用。 Hyper Fast Audio and Video Encoder Usage: ``` ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}... Getting help: - h -- print basic options - h long -- print more detailed options - h full -- print all available options (including format and codec specific ones, very extensive) Print Help / Information / Capabilities: -L show license -h topic show help -? topic show help -help topic show help --help topic show help -version show version -buildconf show build configuration -formats list supported formats -devices list available devices -codecs list available codecs -decoders list available decoders -encoders list available encoders -bsfs bit stream filters overview -protocols protocols support -filters filter options -pix_fmts pixel format details -layouts standard channel layouts -sample_fmts audio sample formats -colors color names -sources device sources listing -sinks device sinks listing Global Options (affect the entire program instead of individual files): -loglevel loglevel set logging level -v loglevel set logging level -report generate a report -max_alloc bytes set maximum single allocation size -y overwrite output files -n never overwrite output files -stats print progress during encoding -max_error_rate ratio for error tolerance (0.0: no errors, 1.0: full errors) -bits_per_raw_sample number bits per raw sample -vol volume adjust audio level (256=normal) Per-file Main Options: -f fmt force format -c codec specify codec name -codec codec specify codec name -pre preset use a predefined set of options -map_metadata outfile[,metadata]:infile[,metadata] transfer metadata between files -t duration limit recording or transcoding to duration seconds -to time_stop stop at specified time in output file -fs bytes set maximum size for the output file -ss offset start processing from specific point in input file -timestamp timestamp specify recording timestamp (now sets current time) -metadata string=string add metadata -target type define target format (vcd, svcd, dvd etc) -apad audio padding option -frames number set frame count for output -filter filter_graph apply video or audio filters using a graph description -filter_script filename read filter descriptions from file -reinit_filter reinitialize the filtergraph when input parameters change -discard discard stream data (useful for filtering) -disposition disposition modify program metadata Video Options: -vframes number set frame count -r rate specify frame rate in Hz or fraction form -s size define resolution as WxH or abbreviation -aspect aspect ratio of video, e.g. 4:3, 16:9 -bits_per_raw_sample number bits per raw sample -vn disable video stream output -vcodec codec force specific video codec (copy to copy the original) -timecode hh:mm:ss[:;.]ff set initial TimeCode value. -pass n select pass for multi-pass encoding (1-3) -vf filter_graph apply filters on video streams -ab bitrate audio bit rate (use -b:a instead) -b bitrate overall bit rate of output file (use -b:v instead) Audio Options: -aframes number set frame count -aq quality level codec-specific audio quality setting -ar rate sampling frequency in Hz -ac channels number of sound channels -an disable audio stream output -acodec codec force specific audio codec (copy to copy the original) -vol volume change audio volume (256=normal) -af filter_graph apply filters on audio streams Subtitle Options: -s size define subtitle frame resolution as WxH or abbreviation -sn disable subtitles -scodec codec force specific subtitle format (use copy to replicate input stream) -stag fourcc/tag specify tag/fourcc for subtitles -fix_sub_duration correct subtitle duration -canvas_size set canvas dimensions in WxH form -spre preset apply a predefined configuration of options