Function swr_alloc

libswresample/options.c:148–156

}

av_cold struct SwrContext *swr_alloc(void){
    SwrContext *s= av_mallocz(sizeof(SwrContext));
    if(s){
        s->av_class= &av_class;
        av_opt_set_defaults(s);
        s->firstpts = AV_NOPTS_VALUE;
    }
    return s;
}