* are terminated by a non-option argument (e.g. ffmpeg output files) */ const char *sep; /** * Option flags that must be set on each option that is * applied to this group */ int flags; } OptionGroupDef; typedef struct OptionGroup { //存储的是 上面那个全局变量 groups 中的某一...
const OptionDef *options, const OptionGroupDef *groups, int nb_groups) { int optindex = 1; int dashdash = -2; /* perform system-dependent conversions for arguments list */ //对参数列表执行系统依赖的转换 //对于linux,该函数没有做任何处理 prepare_app_arguments(&argc, &argv); //填充了oc...
*/intsplit_commandline(OptionParseContext*octx,intargc,char*argv[],constOptionDef*options,constOptionGroupDef*groups,intnb_groups){intoptindex=1;intdashdash=-2;/* perform system-dependent conversions for arguments list */prepare_app_arguments(&argc,&argv);/* 基本的内存分配,OptionGroupDef 与 O...
1.首先将文件考到linux服务器上并解压,这里安装的版本是ffmpeg-3.3.3 [root@iZbp16etend51sn64ysypiZ local]# ls aegis bin cloudmonitor curl etc ffmpeg ffmpeg-3.3.3 ffmpeg-3.3.3.zip 2.加载动态库 cd /etc/ld.so.conf.d/ touch ffmpeg.conf vim ffmpeg.conf 输入/usr/local/ffmpeg/lib 3.加入环...
3.100 Missing argument for option 'v'. Error splitting the argument list: Invalid argument Author 71walceli commented Aug 9, 2020 • edited Do you mind explaining how I should use a ffmpeg static build with destreamer?Owner snobu commented Aug 9, 2020 • edited Here you go, https:/...
2. For the “async_depth” problem. FFmpeg 4.4 may not contain this feature. FFmpeg master contains this feature, but you need to manually compile source code. You can run the following command to check the supported feature: “ffmpeg --help filter=...
fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt); exit(1); } } if (po->flags & OPT_STRING) { char *str; str = av_strdup(arg); *po->u.str_arg = str; } else if (po->flags & OPT_BOOL) { *po->u.int_arg = bool_val; ...
Note ‘-nooption’ syntax cannot be used for boolean AVOptions, use ‘-option 0’/‘-option 1’. Note2 old undocumented way of specifying per-stream AVOptions by prepending v/a/s to the options name is now obsolete and will be removed soon. ...
(forlossycompression):oooooomedium–x264CLIooooooNote:Profileconstraintpresetsneedtobespecifiedwithasecond-vpreoptionafterthequality/firstpasspreset,e.g.-vpreslower-vpremainx264 Forallratecontrolmethodsyouwillprobablywantlibx264toselectthenumberofthreadstouseto iseitsperformanceonyourCPU(s):Soifyouwanted...
Failed to set value '/dev/dri/card0' for option 'qsv_device': Input/output error Error parsing global options: Input/output error ffmpeg -encoders | grep qsv V... av1_qsv AV1 (Intel Quick Sync Video acceleration) (codec av1) V... h264_qsv H.264 / AVC / MPEG-4 AVC / MPEG-...