| 37 | } |
| 38 | |
| 39 | static void print_option(const AVClass *class, const AVOption *o) |
| 40 | { |
| 41 | printf("@item -%s @var{", o->name); |
| 42 | switch (o->type) { |
| 43 | case AV_OPT_TYPE_BINARY: printf("hexadecimal string"); break; |
| 44 | case AV_OPT_TYPE_STRING: printf("string"); break; |
| 45 | case AV_OPT_TYPE_INT: |
| 46 | case AV_OPT_TYPE_INT64: printf("integer"); break; |
| 47 | case AV_OPT_TYPE_FLOAT: |
| 48 | case AV_OPT_TYPE_DOUBLE: printf("float"); break; |
| 49 | case AV_OPT_TYPE_RATIONAL: printf("rational number"); break; |
| 50 | case AV_OPT_TYPE_FLAGS: printf("flags"); break; |
| 51 | default: printf("value"); break; |
| 52 | } |
| 53 | printf("} (@emph{"); |
| 54 | |
| 55 | if (o->flags & AV_OPT_FLAG_ENCODING_PARAM) { |
| 56 | printf("input"); |
| 57 | if (o->flags & AV_OPT_FLAG_ENCODING_PARAM) |
| 58 | printf("/"); |
| 59 | } |
| 60 | if (o->flags & AV_OPT_FLAG_ENCODING_PARAM) |
| 61 | printf("output"); |
| 62 | |
| 63 | printf("})\n"); |
| 64 | if (o->help) |
| 65 | printf("%s\n", o->help); |
| 66 | |
| 67 | if (o->unit) { |
| 68 | const AVOption *u = NULL; |
| 69 | printf("\nPossible values:\n@table @samp\n"); |
| 70 | |
| 71 | while ((u = av_opt_next(&class, u))) |
| 72 | if (u->type == AV_OPT_TYPE_CONST && u->unit && !strcmp(u->unit, o->unit)) |
| 73 | printf("@item %s\n%s\n", u->name, u->help ? u->help : ""); |
| 74 | printf("@end table\n"); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | static void show_opts(const AVClass *class) |
| 79 | { |
no test coverage detected