-encoders show available encoders -bsfs show available bit stream filters -protocols show available protocols -filters show available filters -pix_fmts show available pixel formats -layouts show standard channel layouts -sample_fmts show available audio sample formats -colors sh...
-pass n select the pass number (1 to 3) -vf filter_graph set video filters -ab bitrate audio bitrate (please use -b:a) -b bitrate video bitrate (please use -b:v) -dn disable data Audio options: //音频操作参数部分 -aframes number set the number of audio frames to output -aq qua...
-encoders show available encoders # 编码器 比如aac, libx264 -bsfs show available bit stream filters # 字节流过滤 比如aac_adtstoasc -protocols show available protocols # 协议 比如rtmp,hls -filters show available filters # 过滤器, 比如vflip -pix_fmts show available pixel formats # 像素格式,...
show available color names -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 -v loglevel set ...
-decoders show available decoders -encoders show available encoders -bsfs show available bit stream filters -protocols show available protocols -filters show available filters -pix_fmts show available pixel formats -layouts show standard channel layouts ...
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...
-demuxersshowavailabledemuxers单独查看可以拆解的视频,音频,字幕编码格式 -devicesshowavailabledevices单独查看复用和解复用,可用驱动 -codecsshowavailablecodecs查看编码器和解码器 -decodersshowavailabledecoders -encodersshowavailableencoders -bsfsshowavailablebitstreamfilters ...
//decoding and output options if (strcmp("dec", optstr) == 0) opts->nodec = 1; break; case 'p': opts->bplay = 1; break; case 't': opts->thread_count = atoi(optstr); break; default: return -1; } } return 0; } void show_help(char* program) { printf("Simple FFMPEG ...
show available color names -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 -v loglevel set ...
-hwaccels show available HW acceleration methods 显示可用的硬件加速方法 Global options (affect whole program instead of just one file: 全局设置 -loglevel loglevel set logging level 设置日志级别 -v loglevel set logging level 设置日志级别