ffmpeg -coders > list.txt 如果要查询某一编码器或解码器的可用命令,则可用使以下命令: -h encoder=编码器名称 显示指定编码器讯息 -h decoder=解码器名称 显示指定解码器讯息 呼叫编解码器 如要呼叫编码器或解码,则可用使以下命令: -codec[:串流说明符] 编解码器 -c[:串流说明符] 编解码器 指定编码器来...
-sources device list sources of the input device -sinks device list sinks of the output device -hwaccels show available HW acceleration methods Global options (affect whole program instead of just one file): 全局选项 -loglevel loglevel set logging level -v loglevel set logging le...
对于固定速率的媒体,如固定帧率的视频或固定比特率的音频,可以将时间信息(帧率或比特率)置于文件首部(header),如AVI的hdrl List、MP4的moov box,还有一种相对复杂的方案是将时间信息嵌入媒体流的内部,如MPEG TS和Real video,这种方案可以处理变速率的媒体,亦可有效避免同步过程中的时间漂移。 FFMPEG会为每一个数据...
Options: [defaults in brackets after descriptions] 帮助选项 Help options: --help print this message --quiet Suppress showing informative output --list-decoders show all available decoders --list-encoders show all available encoders --list-hwaccels show all available hardware accelerators --list-d...
Help options: --help print this message [当前所看到的所有内容,就是用--help输出的帮助信息] --quiet Suppress showing informative output [禁止显示信息输出,这个从来没有用过] --list-decoders show all available decoders [显示所有可用的解码器](非常常用) ...
ffmpeg -f dshow -list_options true -i video="screen-capture-recorder" [dshow @ 032d1440] DirectShow video device options (from video devices) [dshow @ 032d1440] Pin "Capture" (alternative pin name "1") [dshow @ 032d1440] pixel_format=bgr0 min s=1x1 fps=0.02 max s=1280x720 fps...
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/protocolSee man ffmpeg for detailed description of the options.Print help / information / capabilities:-L show license-h topic show help...
-sources device list sources of the input device -sinks device list sinks of the output device -hwaccels show available HW acceleration methods Global options (affect whole program instead of just one file): -loglevel loglevel set logging level ...
Some basic instructions for using FFmpeg to convert videos. Designed for eager Chinese Xiaobai. - how-to-convert-videos-with-ffmpeg-zh/08-differente-encoders-special-options.md at master · FiveYellowMice/how-to-convert-videos-with-ffmpeg-zh
return; } static void log_callback(void* ptr, int level, const char* fmt, va_list vl) ...