-h long -- print more options -h full -- print all options (including all format and codec specific options, very long) -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter See man ffmpeg for detailed description of the options. Print help / information ...
‘long’ 除基本选项外,还将打印高级选项 ‘full’ 打印一个完整的选项列表,包含 encoders, decoders, demuxers, muxers, filters 等的共享以及私有选项 ‘decoder=decoder_name’ 打印名称为 “decoder_name” 的解码器的详细信息 ‘encoder=encoder_name’ 打印名称为 “encoder_name” 的编码器的详细信息 ‘...
-h long -- print more options -h full -- print all options (including all format and codec specific options, very long) -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf See man ffmpeg for detailed description of the options. Print help / informat...
usage:ffmpeg[options][[infile options]-i infile]...{[outfile options]outfile}...Getting help:-h--print basic options-hlong--print more options-h full--print all options(including all format and codec specific options,verylong)-h type=name--print all optionsforthe named decoder/encoder/demu...
-er n 设置错误残留为n 1 FF_ER_CAREFULL 缺省 2 FF_ER_COMPLIANT 3 FF_ER_AGGRESSIVE 4 FF_ER_VERY_AGGRESSIVE -ec bit_mask 设置错误掩蔽为bit_mask,该值为如下值的位掩码 1 FF_EC_GUESS_MVS (default=enabled) 2 FF_EC_DEBLOCK (default=enabled) ...
-h full: 打印所有的选项参数，包括所有针对于format和codec的选项，信息特别的长。-h type=name: ...
目的:处理multipart/form-data中间件,用于上传文件。 主要特点:轻松处理文件上传,包括设置文件大小限制和唯一命名文件。 4. Next.js: 目的:提供具有服务器端渲染、静态站点生成和 API 路由的现代前端框架。 主要特点:高效路由、内置 CSS 支持和轻松的 API 集成。
For full manual control see the "-map" option. -vcodec codec (output) Set the video codec. This is an alias for "-codec:v". -pass[:stream_specifier] n (output,per-stream) Select the pass number (1 or 2). It is used to do two-pass video encoding. The statistics of the video ...
本文对 ffmpeg.c 源码进行学习及剖析。 一、FFmpeg 源码结构图 下面对上述图片进行介绍: 函数背景色 函数在图中以方框的形式表现出来。不同的背景色标志了该函数不同的作用: 粉红色背景函数:FFmpeg 的API函数。 白色背景的函数:FFmpeg 的内部函数。 黄色背景的函数:URLProtocol 结构体中的函数,包含了读写各种协议...
* Demuxers for which a full in-memory index is mandatory will ignore * this. * - muxing: unused * - demuxing: set by user */ unsigned int max_index_size; /** * Maximum amount of memory in bytes to use for buffering frames * obtained from realtime capture devices. */ unsigned ...