292 static void format_line(void *avcl, int level, const char *fmt, va_list vl,  in format_line()  argument
295     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;  in format_line()
304             AVClass** parent = *(AVClass ***) (((uint8_t *) avcl) +  in format_line()
313                  avc->item_name(avcl), avcl);  in format_line()
314         if(type) type[1] = get_category(avcl);  in format_line()
407 void av_log(void* avcl, int level, const char *fmt, ...)  in av_log()  argument
411     av_vlog(avcl, level, fmt, vl);  in av_log()
415 void av_log_once(void* avcl, int initial_level, int subsequent_level, int *state, const char *fmt, …  in av_log_once()  argument
419     av_vlog(avcl, *state ? subsequent_level : initial_level, fmt, vl);  in av_log_once()
424 void av_vlog(void* avcl, int level, const char *fmt, va_list vl)  in av_vlog()  argument
426     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;  in av_vlog()
430         level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);  in av_vlog()
432         log_callback(avcl, level, fmt, vl);  in av_vlog()